release v0.23.15

This reverts commit 94b5b9f370.  It was
not necessary for branch v0.23.x because there, Break() is
thread-safe; this was only changed later by commit
a3b32819b1

.github/FUNDING.yml

@@ -1,12 +0,0 @@
-# These are supported funding model platforms
-
-github: # Replace with up to 4 GitHub Sponsors-enabled usernames e.g., [user1, user2]
-patreon: # Replace with a single Patreon username
-open_collective: # Replace with a single Open Collective username
-ko_fi: # Replace with a single Ko-fi username
-tidelift: # Replace with a single Tidelift platform-name/package-name e.g., npm/babel
-community_bridge: # Replace with a single Community Bridge project-name e.g., cloud-foundry
-liberapay: MaxK
-issuehunt: # Replace with a single IssueHunt username
-otechie: # Replace with a single Otechie username
-custom: # Replace with up to 4 custom sponsorship URLs e.g., ['link1', 'link2']

.github/ISSUE_TEMPLATE/bug_report.md

@@ -18,5 +18,9 @@ about: Create a bug report
 <!-- Paste the output of "mpd --version" here -->
 
 
+## Configuration
+<!-- Paste your MPD configuration here -->
+
+
 ## Log
 <!-- Paste relevant portions of the log file here (--verbose) -->

.github/ISSUE_TEMPLATE/question.md

@@ -1,9 +0,0 @@
----
-name: Question
-about: Ask a question about MPD
----
-
-<!-- Before you ask a question on GitHub, please read MPD's
-documentation.  A copy is available at
-https://www.musicpd.org/doc/html/ -->
-## Question

.github/workflows/build.yml

@@ -41,7 +41,8 @@ jobs:
           key: linux
       - name: Install dependencies
         run: |
-          sudo apt install -y --no-install-recommends \
+          sudo apt-get update
+          sudo apt-get install -y --no-install-recommends \
             g++-10 libfmt-dev libboost-dev \
             libgtest-dev \
             libpcre2-dev \
@@ -73,19 +74,30 @@ jobs:
             libgcrypt20-dev
 
       - name: Full Build
+        uses: BSFishy/meson-build@v1.0.3
+        with:
+          action: build
+          directory: output/full
+          setup-options: -Ddocumentation=disabled -Dtest=true -Dsystemd=enabled -Dpcre=enabled
+          options: --verbose
+          meson-version: 0.56.0
+
+      - name: Unit Tests
         uses: BSFishy/meson-build@v1.0.3
         with:
           action: test
           directory: output/full
           setup-options: -Ddocumentation=disabled -Dtest=true -Dsystemd=enabled -Dpcre=enabled
+          options: --verbose
           meson-version: 0.56.0
 
       - name: Mini Build
         uses: BSFishy/meson-build@v1.0.3
         with:
-          action: test
+          action: build
           directory: output/mini
           setup-options: -Dbuildtype=minsize -Dauto_features=disabled -Dtest=true -Ddaemon=false -Dinotify=false -Depoll=false -Deventfd=false -Dsignalfd=false -Dtcp=false -Ddsd=false -Ddatabase=false -Dneighbor=false -Dcue=false -Dfifo=false -Dhttpd=false -Dpipe=false -Drecorder=false -Dsnapcast=false
+          options: --verbose
           meson-version: 0.56.0
 
   build-macos:
@@ -124,10 +136,20 @@ jobs:
             wavpack \
             libmpdclient
 
-      - name: Meson Build
+      - name: Build
+        uses: BSFishy/meson-build@v1.0.3
+        with:
+          action: build
+          directory: output
+          setup-options: -Ddocumentation=disabled -Dtest=true
+          options: --verbose
+          meson-version: 0.56.0
+
+      - name: Unit Tests
         uses: BSFishy/meson-build@v1.0.3
         with:
           action: test
           directory: output
           setup-options: -Ddocumentation=disabled -Dtest=true
+          options: --verbose
           meson-version: 0.56.0

NEWS

@@ -1,3 +1,121 @@
+ver 0.23.15 (2023/12/20)
+* decoder
+  - ffmpeg: fix build failure with FFmpeg 6.1
+* output
+  - alsa: limit buffer time to 2 seconds
+
+ver 0.23.14 (2023/10/08)
+* decoder
+  - flac: fix scanning files with non-ASCII names on Windows
+  - mad: fix calculation of LAME peak values
+* mixer
+  - wasapi: fix problem setting volume
+* more libfmt 10 fixes
+* fix auto-detected systemd unit directory
+* Android
+  - require Android 7 or newer
+
+ver 0.23.13 (2023/05/22)
+* input
+  - curl: fix busy loop after connection failed
+  - curl: hide "404" log messages for non-existent ".mpdignore" files
+* archive
+  - zzip: fix crash bug
+* database
+  - simple: reveal hidden songs after deleting containing CUE
+* decoder
+  - ffmpeg: reorder to a lower priority than "gme"
+  - gme: require GME 0.6 or later
+* output
+  - pipewire: fix corruption bug due to missing lock
+* Linux
+  - shut down if parent process dies in --no-daemon mode
+  - determine systemd unit directories via pkg-config
+* support libfmt 10
+
+ver 0.23.12 (2023/01/17)
+* input
+  - curl: require CURL 7.55.0 or later
+* decoder
+  - mad: fix integer underflow with very small files
+* tags
+  - fix crash bug due to race condition
+* output
+  - pipewire: adjust to PipeWire 0.3.64 API change
+* fix build failures with GCC 13
+
+ver 0.23.11 (2022/11/28)
+* database
+  - simple: move default database to ~/.cache/mpd/db from ~/.cache/mpd.db
+  - simple: default "cache_directory" to ~/.cache/mpd/mounts
+* macOS: fix build failure "no archive members specified"
+* Windows
+  - fix crash bug (stack buffer overflow) after I/O errors
+  - fix path traversal bug because backslash was allowed in playlist names
+* Android/Windows
+  - update OpenSSL to 3.0.7
+  - re-enable CURL's verbose error strings
+
+ver 0.23.10 (2022/10/14)
+* storage
+  - curl: fix file time stamps
+* decoder
+  - ffmpeg: fix libfmt 9 compiler warning
+* encoder
+  - flac: fix failure when libFLAC is built without Ogg support
+* output
+  - alsa: fix crash bug
+* Windows
+  - log to stdout by default, don't require "log_file" setting
+
+ver 0.23.9 (2022/08/18)
+* input
+  - cdio_paranoia: add options "mode" and "skip"
+* decoder
+  - ffmpeg: support FFmpeg 5.1
+* filter
+  - replay gain: fix delayed volume display with handler=mixer
+* output
+  - pipewire: set app icon
+* fix bogus volume levels with multiple partitions
+* improve iconv detection
+* macOS: fix macOS 10 build problem (0.23.8 regression)
+* Android
+  - load mpd.conf from app data directory
+
+ver 0.23.8 (2022/07/09)
+* storage
+  - curl: fix crash if web server does not understand WebDAV
+* input
+  - cdio_paranoia: fix crash if no drive was found
+  - cdio_paranoia: faster cancellation
+  - cdio_paranoia: don't scan for replay gain tags
+  - pipewire: fix playback of very short tracks
+  - pipewire: drop all buffers before manual song change
+  - pipewire: fix stuttering after manual song change
+  - snapcast: fix busy loop while paused
+  - snapcast: fix stuttering after resuming playback
+* mixer
+  - better error messages
+  - alsa: fix setting volume before playback starts
+  - pipewire: fix crash bug
+  - pipewire: fix volume change events with PipeWire 0.3.53
+  - pipewire: don't force initial volume=100%
+* support libfmt 9
+
+ver 0.23.7 (2022/05/09)
+* database
+  - upnp: support pupnp 1.14
+* decoder
+  - ffmpeg: fix HLS seeking
+  - opus: fix missing song length on high-latency files
+* output
+  - shout: require at least libshout 2.4.0
+* mixer
+  - pipewire: fix volume restore
+  - software: update volume of disabled outputs
+* support libiconv
+
 ver 0.23.6 (2022/03/14)
 * protocol
   - support filename "cover.webp" for "albumart" command

android/AndroidManifest.xml

@@ -2,10 +2,10 @@
 <manifest xmlns:android="http://schemas.android.com/apk/res/android"
           package="org.musicpd"
           android:installLocation="auto"
-          android:versionCode="65"
-          android:versionName="0.23.5">
+          android:versionCode="73"
+          android:versionName="0.23.15">
 
-  <uses-sdk android:minSdkVersion="21" android:targetSdkVersion="29"/>
+  <uses-sdk android:minSdkVersion="24" android:targetSdkVersion="30"/>
 
   <uses-feature android:name="android.software.leanback"
                 android:required="false" />
@@ -19,6 +19,7 @@
   <uses-permission android:name="android.permission.FOREGROUND_SERVICE" />
 
   <application android:allowBackup="true"
+               android:debuggable="true"
                android:requestLegacyExternalStorage="true"
                android:icon="@drawable/icon"
                android:banner="@drawable/icon"

android/apk/meson.build

@@ -12,18 +12,30 @@ unsigned_apk = custom_target(
   ],
 )
 
+aligned_apk = custom_target(
+  'mpd-aligned.apk',
+  output: 'mpd-aligned.apk',
+  input: unsigned_apk,
+  command: [
+    android_zipalign,
+    '-f', '4',
+    '@INPUT@', '@OUTPUT@',
+  ],
+)
+
 if get_option('android_debug_keystore') != ''
   debug_apk = custom_target(
     'mpd-debug.apk',
     output: 'mpd-debug.apk',
-    input: unsigned_apk,
+    input: aligned_apk,
     command: [
-      jarsigner,
-      '-keystore', get_option('android_debug_keystore'),
-      '-storepass', 'android',
-      '-signedjar', '@OUTPUT@',
-      '@INPUT@',
-      'androiddebugkey',
+      apksigner, 'sign',
+      '--in', '@INPUT@',
+      '--out', '@OUTPUT@',
+      '--debuggable-apk-permitted',
+      '-ks', get_option('android_debug_keystore'),
+      '--ks-key-alias', 'androiddebugkey',
+      '--ks-pass', 'pass:android',
     ],
     build_by_default: true
   )
@@ -31,29 +43,16 @@ endif
 
 if get_option('android_keystore') != '' and get_option('android_keyalias') != '' and get_option('android_keypass') != ''
   unaligned_apk = custom_target(
-    'mpd-unaligned.apk',
-    output: 'mpd-unaligned.apk',
-    input: unsigned_apk,
-    command: [
-      jarsigner,
-      '-digestalg', 'SHA1', '-sigalg', 'MD5withRSA',
-      '-keystore', get_option('android_keystore'),
-      '-storepass', get_option('android_keypass'),
-      '-signedjar', '@OUTPUT@',
-      '@INPUT@',
-      get_option('android_keyalias'),
-    ],
-  )
-
-  apk = custom_target(
     'mpd.apk',
     output: 'mpd.apk',
-    input: unaligned_apk,
+    input: aligned_apk,
     command: [
-      android_zipalign,
-      '-f', '4',
-      '@INPUT@', '@OUTPUT@',
+      apksigner, 'sign',
+      '--in', '@INPUT@',
+      '--out', '@OUTPUT@',
+      '-ks', get_option('android_keystore'),
+      '--ks-key-alias', get_option('android_keyalias'),
+      '--ks-pass', 'pass:' + get_option('android_keypass'),
     ],
-    build_by_default: true
   )
 endif

android/build.py

@@ -1,4 +1,4 @@
-#!/usr/bin/env python3
+#!/usr/bin/env -S python3 -u
 
 import os, os.path
 import sys, subprocess
@@ -20,130 +20,13 @@ if not os.path.isdir(ndk_path):
     print("NDK not found in", ndk_path, file=sys.stderr)
     sys.exit(1)
 
-android_abis = {
-    'armeabi-v7a': {
-        'arch': 'arm-linux-androideabi',
-        'ndk_arch': 'arm',
-        'llvm_triple': 'armv7-linux-androideabi',
-        'cflags': '-fpic -mfpu=neon -mfloat-abi=softfp',
-    },
-
-    'arm64-v8a': {
-        'arch': 'aarch64-linux-android',
-        'ndk_arch': 'arm64',
-        'llvm_triple': 'aarch64-linux-android',
-        'cflags': '-fpic',
-    },
-
-    'x86': {
-        'arch': 'i686-linux-android',
-        'ndk_arch': 'x86',
-        'llvm_triple': 'i686-linux-android',
-        'cflags': '-fPIC -march=i686 -mtune=intel -mssse3 -mfpmath=sse -m32',
-    },
-
-    'x86_64': {
-        'arch': 'x86_64-linux-android',
-        'ndk_arch': 'x86_64',
-        'llvm_triple': 'x86_64-linux-android',
-        'cflags': '-fPIC -m64',
-    },
-}
-
-# select the NDK target
-abi_info = android_abis[android_abi]
-arch = abi_info['arch']
-
 # the path to the MPD sources
 mpd_path = os.path.abspath(os.path.join(os.path.dirname(sys.argv[0]) or '.', '..'))
 sys.path[0] = os.path.join(mpd_path, 'python')
 
 # output directories
 from build.dirs import lib_path, tarball_path, src_path
-from build.meson import configure as run_meson
-
-arch_path = os.path.join(lib_path, arch)
-build_path = os.path.join(arch_path, 'build')
-
-# build host configuration
-build_arch = 'linux-x86_64'
-
-# set up the NDK toolchain
-
-class AndroidNdkToolchain:
-    def __init__(self, tarball_path, src_path, build_path,
-                 use_cxx):
-        self.tarball_path = tarball_path
-        self.src_path = src_path
-        self.build_path = build_path
-
-        ndk_arch = abi_info['ndk_arch']
-        android_api_level = '21'
-
-        install_prefix = os.path.join(arch_path, 'root')
-
-        self.arch = arch
-        self.actual_arch = arch
-        self.install_prefix = install_prefix
-
-        llvm_path = os.path.join(ndk_path, 'toolchains', 'llvm', 'prebuilt', build_arch)
-        llvm_triple = abi_info['llvm_triple'] + android_api_level
-
-        common_flags = '-Os -g'
-        common_flags += ' ' + abi_info['cflags']
-
-        llvm_bin = os.path.join(llvm_path, 'bin')
-        self.cc = os.path.join(llvm_bin, 'clang')
-        self.cxx = os.path.join(llvm_bin, 'clang++')
-        common_flags += ' -target ' + llvm_triple
-
-        common_flags += ' -fvisibility=hidden -fdata-sections -ffunction-sections'
-
-        self.ar = os.path.join(llvm_bin, 'llvm-ar')
-        self.ranlib = os.path.join(llvm_bin, 'llvm-ranlib')
-        self.nm = os.path.join(llvm_bin, 'llvm-nm')
-        self.strip = os.path.join(llvm_bin, 'llvm-strip')
-
-        self.cflags = common_flags
-        self.cxxflags = common_flags
-        self.cppflags = ' -isystem ' + os.path.join(install_prefix, 'include')
-        self.ldflags = ' -L' + os.path.join(install_prefix, 'lib') + \
-            ' -Wl,--exclude-libs=ALL' + \
-            ' ' + common_flags
-        self.ldflags = common_flags
-        self.libs = ''
-
-        self.is_arm = ndk_arch == 'arm'
-        self.is_armv7 = self.is_arm and 'armv7' in self.cflags
-        self.is_aarch64 = ndk_arch == 'arm64'
-        self.is_windows = False
-
-        libstdcxx_flags = ''
-        libstdcxx_cxxflags = ''
-        libstdcxx_ldflags = ''
-        libstdcxx_libs = '-static-libstdc++'
-
-        if self.is_armv7:
-            # On 32 bit ARM, clang generates no ".eh_frame" section;
-            # instead, the LLVM unwinder library is used for unwinding
-            # the stack after a C++ exception was thrown
-            libstdcxx_libs += ' -lunwind'
-
-        if use_cxx:
-            self.cxxflags += ' ' + libstdcxx_cxxflags
-            self.ldflags += ' ' + libstdcxx_ldflags
-            self.libs += ' ' + libstdcxx_libs
-
-        self.env = dict(os.environ)
-
-        # redirect pkg-config to use our root directory instead of the
-        # default one on the build host
-        import shutil
-        bin_dir = os.path.join(install_prefix, 'bin')
-        os.makedirs(bin_dir, exist_ok=True)
-        self.pkg_config = shutil.copy(os.path.join(mpd_path, 'build', 'pkg-config.sh'),
-                                      os.path.join(bin_dir, 'pkg-config'))
-        self.env['PKG_CONFIG'] = self.pkg_config
+from build.toolchain import AndroidNdkToolchain
 
 # a list of third-party libraries to be used by MPD on Android
 from build.libs import *
@@ -165,13 +48,17 @@ thirdparty_libs = [
 
 # build the third-party libraries
 for x in thirdparty_libs:
-    toolchain = AndroidNdkToolchain(tarball_path, src_path, build_path,
+    toolchain = AndroidNdkToolchain(mpd_path, lib_path,
+                                    tarball_path, src_path,
+                                    ndk_path, android_abi,
                                     use_cxx=x.use_cxx)
     if not x.is_installed(toolchain):
         x.build(toolchain)
 
 # configure and build MPD
-toolchain = AndroidNdkToolchain(tarball_path, src_path, build_path,
+toolchain = AndroidNdkToolchain(mpd_path, lib_path,
+                                tarball_path, src_path,
+                                ndk_path, android_abi,
                                 use_cxx=True)
 
 configure_args += [

android/gdb.sh

@@ -0,0 +1,54 @@
+#!/bin/sh
+
+# This script need the following modification in ANDROID_NDK in order to attach
+# to the good :main pid
+#--- a/prebuilt/linux-x86_64/bin/ndk-gdb.py
+#+++ b/prebuilt/linux-x86_64/bin/ndk-gdb.py
+#@@ -669,7 +669,7 @@
+#             log("Sleeping for {} seconds.".format(args.delay))
+#             time.sleep(args.delay)
+#
+#-    pids = gdbrunner.get_pids(device, pkg_name)
+#+    pids = gdbrunner.get_pids(device, pkg_name + ":main")
+#     if len(pids) == 0:
+#         error("Failed to find running process '{}'".format(pkg_name))
+#     if len(pids) > 1:
+
+SCRIPT_PATH=$(dirname $0)
+BUILD_PATH="`pwd`"
+TMP_PATH="$BUILD_PATH/gdb"
+NDK_GDB_ARGS="--force"
+ANDROID_NDK=$1
+
+if [ ! -f $ANDROID_NDK/source.properties ];then
+    echo "usage: $0 ANDROID_NDK"
+    exit 1
+fi
+
+if [ ! -f $BUILD_PATH/libmpd.so ];then
+    echo "This script need to be executed from the android build directory"
+    exit 1
+fi
+
+rm -rf "$TMP_PATH"
+mkdir -p "$TMP_PATH"
+
+ANDROID_MANIFEST="$SCRIPT_PATH/AndroidManifest.xml"
+ABI=`ls "$BUILD_PATH/android/apk/apk/lib" --sort=time | head -n 1`
+
+if [ ! -f "$ANDROID_MANIFEST" -o "$ABI" = "" ]; then
+    echo "Invalid manifest/ABI, did you try building first ?"
+    exit 1
+fi
+
+mkdir -p "$TMP_PATH"/jni
+touch "$TMP_PATH"/jni/Android.mk
+echo "APP_ABI := $ABI" > "$TMP_PATH"/jni/Application.mk
+
+DEST=obj/local/$ABI
+mkdir -p "$TMP_PATH/$DEST"
+
+cp "$BUILD_PATH/libmpd.so" "$TMP_PATH/$DEST"
+cp "$ANDROID_MANIFEST" "$TMP_PATH"
+
+(cd "$TMP_PATH" && bash $ANDROID_NDK/ndk-gdb $NDK_GDB_ARGS)

android/meson.build

@@ -17,7 +17,7 @@ android_dx = join_paths(android_build_tools_dir, 'dx')
 android_zipalign = join_paths(android_build_tools_dir, 'zipalign')
 
 javac = find_program('javac')
-jarsigner = find_program('jarsigner')
+apksigner = find_program('apksigner')
 rsvg_convert = find_program('rsvg-convert')
 convert = find_program('convert')
 zip = find_program('zip')

doc/conf.py

@@ -38,7 +38,10 @@ author = 'Max Kellermann'
 # built documents.
 #
 # The short X.Y version.
-version = '0.23.6'
+with open('../meson.build') as f:
+    import re
+    version = re.match(r"project\([^\)]*\bversion:\s*'([^']+)'",
+                       f.read(4096)).group(1)
 # The full version, including alpha/beta/rc tags.
 #release = version + '~git'
 
@@ -47,7 +50,7 @@ version = '0.23.6'
 #
 # This is also used if you do content translation via gettext catalogs.
 # Usually you set "language" from the command line for these cases.
-language = None
+language = "en"
 
 # There are two options for replacing |today|: either, you set today to some
 # non-false value, then it is used:

doc/developer.rst

@@ -20,6 +20,7 @@ Some example code:
 
 .. code-block:: c
 
+    int
     Foo(const char *abc, int xyz)
     {
         if (abc == nullptr) {

doc/index.rst

@@ -11,6 +11,12 @@ Music Player Daemon
    client
    protocol
 
+.. toctree::
+   :maxdepth: 1
+   :caption: man pages:
+
+   mpd.1
+   mpd.conf.5
 
 Indices and tables
 ==================

doc/mpdconf.example

@@ -181,7 +181,7 @@
 #
 #database {
 #       plugin "simple"
-#       path "~/.local/share/mpd/db
+#       path "~/.local/share/mpd/db"
 #       cache_directory "~/.local/share/mpd/cache"
 #}
 #
@@ -314,6 +314,7 @@ input {
 ##	device		"Digital Audio (S/PDIF) (High Definition Audio Device)" # optional
 #		or
 ##	device		"0"		# optional
+##	mixer_type	"hardware"	# optional
 ## Exclusive mode blocks all other audio source, and get best audio quality without resampling.
 ##	exclusive	"no"		# optional
 ## Enumerate all devices in log.

doc/plugins.rst

@@ -206,6 +206,11 @@ Plays audio CDs using libcdio. The URI has the form: "cdda://[DEVICE][/TRACK]".
      - If the CD drive does not specify a byte order, MPD assumes it is the CPU's native byte order. This setting allows overriding this.
    * - **speed N**
      - Request CDParanoia cap the extraction speed to Nx normal CD audio rotation speed, keeping the drive quiet.
+   * - **mode disable|overlap|full**
+     - Set the paranoia mode; ``disable`` means no fixups, ``overlap``
+       performs overlapped reads, and ``full`` enables all options.
+   * - **skip yes|no**
+     - If set to ``no``, then never skip failed reads.
 
 curl
 ----
@@ -214,8 +219,9 @@ Opens remote files or streams over HTTP using libcurl.
 
 Note that unless overridden by the below settings (e.g. by setting
 them to a blank value), general curl configuration from environment
-variables such as ``http_proxy`` or specified in :file:`~/.curlrc`
-will be in effect.
+variables such as ``http_proxy`` will be in effect.
+
+User name and password are read from an optional :file:`~/.netrc`, :file:`~/.curlrc` is not read.
 
 .. list-table::
    :widths: 20 80
@@ -1109,7 +1115,7 @@ Connect to a `PipeWire <https://pipewire.org/>`_ server.  Requires
    * - **target NAME**
      - Link to the given target.  If not specified, let the PipeWire
        manager select a target.  To get a list of available targets,
-       type ``pw-cli dump short Node``
+       type ``pw-cli ls Node``
    * - **remote NAME**
      - The name of the remote to connect to.  The default is
        ``pipewire-0``.

doc/protocol.rst

@@ -545,6 +545,13 @@ Playback options
     Sets repeat state to ``STATE``,
     ``STATE`` should be 0 or 1.
 
+    If enabled, MPD keeps repeating the whole queue (:ref:`single mode
+    <command_single>` disabled) or the current song (:ref:`single mode
+    <command_single>` enabled).
+
+    If :ref:`random mode <command_random>` is also enabled, the
+    playback order will be shuffled each time the queue gets repeated.
+
 .. _command_setvol:
 
 :command:`setvol {VOL}`
@@ -684,7 +691,8 @@ Song ids on the other hand are stable: an id is assigned to a song
 when it is added, and will stay the same, no matter how much it is
 moved around.  Adding the same song twice will assign different ids to
 them, and a deleted-and-readded song will have a new id.  This way, a
-client can always be sure the correct song is being used.
+client can always be sure the correct song is being used.  Song ids are not
+preserved across :program:`MPD` restarts.
 
 Many commands come in two flavors, one for each address type.
 Whenever possible, ids should be used.

doc/user.rst

@@ -36,7 +36,9 @@ Installing on Android
 
 An experimental Android build is available on Google Play. After installing and launching it, :program:`MPD` will scan the music in your Music directory and you can control it as usual with a :program:`MPD` client.
 
-If you need to tweak the configuration, you can create a file called :file:`mpd.conf` on the data partition (the directory which is returned by Android's :dfn:`getExternalStorageDirectory()` API function). 
+If you need to tweak the configuration, you can create a file called
+:file:`mpd.conf` in MPD's data directory on the external storage
+(usually :file:`Android/data/org.musicpd/files/mpd.conf`).
 
 ALSA is not available on Android; only the :ref:`OpenSL ES
 <sles_output>` output plugin can be used for local playback.
@@ -197,7 +199,7 @@ Compiling for Android
 You need:
 
 * Android SDK
-* `Android NDK r23 <https://developer.android.com/ndk/downloads>`_
+* `Android NDK r25b <https://developer.android.com/ndk/downloads>`_
 * `Meson 0.56.0 <http://mesonbuild.com/>`__ and `Ninja
   <https://ninja-build.org/>`__
 * cmake
@@ -301,7 +303,7 @@ Configuring neighbor plugins
 ----------------------------
 
 All neighbor plugins are disabled by default to avoid unwanted
-overhead. To enable (and configure) a plugin, add a :code:`neighbor`
+overhead. To enable (and configure) a plugin, add a :code:`neighbors`
 block to :file:`mpd.conf`:
 
 .. code-block:: none
@@ -538,7 +540,7 @@ The following table lists the playlist_plugin options valid for all plugins:
 
    * - Name
      - Description
-   * - **plugin**
+   * - **name**
      - The name of the plugin
    * - **enabled yes|no**
      - Allows you to disable a playlist plugin without recompiling. By default, all plugins are enabled.
@@ -609,6 +611,11 @@ If ReplayGain is enabled, then the setting ``replaygain_preamp`` is
 set to a value (in dB) between ``-15`` and ``15``.  This is the gain
 applied to songs with ReplayGain tags.
 
+On songs without ReplayGain tags, the setting
+``replaygain_missing_preamp`` is used instead.  If this setting is not
+configured, then no ReplayGain is applied to such songs, and they will
+appear too loud.
+
 ReplayGain is usually implemented with a software volume filter (which
 prevents `Bit-perfect playback`_).  To use a hardware mixer, set
 ``replay_gain_handler`` to ``mixer`` in the ``audio_output`` section
@@ -654,9 +661,11 @@ MPD enables MixRamp if:
 - Cross-fade is enabled
 - :ref:`mixrampdelay <command_mixrampdelay>` is set to a positive
   value, e.g.::
+
     mpc mixrampdelay 1
 - :ref:`mixrampdb <command_mixrampdb>` is set to a reasonable value,
   e.g.::
+
     mpc mixrampdb -17
 - both songs have MixRamp tags
 - both songs have the same audio format (or :ref:`audio_output_format`
@@ -1063,7 +1072,19 @@ The "music directory" is where you store your music files. :program:`MPD` stores
 
 Depending on the size of your music collection and the speed of the storage, this can take a while.
 
-To exclude a file from the update, create a file called :file:`.mpdignore` in its parent directory. Each line of that file may contain a list of shell wildcards. Matching files in the current directory and all subdirectories are excluded.
+To exclude a file from the update, create a file called
+:file:`.mpdignore` in its parent directory.  Each line of that file
+may contain a list of shell wildcards.  Matching files (or
+directories) in the current directory and all subdirectories are
+excluded.  Example::
+
+  *.opus
+  99*
+
+Subject to pattern matching is the file/directory name.  It is (not
+yet) possible to match nested path names, e.g. something like
+``foo/*.flac`` is not possible.
+
 
 Mounting other storages into the music directory
 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

meson.build

@@ -1,7 +1,7 @@
 project(
   'mpd',
   ['c', 'cpp'],
-  version: '0.23.6',
+  version: '0.23.15',
   meson_version: '>= 0.56.0',
   default_options: [
     'c_std=c11',
@@ -73,6 +73,9 @@ test_common_flags = [
   # clang specific warning options:
   '-Wunreachable-code-aggressive',
   '-Wused-but-marked-unused',
+
+  # suppress bogus GCC12 warnings in libfmt headers
+  '-Wno-stringop-overflow',
 ]
 
 test_global_cxxflags = test_global_common_flags + [
@@ -202,7 +205,6 @@ enable_daemon = not is_windows and not is_android and get_option('daemon')
 conf.set('ENABLE_DAEMON', enable_daemon)
 
 conf.set('HAVE_GETPWNAM_R', compiler.has_function('getpwnam_r'))
-conf.set('HAVE_GETPWUID_R', compiler.has_function('getpwuid_r'))
 conf.set('HAVE_INITGROUPS', compiler.has_function('initgroups'))
 conf.set('HAVE_FNMATCH', compiler.has_function('fnmatch'))
 
@@ -248,6 +250,14 @@ endif
 
 fmt_dep = dependency('fmt', fallback: ['fmt', 'fmt_dep'])
 
+if compiler.get_id() == 'clang' and compiler.version().version_compare('<15')
+  fmt_dep = declare_dependency(
+    dependencies: fmt_dep,
+    # suppress bogus clang 14 warning (the version in Android NDK r25b)
+    compile_args: ['-Wno-unused-local-typedef'],
+  )
+endif
+
 log = static_library(
   'log',
   'src/Log.cxx',
@@ -349,7 +359,7 @@ sources = [
   'src/TagStream.cxx',
   'src/TagAny.cxx',
   'src/TimePrint.cxx',
-  'src/mixer/Volume.cxx',
+  'src/mixer/Memento.cxx',
   'src/PlaylistFile.cxx',
 ]
 
@@ -379,6 +389,7 @@ endif
 
 if enable_database
   sources += [
+    'src/storage/StorageState.cxx',
     'src/queue/PlaylistUpdate.cxx',
     'src/command/StorageCommands.cxx',
     'src/command/DatabaseCommands.cxx',

python/build/autotools.py

@@ -1,26 +1,32 @@
 import os.path, subprocess, sys
+from typing import Collection, Iterable, Optional, Sequence, Union
+from collections.abc import Mapping
 
 from build.makeproject import MakeProject
+from .toolchain import AnyToolchain
 
 class AutotoolsProject(MakeProject):
-    def __init__(self, url, md5, installed, configure_args=[],
-                 autogen=False,
-                 autoreconf=False,
-                 cppflags='',
-                 ldflags='',
-                 libs='',
-                 subdirs=None,
+    def __init__(self, url: Union[str, Sequence[str]], md5: str, installed: str,
+                 configure_args: Iterable[str]=[],
+                 autogen: bool=False,
+                 autoreconf: bool=False,
+                 per_arch_cflags: Optional[Mapping[str, str]]=None,
+                 cppflags: str='',
+                 ldflags: str='',
+                 libs: str='',
+                 subdirs: Optional[Collection[str]]=None,
                  **kwargs):
         MakeProject.__init__(self, url, md5, installed, **kwargs)
         self.configure_args = configure_args
         self.autogen = autogen
         self.autoreconf = autoreconf
+        self.per_arch_cflags = per_arch_cflags
         self.cppflags = cppflags
         self.ldflags = ldflags
         self.libs = libs
         self.subdirs = subdirs
 
-    def configure(self, toolchain):
+    def configure(self, toolchain: AnyToolchain) -> str:
         src = self.unpack(toolchain)
         if self.autogen:
             if sys.platform == 'darwin':
@@ -35,27 +41,48 @@ class AutotoolsProject(MakeProject):
 
         build = self.make_build_path(toolchain)
 
+        arch_cflags = ''
+        if self.per_arch_cflags is not None and toolchain.host_triplet is not None:
+            arch_cflags = self.per_arch_cflags.get(toolchain.host_triplet, '')
+
         configure = [
             os.path.join(src, 'configure'),
             'CC=' + toolchain.cc,
             'CXX=' + toolchain.cxx,
-            'CFLAGS=' + toolchain.cflags,
-            'CXXFLAGS=' + toolchain.cxxflags,
+            'CFLAGS=' + toolchain.cflags + ' ' + arch_cflags,
+            'CXXFLAGS=' + toolchain.cxxflags + ' ' + arch_cflags,
             'CPPFLAGS=' + toolchain.cppflags + ' ' + self.cppflags,
             'LDFLAGS=' + toolchain.ldflags + ' ' + self.ldflags,
             'LIBS=' + toolchain.libs + ' ' + self.libs,
             'AR=' + toolchain.ar,
+            'ARFLAGS=' + toolchain.arflags,
             'RANLIB=' + toolchain.ranlib,
             'STRIP=' + toolchain.strip,
-            '--host=' + toolchain.arch,
             '--prefix=' + toolchain.install_prefix,
-            '--enable-silent-rules',
-        ] + self.configure_args
+            '--disable-silent-rules',
+        ]
+
+        if toolchain.host_triplet is not None:
+            configure.append('--host=' + toolchain.host_triplet)
+
+        configure.extend(self.configure_args)
+
+        try:
+            print(configure)
+            subprocess.check_call(configure, cwd=build, env=toolchain.env)
+        except subprocess.CalledProcessError:
+            # dump config.log after a failed configure run
+            try:
+                with open(os.path.join(build, 'config.log')) as f:
+                    sys.stdout.write(f.read())
+            except:
+                pass
+            # re-raise the exception
+            raise
 
-        subprocess.check_call(configure, cwd=build, env=toolchain.env)
         return build
 
-    def _build(self, toolchain):
+    def _build(self, toolchain: AnyToolchain) -> None:
         build = self.configure(toolchain)
         if self.subdirs is not None:
             for subdir in self.subdirs:

python/build/cmake.py

@@ -1,17 +1,21 @@
 import os
+import re
 import subprocess
+from typing import cast, Optional, Sequence, TextIO, Union
+from collections.abc import Mapping
 
 from build.project import Project
+from .toolchain import AnyToolchain
 
-def __write_cmake_compiler(f, language, compiler):
+def __write_cmake_compiler(f: TextIO, language: str, compiler: str) -> None:
     s = compiler.split(' ', 1)
     if len(s) == 2:
         print(f'set(CMAKE_{language}_COMPILER_LAUNCHER {s[0]})', file=f)
         compiler = s[1]
     print(f'set(CMAKE_{language}_COMPILER {compiler})', file=f)
 
-def __write_cmake_toolchain_file(f, toolchain):
-    if '-darwin' in toolchain.actual_arch:
+def __write_cmake_toolchain_file(f: TextIO, toolchain: AnyToolchain) -> None:
+    if toolchain.is_darwin:
         cmake_system_name = 'Darwin'
     elif toolchain.is_windows:
         cmake_system_name = 'Windows'
@@ -20,67 +24,107 @@ def __write_cmake_toolchain_file(f, toolchain):
 
     f.write(f"""
 set(CMAKE_SYSTEM_NAME {cmake_system_name})
-set(CMAKE_SYSTEM_PROCESSOR {toolchain.actual_arch.split('-', 1)[0]})
+set(CMAKE_SYSTEM_PROCESSOR {toolchain.host_triplet.split('-', 1)[0]})
 
-set(CMAKE_C_COMPILER_TARGET {toolchain.actual_arch})
-set(CMAKE_CXX_COMPILER_TARGET {toolchain.actual_arch})
+set(CMAKE_C_COMPILER_TARGET {toolchain.host_triplet})
+set(CMAKE_CXX_COMPILER_TARGET {toolchain.host_triplet})
 
-set(CMAKE_C_FLAGS "{toolchain.cflags} {toolchain.cppflags}")
-set(CMAKE_CXX_FLAGS "{toolchain.cxxflags} {toolchain.cppflags}")
+set(CMAKE_C_FLAGS_INIT "{toolchain.cflags} {toolchain.cppflags}")
+set(CMAKE_CXX_FLAGS_INIT "{toolchain.cxxflags} {toolchain.cppflags}")
 """)
     __write_cmake_compiler(f, 'C', toolchain.cc)
     __write_cmake_compiler(f, 'CXX', toolchain.cxx)
 
-def configure(toolchain, src, build, args=()):
-    cross_args = []
+    if cmake_system_name == 'Darwin':
+        # On macOS, cmake forcibly adds an "-isysroot" flag even if
+        # one is already present in the flags variable; this breaks
+        # cross-compiling for iOS, and can be worked around by setting
+        # the CMAKE_OSX_SYSROOT variable
+        # (https://cmake.org/cmake/help/latest/variable/CMAKE_OSX_SYSROOT.html).
+        m = re.search(r'-isysroot +(\S+)', toolchain.cflags)
+        if m:
+            sysroot = m.group(1)
+
+            print(f'set(CMAKE_OSX_SYSROOT {sysroot})', file=f)
+
+            # search libraries and headers only in the sysroot, not on
+            # the build host
+            f.write(f"""
+set(CMAKE_FIND_ROOT_PATH "{toolchain.install_prefix};{sysroot}")
+set(CMAKE_FIND_ROOT_PATH_MODE_LIBRARY ONLY)
+set(CMAKE_FIND_ROOT_PATH_MODE_INCLUDE ONLY)
+""")
+    elif cmake_system_name == 'Windows':
+            # search libraries and headers only in the sysroot, not on
+            # the build host
+            f.write(f"""
+set(CMAKE_FIND_ROOT_PATH "{toolchain.install_prefix}")
+set(CMAKE_FIND_ROOT_PATH_MODE_LIBRARY ONLY)
+set(CMAKE_FIND_ROOT_PATH_MODE_INCLUDE ONLY)
+""")
+
+def configure(toolchain: AnyToolchain, src: str, build: str, args: list[str]=[], env: Optional[Mapping[str, str]]=None) -> None:
+    cross_args: list[str] = []
 
     if toolchain.is_windows:
-        cross_args.append('-DCMAKE_RC_COMPILER=' + toolchain.windres)
-
-    # Several targets need a sysroot to prevent pkg-config from
-    # looking for libraries on the build host (TODO: fix this
-    # properly); but we must not do that on Android because the NDK
-    # has a sysroot already
-    if '-android' not in toolchain.actual_arch and '-darwin' not in toolchain.actual_arch:
-        cross_args.append('-DCMAKE_SYSROOT=' + toolchain.install_prefix)
-
-    os.makedirs(build, exist_ok=True)
-    cmake_toolchain_file = os.path.join(build, 'cmake_toolchain_file')
-    with open(cmake_toolchain_file, 'w') as f:
-        __write_cmake_toolchain_file(f, toolchain)
+        cross_args.append('-DCMAKE_RC_COMPILER=' + cast(str, toolchain.windres))
 
     configure = [
         'cmake',
         src,
 
-        '-DCMAKE_TOOLCHAIN_FILE=' + cmake_toolchain_file,
-
         '-DCMAKE_INSTALL_PREFIX=' + toolchain.install_prefix,
         '-DCMAKE_BUILD_TYPE=release',
 
         '-GNinja',
     ] + cross_args + args
 
-    subprocess.check_call(configure, env=toolchain.env, cwd=build)
+    if toolchain.host_triplet is not None:
+        # cross-compiling: write a toolchain file
+        os.makedirs(build, exist_ok=True)
+
+        # Several targets need a sysroot to prevent pkg-config from
+        # looking for libraries on the build host (TODO: fix this
+        # properly); but we must not do that on Android because the NDK
+        # has a sysroot already
+        if not toolchain.is_android and not toolchain.is_darwin:
+            cross_args.append('-DCMAKE_SYSROOT=' + toolchain.install_prefix)
+
+        cmake_toolchain_file = os.path.join(build, 'cmake_toolchain_file')
+        with open(cmake_toolchain_file, 'w') as f:
+            __write_cmake_toolchain_file(f, toolchain)
+
+        configure.append('-DCMAKE_TOOLCHAIN_FILE=' + cmake_toolchain_file)
+
+    if env is None:
+        env = toolchain.env
+    else:
+        env = {**toolchain.env, **env}
+
+    print(configure)
+    subprocess.check_call(configure, env=env, cwd=build)
 
 class CmakeProject(Project):
-    def __init__(self, url, md5, installed, configure_args=[],
-                 windows_configure_args=[],
+    def __init__(self, url: Union[str, Sequence[str]], md5: str, installed: str,
+                 configure_args: list[str]=[],
+                 windows_configure_args: list[str]=[],
+                 env: Optional[Mapping[str, str]]=None,
                  **kwargs):
         Project.__init__(self, url, md5, installed, **kwargs)
         self.configure_args = configure_args
         self.windows_configure_args = windows_configure_args
+        self.env = env
 
-    def configure(self, toolchain):
+    def configure(self, toolchain: AnyToolchain) -> str:
         src = self.unpack(toolchain)
         build = self.make_build_path(toolchain)
         configure_args = self.configure_args
         if toolchain.is_windows:
             configure_args = configure_args + self.windows_configure_args
-        configure(toolchain, src, build, configure_args)
+        configure(toolchain, src, build, configure_args, self.env)
         return build
 
-    def _build(self, toolchain):
+    def _build(self, toolchain: AnyToolchain) -> None:
         build = self.configure(toolchain)
-        subprocess.check_call(['ninja', 'install'],
+        subprocess.check_call(['ninja', '-v', 'install'],
                               cwd=build, env=toolchain.env)

python/build/download.py

@@ -1,12 +1,50 @@
-from build.verify import verify_file_digest
+from typing import Sequence, Union
 import os
+import sys
 import urllib.request
 
-def download_and_verify(url, md5, parent_path):
+from .verify import verify_file_digest
+
+def __to_string_sequence(x: Union[str, Sequence[str]]) -> Sequence[str]:
+    if isinstance(x, str):
+        return (x,)
+    else:
+        return x
+
+def __get_any(x: Union[str, Sequence[str]]) -> str:
+    if isinstance(x, str):
+        return x
+    else:
+        return x[0]
+
+def __download_one(url: str, path: str) -> None:
+    print("download", url)
+    urllib.request.urlretrieve(url, path)
+
+def __download(urls: Sequence[str], path: str) -> None:
+    for url in urls[:-1]:
+        try:
+            __download_one(url, path)
+            return
+        except:
+            print("download error:", sys.exc_info()[0])
+    __download_one(urls[-1], path)
+
+def __download_and_verify_to(urls: Sequence[str], md5: str, path: str) -> None:
+    __download(urls, path)
+    if not verify_file_digest(path, md5):
+        raise RuntimeError("Digest mismatch")
+
+def download_basename(urls: Union[str, Sequence[str]]) -> str:
+    return os.path.basename(__get_any(urls))
+
+def download_and_verify(urls: Union[str, Sequence[str]], md5: str, parent_path: str) -> str:
     """Download a file, verify its MD5 checksum and return the local path."""
 
+    base = download_basename(urls)
+
     os.makedirs(parent_path, exist_ok=True)
-    path = os.path.join(parent_path, os.path.basename(url))
+    path = os.path.join(parent_path, base)
 
     try:
         if verify_file_digest(path, md5): return path
@@ -16,11 +54,6 @@ def download_and_verify(url, md5, parent_path):
 
     tmp_path = path + '.tmp'
 
-    print("download", url)
-    urllib.request.urlretrieve(url, tmp_path)
-    if not verify_file_digest(tmp_path, md5):
-        os.unlink(tmp_path)
-        raise RuntimeError("Digest mismatch")
-
+    __download_and_verify_to(__to_string_sequence(urls), md5, tmp_path)
     os.rename(tmp_path, path)
     return path

python/build/libs.py

@@ -29,8 +29,8 @@ libogg = CmakeProject(
 )
 
 opus = AutotoolsProject(
-    'https://archive.mozilla.org/pub/opus/opus-1.3.1.tar.gz',
-    '65b58e1e25b2a114157014736a3d9dfeaad8d41be1c8179866f144a2fb44ff9d',
+    'https://downloads.xiph.org/releases/opus/opus-1.4.tar.gz',
+    'c9b32b4253be5ae63d1ff16eea06b94b5f0f2951b7a02aceef58e3a3ce49c51f',
     'lib/libopus.a',
     [
         '--disable-shared', '--enable-static',
@@ -43,20 +43,23 @@ opus = AutotoolsProject(
 )
 
 flac = AutotoolsProject(
-    'http://downloads.xiph.org/releases/flac/flac-1.3.4.tar.xz',
-    '8ff0607e75a322dd7cd6ec48f4f225471404ae2730d0ea945127b1355155e737',
+    'http://downloads.xiph.org/releases/flac/flac-1.4.3.tar.xz',
+    '6c58e69cd22348f441b861092b825e591d0b822e106de6eb0ee4d05d27205b70',
     'lib/libFLAC.a',
     [
         '--disable-shared', '--enable-static',
+        '--disable-stack-smash-protection',
         '--disable-xmms-plugin', '--disable-cpplibs',
         '--disable-doxygen-docs',
+        '--disable-programs',
     ],
     subdirs=['include', 'src/libFLAC'],
 )
 
 zlib = ZlibProject(
-    'http://zlib.net/zlib-1.2.11.tar.xz',
-    '4ff941449631ace0d4d203e3483be9dbc9da454084111f97ea0a2114e19bf066',
+    ('http://zlib.net/zlib-1.3.tar.xz',
+     'https://github.com/madler/zlib/releases/download/v1.3/zlib-1.3.tar.xz'),
+    '8a9ba2898e1d0d774eca6ba5b4627a11e5588ba85c8851336eb38de4683050a7',
     'lib/libz.a',
 )
 
@@ -109,33 +112,35 @@ libmodplug = AutotoolsProject(
     [
         '--disable-shared', '--enable-static',
     ],
+    patches='src/lib/modplug/patches',
 )
 
 libopenmpt = AutotoolsProject(
-    'https://lib.openmpt.org/files/libopenmpt/src/libopenmpt-0.5.12+release.autotools.tar.gz',
-    '892aea7a599b5d21842bebf463b5aafdad5711be7008dd84401920c6234820af',
+    'https://lib.openmpt.org/files/libopenmpt/src/libopenmpt-0.7.3+release.autotools.tar.gz',
+    '2cf8369b7916b09264f3f14b9fb6cef35a6e9bee0328dec4f49d98211ccfd722',
     'lib/libopenmpt.a',
     [
         '--disable-shared', '--enable-static',
         '--disable-openmpt123',
+        '--disable-examples',
+        '--disable-tests',
+        '--disable-doxygen-doc',
         '--without-mpg123', '--without-ogg', '--without-vorbis', '--without-vorbisfile',
         '--without-portaudio', '--without-portaudiocpp', '--without-sndfile',
+        '--without-flac',
     ],
-    base='libopenmpt-0.5.12+release.autotools',
+    base='libopenmpt-0.6.6+release.autotools',
 )
 
 wildmidi = CmakeProject(
-    'https://codeload.github.com/Mindwerks/wildmidi/tar.gz/wildmidi-0.4.4',
-    '6f267c8d331e9859906837e2c197093fddec31829d2ebf7b958cf6b7ae935430',
+    'https://github.com/Mindwerks/wildmidi/releases/download/wildmidi-0.4.5/wildmidi-0.4.5.tar.gz',
+    'd5e7bef00a7aa47534a53d43b1265f8d3d27f6a28e7f563c1cdf02ff4fa35b99',
     'lib/libWildMidi.a',
     [
         '-DBUILD_SHARED_LIBS=OFF',
         '-DWANT_PLAYER=OFF',
         '-DWANT_STATIC=ON',
     ],
-    base='wildmidi-wildmidi-0.4.4',
-    name='wildmidi',
-    version='0.4.4',
 )
 
 gme = CmakeProject(
@@ -146,13 +151,13 @@ gme = CmakeProject(
         '-DBUILD_SHARED_LIBS=OFF',
         '-DENABLE_UBSAN=OFF',
         '-DZLIB_INCLUDE_DIR=OFF',
-        '-DSDL2_DIR=OFF',
+        '-DCMAKE_DISABLE_FIND_PACKAGE_SDL2=ON',
     ],
 )
 
 ffmpeg = FfmpegProject(
-    'http://ffmpeg.org/releases/ffmpeg-5.0.tar.xz',
-    '51e919f7d205062c0fd4fae6243a84850391115104ccf1efc451733bc0ac7298',
+    'http://ffmpeg.org/releases/ffmpeg-6.1.tar.xz',
+    '488c76e57dd9b3bee901f71d5c95eaf1db4a5a31fe46a28654e837144207c270',
     'lib/libavcodec.a',
     [
         '--disable-shared', '--enable-static',
@@ -166,17 +171,21 @@ ffmpeg = FfmpegProject(
         '--disable-swscale',
         '--disable-postproc',
         '--disable-avfilter',
-        '--disable-lzo',
         '--disable-faan',
         '--disable-pixelutils',
         '--disable-network',
         '--disable-encoders',
+        '--disable-hwaccels',
         '--disable-muxers',
         '--disable-protocols',
         '--disable-devices',
         '--disable-filters',
         '--disable-v4l2_m2m',
 
+        '--disable-sdl2',
+        '--disable-vulkan',
+        '--disable-xlib',
+
         '--disable-parser=bmp',
         '--disable-parser=cavsvideo',
         '--disable-parser=dvbsub',
@@ -189,17 +198,22 @@ ffmpeg = FfmpegProject(
         '--disable-parser=h263',
         '--disable-parser=h264',
         '--disable-parser=hevc',
+        '--disable-parser=jpeg2000',
         '--disable-parser=mjpeg',
         '--disable-parser=mlp',
         '--disable-parser=mpeg4video',
         '--disable-parser=mpegvideo',
         '--disable-parser=opus',
+        '--disable-parser=qoi',
+        '--disable-parser=rv30',
+        '--disable-parser=rv40',
         '--disable-parser=vc1',
         '--disable-parser=vp3',
         '--disable-parser=vp8',
         '--disable-parser=vp9',
         '--disable-parser=png',
         '--disable-parser=pnm',
+        '--disable-parser=webp',
         '--disable-parser=xma',
 
         '--disable-demuxer=aqtitle',
@@ -215,6 +229,42 @@ ffmpeg = FfmpegProject(
         '--disable-demuxer=h264',
         '--disable-demuxer=ico',
         '--disable-demuxer=image2',
+        '--disable-demuxer=image2pipe',
+        '--disable-demuxer=image_bmp_pipe',
+        '--disable-demuxer=image_cri_pipe',
+        '--disable-demuxer=image_dds_pipe',
+        '--disable-demuxer=image_dpx_pipe',
+        '--disable-demuxer=image_exr_pipe',
+        '--disable-demuxer=image_gem_pipe',
+        '--disable-demuxer=image_gif_pipe',
+        '--disable-demuxer=image_j2k_pipe',
+        '--disable-demuxer=image_jpeg_pipe',
+        '--disable-demuxer=image_jpegls_pipe',
+        '--disable-demuxer=image_jpegxl_pipe',
+        '--disable-demuxer=image_pam_pipe',
+        '--disable-demuxer=image_pbm_pipe',
+        '--disable-demuxer=image_pcx_pipe',
+        '--disable-demuxer=image_pfm_pipe',
+        '--disable-demuxer=image_pgm_pipe',
+        '--disable-demuxer=image_pgmyuv_pipe',
+        '--disable-demuxer=image_pgx_pipe',
+        '--disable-demuxer=image_phm_pipe',
+        '--disable-demuxer=image_photocd_pipe',
+        '--disable-demuxer=image_pictor_pipe',
+        '--disable-demuxer=image_png_pipe',
+        '--disable-demuxer=image_ppm_pipe',
+        '--disable-demuxer=image_psd_pipe',
+        '--disable-demuxer=image_qdraw_pipe',
+        '--disable-demuxer=image_qoi_pipe',
+        '--disable-demuxer=image_sgi_pipe',
+        '--disable-demuxer=image_sunrast_pipe',
+        '--disable-demuxer=image_svg_pipe',
+        '--disable-demuxer=image_tiff_pipe',
+        '--disable-demuxer=image_vbn_pipe',
+        '--disable-demuxer=image_webp_pipe',
+        '--disable-demuxer=image_xbm_pipe',
+        '--disable-demuxer=image_xpm_pipe',
+        '--disable-demuxer=image_xwd_pipe',
         '--disable-demuxer=jacosub',
         '--disable-demuxer=lrc',
         '--disable-demuxer=microdvd',
@@ -237,6 +287,7 @@ ffmpeg = FfmpegProject(
         '--disable-demuxer=tedcaptions',
         '--disable-demuxer=vobsub',
         '--disable-demuxer=vplayer',
+        '--disable-demuxer=webm_dash_manifest',
         '--disable-demuxer=webvtt',
         '--disable-demuxer=yuv4mpegpipe',
 
@@ -266,78 +317,181 @@ ffmpeg = FfmpegProject(
         '--disable-decoder=qdmc',
 
         # disable lots of image and video codecs
+        '--disable-decoder=acelp_kelvin',
+        '--disable-decoder=agm',
+        '--disable-decoder=aic',
+        '--disable-decoder=alias_pix',
+        '--disable-decoder=ansi',
+        '--disable-decoder=apng',
+        '--disable-decoder=arbc',
+        '--disable-decoder=argo',
         '--disable-decoder=ass',
         '--disable-decoder=asv1',
         '--disable-decoder=asv2',
-        '--disable-decoder=apng',
+        '--disable-decoder=aura',
+        '--disable-decoder=aura2',
         '--disable-decoder=avrn',
         '--disable-decoder=avrp',
+        '--disable-decoder=avui',
+        '--disable-decoder=ayuv',
         '--disable-decoder=bethsoftvid',
+        '--disable-decoder=bfi',
         '--disable-decoder=bink',
+        '--disable-decoder=bintext',
+        '--disable-decoder=bitpacked',
         '--disable-decoder=bmp',
         '--disable-decoder=bmv_video',
+        '--disable-decoder=brender_pix',
+        '--disable-decoder=c93',
         '--disable-decoder=cavs',
         '--disable-decoder=ccaption',
         '--disable-decoder=cdgraphics',
+        '--disable-decoder=cdtoons',
+        '--disable-decoder=cdxl',
+        '--disable-decoder=cfhd',
+        '--disable-decoder=cinepak',
         '--disable-decoder=clearvideo',
+        '--disable-decoder=cljr',
+        '--disable-decoder=cllc',
+        '--disable-decoder=cpia',
+        '--disable-decoder=cscd',
+        '--disable-decoder=cyuv',
+        '--disable-decoder=dds',
         '--disable-decoder=dirac',
+        '--disable-decoder=dnxhd',
+        '--disable-decoder=dpx',
         '--disable-decoder=dsicinvideo',
         '--disable-decoder=dvbsub',
         '--disable-decoder=dvdsub',
         '--disable-decoder=dvvideo',
+        '--disable-decoder=dxa',
+        '--disable-decoder=dxtory',
+        '--disable-decoder=dxv',
+        '--disable-decoder=eacmv',
+        '--disable-decoder=eamad',
+        '--disable-decoder=eatgq',
+        '--disable-decoder=eatgv',
+        '--disable-decoder=eatqi',
+        '--disable-decoder=eightbps',
+        '--disable-decoder=escape124',
+        '--disable-decoder=escape130',
         '--disable-decoder=exr',
         '--disable-decoder=ffv1',
         '--disable-decoder=ffvhuff',
         '--disable-decoder=ffwavesynth',
+        '--disable-decoder=fic',
+        '--disable-decoder=fits',
+        '--disable-decoder=flashsv',
+        '--disable-decoder=flashsv2',
         '--disable-decoder=flic',
         '--disable-decoder=flv',
+        '--disable-decoder=fmvc',
         '--disable-decoder=fraps',
+        '--disable-decoder=fourxm',
+        '--disable-decoder=frwu',
+        '--disable-decoder=g2m',
+        '--disable-decoder=gdv',
+        '--disable-decoder=gem',
         '--disable-decoder=gif',
         '--disable-decoder=h261',
         '--disable-decoder=h263',
         '--disable-decoder=h263i',
         '--disable-decoder=h263p',
         '--disable-decoder=h264',
+        '--disable-decoder=hap',
         '--disable-decoder=hevc',
         '--disable-decoder=hnm4_video',
         '--disable-decoder=hq_hqa',
         '--disable-decoder=hqx',
+        '--disable-decoder=huffyuv',
+        '--disable-decoder=hymt',
         '--disable-decoder=idcin',
+        '--disable-decoder=idf',
         '--disable-decoder=iff_ilbm',
+        '--disable-decoder=imm4',
         '--disable-decoder=indeo2',
         '--disable-decoder=indeo3',
         '--disable-decoder=indeo4',
         '--disable-decoder=indeo5',
         '--disable-decoder=interplay_video',
+        '--disable-decoder=ipu',
         '--disable-decoder=jacosub',
         '--disable-decoder=jpeg2000',
         '--disable-decoder=jpegls',
+        '--disable-decoder=jv',
+        '--disable-decoder=kgv1',
+        '--disable-decoder=kmvc',
+        '--disable-decoder=lagarith',
+        '--disable-decoder=loco',
+        '--disable-decoder=lscr',
+        '--disable-decoder=m101',
+        '--disable-decoder=magicyuv',
+        '--disable-decoder=mdec',
         '--disable-decoder=microdvd',
         '--disable-decoder=mimic',
         '--disable-decoder=mjpeg',
         '--disable-decoder=mmvideo',
         '--disable-decoder=mpl2',
+        '--disable-decoder=mobiclip',
         '--disable-decoder=motionpixels',
+        '--disable-decoder=movtext',
         '--disable-decoder=mpeg1video',
         '--disable-decoder=mpeg2video',
         '--disable-decoder=mpeg4',
         '--disable-decoder=mpegvideo',
+        '--disable-decoder=msa1',
         '--disable-decoder=mscc',
         '--disable-decoder=msmpeg4_crystalhd',
         '--disable-decoder=msmpeg4v1',
         '--disable-decoder=msmpeg4v2',
         '--disable-decoder=msmpeg4v3',
+        '--disable-decoder=msp2',
+        '--disable-decoder=msrle',
+        '--disable-decoder=mss1',
         '--disable-decoder=msvideo1',
         '--disable-decoder=mszh',
+        '--disable-decoder=mts2',
+        '--disable-decoder=mv30',
         '--disable-decoder=mvc1',
         '--disable-decoder=mvc2',
+        '--disable-decoder=mvdv',
+        '--disable-decoder=mvha',
+        '--disable-decoder=mwsc',
+        '--disable-decoder=notchlc',
+        '--disable-decoder=nuv',
         '--disable-decoder=on2avc',
         '--disable-decoder=paf_video',
+        '--disable-decoder=pam',
+        '--disable-decoder=pbm',
+        '--disable-decoder=pcx',
+        '--disable-decoder=pdv',
+        '--disable-decoder=pfm',
+        '--disable-decoder=pgm',
+        '--disable-decoder=pgmyuv',
+        '--disable-decoder=pgssub',
+        '--disable-decoder=pgx',
+        '--disable-decoder=phm',
+        '--disable-decoder=photocd',
         '--disable-decoder=png',
+        '--disable-decoder=pictor',
+        '--disable-decoder=pixlet',
+        '--disable-decoder=pjs',
+        '--disable-decoder=ppm',
+        '--disable-decoder=prores',
+        '--disable-decoder=prosumer',
+        '--disable-decoder=psd',
+        '--disable-decoder=ptx',
         '--disable-decoder=qdraw',
+        '--disable-decoder=qoi',
         '--disable-decoder=qpeg',
+        '--disable-decoder=qtrle',
         '--disable-decoder=rawvideo',
+        '--disable-decoder=r10k',
+        '--disable-decoder=r210',
+        '--disable-decoder=rasc',
         '--disable-decoder=realtext',
+        '--disable-decoder=rl2',
+        '--disable-decoder=rpza',
         '--disable-decoder=roq',
         '--disable-decoder=roq_dpcm',
         '--disable-decoder=rscc',
@@ -346,53 +500,122 @@ ffmpeg = FfmpegProject(
         '--disable-decoder=rv30',
         '--disable-decoder=rv40',
         '--disable-decoder=sami',
+        '--disable-decoder=sanm',
+        '--disable-decoder=scpr',
+        '--disable-decoder=screenpresso',
+        '--disable-decoder=sga',
+        '--disable-decoder=sgi',
+        '--disable-decoder=sgirle',
         '--disable-decoder=sheervideo',
+        '--disable-decoder=simbiosis_imx',
+        '--disable-decoder=smc',
         '--disable-decoder=snow',
+        '--disable-decoder=speedhq',
+        '--disable-decoder=srgc',
         '--disable-decoder=srt',
+        '--disable-decoder=ssa',
         '--disable-decoder=stl',
         '--disable-decoder=subrip',
         '--disable-decoder=subviewer',
         '--disable-decoder=subviewer1',
+        '--disable-decoder=sunrast',
         '--disable-decoder=svq1',
         '--disable-decoder=svq3',
+        '--disable-decoder=targa',
+        '--disable-decoder=targa_y216',
+        '--disable-decoder=text',
         '--disable-decoder=tiff',
         '--disable-decoder=tiertexseqvideo',
+        '--disable-decoder=tmv',
         '--disable-decoder=truemotion1',
         '--disable-decoder=truemotion2',
         '--disable-decoder=truemotion2rt',
+        '--disable-decoder=tscc',
+        '--disable-decoder=tscc2',
         '--disable-decoder=twinvq',
+        '--disable-decoder=txd',
+        '--disable-decoder=ulti',
         '--disable-decoder=utvideo',
+        '--disable-decoder=v210',
+        '--disable-decoder=v210x',
+        '--disable-decoder=v308',
+        '--disable-decoder=v408',
+        '--disable-decoder=v410',
+        '--disable-decoder=vb',
+        '--disable-decoder=vble',
+        '--disable-decoder=vbn',
         '--disable-decoder=vc1',
+        '--disable-decoder=vcr1',
         '--disable-decoder=vmdvideo',
+        '--disable-decoder=vmnc',
         '--disable-decoder=vp3',
         '--disable-decoder=vp5',
         '--disable-decoder=vp6',
         '--disable-decoder=vp7',
         '--disable-decoder=vp8',
         '--disable-decoder=vp9',
+        '--disable-decoder=vplayer',
         '--disable-decoder=vqa',
         '--disable-decoder=webvtt',
+        '--disable-decoder=wcmv',
         '--disable-decoder=wmv1',
         '--disable-decoder=wmv2',
         '--disable-decoder=wmv3',
+        '--disable-decoder=wnv1',
+        '--disable-decoder=wrapped_avframe',
+        '--disable-decoder=xan_wc3',
+        '--disable-decoder=xan_wc4',
+        '--disable-decoder=xbin',
+        '--disable-decoder=xbm',
+        '--disable-decoder=xface',
+        '--disable-decoder=xl',
+        '--disable-decoder=xpm',
+        '--disable-decoder=xsub',
+        '--disable-decoder=xwd',
+        '--disable-decoder=y41p',
+        '--disable-decoder=ylc',
+        '--disable-decoder=yop',
         '--disable-decoder=yuv4',
+        '--disable-decoder=zero12v',
+        '--disable-decoder=zerocodec',
+        '--disable-decoder=zlib',
+        '--disable-decoder=zmbv',
+
+        '--disable-bsf=av1_frame_merge',
+        '--disable-bsf=av1_frame_split',
+        '--disable-bsf=av1_metadata',
+        '--disable-bsf=dts2pts',
+        '--disable-bsf=h264_metadata',
+        '--disable-bsf=h264_mp4toannexb',
+        '--disable-bsf=h264_redundant_pps',
+        '--disable-bsf=hevc_metadata',
+        '--disable-bsf=hevc_mp4toannexb',
+        '--disable-bsf=mjpeg2jpeg',
+        '--disable-bsf=opus_metadata',
+        '--disable-bsf=pgs_frame_merge',
+        '--disable-bsf=text2movsub',
+        '--disable-bsf=vp9_metadata',
+        '--disable-bsf=vp9_raw_reorder',
+        '--disable-bsf=vp9_superframe',
+        '--disable-bsf=vp9_superframe_split',
     ],
 )
 
 openssl = OpenSSLProject(
-    'https://www.openssl.org/source/openssl-3.0.1.tar.gz',
-    'c311ad853353bce796edad01a862c50a8a587f62e7e2100ef465ab53ec9b06d1',
+    ('https://www.openssl.org/source/openssl-3.1.4.tar.gz',
+     'https://artfiles.org/openssl.org/source/openssl-3.1.4.tar.gz'),
+    '840af5366ab9b522bde525826be3ef0fb0af81c6a9ebd84caa600fea1731eee3',
     'include/openssl/ossl_typ.h',
 )
 
 curl = CmakeProject(
-    'https://curl.se/download/curl-7.82.0.tar.xz',
-    '0aaa12d7bd04b0966254f2703ce80dd5c38dbbd76af0297d3d690cdce58a583c',
+    ('https://curl.se/download/curl-8.5.0.tar.xz',
+     'https://github.com/curl/curl/releases/download/curl-8_5_0/curl-8.5.0.tar.xz'),
+    '42ab8db9e20d8290a3b633e7fbb3cec15db34df65fd1015ef8ac1e4723750eeb',
     'lib/libcurl.a',
     [
         '-DBUILD_CURL_EXE=OFF',
         '-DBUILD_SHARED_LIBS=OFF',
-        '-DCURL_DISABLE_VERBOSE_STRINGS=ON',
         '-DCURL_DISABLE_LDAP=ON',
         '-DCURL_DISABLE_TELNET=ON',
         '-DCURL_DISABLE_DICT=ON',
@@ -421,8 +644,8 @@ curl = CmakeProject(
 )
 
 libnfs = AutotoolsProject(
-    'https://github.com/sahlberg/libnfs/archive/libnfs-5.0.1.tar.gz',
-    '7ef445410b42f36b9bad426608b53ccb9ccca4101e545c383f564c11db672ca8',
+    'https://github.com/sahlberg/libnfs/archive/libnfs-5.0.2.tar.gz',
+    '637e56643b19da9fba98f06847788c4dad308b723156a64748041035dcdf9bd3',
     'lib/libnfs.a',
     [
         '--disable-shared', '--enable-static',
@@ -433,7 +656,7 @@ libnfs = AutotoolsProject(
 
         '--disable-utils', '--disable-examples',
     ],
-    base='libnfs-libnfs-5.0.1',
+    base='libnfs-libnfs-5.0.2',
     autoreconf=True,
 )
 
@@ -444,7 +667,7 @@ jack = JackProject(
 )
 
 boost = BoostProject(
-    'https://boostorg.jfrog.io/artifactory/main/release/1.78.0/source/boost_1_78_0.tar.bz2',
-    '8681f175d4bdb26c52222665793eef08490d7758529330f98d3b29dd0735bccc',
+    'https://boostorg.jfrog.io/artifactory/main/release/1.81.0/source/boost_1_81_0.tar.bz2',
+    '71feeed900fbccca04a3b4f2f84a7c217186f28a940ed8b7ed4725986baf99fa',
     'include/boost/version.hpp',
 )

python/build/makeproject.py

@@ -1,28 +1,35 @@
-import subprocess
+import subprocess, multiprocessing
+from typing import Optional, Sequence, Union
 
 from build.project import Project
+from .toolchain import AnyToolchain
 
 class MakeProject(Project):
-    def __init__(self, url, md5, installed,
-                 install_target='install',
+    def __init__(self, url: Union[str, Sequence[str]], md5: str, installed: str,
+                 install_target: str='install',
                  **kwargs):
         Project.__init__(self, url, md5, installed, **kwargs)
         self.install_target = install_target
 
-    def get_simultaneous_jobs(self):
-        return 12
+    def get_simultaneous_jobs(self) -> int:
+        try:
+            # use twice as many simultaneous jobs as we have CPU cores
+            return multiprocessing.cpu_count() * 2
+        except NotImplementedError:
+            # default to 12, if multiprocessing.cpu_count() is not implemented
+            return 12
 
-    def get_make_args(self, toolchain):
+    def get_make_args(self, toolchain: AnyToolchain) -> list[str]:
         return ['--quiet', '-j' + str(self.get_simultaneous_jobs())]
 
-    def get_make_install_args(self, toolchain):
+    def get_make_install_args(self, toolchain: AnyToolchain) -> list[str]:
         return ['--quiet', self.install_target]
 
-    def make(self, toolchain, wd, args):
-        subprocess.check_call(['/usr/bin/make'] + args,
+    def make(self, toolchain: AnyToolchain, wd: str, args: list[str]) -> None:
+        subprocess.check_call(['make'] + args,
                               cwd=wd, env=toolchain.env)
 
-    def build_make(self, toolchain, wd, install=True):
+    def build_make(self, toolchain: AnyToolchain, wd: str, install: bool=True) -> None:
         self.make(toolchain, wd, self.get_make_args(toolchain))
         if install:
             self.make(toolchain, wd, self.get_make_install_args(toolchain))

python/build/meson.py

@@ -1,9 +1,17 @@
-import os.path, subprocess, sys
+import os
+import subprocess
 import platform
+from typing import Optional, Sequence, Union
 
 from build.project import Project
+from .toolchain import AnyToolchain
 
-def make_cross_file(toolchain):
+def __no_ccache(cmd: str) -> str:
+    if cmd.startswith('ccache '):
+        cmd = cmd[7:]
+    return cmd
+
+def make_cross_file(toolchain: AnyToolchain) -> str:
     if toolchain.is_windows:
         system = 'windows'
         windres = "windres = '%s'" % toolchain.windres
@@ -22,7 +30,7 @@ def make_cross_file(toolchain):
         cpu = 'arm64-v8a'
     else:
         cpu_family = 'x86'
-        if 'x86_64' in toolchain.arch:
+        if 'x86_64' in toolchain.host_triplet:
             cpu = 'x86_64'
         else:
             cpu = 'i686'
@@ -37,8 +45,8 @@ def make_cross_file(toolchain):
     with open(path, 'w') as f:
         f.write(f"""
 [binaries]
-c = '{toolchain.cc}'
-cpp = '{toolchain.cxx}'
+c = '{__no_ccache(toolchain.cc)}'
+cpp = '{__no_ccache(toolchain.cxx)}'
 ar = '{toolchain.ar}'
 strip = '{toolchain.strip}'
 pkgconfig = '{toolchain.pkg_config}'
@@ -55,7 +63,7 @@ pkgconfig = '{toolchain.pkg_config}'
 root = '{toolchain.install_prefix}'
 """)
 
-        if 'android' in toolchain.arch:
+        if toolchain.is_android:
             f.write("""
 # Keep Meson from executing Android-x86 test binariees
 needs_exe_wrapper = true
@@ -79,21 +87,23 @@ endian = '{endian}'
 """)
     return path
 
-def configure(toolchain, src, build, args=()):
-    cross_file = make_cross_file(toolchain)
+def configure(toolchain: AnyToolchain, src: str, build: str, args: list[str]=[]) -> None:
     configure = [
-        'meson',
-        src, build,
+        'meson', 'setup',
+        build, src,
 
         '--prefix', toolchain.install_prefix,
 
         '--buildtype', 'plain',
 
         '--default-library=static',
-
-        '--cross-file', cross_file,
     ] + args
 
+    if toolchain.host_triplet is not None:
+        # cross-compiling: write a cross-file
+        cross_file = make_cross_file(toolchain)
+        configure.append(f'--cross-file={cross_file}')
+
     env = toolchain.env.copy()
 
     # Meson 0.54 requires the BOOST_ROOT environment variable
@@ -102,18 +112,19 @@ def configure(toolchain, src, build, args=()):
     subprocess.check_call(configure, env=env)
 
 class MesonProject(Project):
-    def __init__(self, url, md5, installed, configure_args=[],
+    def __init__(self, url: Union[str, Sequence[str]], md5: str, installed: str,
+                 configure_args: list[str]=[],
                  **kwargs):
         Project.__init__(self, url, md5, installed, **kwargs)
         self.configure_args = configure_args
 
-    def configure(self, toolchain):
+    def configure(self, toolchain: AnyToolchain) -> str:
         src = self.unpack(toolchain)
         build = self.make_build_path(toolchain)
         configure(toolchain, src, build, self.configure_args)
         return build
 
-    def _build(self, toolchain):
+    def _build(self, toolchain: AnyToolchain) -> None:
         build = self.configure(toolchain)
-        subprocess.check_call(['ninja', 'install'],
+        subprocess.check_call(['ninja', '-v', 'install'],
                               cwd=build, env=toolchain.env)

python/build/openssl.py

@@ -1,13 +1,15 @@
 import subprocess
+from typing import Optional, Sequence, Union
 
 from build.makeproject import MakeProject
+from .toolchain import AnyToolchain
 
 class OpenSSLProject(MakeProject):
-    def __init__(self, url, md5, installed,
+    def __init__(self, url: Union[str, Sequence[str]], md5: str, installed: str,
                  **kwargs):
         MakeProject.__init__(self, url, md5, installed, install_target='install_dev', **kwargs)
 
-    def get_make_args(self, toolchain):
+    def get_make_args(self, toolchain: AnyToolchain) -> list[str]:
         return MakeProject.get_make_args(self, toolchain) + [
             'CC=' + toolchain.cc,
             'CFLAGS=' + toolchain.cflags,
@@ -17,45 +19,60 @@ class OpenSSLProject(MakeProject):
             'build_libs',
         ]
 
-    def get_make_install_args(self, toolchain):
+    def get_make_install_args(self, toolchain: AnyToolchain) -> list[str]:
         # OpenSSL's Makefile runs "ranlib" during installation
         return MakeProject.get_make_install_args(self, toolchain) + [
             'RANLIB=' + toolchain.ranlib,
         ]
 
-    def _build(self, toolchain):
+    def _build(self, toolchain: AnyToolchain) -> None:
         src = self.unpack(toolchain, out_of_tree=False)
 
         # OpenSSL has a weird target architecture scheme with lots of
         # hard-coded architectures; this table translates between our
-        # "toolchain_arch" (HOST_TRIPLET) and the OpenSSL target
+        # host triplet and the OpenSSL target
         openssl_archs = {
             # not using "android-*" because those OpenSSL targets want
             # to know where the SDK is, but our own build scripts
             # prepared everything already to look like a regular Linux
             # build
-            'arm-linux-androideabi': 'linux-generic32',
+            'armv7a-linux-androideabi': 'linux-generic32',
             'aarch64-linux-android': 'linux-aarch64',
             'i686-linux-android': 'linux-x86-clang',
             'x86_64-linux-android': 'linux-x86_64-clang',
 
-            # Kobo
+            # generic Linux
             'arm-linux-gnueabihf': 'linux-generic32',
 
             # Windows
             'i686-w64-mingw32': 'mingw',
             'x86_64-w64-mingw32': 'mingw64',
+
+            # Apple
+            'x86_64-apple-darwin': 'darwin64-x86_64-cc',
+            'aarch64-apple-darwin': 'darwin64-arm64-cc',
         }
 
-        openssl_arch = openssl_archs[toolchain.arch]
+        configure = [
+            './Configure',
+            'no-shared',
+            'no-module',
+            'no-engine',
+            'no-static-engine',
+            'no-async',
+            'no-tests',
+            'no-makedepend',
+            '--libdir=lib', # no "lib64" on amd64, please
+            '--prefix=' + toolchain.install_prefix,
+        ]
 
-        subprocess.check_call(['./Configure',
-                               'no-shared',
-                               'no-module', 'no-engine', 'no-static-engine',
-                               'no-async',
-                               'no-tests',
-                               'no-asm', # "asm" causes build failures on Windows
-                               openssl_arch,
-                               '--prefix=' + toolchain.install_prefix],
-                              cwd=src, env=toolchain.env)
+        if toolchain.is_windows:
+            # workaround for build failures
+            configure.append('no-asm')
+
+        if toolchain.host_triplet is not None:
+            configure.append(openssl_archs[toolchain.host_triplet])
+            configure.append(f'--cross-compile-prefix={toolchain.host_triplet}-')
+
+        subprocess.check_call(configure, cwd=src, env=toolchain.env)
         self.build_make(toolchain, src)

python/build/project.py

@@ -1,26 +1,30 @@
 import os, shutil
 import re
+from typing import cast, BinaryIO, Optional, Sequence, Union
 
-from build.download import download_and_verify
+from build.download import download_basename, download_and_verify
 from build.tar import untar
 from build.quilt import push_all
+from .toolchain import AnyToolchain
 
 class Project:
-    def __init__(self, url, md5, installed, name=None, version=None,
-                 base=None,
-                 patches=None,
+    def __init__(self, url: Union[str, Sequence[str]], md5: str, installed: str,
+                 name: Optional[str]=None, version: Optional[str]=None,
+                 base: Optional[str]=None,
+                 patches: Optional[str]=None,
                  edits=None,
-                 use_cxx=False):
+                 use_cxx: bool=False):
         if base is None:
-            basename = os.path.basename(url)
+            basename = download_basename(url)
             m = re.match(r'^(.+)\.(tar(\.(gz|bz2|xz|lzma))?|zip)$', basename)
-            if not m: raise
+            if not m: raise RuntimeError('Could not identify tarball name: ' + basename)
             self.base = m.group(1)
         else:
             self.base = base
 
         if name is None or version is None:
             m = re.match(r'^([-\w]+)-(\d[\d.]*[a-z]?[\d.]*(?:-(?:alpha|beta)\d+)?)(\+.*)?$', self.base)
+            if not m: raise RuntimeError('Could not identify tarball name: ' + self.base)
             if name is None: name = m.group(1)
             if version is None: version = m.group(2)
 
@@ -38,10 +42,10 @@ class Project:
         self.edits = edits
         self.use_cxx = use_cxx
 
-    def download(self, toolchain):
+    def download(self, toolchain: AnyToolchain) -> str:
         return download_and_verify(self.url, self.md5, toolchain.tarball_path)
 
-    def is_installed(self, toolchain):
+    def is_installed(self, toolchain: AnyToolchain) -> bool:
         tarball = self.download(toolchain)
         installed = os.path.join(toolchain.install_prefix, self.installed)
         tarball_mtime = os.path.getmtime(tarball)
@@ -50,13 +54,13 @@ class Project:
         except FileNotFoundError:
             return False
 
-    def unpack(self, toolchain, out_of_tree=True):
+    def unpack(self, toolchain: AnyToolchain, out_of_tree: bool=True) -> str:
         if out_of_tree:
             parent_path = toolchain.src_path
         else:
             parent_path = toolchain.build_path
-        path = untar(self.download(toolchain), parent_path, self.base)
-
+        path = untar(self.download(toolchain), parent_path, self.base,
+                     lazy=out_of_tree and self.patches is None)
         if self.patches is not None:
             push_all(toolchain, path, self.patches)
 
@@ -71,8 +75,10 @@ class Project:
 
         return path
 
-    def make_build_path(self, toolchain):
+    def make_build_path(self, toolchain: AnyToolchain, lazy: bool=False) -> str:
         path = os.path.join(toolchain.build_path, self.base)
+        if lazy and os.path.isdir(path):
+            return path
         try:
             shutil.rmtree(path)
         except FileNotFoundError:
@@ -80,5 +86,5 @@ class Project:
         os.makedirs(path, exist_ok=True)
         return path
 
-    def build(self, toolchain):
+    def build(self, toolchain: AnyToolchain) -> None:
         self._build(toolchain)

python/build/quilt.py

@@ -1,9 +1,12 @@
 import subprocess
+from typing import Union
 
-def run_quilt(toolchain, cwd, patches_path, *args):
+from .toolchain import AnyToolchain
+
+def run_quilt(toolchain: AnyToolchain, cwd: str, patches_path: str, *args: str) -> None:
     env = dict(toolchain.env)
     env['QUILT_PATCHES'] = patches_path
     subprocess.check_call(['quilt'] + list(args), cwd=cwd, env=env)
 
-def push_all(toolchain, src_path, patches_path):
+def push_all(toolchain: AnyToolchain, src_path: str, patches_path: str) -> None:
     run_quilt(toolchain, src_path, patches_path, 'push', '-a')

python/build/tar.py

@@ -1,14 +1,17 @@
 import os, shutil, subprocess
 
-def untar(tarball_path, parent_path, base):
+def untar(tarball_path: str, parent_path: str, base: str,
+          lazy: bool=False) -> str:
     path = os.path.join(parent_path, base)
+    if lazy and os.path.isdir(path):
+        return path
     try:
         shutil.rmtree(path)
     except FileNotFoundError:
         pass
     os.makedirs(parent_path, exist_ok=True)
     try:
-        subprocess.check_call(['/bin/tar', 'xfC', tarball_path, parent_path])
+        subprocess.check_call(['tar', 'xfC', tarball_path, parent_path])
     except FileNotFoundError:
         import tarfile
         tar = tarfile.open(tarball_path)

python/build/toolchain.py

@@ -0,0 +1,175 @@
+import os.path
+import shutil
+from typing import Union
+
+android_abis = {
+    'armeabi-v7a': {
+        'arch': 'armv7a-linux-androideabi',
+        'ndk_arch': 'arm',
+        'cflags': '-fpic -mfpu=neon -mfloat-abi=softfp',
+    },
+
+    'arm64-v8a': {
+        'arch': 'aarch64-linux-android',
+        'ndk_arch': 'arm64',
+        'cflags': '-fpic',
+    },
+
+    'x86': {
+        'arch': 'i686-linux-android',
+        'ndk_arch': 'x86',
+        'cflags': '-fPIC -march=i686 -mtune=intel -mssse3 -mfpmath=sse -m32',
+    },
+
+    'x86_64': {
+        'arch': 'x86_64-linux-android',
+        'ndk_arch': 'x86_64',
+        'cflags': '-fPIC -m64',
+    },
+}
+
+class AndroidNdkToolchain:
+    def __init__(self, top_path: str, lib_path: str,
+                 tarball_path: str, src_path: str,
+                 ndk_path: str, android_abi: str,
+                 use_cxx):
+        # build host configuration
+        build_arch = 'linux-x86_64'
+
+        # select the NDK target
+        abi_info = android_abis[android_abi]
+        host_triplet = abi_info['arch']
+
+        arch_path = os.path.join(lib_path, host_triplet)
+
+        self.tarball_path = tarball_path
+        self.src_path = src_path
+        self.build_path = os.path.join(arch_path, 'build')
+
+        ndk_arch = abi_info['ndk_arch']
+        android_api_level = '24'
+
+        install_prefix = os.path.join(arch_path, 'root')
+
+        self.host_triplet = host_triplet
+        self.install_prefix = install_prefix
+
+        llvm_path = os.path.join(ndk_path, 'toolchains', 'llvm', 'prebuilt', build_arch)
+        llvm_triple = host_triplet + android_api_level
+
+        common_flags = '-Os -g'
+        common_flags += ' ' + abi_info['cflags']
+
+        llvm_bin = os.path.join(llvm_path, 'bin')
+        self.cc = os.path.join(llvm_bin, 'clang')
+        self.cxx = os.path.join(llvm_bin, 'clang++')
+        common_flags += ' -target ' + llvm_triple
+
+        common_flags += ' -fvisibility=hidden -fdata-sections -ffunction-sections'
+
+        self.ar = os.path.join(llvm_bin, 'llvm-ar')
+        self.arflags = 'rcs'
+        self.ranlib = os.path.join(llvm_bin, 'llvm-ranlib')
+        self.nm = os.path.join(llvm_bin, 'llvm-nm')
+        self.strip = os.path.join(llvm_bin, 'llvm-strip')
+
+        self.cflags = common_flags
+        self.cxxflags = common_flags
+        self.cppflags = ' -isystem ' + os.path.join(install_prefix, 'include')
+        self.ldflags = ' -L' + os.path.join(install_prefix, 'lib') + \
+            ' -Wl,--exclude-libs=ALL' + \
+            ' ' + common_flags
+        self.ldflags = common_flags
+        self.libs = ''
+
+        self.is_arm = ndk_arch == 'arm'
+        self.is_armv7 = self.is_arm and 'armv7' in self.cflags
+        self.is_aarch64 = ndk_arch == 'arm64'
+        self.is_windows = False
+        self.is_android = True
+        self.is_darwin = False
+
+        libstdcxx_flags = ''
+        libstdcxx_cxxflags = ''
+        libstdcxx_ldflags = ''
+        libstdcxx_libs = '-static-libstdc++'
+
+        if self.is_armv7:
+            # On 32 bit ARM, clang generates no ".eh_frame" section;
+            # instead, the LLVM unwinder library is used for unwinding
+            # the stack after a C++ exception was thrown
+            libstdcxx_libs += ' -lunwind'
+
+        if use_cxx:
+            self.cxxflags += ' ' + libstdcxx_cxxflags
+            self.ldflags += ' ' + libstdcxx_ldflags
+            self.libs += ' ' + libstdcxx_libs
+
+        self.env = dict(os.environ)
+
+        # redirect pkg-config to use our root directory instead of the
+        # default one on the build host
+        bin_dir = os.path.join(install_prefix, 'bin')
+        os.makedirs(bin_dir, exist_ok=True)
+        self.pkg_config = shutil.copy(os.path.join(top_path, 'build', 'pkg-config.sh'),
+                                      os.path.join(bin_dir, 'pkg-config'))
+        self.env['PKG_CONFIG'] = self.pkg_config
+
+class MingwToolchain:
+    def __init__(self, top_path: str,
+                 toolchain_path, host_triplet, x64: bool,
+                 tarball_path, src_path, build_path, install_prefix):
+        self.host_triplet = host_triplet
+        self.tarball_path = tarball_path
+        self.src_path = src_path
+        self.build_path = build_path
+        self.install_prefix = install_prefix
+
+        toolchain_bin = os.path.join(toolchain_path, 'bin')
+        self.cc = os.path.join(toolchain_bin, host_triplet + '-gcc')
+        self.cxx = os.path.join(toolchain_bin, host_triplet + '-g++')
+        self.ar = os.path.join(toolchain_bin, host_triplet + '-ar')
+        self.arflags = 'rcs'
+        self.ranlib = os.path.join(toolchain_bin, host_triplet + '-ranlib')
+        self.nm = os.path.join(toolchain_bin, host_triplet + '-nm')
+        self.strip = os.path.join(toolchain_bin, host_triplet + '-strip')
+        self.windres = os.path.join(toolchain_bin, host_triplet + '-windres')
+
+        common_flags = '-O2 -g'
+
+        if not x64:
+            # enable SSE support which is required for LAME
+            common_flags += ' -march=pentium3'
+
+        self.cflags = common_flags
+        self.cxxflags = common_flags
+        self.cppflags = '-isystem ' + os.path.join(install_prefix, 'include') + \
+                        ' -DWINVER=0x0600 -D_WIN32_WINNT=0x0600'
+        self.ldflags = '-L' + os.path.join(install_prefix, 'lib') + \
+                       ' -static-libstdc++ -static-libgcc'
+        self.libs = ''
+
+        # Explicitly disable _FORTIFY_SOURCE because it is broken with
+        # mingw.  This prevents some libraries such as libFLAC to
+        # enable it.
+        self.cppflags += ' -D_FORTIFY_SOURCE=0'
+
+        self.is_arm = host_triplet.startswith('arm')
+        self.is_armv7 = self.is_arm and 'armv7' in self.cflags
+        self.is_aarch64 = host_triplet == 'aarch64'
+        self.is_windows = 'mingw32' in host_triplet
+        self.is_android = False
+        self.is_darwin = False
+
+        self.env = dict(os.environ)
+
+        # redirect pkg-config to use our root directory instead of the
+        # default one on the build host
+        import shutil
+        bin_dir = os.path.join(install_prefix, 'bin')
+        os.makedirs(bin_dir, exist_ok=True)
+        self.pkg_config = shutil.copy(os.path.join(top_path, 'build', 'pkg-config.sh'),
+                                      os.path.join(bin_dir, 'pkg-config'))
+        self.env['PKG_CONFIG'] = self.pkg_config
+
+AnyToolchain = Union[AndroidNdkToolchain, MingwToolchain]

python/build/verify.py

@@ -1,6 +1,7 @@
 import hashlib
+from typing import cast, Any, BinaryIO
 
-def feed_file(h, f):
+def feed_file(h: Any, f: BinaryIO) -> None:
     """Feed data read from an open file into the hashlib instance."""
 
     while True:
@@ -10,20 +11,20 @@ def feed_file(h, f):
             break
         h.update(data)
 
-def feed_file_path(h, path):
+def feed_file_path(h: Any, path: str) -> None:
     """Feed data read from a file (to be opened by this function) into the hashlib instance."""
 
     with open(path, 'rb') as f:
         feed_file(h, f)
 
-def file_digest(algorithm, path):
+def file_digest(algorithm: Any, path: str) -> str:
     """Calculate the digest of a file and return it in hexadecimal notation."""
 
     h = algorithm()
     feed_file_path(h, path)
-    return h.hexdigest()
+    return cast(str, h.hexdigest())
 
-def guess_digest_algorithm(digest):
+def guess_digest_algorithm(digest: str) -> Any:
     l = len(digest)
     if l == 32:
         return hashlib.md5
@@ -36,7 +37,7 @@ def guess_digest_algorithm(digest):
     else:
         return None
 
-def verify_file_digest(path, expected_digest):
+def verify_file_digest(path: str, expected_digest: str) -> bool:
     """Verify the digest of a file, and return True if the digest matches with the given expected digest."""
 
     algorithm = guess_digest_algorithm(expected_digest)

python/build/zlib.py

@@ -1,22 +1,34 @@
-import os.path, subprocess
+import subprocess
+from typing import Optional, Sequence, Union
 
-from build.project import Project
+from build.makeproject import MakeProject
+from .toolchain import AnyToolchain
 
-class ZlibProject(Project):
-    def __init__(self, url, md5, installed,
+class ZlibProject(MakeProject):
+    def __init__(self, url: Union[str, Sequence[str]], md5: str, installed: str,
                  **kwargs):
-        Project.__init__(self, url, md5, installed, **kwargs)
+        MakeProject.__init__(self, url, md5, installed, **kwargs)
 
-    def _build(self, toolchain):
+    def get_make_args(self, toolchain: AnyToolchain) -> list[str]:
+        return MakeProject.get_make_args(self, toolchain) + [
+            'CC=' + toolchain.cc + ' ' + toolchain.cppflags + ' ' + toolchain.cflags,
+            'CPP=' + toolchain.cc + ' -E ' + toolchain.cppflags,
+            'AR=' + toolchain.ar,
+            'ARFLAGS=' + toolchain.arflags,
+            'RANLIB=' + toolchain.ranlib,
+            'LDSHARED=' + toolchain.cc + ' -shared',
+            'libz.a'
+        ]
+
+    def get_make_install_args(self, toolchain: AnyToolchain) -> list[str]:
+        return [
+            'RANLIB=' + toolchain.ranlib,
+            self.install_target
+        ]
+
+    def _build(self, toolchain: AnyToolchain) -> None:
         src = self.unpack(toolchain, out_of_tree=False)
 
-        subprocess.check_call(['/usr/bin/make', '--quiet',
-            '-f', 'win32/Makefile.gcc',
-            'PREFIX=' + toolchain.arch + '-',
-            '-j12',
-            'install',
-            'INCLUDE_PATH='+ os.path.join(toolchain.install_prefix, 'include'),
-            'LIBRARY_PATH=' + os.path.join(toolchain.install_prefix, 'lib'),
-            'BINARY_PATH=' + os.path.join(toolchain.install_prefix, 'bin'),
-            ],
-            cwd=src, env=toolchain.env)
+        subprocess.check_call(['./configure', '--prefix=' + toolchain.install_prefix, '--static'],
+                              cwd=src, env=toolchain.env)
+        self.build_make(toolchain, src)

src/CommandLine.cxx

@@ -352,12 +352,16 @@ ParseCommandLine(int argc, char **argv, CommandLineOptions &options,
 			break;
 
 		case OPTION_NO_DAEMON:
+#ifdef ENABLE_DAEMON
 			options.daemon = false;
+#endif
 			break;
 
 #ifdef __linux__
 		case OPTION_SYSTEMD:
+#ifdef ENABLE_DAEMON
 			options.daemon = false;
+#endif
 			options.systemd = true;
 			break;
 #endif

src/CommandLine.hxx

@@ -20,11 +20,18 @@
 #ifndef MPD_COMMAND_LINE_HXX
 #define MPD_COMMAND_LINE_HXX
 
+#include "config.h" // for ENABLE_DAEMON
+
 struct ConfigData;
 
 struct CommandLineOptions {
 	bool kill = false;
+
+#ifdef ENABLE_DAEMON
 	bool daemon = true;
+#else
+	static constexpr bool daemon = false;
+#endif
 
 #ifdef __linux__
 	bool systemd = false;

src/Log.hxx

@@ -45,7 +45,10 @@ void
 LogFmt(LogLevel level, const Domain &domain,
        const S &format_str, Args&&... args) noexcept
 {
-#if FMT_VERSION >= 70000
+#if FMT_VERSION >= 90000
+	return LogVFmt(level, domain, format_str,
+		       fmt::make_format_args(args...));
+#elif FMT_VERSION >= 70000
 	return LogVFmt(level, domain, fmt::to_string_view(format_str),
 		       fmt::make_args_checked<Args...>(format_str,
 						       args...));

src/LogInit.cxx

@@ -158,12 +158,15 @@ log_init(const ConfigData &config, bool verbose, bool use_stdout)
 			    getenv("NOTIFY_SOCKET") != nullptr) {
 				/* if MPD was started as a systemd
 				   service, default to journal (which
-				   is connected to fd=2) */
+				   is connected to stdout&stderr) */
 				out_fd = STDOUT_FILENO;
 				return;
 			}
 #endif
-#ifndef HAVE_SYSLOG
+#ifdef _WIN32
+			/* default to stdout on Windows */
+			out_fd = STDOUT_FILENO;
+#elif !defined(HAVE_SYSLOG)
 			throw std::runtime_error("config parameter 'log_file' not found");
 #endif
 #ifdef HAVE_SYSLOG

src/Main.cxx

@@ -482,7 +482,10 @@ MainConfigured(const CommandLineOptions &options,
 #ifndef ANDROID
 	setup_log_output();
 
-	const ScopeSignalHandlersInit signal_handlers_init(instance);
+	const ScopeSignalHandlersInit signal_handlers_init{
+		instance,
+		options.daemon,
+	};
 #endif
 
 	instance.io_thread.Start();
@@ -590,19 +593,46 @@ MainConfigured(const CommandLineOptions &options,
 
 #ifdef ANDROID
 
+/**
+ * Wrapper for ReadConfigFile() which returns false if the file was
+ * not found.
+ */
+static bool
+TryReadConfigFile(ConfigData &config, Path path)
+{
+	if (!FileExists(path))
+		return false;
+
+	ReadConfigFile(config, path);
+	return true;
+}
+
 static void
-AndroidMain()
+LoadConfigFile(JNIEnv *env, ConfigData &config)
+{
+	/* try loading mpd.conf from
+	   "Android/data/org.musicpd/files/mpd.conf" (the app specific
+	   data directory) first */
+	if (const auto dir = context->GetExternalFilesDir(env);
+	    !dir.IsNull() &&
+	    TryReadConfigFile(config, dir / Path::FromFS("mpd.conf")))
+		return;
+
+	/* if that fails, attempt to load "mpd.conf" from the root of
+	   the SD card (pre-0.23.9, ceases to work since Android
+	   12) */
+	if (const auto dir = Environment::getExternalStorageDirectory(env);
+	    !dir.IsNull())
+		TryReadConfigFile(config, dir / Path::FromFS("mpd.conf"));
+}
+
+static void
+AndroidMain(JNIEnv *env)
 {
 	CommandLineOptions options;
 	ConfigData raw_config;
 
-	const auto sdcard = Environment::getExternalStorageDirectory();
-	if (!sdcard.IsNull()) {
-		const auto config_path =
-			sdcard / Path::FromFS("mpd.conf");
-		if (FileExists(config_path))
-			ReadConfigFile(raw_config, config_path);
-	}
+	LoadConfigFile(env, raw_config);
 
 	MainConfigured(options, raw_config);
 }
@@ -614,9 +644,12 @@ Java_org_musicpd_Bridge_run(JNIEnv *env, jclass, jobject _context, jobject _logL
 	Java::Init(env);
 	Java::Object::Initialise(env);
 	Java::File::Initialise(env);
+
 	Environment::Initialise(env);
 	AtScopeExit(env) { Environment::Deinitialise(env); };
 
+	Context::Initialise(env);
+
 	context = new Context(env, _context);
 	AtScopeExit() { delete context; };
 
@@ -625,7 +658,7 @@ Java_org_musicpd_Bridge_run(JNIEnv *env, jclass, jobject _context, jobject _logL
 	AtScopeExit() { delete logListener; };
 
 	try {
-		AndroidMain();
+		AndroidMain(env);
 	} catch (...) {
 		LogError(std::current_exception());
 	}

src/Partition.cxx

@@ -23,7 +23,6 @@
 #include "Log.hxx"
 #include "lib/fmt/ExceptionFormatter.hxx"
 #include "song/DetachedSong.hxx"
-#include "mixer/Volume.hxx"
 #include "IdleFlags.hxx"
 #include "client/Listener.hxx"
 #include "client/Client.hxx"
@@ -206,7 +205,7 @@ Partition::OnBorderPause() noexcept
 void
 Partition::OnMixerVolumeChanged(Mixer &, int) noexcept
 {
-	InvalidateHardwareVolume();
+	mixer_memento.InvalidateHardwareVolume();
 
 	/* notify clients */
 	EmitIdle(IDLE_MIXER);

src/Partition.hxx

@@ -25,6 +25,7 @@
 #include "queue/Listener.hxx"
 #include "output/MultipleOutputs.hxx"
 #include "mixer/Listener.hxx"
+#include "mixer/Memento.hxx"
 #include "player/Control.hxx"
 #include "player/Listener.hxx"
 #include "protocol/RangeArg.hxx"
@@ -76,6 +77,8 @@ struct Partition final : QueueListener, PlayerListener, MixerListener {
 
 	MultipleOutputs outputs;
 
+	MixerMemento mixer_memento;
+
 	PlayerControl pc;
 
 	ReplayGainMode replay_gain_mode = ReplayGainMode::OFF;

src/PlaylistFile.cxx

@@ -81,6 +81,9 @@ spl_valid_name(const char *name_utf8)
 	 */
 
 	return std::strchr(name_utf8, '/') == nullptr &&
+#ifdef _WIN32
+		std::strchr(name_utf8, '\\') == nullptr &&
+#endif
 		std::strchr(name_utf8, '\n') == nullptr &&
 		std::strchr(name_utf8, '\r') == nullptr;
 }

src/RemoteTagCache.hxx

@@ -28,7 +28,11 @@
 #include <boost/intrusive/list.hpp>
 #include <boost/intrusive/unordered_set.hpp>
 
+#include <array>
+#include <functional>
+#include <memory>
 #include <string>
+#include <utility>
 
 class RemoteTagCacheHandler;
 

src/SongPrint.cxx

@@ -24,6 +24,7 @@
 #include "TagPrint.hxx"
 #include "client/Response.hxx"
 #include "fs/Traits.hxx"
+#include "lib/fmt/AudioFormatFormatter.hxx"
 #include "time/ChronoUtil.hxx"
 #include "util/StringBuffer.hxx"
 #include "util/UriUtil.hxx"
@@ -93,7 +94,7 @@ song_print_info(Response &r, const LightSong &song, bool base) noexcept
 		time_print(r, "Last-Modified", song.mtime);
 
 	if (song.audio_format.IsDefined())
-		r.Fmt(FMT_STRING("Format: {}\n"), ToString(song.audio_format));
+		r.Fmt(FMT_STRING("Format: {}\n"), song.audio_format);
 
 	tag_print_values(r, song.tag);
 
@@ -116,7 +117,7 @@ song_print_info(Response &r, const DetachedSong &song, bool base) noexcept
 		time_print(r, "Last-Modified", song.GetLastModified());
 
 	if (const auto &f = song.GetAudioFormat(); f.IsDefined())
-		r.Fmt(FMT_STRING("Format: {}\n"), ToString(f));
+		r.Fmt(FMT_STRING("Format: {}\n"), f);
 
 	tag_print_values(r, song.GetTag());
 

src/SongSave.cxx

@@ -63,6 +63,9 @@ song_save(BufferedOutputStream &os, const Song &song)
 	if (song.audio_format.IsDefined())
 		os.Format("Format: %s\n", ToString(song.audio_format).c_str());
 
+	if (song.in_playlist)
+		os.Write("InPlaylist: yes\n");
+
 	if (!IsNegative(song.mtime))
 		os.Format(SONG_MTIME ": %li\n",
 			  (long)std::chrono::system_clock::to_time_t(song.mtime));
@@ -86,7 +89,7 @@ song_save(BufferedOutputStream &os, const DetachedSong &song)
 
 DetachedSong
 song_load(LineReader &file, const char *uri,
-	  std::string *target_r)
+	  std::string *target_r, bool *in_playlist_r)
 {
 	DetachedSong song(uri);
 
@@ -132,6 +135,9 @@ song_load(LineReader &file, const char *uri,
 
 			song.SetStartTime(SongTime::FromMS(start_ms));
 			song.SetEndTime(SongTime::FromMS(end_ms));
+		} else if (StringIsEqual(line, "InPlaylist")) {
+			if (in_playlist_r != nullptr)
+				*in_playlist_r = StringIsEqual(value, "yes");
 		} else {
 			throw FormatRuntimeError("unknown line in db: %s", line);
 		}

src/SongSave.hxx

@@ -44,6 +44,6 @@ song_save(BufferedOutputStream &os, const DetachedSong &song);
  */
 DetachedSong
 song_load(LineReader &file, const char *uri,
-	  std::string *target_r=nullptr);
+	  std::string *target_r=nullptr, bool *in_playlist_r=nullptr);
 
 #endif

src/StateFile.cxx

@@ -27,7 +27,6 @@
 #include "storage/StorageState.hxx"
 #include "Partition.hxx"
 #include "Instance.hxx"
-#include "mixer/Volume.hxx"
 #include "SongLoader.hxx"
 #include "util/Domain.hxx"
 #include "Log.hxx"
@@ -47,7 +46,7 @@ StateFile::StateFile(StateFileConfig &&_config,
 void
 StateFile::RememberVersions() noexcept
 {
-	prev_volume_version = sw_volume_state_get_hash();
+	prev_volume_version = partition.mixer_memento.GetSoftwareVolumeStateHash();
 	prev_output_version = audio_output_state_get_version();
 	prev_playlist_version = playlist_state_get_hash(partition.playlist,
 							partition.pc);
@@ -59,7 +58,7 @@ StateFile::RememberVersions() noexcept
 bool
 StateFile::IsModified() const noexcept
 {
-	return prev_volume_version != sw_volume_state_get_hash() ||
+	return prev_volume_version != partition.mixer_memento.GetSoftwareVolumeStateHash() ||
 		prev_output_version != audio_output_state_get_version() ||
 		prev_playlist_version != playlist_state_get_hash(partition.playlist,
 								 partition.pc)
@@ -72,7 +71,7 @@ StateFile::IsModified() const noexcept
 inline void
 StateFile::Write(BufferedOutputStream &os)
 {
-	save_sw_volume_state(os);
+	partition.mixer_memento.SaveSoftwareVolumeState(os);
 	audio_output_state_save(os, partition.outputs);
 
 #ifdef ENABLE_DATABASE
@@ -125,7 +124,7 @@ try {
 
 	const char *line;
 	while ((line = file.ReadLine()) != nullptr) {
-		success = read_sw_volume_state(line, partition.outputs) ||
+		success = partition.mixer_memento.LoadSoftwareVolumeState(line, partition.outputs) ||
 			audio_output_state_read(line, partition.outputs) ||
 			playlist_state_restore(config, line, file, song_loader,
 					       partition.playlist,

src/StateFileConfig.cxx

@@ -32,7 +32,7 @@ StateFileConfig::StateFileConfig(const ConfigData &config)
 {
 #ifdef ANDROID
 	if (path.IsNull()) {
-		const auto cache_dir = GetUserCacheDir();
+		const auto cache_dir = GetAppCacheDir();
 		if (cache_dir.IsNull())
 			return;
 

src/TagPrint.cxx

@@ -35,8 +35,9 @@ tag_print_types(Response &r) noexcept
 }
 
 void
-tag_print(Response &r, TagType type, StringView value) noexcept
+tag_print(Response &r, TagType type, StringView _value) noexcept
 {
+	const std::string_view value{_value};
 	r.Fmt(FMT_STRING("{}: {}\n"), tag_item_names[type], value);
 }
 

src/TimePrint.cxx

@@ -36,5 +36,5 @@ time_print(Response &r, const char *name,
 		return;
 	}
 
-	r.Fmt(FMT_STRING("{}: {}\n"), name, s);
+	r.Fmt(FMT_STRING("{}: {}\n"), name, s.c_str());
 }

src/android/Context.cxx

@@ -26,19 +26,30 @@
 
 #include "AudioManager.hxx"
 
-AllocatedPath
-Context::GetExternalFilesDir(JNIEnv *env, const char *_type) noexcept
+static jmethodID getExternalFilesDir_method,
+  getCacheDir_method,
+  getSystemService_method;
+
+void
+Context::Initialise(JNIEnv *env) noexcept
 {
-	assert(_type != nullptr);
+	Java::Class cls{env, "android/content/Context"};
 
-	Java::Class cls{env, env->GetObjectClass(Get())};
-	jmethodID method = env->GetMethodID(cls, "getExternalFilesDir",
-					    "(Ljava/lang/String;)Ljava/io/File;");
-	assert(method);
+	getExternalFilesDir_method = env->GetMethodID(cls, "getExternalFilesDir",
+						      "(Ljava/lang/String;)Ljava/io/File;");
+	getCacheDir_method = env->GetMethodID(cls, "getCacheDir",
+					      "()Ljava/io/File;");
+	getSystemService_method = env->GetMethodID(cls, "getSystemService",
+						   "(Ljava/lang/String;)Ljava/lang/Object;");
+}
 
-	Java::String type{env, _type};
+AllocatedPath
+Context::GetExternalFilesDir(JNIEnv *env, const char *type) noexcept
+{
+	assert(type != nullptr);
 
-	jobject file = env->CallObjectMethod(Get(), method, type.Get());
+	jobject file = env->CallObjectMethod(Get(), getExternalFilesDir_method,
+					     Java::String::Optional(env, type).Get());
 	if (Java::DiscardException(env) || file == nullptr)
 		return nullptr;
 
@@ -50,12 +61,7 @@ Context::GetCacheDir(JNIEnv *env) const noexcept
 {
 	assert(env != nullptr);
 
-	Java::Class cls(env, env->GetObjectClass(Get()));
-	jmethodID method = env->GetMethodID(cls, "getCacheDir",
-					    "()Ljava/io/File;");
-	assert(method);
-
-	jobject file = env->CallObjectMethod(Get(), method);
+	jobject file = env->CallObjectMethod(Get(), getCacheDir_method);
 	if (Java::DiscardException(env) || file == nullptr)
 		return nullptr;
 
@@ -67,13 +73,8 @@ Context::GetAudioManager(JNIEnv *env) noexcept
 {
 	assert(env != nullptr);
 
-	Java::Class cls(env, env->GetObjectClass(Get()));
-	jmethodID method = env->GetMethodID(cls, "getSystemService",
-					    "(Ljava/lang/String;)Ljava/lang/Object;");
-	assert(method);
-
 	Java::String name(env, "audio");
-	jobject am = env->CallObjectMethod(Get(), method, name.Get());
+	jobject am = env->CallObjectMethod(Get(), getSystemService_method, name.Get());
 	if (Java::DiscardException(env) || am == nullptr)
 		return nullptr;
 

src/android/Context.hxx

@@ -27,12 +27,21 @@ class AudioManager;
 
 class Context : public Java::GlobalObject {
 public:
+	/**
+	 * Global initialisation.  Looks up the methods of the
+	 * Context Java class.
+	 */
+	static void Initialise(JNIEnv *env) noexcept;
+
 	Context(JNIEnv *env, jobject obj) noexcept
 		:Java::GlobalObject(env, obj) {}
 
+	/**
+	 * @param type the subdirectory name; may be nullptr
+	 */
 	[[gnu::pure]]
 	AllocatedPath GetExternalFilesDir(JNIEnv *env,
-					  const char *type) noexcept;
+					  const char *type=nullptr) noexcept;
 
 	[[gnu::pure]]
 	AllocatedPath GetCacheDir(JNIEnv *env) const noexcept;

src/android/Environment.cxx

@@ -25,13 +25,13 @@
 #include "fs/AllocatedPath.hxx"
 
 namespace Environment {
-	static Java::TrivialClass cls;
-	static jmethodID getExternalStorageDirectory_method;
-	static jmethodID getExternalStoragePublicDirectory_method;
-}
+
+static Java::TrivialClass cls;
+static jmethodID getExternalStorageDirectory_method;
+static jmethodID getExternalStoragePublicDirectory_method;
 
 void
-Environment::Initialise(JNIEnv *env) noexcept
+Initialise(JNIEnv *env) noexcept
 {
 	cls.Find(env, "android/os/Environment");
 
@@ -45,16 +45,14 @@ Environment::Initialise(JNIEnv *env) noexcept
 }
 
 void
-Environment::Deinitialise(JNIEnv *env) noexcept
+Deinitialise(JNIEnv *env) noexcept
 {
 	cls.Clear(env);
 }
 
 AllocatedPath
-Environment::getExternalStorageDirectory() noexcept
+getExternalStorageDirectory(JNIEnv *env) noexcept
 {
-	JNIEnv *env = Java::GetEnv();
-
 	jobject file =
 		env->CallStaticObjectMethod(cls,
 					    getExternalStorageDirectory_method);
@@ -65,20 +63,20 @@ Environment::getExternalStorageDirectory() noexcept
 }
 
 AllocatedPath
-Environment::getExternalStoragePublicDirectory(const char *type) noexcept
+getExternalStoragePublicDirectory(JNIEnv *env, const char *type) noexcept
 {
 	if (getExternalStoragePublicDirectory_method == nullptr)
 		/* needs API level 8 */
 		return nullptr;
 
-	JNIEnv *env = Java::GetEnv();
-
 	Java::String type2(env, type);
-	jobject file = env->CallStaticObjectMethod(Environment::cls,
-						   Environment::getExternalStoragePublicDirectory_method,
+	jobject file = env->CallStaticObjectMethod(cls,
+						   getExternalStoragePublicDirectory_method,
 						   type2.Get());
 	if (file == nullptr)
 		return nullptr;
 
 	return Java::File::ToAbsolutePath(env, file);
 }
+
+} // namespace Environment

src/android/Environment.hxx

@@ -17,27 +17,29 @@
  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  */
 
-#ifndef MPD_ANDROID_ENVIRONMENT_HXX
-#define MPD_ANDROID_ENVIRONMENT_HXX
-
-#include "util/Compiler.h"
+#pragma once
 
 #include <jni.h>
 
 class AllocatedPath;
 
 namespace Environment {
-	void Initialise(JNIEnv *env) noexcept;
-	void Deinitialise(JNIEnv *env) noexcept;
 
-	/**
-	 * Determine the mount point of the external SD card.
-	 */
-	[[gnu::pure]]
-	AllocatedPath getExternalStorageDirectory() noexcept;
+void
+Initialise(JNIEnv *env) noexcept;
 
-	[[gnu::pure]]
-	AllocatedPath getExternalStoragePublicDirectory(const char *type) noexcept;
-}
+void
+Deinitialise(JNIEnv *env) noexcept;
 
-#endif
+/**
+ * Determine the mount point of the external SD card.
+ */
+[[gnu::pure]]
+AllocatedPath
+getExternalStorageDirectory(JNIEnv *env) noexcept;
+
+[[gnu::pure]]
+AllocatedPath
+getExternalStoragePublicDirectory(JNIEnv *env, const char *type) noexcept;
+
+} // namespace Environment

src/apple/Throw.cxx

@@ -31,6 +31,7 @@
 #include "ErrorRef.hxx"
 #include "StringRef.hxx"
 
+#include <cstring>
 #include <stdexcept>
 
 namespace Apple {
@@ -57,8 +58,8 @@ ThrowOSStatus(OSStatus status, const char *_msg)
 	const Apple::StringRef cfstr(cferr.CopyDescription());
 
 	char msg[1024];
-	strcpy(msg, _msg);
-	size_t length = strlen(msg);
+	std::strcpy(msg, _msg);
+	size_t length = std::strlen(msg);
 
 	cfstr.GetCString(msg + length, sizeof(msg) - length);
 	throw std::runtime_error(msg);

src/archive/plugins/Iso9660ArchivePlugin.cxx

@@ -166,7 +166,7 @@ class Iso9660InputStream final : public InputStream {
 			assert(fill <= data.size());
 			assert(position <= fill);
 
-			return {&data[position], &data[fill]};
+			return {data.data() + position, data.data() + fill};
 		}
 
 		void Consume(size_t nbytes) noexcept {

src/archive/plugins/meson.build

@@ -22,6 +22,10 @@ if libzzip_dep.found()
   found_archive_plugin = true
 endif
 
+if not found_archive_plugin
+  subdir_done()
+endif
+
 archive_plugins = static_library(
   'archive_plugins',
   archive_plugins_sources,

src/client/Response.hxx

@@ -82,7 +82,10 @@ public:
 
 	template<typename S, typename... Args>
 	bool Fmt(const S &format_str, Args&&... args) noexcept {
-#if FMT_VERSION >= 70000
+#if FMT_VERSION >= 90000
+		return VFmt(format_str,
+			    fmt::make_format_args(args...));
+#elif FMT_VERSION >= 70000
 		return VFmt(fmt::to_string_view(format_str),
 			    fmt::make_args_checked<Args...>(format_str,
 							    args...));
@@ -109,7 +112,10 @@ public:
 	template<typename S, typename... Args>
 	void FmtError(enum ack code,
 		      const S &format_str, Args&&... args) noexcept {
-#if FMT_VERSION >= 70000
+#if FMT_VERSION >= 90000
+		return VFmtError(code, format_str,
+				 fmt::make_format_args(args...));
+#elif FMT_VERSION >= 70000
 		return VFmtError(code, fmt::to_string_view(format_str),
 				 fmt::make_args_checked<Args...>(format_str,
 								 args...));

src/command/DatabaseCommands.cxx

@@ -41,6 +41,8 @@
 #include <memory>
 #include <vector>
 
+#include <limits.h> // for UINT_MAX
+
 CommandResult
 handle_listfiles_db(Client &client, Response &r, const char *uri)
 {

src/command/FileCommands.cxx

@@ -100,10 +100,6 @@ handle_listfiles_local(Response &r, Path path_fs)
 	return CommandResult::OK;
 }
 
-#if defined(_WIN32) && GCC_CHECK_VERSION(4,6)
-#pragma GCC diagnostic pop
-#endif
-
 gcc_pure
 static bool
 IsValidName(const StringView s) noexcept
@@ -130,7 +126,8 @@ public:
 	explicit PrintCommentHandler(Response &_response) noexcept
 		:NullTagHandler(WANT_PAIR), response(_response) {}
 
-	void OnPair(StringView key, StringView value) noexcept override {
+	void OnPair(StringView _key, StringView _value) noexcept override {
+		const std::string_view key{_key}, value{_value};
 		if (IsValidName(key) && IsValidValue(value))
 			response.Fmt(FMT_STRING("{}: {}\n"), key, value);
 	}

src/command/OtherCommands.cxx

@@ -33,7 +33,6 @@
 #include "TimePrint.hxx"
 #include "decoder/DecoderPrint.hxx"
 #include "ls.hxx"
-#include "mixer/Volume.hxx"
 #include "time/ChronoUtil.hxx"
 #include "util/UriUtil.hxx"
 #include "util/StringAPI.hxx"
@@ -325,7 +324,7 @@ handle_getvol(Client &client, Request, Response &r)
 {
 	auto &partition = client.GetPartition();
 
-	const auto volume = volume_level_get(partition.outputs);
+	const auto volume = partition.mixer_memento.GetVolume(partition.outputs);
 	if (volume >= 0)
 		r.Fmt(FMT_STRING("volume: {}\n"), volume);
 
@@ -333,15 +332,13 @@ handle_getvol(Client &client, Request, Response &r)
 }
 
 CommandResult
-handle_setvol(Client &client, Request args, Response &r)
+handle_setvol(Client &client, Request args, Response &)
 {
 	unsigned level = args.ParseUnsigned(0, 100);
 
-	if (!volume_level_change(client.GetPartition().outputs, level)) {
-		r.Error(ACK_ERROR_SYSTEM, "problems setting volume");
-		return CommandResult::ERROR;
-	}
-
+	auto &partition = client.GetPartition();
+	partition.mixer_memento.SetVolume(partition.outputs, level);
+	partition.EmitIdle(IDLE_MIXER);
 	return CommandResult::OK;
 }
 
@@ -350,9 +347,11 @@ handle_volume(Client &client, Request args, Response &r)
 {
 	int relative = args.ParseInt(0, -100, 100);
 
-	auto &outputs = client.GetPartition().outputs;
+	auto &partition = client.GetPartition();
+	auto &outputs = partition.outputs;
+	auto &mixer_memento = partition.mixer_memento;
 
-	const int old_volume = volume_level_get(outputs);
+	const int old_volume = mixer_memento.GetVolume(outputs);
 	if (old_volume < 0) {
 		r.Error(ACK_ERROR_SYSTEM, "No mixer");
 		return CommandResult::ERROR;
@@ -364,10 +363,9 @@ handle_volume(Client &client, Request args, Response &r)
 	else if (new_volume > 100)
 		new_volume = 100;
 
-	if (new_volume != old_volume &&
-	    !volume_level_change(outputs, new_volume)) {
-		r.Error(ACK_ERROR_SYSTEM, "problems setting volume");
-		return CommandResult::ERROR;
+	if (new_volume != old_volume) {
+		mixer_memento.SetVolume(outputs, new_volume);
+		partition.EmitIdle(IDLE_MIXER);
 	}
 
 	return CommandResult::OK;

src/command/OutputCommands.cxx

@@ -33,7 +33,11 @@ handle_enableoutput(Client &client, Request args, Response &r)
 	assert(args.size == 1);
 	unsigned device = args.ParseUnsigned(0);
 
-	if (!audio_output_enable_index(client.GetPartition().outputs, device)) {
+	auto &partition = client.GetPartition();
+
+	if (!audio_output_enable_index(partition.outputs,
+				       partition.mixer_memento,
+				       device)) {
 		r.Error(ACK_ERROR_NO_EXIST, "No such audio output");
 		return CommandResult::ERROR;
 	}
@@ -47,7 +51,11 @@ handle_disableoutput(Client &client, Request args, Response &r)
 	assert(args.size == 1);
 	unsigned device = args.ParseUnsigned(0);
 
-	if (!audio_output_disable_index(client.GetPartition().outputs, device)) {
+	auto &partition = client.GetPartition();
+
+	if (!audio_output_disable_index(partition.outputs,
+					partition.mixer_memento,
+					device)) {
 		r.Error(ACK_ERROR_NO_EXIST, "No such audio output");
 		return CommandResult::ERROR;
 	}
@@ -61,7 +69,11 @@ handle_toggleoutput(Client &client, Request args, Response &r)
 	assert(args.size == 1);
 	unsigned device = args.ParseUnsigned(0);
 
-	if (!audio_output_toggle_index(client.GetPartition().outputs, device)) {
+	auto &partition = client.GetPartition();
+
+	if (!audio_output_toggle_index(partition.outputs,
+					partition.mixer_memento,
+				       device)) {
 		r.Error(ACK_ERROR_NO_EXIST, "No such audio output");
 		return CommandResult::ERROR;
 	}

src/command/PlayerCommands.cxx

@@ -25,10 +25,10 @@
 #include "SingleMode.hxx"
 #include "client/Client.hxx"
 #include "client/Response.hxx"
-#include "mixer/Volume.hxx"
 #include "Partition.hxx"
 #include "Instance.hxx"
 #include "IdleFlags.hxx"
+#include "lib/fmt/AudioFormatFormatter.hxx"
 #include "util/StringBuffer.hxx"
 #include "util/ScopeExit.hxx"
 #include "util/Exception.hxx"
@@ -131,7 +131,7 @@ handle_status(Client &client, [[maybe_unused]] Request args, Response &r)
 
 	const auto &playlist = partition.playlist;
 
-	const auto volume = volume_level_get(partition.outputs);
+	const auto volume = partition.mixer_memento.GetVolume(partition.outputs);
 	if (volume >= 0)
 		r.Fmt(FMT_STRING("volume: {}\n"), volume);
 
@@ -186,7 +186,7 @@ handle_status(Client &client, [[maybe_unused]] Request args, Response &r)
 
 		if (player_status.audio_format.IsDefined())
 			r.Fmt(FMT_STRING(COMMAND_STATUS_AUDIO ": {}\n"),
-			      ToString(player_status.audio_format));
+			      player_status.audio_format);
 	}
 
 #ifdef ENABLE_DATABASE

src/command/StorageCommands.cxx

@@ -83,10 +83,6 @@ handle_listfiles_storage(Response &r, StorageDirectoryReader &reader)
 	}
 }
 
-#if defined(_WIN32) && GCC_CHECK_VERSION(4,6)
-#pragma GCC diagnostic pop
-#endif
-
 CommandResult
 handle_listfiles_storage(Response &r, Storage &storage, const char *uri)
 {

src/db/Configured.cxx

@@ -24,6 +24,7 @@
 #include "config/Param.hxx"
 #include "config/Block.hxx"
 #include "fs/AllocatedPath.hxx"
+#include "fs/FileSystem.hxx"
 #include "fs/StandardDirectory.hxx"
 #include "util/RuntimeError.hxx"
 
@@ -51,17 +52,30 @@ CreateConfiguredDatabase(const ConfigData &config,
 	} else {
 		/* if there is no override, use the cache directory */
 
-		const AllocatedPath cache_dir = GetUserCacheDir();
+		const AllocatedPath cache_dir = GetAppCacheDir();
 		if (cache_dir.IsNull())
 			return nullptr;
 
-		const auto db_file = cache_dir / Path::FromFS(PATH_LITERAL("mpd.db"));
+		const auto db_file = cache_dir / Path::FromFS(PATH_LITERAL("db"));
 		auto db_file_utf8 = db_file.ToUTF8();
 		if (db_file_utf8.empty())
 			return nullptr;
 
 		ConfigBlock block;
 		block.AddBlockParam("path", std::move(db_file_utf8), -1);
+
+		{
+			const auto mounts_dir = cache_dir
+				/ Path::FromFS(PATH_LITERAL("mounts"));
+			CreateDirectoryNoThrow(mounts_dir);
+
+			if (auto mounts_dir_utf8 = mounts_dir.ToUTF8();
+			    !mounts_dir_utf8.empty())
+				block.AddBlockParam("cache_directory",
+						    std::move(mounts_dir_utf8),
+						    -1);
+		}
+
 		return DatabaseGlobalInit(main_event_loop, io_event_loop,
 					  listener, block);
 	}

src/db/plugins/simple/Directory.cxx

@@ -126,6 +126,18 @@ Directory::LookupTargetSong(std::string_view _target) noexcept
 	return lr.directory->FindSong(lr.rest);
 }
 
+void
+Directory::ClearInPlaylist() noexcept
+{
+	assert(holding_db_lock());
+
+	for (auto &child : children)
+		child.ClearInPlaylist();
+
+	for (auto &song : songs)
+		song.in_playlist = false;
+}
+
 void
 Directory::PruneEmpty() noexcept
 {

src/db/plugins/simple/Directory.hxx

@@ -287,6 +287,14 @@ public:
 	 */
 	SongPtr RemoveSong(Song *song) noexcept;
 
+	/**
+	 * Recursively walk through the whole tree and set all
+	 * `Song::in_playlist` fields to `false`.
+	 *
+	 * Caller must lock the #db_mutex.
+	 */
+	void ClearInPlaylist() noexcept;
+
 	/**
 	 * Caller must lock the #db_mutex.
 	 */

src/db/plugins/simple/DirectorySave.cxx

@@ -168,12 +168,14 @@ directory_load(LineReader &file, Directory &directory)
 				throw FormatRuntimeError("Duplicate song '%s'", name);
 
 			std::string target;
+			bool in_playlist = false;
 			auto detached_song = song_load(file, name,
-						       &target);
+						       &target, &in_playlist);
 
 			auto song = std::make_unique<Song>(std::move(detached_song),
 							   directory);
 			song->target = std::move(target);
+			song->in_playlist = in_playlist;
 
 			directory.AddSong(std::move(song));
 		} else if ((p = StringAfterPrefix(line, PLAYLIST_META_BEGIN))) {

src/db/update/Archive.cxx

@@ -51,6 +51,15 @@ LockFindSong(Directory &directory, std::string_view name) noexcept
 	return directory.FindSong(name);
 }
 
+[[gnu::pure]]
+static bool
+IsAcceptableFilename(std::string_view name) noexcept
+{
+	return !name.empty() &&
+		/* newlines cannot be represented in MPD's protocol */
+		name.find('\n') == name.npos;
+}
+
 void
 UpdateWalk::UpdateArchiveTree(ArchiveFile &archive, Directory &directory,
 			      const char *name) noexcept
@@ -58,6 +67,9 @@ UpdateWalk::UpdateArchiveTree(ArchiveFile &archive, Directory &directory,
 	const char *tmp = std::strchr(name, '/');
 	if (tmp) {
 		const std::string_view child_name(name, tmp - name);
+		if (!IsAcceptableFilename(child_name))
+			return;
+
 		//add dir is not there already
 		Directory *subdir = LockMakeChild(directory, child_name);
 		subdir->device = DEVICE_INARCHIVE;
@@ -65,11 +77,8 @@ UpdateWalk::UpdateArchiveTree(ArchiveFile &archive, Directory &directory,
 		//create directories first
 		UpdateArchiveTree(archive, *subdir, tmp + 1);
 	} else {
-		if (StringIsEmpty(name)) {
-			LogWarning(update_domain,
-				   "archive returned directory only");
+		if (!IsAcceptableFilename(name))
 			return;
-		}
 
 		//add file
 		Song *song = LockFindSong(directory, name);

src/db/update/Walk.cxx

@@ -531,6 +531,7 @@ UpdateWalk::Walk(Directory &root, const char *path, bool discard) noexcept
 
 	{
 		const ScopeDatabaseLock protect;
+		root.ClearInPlaylist();
 		PurgeDanglingFromPlaylists(root);
 	}
 

src/decoder/Control.hxx

@@ -257,6 +257,12 @@ public:
 		return HasFailed();
 	}
 
+	[[gnu::pure]]
+	bool LockIsReplayGainEnabled() const noexcept {
+		const std::scoped_lock<Mutex> protect(mutex);
+		return replay_gain_mode != ReplayGainMode::OFF;
+	}
+
 	/**
 	 * Transition this obejct from DecoderState::START to
 	 * DecoderState::DECODE.

src/decoder/DecoderList.cxx

@@ -114,11 +114,11 @@ constexpr const struct DecoderPlugin *decoder_plugins[] = {
 #ifdef ENABLE_ADPLUG
 	&adplug_decoder_plugin,
 #endif
-#ifdef ENABLE_FFMPEG
-	&ffmpeg_decoder_plugin,
-#endif
 #ifdef ENABLE_GME
 	&gme_decoder_plugin,
+#endif
+#ifdef ENABLE_FFMPEG
+	&ffmpeg_decoder_plugin,
 #endif
 	&pcm_decoder_plugin,
 	nullptr

src/decoder/Thread.cxx

@@ -36,6 +36,7 @@
 #include "util/RuntimeError.hxx"
 #include "util/Domain.hxx"
 #include "util/ScopeExit.hxx"
+#include "util/StringCompare.hxx"
 #include "thread/Name.hxx"
 #include "tag/ApeReplayGain.hxx"
 #include "Log.hxx"
@@ -261,12 +262,16 @@ LoadReplayGain(DecoderClient &client, InputStream &is)
 static void
 MaybeLoadReplayGain(DecoderBridge &bridge, InputStream &is)
 {
-	{
-		const std::scoped_lock<Mutex> protect(bridge.dc.mutex);
-		if (bridge.dc.replay_gain_mode == ReplayGainMode::OFF)
-			/* ReplayGain is disabled */
-			return;
-	}
+	if (!bridge.dc.LockIsReplayGainEnabled())
+		/* ReplayGain is disabled */
+		return;
+
+	if (is.HasMimeType() &&
+	    StringStartsWith(is.GetMimeType(), "audio/x-mpd-"))
+		/* skip for (virtual) files (e.g. from the
+		   cdio_paranoia input plugin) which cannot possibly
+		   contain tags */
+		return;
 
 	LoadReplayGain(bridge, is);
 }

src/decoder/plugins/FfmpegDecoderPlugin.cxx

@@ -31,6 +31,7 @@
 #include "lib/ffmpeg/Format.hxx"
 #include "lib/ffmpeg/Codec.hxx"
 #include "lib/ffmpeg/SampleFormat.hxx"
+#include "lib/ffmpeg/LibFmt.hxx"
 #include "../DecoderAPI.hxx"
 #include "FfmpegMetaData.hxx"
 #include "FfmpegIo.hxx"
@@ -384,7 +385,8 @@ static void
 FfmpegParseMetaData(const AVStream &stream,
 		    ReplayGainInfo &rg, MixRampInfo &mr)
 {
-	FfmpegParseMetaData(*stream.metadata, rg, mr);
+	if (stream.metadata != nullptr)
+		FfmpegParseMetaData(*stream.metadata, rg, mr);
 }
 
 static void
@@ -393,7 +395,9 @@ FfmpegParseMetaData(const AVFormatContext &format_context, int audio_stream,
 {
 	assert(audio_stream >= 0);
 
-	FfmpegParseMetaData(*format_context.metadata, rg, mr);
+	if (format_context.metadata != nullptr)
+		FfmpegParseMetaData(*format_context.metadata, rg, mr);
+
 	FfmpegParseMetaData(*format_context.streams[audio_stream],
 				    rg, mr);
 }
@@ -468,7 +472,7 @@ static bool
 IsSeekable(const AVFormatContext &format_context) noexcept
 {
 #if LIBAVFORMAT_VERSION_INT >= AV_VERSION_INT(58, 6, 100)
-	return (format_context.ctx_flags & AVFMTCTX_UNSEEKABLE) != 0;
+	return (format_context.ctx_flags & AVFMTCTX_UNSEEKABLE) == 0;
 #else
 	(void)format_context;
 	return false;
@@ -520,9 +524,15 @@ FfmpegDecode(DecoderClient &client, InputStream *input,
 		return;
 	}
 
+#if LIBAVUTIL_VERSION_INT >= AV_VERSION_INT(57, 25, 100)
+	const unsigned channels = codec_context->ch_layout.nb_channels;
+#else
+	const unsigned channels = codec_context->channels;
+#endif
+
 	const auto audio_format = CheckAudioFormat(codec_context->sample_rate,
 						   sample_format,
-						   codec_context->channels);
+						   channels);
 
 	const SignedSongTime total_time =
 		av_stream.duration != (int64_t)AV_NOPTS_VALUE
@@ -530,9 +540,8 @@ FfmpegDecode(DecoderClient &client, InputStream *input,
 		: FromFfmpegTimeChecked(format_context.duration, AV_TIME_BASE_Q);
 
 	client.Ready(audio_format,
-		     input
-		     ? input->IsSeekable()
-		     : IsSeekable(format_context),
+		     (input ? input->IsSeekable() : false)
+		     || IsSeekable(format_context),
 		     total_time);
 
 	FfmpegParseMetaData(client, format_context, audio_stream);
@@ -633,10 +642,17 @@ FfmpegScanStream(AVFormatContext &format_context, TagHandler &handler)
 						  AV_TIME_BASE_Q));
 
 	const auto &codec_params = *stream.codecpar;
+
+#if LIBAVUTIL_VERSION_INT >= AV_VERSION_INT(57, 25, 100)
+	const unsigned channels = codec_params.ch_layout.nb_channels;
+#else
+	const unsigned channels = codec_params.channels;
+#endif
+
 	try {
 		handler.OnAudioFormat(CheckAudioFormat(codec_params.sample_rate,
 						       ffmpeg_sample_format(AVSampleFormat(codec_params.format)),
-						       codec_params.channels));
+						       channels));
 	} catch (...) {
 	}
 

src/decoder/plugins/FfmpegIo.cxx

@@ -21,10 +21,16 @@
 #define __STDC_CONSTANT_MACROS
 
 #include "FfmpegIo.hxx"
-#include "libavutil/mem.h"
 #include "../DecoderAPI.hxx"
 #include "input/InputStream.hxx"
 
+extern "C" {
+#include <libavutil/mem.h>
+#if LIBAVUTIL_VERSION_INT >= AV_VERSION_INT(58, 29, 100)
+#include <libavutil/error.h>
+#endif
+}
+
 AvioStream::~AvioStream()
 {
 	if (io != nullptr) {

src/decoder/plugins/FlacCommon.cxx

@@ -30,7 +30,7 @@
 
 bool
 FlacDecoder::Initialize(unsigned sample_rate, unsigned bits_per_sample,
-			unsigned channels, FLAC__uint64 total_frames)
+			unsigned channels, FLAC__uint64 total_frames) noexcept
 {
 	assert(!initialized);
 	assert(!unsupported);
@@ -60,7 +60,7 @@ FlacDecoder::Initialize(unsigned sample_rate, unsigned bits_per_sample,
 }
 
 inline void
-FlacDecoder::OnStreamInfo(const FLAC__StreamMetadata_StreamInfo &stream_info)
+FlacDecoder::OnStreamInfo(const FLAC__StreamMetadata_StreamInfo &stream_info) noexcept
 {
 	if (initialized)
 		return;
@@ -72,7 +72,7 @@ FlacDecoder::OnStreamInfo(const FLAC__StreamMetadata_StreamInfo &stream_info)
 }
 
 inline void
-FlacDecoder::OnVorbisComment(const FLAC__StreamMetadata_VorbisComment &vc)
+FlacDecoder::OnVorbisComment(const FLAC__StreamMetadata_VorbisComment &vc) noexcept
 {
 	ReplayGainInfo rgi;
 	if (flac_parse_replay_gain(rgi, vc))
@@ -86,7 +86,7 @@ FlacDecoder::OnVorbisComment(const FLAC__StreamMetadata_VorbisComment &vc)
 }
 
 void
-FlacDecoder::OnMetadata(const FLAC__StreamMetadata &metadata)
+FlacDecoder::OnMetadata(const FLAC__StreamMetadata &metadata) noexcept
 {
 	if (unsupported)
 		return;
@@ -106,7 +106,7 @@ FlacDecoder::OnMetadata(const FLAC__StreamMetadata &metadata)
 }
 
 inline bool
-FlacDecoder::OnFirstFrame(const FLAC__FrameHeader &header)
+FlacDecoder::OnFirstFrame(const FLAC__FrameHeader &header) noexcept
 {
 	if (unsupported)
 		return false;
@@ -139,7 +139,7 @@ FlacDecoder::GetDeltaPosition(const FLAC__StreamDecoder &sd)
 FLAC__StreamDecoderWriteStatus
 FlacDecoder::OnWrite(const FLAC__Frame &frame,
 		     const FLAC__int32 *const buf[],
-		     FLAC__uint64 nbytes)
+		     FLAC__uint64 nbytes) noexcept
 {
 	if (!initialized && !OnFirstFrame(frame.header))
 		return FLAC__STREAM_DECODER_WRITE_STATUS_ABORT;

src/decoder/plugins/FlacCommon.hxx

@@ -65,20 +65,21 @@ struct FlacDecoder : public FlacInput {
 	 */
 	ConstBuffer<void> chunk = nullptr;
 
-	FlacDecoder(DecoderClient &_client, InputStream &_input_stream)
+	FlacDecoder(DecoderClient &_client,
+		    InputStream &_input_stream) noexcept
 		:FlacInput(_input_stream, &_client) {}
 
 	/**
 	 * Wrapper for DecoderClient::Ready().
 	 */
 	bool Initialize(unsigned sample_rate, unsigned bits_per_sample,
-			unsigned channels, FLAC__uint64 total_frames);
+			unsigned channels, FLAC__uint64 total_frames) noexcept;
 
-	void OnMetadata(const FLAC__StreamMetadata &metadata);
+	void OnMetadata(const FLAC__StreamMetadata &metadata) noexcept;
 
 	FLAC__StreamDecoderWriteStatus OnWrite(const FLAC__Frame &frame,
 					       const FLAC__int32 *const buf[],
-					       FLAC__uint64 nbytes);
+					       FLAC__uint64 nbytes) noexcept;
 
 	/**
 	 * Calculate the delta (in bytes) between the last frame and
@@ -87,8 +88,8 @@ struct FlacDecoder : public FlacInput {
 	FLAC__uint64 GetDeltaPosition(const FLAC__StreamDecoder &sd);
 
 private:
-	void OnStreamInfo(const FLAC__StreamMetadata_StreamInfo &stream_info);
-	void OnVorbisComment(const FLAC__StreamMetadata_VorbisComment &vc);
+	void OnStreamInfo(const FLAC__StreamMetadata_StreamInfo &stream_info) noexcept;
+	void OnVorbisComment(const FLAC__StreamMetadata_VorbisComment &vc) noexcept;
 
 	/**
 	 * This function attempts to call DecoderClient::Ready() in case there
@@ -97,7 +98,7 @@ private:
 	 * providing the STREAMINFO block from the beginning of the file
 	 * (e.g. when seeking with SqueezeBox Server).
 	 */
-	bool OnFirstFrame(const FLAC__FrameHeader &header);
+	bool OnFirstFrame(const FLAC__FrameHeader &header) noexcept;
 };
 
 #endif /* _FLAC_COMMON_H */

src/decoder/plugins/FlacDecoderPlugin.cxx

@@ -24,6 +24,7 @@
 #include "lib/xiph/FlacMetadataChain.hxx"
 #include "OggCodec.hxx"
 #include "input/InputStream.hxx"
+#include "input/LocalOpen.hxx"
 #include "fs/Path.hxx"
 #include "fs/NarrowPath.hxx"
 #include "Log.hxx"
@@ -32,7 +33,8 @@
 #error libFLAC is too old
 #endif
 
-static void flacPrintErroredState(FLAC__StreamDecoderState state)
+static void
+flacPrintErroredState(FLAC__StreamDecoderState state) noexcept
 {
 	switch (state) {
 	case FLAC__STREAM_DECODER_SEARCH_FOR_METADATA:
@@ -53,8 +55,9 @@ static void flacPrintErroredState(FLAC__StreamDecoderState state)
 	LogError(flac_domain, FLAC__StreamDecoderStateString[state]);
 }
 
-static void flacMetadata([[maybe_unused]] const FLAC__StreamDecoder * dec,
-			 const FLAC__StreamMetadata * block, void *vdata)
+static void
+flacMetadata([[maybe_unused]] const FLAC__StreamDecoder * dec,
+	     const FLAC__StreamMetadata * block, void *vdata) noexcept
 {
 	auto &fd = *(FlacDecoder *)vdata;
 	fd.OnMetadata(*block);
@@ -62,29 +65,45 @@ static void flacMetadata([[maybe_unused]] const FLAC__StreamDecoder * dec,
 
 static FLAC__StreamDecoderWriteStatus
 flac_write_cb(const FLAC__StreamDecoder *dec, const FLAC__Frame *frame,
-	      const FLAC__int32 *const buf[], void *vdata)
+	      const FLAC__int32 *const buf[], void *vdata) noexcept
 {
 	auto &fd = *(FlacDecoder *)vdata;
 	return fd.OnWrite(*frame, buf, fd.GetDeltaPosition(*dec));
 }
 
 static bool
-flac_scan_file(Path path_fs, TagHandler &handler)
-{
+flac_scan_file(Path path_fs, TagHandler &handler) noexcept {
 	FlacMetadataChain chain;
-	if (!chain.Read(NarrowPath(path_fs))) {
+	const bool succeed = [&chain, &path_fs]() noexcept {
+		// read by NarrowPath
+		if (chain.Read(NarrowPath(path_fs))) {
+			return true;
+		}
+		if (std::is_same_v<Path::value_type, char> ||
+		    chain.GetStatus() != FLAC__METADATA_CHAIN_STATUS_ERROR_OPENING_FILE) {
+			return false;
+		}
+		// read by InputStream
+		Mutex mutex;
+		auto is = OpenLocalInputStream(path_fs, mutex);
+		if (is && chain.Read(*is)) {
+			return true;
+		}
+		return false;
+	}();
+
+	if (!succeed) {
 		FmtDebug(flac_domain,
 			 "Failed to read FLAC tags: {}",
 			 chain.GetStatusString());
 		return false;
 	}
-
 	chain.Scan(handler);
 	return true;
 }
 
 static bool
-flac_scan_stream(InputStream &is, TagHandler &handler)
+flac_scan_stream(InputStream &is, TagHandler &handler) noexcept
 {
 	FlacMetadataChain chain;
 	if (!chain.Read(is)) {
@@ -102,7 +121,7 @@ flac_scan_stream(InputStream &is, TagHandler &handler)
  * Some glue code around FLAC__stream_decoder_new().
  */
 static FlacStreamDecoder
-flac_decoder_new()
+flac_decoder_new() noexcept
 {
 	FlacStreamDecoder sd;
 	if(!FLAC__stream_decoder_set_metadata_respond(sd.get(), FLAC__METADATA_TYPE_VORBIS_COMMENT))
@@ -113,7 +132,7 @@ flac_decoder_new()
 }
 
 static bool
-flac_decoder_initialize(FlacDecoder *data, FLAC__StreamDecoder *sd)
+flac_decoder_initialize(FlacDecoder *data, FLAC__StreamDecoder *sd) noexcept
 {
 	if (!FLAC__stream_decoder_process_until_end_of_metadata(sd)) {
 		if (FLAC__stream_decoder_get_state(sd) != FLAC__STREAM_DECODER_END_OF_STREAM)
@@ -231,7 +250,7 @@ flac_decoder_loop(FlacDecoder *data, FLAC__StreamDecoder *flac_dec)
 }
 
 static FLAC__StreamDecoderInitStatus
-stream_init_oggflac(FLAC__StreamDecoder *flac_dec, FlacDecoder *data)
+stream_init_oggflac(FLAC__StreamDecoder *flac_dec, FlacDecoder *data) noexcept
 {
 	return FLAC__stream_decoder_init_ogg_stream(flac_dec,
 						    FlacInput::Read,
@@ -246,7 +265,7 @@ stream_init_oggflac(FLAC__StreamDecoder *flac_dec, FlacDecoder *data)
 }
 
 static FLAC__StreamDecoderInitStatus
-stream_init_flac(FLAC__StreamDecoder *flac_dec, FlacDecoder *data)
+stream_init_flac(FLAC__StreamDecoder *flac_dec, FlacDecoder *data) noexcept
 {
 	return FLAC__stream_decoder_init_stream(flac_dec,
 						FlacInput::Read,
@@ -261,7 +280,8 @@ stream_init_flac(FLAC__StreamDecoder *flac_dec, FlacDecoder *data)
 }
 
 static FLAC__StreamDecoderInitStatus
-stream_init(FLAC__StreamDecoder *flac_dec, FlacDecoder *data, bool is_ogg)
+stream_init(FLAC__StreamDecoder *flac_dec, FlacDecoder *data,
+	    bool is_ogg) noexcept
 {
 	return is_ogg
 		? stream_init_oggflac(flac_dec, data)
@@ -307,7 +327,7 @@ flac_decode(DecoderClient &client, InputStream &input_stream)
 }
 
 static bool
-oggflac_init([[maybe_unused]] const ConfigBlock &block)
+oggflac_init([[maybe_unused]] const ConfigBlock &block) noexcept
 {
 	return !!FLAC_API_SUPPORTS_OGG_FLAC;
 }

src/decoder/plugins/FlacInput.cxx

@@ -22,12 +22,11 @@
 #include "../DecoderAPI.hxx"
 #include "input/InputStream.hxx"
 #include "Log.hxx"
-#include "util/Compiler.h"
 
 #include <exception>
 
-FLAC__StreamDecoderReadStatus
-FlacInput::Read(FLAC__byte buffer[], size_t *bytes)
+inline FLAC__StreamDecoderReadStatus
+FlacInput::Read(FLAC__byte buffer[], size_t *bytes) noexcept
 {
 	size_t r = decoder_read(client, input_stream, (void *)buffer, *bytes);
 	*bytes = r;
@@ -44,8 +43,8 @@ FlacInput::Read(FLAC__byte buffer[], size_t *bytes)
 	return FLAC__STREAM_DECODER_READ_STATUS_CONTINUE;
 }
 
-FLAC__StreamDecoderSeekStatus
-FlacInput::Seek(FLAC__uint64 absolute_byte_offset)
+inline FLAC__StreamDecoderSeekStatus
+FlacInput::Seek(FLAC__uint64 absolute_byte_offset) noexcept
 {
 	if (!input_stream.IsSeekable())
 		return FLAC__STREAM_DECODER_SEEK_STATUS_UNSUPPORTED;
@@ -59,8 +58,8 @@ FlacInput::Seek(FLAC__uint64 absolute_byte_offset)
 	}
 }
 
-FLAC__StreamDecoderTellStatus
-FlacInput::Tell(FLAC__uint64 *absolute_byte_offset)
+inline FLAC__StreamDecoderTellStatus
+FlacInput::Tell(FLAC__uint64 *absolute_byte_offset) noexcept
 {
 	if (!input_stream.IsSeekable())
 		return FLAC__STREAM_DECODER_TELL_STATUS_UNSUPPORTED;
@@ -69,8 +68,8 @@ FlacInput::Tell(FLAC__uint64 *absolute_byte_offset)
 	return FLAC__STREAM_DECODER_TELL_STATUS_OK;
 }
 
-FLAC__StreamDecoderLengthStatus
-FlacInput::Length(FLAC__uint64 *stream_length)
+inline FLAC__StreamDecoderLengthStatus
+FlacInput::Length(FLAC__uint64 *stream_length) noexcept
 {
 	if (!input_stream.KnownSize())
 		return FLAC__STREAM_DECODER_LENGTH_STATUS_UNSUPPORTED;
@@ -79,8 +78,8 @@ FlacInput::Length(FLAC__uint64 *stream_length)
 	return FLAC__STREAM_DECODER_LENGTH_STATUS_OK;
 }
 
-FLAC__bool
-FlacInput::Eof()
+inline FLAC__bool
+FlacInput::Eof() noexcept
 {
 	return (client != nullptr &&
 		client->GetCommand() != DecoderCommand::NONE &&
@@ -88,8 +87,8 @@ FlacInput::Eof()
 		input_stream.LockIsEOF();
 }
 
-void
-FlacInput::Error(FLAC__StreamDecoderErrorStatus status)
+inline void
+FlacInput::Error(FLAC__StreamDecoderErrorStatus status) noexcept
 {
 	if (client == nullptr ||
 	    client->GetCommand() != DecoderCommand::STOP)
@@ -100,7 +99,7 @@ FlacInput::Error(FLAC__StreamDecoderErrorStatus status)
 FLAC__StreamDecoderReadStatus
 FlacInput::Read([[maybe_unused]] const FLAC__StreamDecoder *flac_decoder,
 		FLAC__byte buffer[], size_t *bytes,
-		void *client_data)
+		void *client_data) noexcept
 {
 	auto *i = (FlacInput *)client_data;
 
@@ -109,7 +108,7 @@ FlacInput::Read([[maybe_unused]] const FLAC__StreamDecoder *flac_decoder,
 
 FLAC__StreamDecoderSeekStatus
 FlacInput::Seek([[maybe_unused]] const FLAC__StreamDecoder *flac_decoder,
-		FLAC__uint64 absolute_byte_offset, void *client_data)
+		FLAC__uint64 absolute_byte_offset, void *client_data) noexcept
 {
 	auto *i = (FlacInput *)client_data;
 
@@ -118,7 +117,7 @@ FlacInput::Seek([[maybe_unused]] const FLAC__StreamDecoder *flac_decoder,
 
 FLAC__StreamDecoderTellStatus
 FlacInput::Tell([[maybe_unused]] const FLAC__StreamDecoder *flac_decoder,
-		FLAC__uint64 *absolute_byte_offset, void *client_data)
+		FLAC__uint64 *absolute_byte_offset, void *client_data) noexcept
 {
 	auto *i = (FlacInput *)client_data;
 
@@ -127,7 +126,7 @@ FlacInput::Tell([[maybe_unused]] const FLAC__StreamDecoder *flac_decoder,
 
 FLAC__StreamDecoderLengthStatus
 FlacInput::Length([[maybe_unused]] const FLAC__StreamDecoder *flac_decoder,
-		  FLAC__uint64 *stream_length, void *client_data)
+		  FLAC__uint64 *stream_length, void *client_data) noexcept
 {
 	auto *i = (FlacInput *)client_data;
 
@@ -136,7 +135,7 @@ FlacInput::Length([[maybe_unused]] const FLAC__StreamDecoder *flac_decoder,
 
 FLAC__bool
 FlacInput::Eof([[maybe_unused]] const FLAC__StreamDecoder *flac_decoder,
-	       void *client_data)
+	       void *client_data) noexcept
 {
 	auto *i = (FlacInput *)client_data;
 
@@ -145,7 +144,8 @@ FlacInput::Eof([[maybe_unused]] const FLAC__StreamDecoder *flac_decoder,
 
 void
 FlacInput::Error([[maybe_unused]] const FLAC__StreamDecoder *decoder,
-		 FLAC__StreamDecoderErrorStatus status, void *client_data)
+		 FLAC__StreamDecoderErrorStatus status,
+		 void *client_data) noexcept
 {
 	auto *i = (FlacInput *)client_data;
 

src/decoder/plugins/FlacInput.hxx

@@ -48,36 +48,38 @@ public:
 	}
 
 protected:
-	FLAC__StreamDecoderReadStatus Read(FLAC__byte buffer[], size_t *bytes);
-	FLAC__StreamDecoderSeekStatus Seek(FLAC__uint64 absolute_byte_offset);
-	FLAC__StreamDecoderTellStatus Tell(FLAC__uint64 *absolute_byte_offset);
-	FLAC__StreamDecoderLengthStatus Length(FLAC__uint64 *stream_length);
-	FLAC__bool Eof();
-	void Error(FLAC__StreamDecoderErrorStatus status);
+	FLAC__StreamDecoderReadStatus Read(FLAC__byte buffer[], size_t *bytes) noexcept;
+	FLAC__StreamDecoderSeekStatus Seek(FLAC__uint64 absolute_byte_offset) noexcept;
+	FLAC__StreamDecoderTellStatus Tell(FLAC__uint64 *absolute_byte_offset) noexcept;
+	FLAC__StreamDecoderLengthStatus Length(FLAC__uint64 *stream_length) noexcept;
+	FLAC__bool Eof() noexcept;
+	void Error(FLAC__StreamDecoderErrorStatus status) noexcept;
 
 public:
 	static FLAC__StreamDecoderReadStatus
 	Read(const FLAC__StreamDecoder *flac_decoder,
-	     FLAC__byte buffer[], size_t *bytes, void *client_data);
+	     FLAC__byte buffer[], size_t *bytes, void *client_data) noexcept;
 
 	static FLAC__StreamDecoderSeekStatus
 	Seek(const FLAC__StreamDecoder *flac_decoder,
-	     FLAC__uint64 absolute_byte_offset, void *client_data);
+	     FLAC__uint64 absolute_byte_offset, void *client_data) noexcept;
 
 	static FLAC__StreamDecoderTellStatus
 	Tell(const FLAC__StreamDecoder *flac_decoder,
-	     FLAC__uint64 *absolute_byte_offset, void *client_data);
+	     FLAC__uint64 *absolute_byte_offset, void *client_data) noexcept;
 
 	static FLAC__StreamDecoderLengthStatus
 	Length(const FLAC__StreamDecoder *flac_decoder,
-	       FLAC__uint64 *stream_length, void *client_data);
+	       FLAC__uint64 *stream_length, void *client_data) noexcept;
 
 	static FLAC__bool
-	Eof(const FLAC__StreamDecoder *flac_decoder, void *client_data);
+	Eof(const FLAC__StreamDecoder *flac_decoder,
+	    void *client_data) noexcept;
 
 	static void
 	Error(const FLAC__StreamDecoder *decoder,
-	      FLAC__StreamDecoderErrorStatus status, void *client_data);
+	      FLAC__StreamDecoderErrorStatus status,
+	      void *client_data) noexcept;
 };
 
 #endif

src/decoder/plugins/FlacPcm.cxx

@@ -39,7 +39,8 @@ FlacPcmImport::Open(unsigned sample_rate, unsigned bits_per_sample,
 
 template<typename T>
 static void
-FlacImportStereo(T *dest, const FLAC__int32 *const src[], size_t n_frames)
+FlacImportStereo(T *dest, const FLAC__int32 *const src[],
+		 size_t n_frames) noexcept
 {
 	for (size_t i = 0; i != n_frames; ++i) {
 		*dest++ = (T)src[0][i];
@@ -50,7 +51,7 @@ FlacImportStereo(T *dest, const FLAC__int32 *const src[], size_t n_frames)
 template<typename T>
 static void
 FlacImportAny(T *dest, const FLAC__int32 *const src[], size_t n_frames,
-	      unsigned n_channels)
+	      unsigned n_channels) noexcept
 {
 	for (size_t i = 0; i != n_frames; ++i)
 		for (unsigned c = 0; c != n_channels; ++c)
@@ -60,7 +61,7 @@ FlacImportAny(T *dest, const FLAC__int32 *const src[], size_t n_frames,
 template<typename T>
 static void
 FlacImport(T *dest, const FLAC__int32 *const src[], size_t n_frames,
-	   unsigned n_channels)
+	   unsigned n_channels) noexcept
 {
 	if (n_channels == 2)
 		FlacImportStereo(dest, src, n_frames);
@@ -71,7 +72,7 @@ FlacImport(T *dest, const FLAC__int32 *const src[], size_t n_frames,
 template<typename T>
 static ConstBuffer<void>
 FlacImport(PcmBuffer &buffer, const FLAC__int32 *const src[], size_t n_frames,
-	   unsigned n_channels)
+	   unsigned n_channels) noexcept
 {
 	size_t n_samples = n_frames * n_channels;
 	size_t dest_size = n_samples * sizeof(T);

src/decoder/plugins/FlacPcm.hxx

@@ -43,7 +43,7 @@ public:
 	void Open(unsigned sample_rate, unsigned bits_per_sample,
 		  unsigned channels);
 
-	const AudioFormat &GetAudioFormat() const {
+	const AudioFormat &GetAudioFormat() const noexcept {
 		return audio_format;
 	}
 

src/decoder/plugins/GmeDecoderPlugin.cxx

@@ -56,20 +56,17 @@ struct GmeContainerPath {
 	unsigned track;
 };
 
-#if GME_VERSION >= 0x000600
 static int gme_accuracy;
-#endif
 static unsigned gme_default_fade;
 
 static bool
 gme_plugin_init([[maybe_unused]] const ConfigBlock &block)
 {
-#if GME_VERSION >= 0x000600
 	auto accuracy = block.GetBlockParam("accuracy");
 	gme_accuracy = accuracy != nullptr
 		? (int)accuracy->GetBoolValue()
 		: -1;
-#endif
+
 	auto fade = block.GetBlockParam("default_fade");
 	gme_default_fade = fade != nullptr
 		? fade->GetUnsignedValue() * 1000
@@ -163,10 +160,8 @@ gme_file_decode(DecoderClient &client, Path path_fs)
 	FmtDebug(gme_domain, "emulator type '{}'",
 		 gme_type_system(gme_type(emu)));
 
-#if GME_VERSION >= 0x000600
 	if (gme_accuracy >= 0)
 		gme_enable_accuracy(emu, gme_accuracy);
-#endif
 
 	gme_info_t *ti;
 	const char *gme_err = gme_track_info(emu, &ti, container.track);

src/decoder/plugins/MadDecoderPlugin.cxx

@@ -562,7 +562,21 @@ parse_lame(struct lame *lame, struct mad_bitptr *ptr, int *bitlen) noexcept
 
 	mad_bit_skip(ptr, 16);
 
-	lame->peak = MAD_F(mad_bit_read(ptr, 32) << 5); /* peak */
+	/* The lame peak value is a float multiplied by 2^23 and stored as an
+	 * unsigned integer (it is always positive). MAD's fixed-point format uses
+	 * 28 bits for the fractional part, so shift the 23 bit fraction up before
+	 * converting to a float.
+	 */
+	unsigned long peak_int = mad_bit_read(ptr, 32);
+
+#define LAME_PEAK_FRACBITS 23
+#if MAD_F_FRACBITS > LAME_PEAK_FRACBITS
+	peak_int <<= (MAD_F_FRACBITS - LAME_PEAK_FRACBITS);
+#elif LAME_PEAK_FRACBITS > MAD_F_FRACBITS
+	peak_int >>= (LAME_PEAK_FRACBITS - MAD_F_FRACBITS);
+#endif
+
+	lame->peak = mad_f_todouble(peak_int); /* peak */
 	FmtDebug(mad_domain, "LAME peak found: {}", lame->peak);
 
 	lame->track_gain = 0;
@@ -798,6 +812,8 @@ MadDecoder::UpdateTimerNextFrame() noexcept
 DecoderCommand
 MadDecoder::SubmitPCM(size_t i, size_t pcm_length) noexcept
 {
+	assert(i <= pcm_length);
+
 	size_t num_samples = pcm_length - i;
 
 	mad_fixed_to_24_buffer(output_buffer, synth.pcm,
@@ -843,7 +859,7 @@ MadDecoder::SynthAndSubmit() noexcept
 	size_t pcm_length = synth.pcm.length;
 	if (drop_end_samples &&
 	    current_frame == max_frames - drop_end_frames - 1) {
-		if (drop_end_samples >= pcm_length)
+		if (i + drop_end_samples >= pcm_length)
 			return DecoderCommand::STOP;
 
 		pcm_length -= drop_end_samples;

src/decoder/plugins/meson.build

@@ -81,7 +81,7 @@ if libfaad_dep.found()
   decoder_plugins_sources += 'FaadDecoderPlugin.cxx'
 endif
 
-libgme_dep = c_compiler.find_library('gme', required: get_option('gme'))
+libgme_dep = dependency('libgme', version: '>= 0.6', required: get_option('gme'))
 decoder_features.set('ENABLE_GME', libgme_dep.found())
 if libgme_dep.found()
   decoder_plugins_sources += 'GmeDecoderPlugin.cxx'

src/encoder/meson.build

@@ -3,6 +3,23 @@ encoder_features = configuration_data()
 encoder_features.set('ENABLE_ENCODER', need_encoder)
 
 if not need_encoder
+  if need_wave_encoder
+    # Special case for the Snapcast output plugin which only needs the
+    # PCM wave encoder encoder plugin
+    encoder_glue = static_library(
+      'encoder_glue',
+      'plugins/WaveEncoderPlugin.cxx',
+      include_directories: inc,
+    )
+
+    encoder_glue_dep = declare_dependency(
+      link_with: encoder_glue,
+    )
+
+    configure_file(output: 'Features.h', configuration: encoder_features)
+    subdir_done()
+  endif
+
   encoder_glue_dep = dependency('', required: false)
   configure_file(output: 'Features.h', configuration: encoder_features)
   subdir_done()

src/encoder/plugins/FlacEncoderPlugin.cxx

@@ -38,6 +38,7 @@ class FlacEncoder final : public Encoder {
 
 	FLAC__StreamEncoder *const fse;
 	const unsigned compression;
+	const bool oggflac;
 
 	PcmBuffer expand_buffer;
 
@@ -122,7 +123,7 @@ flac_encoder_init(const ConfigBlock &block)
 }
 
 static void
-flac_encoder_setup(FLAC__StreamEncoder *fse, unsigned compression,
+flac_encoder_setup(FLAC__StreamEncoder *fse, unsigned compression, bool oggflac,
 		   const AudioFormat &audio_format)
 {
 	unsigned bits_per_sample;
@@ -157,7 +158,7 @@ flac_encoder_setup(FLAC__StreamEncoder *fse, unsigned compression,
 		throw FormatRuntimeError("error setting flac sample rate to %d",
 					 audio_format.sample_rate);
 
-	if (!FLAC__stream_encoder_set_ogg_serial_number(fse,
+	if (oggflac && !FLAC__stream_encoder_set_ogg_serial_number(fse,
 						  GenerateSerial()))
 		throw FormatRuntimeError("error setting ogg serial number");
 }
@@ -166,11 +167,12 @@ FlacEncoder::FlacEncoder(AudioFormat _audio_format, FLAC__StreamEncoder *_fse, u
 	:Encoder(_oggchaining),
 	 audio_format(_audio_format), fse(_fse),
 	 compression(_compression),
+	 oggflac(_oggflac),
 	 output_buffer(8192)
 {
 	/* this immediately outputs data through callback */
 
-	auto init_status = _oggflac ?
+	auto init_status = oggflac ?
 		FLAC__stream_encoder_init_ogg_stream(fse,
 						     nullptr, WriteCallback,
 						     nullptr, nullptr, nullptr,
@@ -209,7 +211,7 @@ PreparedFlacEncoder::Open(AudioFormat &audio_format)
 		throw std::runtime_error("FLAC__stream_encoder_new() failed");
 
 	try {
-		flac_encoder_setup(fse, compression, audio_format);
+		flac_encoder_setup(fse, compression, oggflac, audio_format);
 	} catch (...) {
 		FLAC__stream_encoder_delete(fse);
 		throw;
@@ -222,7 +224,7 @@ void
 FlacEncoder::SendTag(const Tag &tag)
 {
 	/* re-initialize encoder since flac_encoder_finish resets everything */
-	flac_encoder_setup(fse, compression, audio_format);
+	flac_encoder_setup(fse, compression, oggflac, audio_format);
 
 	FLAC__StreamMetadata *metadata = FLAC__metadata_object_new(FLAC__METADATA_TYPE_VORBIS_COMMENT);
 	FLAC__StreamMetadata_VorbisComment_Entry entry;

src/encoder/plugins/meson.build

@@ -35,7 +35,7 @@ if libshine_dep.found()
 endif
 
 encoder_features.set('ENABLE_WAVE_ENCODER', get_option('wave_encoder'))
-if get_option('wave_encoder')
+if get_option('wave_encoder') or need_wave_encoder
   encoder_plugins_sources += 'WaveEncoderPlugin.cxx'
 endif
 

src/event/Loop.cxx

@@ -272,9 +272,8 @@ EventLoop::Run() noexcept
 #endif
 
 	assert(IsInside());
-	assert(!quit);
 #ifdef HAVE_THREADED_EVENT_LOOP
-	assert(alive);
+	assert(alive || quit);
 	assert(busy);
 
 	wake_event.Schedule(SocketEvent::READ);
@@ -299,7 +298,7 @@ EventLoop::Run() noexcept
 
 	steady_clock_cache.flush();
 
-	do {
+	while (!quit) {
 		again = false;
 
 		/* invoke timers */
@@ -361,7 +360,7 @@ EventLoop::Run() noexcept
 
 			socket_event.Dispatch();
 		}
-	} while (!quit);
+	}
 
 #ifdef HAVE_THREADED_EVENT_LOOP
 #ifndef NDEBUG

src/filter/plugins/FfmpegFilter.cxx

@@ -40,10 +40,15 @@ FfmpegFilter::FfmpegFilter(const AudioFormat &in_audio_format,
 	 buffer_sink(_buffer_sink),
 	 in_format(Ffmpeg::ToFfmpegSampleFormat(in_audio_format.format)),
 	 in_sample_rate(in_audio_format.sample_rate),
+#if LIBAVUTIL_VERSION_INT < AV_VERSION_INT(57, 25, 100)
 	 in_channels(in_audio_format.channels),
+#endif
 	 in_audio_frame_size(in_audio_format.GetFrameSize()),
 	 out_audio_frame_size(_out_audio_format.GetFrameSize())
 {
+#if LIBAVUTIL_VERSION_INT >= AV_VERSION_INT(57, 25, 100)
+	av_channel_layout_default(&in_ch_layout, in_audio_format.channels);
+#endif
 }
 
 ConstBuffer<void>
@@ -54,7 +59,11 @@ FfmpegFilter::FilterPCM(ConstBuffer<void> src)
 	frame.Unref();
 	frame->format = in_format;
 	frame->sample_rate = in_sample_rate;
+#if LIBAVUTIL_VERSION_INT >= AV_VERSION_INT(57, 25, 100)
+	frame->ch_layout = in_ch_layout;
+#else
 	frame->channels = in_channels;
+#endif
 	frame->nb_samples = src.size / in_audio_frame_size;
 
 	frame.GetBuffer();

src/filter/plugins/FfmpegFilter.hxx

@@ -35,7 +35,13 @@ class FfmpegFilter final : public Filter {
 
 	FfmpegBuffer interleave_buffer;
 
-	const int in_format, in_sample_rate, in_channels;
+	const int in_format, in_sample_rate;
+
+#if LIBAVUTIL_VERSION_INT >= AV_VERSION_INT(57, 25, 100)
+	AVChannelLayout in_ch_layout;
+#else
+	const int in_channels;
+#endif
 
 	const size_t in_audio_frame_size;
 	const size_t out_audio_frame_size;

src/filter/plugins/ReplayGainFilterPlugin.cxx

@@ -23,6 +23,8 @@
 #include "ReplayGainInfo.hxx"
 #include "ReplayGainConfig.hxx"
 #include "mixer/MixerControl.hxx"
+#include "mixer/MixerInternal.hxx"
+#include "mixer/Listener.hxx"
 #include "pcm/AudioFormat.hxx"
 #include "pcm/Volume.hxx"
 #include "util/ConstBuffer.hxx"
@@ -171,9 +173,11 @@ ReplayGainFilter::Update()
 		try {
 			mixer_set_volume(mixer, _volume);
 
-			/* TODO: emit this idle event only for the
-			   current partition */
-			idle_add(IDLE_MIXER);
+			/* invoke the mixer's listener manually, just
+			   in case the mixer implementation didn't do
+			   that already (this depends on the
+			   implementation) */
+			mixer->listener.OnMixerVolumeChanged(*mixer, _volume);
 		} catch (...) {
 			LogError(std::current_exception(),
 				 "Failed to update hardware mixer");

src/fs/Charset.cxx

@@ -20,7 +20,6 @@
 #include "Charset.hxx"
 #include "Features.hxx"
 #include "Domain.hxx"
-#include "Log.hxx"
 #include "lib/icu/Converter.hxx"
 #include "util/AllocatedString.hxx"
 #include "config.h"
@@ -45,11 +44,9 @@ SetFSCharset(const char *charset)
 	assert(charset != nullptr);
 	assert(fs_converter == nullptr);
 
+	fs_charset = charset;
 	fs_converter = IcuConverter::Create(charset);
 	assert(fs_converter != nullptr);
-
-	FmtDebug(path_domain,
-		 "SetFSCharset: fs charset is {}", fs_charset);
 }
 
 #endif

src/fs/FileSystem.hxx

@@ -67,6 +67,16 @@ StatFile(Path file, struct stat &buf, bool follow_symlinks = true)
 
 #endif
 
+static inline bool
+CreateDirectoryNoThrow(Path path) noexcept
+{
+#ifdef _WIN32
+	return CreateDirectory(path.c_str(), nullptr);
+#else
+	return mkdir(path.c_str(), 0777);
+#endif
+}
+
 /**
  * Truncate a file that exists already.  Throws std::system_error on
  * error.

src/fs/StandardDirectory.cxx

@@ -34,7 +34,6 @@
 #include <shlobj.h>
 #else
 #include <stdlib.h>
-#include <unistd.h>
 #include <pwd.h>
 #endif
 
@@ -53,6 +52,12 @@
 #include "Main.hxx"
 #endif
 
+#ifdef USE_XDG
+#include "Version.h" // for PACKAGE_NAME
+#define APP_FILENAME PATH_LITERAL(PACKAGE_NAME)
+static constexpr Path app_filename = Path::FromFS(APP_FILENAME);
+#endif
+
 #if !defined(_WIN32) && !defined(ANDROID)
 class PasswdEntry
 {
@@ -74,15 +79,6 @@ public:
 		return result != nullptr;
 	}
 
-	bool ReadByUid(uid_t uid) {
-#ifdef HAVE_GETPWUID_R
-		getpwuid_r(uid, &pw, buf.data(), buf.size(), &result);
-#else
-		result = getpwuid(uid);
-#endif
-		return result != nullptr;
-	}
-
 	const passwd *operator->() {
 		assert(result != nullptr);
 		return result;
@@ -254,7 +250,8 @@ GetUserMusicDir() noexcept
 #elif defined(USE_XDG)
 	return GetUserDir("XDG_MUSIC_DIR");
 #elif defined(ANDROID)
-	return Environment::getExternalStoragePublicDirectory("Music");
+	return Environment::getExternalStoragePublicDirectory(Java::GetEnv(),
+							      "Music");
 #else
 	return nullptr;
 #endif
@@ -283,6 +280,24 @@ GetUserCacheDir() noexcept
 #endif
 }
 
+AllocatedPath
+GetAppCacheDir() noexcept
+{
+#ifdef USE_XDG
+	if (const auto user_dir = GetUserCacheDir(); !user_dir.IsNull()) {
+		auto dir = user_dir / app_filename;
+		CreateDirectoryNoThrow(dir);
+		return dir;
+	}
+
+	return nullptr;
+#elif defined(ANDROID)
+	return context->GetCacheDir(Java::GetEnv());
+#else
+	return nullptr;
+#endif
+}
+
 AllocatedPath
 GetUserRuntimeDir() noexcept
 {
@@ -296,7 +311,7 @@ GetUserRuntimeDir() noexcept
 AllocatedPath
 GetAppRuntimeDir() noexcept
 {
-#ifdef __linux__
+#if defined(__linux__) && !defined(ANDROID)
 	/* systemd specific; see systemd.exec(5) */
 	if (const char *runtime_directory = getenv("RUNTIME_DIRECTORY"))
 		if (auto dir = StringView{runtime_directory}.Split(':').first;
@@ -306,8 +321,8 @@ GetAppRuntimeDir() noexcept
 
 #ifdef USE_XDG
 	if (const auto user_dir = GetUserRuntimeDir(); !user_dir.IsNull()) {
-		auto dir = user_dir / Path::FromFS("mpd");
-		mkdir(dir.c_str(), 0700);
+		auto dir = user_dir / app_filename;
+		CreateDirectoryNoThrow(dir);
 		return dir;
 	}
 #endif
@@ -350,10 +365,8 @@ GetHomeDir() noexcept
 	if (const auto home = getenv("HOME");
 	    IsValidPathString(home) && IsValidDir(home))
 		return AllocatedPath::FromFS(home);
-
-	if (PasswdEntry pw; pw.ReadByUid(getuid()))
-		return SafePathFromFS(pw->pw_dir);
 #endif
+
 	return nullptr;
 }
 

src/fs/StandardDirectory.hxx

@@ -43,6 +43,13 @@ GetUserMusicDir() noexcept;
 AllocatedPath
 GetUserCacheDir() noexcept;
 
+/**
+ * Obtains cache directory for this application.
+ */
+[[gnu::const]]
+AllocatedPath
+GetAppCacheDir() noexcept;
+
 /**
  * Obtains the runtime directory for the current user.
  */

src/input/AsyncInputStream.cxx

@@ -101,9 +101,17 @@ AsyncInputStream::Seek(std::unique_lock<Mutex> &lock,
 	assert(IsReady());
 	assert(seek_state == SeekState::NONE);
 
-	if (new_offset == offset)
-		/* no-op */
+	if (new_offset == offset) {
+		/* no-op, but if the stream is not open anymore (maybe
+		   because it has failed), nothing can be read, so we
+		   should check for errors here instead of pretending
+		   everything's fine */
+
+		if (!open)
+			Check();
+
 		return;
+	}
 
 	if (!IsSeekable())
 		throw std::runtime_error("Not seekable");

src/input/plugins/AlsaInputPlugin.cxx

@@ -234,7 +234,7 @@ AlsaInputStream::PrepareSockets() noexcept
 
 void
 AlsaInputStream::DispatchSockets() noexcept
-{
+try {
 	non_block.DispatchSockets(*this, capture_handle);
 
 	const std::scoped_lock<Mutex> protect(mutex);
@@ -253,16 +253,17 @@ AlsaInputStream::DispatchSockets() noexcept
 		if (n_frames == -EAGAIN)
 			return;
 
-		if (Recover(n_frames) < 0) {
-			postponed_exception = std::make_exception_ptr(std::runtime_error("PCM error - stream aborted"));
-			InvokeOnAvailable();
-			return;
-		}
+		if (Recover(n_frames) < 0)
+			throw std::runtime_error("PCM error - stream aborted");
 	}
 
 	size_t nbytes = n_frames * frame_size;
 	CommitWriteBuffer(nbytes);
 }
+catch (...) {
+	postponed_exception = std::current_exception();
+	InvokeOnAvailable();
+}
 
 inline int
 AlsaInputStream::Recover(int err)
@@ -369,9 +370,14 @@ AlsaInputStream::ConfigureCapture(AudioFormat audio_format)
 		 period_size_min, period_size_max,
 		 period_time_min, period_time_max);
 
-	/* choose the maximum possible buffer_size ... */
-	snd_pcm_hw_params_set_buffer_size(capture_handle, hw_params,
-					  buffer_size_max);
+	/* choose the maximum buffer_time up to limit of 2 seconds ... */
+	unsigned buffer_time = buffer_time_max;
+	if (buffer_time > 2000000U)
+		buffer_time = 2000000U;
+	int direction = -1;
+	if ((err = snd_pcm_hw_params_set_buffer_time_near(capture_handle,
+				hw_params, &buffer_time, &direction)) < 0)
+		throw Alsa::MakeError(err, "Cannot set buffer time");
 
 	/* ... and calculate the period_size to have four periods in
 	   one buffer; this way, we get woken up often enough to avoid
@@ -379,7 +385,7 @@ AlsaInputStream::ConfigureCapture(AudioFormat audio_format)
 	snd_pcm_uframes_t buffer_size;
 	if (snd_pcm_hw_params_get_buffer_size(hw_params, &buffer_size) == 0) {
 		snd_pcm_uframes_t period_size = buffer_size / 4;
-		int direction = -1;
+		direction = -1;
 		if ((err = snd_pcm_hw_params_set_period_size_near(capture_handle,
 		                             hw_params, &period_size, &direction)) < 0)
 			throw Alsa::MakeError(err, "Cannot set period size");

src/input/plugins/CdioParanoiaInputPlugin.cxx

@@ -30,10 +30,12 @@
 #include "util/RuntimeError.hxx"
 #include "util/Domain.hxx"
 #include "util/ByteOrder.hxx"
+#include "util/ScopeExit.hxx"
 #include "fs/AllocatedPath.hxx"
 #include "Log.hxx"
 #include "config/Block.hxx"
 
+#include <algorithm>
 #include <cassert>
 #include <cstdint>
 
@@ -43,31 +45,35 @@
 
 #include <cdio/cd_types.h>
 
+static constexpr Domain cdio_domain("cdio");
+
+static bool default_reverse_endian;
+static unsigned speed = 0;
+
+/* Default to full paranoia, but allow skipping sectors. */
+static int mode_flags = PARANOIA_MODE_FULL^PARANOIA_MODE_NEVERSKIP;
+
 class CdioParanoiaInputStream final : public InputStream {
 	cdrom_drive_t *const drv;
 	CdIo_t *const cdio;
 	CdromParanoia para;
 
-	const lsn_t lsn_from, lsn_to;
-	int lsn_relofs;
+	const lsn_t lsn_from;
 
 	char buffer[CDIO_CD_FRAMESIZE_RAW];
-	int buffer_lsn;
+	lsn_t buffer_lsn;
 
  public:
 	CdioParanoiaInputStream(const char *_uri, Mutex &_mutex,
 				cdrom_drive_t *_drv, CdIo_t *_cdio,
 				bool reverse_endian,
-				lsn_t _lsn_from, lsn_t _lsn_to)
+				lsn_t _lsn_from, lsn_t lsn_to)
 		:InputStream(_uri, _mutex),
 		 drv(_drv), cdio(_cdio), para(drv),
-		 lsn_from(_lsn_from), lsn_to(_lsn_to),
-		 lsn_relofs(0),
+		 lsn_from(_lsn_from),
 		 buffer_lsn(-1)
 	{
-		/* Set reading mode for full paranoia, but allow
-		   skipping sectors. */
-		para.SetMode(PARANOIA_MODE_FULL^PARANOIA_MODE_NEVERSKIP);
+		para.SetMode(mode_flags);
 
 		/* seek to beginning of the track */
 		para.Seek(lsn_from);
@@ -98,11 +104,6 @@ class CdioParanoiaInputStream final : public InputStream {
 	void Seek(std::unique_lock<Mutex> &lock, offset_type offset) override;
 };
 
-static constexpr Domain cdio_domain("cdio");
-
-static bool default_reverse_endian;
-static unsigned speed = 0;
-
 static void
 input_cdio_init(EventLoop &, const ConfigBlock &block)
 {
@@ -117,6 +118,26 @@ input_cdio_init(EventLoop &, const ConfigBlock &block)
 						 value);
 	}
 	speed = block.GetBlockValue("speed",0U);
+
+	if (const auto *param = block.GetBlockParam("mode")) {
+		param->With([](const char *s){
+			if (StringIsEqual(s, "disable"))
+				mode_flags = PARANOIA_MODE_DISABLE;
+			else if (StringIsEqual(s, "overlap"))
+				mode_flags = PARANOIA_MODE_OVERLAP;
+			else if (StringIsEqual(s, "full"))
+				mode_flags = PARANOIA_MODE_FULL;
+			else
+				throw std::invalid_argument{"Invalid paranoia mode"};
+		});
+	}
+
+	if (const auto *param = block.GetBlockParam("skip")) {
+		if (param->GetBoolValue())
+			mode_flags &= ~PARANOIA_MODE_NEVERSKIP;
+		else
+			mode_flags |= PARANOIA_MODE_NEVERSKIP;
+	}
 }
 
 struct CdioUri {
@@ -173,9 +194,12 @@ cdio_detect_device()
 	if (devices == nullptr)
 		return nullptr;
 
-	AllocatedPath path = AllocatedPath::FromFS(devices[0]);
-	cdio_free_device_list(devices);
-	return path;
+	AtScopeExit(devices) { cdio_free_device_list(devices); };
+
+	if (devices[0] == nullptr)
+		return nullptr;
+
+	return AllocatedPath::FromFS(devices[0]);
 }
 
 static InputStreamPtr
@@ -271,81 +295,70 @@ CdioParanoiaInputStream::Seek(std::unique_lock<Mutex> &,
 		return;
 
 	/* calculate current LSN */
-	lsn_relofs = new_offset / CDIO_CD_FRAMESIZE_RAW;
-	offset = new_offset;
+	const lsn_t lsn_relofs = new_offset / CDIO_CD_FRAMESIZE_RAW;
 
-	{
+	if (lsn_relofs != buffer_lsn) {
 		const ScopeUnlock unlock(mutex);
 		para.Seek(lsn_from + lsn_relofs);
 	}
+
+	offset = new_offset;
 }
 
 size_t
 CdioParanoiaInputStream::Read(std::unique_lock<Mutex> &,
 			      void *ptr, size_t length)
 {
-	size_t nbytes = 0;
-	char *wptr = (char *) ptr;
+	/* end of track ? */
+	if (IsEOF())
+		return 0;
 
-	while (length > 0) {
-		/* end of track ? */
-		if (lsn_from + lsn_relofs > lsn_to)
-			break;
+	//current sector was changed ?
+	const int16_t *rbuf;
 
-		//current sector was changed ?
-		const int16_t *rbuf;
-		if (lsn_relofs != buffer_lsn) {
-			const ScopeUnlock unlock(mutex);
+	const lsn_t lsn_relofs = offset / CDIO_CD_FRAMESIZE_RAW;
+	const std::size_t diff = offset % CDIO_CD_FRAMESIZE_RAW;
 
-			try {
-				rbuf = para.Read().data;
-			} catch (...) {
-				char *s_err = cdio_cddap_errors(drv);
-				if (s_err) {
-					FmtError(cdio_domain,
-						 "paranoia_read: {}", s_err);
-					cdio_cddap_free_messages(s_err);
-				}
+	if (lsn_relofs != buffer_lsn) {
+		const ScopeUnlock unlock(mutex);
 
-				throw;
+		try {
+			rbuf = para.Read().data;
+		} catch (...) {
+			char *s_err = cdio_cddap_errors(drv);
+			if (s_err) {
+				FmtError(cdio_domain,
+					 "paranoia_read: {}", s_err);
+				cdio_cddap_free_messages(s_err);
 			}
 
-			//store current buffer
-			memcpy(buffer, rbuf, CDIO_CD_FRAMESIZE_RAW);
-			buffer_lsn = lsn_relofs;
-		} else {
-			//use cached sector
-			rbuf = (const int16_t *)buffer;
+			throw;
 		}
 
-		//correct offset
-		const int diff = offset - lsn_relofs * CDIO_CD_FRAMESIZE_RAW;
-
-		assert(diff >= 0 && diff < CDIO_CD_FRAMESIZE_RAW);
-
-		const size_t maxwrite = CDIO_CD_FRAMESIZE_RAW - diff;  //# of bytes pending in current buffer
-		const size_t len = (length < maxwrite? length : maxwrite);
-
-		//skip diff bytes from this lsn
-		memcpy(wptr, ((const char *)rbuf) + diff, len);
-		//update pointer
-		wptr += len;
-		nbytes += len;
-
-		//update offset
-		offset += len;
-		lsn_relofs = offset / CDIO_CD_FRAMESIZE_RAW;
-		//update length
-		length -= len;
+		//store current buffer
+		memcpy(buffer, rbuf, CDIO_CD_FRAMESIZE_RAW);
+		buffer_lsn = lsn_relofs;
+	} else {
+		//use cached sector
+		rbuf = (const int16_t *)buffer;
 	}
 
+	const size_t maxwrite = CDIO_CD_FRAMESIZE_RAW - diff;  //# of bytes pending in current buffer
+	const std::size_t nbytes = std::min(length, maxwrite);
+
+	//skip diff bytes from this lsn
+	memcpy(ptr, ((const char *)rbuf) + diff, nbytes);
+
+	//update offset
+	offset += nbytes;
+
 	return nbytes;
 }
 
 bool
 CdioParanoiaInputStream::IsEOF() const noexcept
 {
-	return lsn_from + lsn_relofs > lsn_to;
+	return offset >= size;
 }
 
 static constexpr const char *cdio_paranoia_prefixes[] = {

src/input/plugins/CurlInputPlugin.cxx

@@ -82,7 +82,7 @@ class CurlInputStream final : public AsyncInputStream, CurlResponseHandler {
 public:
 	template<typename I>
 	CurlInputStream(EventLoop &event_loop, const char *_url,
-			const std::multimap<std::string, std::string> &headers,
+			const Curl::Headers &headers,
 			I &&_icy,
 			Mutex &_mutex);
 
@@ -92,7 +92,7 @@ public:
 	CurlInputStream &operator=(const CurlInputStream &) = delete;
 
 	static InputStreamPtr Open(const char *url,
-				   const std::multimap<std::string, std::string> &headers,
+				   const Curl::Headers &headers,
 				   Mutex &mutex);
 
 private:
@@ -131,8 +131,7 @@ private:
 	void SeekInternal(offset_type new_offset);
 
 	/* virtual methods from CurlResponseHandler */
-	void OnHeaders(unsigned status,
-		       std::multimap<std::string, std::string> &&headers) override;
+	void OnHeaders(unsigned status, Curl::Headers &&headers) override;
 	void OnData(ConstBuffer<void> data) override;
 	void OnEnd() override;
 	void OnError(std::exception_ptr e) noexcept override;
@@ -227,7 +226,7 @@ WithConvertedTagValue(const char *uri, const char *value, F &&f) noexcept
 
 void
 CurlInputStream::OnHeaders(unsigned status,
-			   std::multimap<std::string, std::string> &&headers)
+			   Curl::Headers &&headers)
 {
 	assert(GetEventLoop().IsInside());
 	assert(!postponed_exception);
@@ -391,7 +390,7 @@ input_curl_finish() noexcept
 template<typename I>
 inline
 CurlInputStream::CurlInputStream(EventLoop &event_loop, const char *_url,
-				 const std::multimap<std::string, std::string> &headers,
+				 const Curl::Headers &headers,
 				 I &&_icy,
 				 Mutex &_mutex)
 	:AsyncInputStream(event_loop, _url, _mutex,
@@ -418,7 +417,6 @@ CurlInputStream::InitEasy()
 	request->SetOption(CURLOPT_HTTP200ALIASES, http_200_aliases);
 	request->SetOption(CURLOPT_FOLLOWLOCATION, 1L);
 	request->SetOption(CURLOPT_MAXREDIRS, 5L);
-	request->SetOption(CURLOPT_FAILONERROR, 1L);
 
 	/* this option eliminates the probe request when
 	   username/password are specified */
@@ -440,6 +438,14 @@ CurlInputStream::InitEasy()
 	request->SetVerifyPeer(verify_peer);
 	request->SetVerifyHost(verify_host);
 	request->SetOption(CURLOPT_HTTPHEADER, request_headers.Get());
+
+	try {
+		request->SetProxyVerifyPeer(verify_peer);
+		request->SetProxyVerifyHost(verify_host);
+	} catch (...) {
+		/* these methods fail if libCURL was compiled with
+		   CURL_DISABLE_PROXY; ignore silently */
+	}
 }
 
 void
@@ -491,7 +497,7 @@ CurlInputStream::DoSeek(offset_type new_offset)
 
 inline InputStreamPtr
 CurlInputStream::Open(const char *url,
-		      const std::multimap<std::string, std::string> &headers,
+		      const Curl::Headers &headers,
 		      Mutex &mutex)
 {
 	auto icy = std::make_shared<IcyMetaDataParser>();
@@ -510,8 +516,7 @@ CurlInputStream::Open(const char *url,
 }
 
 InputStreamPtr
-OpenCurlInputStream(const char *uri,
-		    const std::multimap<std::string, std::string> &headers,
+OpenCurlInputStream(const char *uri, const Curl::Headers &headers,
 		    Mutex &mutex)
 {
 	return CurlInputStream::Open(uri, headers, mutex);

src/input/plugins/CurlInputPlugin.hxx

@@ -20,12 +20,10 @@
 #ifndef MPD_INPUT_CURL_HXX
 #define MPD_INPUT_CURL_HXX
 
+#include "lib/curl/Headers.hxx"
 #include "input/Ptr.hxx"
 #include "thread/Mutex.hxx"
 
-#include <string>
-#include <map>
-
 extern const struct InputPlugin input_plugin_curl;
 
 /**
@@ -36,8 +34,7 @@ extern const struct InputPlugin input_plugin_curl;
  * Throws on error.
  */
 InputStreamPtr
-OpenCurlInputStream(const char *uri,
-		    const std::multimap<std::string, std::string> &headers,
+OpenCurlInputStream(const char *uri, const Curl::Headers &headers,
 		    Mutex &mutex);
 
 #endif

src/input/plugins/QobuzClient.cxx

@@ -164,7 +164,7 @@ QobuzClient::InvokeHandlers() noexcept
 
 std::string
 QobuzClient::MakeUrl(const char *object, const char *method,
-		     const std::multimap<std::string, std::string> &query) const noexcept
+		     const Curl::Headers &query) const noexcept
 {
 	assert(!query.empty());
 
@@ -183,7 +183,7 @@ QobuzClient::MakeUrl(const char *object, const char *method,
 
 std::string
 QobuzClient::MakeSignedUrl(const char *object, const char *method,
-			   const std::multimap<std::string, std::string> &query) const noexcept
+			   const Curl::Headers &query) const noexcept
 {
 	assert(!query.empty());
 

src/input/plugins/QobuzClient.hxx

@@ -23,12 +23,12 @@
 #include "QobuzSession.hxx"
 #include "QobuzLoginRequest.hxx"
 #include "lib/curl/Init.hxx"
+#include "lib/curl/Headers.hxx"
 #include "thread/Mutex.hxx"
 #include "event/DeferEvent.hxx"
 #include "util/IntrusiveList.hxx"
 
 #include <memory>
-#include <map>
 #include <string>
 
 class QobuzSessionHandler
@@ -94,10 +94,10 @@ public:
 	QobuzSession GetSession() const;
 
 	std::string MakeUrl(const char *object, const char *method,
-			    const std::multimap<std::string, std::string> &query) const noexcept;
+			    const Curl::Headers &query) const noexcept;
 
 	std::string MakeSignedUrl(const char *object, const char *method,
-				  const std::multimap<std::string, std::string> &query) const noexcept;
+				  const Curl::Headers &query) const noexcept;
 
 private:
 	void StartLogin();