release v0.20.22

Closes #373

AUTHORS

@@ -31,3 +31,8 @@ The following people have contributed code to MPD:
  Jean-Francois Dockes <jf@dockes.org>
  Yue Wang <yuleopen@gmail.com>
  Matthew Leon Grinshpun <ml@matthewleon.com>
+ Dimitris Papastamos <sin@2f30.org>
+ Florian Schlichting <fsfs@debian.org>
+ François Revol <revol@free.fr>
+ Jacob Vosmaer <contact@jacobvosmaer.nl>
+ Thomas Guillem <thomas@gllm.fr>

Makefile.am

@@ -61,8 +61,8 @@ src_mpd_LDADD = \
 	libnet.a \
 	$(FS_LIBS) \
 	libsystem.a \
-	libutil.a \
 	$(ICU_LDADD) \
+	libutil.a \
 	$(SYSTEMD_DAEMON_LIBS)
 
 src_mpd_SOURCES = \
@@ -234,6 +234,7 @@ libmpd_a_SOURCES += \
 endif
 
 CURL_SOURCES = \
+	src/lib/curl/Error.hxx \
 	src/lib/curl/Version.cxx src/lib/curl/Version.hxx \
 	src/lib/curl/Global.cxx src/lib/curl/Global.hxx \
 	src/lib/curl/Request.cxx src/lib/curl/Request.hxx \
@@ -275,7 +276,8 @@ libjava_a_SOURCES = \
 noinst_LIBRARIES += libandroid.a
 libandroid_a_SOURCES = \
 	src/android/Context.cxx src/android/Context.hxx \
-	src/android/Environment.cxx src/android/Environment.hxx
+	src/android/Environment.cxx src/android/Environment.hxx \
+	src/android/LogListener.cxx src/android/LogListener.hxx
 libandroid_a_CPPFLAGS = $(AM_CPPFLAGS) -Iandroid/build/include
 
 noinst_LIBRARIES += libmain.a
@@ -285,56 +287,108 @@ libmain_a_CPPFLAGS = $(AM_CPPFLAGS) -Iandroid/build/include
 
 src_mpd_LDADD += libandroid.a libjava.a
 
-all-local: android/build/bin/$(APK_NAME)-debug.apk
+all-local: android/build/$(APK_NAME)-debug.apk
 clean-local:
 	rm -rf android/build
 
 libmpd.so: $(filter %.a,$(src_mpd_LDADD)) libmain.a
+	$(AM_V_GEN)
 	$(AM_V_CXXLD)$(CXXLD) -shared -Wl,--no-undefined,-shared,-Bsymbolic -llog -lz -o $@ $(AM_CXXFLAGS) $(CXXFLAGS) $(LDFLAGS) src/libmain_a-Main.o $(src_mpd_LDADD) $(LIBS)
 
-android/build/build.xml: android/AndroidManifest.xml
+ANDROID_SDK_BUILD_TOOLS_VERSION = 27.0.0
-	rm -rf android/build
+ANDROID_SDK_PLATFORM = android-21
-	mkdir -p android/build/include android/build/res android/build/src/org
-	ln -s $(abs_srcdir)/android/AndroidManifest.xml $(abs_srcdir)/android/custom_rules.xml android/build
-	ln -s $(abs_srcdir)/android/src android/build/src/org/musicpd
-	ln -s $(abs_srcdir)/android/res/values $(abs_srcdir)/android/res/layout android/build/res
-	$(ANDROID_SDK)/tools/android update project --path android/build --target android-17 --name $(APK_NAME)
 
-android/build/bin/classes/org/musicpd/Bridge.class: android/src/Bridge.java android/build/build.xml android/build/res/drawable/icon.png
+ANDROID_BUILD_TOOLS_DIR = $(ANDROID_SDK)/build-tools/$(ANDROID_SDK_BUILD_TOOLS_VERSION)
-	cd android/build && ant compile-jni-classes
+ANDROID_SDK_PLATFORM_DIR = $(ANDROID_SDK)/platforms/$(ANDROID_SDK_PLATFORM)
 
-android/build/include/org_musicpd_Bridge.h: android/build/bin/classes/org/musicpd/Bridge.class
+JAVAC = javac
-	javah -classpath $(ANDROID_SDK)/platforms/android-17/android.jar:android/build/bin/classes -d $(@D) org.musicpd.Bridge
+AIDL = $(ANDROID_BUILD_TOOLS_DIR)/aidl
+AAPT = $(ANDROID_BUILD_TOOLS_DIR)/aapt
+DX = $(ANDROID_BUILD_TOOLS_DIR)/dx
+ZIPALIGN = $(ANDROID_BUILD_TOOLS_DIR)/zipalign
+
+ANDROID_XML_RES := $(wildcard $(srcdir)/android/res/*/*.xml)
+ANDROID_XML_RES_COPIES := $(patsubst $(srcdir)/android/%,android/build/%,$(ANDROID_XML_RES))
+
+JAVA_SOURCE_NAMES = Bridge.java Loader.java Main.java Settings.java
+JAVA_SOURCE_PATHS = $(addprefix $(srcdir)/android/src/,$(JAVA_SOURCE_NAMES))
+
+JAVA_CLASSFILES_DIR = android/build/classes
+
+AIDL_FILES = $(wildcard $(srcdir)/android/src/*.aidl)
+AIDL_JAVA_FILES = $(patsubst $(srcdir)/android/src/%.aidl,android/build/src/org/musicpd/%.java,$(AIDL_FILES))
+
+android/build/src/org/musicpd/IMain.java: android/build/src/org/musicpd/IMainCallback.java
+
+$(AIDL_JAVA_FILES): android/build/src/org/musicpd/%.java: $(srcdir)/android/src/%.aidl
+	$(AM_V_GEN)
+	$(AM_V_at)$(MKDIR_P) $(@D)
+	$(AM_V_at)cp $< $(@D)/
+	$(AM_V_at)$(AIDL) -Iandroid/build/src -oandroid/build/src $(patsubst %.java,%.aidl,$@)
+
+$(ANDROID_XML_RES_COPIES): $(ANDROID_XML_RES)
+	$(AM_V_at)$(MKDIR_P) $(@D)
+	$(AM_V_at)cp $(patsubst android/build/%,$(srcdir)/android/%,$@) $@
+
+android/build/resources.apk: $(ANDROID_XML_RES_COPIES) android/build/res/drawable/icon.png android/build/res/drawable/notification_icon.png
+	$(AM_V_GEN)
+	$(AM_V_at)$(MKDIR_P) android/build/gen
+	$(AM_V_at)$(AAPT) package -f -m --auto-add-overlay \
+		--custom-package org.musicpd \
+		-M $(srcdir)/android/AndroidManifest.xml \
+		-S android/build/res \
+		-J android/build/gen \
+		-I $(ANDROID_SDK_PLATFORM_DIR)/android.jar \
+		-F android/build/resources.apk
+
+# R.java is generated by aapt, when resources.apk is generated
+android/build/gen/org/musicpd/R.java: android/build/resources.apk
+
+android/build/classes.dex: $(JAVA_SOURCE_PATHS) $(AIDL_JAVA_FILES) android/build/gen/org/musicpd/R.java
+	$(AM_V_GEN)
+	$(AM_V_at)$(MKDIR_P) $(JAVA_CLASSFILES_DIR)
+	$(AM_V_at)$(JAVAC) -source 1.6 -target 1.6 -Xlint:-options \
+		-cp $(ANDROID_SDK_PLATFORM_DIR)/android.jar:$(JAVA_CLASSFILES_DIR) \
+		-h android/build/include \
+		-d $(JAVA_CLASSFILES_DIR) $^
+	$(AM_V_at)$(DX) --dex --output $@ $(JAVA_CLASSFILES_DIR)
+
+android/build/include/org_musicpd_Bridge.h: android/build/classes.dex
 
 BUILT_SOURCES = android/build/include/org_musicpd_Bridge.h
 
-android/build/libs/armeabi-v7a/libmpd.so: libmpd.so android/build/build.xml
+android/build/lib/$(ANDROID_ABI)/libmpd.so: libmpd.so
-	mkdir -p $(@D)
+	$(AM_V_GEN)
-	rm -f $@
+	$(AM_V_at)$(MKDIR_P) $(@D)
-	$(STRIP) -o $@ $<
+	$(AM_V_at)rm -f $@
+	$(AM_V_at)$(STRIP) -o $@ $<
 
 android/build/res/drawable/icon.png: mpd.svg
-	mkdir -p $(@D)
+	$(AM_V_GEN)
-	rsvg-convert --width=48 --height=48 $< -o $@
+	$(AM_V_at)$(MKDIR_P) $(@D)
+	$(AM_V_at)rsvg-convert --width=48 --height=48 $< -o $@
 
-APK_DEPS = android/build/res/drawable/icon.png \
+android/build/res/drawable/notification_icon.png: android/build/res/drawable/icon.png
-	android/build/libs/armeabi-v7a/libmpd.so \
+	$(AM_V_GEN)
-	$(wildcard $(srcdir)/android/src/*.java) \
+	$(AM_V_at)convert $< -colorspace Gray -gamma 2.2 $@
-	android/build/build.xml
 
-android/build/bin/$(APK_NAME)-debug.apk: $(APK_DEPS)
+.DELETE_ON_ERROR: android/build/unsigned.apk
-	cd android/build && ant nodeps debug
+android/build/unsigned.apk: android/build/classes.dex android/build/resources.apk android/build/lib/$(ANDROID_ABI)/libmpd.so
+	$(AM_V_GEN)
+	$(AM_V_at)cp android/build/resources.apk $@
+	$(AM_V_at)cd $(@D) && zip -q -r $(@F) classes.dex lib
 
-android/build/bin/$(APK_NAME)-release-unsigned.apk: $(APK_DEPS)
+android/build/$(APK_NAME)-debug.apk: android/build/unsigned.apk
-	cd android/build && ant nodeps release
+	$(AM_V_GEN)
+	$(AM_V_at)jarsigner -keystore $(HOME)/.android/debug.keystore -storepass android -signedjar $@ $< androiddebugkey
 
-android/build/bin/$(APK_NAME)-release-unaligned.apk: android/build/bin/$(APK_NAME)-release-unsigned.apk
+android/build/$(APK_NAME)-release-unaligned.apk: android/build/unsigned.apk
-	jarsigner -digestalg SHA1 -sigalg MD5withRSA -storepass:env ANDROID_KEYSTORE_PASS -keystore $(ANDROID_KEYSTORE) -signedjar $@ $< $(ANDROID_KEY_ALIAS)
+	$(AM_V_GEN)
+	$(AM_V_at)jarsigner -digestalg SHA1 -sigalg MD5withRSA -storepass:env ANDROID_KEYSTORE_PASS -keystore $(ANDROID_KEYSTORE) -signedjar $@ $< $(ANDROID_KEY_ALIAS)
 
-ANDROID_SDK_BUILD_TOOLS_VERSION = 20.0.0
+android/build/$(APK_NAME).apk: android/build/$(APK_NAME)-release-unaligned.apk
-
+	$(AM_V_GEN)
-android/build/bin/$(APK_NAME).apk: android/build/bin/$(APK_NAME)-release-unaligned.apk
+	$(AM_V_at)$(ZIPALIGN) -f 4 $< $@
-	$(ANDROID_SDK)/build-tools/$(ANDROID_SDK_BUILD_TOOLS_VERSION)/zipalign -f 4 $< $@
 
 endif
 
@@ -417,6 +471,7 @@ libutil_a_SOURCES = \
 	src/util/NumberParser.hxx \
 	src/util/MimeType.cxx src/util/MimeType.hxx \
 	src/util/StringBuffer.hxx \
+	src/util/StringFormat.hxx \
 	src/util/StringPointer.hxx \
 	src/util/StringView.cxx src/util/StringView.hxx \
 	src/util/AllocatedString.cxx src/util/AllocatedString.hxx \
@@ -470,6 +525,7 @@ libthread_a_SOURCES = \
 
 libnet_a_SOURCES = \
 	src/net/Features.hxx \
+	src/net/Init.hxx \
 	src/net/ToString.cxx src/net/ToString.hxx \
 	src/net/Resolver.cxx src/net/Resolver.hxx \
 	src/net/StaticSocketAddress.cxx src/net/StaticSocketAddress.hxx \
@@ -684,6 +740,7 @@ NFS_SOURCES = \
 	src/lib/nfs/Cancellable.hxx \
 	src/lib/nfs/Lease.hxx \
 	src/lib/nfs/Connection.cxx src/lib/nfs/Connection.hxx \
+	src/lib/nfs/Error.cxx src/lib/nfs/Error.hxx \
 	src/lib/nfs/Manager.cxx src/lib/nfs/Manager.hxx \
 	src/lib/nfs/Glue.cxx src/lib/nfs/Glue.hxx \
 	src/lib/nfs/Base.cxx src/lib/nfs/Base.hxx \
@@ -706,6 +763,8 @@ libstorage_a_SOURCES = \
 	src/storage/FileInfo.hxx
 
 libstorage_a_CPPFLAGS = $(AM_CPPFLAGS) \
+	$(CURL_CFLAGS) \
+	$(EXPAT_CFLAGS) \
 	$(NFS_CFLAGS) \
 	$(SMBCLIENT_CFLAGS)
 
@@ -918,13 +977,14 @@ libtag_a_SOURCES =\
 	src/tag/TagItem.hxx \
 	src/tag/TagHandler.cxx src/tag/TagHandler.hxx \
 	src/tag/Mask.hxx \
+	src/tag/Fallback.hxx \
+	src/tag/VisitFallback.hxx \
 	src/tag/Settings.cxx src/tag/Settings.hxx \
 	src/tag/TagConfig.cxx src/tag/TagConfig.hxx \
 	src/tag/TagNames.c \
 	src/tag/TagString.cxx src/tag/TagString.hxx \
 	src/tag/TagPool.cxx src/tag/TagPool.hxx \
 	src/tag/TagTable.cxx src/tag/TagTable.hxx \
-	src/tag/Set.cxx src/tag/Set.hxx \
 	src/tag/Format.cxx src/tag/Format.hxx \
 	src/tag/VorbisComment.cxx src/tag/VorbisComment.hxx \
 	src/tag/ReplayGain.cxx src/tag/ReplayGain.hxx \
@@ -1264,7 +1324,7 @@ endif
 #
 
 libinput_a_SOURCES = \
-	src/input/Domain.cxx src/input/Domain.hxx \
+	src/input/Error.cxx src/input/Error.hxx \
 	src/input/Init.cxx src/input/Init.hxx \
 	src/input/Registry.cxx src/input/Registry.hxx \
 	src/input/Open.cxx \
@@ -1642,6 +1702,13 @@ FILTER_LIBS = \
 	$(PCM_LIBS)
 
 
+#
+# Icon
+#
+
+iconsdir = $(datadir)/icons/hicolor/scalable/apps
+icons_DATA = mpd.svg
+
 #
 # systemd unit
 #
@@ -2132,6 +2199,7 @@ test_run_output_LDADD = $(MPD_LIBS) \
 	libutil.a
 test_run_output_SOURCES = test/run_output.cxx \
 	test/ScopeIOThread.hxx \
+	test/NullMixerListener.hxx \
 	src/Log.cxx src/LogBackend.cxx \
 	src/IOThread.cxx \
 	src/output/Domain.cxx \
@@ -2155,6 +2223,7 @@ test_read_mixer_LDADD = \
 	libsystem.a \
 	libutil.a
 test_read_mixer_SOURCES = test/read_mixer.cxx \
+	test/NullMixerListener.hxx \
 	src/Log.cxx src/LogBackend.cxx \
 	src/mixer/MixerControl.cxx \
 	src/filter/FilterPlugin.cxx \
@@ -2409,6 +2478,7 @@ endif
 #
 
 EXTRA_DIST = $(doc_DATA) autogen.sh \
+	mpd.svg \
 	test/test_archive_bzip2.sh  \
 	test/test_archive_iso9660.sh \
 	test/test_archive_zzip.sh \

NEWS

@@ -1,3 +1,106 @@
+ver 0.20.22 (2018/10/23)
+* protocol
+  - add tag fallbacks for AlbumArtistSort, ArtistSort
+  - fix empty string filter on fallback tags
+  - "count group ..." can print an empty group
+  - fix broken command "list ... group"
+* storage
+  - curl: URL-encode paths
+* decoder
+  - fluidsynth: adapt to API change in version 2.0
+* Android
+  - now runs as a service
+  - add button to start/stop MPD
+  - add option to auto-start on boot
+* work around clang bug leading to crash
+* install the SVG icon
+
+ver 0.20.21 (2018/08/17)
+* database
+  - proxy: add "password" setting
+  - proxy: support tags "ArtistSort", "AlbumArtistSort", "AlbumSort"
+  - simple: allow .mpdignore comments only at start of line
+* output
+  - httpd: remove broken DLNA support code
+* playlist
+  - cue: support file type declaration "FLAC" (non-standard)
+* URI schemes are case insensitive
+* Android, Windows
+  - enable the "curl" storage plugin
+
+ver 0.20.20 (2018/05/22)
+* protocol
+  - fix "modified-since" filter regression
+* output
+  - pulse: cork stream when paused due to "single" mode
+* decoder
+  - dsdiff, dsf: support more MIME types
+  - dsdiff, dsf: allow 4 MB ID3 tags
+  - opus: support R128_ALBUM_GAIN tag
+* Android, Windows
+  - enable the "proxy" database plugin
+
+ver 0.20.19 (2018/04/26)
+* protocol
+  - validate absolute seek time, reject negative values
+* database
+  - proxy: fix "search already in progress" errors
+  - proxy: implement "list ... group"
+* input
+  - mms: fix lockup bug and a crash bug
+* decoder
+  - ffmpeg: fix av_register_all() deprecation warning (FFmpeg 4.0)
+* player
+  - fix spurious "Not seekable" error when switching radio streams
+* macOS: fix crash bug
+
+ver 0.20.18 (2018/02/24)
+* input
+  - curl: allow authentication methods other than "Basic"
+* decoder
+  - flac: improve seeking precision
+* fix gapless CUE song transitions
+* Android, Windows
+  - enable the NFS storage plugin
+
+ver 0.20.17 (2018/02/11)
+* output
+  - alsa: fix crash bug with 8 channels
+* mixer
+  - alsa: fix rounding error at volume 0
+* fix real-time and idle scheduling with Musl
+* Android
+  - fix compatibility with Android 4.0
+
+ver 0.20.16 (2018/02/03)
+* output
+  - pulse: fix crash during auto-detection
+* database
+  - simple: fix search within mount points
+  - upnp: enable IPv6
+* archive
+  - iso9660: libcdio 2.0 compatibility
+* fix crash in debug build on Haiku and other operating systems
+
+ver 0.20.15 (2018/01/05)
+* queue: fix crash after seek failure
+* resampler
+  - soxr: clear internal state after manual song change
+* state file
+  - make mount point restore errors non-fatal
+  - fix crash when restoring mounts with incompatible database plugin
+* Android
+  - build without Ant
+  - fix for SIGSYS crash
+
+ver 0.20.14 (2018/01/01)
+* database
+  - simple: fix file corruption in the presence of mount points
+* archive
+  - bz2: fix deadlock
+  - reduce lock contention, fixing lots of xrun problems
+* fix Solaris build failure
+
 ver 0.20.13 (2017/12/18)
 * output
   - osx: set up ring buffer to hold at least 100ms

android/AndroidManifest.xml

@@ -2,23 +2,32 @@
 <manifest xmlns:android="http://schemas.android.com/apk/res/android"
           package="org.musicpd"
           android:installLocation="auto"
-          android:versionCode="13"
+          android:versionCode="21"
-          android:versionName="0.19.9">
+          android:versionName="0.20.22">
 
-  <uses-sdk android:minSdkVersion="9" android:targetSdkVersion="17"/>
+  <uses-sdk android:minSdkVersion="21" android:targetSdkVersion="26"/>
 
-  <application android:icon="@drawable/icon" android:label="@string/app_name">
+  <uses-permission android:name="android.permission.READ_EXTERNAL_STORAGE"/>
-    <activity android:name=".Main"
+  <uses-permission android:name="android.permission.WAKE_LOCK"/>
-              android:label="@string/app_name"
+  <uses-permission android:name="android.permission.INTERNET"/>
-              android:launchMode="singleInstance">
+  <uses-permission android:name="android.permission.RECEIVE_BOOT_COMPLETED" />
+
+  <application android:allowBackup="true"
+               android:icon="@drawable/icon"
+               android:label="@string/app_name">
+    <activity android:name=".Settings"
+              android:label="@string/app_name">
       <intent-filter>
         <action android:name="android.intent.action.MAIN" />
         <category android:name="android.intent.category.LAUNCHER" />
       </intent-filter>
     </activity>
+    <receiver android:name=".Receiver">
+      <intent-filter>
+        <action android:name="android.intent.action.BOOT_COMPLETED" />
+      </intent-filter>
+    </receiver>
+    <service android:name=".Main" android:process=":main"/>
   </application>
 
-  <uses-permission android:name="android.permission.READ_EXTERNAL_STORAGE"/>
-  <uses-permission android:name="android.permission.WAKE_LOCK"/>
-  <uses-permission android:name="android.permission.INTERNET"/>
 </manifest>

android/build.py

@@ -3,13 +3,14 @@
 import os, os.path
 import sys, subprocess
 
-if len(sys.argv) < 3:
+if len(sys.argv) < 4:
-    print("Usage: build.py SDK_PATH NDK_PATH [configure_args...]", file=sys.stderr)
+    print("Usage: build.py SDK_PATH NDK_PATH ABI [configure_args...]", file=sys.stderr)
     sys.exit(1)
 
 sdk_path = sys.argv[1]
 ndk_path = sys.argv[2]
-configure_args = sys.argv[3:]
+android_abi = sys.argv[3]
+configure_args = sys.argv[4:]
 
 if not os.path.isfile(os.path.join(sdk_path, 'tools', 'android')):
     print("SDK not found in", ndk_path, file=sys.stderr)
@@ -19,8 +20,36 @@ 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',
+        'toolchain_arch': 'arm-linux-androideabi',
+        'llvm_triple': 'armv7-none-linux-androideabi',
+        'cflags': '-march=armv7-a -mfpu=vfp -mfloat-abi=softfp',
+    },
+
+    'arm64-v8a': {
+        'android_api_level': '21',
+        'arch': 'aarch64-linux-android',
+        'ndk_arch': 'arm64',
+        'toolchain_arch': 'aarch64-linux-android',
+        'llvm_triple': 'aarch64-none-linux-android',
+        'cflags': '',
+    },
+
+    'x86': {
+        'arch': 'i686-linux-android',
+        'ndk_arch': 'x86',
+        'toolchain_arch': 'x86',
+        'llvm_triple': 'i686-none-linux-android',
+        'cflags': '-march=i686 -mtune=intel -mssse3 -mfpmath=sse -m32',
+    },
+}
+
 # select the NDK target
-arch = 'arm-linux-androideabi'
+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 '.', '..'))
@@ -44,16 +73,16 @@ class AndroidNdkToolchain:
         self.src_path = src_path
         self.build_path = build_path
 
-        self.ndk_arch = 'arm'
+        ndk_arch = abi_info['ndk_arch']
-        android_abi = 'armeabi-v7a'
+        android_api_level = '21'
-        ndk_platform = 'android-21'
+        ndk_platform = 'android-' + android_api_level
 
         # select the NDK compiler
         gcc_version = '4.9'
 
         ndk_platform_path = os.path.join(ndk_path, 'platforms', ndk_platform)
         sysroot = os.path.join(ndk_path, 'sysroot')
-        target_root = os.path.join(ndk_platform_path, 'arch-' + self.ndk_arch)
+        target_root = os.path.join(ndk_platform_path, 'arch-' + ndk_arch)
 
         install_prefix = os.path.join(arch_path, 'root')
 
@@ -61,11 +90,13 @@ class AndroidNdkToolchain:
         self.install_prefix = install_prefix
         self.sysroot = sysroot
 
-        toolchain_path = os.path.join(ndk_path, 'toolchains', arch + '-' + gcc_version, 'prebuilt', build_arch)
+        toolchain_path = os.path.join(ndk_path, 'toolchains', abi_info['toolchain_arch'] + '-' + gcc_version, 'prebuilt', build_arch)
         llvm_path = os.path.join(ndk_path, 'toolchains', 'llvm', 'prebuilt', build_arch)
-        llvm_triple = 'armv7-none-linux-androideabi'
+        llvm_triple = abi_info['llvm_triple']
 
-        common_flags = '-march=armv7-a -mfloat-abi=softfp'
+        common_flags = '-Os -g'
+        common_flags += ' -fPIC'
+        common_flags += ' ' + abi_info['cflags']
 
         toolchain_bin = os.path.join(toolchain_path, 'bin')
         llvm_bin = os.path.join(llvm_path, 'bin')
@@ -73,17 +104,19 @@ class AndroidNdkToolchain:
         self.cxx = os.path.join(llvm_bin, 'clang++')
         common_flags += ' -target ' + llvm_triple + ' -integrated-as -gcc-toolchain ' + toolchain_path
 
+        common_flags += ' -fvisibility=hidden -fdata-sections -ffunction-sections'
+
         self.ar = os.path.join(toolchain_bin, arch + '-ar')
         self.ranlib = os.path.join(toolchain_bin, arch + '-ranlib')
         self.nm = os.path.join(toolchain_bin, arch + '-nm')
         self.strip = os.path.join(toolchain_bin, arch + '-strip')
 
-        self.cflags = '-Os -g ' + common_flags
+        self.cflags = common_flags
-        self.cxxflags = '-Os -g ' + common_flags
+        self.cxxflags = common_flags
         self.cppflags = '--sysroot=' + sysroot + \
             ' -isystem ' + os.path.join(install_prefix, 'include') + \
             ' -isystem ' + os.path.join(sysroot, 'usr', 'include', arch) + \
-            ' -D__ANDROID_API__=21'
+            ' -D__ANDROID_API__=' + android_api_level
         self.ldflags = '--sysroot=' + sysroot + \
             ' -L' + os.path.join(install_prefix, 'lib') + \
             ' -L' + os.path.join(target_root, 'usr', 'lib') + \
@@ -91,22 +124,23 @@ class AndroidNdkToolchain:
             ' ' + common_flags
         self.libs = ''
 
-        self.is_arm = self.ndk_arch == 'arm'
+        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
 
         libcxx_path = os.path.join(ndk_path, 'sources/cxx-stl/llvm-libc++')
         libcxx_libs_path = os.path.join(libcxx_path, 'libs', android_abi)
 
-        libstdcxx_cppflags = '-nostdinc++ -isystem ' + os.path.join(libcxx_path, 'include') + ' -isystem ' + os.path.join(ndk_path, 'sources/android/support/include')
+        libstdcxx_flags = ''
-        libstdcxx_ldadd = os.path.join(libcxx_libs_path, 'libc++_static.a') + ' ' + os.path.join(libcxx_libs_path, 'libc++abi.a')
+        libstdcxx_cxxflags = libstdcxx_flags + ' -isystem ' + os.path.join(libcxx_path, 'include') + ' -isystem ' + os.path.join(ndk_path, 'sources/android/support/include')
-
+        libstdcxx_ldflags = libstdcxx_flags + ' -L' + libcxx_libs_path
-        if self.is_armv7:
+        libstdcxx_libs = '-lc++_static -lc++abi'
-            libstdcxx_ldadd += ' ' + os.path.join(libcxx_libs_path, 'libunwind.a')
 
         if use_cxx:
-            self.libs += ' ' + libstdcxx_ldadd
+            self.cxxflags += ' ' + libstdcxx_cxxflags
-            self.cppflags += ' ' + libstdcxx_cppflags
+            self.ldflags += ' ' + libstdcxx_ldflags
+            self.libs += ' ' + libstdcxx_libs
 
         self.env = dict(os.environ)
 
@@ -117,14 +151,16 @@ class AndroidNdkToolchain:
 # a list of third-party libraries to be used by MPD on Android
 from build.libs import *
 thirdparty_libs = [
+    libmpdclient,
     libogg,
     libvorbis,
     opus,
     flac,
     libid3tag,
-    libmad,
     ffmpeg,
     curl,
+    libexpat,
+    libnfs,
     boost,
 ]
 

android/res/layout/custom_notification_gb.xml

@@ -0,0 +1,22 @@
+<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    android:id="@+id/layout"
+    android:layout_width="fill_parent"
+    android:layout_height="fill_parent"
+    android:padding="10dp" >
+    <ImageView android:id="@+id/image"
+        android:layout_width="wrap_content"
+        android:layout_height="fill_parent"
+        android:layout_alignParentLeft="true"
+        android:layout_marginRight="10dp" />
+    <TextView android:id="@+id/title"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_toRightOf="@id/image"
+        style="Custom Notification Title" />
+    <TextView android:id="@+id/text"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_toRightOf="@id/image"
+        android:layout_below="@id/title"
+        style="Custom Notification Text" />
+</RelativeLayout>

android/res/layout/log_item.xml

@@ -0,0 +1,5 @@
+<?xml version="1.0" encoding="utf-8"?>
+<TextView xmlns:android="http://schemas.android.com/apk/res/android"
+    android:layout_width="match_parent"
+    android:layout_height="wrap_content"
+    android:typeface="monospace" />

android/res/layout/settings.xml

@@ -0,0 +1,37 @@
+<?xml version="1.0" encoding="utf-8"?>
+<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    android:layout_width="match_parent"
+    android:layout_height="wrap_content"
+    android:orientation="vertical" >
+
+    <ToggleButton
+        android:id="@+id/run"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:textOn="@string/toggle_button_run_on"
+        android:textOff="@string/toggle_button_run_off" />
+
+    <CheckBox
+        android:id="@+id/run_on_boot"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:text="@string/checkbox_run_on_boot" />
+
+    <CheckBox
+        android:id="@+id/wakelock"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:text="@string/checkbox_wakelock" />
+
+    <TextView
+        android:id="@+id/status"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content" />
+
+    <ListView
+		android:id="@+id/log_list"
+	    android:layout_width="match_parent"
+	    android:layout_height="wrap_content"
+	    android:paddingTop="10dip" />
+
+</LinearLayout>

android/res/values/strings.xml

@@ -2,4 +2,10 @@
 
 <resources>
   <string name="app_name">MPD</string>
+  <string name="notification_title_mpd_running">Music Player Daemon is running</string>
+  <string name="notification_text_mpd_running">Touch for MPD options.</string>
+  <string name="toggle_button_run_on">MPD is running</string>
+  <string name="toggle_button_run_off">MPD is not running</string>
+  <string name="checkbox_run_on_boot">Run MPD automatically on boot</string>
+  <string name="checkbox_wakelock">Prevent suspend when MPD is running (Wakelock)</string>
 </resources>

android/src/Bridge.java

@@ -25,6 +25,12 @@ import android.content.Context;
  * Bridge to native code.
  */
 public class Bridge {
-	public static native void run(Context context);
+
+	/* used by jni */
+	public interface LogListener {
+		public void onLog(int priority, String msg);
+	}
+
+	public static native void run(Context context, LogListener logListener);
 	public static native void shutdown();
 }

android/src/IMain.aidl

@@ -0,0 +1,12 @@
+package org.musicpd;
+import org.musicpd.IMainCallback;
+
+interface IMain
+{
+    void start();
+    void stop();
+    void setWakelockEnabled(boolean enabled);
+    boolean isRunning();
+    void registerCallback(IMainCallback cb);
+    void unregisterCallback(IMainCallback cb);
+}

android/src/IMainCallback.aidl

@@ -0,0 +1,9 @@
+package org.musicpd;
+
+interface IMainCallback
+{
+    void onStarted();
+    void onStopped();
+    void onError(String error);
+    void onLog(int priority, String msg);
+}

android/src/Main.java

@@ -19,57 +19,360 @@
 
 package org.musicpd;
 
-import android.app.Activity;
+import android.annotation.TargetApi;
-import android.os.Bundle;
+import android.app.Notification;
+import android.app.PendingIntent;
+import android.app.Service;
+import android.content.ComponentName;
+import android.content.Context;
+import android.content.Intent;
+import android.content.ServiceConnection;
 import android.os.Build;
-import android.os.Handler;
+import android.os.IBinder;
-import android.os.Message;
+import android.os.PowerManager;
-import android.widget.TextView;
+import android.os.RemoteCallbackList;
+import android.os.RemoteException;
 import android.util.Log;
+import android.widget.RemoteViews;
 
-public class Main extends Activity implements Runnable {
+public class Main extends Service implements Runnable {
-	private static final String TAG = "MPD";
+	private static final String TAG = "Main";
+	private static final String REMOTE_ERROR = "MPD process was killed";
+	private static final int MAIN_STATUS_ERROR = -1;
+	private static final int MAIN_STATUS_STOPPED = 0;
+	private static final int MAIN_STATUS_STARTED = 1;
 
-	Thread thread;
+	private static final int MSG_SEND_STATUS = 0;
+	private static final int MSG_SEND_LOG = 1;
 
-	TextView textView;
+	private Thread mThread = null;
+	private int mStatus = MAIN_STATUS_STOPPED;
+	private boolean mAbort = false;
+	private String mError = null;
+	private final RemoteCallbackList<IMainCallback> mCallbacks = new RemoteCallbackList<IMainCallback>();
+	private final IBinder mBinder = new MainStub(this);
+	private PowerManager.WakeLock mWakelock = null;
 
-	final Handler quitHandler = new Handler() {
+	static class MainStub extends IMain.Stub {
-			public void handleMessage(Message msg) {
+		private Main mService;
-				textView.setText("Music Player Daemon has quit");
+		MainStub(Main service) {
+			mService = service;
+		}
+		public void start() {
+			mService.start();
+		}
+		public void stop() {
+			mService.stop();
+		}
+		public void setWakelockEnabled(boolean enabled) {
+			mService.setWakelockEnabled(enabled);
+		}
+		public boolean isRunning() {
+			return mService.isRunning();
+		}
+		public void registerCallback(IMainCallback cb) {
+			mService.registerCallback(cb);
+		}
+		public void unregisterCallback(IMainCallback cb) {
+			mService.unregisterCallback(cb);
+		}
+	}
 
-				// TODO: what now?  restart?
+	private synchronized void sendMessage(int what, int arg1, int arg2, Object obj) {
+		int i = mCallbacks.beginBroadcast();
+		while (i > 0) {
+			i--;
+			final IMainCallback cb = mCallbacks.getBroadcastItem(i);
+			try {
+				switch (what) {
+				case MSG_SEND_STATUS:
+					switch (arg1) {
+					case MAIN_STATUS_ERROR:
+						cb.onError((String)obj);
+						break;
+					case MAIN_STATUS_STOPPED:
+						cb.onStopped();
+						break;
+					case MAIN_STATUS_STARTED:
+						cb.onStarted();
+						break;
+					}
+					break;
+				case MSG_SEND_LOG:
+					cb.onLog(arg1, (String) obj);
+					break;
+				}
+			} catch (RemoteException e) {
+			}
+		}
+		mCallbacks.finishBroadcast();
+	}
+
+	private Bridge.LogListener mLogListener = new Bridge.LogListener() {
+		@Override
+		public void onLog(int priority, String msg) {
+			sendMessage(MSG_SEND_LOG, priority, 0, msg);
+		}
+	};
+
+	@Override
+	public IBinder onBind(Intent intent) {
+		return mBinder;
+	}
+
+	@Override
+	public int onStartCommand(Intent intent, int flags, int startId) {
+		start();
+		if (intent != null && intent.getBooleanExtra("wakelock", false))
+			setWakelockEnabled(true);
+		return START_STICKY;
+	}
+
+	@Override
+	public void run() {
+		if (!Loader.loaded) {
+			final String error = "Failed to load the native MPD libary.\n" +
+				"Report this problem to us, and include the following information:\n" +
+				"SUPPORTED_ABIS=" + String.join(", ", Build.SUPPORTED_ABIS) + "\n" +
+				"PRODUCT=" + Build.PRODUCT + "\n" +
+				"FINGERPRINT=" + Build.FINGERPRINT + "\n" +
+				"error=" + Loader.error;
+			setStatus(MAIN_STATUS_ERROR, error);
+			stopSelf();
+			return;
+		}
+		synchronized (this) {
+			if (mAbort)
+				return;
+			setStatus(MAIN_STATUS_STARTED, null);
+		}
+		Bridge.run(this, mLogListener);
+		setStatus(MAIN_STATUS_STOPPED, null);
+	}
+
+	private synchronized void setStatus(int status, String error) {
+		mStatus = status;
+		mError = error;
+		sendMessage(MSG_SEND_STATUS, mStatus, 0, mError);
+	}
+
+	private void start() {
+		if (mThread != null)
+			return;
+		mThread = new Thread(this);
+		mThread.start();
+
+		final Intent mainIntent = new Intent(this, Settings.class);
+		mainIntent.setAction("android.intent.action.MAIN");
+		mainIntent.addCategory("android.intent.category.LAUNCHER");
+		final PendingIntent contentIntent = PendingIntent.getActivity(this, 0,
+				mainIntent, PendingIntent.FLAG_CANCEL_CURRENT);
+
+		Notification notification = new Notification.Builder(this)
+			.setContentTitle(getText(R.string.notification_title_mpd_running))
+			.setContentText(getText(R.string.notification_text_mpd_running))
+			.setSmallIcon(R.drawable.notification_icon)
+			.setContentIntent(contentIntent)
+			.build();
+
+		startForeground(R.string.notification_title_mpd_running, notification);
+		startService(new Intent(this, Main.class));
+	}
+
+	private void stop() {
+		if (mThread != null) {
+			if (mThread.isAlive()) {
+				synchronized (this) {
+					if (mStatus == MAIN_STATUS_STARTED)
+						Bridge.shutdown();
+					else
+						mAbort = true;
+				}
+			}
+			try {
+				mThread.join();
+				mThread = null;
+				mAbort = false;
+			} catch (InterruptedException ie) {}
+		}
+		setWakelockEnabled(false);
+		stopForeground(true);
+		stopSelf();
+	}
+
+	private void setWakelockEnabled(boolean enabled) {
+		if (enabled && mWakelock == null) {
+			PowerManager pm = (PowerManager)getSystemService(Context.POWER_SERVICE);
+			mWakelock = pm.newWakeLock(PowerManager.PARTIAL_WAKE_LOCK, TAG);
+			mWakelock.acquire();
+			Log.d(TAG, "Wakelock acquired");
+		} else if (!enabled && mWakelock != null) {
+			mWakelock.release();
+			mWakelock = null;
+			Log.d(TAG, "Wakelock released");
+		}
+	}
+
+	private boolean isRunning() {
+		return mThread != null && mThread.isAlive();
+	}
+
+	private void registerCallback(IMainCallback cb) {
+		if (cb != null) {
+			mCallbacks.register(cb);
+			sendMessage(MSG_SEND_STATUS, mStatus, 0, mError);
+		}
+	}
+
+	private void unregisterCallback(IMainCallback cb) {
+		if (cb != null) {
+			mCallbacks.unregister(cb);
+		}
+	}
+
+	/*
+	 * Client that bind the Main Service in order to send commands and receive callback
+	 */
+	public static class Client {
+
+		public interface Callback {
+			public void onStarted();
+			public void onStopped();
+			public void onError(String error);
+			public void onLog(int priority, String msg);
+		}
+
+		private boolean mBound = false;
+		private final Context mContext;
+		private Callback mCallback;
+		private IMain mIMain = null;
+
+		private final IMainCallback.Stub mICallback = new IMainCallback.Stub() {
+
+			@Override
+			public void onStopped() throws RemoteException {
+				mCallback.onStopped();
+			}
+
+			@Override
+			public void onStarted() throws RemoteException {
+				mCallback.onStarted();
+			}
+
+			@Override
+			public void onError(String error) throws RemoteException {
+				mCallback.onError(error);
+			}
+
+			@Override
+			public void onLog(int priority, String msg) throws RemoteException {
+				mCallback.onLog(priority, msg);
 			}
 		};
 
-	@Override protected void onCreate(Bundle savedInstanceState) {
+		private final ServiceConnection mServiceConnection = new ServiceConnection() {
-		super.onCreate(savedInstanceState);
 
-		if (!Loader.loaded) {
+			@Override
-			TextView tv = new TextView(this);
+			public void onServiceConnected(ComponentName name, IBinder service) {
-			tv.setText("Failed to load the native MPD libary.\n" +
+				synchronized (this) {
-				   "Report this problem to us, and include the following information:\n" +
+					mIMain = IMain.Stub.asInterface(service);
-				   "ABI=" + Build.CPU_ABI + "\n" +
+					try {
-				   "PRODUCT=" + Build.PRODUCT + "\n" +
+						if (mCallback != null)
-				   "FINGERPRINT=" + Build.FINGERPRINT + "\n" +
+							mIMain.registerCallback(mICallback);
-				   "error=" + Loader.error);
+					} catch (RemoteException e) {
-			setContentView(tv);
+						if (mCallback != null)
-			return;
+							mCallback.onError(REMOTE_ERROR);
+					}
+				}
+			}
+
+			@Override
+			public void onServiceDisconnected(ComponentName name) {
+				if (mCallback != null)
+					mCallback.onError(REMOTE_ERROR);
+			}
+		};
+
+		public Client(Context context, Callback cb) throws IllegalArgumentException {
+			if (context == null)
+				throw new IllegalArgumentException("Context can't be null");
+			mContext = context;
+			mCallback = cb;
+			mBound = mContext.bindService(new Intent(mContext, Main.class), mServiceConnection, Context.BIND_AUTO_CREATE);
 		}
 
-		if (thread == null || !thread.isAlive()) {
+		public boolean start() {
-			thread = new Thread(this, "NativeMain");
+			synchronized (this) {
-			thread.start();
+				if (mIMain != null) {
+					try {
+						mIMain.start();
+						return true;
+					} catch (RemoteException e) {
+					}
+				}
+				return false;
+			}
 		}
 
-		textView = new TextView(this);
+		public boolean stop() {
-		textView.setText("Music Player Daemon is running"
+			synchronized (this) {
-				 + "\nCAUTION: this version is EXPERIMENTAL!");
+				if (mIMain != null) {
-		setContentView(textView);
+					try {
+						mIMain.stop();
+						return true;
+					} catch (RemoteException e) {
+					}
+				}
+				return false;
+			}
+		}
+
+		public boolean setWakelockEnabled(boolean enabled) {
+			synchronized (this) {
+				if (mIMain != null) {
+					try {
+						mIMain.setWakelockEnabled(enabled);
+						return true;
+					} catch (RemoteException e) {
+					}
+				}
+				return false;
+			}
+		}
+
+		public boolean isRunning() {
+			synchronized (this) {
+				if (mIMain != null) {
+					try {
+						return mIMain.isRunning();
+					} catch (RemoteException e) {
+					}
+				}
+				return false;
+			}
+		}
+
+		public void release() {
+			if (mBound) {
+				synchronized (this) {
+					if (mIMain != null && mICallback != null) {
+						try {
+							if (mCallback != null)
+								mIMain.unregisterCallback(mICallback);
+						} catch (RemoteException e) {
+						}
+					}
+				}
+				mBound = false;
+				mContext.unbindService(mServiceConnection);
+			}
+		}
 	}
 
-	@Override public void run() {
+	/*
-		Bridge.run(this);
+	 * start Main service without any callback
-		quitHandler.sendMessage(quitHandler.obtainMessage());
+	 */
+	public static void start(Context context, boolean wakelock) {
+		context.startService(new Intent(context, Main.class).putExtra("wakelock", wakelock));
 	}
 }

android/src/Receiver.java

@@ -0,0 +1,41 @@
+
+/*
+ * Copyright (C) 2003-2014 The Music Player Daemon Project
+ * http://www.musicpd.org
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ */
+
+package org.musicpd;
+
+import android.content.BroadcastReceiver;
+import android.content.Context;
+import android.content.Intent;
+import android.util.Log;
+
+public class Receiver extends BroadcastReceiver {
+    @Override
+    public void onReceive(Context context, Intent intent) {
+        Log.d("Receiver", "onReceive: " + intent);
+        if (intent.getAction() == "android.intent.action.BOOT_COMPLETED") {
+        	if (Settings.Preferences.getBoolean(context,
+        			Settings.Preferences.KEY_RUN_ON_BOOT, false)) {
+        		final boolean wakelock = Settings.Preferences.getBoolean(context,
+        				Settings.Preferences.KEY_WAKELOCK, false);
+        		Main.start(context, wakelock);
+        	}
+        }
+    }
+}

android/src/Settings.java

@@ -0,0 +1,254 @@
+/*
+ * Copyright 2003-2018 The Music Player Daemon Project
+ * http://www.musicpd.org
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ */
+
+package org.musicpd;
+
+import java.util.LinkedList;
+
+import android.app.Activity;
+import android.content.Context;
+import android.content.SharedPreferences;
+import android.content.SharedPreferences.Editor;
+import android.os.Bundle;
+import android.os.Handler;
+import android.os.Message;
+import android.util.Log;
+import android.widget.ArrayAdapter;
+import android.widget.CheckBox;
+import android.widget.CompoundButton;
+import android.widget.CompoundButton.OnCheckedChangeListener;
+import android.widget.ListView;
+import android.widget.TextView;
+import android.widget.ToggleButton;
+
+public class Settings extends Activity {
+	private static final String TAG = "Settings";
+	private Main.Client mClient;
+	private TextView mTextStatus;
+	private ToggleButton mRunButton;
+	private boolean mFirstRun;
+	private LinkedList<String> mLogListArray = new LinkedList<String>();
+	private ListView mLogListView;
+	private ArrayAdapter<String> mLogListAdapter;
+
+	private static final int MAX_LOGS = 500;
+
+	private static final int MSG_ERROR = 0;
+	private static final int MSG_STOPPED = 1;
+	private static final int MSG_STARTED = 2;
+	private static final int MSG_LOG = 3;
+
+	public static class Preferences {
+		public static final String KEY_RUN_ON_BOOT ="run_on_boot";
+		public static final String KEY_WAKELOCK ="wakelock";
+
+		public static SharedPreferences get(Context context) {
+			return context.getSharedPreferences(TAG, MODE_PRIVATE);
+		}
+
+		public static void putBoolean(Context context, String key, boolean value) {
+			final SharedPreferences prefs = get(context);
+
+			if (prefs == null)
+				return;
+			final Editor editor = prefs.edit();
+			editor.putBoolean(key, value);
+			editor.apply();
+		}
+
+		public static boolean getBoolean(Context context, String key, boolean defValue) {
+			final SharedPreferences prefs = get(context);
+
+			return prefs != null ? prefs.getBoolean(key, defValue) : defValue;
+		}
+	}
+
+	private Handler mHandler = new Handler(new Handler.Callback() {
+		@Override
+		public boolean handleMessage(Message msg) {
+			switch (msg.what) {
+			case MSG_ERROR:
+				Log.d(TAG, "onError");
+
+				mClient.release();
+				connectClient();
+
+				mRunButton.setEnabled(false);
+				mRunButton.setChecked(false);
+
+				mTextStatus.setText((String)msg.obj);
+				mFirstRun = true;
+				break;
+			case MSG_STOPPED:
+				Log.d(TAG, "onStopped");
+				mRunButton.setEnabled(true);
+				if (!mFirstRun && Preferences.getBoolean(Settings.this, Preferences.KEY_RUN_ON_BOOT, false))
+					mRunButton.setChecked(true);
+				else
+					mRunButton.setChecked(false);
+				mFirstRun = true;
+				break;
+			case MSG_STARTED:
+				Log.d(TAG, "onStarted");
+				mRunButton.setChecked(true);
+				mFirstRun = true;
+				mTextStatus.setText("CAUTION: this version is EXPERIMENTAL!"); // XXX
+				break;
+			case MSG_LOG:
+				if (mLogListArray.size() > MAX_LOGS)
+					mLogListArray.remove(0);
+				String priority;
+				switch (msg.arg1) {
+				case Log.DEBUG:
+					priority = "D";
+					break;
+				case Log.ERROR:
+					priority = "E";
+					break;
+				case Log.INFO:
+					priority = "I";
+					break;
+				case Log.VERBOSE:
+					priority = "V";
+					break;
+				case Log.WARN:
+					priority = "W";
+					break;
+				default:
+					priority = "";
+				}
+				mLogListArray.add(priority + "/ " + (String)msg.obj);
+				mLogListAdapter.notifyDataSetChanged();
+
+				break;
+			}
+			return true;
+		}
+	});
+
+	private final OnCheckedChangeListener mOnRunChangeListener = new OnCheckedChangeListener() {
+		@Override
+		public void onCheckedChanged(CompoundButton buttonView, boolean isChecked) {
+			if (mClient != null) {
+				if (isChecked) {
+					mClient.start();
+					if (Preferences.getBoolean(Settings.this,
+							Preferences.KEY_WAKELOCK, false))
+						mClient.setWakelockEnabled(true);
+				} else {
+					mClient.stop();
+				}
+			}
+		}
+	};
+
+	private final OnCheckedChangeListener mOnRunOnBootChangeListener = new OnCheckedChangeListener() {
+		@Override
+		public void onCheckedChanged(CompoundButton buttonView, boolean isChecked) {
+			Preferences.putBoolean(Settings.this, Preferences.KEY_RUN_ON_BOOT, isChecked);
+			if (isChecked && mClient != null && !mRunButton.isChecked())
+				mRunButton.setChecked(true);
+		}
+	};
+
+	private final OnCheckedChangeListener mOnWakelockChangeListener = new OnCheckedChangeListener() {
+		@Override
+		public void onCheckedChanged(CompoundButton buttonView, boolean isChecked) {
+			Preferences.putBoolean(Settings.this, Preferences.KEY_WAKELOCK, isChecked);
+			if (mClient != null && mClient.isRunning())
+				mClient.setWakelockEnabled(isChecked);
+		}
+	};
+
+	@Override
+	protected void onCreate(Bundle savedInstanceState) {
+		setContentView(R.layout.settings);
+		mRunButton = (ToggleButton) findViewById(R.id.run);
+		mRunButton.setOnCheckedChangeListener(mOnRunChangeListener);
+
+		mTextStatus = (TextView) findViewById(R.id.status);
+
+		mLogListAdapter = new ArrayAdapter<String>(this, R.layout.log_item, mLogListArray);
+
+		mLogListView = (ListView) findViewById(R.id.log_list);
+		mLogListView.setAdapter(mLogListAdapter);
+		mLogListView.setTranscriptMode(ListView.TRANSCRIPT_MODE_NORMAL);
+
+		CheckBox checkbox = (CheckBox) findViewById(R.id.run_on_boot);
+		checkbox.setOnCheckedChangeListener(mOnRunOnBootChangeListener);
+		if (Preferences.getBoolean(this, Preferences.KEY_RUN_ON_BOOT, false))
+			checkbox.setChecked(true);
+
+		checkbox = (CheckBox) findViewById(R.id.wakelock);
+		checkbox.setOnCheckedChangeListener(mOnWakelockChangeListener);
+		if (Preferences.getBoolean(this, Preferences.KEY_WAKELOCK, false))
+			checkbox.setChecked(true);
+
+		super.onCreate(savedInstanceState);
+	}
+
+	private void connectClient() {
+		mClient = new Main.Client(this, new Main.Client.Callback() {
+
+			private void removeMessages() {
+				/* don't remove log messages */
+				mHandler.removeMessages(MSG_STOPPED);
+				mHandler.removeMessages(MSG_STARTED);
+				mHandler.removeMessages(MSG_ERROR);
+			}
+
+			@Override
+			public void onStopped() {
+				removeMessages();
+				mHandler.sendEmptyMessage(MSG_STOPPED);
+			}
+
+			@Override
+			public void onStarted() {
+				removeMessages();
+				mHandler.sendEmptyMessage(MSG_STARTED);
+			}
+
+			@Override
+			public void onError(String error) {
+				removeMessages();
+				mHandler.sendMessage(Message.obtain(mHandler, MSG_ERROR, error));
+			}
+
+			@Override
+			public void onLog(int priority, String msg) {
+				mHandler.sendMessage(Message.obtain(mHandler, MSG_LOG, priority, 0, msg));
+			}
+		});
+	}
+
+	@Override
+	protected void onStart() {
+		mFirstRun = false;
+		connectClient();
+		super.onStart();
+	}
+
+	@Override
+	protected void onStop() {
+		mClient.release();
+		mClient = null;
+		super.onStop();
+	}
+}

configure.ac

@@ -1,10 +1,10 @@
 AC_PREREQ(2.60)
 
-AC_INIT(mpd, 0.20.13, musicpd-dev-team@lists.sourceforge.net)
+AC_INIT(mpd, 0.20.22, musicpd-dev-team@lists.sourceforge.net)
 
 VERSION_MAJOR=0
 VERSION_MINOR=20
-VERSION_REVISION=13
+VERSION_REVISION=22
 VERSION_EXTRA=0
 
 AC_CONFIG_SRCDIR([src/Main.cxx])
@@ -14,9 +14,9 @@ AM_SILENT_RULES
 AC_CONFIG_HEADERS(config.h)
 AC_CONFIG_MACRO_DIR([m4])
 
-AC_DEFINE(PROTOCOL_VERSION, "0.20.0", [The MPD protocol version])
+AC_DEFINE(PROTOCOL_VERSION, "0.20.22", [The MPD protocol version])
 
-GIT_COMMIT=`GIT_DIR="$srcdir/.git" git describe --dirty --always 2>/dev/null`
+GIT_COMMIT=`cd "$srcdir" && git describe --dirty --always 2>/dev/null`
 if test x$GIT_COMMIT != x; then
 	AC_DEFINE_UNQUOTED(GIT_COMMIT, ["$GIT_COMMIT"], [The current git commit])
 fi
@@ -186,6 +186,7 @@ AC_ARG_WITH([android-sdk],
 		[Directory for Android SDK]),
 		[], [with_android_sdk=no])
 
+android_abi=""
 if test x$host_is_android = xyes; then
 	if test x$with_android_sdk = xno; then
 		AC_MSG_ERROR([Android build requires option --with-android-sdk=DIR])
@@ -194,9 +195,15 @@ if test x$host_is_android = xyes; then
 	if ! test -x $with_android_sdk/tools/android; then
 		AC_MSG_ERROR([Android SDK not found in $with_android_sdk])
 	fi
+
+	AS_CASE([$host_cpu],
+		[i686], [android_abi="x86"],
+		[aarch64], [android_abi="arm64-v8a"],
+		[android_abi="armeabi-v7a"])
 fi
 
 AC_SUBST(ANDROID_SDK, [$with_android_sdk])
+AC_SUBST(ANDROID_ABI, [$android_abi])
 
 dnl ---------------------------------------------------------------------------
 dnl Language Checks
@@ -315,7 +322,7 @@ else
 fi
 
 default_enable_daemon=yes
-if test x$host_is_android = xyes || test x$host_is_android = xyes; then
+if test x$host_is_android = xyes || test x$host_is_windows = xyes; then
 	default_enable_daemon=no
 fi
 AC_ARG_ENABLE(daemon,
@@ -402,7 +409,7 @@ AC_ARG_ENABLE(recorder-output,
 
 AC_ARG_ENABLE(sidplay,
 	AS_HELP_STRING([--enable-sidplay],
-		[enable C64 SID support via libsidplay2]),,
+		[enable C64 SID support via libsidplayfp or libsidplay2]),,
 	enable_sidplay=auto)
 
 AC_ARG_ENABLE(shout,
@@ -454,7 +461,7 @@ dnl ---------------------------------------------------------------------------
 dnl Mandatory Libraries
 dnl ---------------------------------------------------------------------------
 
-AX_BOOST_BASE([1.46],, [AC_MSG_ERROR([Boost not found])])
+AX_BOOST_BASE([1.54],, [AC_MSG_ERROR([Boost not found])])
 
 AC_ARG_ENABLE(icu,
 	AS_HELP_STRING([--enable-icu],
@@ -700,7 +707,7 @@ MPD_ENABLE_AUTO_PKG_LIB(smbclient, SMBCLIENT, [smbclient >= 0.2],
 	[smbclient input plugin], [libsmbclient not found])
 
 dnl ----------------------------------- NFS -----------------------------
-MPD_ENABLE_AUTO_PKG(nfs, NFS, [libnfs],
+MPD_ENABLE_AUTO_PKG(nfs, NFS, [libnfs >= 1.9.5],
 	[NFS input plugin], [libnfs not found])
 
 dnl --------------------------------- Soundcloud ------------------------------
@@ -1005,7 +1012,7 @@ if test x$enable_sidplay != xno && test x$found_sidplayfp = xno; then
 		[found_sidplay=no])
 
 	MPD_AUTO_PRE(sidplay, [sidplay decoder plugin],
-		[libsidplay2 not found])
+		[libsidplay2 or libsidutils not found])
 fi
 
 if test x$enable_sidplay != xno && test x$found_sidplayfp = xno; then
@@ -1017,10 +1024,11 @@ if test x$enable_sidplay != xno && test x$found_sidplayfp = xno; then
 fi
 
 if test x$enable_sidplay = xyes; then
-	SIDPLAY_LIBS="$SIDPLAY_LIBS -lresid-builder"
+	AC_DEFINE(ENABLE_SIDPLAY, 1, [Define for libsidplayfp or libsidplay2 support])
-	AC_DEFINE(ENABLE_SIDPLAY, 1, [Define for libsidplay2 support])
 	if test x$found_sidplayfp = xyes; then
 		AC_DEFINE(HAVE_SIDPLAYFP, 1, [Define if libsidplayfp is used instead of libsidplay2])
+	else
+		SIDPLAY_LIBS="$SIDPLAY_LIBS -lresid-builder"
 	fi
 fi
 

doc/include/tags.xml

@@ -113,7 +113,7 @@
     <para>
       <varname>musicbrainz_artistid</varname>: the artist id in the
       <ulink
-      url="http://musicbrainz.org/doc/MusicBrainzTag">MusicBrainz</ulink>
+      url="https://picard.musicbrainz.org/docs/mappings/">MusicBrainz</ulink>
       database.
     </para>
   </listitem>
@@ -122,7 +122,7 @@
     <para>
       <varname>musicbrainz_albumid</varname>: the album id in the
       <ulink
-      url="http://musicbrainz.org/doc/MusicBrainzTag">MusicBrainz</ulink>
+      url="https://picard.musicbrainz.org/docs/mappings/">MusicBrainz</ulink>
       database.
     </para>
   </listitem>
@@ -131,7 +131,7 @@
     <para>
       <varname>musicbrainz_albumartistid</varname>: the album artist
       id in the <ulink
-      url="http://musicbrainz.org/doc/MusicBrainzTag">MusicBrainz</ulink>
+      url="https://picard.musicbrainz.org/docs/mappings/">MusicBrainz</ulink>
       database.
     </para>
   </listitem>
@@ -140,7 +140,7 @@
     <para>
       <varname>musicbrainz_trackid</varname>: the track id in the
       <ulink
-      url="http://musicbrainz.org/doc/MusicBrainzTag">MusicBrainz</ulink>
+      url="https://picard.musicbrainz.org/docs/mappings/">MusicBrainz</ulink>
       database.
     </para>
   </listitem>
@@ -149,7 +149,7 @@
     <para>
       <varname>musicbrainz_releasetrackid</varname>: the release track
       id in the <ulink
-      url="http://musicbrainz.org/doc/MusicBrainzTag">MusicBrainz</ulink>
+      url="https://picard.musicbrainz.org/docs/mappings/">MusicBrainz</ulink>
       database.
     </para>
   </listitem>

doc/protocol.xml

@@ -1599,6 +1599,11 @@ OK
               per-artist counts:
             </para>
             <programlisting>count group artist</programlisting>
+            <para>
+              A group with an empty value contains counts of matching
+              song which don't this group tag.  It exists only if at
+              least one such song is found.
+            </para>
           </listitem>
         </varlistentry>
 

doc/user.xml

@@ -66,6 +66,26 @@
       </para>
     </section>
 
+    <section id="install_android">
+      <title>Installing on Android</title>
+
+      <para>
+        An experimental Android build is available on <ulink
+        url="https://play.google.com/store/apps/details?id=org.musicpd">Google
+        Play</ulink>.  After installing and launching it, MPD will
+        scan the music in your <filename>Music</filename> directory
+        and you can control it as usual with a MPD client.
+      </para>
+
+      <para>
+        If you need to tweak the configuration, you can create a file
+        called <filename>mpd.conf</filename> on the data partition
+        (the directory which is returned by Android's <ulink
+        url="https://developer.android.com/reference/android/os/Environment.html#getExternalStorageDirectory()">getExternalStorageDirectory()</ulink>
+        API function).
+      </para>
+    </section>
+
     <section id="install_source">
       <title>Compiling from source</title>
 
@@ -94,7 +114,7 @@ cd mpd-version</programlisting>
 
         <listitem>
           <para>
-            <ulink url="http://www.boost.org/">Boost 1.46</ulink>
+            <ulink url="http://www.boost.org/">Boost 1.54</ulink>
           </para>
         </listitem>
 
@@ -248,6 +268,59 @@ apt-get install g++ \
           script.
         </para>
       </section>
+
+      <section id="android_build">
+        <title>Compiling for Android</title>
+
+        <para>
+          MPD can be compiled as an Android app.  It can be installed
+          easily with <link linkend="install_android">Google
+          Play</link>, but if you want to build it from source, follow
+          this section.
+        </para>
+
+        <para>
+          You need:
+        </para>
+
+        <itemizedlist>
+          <listitem>
+            <para>
+              Android SDK
+            </para>
+          </listitem>
+
+          <listitem>
+            <para>
+              <ulink
+              url="https://developer.android.com/ndk/downloads/index.html">Android
+              NDK</ulink>
+            </para>
+          </listitem>
+        </itemizedlist>
+
+        <para>
+          Just like with the native build, unpack the
+          <application>MPD</application> source tarball and change
+          into the directory.  Then, instead of
+          <command>./configure</command>, type:
+        </para>
+
+        <programlisting>./android/build.py SDK_PATH NDK_PATH ABI
+make android/build/mpd-debug.apk</programlisting>
+
+        <para>
+          <varname>SDK_PATH</varname> is the absolute path where you
+          installed the Android SDK; <varname>NDK_PATH</varname> is
+          the Android NDK installation path; <varname>ABI</varname> is
+          the Android ABI to be built, e.g. "armeabi-v7a".
+        </para>
+
+        <para>
+          This downloads various library sources, and then configures
+          and builds <application>MPD</application>.
+        </para>
+      </section>
     </section>
 
     <section id="systemd_socket">
@@ -323,7 +396,9 @@ systemctl start mpd.socket</programlisting>
         <application>MPD</application> as a user daemon (and not as a
         system daemon), the configuration is read from
         <filename>$XDG_CONFIG_HOME/mpd/mpd.conf</filename> (usually
-        <filename>~/.config/mpd/mpd.conf</filename>).
+        <filename>~/.config/mpd/mpd.conf</filename>).  On Android,
+        <filename>mpd.conf</filename> will be loaded from the
+        top-level directory of the data partition.
       </para>
 
       <para>
@@ -2012,13 +2087,6 @@ run</programlisting>
           database.
         </para>
 
-        <para>
-          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 ~/.curlrc will be in effect.
-        </para>
-
         <informaltable>
           <tgroup cols="2">
             <thead>
@@ -2046,6 +2114,15 @@ run</programlisting>
                   <application>MPD</application> instance.
                 </entry>
               </row>
+              <row>
+                <entry>
+                  <varname>password</varname>
+                </entry>
+                <entry>
+                  The password used to log in to the "master"
+                  <application>MPD</application> instance.
+                </entry>
+              </row>
               <row>
                 <entry>
                   <varname>keepalive</varname>

python/build/autotools.py

@@ -1,24 +1,37 @@
-import os.path, subprocess
+import os.path, subprocess, sys
 
-from build.project import Project
+from build.makeproject import MakeProject
 
-class AutotoolsProject(Project):
+class AutotoolsProject(MakeProject):
     def __init__(self, url, md5, installed, configure_args=[],
                  autogen=False,
+                 autoreconf=False,
                  cppflags='',
+                 ldflags='',
+                 libs='',
+                 subdirs=None,
                  **kwargs):
-        Project.__init__(self, url, md5, installed, **kwargs)
+        MakeProject.__init__(self, url, md5, installed, **kwargs)
         self.configure_args = configure_args
         self.autogen = autogen
+        self.autoreconf = autoreconf
         self.cppflags = cppflags
+        self.ldflags = ldflags
+        self.libs = libs
+        self.subdirs = subdirs
 
-    def build(self, toolchain):
+    def configure(self, toolchain):
         src = self.unpack(toolchain)
         if self.autogen:
-            subprocess.check_call(['libtoolize', '--force'], cwd=src)
+            if sys.platform == 'darwin':
+                subprocess.check_call(['glibtoolize', '--force'], cwd=src)
+            else:
+                subprocess.check_call(['libtoolize', '--force'], cwd=src)
             subprocess.check_call(['aclocal'], cwd=src)
             subprocess.check_call(['automake', '--add-missing', '--force-missing', '--foreign'], cwd=src)
             subprocess.check_call(['autoconf'], cwd=src)
+        if self.autoreconf:
+            subprocess.check_call(['autoreconf', '-vif'], cwd=src)
 
         build = self.make_build_path(toolchain)
 
@@ -29,8 +42,8 @@ class AutotoolsProject(Project):
             'CFLAGS=' + toolchain.cflags,
             'CXXFLAGS=' + toolchain.cxxflags,
             'CPPFLAGS=' + toolchain.cppflags + ' ' + self.cppflags,
-            'LDFLAGS=' + toolchain.ldflags,
+            'LDFLAGS=' + toolchain.ldflags + ' ' + self.ldflags,
-            'LIBS=' + toolchain.libs,
+            'LIBS=' + toolchain.libs + ' ' + self.libs,
             'AR=' + toolchain.ar,
             'RANLIB=' + toolchain.ranlib,
             'STRIP=' + toolchain.strip,
@@ -40,7 +53,12 @@ class AutotoolsProject(Project):
         ] + self.configure_args
 
         subprocess.check_call(configure, cwd=build, env=toolchain.env)
-        subprocess.check_call(['/usr/bin/make', '--quiet', '-j12'],
+        return build
-                              cwd=build, env=toolchain.env)
+
-        subprocess.check_call(['/usr/bin/make', '--quiet', 'install'],
+    def build(self, toolchain):
-                              cwd=build, env=toolchain.env)
+        build = self.configure(toolchain)
+        if self.subdirs is not None:
+            for subdir in self.subdirs:
+                MakeProject.build(self, toolchain, os.path.join(build, subdir))
+        else:
+            MakeProject.build(self, toolchain, build)

python/build/ffmpeg.py

@@ -21,6 +21,8 @@ class FfmpegProject(Project):
 
         if toolchain.is_arm:
             arch = 'arm'
+        elif toolchain.is_aarch64:
+            arch = 'aarch64'
         else:
             arch = 'x86'
 

python/build/libs.py

@@ -1,28 +1,54 @@
+import re
+from os.path import abspath
+
 from build.project import Project
 from build.zlib import ZlibProject
+from build.meson import MesonProject
 from build.autotools import AutotoolsProject
 from build.ffmpeg import FfmpegProject
 from build.boost import BoostProject
 
+libmpdclient = MesonProject(
+    'https://www.musicpd.org/download/libmpdclient/2/libmpdclient-2.16.tar.xz',
+    'fa6bdab67c0e0490302b38f00c27b4959735c3ec8aef7a88327adb1407654464',
+    'lib/libmpdclient.a',
+)
+
 libogg = AutotoolsProject(
-    'http://downloads.xiph.org/releases/ogg/libogg-1.3.2.tar.xz',
+    'http://downloads.xiph.org/releases/ogg/libogg-1.3.3.tar.xz',
-    '5c3a34309d8b98640827e5d0991a4015',
+    '4f3fc6178a533d392064f14776b23c397ed4b9f48f5de297aba73b643f955c08',
     'lib/libogg.a',
-    ['--disable-shared', '--enable-static'],
+    [
+        '--disable-shared', '--enable-static',
+    ],
 )
 
 libvorbis = AutotoolsProject(
-    'http://downloads.xiph.org/releases/vorbis/libvorbis-1.3.5.tar.xz',
+    'http://downloads.xiph.org/releases/vorbis/libvorbis-1.3.6.tar.xz',
-    '28cb28097c07a735d6af56e598e1c90f',
+    'af00bb5a784e7c9e69f56823de4637c350643deedaf333d0fa86ecdba6fcb415',
     'lib/libvorbis.a',
-    ['--disable-shared', '--enable-static'],
+    [
+        '--disable-shared', '--enable-static',
+    ],
+
+    edits={
+        # this option is not understood by clang
+        'configure': lambda data: data.replace('-mno-ieee-fp', ' '),
+    }
 )
 
 opus = AutotoolsProject(
-    'https://archive.mozilla.org/pub/opus/opus-1.2.1.tar.gz',
+    'https://archive.mozilla.org/pub/opus/opus-1.3.tar.gz',
-    'cfafd339ccd9c5ef8d6ab15d7e1a412c054bf4cb4ecbbbcc78c12ef2def70732',
+    '4f3d69aefdf2dbaf9825408e452a8a414ffc60494c70633560700398820dc550',
     'lib/libopus.a',
-    ['--disable-shared', '--enable-static'],
+    [
+        '--disable-shared', '--enable-static',
+        '--disable-doc',
+        '--disable-extra-programs',
+    ],
+
+    # suppress "visibility default" from opus_defines.h
+    cppflags='-DOPUS_EXPORT=',
 )
 
 flac = AutotoolsProject(
@@ -32,7 +58,9 @@ flac = AutotoolsProject(
     [
         '--disable-shared', '--enable-static',
         '--disable-xmms-plugin', '--disable-cpplibs',
+        '--disable-doxygen-docs',
     ],
+    subdirs=['include', 'src/libFLAC'],
 )
 
 zlib = ZlibProject(
@@ -45,21 +73,36 @@ libid3tag = AutotoolsProject(
     'ftp://ftp.mars.org/pub/mpeg/libid3tag-0.15.1b.tar.gz',
     'e5808ad997ba32c498803822078748c3',
     'lib/libid3tag.a',
-    ['--disable-shared', '--enable-static'],
+    [
+        '--disable-shared', '--enable-static',
+
+        # without this, libid3tag's configure.ac ignores -O* and -f*
+        '--disable-debugging',
+    ],
     autogen=True,
+
+    edits={
+        # fix bug in libid3tag's configure.ac which discards all but the last optimization flag
+        'configure.ac': lambda data: re.sub(r'optimize="\$1"', r'optimize="$optimize $1"', data, count=1),
+    }
 )
 
 libmad = AutotoolsProject(
     'ftp://ftp.mars.org/pub/mpeg/libmad-0.15.1b.tar.gz',
     '1be543bc30c56fb6bea1d7bf6a64e66c',
     'lib/libmad.a',
-    ['--disable-shared', '--enable-static'],
+    [
+        '--disable-shared', '--enable-static',
+
+        # without this, libmad's configure.ac ignores -O* and -f*
+        '--disable-debugging',
+    ],
     autogen=True,
 )
 
 liblame = AutotoolsProject(
-    'http://downloads.sourceforge.net/project/lame/lame/3.99/lame-3.99.5.tar.gz',
+    'http://downloads.sourceforge.net/project/lame/lame/3.100/lame-3.100.tar.gz',
-    '24346b4158e4af3bd9f2e194bb23eb473c75fb7377011523353196b19b9a23ff',
+    'ddfe36cab873794038ae2c1210557ad34857a4b6bdc515785d1da9e175b1da1e',
     'lib/libmp3lame.a',
     [
         '--disable-shared', '--enable-static',
@@ -69,8 +112,8 @@ liblame = AutotoolsProject(
 )
 
 ffmpeg = FfmpegProject(
-    'http://ffmpeg.org/releases/ffmpeg-3.4.1.tar.xz',
+    'http://ffmpeg.org/releases/ffmpeg-4.0.2.tar.xz',
-    '5a77278a63741efa74e26bf197b9bb09ac6381b9757391b922407210f0f991c0',
+    'a95c0cc9eb990e94031d2183f2e6e444cc61c99f6f182d1575c433d62afb2f97',
     'lib/libavcodec.a',
     [
         '--disable-shared', '--enable-static',
@@ -89,21 +132,217 @@ ffmpeg = FfmpegProject(
         '--disable-pixelutils',
         '--disable-network',
         '--disable-encoders',
+        '--disable-muxers',
         '--disable-protocols',
         '--disable-devices',
         '--disable-filters',
         '--disable-v4l2_m2m',
 
-        # clang misinterprets the "B0" in hevc_mvs.c as binary
+        '--disable-parser=bmp',
-        # literal, which breaks the build; but we don't need that
+        '--disable-parser=cavsvideo',
-        # video codec anyway
+        '--disable-parser=dvbsub',
+        '--disable-parser=dvdsub',
+        '--disable-parser=dvd_nav',
+        '--disable-parser=flac',
+        '--disable-parser=g729',
+        '--disable-parser=gsm',
+        '--disable-parser=h261',
+        '--disable-parser=h263',
+        '--disable-parser=h264',
+        '--disable-parser=hevc',
+        '--disable-parser=mjpeg',
+        '--disable-parser=mlp',
+        '--disable-parser=mpeg4video',
+        '--disable-parser=mpegvideo',
+        '--disable-parser=opus',
+        '--disable-parser=vc1',
+        '--disable-parser=vp3',
+        '--disable-parser=vp8',
+        '--disable-parser=vp9',
+        '--disable-parser=png',
+        '--disable-parser=pnm',
+        '--disable-parser=xma',
+
+        '--disable-demuxer=aqtitle',
+        '--disable-demuxer=ass',
+        '--disable-demuxer=bethsoftvid',
+        '--disable-demuxer=bink',
+        '--disable-demuxer=cavsvideo',
+        '--disable-demuxer=cdxl',
+        '--disable-demuxer=dvbsub',
+        '--disable-demuxer=dvbtxt',
+        '--disable-demuxer=h261',
+        '--disable-demuxer=h263',
+        '--disable-demuxer=h264',
+        '--disable-demuxer=ico',
+        '--disable-demuxer=image2',
+        '--disable-demuxer=jacosub',
+        '--disable-demuxer=lrc',
+        '--disable-demuxer=microdvd',
+        '--disable-demuxer=mjpeg',
+        '--disable-demuxer=mjpeg_2000',
+        '--disable-demuxer=mpegps',
+        '--disable-demuxer=mpegvideo',
+        '--disable-demuxer=mpl2',
+        '--disable-demuxer=mpsub',
+        '--disable-demuxer=pjs',
+        '--disable-demuxer=rawvideo',
+        '--disable-demuxer=realtext',
+        '--disable-demuxer=sami',
+        '--disable-demuxer=scc',
+        '--disable-demuxer=srt',
+        '--disable-demuxer=stl',
+        '--disable-demuxer=subviewer',
+        '--disable-demuxer=subviewer1',
+        '--disable-demuxer=swf',
+        '--disable-demuxer=tedcaptions',
+        '--disable-demuxer=vobsub',
+        '--disable-demuxer=vplayer',
+        '--disable-demuxer=webvtt',
+        '--disable-demuxer=yuv4mpegpipe',
+
+        # we don't need these decoders, because we have the dedicated
+        # libraries
+        '--disable-decoder=flac',
+        '--disable-decoder=opus',
+        '--disable-decoder=vorbis',
+
+        # audio codecs nobody uses
+        '--disable-decoder=atrac1',
+        '--disable-decoder=atrac3',
+        '--disable-decoder=atrac3al',
+        '--disable-decoder=atrac3p',
+        '--disable-decoder=atrac3pal',
+        '--disable-decoder=binkaudio_dct',
+        '--disable-decoder=binkaudio_rdft',
+        '--disable-decoder=bmv_audio',
+        '--disable-decoder=dsicinaudio',
+        '--disable-decoder=dvaudio',
+        '--disable-decoder=metasound',
+        '--disable-decoder=paf_audio',
+        '--disable-decoder=ra_144',
+        '--disable-decoder=ra_288',
+        '--disable-decoder=ralf',
+        '--disable-decoder=qdm2',
+        '--disable-decoder=qdmc',
+
+        # disable lots of image and video codecs
+        '--disable-decoder=ass',
+        '--disable-decoder=asv1',
+        '--disable-decoder=asv2',
+        '--disable-decoder=apng',
+        '--disable-decoder=avrn',
+        '--disable-decoder=avrp',
+        '--disable-decoder=bethsoftvid',
+        '--disable-decoder=bink',
+        '--disable-decoder=bmp',
+        '--disable-decoder=bmv_video',
+        '--disable-decoder=cavs',
+        '--disable-decoder=ccaption',
+        '--disable-decoder=cdgraphics',
+        '--disable-decoder=clearvideo',
+        '--disable-decoder=dirac',
+        '--disable-decoder=dsicinvideo',
+        '--disable-decoder=dvbsub',
+        '--disable-decoder=dvdsub',
+        '--disable-decoder=dvvideo',
+        '--disable-decoder=exr',
+        '--disable-decoder=ffv1',
+        '--disable-decoder=ffvhuff',
+        '--disable-decoder=ffwavesynth',
+        '--disable-decoder=flic',
+        '--disable-decoder=flv',
+        '--disable-decoder=fraps',
+        '--disable-decoder=gif',
+        '--disable-decoder=h261',
+        '--disable-decoder=h263',
+        '--disable-decoder=h263i',
+        '--disable-decoder=h263p',
+        '--disable-decoder=h264',
         '--disable-decoder=hevc',
+        '--disable-decoder=hnm4_video',
+        '--disable-decoder=hq_hqa',
+        '--disable-decoder=hqx',
+        '--disable-decoder=idcin',
+        '--disable-decoder=iff_ilbm',
+        '--disable-decoder=indeo2',
+        '--disable-decoder=indeo3',
+        '--disable-decoder=indeo4',
+        '--disable-decoder=indeo5',
+        '--disable-decoder=interplay_video',
+        '--disable-decoder=jacosub',
+        '--disable-decoder=jpeg2000',
+        '--disable-decoder=jpegls',
+        '--disable-decoder=microdvd',
+        '--disable-decoder=mimic',
+        '--disable-decoder=mjpeg',
+        '--disable-decoder=mmvideo',
+        '--disable-decoder=mpl2',
+        '--disable-decoder=motionpixels',
+        '--disable-decoder=mpeg1video',
+        '--disable-decoder=mpeg2video',
+        '--disable-decoder=mpeg4',
+        '--disable-decoder=mpegvideo',
+        '--disable-decoder=mscc',
+        '--disable-decoder=msmpeg4_crystalhd',
+        '--disable-decoder=msmpeg4v1',
+        '--disable-decoder=msmpeg4v2',
+        '--disable-decoder=msmpeg4v3',
+        '--disable-decoder=msvideo1',
+        '--disable-decoder=mszh',
+        '--disable-decoder=mvc1',
+        '--disable-decoder=mvc2',
+        '--disable-decoder=on2avc',
+        '--disable-decoder=paf_video',
+        '--disable-decoder=png',
+        '--disable-decoder=qdraw',
+        '--disable-decoder=qpeg',
+        '--disable-decoder=rawvideo',
+        '--disable-decoder=realtext',
+        '--disable-decoder=roq',
+        '--disable-decoder=roq_dpcm',
+        '--disable-decoder=rscc',
+        '--disable-decoder=rv10',
+        '--disable-decoder=rv20',
+        '--disable-decoder=rv30',
+        '--disable-decoder=rv40',
+        '--disable-decoder=sami',
+        '--disable-decoder=sheervideo',
+        '--disable-decoder=snow',
+        '--disable-decoder=srt',
+        '--disable-decoder=stl',
+        '--disable-decoder=subrip',
+        '--disable-decoder=subviewer',
+        '--disable-decoder=subviewer1',
+        '--disable-decoder=svq1',
+        '--disable-decoder=svq3',
+        '--disable-decoder=tiff',
+        '--disable-decoder=tiertexseqvideo',
+        '--disable-decoder=truemotion1',
+        '--disable-decoder=truemotion2',
+        '--disable-decoder=truemotion2rt',
+        '--disable-decoder=twinvq',
+        '--disable-decoder=utvideo',
+        '--disable-decoder=vc1',
+        '--disable-decoder=vmdvideo',
+        '--disable-decoder=vp3',
+        '--disable-decoder=vp5',
+        '--disable-decoder=vp6',
+        '--disable-decoder=vp7',
+        '--disable-decoder=vp8',
+        '--disable-decoder=vp9',
+        '--disable-decoder=vqa',
+        '--disable-decoder=webvtt',
+        '--disable-decoder=wmv1',
+        '--disable-decoder=wmv2',
+        '--disable-decoder=wmv3',
+        '--disable-decoder=yuv4',
     ],
 )
 
 curl = AutotoolsProject(
-    'http://curl.haxx.se/download/curl-7.57.0.tar.xz',
+    'http://curl.haxx.se/download/curl-7.61.1.tar.xz',
-    'f5f6fd3c72b7b8389969f4fb671ed8532fa9b5bb7a5cae7ca89bc1cea45c7878',
+    '3d5913d6a39bd22e68e34dff697fd6e4c3c81563f580c76fca2009315cd81891',
     'lib/libcurl.a',
     [
         '--disable-shared', '--enable-static',
@@ -114,16 +353,46 @@ curl = AutotoolsProject(
         '--disable-ldap', '--disable-ldaps',
         '--disable-rtsp', '--disable-proxy', '--disable-dict', '--disable-telnet',
         '--disable-tftp', '--disable-pop3', '--disable-imap', '--disable-smtp',
+        '--disable-smb',
         '--disable-gopher',
         '--disable-manual',
         '--disable-threaded-resolver', '--disable-verbose', '--disable-sspi',
         '--disable-crypto-auth', '--disable-ntlm-wb', '--disable-tls-srp', '--disable-cookies',
         '--without-ssl', '--without-gnutls', '--without-nss', '--without-libssh2',
     ],
+
+    patches='src/lib/curl/patches',
+)
+
+libexpat = AutotoolsProject(
+    'https://github.com/libexpat/libexpat/releases/download/R_2_2_6/expat-2.2.6.tar.bz2',
+    '17b43c2716d521369f82fc2dc70f359860e90fa440bea65b3b85f0b246ea81f2',
+    'lib/libexpat.a',
+    [
+        '--disable-shared', '--enable-static',
+        '--without-docbook',
+    ],
+)
+
+libnfs = AutotoolsProject(
+    'https://github.com/sahlberg/libnfs/archive/libnfs-3.0.0.tar.gz',
+    '445d92c5fc55e4a5b115e358e60486cf8f87ee50e0103d46a02e7fb4618566a5',
+    'lib/libnfs.a',
+    [
+        '--disable-shared', '--enable-static',
+        '--disable-debug',
+
+        # work around -Wtautological-compare
+        '--disable-werror',
+
+        '--disable-utils', '--disable-examples',
+    ],
+    base='libnfs-libnfs-3.0.0',
+    autoreconf=True,
 )
 
 boost = BoostProject(
-    'http://downloads.sourceforge.net/project/boost/boost/1.65.1/boost_1_65_1.tar.bz2',
+    'http://downloads.sourceforge.net/project/boost/boost/1.68.0/boost_1_68_0.tar.bz2',
-    '9807a5d16566c57fd74fb522764e0b134a8bbe6b6e8967b83afefd30dcd3be81',
+    '7f6130bc3cf65f56a618888ce9d5ea704fa10b462be126ad053e80e553d6d8b7',
     'include/boost/version.hpp',
 )

python/build/makeproject.py

@@ -0,0 +1,28 @@
+import subprocess
+
+from build.project import Project
+
+class MakeProject(Project):
+    def __init__(self, url, md5, installed,
+                 install_target='install',
+                 **kwargs):
+        Project.__init__(self, url, md5, installed, **kwargs)
+        self.install_target = install_target
+
+    def get_simultaneous_jobs(self):
+        return 12
+
+    def get_make_args(self, toolchain):
+        return ['--quiet', '-j' + str(self.get_simultaneous_jobs())]
+
+    def get_make_install_args(self, toolchain):
+        return ['--quiet', self.install_target]
+
+    def make(self, toolchain, wd, args):
+        subprocess.check_call(['/usr/bin/make'] + args,
+                              cwd=wd, env=toolchain.env)
+
+    def build(self, toolchain, wd, install=True):
+        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

@@ -0,0 +1,102 @@
+import os.path, subprocess, sys
+
+from build.project import Project
+
+class MesonProject(Project):
+    def __init__(self, url, md5, installed, configure_args=[],
+                 **kwargs):
+        Project.__init__(self, url, md5, installed, **kwargs)
+        self.configure_args = configure_args
+
+    def _make_cross_file(self, toolchain):
+        if toolchain.is_windows:
+            system = 'windows'
+        else:
+            system = 'linux'
+
+        if toolchain.is_arm:
+            cpu_family = 'arm'
+            if toolchain.is_armv7:
+                cpu = 'armv7'
+            else:
+                cpu = 'armv6'
+        elif toolchain.is_aarch64:
+            cpu_family = 'aarch64'
+            cpu = 'arm64-v8a'
+        else:
+            cpu_family = 'x86'
+            if 'x86_64' in toolchain.arch:
+                cpu = 'x86_64'
+            else:
+                cpu = 'i686'
+
+        # TODO: support more CPUs
+        endian = 'little'
+
+        # TODO: write pkg-config wrapper
+
+        path = os.path.join(toolchain.build_path, 'meson.cross')
+        os.makedirs(toolchain.build_path, exist_ok=True)
+        with open(path, 'w') as f:
+            f.write("""
+[binaries]
+c = '%s'
+cpp = '%s'
+ar = '%s'
+strip = '%s'
+
+[properties]
+root = '%s'
+
+c_args = %s
+c_link_args = %s
+
+cpp_args = %s
+cpp_link_args = %s
+
+# Keep Meson from executing Android-x86 test binariees
+needs_exe_wrapper = true
+
+[host_machine]
+system = '%s'
+cpu_family = '%s'
+cpu = '%s'
+endian = '%s'
+            """ % (toolchain.cc, toolchain.cxx, toolchain.ar, toolchain.strip,
+                   toolchain.install_prefix,
+                   repr((toolchain.cppflags + ' ' + toolchain.cflags).split()),
+                   repr(toolchain.ldflags.split()),
+                   repr((toolchain.cppflags + ' ' + toolchain.cxxflags).split()),
+                   repr(toolchain.ldflags.split()),
+                   system, cpu_family, cpu, endian))
+        return path
+
+    def configure(self, toolchain):
+        src = self.unpack(toolchain)
+        cross_file = self._make_cross_file(toolchain)
+        build = self.make_build_path(toolchain)
+        configure = [
+            'meson',
+            src, build,
+
+            '--prefix', toolchain.install_prefix,
+
+            # this is necessary because Meson uses Debian's build machine
+            # MultiArch path (e.g. "lib/x86_64-linux-gnu") for cross
+            # builds, which is obviously wrong
+            '--libdir', 'lib',
+
+            '--buildtype', 'plain',
+
+            '--default-library=static',
+
+            '--cross-file', cross_file,
+        ] + self.configure_args
+
+        subprocess.check_call(configure, env=toolchain.env)
+        return build
+
+    def build(self, toolchain):
+        build = self.configure(toolchain)
+        subprocess.check_call(['ninja', 'install'],
+                              cwd=build, env=toolchain.env)

python/build/project.py

@@ -3,10 +3,13 @@ import re
 
 from build.download import download_and_verify
 from build.tar import untar
+from build.quilt import push_all
 
 class Project:
     def __init__(self, url, md5, installed, name=None, version=None,
                  base=None,
+                 patches=None,
+                 edits=None,
                  use_cxx=False):
         if base is None:
             basename = os.path.basename(url)
@@ -17,7 +20,7 @@ class Project:
             self.base = base
 
         if name is None or version is None:
-            m = re.match(r'^([-\w]+)-(\d[\d.]*[a-z]?)$', self.base)
+            m = re.match(r'^([-\w]+)-(\d[\d.]*[a-z]?[\d.]*)$', self.base)
             if name is None: name = m.group(1)
             if version is None: version = m.group(2)
 
@@ -28,6 +31,11 @@ class Project:
         self.md5 = md5
         self.installed = installed
 
+        if patches is not None:
+            srcdir = os.path.dirname(os.path.dirname(os.path.dirname(__file__)))
+            patches = os.path.join(srcdir, patches)
+        self.patches = patches
+        self.edits = edits
         self.use_cxx = use_cxx
 
     def download(self, toolchain):
@@ -47,7 +55,21 @@ class Project:
             parent_path = toolchain.src_path
         else:
             parent_path = toolchain.build_path
-        return untar(self.download(toolchain), parent_path, self.base)
+        path = untar(self.download(toolchain), parent_path, self.base)
+
+        if self.patches is not None:
+            push_all(toolchain, path, self.patches)
+
+        if self.edits is not None:
+            for filename, function in self.edits.items():
+                with open(os.path.join(path, filename), 'r+t') as f:
+                    old_data = f.read()
+                    new_data = function(old_data)
+                    f.seek(0)
+                    f.truncate(0)
+                    f.write(new_data)
+
+        return path
 
     def make_build_path(self, toolchain):
         path = os.path.join(toolchain.build_path, self.base)

python/build/quilt.py

@@ -0,0 +1,9 @@
+import subprocess
+
+def run_quilt(toolchain, cwd, patches_path, *args):
+    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):
+    run_quilt(toolchain, src_path, patches_path, 'push', '-a')

src/AudioFormat.cxx

@@ -19,9 +19,9 @@
 
 #include "AudioFormat.hxx"
 #include "util/StringBuffer.hxx"
+#include "util/StringFormat.hxx"
 
 #include <assert.h>
-#include <stdio.h>
 
 void
 AudioFormat::ApplyMask(AudioFormat mask) noexcept
@@ -44,21 +44,16 @@ AudioFormat::ApplyMask(AudioFormat mask) noexcept
 StringBuffer<24>
 ToString(const AudioFormat af) noexcept
 {
-	StringBuffer<24> buffer;
-
 	if (af.format == SampleFormat::DSD && af.sample_rate > 0 &&
 	    af.sample_rate % 44100 == 0) {
 		/* use shortcuts such as "dsd64" which implies the
 		   sample rate */
-		snprintf(buffer.data(), buffer.capacity(), "dsd%u:%u",
+		return StringFormat<24>("dsd%u:%u",
-			 af.sample_rate * 8 / 44100,
+					af.sample_rate * 8 / 44100,
-			 af.channels);
+					af.channels);
-		return buffer;
 	}
 
-	snprintf(buffer.data(), buffer.capacity(), "%u:%s:%u",
+	return StringFormat<24>("%u:%s:%u",
-		 af.sample_rate, sample_format_to_string(af.format),
+				af.sample_rate, sample_format_to_string(af.format),
-		 af.channels);
+				af.channels);
-
-	return buffer;
 }

src/AudioFormat.hxx

@@ -23,7 +23,6 @@
 #include "pcm/SampleFormat.hxx"
 #include "Compiler.h"
 
-#include <assert.h>
 #include <stdint.h>
 #include <stddef.h>
 

src/IOThread.cxx

@@ -27,12 +27,17 @@
 
 #include <assert.h>
 
-static struct {
+static struct IOThread {
 	Mutex mutex;
 	Cond cond;
 
 	EventLoop *loop;
 	Thread thread;
+
+	IOThread():thread(BIND_THIS_METHOD(Run)) {}
+
+private:
+	void Run() noexcept;
 } io;
 
 void
@@ -44,15 +49,15 @@ io_thread_run(void)
 	io.loop->Run();
 }
 
-static void
+inline void
-io_thread_func(gcc_unused void *arg)
+IOThread::Run() noexcept
 {
 	SetThreadName("io");
 
 	/* lock+unlock to synchronize with io_thread_start(), to be
 	   sure that io.thread is set */
-	io.mutex.lock();
+	mutex.lock();
-	io.mutex.unlock();
+	mutex.unlock();
 
 	io_thread_run();
 }
@@ -73,7 +78,7 @@ io_thread_start()
 	assert(!io.thread.IsDefined());
 
 	const std::lock_guard<Mutex> protect(io.mutex);
-	io.thread.Start(io_thread_func, nullptr);
+	io.thread.Start();
 }
 
 void
@@ -103,8 +108,12 @@ io_thread_get() noexcept
 	return *io.loop;
 }
 
+#ifndef NDEBUG
+
 bool
 io_thread_inside() noexcept
 {
 	return io.thread.IsInside();
 }
+
+#endif

src/IOThread.hxx

@@ -20,6 +20,7 @@
 #ifndef MPD_IO_THREAD_HXX
 #define MPD_IO_THREAD_HXX
 
+#include "check.h"
 #include "Compiler.h"
 
 class EventLoop;
@@ -53,6 +54,8 @@ gcc_const
 EventLoop &
 io_thread_get() noexcept;
 
+#ifndef NDEBUG
+
 /**
  * Is the current thread the I/O thread?
  */
@@ -61,3 +64,5 @@ bool
 io_thread_inside() noexcept;
 
 #endif
+
+#endif

src/LocateUri.cxx

@@ -23,7 +23,7 @@
 #include "fs/AllocatedPath.hxx"
 #include "ls.hxx"
 #include "util/UriUtil.hxx"
-#include "util/StringCompare.hxx"
+#include "util/ASCII.hxx"
 
 #ifdef ENABLE_DATABASE
 #include "storage/StorageInterface.hxx"
@@ -83,7 +83,7 @@ LocateUri(const char *uri, const Client *client
 	  )
 {
 	/* skip the obsolete "file://" prefix */
-	const char *path_utf8 = StringAfterPrefix(uri, "file://");
+	const char *path_utf8 = StringAfterPrefixCaseASCII(uri, "file://");
 	if (path_utf8 != nullptr) {
 		if (!PathTraitsUTF8::IsAbsolute(path_utf8))
 			throw std::runtime_error("Malformed file:// URI");

src/LogBackend.cxx

@@ -34,6 +34,8 @@
 
 #ifdef ANDROID
 #include <android/log.h>
+#include "android/LogListener.hxx"
+#include "Main.hxx"
 
 static int
 ToAndroidLogLevel(LogLevel log_level)
@@ -177,6 +179,9 @@ Log(const Domain &domain, LogLevel level, const char *msg)
 #ifdef ANDROID
 	__android_log_print(ToAndroidLogLevel(level), "MPD",
 			    "%s: %s", domain.GetName(), msg);
+	if (logListener != nullptr)
+		logListener->OnLog(Java::GetEnv(), ToAndroidLogLevel(level),
+				   "%s: %s", domain.GetName(), msg);
 #else
 
 	if (level < log_threshold)

src/Main.cxx

@@ -50,6 +50,7 @@
 #include "unix/SignalHandlers.hxx"
 #include "system/FatalError.hxx"
 #include "thread/Slack.hxx"
+#include "net/Init.hxx"
 #include "lib/icu/Init.hxx"
 #include "config/ConfigGlobal.hxx"
 #include "config/Param.hxx"
@@ -91,6 +92,7 @@
 #include "java/File.hxx"
 #include "android/Environment.hxx"
 #include "android/Context.hxx"
+#include "android/LogListener.hxx"
 #include "fs/StandardDirectory.hxx"
 #include "fs/FileSystem.hxx"
 #include "org_musicpd_Bridge.h"
@@ -106,15 +108,6 @@
 #include <locale.h>
 #endif
 
-#ifdef _WIN32
-#include <winsock2.h>
-#include <ws2tcpip.h>
-#endif
-
-#ifdef __BLOCKS__
-#include <dispatch/dispatch.h>
-#endif
-
 #include <limits.h>
 
 static constexpr size_t KILOBYTE = 1024;
@@ -136,6 +129,7 @@ static constexpr unsigned DEFAULT_BUFFER_BEFORE_PLAY = 10;
 
 #ifdef ANDROID
 Context *context;
+LogListener *logListener;
 #endif
 
 Instance *instance;
@@ -284,25 +278,6 @@ glue_state_file_init()
 	instance->state_file->Read();
 }
 
-/**
- * Windows-only initialization of the Winsock2 library.
- */
-static void winsock_init(void)
-{
-#ifdef _WIN32
-	WSADATA sockinfo;
-
-	int retval = WSAStartup(MAKEWORD(2, 2), &sockinfo);
-	if(retval != 0)
-		FormatFatalError("Attempt to open Winsock2 failed; error code %d",
-				 retval);
-
-	if (LOBYTE(sockinfo.wVersion) != 2)
-		FatalError("We use Winsock2 but your version is either too new "
-			   "or old; please install Winsock 2.x");
-#endif
-}
-
 /**
  * Initialize the decoder and player core, including the music pipe.
  */
@@ -451,7 +426,8 @@ try {
 
 	IcuInit();
 
-	winsock_init();
+	const ScopeNetInit net_init;
+
 	io_thread_init();
 	config_global_init();
 
@@ -505,21 +481,8 @@ try {
 	daemonize_begin(options.daemon);
 #endif
 
-#ifdef __BLOCKS__
-	/* Runs the OS X native event loop in the main thread, and runs
-	   the rest of mpd_main on a new thread. This lets CoreAudio receive
-	   route change notifications (e.g. plugging or unplugging headphones).
-	   All hardware output on OS X ultimately uses CoreAudio internally.
-	   This must be run after forking; if dispatch is called before forking,
-	   the child process will have a broken internal dispatch state. */
-	dispatch_async(dispatch_get_global_queue(DISPATCH_QUEUE_PRIORITY_DEFAULT, 0), ^{
-		exit(mpd_main_after_fork(config));
-	});
-	dispatch_main();
-	return EXIT_FAILURE; // unreachable, because dispatch_main never returns
-#else
 	return mpd_main_after_fork(config);
-#endif
+
 } catch (const std::exception &e) {
 	LogError(e);
 	return EXIT_FAILURE;
@@ -702,10 +665,6 @@ try {
 	daemonize_finish();
 #endif
 
-#ifdef _WIN32
-	WSACleanup();
-#endif
-
 	IcuFinish();
 
 	log_deinit();
@@ -719,16 +678,19 @@ try {
 
 gcc_visibility_default
 JNIEXPORT void JNICALL
-Java_org_musicpd_Bridge_run(JNIEnv *env, jclass, jobject _context)
+Java_org_musicpd_Bridge_run(JNIEnv *env, jclass, jobject _context, jobject _logListener)
 {
 	Java::Init(env);
 	Java::File::Initialise(env);
 	Environment::Initialise(env);
 
 	context = new Context(env, _context);
+	if (_logListener != nullptr)
+		logListener = new LogListener(env, _logListener);
 
 	mpd_main(0, nullptr);
 
+	delete logListener;
 	delete context;
 	Environment::Deinitialise(env);
 }

src/Main.hxx

@@ -25,7 +25,10 @@ class Context;
 struct Instance;
 
 #ifdef ANDROID
+#include "android/LogListener.hxx"
+
 extern Context *context;
+extern LogListener *logListener;
 #endif
 
 extern Instance *instance;

src/MusicPipe.hxx

@@ -95,6 +95,7 @@ public:
 	 */
 	gcc_pure
 	const MusicChunk *Peek() const noexcept {
+		const std::lock_guard<Mutex> protect(mutex);
 		return head;
 	}
 
@@ -120,6 +121,7 @@ public:
 	 */
 	gcc_pure
 	unsigned GetSize() const noexcept {
+		const std::lock_guard<Mutex> protect(mutex);
 		return size;
 	}
 

src/SongFilter.cxx

@@ -22,8 +22,11 @@
 #include "db/LightSong.hxx"
 #include "DetachedSong.hxx"
 #include "tag/Tag.hxx"
+#include "tag/Fallback.hxx"
 #include "util/ConstBuffer.hxx"
 #include "util/StringAPI.hxx"
+#include "util/StringCompare.hxx"
+#include "util/StringView.hxx"
 #include "util/ASCII.hxx"
 #include "util/TimeParser.hxx"
 #include "util/UriUtil.hxx"
@@ -59,13 +62,13 @@ locate_parse_type(const char *str) noexcept
 
 SongFilter::Item::Item(unsigned _tag, const char *_value, bool _fold_case)
 	:tag(_tag),
-	 value(AllocatedString<>::Duplicate(_value)),
+	 value(_value),
 	 fold_case(_fold_case ? IcuCompare(value.c_str()) : IcuCompare())
 {
 }
 
 SongFilter::Item::Item(unsigned _tag, time_t _time)
-	:tag(_tag), value(nullptr), time(_time)
+	:tag(_tag), time(_time)
 {
 }
 
@@ -107,6 +110,24 @@ SongFilter::Item::Match(const Tag &_tag) const noexcept
 	}
 
 	if (tag < TAG_NUM_OF_ITEM_TYPES && !visited_types[tag]) {
+		bool result = false;
+		if (ApplyTagFallback(TagType(tag),
+				     [&](TagType tag2) {
+			     if (!visited_types[tag2])
+				     return false;
+
+			     for (const auto &item : _tag) {
+				     if (item.type == tag2 &&
+					 StringMatch(item.value)) {
+					     result = true;
+					     break;
+				     }
+			     }
+
+			     return true;
+		     }))
+			return result;
+
 		/* If the search critieron was not visited during the
 		   sweep through the song's tag, it means this field
 		   is absent from the tag or empty. Thus, if the
@@ -115,15 +136,6 @@ SongFilter::Item::Match(const Tag &_tag) const noexcept
 		   true. */
 		if (value.empty())
 			return true;
-
-		if (tag == TAG_ALBUM_ARTIST && visited_types[TAG_ARTIST]) {
-			/* if we're looking for "album artist", but
-			   only "artist" exists, use that */
-			for (const auto &item : _tag)
-				if (item.type == TAG_ARTIST &&
-				    StringMatch(item.value))
-					return true;
-		}
 	}
 
 	return false;
@@ -274,3 +286,33 @@ SongFilter::GetBase() const noexcept
 
 	return nullptr;
 }
+
+SongFilter
+SongFilter::WithoutBasePrefix(const char *_prefix) const noexcept
+{
+	const StringView prefix(_prefix);
+	SongFilter result;
+
+	for (const auto &i : items) {
+		if (i.GetTag() == LOCATE_TAG_BASE_TYPE) {
+			const char *s = StringAfterPrefix(i.GetValue(), prefix);
+			if (s != nullptr) {
+				if (*s == 0)
+					continue;
+
+				if (*s == '/') {
+					++s;
+
+					if (*s != 0)
+						result.items.emplace_back(LOCATE_TAG_BASE_TYPE, s);
+
+					continue;
+				}
+			}
+		}
+
+		result.items.emplace_back(i);
+	}
+
+	return result;
+}

src/SongFilter.hxx

@@ -21,9 +21,9 @@
 #define MPD_SONG_FILTER_HXX
 
 #include "lib/icu/Compare.hxx"
-#include "util/AllocatedString.hxx"
 #include "Compiler.h"
 
+#include <string>
 #include <list>
 
 #include <stdint.h>
@@ -49,7 +49,7 @@ public:
 	class Item {
 		uint8_t tag;
 
-		AllocatedString<> value;
+		std::string value;
 
 		/**
 		 * This value is only set if case folding is enabled.
@@ -66,11 +66,6 @@ public:
 		Item(unsigned tag, const char *value, bool fold_case=false);
 		Item(unsigned tag, time_t time);
 
-		Item(const Item &other) = delete;
-		Item(Item &&) = default;
-
-		Item &operator=(const Item &other) = delete;
-
 		unsigned GetTag() const {
 			return tag;
 		}
@@ -157,6 +152,13 @@ public:
 	 */
 	gcc_pure
 	const char *GetBase() const noexcept;
+
+	/**
+	 * Create a copy of the filter with the given prefix stripped
+	 * from all #LOCATE_TAG_BASE_TYPE items.  This is used to
+	 * filter songs in mounted databases.
+	 */
+	SongFilter WithoutBasePrefix(const char *prefix) const noexcept;
 };
 
 /**

src/SongSave.cxx

@@ -28,6 +28,7 @@
 #include "tag/TagBuilder.hxx"
 #include "util/StringUtil.hxx"
 #include "util/RuntimeError.hxx"
+#include "util/NumberParser.hxx"
 
 #include <string.h>
 #include <stdlib.h>
@@ -94,7 +95,7 @@ song_load(TextFile &file, const char *uri)
 		if ((type = tag_name_parse(line)) != TAG_NUM_OF_ITEM_TYPES) {
 			tag.AddItem(type, value);
 		} else if (strcmp(line, "Time") == 0) {
-			tag.SetDuration(SignedSongTime::FromS(atof(value)));
+			tag.SetDuration(SignedSongTime::FromS(ParseDouble(value)));
 		} else if (strcmp(line, "Playlist") == 0) {
 			tag.SetHasPlaylist(strcmp(value, "yes") == 0);
 		} else if (strcmp(line, SONG_MTIME) == 0) {

src/android/LogListener.cxx

@@ -0,0 +1,46 @@
+/*
+ * Copyright 2003-2018 The Music Player Daemon Project
+ * http://www.musicpd.org
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ */
+
+#include "config.h"
+#include "LogListener.hxx"
+#include "java/Class.hxx"
+#include "java/String.hxx"
+#include "util/AllocatedString.hxx"
+#include "util/FormatString.hxx"
+
+void
+LogListener::OnLog(JNIEnv *env, int priority, const char *fmt, ...) const
+{
+	assert(env != nullptr);
+
+	Java::Class cls(env, env->GetObjectClass(Get()));
+
+	jmethodID method = env->GetMethodID(cls, "onLog",
+					    "(ILjava/lang/String;)V");
+
+	assert(method);
+
+	va_list args;
+	va_start(args, fmt);
+	const auto log = FormatStringV(fmt, args);
+	va_end(args);
+
+	env->CallVoidMethod(Get(), method, priority,
+			    Java::String(env, log.c_str()).Get());
+}

src/android/LogListener.hxx

@@ -1,5 +1,5 @@
 /*
- * Copyright 2003-2017 The Music Player Daemon Project
+ * Copyright 2003-2018 The Music Player Daemon Project
  * http://www.musicpd.org
  *
  * This program is free software; you can redistribute it and/or modify
@@ -17,8 +17,16 @@
  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  */
 
-#include "config.h"
+#ifndef MPD_ANDROID_LOG_LISTENER_HXX
-#include "Domain.hxx"
+#define MPD_ANDROID_LOG_LISTENER_HXX
-#include "util/Domain.hxx"
 
-const Domain input_domain("input");
+#include "java/Object.hxx"
+
+class LogListener : public Java::Object {
+public:
+	LogListener(JNIEnv *env, jobject obj):Java::Object(env, obj) {}
+
+	void OnLog(JNIEnv *env, int priority, const char *fmt, ...) const;
+};
+
+#endif

src/archive/plugins/Bzip2ArchivePlugin.cxx

@@ -162,7 +162,7 @@ Bzip2InputStream::FillBuffer()
 	if (bzstream.avail_in > 0)
 		return true;
 
-	size_t count = archive->istream->Read(buffer, sizeof(buffer));
+	size_t count = archive->istream->LockRead(buffer, sizeof(buffer));
 	if (count == 0)
 		return false;
 
@@ -174,6 +174,8 @@ Bzip2InputStream::FillBuffer()
 size_t
 Bzip2InputStream::Read(void *ptr, size_t length)
 {
+	const ScopeUnlock unlock(mutex);
+
 	int bz_result;
 	size_t nbytes = 0;
 
@@ -224,4 +226,3 @@ const ArchivePlugin bz2_archive_plugin = {
 	bz2_open,
 	bz2_extensions,
 };
-

src/archive/plugins/Iso9660ArchivePlugin.cxx

@@ -115,7 +115,12 @@ Iso9660ArchiveFile::Visit(char *path, size_t length, size_t capacity,
 			visitor.VisitArchiveEntry(path + 1);
 		}
 	}
+
+#if LIBCDIO_VERSION_NUM >= 20000
+	iso9660_filelist_free(entlist);
+#else
 	_cdio_list_free (entlist, true);
+#endif
 }
 
 static ArchiveFile *
@@ -182,6 +187,8 @@ Iso9660ArchiveFile::OpenStream(const char *pathname,
 size_t
 Iso9660InputStream::Read(void *ptr, size_t read_size)
 {
+	const ScopeUnlock unlock(mutex);
+
 	int readed = 0;
 	int no_blocks, cur_block;
 	size_t left_bytes = statbuf->size - offset;

src/archive/plugins/ZzipArchivePlugin.cxx

@@ -138,6 +138,8 @@ ZzipArchiveFile::OpenStream(const char *pathname,
 size_t
 ZzipInputStream::Read(void *ptr, size_t read_size)
 {
+	const ScopeUnlock unlock(mutex);
+
 	int ret = zzip_file_read(file, ptr, read_size);
 	if (ret < 0)
 		throw std::runtime_error("zzip_file_read() has failed");
@@ -155,6 +157,8 @@ ZzipInputStream::IsEOF() noexcept
 void
 ZzipInputStream::Seek(offset_type new_offset)
 {
+	const ScopeUnlock unlock(mutex);
+
 	zzip_off_t ofs = zzip_seek(file, new_offset, SEEK_SET);
 	if (ofs < 0)
 		throw std::runtime_error("zzip_seek() has failed");

src/command/CommandError.cxx

@@ -123,6 +123,10 @@ ToAck(std::exception_ptr ep) noexcept
 		return ACK_ERROR_SYSTEM;
 	} catch (const std::invalid_argument &e) {
 		return ACK_ERROR_ARG;
+	} catch (const std::length_error &e) {
+		return ACK_ERROR_ARG;
+	} catch (const std::out_of_range &e) {
+		return ACK_ERROR_ARG;
 #ifdef GLIBCXX_49X
 	} catch (const std::exception &e) {
 #else

src/command/DatabaseCommands.cxx

@@ -191,7 +191,7 @@ handle_list(Client &client, Request args, Response &r)
 	}
 
 	std::unique_ptr<SongFilter> filter;
-	tag_mask_t group_mask = 0;
+	TagType group = TAG_NUM_OF_ITEM_TYPES;
 
 	if (args.size == 1) {
 		/* for compatibility with < 0.12.0 */
@@ -206,18 +206,16 @@ handle_list(Client &client, Request args, Response &r)
 					    args.shift()));
 	}
 
-	while (args.size >= 2 &&
+	if  (args.size >= 2 &&
-	       StringIsEqual(args[args.size - 2], "group")) {
+	     StringIsEqual(args[args.size - 2], "group")) {
 		const char *s = args[args.size - 1];
-		TagType gt = tag_name_parse_i(s);
+		group = tag_name_parse_i(s);
-		if (gt == TAG_NUM_OF_ITEM_TYPES) {
+		if (group == TAG_NUM_OF_ITEM_TYPES) {
 			r.FormatError(ACK_ERROR_ARG,
 				      "Unknown tag type: %s", s);
 			return CommandResult::ERROR;
 		}
 
-		group_mask |= tag_mask_t(1) << unsigned(gt);
-
 		args.pop_back();
 		args.pop_back();
 	}
@@ -230,14 +228,13 @@ handle_list(Client &client, Request args, Response &r)
 		}
 	}
 
-	if (tagType < TAG_NUM_OF_ITEM_TYPES &&
+	if (tagType < TAG_NUM_OF_ITEM_TYPES && tagType == group) {
-	    group_mask & (tag_mask_t(1) << tagType)) {
 		r.Error(ACK_ERROR_ARG, "Conflicting group");
 		return CommandResult::ERROR;
 	}
 
 	PrintUniqueTags(r, client.partition,
-			tagType, group_mask, filter.get());
+			tagType, group, filter.get());
 	return CommandResult::OK;
 }
 

src/db/Count.cxx

@@ -25,6 +25,7 @@
 #include "client/Response.hxx"
 #include "LightSong.hxx"
 #include "tag/Tag.hxx"
+#include "tag/VisitFallback.hxx"
 
 #include <functional>
 #include <map>
@@ -72,24 +73,15 @@ stats_visitor_song(SearchStats &stats, const LightSong &song)
 		stats.total_duration += duration;
 }
 
-static bool
+static void
-CollectGroupCounts(TagCountMap &map, TagType group, const Tag &tag)
+CollectGroupCounts(TagCountMap &map, const Tag &tag,
+		   const char *value) noexcept
 {
-	bool found = false;
+	auto r = map.insert(std::make_pair(value, SearchStats()));
-	for (const auto &item : tag) {
+	SearchStats &s = r.first->second;
-		if (item.type == group) {
+	++s.n_songs;
-			auto r = map.insert(std::make_pair(item.value,
+	if (!tag.duration.IsNegative())
-							   SearchStats()));
+		s.total_duration += tag.duration;
-			SearchStats &s = r.first->second;
-			++s.n_songs;
-			if (!tag.duration.IsNegative())
-				s.total_duration += tag.duration;
-
-			found = true;
-		}
-	}
-
-	return found;
 }
 
 static void
@@ -98,9 +90,10 @@ GroupCountVisitor(TagCountMap &map, TagType group, const LightSong &song)
 	assert(song.tag != nullptr);
 
 	const Tag &tag = *song.tag;
-	if (!CollectGroupCounts(map, group, tag) && group == TAG_ALBUM_ARTIST)
+	VisitTagWithFallbackOrEmpty(tag, group,
-		/* fall back to "Artist" if no "AlbumArtist" was found */
+				    std::bind(CollectGroupCounts, std::ref(map),
-		CollectGroupCounts(map, TAG_ARTIST, tag);
+					      std::cref(tag),
+					      std::placeholders::_1));
 }
 
 void

src/db/DatabasePrint.cxx

@@ -187,22 +187,34 @@ PrintSongURIVisitor(Response &r, Partition &partition, const LightSong &song)
 }
 
 static void
-PrintUniqueTag(Response &r, TagType tag_type,
+PrintUniqueTags(Response &r, TagType tag_type,
-	       const Tag &tag)
+		const std::set<std::string> &values)
 {
-	const char *value = tag.GetValue(tag_type);
+	const char *const name = tag_item_names[tag_type];
-	assert(value != nullptr);
+	for (const auto &i : values)
-	r.Format("%s: %s\n", tag_item_names[tag_type], value);
+		r.Format("%s: %s\n", name, i.c_str());
+}
 
-	for (const auto &item : tag)
+static void
-		if (item.type != tag_type)
+PrintGroupedUniqueTags(Response &r, TagType tag_type, TagType group,
-			r.Format("%s: %s\n",
+		       const std::map<std::string, std::set<std::string>> &groups)
-				 tag_item_names[item.type], item.value);
+{
+	if (group == TAG_NUM_OF_ITEM_TYPES) {
+		for (const auto &i : groups)
+			PrintUniqueTags(r, tag_type, i.second);
+		return;
+	}
+
+	const char *const group_name = tag_item_names[group];
+	for (const auto &i : groups) {
+		r.Format("%s: %s\n", group_name, i.first.c_str());
+		PrintUniqueTags(r, tag_type, i.second);
+	}
 }
 
 void
 PrintUniqueTags(Response &r, Partition &partition,
-		unsigned type, tag_mask_t group_mask,
+		unsigned type, TagType group,
 		const SongFilter *filter)
 {
 	const Database &db = partition.GetDatabaseOrThrow();
@@ -217,10 +229,9 @@ PrintUniqueTags(Response &r, Partition &partition,
 	} else {
 		assert(type < TAG_NUM_OF_ITEM_TYPES);
 
-		using namespace std::placeholders;
+		PrintGroupedUniqueTags(r, TagType(type), group,
-		const auto f = std::bind(PrintUniqueTag, std::ref(r),
+				       db.CollectUniqueTags(selection,
-					 (TagType)type, _1);
+							    TagType(type),
-		db.VisitUniqueTags(selection, (TagType)type,
+							    group));
-				   group_mask, f);
 	}
 }

src/db/DatabasePrint.hxx

@@ -20,7 +20,7 @@
 #ifndef MPD_DB_PRINT_H
 #define MPD_DB_PRINT_H
 
-#include "tag/Mask.hxx"
+#include "tag/TagType.h"
 
 class SongFilter;
 struct DatabaseSelection;
@@ -44,7 +44,7 @@ db_selection_print(Response &r, Partition &partition,
 
 void
 PrintUniqueTags(Response &r, Partition &partition,
-		unsigned type, tag_mask_t group_mask,
+		unsigned type, TagType group,
 		const SongFilter *filter);
 
 #endif

src/db/Interface.hxx

@@ -22,9 +22,12 @@
 
 #include "Visitor.hxx"
 #include "tag/TagType.h"
-#include "tag/Mask.hxx"
 #include "Compiler.h"
 
+#include <map>
+#include <set>
+#include <string>
+
 #include <time.h>
 
 struct DatabasePlugin;
@@ -99,12 +102,9 @@ public:
 		return Visit(selection, VisitDirectory(), visit_song);
 	}
 
-	/**
+	virtual std::map<std::string, std::set<std::string>> CollectUniqueTags(const DatabaseSelection &selection,
-	 * Visit all unique tag values.
+									       TagType tag_type,
-	 */
+									       TagType group=TAG_NUM_OF_ITEM_TYPES) const = 0;
-	virtual void VisitUniqueTags(const DatabaseSelection &selection,
-				     TagType tag_type, tag_mask_t group_mask,
-				     VisitTag visit_tag) const = 0;
 
 	virtual DatabaseStats GetStats(const DatabaseSelection &selection) const = 0;
 

src/db/UniqueTags.cxx

@@ -20,34 +20,42 @@
 #include "UniqueTags.hxx"
 #include "Interface.hxx"
 #include "LightSong.hxx"
-#include "tag/Set.hxx"
+#include "tag/VisitFallback.hxx"
 
 #include <functional>
 
 #include <assert.h>
 
 static void
-CollectTags(TagSet &set, TagType tag_type, tag_mask_t group_mask,
+CollectTags(std::set<std::string> &result,
-	    const LightSong &song)
+	    const Tag &tag,
+	    TagType tag_type) noexcept
 {
-	assert(song.tag != nullptr);
+	VisitTagWithFallbackOrEmpty(tag, tag_type, [&result](const char *value){
-	const Tag &tag = *song.tag;
+			result.emplace(value);
-
+		});
-	set.InsertUnique(tag, tag_type, group_mask);
 }
 
-void
+static void
-VisitUniqueTags(const Database &db, const DatabaseSelection &selection,
+CollectGroupTags(std::map<std::string, std::set<std::string>> &result,
-		TagType tag_type, tag_mask_t group_mask,
+		 const Tag &tag,
-		VisitTag visit_tag)
+		 TagType tag_type,
+		 TagType group) noexcept
 {
-	TagSet set;
+	VisitTagWithFallbackOrEmpty(tag, group, [&](const char *group_name){
-
+			CollectTags(result[group_name], tag, tag_type);
-	using namespace std::placeholders;
+		});
-	const auto f = std::bind(CollectTags, std::ref(set),
+}
-				 tag_type, group_mask, _1);
+
-	db.Visit(selection, f);
+std::map<std::string, std::set<std::string>>
-
+CollectUniqueTags(const Database &db, const DatabaseSelection &selection,
-	for (const auto &value : set)
+		  TagType tag_type, TagType group)
-		visit_tag(value);
+{
+	std::map<std::string, std::set<std::string>> result;
+
+	db.Visit(selection, [&result, tag_type, group](const LightSong &song){
+			CollectGroupTags(result, *song.tag, tag_type, group);
+		});
+
+	return result;
 }

src/db/UniqueTags.hxx

@@ -20,16 +20,19 @@
 #ifndef MPD_DB_UNIQUE_TAGS_HXX
 #define MPD_DB_UNIQUE_TAGS_HXX
 
-#include "Visitor.hxx"
 #include "tag/TagType.h"
-#include "tag/Mask.hxx"
+#include "Compiler.h"
+
+#include <map>
+#include <set>
+#include <string>
 
 class Database;
 struct DatabaseSelection;
 
-void
+gcc_pure
-VisitUniqueTags(const Database &db, const DatabaseSelection &selection,
+std::map<std::string, std::set<std::string>>
-		TagType tag_type, tag_mask_t group_mask,
+CollectUniqueTags(const Database &db, const DatabaseSelection &selection,
-		VisitTag visit_tag);
+		  TagType tag_type, TagType group);
 
 #endif

src/db/plugins/ProxyDatabasePlugin.cxx

@@ -82,6 +82,7 @@ class ProxyDatabase final : public Database, SocketMonitor, IdleMonitor {
 	DatabaseListener &listener;
 
 	const std::string host;
+	const std::string password;
 	const unsigned port;
 	const bool keepalive;
 
@@ -119,9 +120,9 @@ public:
 		   VisitSong visit_song,
 		   VisitPlaylist visit_playlist) const override;
 
-	void VisitUniqueTags(const DatabaseSelection &selection,
+	std::map<std::string, std::set<std::string>> CollectUniqueTags(const DatabaseSelection &selection,
-			     TagType tag_type, tag_mask_t group_mask,
+								       TagType tag_type,
-			     VisitTag visit_tag) const override;
+								       TagType group) const override;
 
 	DatabaseStats GetStats(const DatabaseSelection &selection) const override;
 
@@ -169,6 +170,13 @@ static constexpr struct {
 #if LIBMPDCLIENT_CHECK_VERSION(2,10,0)
 	{ TAG_MUSICBRAINZ_RELEASETRACKID,
 	  MPD_TAG_MUSICBRAINZ_RELEASETRACKID },
+#endif
+#if LIBMPDCLIENT_CHECK_VERSION(2,11,0)
+	{ TAG_ARTIST_SORT, MPD_TAG_ARTIST_SORT },
+	{ TAG_ALBUM_ARTIST_SORT, MPD_TAG_ALBUM_ARTIST_SORT },
+#endif
+#if LIBMPDCLIENT_CHECK_VERSION(2,12,0)
+	{ TAG_ALBUM_SORT, MPD_TAG_ALBUM_SORT },
 #endif
 	{ TAG_NUM_OF_ITEM_TYPES, MPD_TAG_COUNT }
 };
@@ -325,12 +333,32 @@ SendConstraints(mpd_connection *connection, const DatabaseSelection &selection)
 	return true;
 }
 
+static bool
+SendGroup(mpd_connection *connection, TagType group)
+{
+	if (group == TAG_NUM_OF_ITEM_TYPES)
+		return true;
+
+#if LIBMPDCLIENT_CHECK_VERSION(2,12,0)
+	const auto tag = Convert(group);
+	if (tag == MPD_TAG_COUNT)
+		throw std::runtime_error("Unsupported tag");
+
+	return mpd_search_add_group_tag(connection, tag);
+#else
+	(void)connection;
+
+	return true;
+#endif
+}
+
 ProxyDatabase::ProxyDatabase(EventLoop &_loop, DatabaseListener &_listener,
 			     const ConfigBlock &block)
 	:Database(proxy_db_plugin),
 	 SocketMonitor(_loop), IdleMonitor(_loop),
 	 listener(_listener),
 	 host(block.GetBlockValue("host", "")),
+	 password(block.GetBlockValue("password", "")),
 	 port(block.GetBlockValue("port", 0u)),
 	 keepalive(block.GetBlockValue("keepalive", false))
 {
@@ -374,6 +402,10 @@ ProxyDatabase::Connect()
 
 	try {
 		CheckError(connection);
+
+		if (!password.empty() &&
+		    !mpd_run_password(connection, password.c_str()))
+			ThrowError(connection);
 	} catch (...) {
 		mpd_connection_free(connection);
 		connection = nullptr;
@@ -682,7 +714,7 @@ static void
 SearchSongs(struct mpd_connection *connection,
 	    const DatabaseSelection &selection,
 	    VisitSong visit_song)
-{
+try {
 	assert(selection.recursive);
 	assert(visit_song);
 
@@ -709,6 +741,11 @@ SearchSongs(struct mpd_connection *connection,
 
 	if (!mpd_response_finish(connection))
 		ThrowError(connection);
+} catch (...) {
+	if (connection != nullptr)
+		mpd_search_cancel(connection);
+
+	throw;
 }
 
 /**
@@ -753,12 +790,10 @@ ProxyDatabase::Visit(const DatabaseSelection &selection,
 		visit_directory, visit_song, visit_playlist);
 }
 
-void
+std::map<std::string, std::set<std::string>>
-ProxyDatabase::VisitUniqueTags(const DatabaseSelection &selection,
+ProxyDatabase::CollectUniqueTags(const DatabaseSelection &selection,
-			       TagType tag_type,
+				 TagType tag_type, TagType group) const
-			       gcc_unused tag_mask_t group_mask,
+try {
-			       VisitTag visit_tag) const
-{
 	// TODO: eliminate the const_cast
 	const_cast<ProxyDatabase *>(this)->EnsureConnected();
 
@@ -767,40 +802,62 @@ ProxyDatabase::VisitUniqueTags(const DatabaseSelection &selection,
 		throw std::runtime_error("Unsupported tag");
 
 	if (!mpd_search_db_tags(connection, tag_type2) ||
-	    !SendConstraints(connection, selection))
+	    !SendConstraints(connection, selection) ||
+	    !SendGroup(connection, group))
 		ThrowError(connection);
 
-	// TODO: use group_mask
-
 	if (!mpd_search_commit(connection))
 		ThrowError(connection);
 
-	while (auto *pair = mpd_recv_pair_tag(connection, tag_type2)) {
+	std::map<std::string, std::set<std::string>> result;
-		AtScopeExit(this, pair) {
-			mpd_return_pair(connection, pair);
-		};
 
-		TagBuilder tag;
+	if (group == TAG_NUM_OF_ITEM_TYPES) {
-		tag.AddItem(tag_type, pair->value);
+		auto &values = result[std::string()];
 
-		if (tag.IsEmpty())
+		while (auto *pair = mpd_recv_pair(connection)) {
-			/* if no tag item has been added, then the
+			AtScopeExit(this, pair) {
-			   given value was not acceptable
+				mpd_return_pair(connection, pair);
-			   (e.g. empty); forcefully insert an empty
+			};
-			   tag in this case, as the caller expects the
-			   given tag type to be present */
-			tag.AddEmptyItem(tag_type);
 
-		try {
+			const auto current_type = tag_name_parse_i(pair->name);
-			visit_tag(tag.Commit());
+			if (current_type == TAG_NUM_OF_ITEM_TYPES)
-		} catch (...) {
+				continue;
-			mpd_response_finish(connection);
+
-			throw;
+			if (current_type == tag_type)
+				values.emplace(pair->value);
+		}
+	} else {
+		std::set<std::string> *current_group = nullptr;
+
+		while (auto *pair = mpd_recv_pair(connection)) {
+			AtScopeExit(this, pair) {
+				mpd_return_pair(connection, pair);
+			};
+
+			const auto current_type = tag_name_parse_i(pair->name);
+			if (current_type == TAG_NUM_OF_ITEM_TYPES)
+				continue;
+
+			if (current_type == tag_type) {
+				if (current_group == nullptr)
+					current_group = &result[std::string()];
+
+				current_group->emplace(pair->value);
+			} else if (current_type == group) {
+				current_group = &result[pair->value];
+			}
 		}
 	}
 
 	if (!mpd_response_finish(connection))
 		ThrowError(connection);
+
+	return result;
+} catch (...) {
+	if (connection != nullptr)
+		mpd_search_cancel(connection);
+
+	throw;
 }
 
 DatabaseStats

src/db/plugins/simple/DirectorySave.cxx

@@ -82,10 +82,11 @@ directory_save(BufferedOutputStream &os, const Directory &directory)
 	}
 
 	for (const auto &child : directory.children) {
-		os.Format(DIRECTORY_DIR "%s\n", child.GetName());
+		if (child.IsMount())
+			continue;
 
-		if (!child.IsMount())
+		os.Format(DIRECTORY_DIR "%s\n", child.GetName());
-			directory_save(os, child);
+		directory_save(os, child);
 	}
 
 	for (const auto &song : directory.songs)

src/db/plugins/simple/Mount.cxx

@@ -20,18 +20,12 @@
 #include "config.h"
 #include "Mount.hxx"
 #include "PrefixedLightSong.hxx"
+#include "SongFilter.hxx"
 #include "db/Selection.hxx"
 #include "db/LightDirectory.hxx"
 #include "db/Interface.hxx"
 #include "fs/Traits.hxx"
 
-#ifdef _LIBCPP_VERSION
-/* workaround for "error: incomplete type 'PlaylistInfo' used in type
-   trait expression" with libc++ version 3900 (from Android NDK
-   r13b) */
-#include "db/PlaylistInfo.hxx"
-#endif
-
 #include <string>
 
 struct PrefixedLightDirectory : LightDirectory {
@@ -93,5 +87,16 @@ WalkMount(const char *base, const Database &db,
 		vp = std::bind(PrefixVisitPlaylist,
 			       base, std::ref(visit_playlist), _1, _2);
 
+	SongFilter prefix_filter;
+
+	if (base != nullptr && filter != nullptr) {
+		/* if the SongFilter contains a LOCATE_TAG_BASE_TYPE
+		   item, copy the SongFilter and drop the mount point
+		   from the filter, because the mounted database
+		   doesn't know its own location within MPD's VFS */
+		prefix_filter = filter->WithoutBasePrefix(base);
+		filter = &prefix_filter;
+	}
+
 	db.Visit(DatabaseSelection(uri, recursive, filter), vd, vs, vp);
 }

src/db/plugins/simple/SimpleDatabasePlugin.cxx

@@ -312,12 +312,11 @@ SimpleDatabase::Visit(const DatabaseSelection &selection,
 			    "No such directory");
 }
 
-void
+std::map<std::string, std::set<std::string>>
-SimpleDatabase::VisitUniqueTags(const DatabaseSelection &selection,
+SimpleDatabase::CollectUniqueTags(const DatabaseSelection &selection,
-				TagType tag_type, tag_mask_t group_mask,
+				  TagType tag_type, TagType group) const
-				VisitTag visit_tag) const
 {
-	::VisitUniqueTags(*this, selection, tag_type, group_mask, visit_tag);
+	return ::CollectUniqueTags(*this, selection, tag_type, group);
 }
 
 DatabaseStats

src/db/plugins/simple/SimpleDatabasePlugin.hxx

@@ -119,9 +119,9 @@ public:
 		   VisitSong visit_song,
 		   VisitPlaylist visit_playlist) const override;
 
-	void VisitUniqueTags(const DatabaseSelection &selection,
+	std::map<std::string, std::set<std::string>> CollectUniqueTags(const DatabaseSelection &selection,
-			     TagType tag_type, tag_mask_t group_mask,
+								       TagType tag_type,
-			     VisitTag visit_tag) const override;
+								       TagType group) const override;
 
 	DatabaseStats GetStats(const DatabaseSelection &selection) const override;
 

src/db/plugins/upnp/ContentDirectoryService.cxx

@@ -27,6 +27,7 @@
 #include "util/UriUtil.hxx"
 #include "util/RuntimeError.hxx"
 #include "util/ScopeExit.hxx"
+#include "util/StringFormat.hxx"
 
 #include <stdio.h>
 
@@ -47,10 +48,6 @@ ContentDirectoryService::readDirSlice(UpnpClient_Handle hdl,
 				      unsigned &didreadp,
 				      unsigned &totalp) const
 {
-	// Create request
-	char ofbuf[100], cntbuf[100];
-	sprintf(ofbuf, "%u", offset);
-	sprintf(cntbuf, "%u", count);
 	// Some devices require an empty SortCriteria, else bad params
 	IXML_Document *request =
 		MakeActionHelper("Browse", m_serviceType.c_str(),
@@ -58,8 +55,10 @@ ContentDirectoryService::readDirSlice(UpnpClient_Handle hdl,
 				 "BrowseFlag", "BrowseDirectChildren",
 				 "Filter", "*",
 				 "SortCriteria", "",
-				 "StartingIndex", ofbuf,
+				 "StartingIndex",
-				 "RequestedCount", cntbuf);
+				 StringFormat<32>("%u", offset).c_str(),
+				 "RequestedCount",
+				 StringFormat<32>("%u", count).c_str());
 	if (request == nullptr)
 		throw std::runtime_error("UpnpMakeAction() failed");
 
@@ -112,15 +111,13 @@ ContentDirectoryService::search(UpnpClient_Handle hdl,
 	unsigned offset = 0, total = -1, count;
 
 	do {
-		char ofbuf[100];
-		sprintf(ofbuf, "%d", offset);
-
 		UniqueIxmlDocument request(MakeActionHelper("Search", m_serviceType.c_str(),
 							    "ContainerID", objectId,
 							    "SearchCriteria", ss,
 							    "Filter", "*",
 							    "SortCriteria", "",
-							    "StartingIndex", ofbuf,
+							    "StartingIndex",
+							    StringFormat<32>("%u", offset).c_str(),
 							    "RequestedCount", "0")); // Setting a value here gets twonky into fits
 		if (!request)
 			throw std::runtime_error("UpnpMakeAction() failed");

src/db/plugins/upnp/UpnpDatabasePlugin.cxx

@@ -87,9 +87,9 @@ public:
 		   VisitSong visit_song,
 		   VisitPlaylist visit_playlist) const override;
 
-	void VisitUniqueTags(const DatabaseSelection &selection,
+	std::map<std::string, std::set<std::string>> CollectUniqueTags(const DatabaseSelection &selection,
-			     TagType tag_type, tag_mask_t group_mask,
+								       TagType tag_type,
-			     VisitTag visit_tag) const override;
+								       TagType group) const override;
 
 	DatabaseStats GetStats(const DatabaseSelection &selection) const override;
 
@@ -603,17 +603,15 @@ UpnpDatabase::Visit(const DatabaseSelection &selection,
 		    visit_directory, visit_song, visit_playlist);
 }
 
-void
+std::map<std::string, std::set<std::string>>
-UpnpDatabase::VisitUniqueTags(const DatabaseSelection &selection,
+UpnpDatabase::CollectUniqueTags(const DatabaseSelection &selection,
-			      TagType tag, gcc_unused tag_mask_t group_mask,
+				TagType tag, TagType group) const
-			      VisitTag visit_tag) const
 {
-	// TODO: use group_mask
+	(void)group; // TODO: use group
 
-	if (!visit_tag)
+	std::map<std::string, std::set<std::string>> result;
-		return;
+	auto &values = result[std::string()];
 
-	std::set<std::string> values;
 	for (auto& server : discovery->GetDirectories()) {
 		const auto dirbuf = SearchSongs(server, rootid, selection);
 
@@ -633,11 +631,7 @@ UpnpDatabase::VisitUniqueTags(const DatabaseSelection &selection,
 		}
 	}
 
-	for (const auto& value : values) {
+	return result;
-		TagBuilder builder;
-		builder.AddItem(tag, value.c_str());
-		visit_tag(builder.Commit());
-	}
 }
 
 DatabaseStats

src/db/update/ExcludeList.cxx

@@ -26,8 +26,8 @@
 #include "ExcludeList.hxx"
 #include "fs/Path.hxx"
 #include "fs/NarrowPath.hxx"
-#include "fs/io/TextFile.hxx"
+#include "input/TextInputStream.hxx"
-#include "system/Error.hxx"
+#include "util/StringUtil.hxx"
 #include "Log.hxx"
 
 #include <stdexcept>
@@ -35,35 +35,29 @@
 #include <assert.h>
 #include <string.h>
 
+inline void
+ExcludeList::ParseLine(char *line) noexcept
+{
+	char *p = Strip(line);
+	if (*p != 0 && *p != '#')
+		patterns.emplace_front(p);
+}
+
 bool
-ExcludeList::LoadFile(Path path_fs) noexcept
+ExcludeList::Load(InputStreamPtr is)
-try {
+{
 #ifdef HAVE_CLASS_GLOB
-	TextFile file(path_fs);
+	TextInputStream tis(std::move(is));
 
 	char *line;
-	while ((line = file.ReadLine()) != nullptr) {
+	while ((line = tis.ReadLine()) != nullptr)
-		char *p = strchr(line, '#');
+		ParseLine(line);
-		if (p != nullptr)
-			*p = 0;
-
-		p = Strip(line);
-		if (*p != 0)
-			patterns.emplace_front(p);
-	}
 #else
 	/* not implemented */
 	(void)path_fs;
 #endif
 
 	return true;
-} catch (const std::system_error &e) {
-	if (!IsFileNotFound(e))
-		LogError(e);
-	return false;
-} catch (const std::exception &e) {
-	LogError(e);
-	return false;
 }
 
 bool

src/db/update/ExcludeList.hxx

@@ -28,6 +28,7 @@
 #include "check.h"
 #include "Compiler.h"
 #include "fs/Glob.hxx"
+#include "input/Ptr.hxx"
 
 #ifdef HAVE_CLASS_GLOB
 #include <forward_list>
@@ -62,13 +63,16 @@ public:
 	/**
 	 * Loads and parses a .mpdignore file.
 	 */
-	bool LoadFile(Path path_fs) noexcept;
+	bool Load(InputStreamPtr is);
 
 	/**
 	 * Checks whether one of the patterns in the .mpdignore file matches
 	 * the specified file name.
 	 */
 	bool Check(Path name_fs) const noexcept;
+
+private:
+	void ParseLine(char *line) noexcept;
 };
 
 

src/db/update/Queue.hxx

@@ -49,6 +49,10 @@ struct UpdateQueueItem {
 	bool IsDefined() const {
 		return id != 0;
 	}
+
+	void Clear() {
+		id = 0;
+	}
 };
 
 class UpdateQueue {

src/db/update/Service.cxx

@@ -29,6 +29,7 @@
 #include "Idle.hxx"
 #include "Log.hxx"
 #include "thread/Thread.hxx"
+#include "thread/Name.hxx"
 #include "thread/Util.hxx"
 
 #ifndef NDEBUG
@@ -43,6 +44,7 @@ UpdateService::UpdateService(EventLoop &_loop, SimpleDatabase &_db,
 	:DeferredMonitor(_loop),
 	 db(_db), storage(_storage),
 	 listener(_listener),
+	 update_thread(BIND_THIS_METHOD(Task)),
 	 update_task_id(0),
 	 walk(nullptr)
 {
@@ -112,6 +114,8 @@ UpdateService::Task()
 {
 	assert(walk != nullptr);
 
+	SetThreadName("update");
+
 	if (!next.path_utf8.empty())
 		FormatDebug(update_domain, "starting: %s",
 			    next.path_utf8.c_str());
@@ -140,13 +144,6 @@ UpdateService::Task()
 	DeferredMonitor::Schedule();
 }
 
-void
-UpdateService::Task(void *ctx)
-{
-	UpdateService &service = *(UpdateService *)ctx;
-	return service.Task();
-}
-
 void
 UpdateService::StartThread(UpdateQueueItem &&i)
 {
@@ -158,7 +155,7 @@ UpdateService::StartThread(UpdateQueueItem &&i)
 	next = std::move(i);
 	walk = new UpdateWalk(GetEventLoop(), listener, *next.storage);
 
-	update_thread.Start(Task, this);
+	update_thread.Start();
 
 	FormatDebug(update_domain,
 		    "spawned thread for update job id %i", next.id);
@@ -258,7 +255,7 @@ UpdateService::RunDeferred()
 	delete walk;
 	walk = nullptr;
 
-	next = UpdateQueueItem();
+	next.Clear();
 
 	idle_add(IDLE_UPDATE);
 

src/db/update/Service.hxx

@@ -98,7 +98,6 @@ private:
 
 	/* the update thread */
 	void Task();
-	static void Task(void *ctx);
 
 	void StartThread(UpdateQueueItem &&i);
 

src/db/update/Walk.cxx

@@ -36,6 +36,9 @@
 #include "fs/Traits.hxx"
 #include "fs/FileSystem.hxx"
 #include "storage/FileInfo.hxx"
+#include "input/InputStream.hxx"
+#include "input/Error.hxx"
+#include "thread/Cond.hxx"
 #include "util/Alloc.hxx"
 #include "util/StringCompare.hxx"
 #include "util/UriUtil.hxx"
@@ -345,11 +348,16 @@ UpdateWalk::UpdateDirectory(Directory &directory,
 
 	ExcludeList child_exclude_list(exclude_list);
 
-	{
+	try {
-		const auto exclude_path_fs =
+		Mutex mutex;
-			storage.MapChildFS(directory.GetPath(), ".mpdignore");
+		Cond cond;
-		if (!exclude_path_fs.IsNull())
+		auto is = InputStream::OpenReady(PathTraitsUTF8::Build(storage.MapUTF8(directory.GetPath()).c_str(),
-			child_exclude_list.LoadFile(exclude_path_fs);
+								       ".mpdignore").c_str(),
+						 mutex, cond);
+		child_exclude_list.Load(std::move(is));
+	} catch (...) {
+		if (!IsFileNotFound(std::current_exception()))
+			LogError(std::current_exception());
 	}
 
 	if (!child_exclude_list.IsEmpty())

src/decoder/Bridge.cxx

@@ -300,6 +300,7 @@ DecoderBridge::CommandFinished()
 
 		initial_seek_running = false;
 		timestamp = dc.start_time.ToDoubleS();
+		absolute_frame = dc.start_time.ToScale<uint64_t>(dc.in_audio_format.sample_rate);
 		return;
 	}
 
@@ -319,6 +320,7 @@ DecoderBridge::CommandFinished()
 			convert->Reset();
 
 		timestamp = dc.seek_time.ToDoubleS();
+		absolute_frame = dc.seek_time.ToScale<uint64_t>(dc.in_audio_format.sample_rate);
 	}
 
 	dc.command = DecoderCommand::NONE;
@@ -427,6 +429,7 @@ DecoderBridge::SubmitTimestamp(double t)
 	assert(t >= 0);
 
 	timestamp = t;
+	absolute_frame = uint64_t(t * dc.in_audio_format.sample_rate);
 }
 
 DecoderCommand
@@ -464,6 +467,29 @@ DecoderBridge::SubmitData(InputStream *is,
 			return cmd;
 	}
 
+	cmd = DecoderCommand::NONE;
+
+	const size_t frame_size = dc.in_audio_format.GetFrameSize();
+	size_t data_frames = length / frame_size;
+
+	if (dc.end_time.IsPositive()) {
+		/* enforce the given end time */
+
+		const uint64_t end_frame =
+			dc.end_time.ToScale<uint64_t>(dc.in_audio_format.sample_rate);
+		if (absolute_frame >= end_frame)
+			return DecoderCommand::STOP;
+
+		const uint64_t remaining_frames = end_frame - absolute_frame;
+		if (data_frames >= remaining_frames) {
+			/* past the end of the range: truncate this
+			   data submission and stop the decoder */
+			data_frames = remaining_frames;
+			length = data_frames * frame_size;
+			cmd = DecoderCommand::STOP;
+		}
+	}
+
 	if (convert != nullptr) {
 		assert(dc.in_audio_format != dc.out_audio_format);
 
@@ -521,15 +547,11 @@ DecoderBridge::SubmitData(InputStream *is,
 
 		timestamp += (double)nbytes /
 			dc.out_audio_format.GetTimeToSize();
-
-		if (dc.end_time.IsPositive() &&
-		    timestamp >= dc.end_time.ToDoubleS())
-			/* the end of this range has been reached:
-			   stop decoding */
-			return DecoderCommand::STOP;
 	}
 
-	return DecoderCommand::NONE;
+	absolute_frame += data_frames;
+
+	return cmd;
 }
 
 DecoderCommand

src/decoder/Bridge.hxx

@@ -49,6 +49,11 @@ public:
 	 */
 	double timestamp = 0;
 
+	/**
+	 * The time stamp of the next data chunk, in PCM frames.
+	 */
+	uint64_t absolute_frame = 0;
+
 	/**
 	 * Is the initial seek (to the start position of the sub-song)
 	 * pending, or has it been performed already?

src/decoder/DecoderControl.cxx

@@ -30,7 +30,8 @@
 DecoderControl::DecoderControl(Mutex &_mutex, Cond &_client_cond,
 			       const AudioFormat _configured_audio_format,
 			       const ReplayGainConfig &_replay_gain_config)
-	:mutex(_mutex), client_cond(_client_cond),
+	:thread(BIND_THIS_METHOD(RunThread)),
+	 mutex(_mutex), client_cond(_client_cond),
 	 configured_audio_format(_configured_audio_format),
 	 replay_gain_config(_replay_gain_config) {}
 

src/decoder/DecoderControl.hxx

@@ -308,9 +308,14 @@ struct DecoderControl {
 	bool IsCurrentSong(const DetachedSong &_song) const noexcept;
 
 	gcc_pure
-	bool LockIsCurrentSong(const DetachedSong &_song) const noexcept {
+	bool IsSeekableCurrentSong(const DetachedSong &_song) const noexcept {
+		return seekable && IsCurrentSong(_song);
+	}
+
+	gcc_pure
+	bool LockIsSeeakbleCurrentSong(const DetachedSong &_song) const noexcept {
 		const std::lock_guard<Mutex> protect(mutex);
-		return IsCurrentSong(_song);
+		return IsSeekableCurrentSong(_song);
 	}
 
 private:
@@ -415,6 +420,9 @@ public:
 	 * mixramp_start/mixramp_end.
 	 */
 	void CycleMixRamp();
+
+private:
+	void RunThread();
 };
 
 #endif

src/decoder/DecoderThread.cxx

@@ -513,30 +513,28 @@ try {
 	dc.client_cond.signal();
 }
 
-static void
+void
-decoder_task(void *arg)
+DecoderControl::RunThread()
 {
-	DecoderControl &dc = *(DecoderControl *)arg;
-
 	SetThreadName("decoder");
 
-	const std::lock_guard<Mutex> protect(dc.mutex);
+	const std::lock_guard<Mutex> protect(mutex);
 
 	do {
-		assert(dc.state == DecoderState::STOP ||
+		assert(state == DecoderState::STOP ||
-		       dc.state == DecoderState::ERROR);
+		       state == DecoderState::ERROR);
 
-		switch (dc.command) {
+		switch (command) {
 		case DecoderCommand::START:
-			dc.CycleMixRamp();
+			CycleMixRamp();
-			dc.replay_gain_prev_db = dc.replay_gain_db;
+			replay_gain_prev_db = replay_gain_db;
-			dc.replay_gain_db = 0;
+			replay_gain_db = 0;
 
-			decoder_run(dc);
+			decoder_run(*this);
 
-			if (dc.state == DecoderState::ERROR) {
+			if (state == DecoderState::ERROR) {
 				try {
-					std::rethrow_exception(dc.error);
+					std::rethrow_exception(error);
 				} catch (const std::exception &e) {
 					LogError(e);
 				} catch (...) {
@@ -552,20 +550,20 @@ decoder_task(void *arg)
 			/* we need to clear the pipe here; usually the
 			   PlayerThread is responsible, but it is not
 			   aware that the decoder has finished */
-			dc.pipe->Clear(*dc.buffer);
+			pipe->Clear(*buffer);
 
-			decoder_run(dc);
+			decoder_run(*this);
 			break;
 
 		case DecoderCommand::STOP:
-			dc.CommandFinishedLocked();
+			CommandFinishedLocked();
 			break;
 
 		case DecoderCommand::NONE:
-			dc.Wait();
+			Wait();
 			break;
 		}
-	} while (dc.command != DecoderCommand::NONE || !dc.quit);
+	} while (command != DecoderCommand::NONE || !quit);
 }
 
 void
@@ -574,5 +572,5 @@ decoder_thread_start(DecoderControl &dc)
 	assert(!dc.thread.IsDefined());
 
 	dc.quit = false;
-	dc.thread.Start(decoder_task, &dc);
+	dc.thread.Start();
 }

src/decoder/plugins/DsdLib.cxx

@@ -128,7 +128,7 @@ dsdlib_tag_id3(InputStream &is,
 		return;
 
 	const auto count64 = size - tagoffset;
-	if (count64 < 10 || count64 > 1024 * 1024)
+	if (count64 < 10 || count64 > 4 * 1024 * 1024)
 		return;
 
 	if (!dsdlib_skip_to(nullptr, is, tagoffset))

src/decoder/plugins/DsdiffDecoderPlugin.cxx

@@ -484,6 +484,8 @@ static const char *const dsdiff_suffixes[] = {
 
 static const char *const dsdiff_mime_types[] = {
 	"application/x-dff",
+	"audio/x-dff",
+	"audio/x-dsd",
 	nullptr
 };
 

src/decoder/plugins/DsfDecoderPlugin.cxx

@@ -358,6 +358,8 @@ static const char *const dsf_suffixes[] = {
 
 static const char *const dsf_mime_types[] = {
 	"application/x-dsf",
+	"audio/x-dsf",
+	"audio/x-dsd",
 	nullptr
 };
 

src/decoder/plugins/FlacCommon.cxx

@@ -24,7 +24,6 @@
 #include "config.h"
 #include "FlacCommon.hxx"
 #include "FlacMetadata.hxx"
-#include "util/ConstBuffer.hxx"
 #include "Log.hxx"
 
 #include <stdexcept>
@@ -143,25 +142,10 @@ FlacDecoder::OnWrite(const FLAC__Frame &frame,
 	if (!initialized && !OnFirstFrame(frame.header))
 		return FLAC__STREAM_DECODER_WRITE_STATUS_ABORT;
 
-	const auto data = pcm_import.Import(buf, frame.header.blocksize);
+	chunk = pcm_import.Import(buf, frame.header.blocksize);
 
-	unsigned bit_rate = nbytes * 8 * frame.header.sample_rate /
+	kbit_rate = nbytes * 8 * frame.header.sample_rate /
 		(1000 * frame.header.blocksize);
 
-	auto cmd = GetClient()->SubmitData(GetInputStream(),
-					   data.data, data.size,
-					   bit_rate);
-	switch (cmd) {
-	case DecoderCommand::NONE:
-	case DecoderCommand::START:
-		break;
-
-	case DecoderCommand::STOP:
-		return FLAC__STREAM_DECODER_WRITE_STATUS_ABORT;
-
-	case DecoderCommand::SEEK:
-		return FLAC__STREAM_DECODER_WRITE_STATUS_CONTINUE;
-	}
-
 	return FLAC__STREAM_DECODER_WRITE_STATUS_CONTINUE;
 }

src/decoder/plugins/FlacCommon.hxx

@@ -27,6 +27,7 @@
 #include "FlacInput.hxx"
 #include "FlacPcm.hxx"
 #include "../DecoderAPI.hxx"
+#include "util/ConstBuffer.hxx"
 
 #include <FLAC/stream_decoder.h>
 
@@ -41,6 +42,12 @@ struct FlacDecoder : public FlacInput {
 	 */
 	bool unsupported = false;
 
+	/**
+	 * The kbit_rate parameter for the next
+	 * DecoderBridge::SubmitData() call.
+	 */
+	uint16_t kbit_rate;
+
 	FlacPcmImport pcm_import;
 
 	/**
@@ -51,6 +58,13 @@ struct FlacDecoder : public FlacInput {
 
 	Tag tag;
 
+	/**
+	 * Decoded PCM data obtained by our libFLAC write callback.
+	 * If this is non-empty, then DecoderBridge::SubmitData()
+	 * should be called.
+	 */
+	ConstBuffer<void> chunk = nullptr;
+
 	FlacDecoder(DecoderClient &_client, InputStream &_input_stream)
 		:FlacInput(_input_stream, &_client) {}
 

src/decoder/plugins/FlacDecoderPlugin.cxx

@@ -139,19 +139,40 @@ flac_decoder_initialize(FlacDecoder *data, FLAC__StreamDecoder *sd)
 	return data->initialized;
 }
 
+static DecoderCommand
+FlacSubmitToClient(DecoderClient &client, FlacDecoder &d) noexcept
+{
+	if (d.tag.IsEmpty() && d.chunk.IsEmpty())
+		return client.GetCommand();
+
+	if (!d.tag.IsEmpty()) {
+		auto cmd = client.SubmitTag(d.GetInputStream(),
+					    std::move(d.tag));
+		d.tag.Clear();
+		if (cmd != DecoderCommand::NONE)
+			return cmd;
+	}
+
+	if (!d.chunk.IsEmpty()) {
+		auto cmd = client.SubmitData(d.GetInputStream(),
+					     d.chunk.data,
+					     d.chunk.size,
+					     d.kbit_rate);
+		d.chunk = nullptr;
+		if (cmd != DecoderCommand::NONE)
+			return cmd;
+	}
+
+	return DecoderCommand::NONE;
+}
+
 static void
 flac_decoder_loop(FlacDecoder *data, FLAC__StreamDecoder *flac_dec)
 {
 	DecoderClient &client = *data->GetClient();
 
 	while (true) {
-		DecoderCommand cmd;
+		DecoderCommand cmd = FlacSubmitToClient(client, *data);
-		if (!data->tag.IsEmpty()) {
-			cmd = client.SubmitTag(data->GetInputStream(),
-					       std::move(data->tag));
-			data->tag.Clear();
-		} else
-			cmd = client.GetCommand();
 
 		if (cmd == DecoderCommand::SEEK) {
 			FLAC__uint64 seek_sample = client.GetSeekFrame();
@@ -160,6 +181,11 @@ flac_decoder_loop(FlacDecoder *data, FLAC__StreamDecoder *flac_dec)
 				client.CommandFinished();
 			} else
 				client.SeekError();
+
+			/* FLAC__stream_decoder_seek_absolute()
+			   decodes one frame and may have provided
+			   data to be submitted to the client */
+			continue;
 		} else if (cmd == DecoderCommand::STOP)
 			break;
 

src/decoder/plugins/FluidsynthDecoderPlugin.cxx

@@ -64,7 +64,12 @@ fluidsynth_level_to_mpd(enum fluid_log_level level)
  * logging library.
  */
 static void
-fluidsynth_mpd_log_function(int level, char *message, gcc_unused void *data)
+fluidsynth_mpd_log_function(int level,
+#if FLUIDSYNTH_VERSION_MAJOR >= 2
+			    const
+#endif
+			    char *message,
+			    void *)
 {
 	Log(fluidsynth_domain,
 	    fluidsynth_level_to_mpd(fluid_log_level(level)),

src/decoder/plugins/GmeDecoderPlugin.cxx

@@ -28,7 +28,7 @@
 #include "fs/Path.hxx"
 #include "fs/AllocatedPath.hxx"
 #include "util/ScopeExit.hxx"
-#include "util/FormatString.hxx"
+#include "util/StringFormat.hxx"
 #include "util/UriUtil.hxx"
 #include "util/Domain.hxx"
 #include "Log.hxx"
@@ -38,7 +38,6 @@
 #include <assert.h>
 #include <stdlib.h>
 #include <string.h>
-#include <stdio.h>
 
 #define SUBTUNE_PREFIX "tune_"
 
@@ -191,20 +190,17 @@ ScanGmeInfo(const gme_info_t &info, unsigned song_num, int track_count,
 		tag_handler_invoke_duration(handler, handler_ctx,
 					    SongTime::FromMS(info.play_length));
 
-	if (track_count > 1) {
+	if (track_count > 1)
-		char track[16];
+		tag_handler_invoke_tag(handler, handler_ctx, TAG_TRACK,
-		sprintf(track, "%u", song_num + 1);
+				       StringFormat<16>("%u", song_num + 1));
-		tag_handler_invoke_tag(handler, handler_ctx, TAG_TRACK, track);
-	}
 
 	if (info.song != nullptr) {
 		if (track_count > 1) {
 			/* start numbering subtunes from 1 */
-			char tag_title[1024];
+			const auto tag_title =
-			snprintf(tag_title, sizeof(tag_title),
+				StringFormat<1024>("%s (%u/%d)",
-				 "%s (%u/%d)",
+						   info.song, song_num + 1,
-				 info.song, song_num + 1,
+						   track_count);
-				 track_count);
 			tag_handler_invoke_tag(handler, handler_ctx,
 					       TAG_TITLE, tag_title);
 		} else
@@ -297,9 +293,9 @@ gme_container_scan(Path path_fs)
 		ScanMusicEmu(emu, i,
 			     add_tag_handler, &tag_builder);
 
-		char track_name[64];
+		const auto track_name =
-		snprintf(track_name, sizeof(track_name),
+			StringFormat<64>(SUBTUNE_PREFIX "%03u.%s", i+1,
-			 SUBTUNE_PREFIX "%03u.%s", i+1, subtune_suffix);
+					 subtune_suffix);
 		tail = list.emplace_after(tail, track_name,
 					  tag_builder.Commit());
 	}

src/decoder/plugins/OpusTags.cxx

@@ -53,6 +53,14 @@ ScanOneOpusTag(const char *name, const char *value,
 		long l = strtol(value, &endptr, 10);
 		if (endptr > value && *endptr == 0)
 			rgi->track.gain = double(l) / 256.;
+	} else if (rgi != nullptr && strcmp(name, "R128_ALBUM_GAIN") == 0) {
+		/* R128_ALBUM_GAIN is a Q7.8 fixed point number in
+		   dB */
+
+		char *endptr;
+		long l = strtol(value, &endptr, 10);
+		if (endptr > value && *endptr == 0)
+			rgi->album.gain = double(l) / 256.;
 	}
 
 	tag_handler_invoke_pair(handler, ctx, name, value);

src/decoder/plugins/SidplayDecoderPlugin.cxx

@@ -26,7 +26,7 @@
 #include "fs/Path.hxx"
 #include "fs/AllocatedPath.hxx"
 #include "util/Macros.hxx"
-#include "util/FormatString.hxx"
+#include "util/StringFormat.hxx"
 #include "util/Domain.hxx"
 #include "system/ByteOrder.hxx"
 #include "Log.hxx"
@@ -413,10 +413,9 @@ ScanSidTuneInfo(const SidTuneInfo &info, unsigned track, unsigned n_tracks,
 		title = "";
 
 	if (n_tracks > 1) {
-		char tag_title[1024];
+		const auto tag_title =
-		snprintf(tag_title, sizeof(tag_title),
+			StringFormat<1024>("%s (%u/%u)",
-			 "%s (%u/%u)",
+					   title, track, n_tracks);
-			 title, track, n_tracks);
 		tag_handler_invoke_tag(handler, handler_ctx,
 				       TAG_TITLE, tag_title);
 	} else
@@ -435,9 +434,8 @@ ScanSidTuneInfo(const SidTuneInfo &info, unsigned track, unsigned n_tracks,
 				       date);
 
 	/* track */
-	char track_buffer[16];
+	tag_handler_invoke_tag(handler, handler_ctx, TAG_TRACK,
-	sprintf(track_buffer, "%d", track);
+			       StringFormat<16>("%u", track));
-	tag_handler_invoke_tag(handler, handler_ctx, TAG_TRACK, track_buffer);
 }
 
 static bool

src/encoder/plugins/OpusEncoderPlugin.cxx

@@ -52,7 +52,7 @@ class OpusEncoder final : public OggEncoder {
 
 	ogg_int64_t packetno = 0;
 
-	ogg_int64_t granulepos;
+	ogg_int64_t granulepos = 0;
 
 public:
 	OpusEncoder(AudioFormat &_audio_format, ::OpusEncoder *_enc);

src/event/Loop.cxx

@@ -27,7 +27,7 @@
 #include <algorithm>
 
 EventLoop::EventLoop()
-	:SocketMonitor(*this)
+	:SocketMonitor(*this), quit(false)
 {
 	SocketMonitor::Open(wake_fd.Get());
 	SocketMonitor::Schedule(SocketMonitor::READ);
@@ -46,7 +46,9 @@ EventLoop::~EventLoop()
 void
 EventLoop::Break()
 {
-	quit = true;
+	if (quit.exchange(true))
+		return;
+
 	wake_fd.Write();
 }
 

src/event/Loop.hxx

@@ -30,6 +30,7 @@
 #include "SocketMonitor.hxx"
 
 #include <chrono>
+#include <atomic>
 #include <list>
 #include <set>
 
@@ -82,7 +83,7 @@ class EventLoop final : SocketMonitor
 
 	std::chrono::steady_clock::time_point now = std::chrono::steady_clock::now();
 
-	bool quit = false;
+	std::atomic_bool quit;
 
 	/**
 	 * True when the object has been modified and another check is

src/filter/Observer.cxx

@@ -73,6 +73,10 @@ public:
 		return filter;
 	}
 
+	void Reset() override {
+		filter->Reset();
+	}
+
 	ConstBuffer<void> FilterPCM(ConstBuffer<void> src) override {
 		return filter->FilterPCM(src);
 	}

src/filter/plugins/ConvertFilterPlugin.cxx

@@ -53,10 +53,16 @@ public:
 	void Set(const AudioFormat &_out_audio_format);
 
 	void Reset() override {
-		state.Reset();
+		if (IsActive())
+			state.Reset();
 	}
 
 	ConstBuffer<void> FilterPCM(ConstBuffer<void> src) override;
+
+private:
+	bool IsActive() const noexcept {
+		return out_audio_format != in_audio_format;
+	}
 };
 
 class PreparedConvertFilter final : public PreparedFilter {
@@ -80,7 +86,7 @@ ConvertFilter::Set(const AudioFormat &_out_audio_format)
 		/* no change */
 		return;
 
-	if (out_audio_format != in_audio_format) {
+	if (IsActive()) {
 		out_audio_format = in_audio_format;
 		state.Close();
 	}
@@ -111,7 +117,7 @@ ConvertFilter::~ConvertFilter()
 {
 	assert(in_audio_format.IsValid());
 
-	if (out_audio_format != in_audio_format)
+	if (IsActive())
 		state.Close();
 }
 
@@ -120,11 +126,10 @@ ConvertFilter::FilterPCM(ConstBuffer<void> src)
 {
 	assert(in_audio_format.IsValid());
 
-	if (out_audio_format == in_audio_format)
+	return IsActive()
+		? state.Convert(src)
 		/* optimized special case: no-op */
-		return src;
+		: src;
-
-	return state.Convert(src);
 }
 
 const FilterPlugin convert_filter_plugin = {

src/fs/io/FileOutputStream.cxx

@@ -20,6 +20,7 @@
 #include "config.h"
 #include "FileOutputStream.hxx"
 #include "system/Error.hxx"
+#include "util/StringFormat.hxx"
 
 FileOutputStream::FileOutputStream(Path _path, Mode _mode)
 	:path(_path), mode(_mode)
@@ -212,10 +213,9 @@ FileOutputStream::Commit()
 		unlink(GetPath().c_str());
 
 		/* hard-link the temporary file to the final path */
-		char fd_path[64];
+		if (linkat(AT_FDCWD,
-		snprintf(fd_path, sizeof(fd_path), "/proc/self/fd/%d",
+			   StringFormat<64>("/proc/self/fd/%d", fd.Get()),
-			 fd.Get());
+			   AT_FDCWD, path.c_str(),
-		if (linkat(AT_FDCWD, fd_path, AT_FDCWD, path.c_str(),
 			   AT_SYMLINK_FOLLOW) < 0)
 			throw FormatErrno("Failed to commit %s",
 					  path.c_str());

src/input/AsyncInputStream.cxx

@@ -19,7 +19,6 @@
 
 #include "config.h"
 #include "AsyncInputStream.hxx"
-#include "Domain.hxx"
 #include "tag/Tag.hxx"
 #include "thread/Cond.hxx"
 #include "IOThread.hxx"

src/input/Error.cxx

@@ -0,0 +1,53 @@
+/*
+ * Copyright 2003-2018 The Music Player Daemon Project
+ * http://www.musicpd.org
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ */
+
+#include "config.h"
+#include "Error.hxx"
+#include "system/Error.hxx"
+
+#ifdef ENABLE_CURL
+#include "lib/curl/Error.hxx"
+#endif
+
+#ifdef ENABLE_NFS
+#include "lib/nfs/Error.hxx"
+#include <nfsc/libnfs-raw-nfs.h>
+#endif
+
+bool
+IsFileNotFound(std::exception_ptr ep)
+{
+	try {
+		std::rethrow_exception(ep);
+	} catch (const std::system_error &e) {
+		return IsFileNotFound(e);
+#ifdef ENABLE_CURL
+	} catch (const HttpStatusError &e) {
+		return e.GetStatus() == 404;
+#endif
+#ifdef ENABLE_NFS
+	} catch (const NfsClientError &e) {
+		return e.GetCode() == NFS3ERR_NOENT;
+#endif
+	} catch (...) {
+	}
+
+	return false;
+}
+

src/input/Error.hxx

@@ -0,0 +1,45 @@
+/*
+ * Copyright 2003-2018 The Music Player Daemon Project
+ * http://www.musicpd.org
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ */
+
+#ifndef INPUT_ERROR_HXX
+#define INPUT_ERROR_HXX
+
+#include "check.h"
+#include "Compiler.h"
+
+#include <exception>
+
+/**
+ * Was this exception thrown because the requested file does not
+ * exist?  This function attempts to recognize exceptions thrown by
+ * various input plugins.
+ */
+#ifndef __clang__
+/* the "pure" attribute must be disabled because it triggers a clang
+   bug, wrongfully leading to std::terminate() even though the
+   function catches all exceptions thrown by std::rethrow_exception();
+   this can be reproduced with clang 7 from Android NDK r18b and on
+   clang 6 on FreeBSD
+   (https://github.com/MusicPlayerDaemon/MPD/issues/373) */
+gcc_pure
+#endif
+bool
+IsFileNotFound(std::exception_ptr e);
+
+#endif

src/input/InputStream.cxx

@@ -20,7 +20,7 @@
 #include "config.h"
 #include "InputStream.hxx"
 #include "thread/Cond.hxx"
-#include "util/StringCompare.hxx"
+#include "util/ASCII.hxx"
 
 #include <stdexcept>
 
@@ -77,8 +77,8 @@ gcc_pure
 static bool
 ExpensiveSeeking(const char *uri) noexcept
 {
-	return StringStartsWith(uri, "http://") ||
+	return StringStartsWithCaseASCII(uri, "http://") ||
-		StringStartsWith(uri, "https://");
+		StringStartsWithCaseASCII(uri, "https://");
 }
 
 bool

src/input/Offset.hxx

@@ -29,4 +29,10 @@
  */
 typedef uint64_t offset_type;
 
+/**
+ * To format an offset_type with printf().  To use this, include
+ * <cinttypes>.
+ */
+#define PRIoffset PRIu64
+
 #endif

src/input/Open.cxx

@@ -22,7 +22,6 @@
 #include "Registry.hxx"
 #include "InputPlugin.hxx"
 #include "LocalOpen.hxx"
-#include "Domain.hxx"
 #include "plugins/RewindInputPlugin.hxx"
 #include "fs/Traits.hxx"
 #include "fs/AllocatedPath.hxx"

src/input/ThreadInputStream.cxx

@@ -26,8 +26,12 @@
 #include <assert.h>
 #include <string.h>
 
-ThreadInputStream::~ThreadInputStream()
+void
+ThreadInputStream::Stop() noexcept
 {
+	if (!thread.IsDefined())
+		return;
+
 	{
 		const std::lock_guard<Mutex> lock(mutex);
 		close = true;
@@ -42,6 +46,7 @@ ThreadInputStream::~ThreadInputStream()
 		buffer->Clear();
 		HugeFree(buffer->Write().data, buffer_size);
 		delete buffer;
+		buffer = nullptr;
 	}
 }
 
@@ -54,10 +59,10 @@ ThreadInputStream::Start()
 	assert(p != nullptr);
 
 	buffer = new CircularBuffer<uint8_t>((uint8_t *)p, buffer_size);
-	thread.Start(ThreadFunc, this);
+	thread.Start();
 }
 
-inline void
+void
 ThreadInputStream::ThreadFunc()
 {
 	FormatThreadName("input:%s", plugin);
@@ -68,7 +73,7 @@ ThreadInputStream::ThreadFunc()
 		Open();
 	} catch (...) {
 		postponed_exception = std::current_exception();
-		cond.broadcast();
+		SetReady();
 		return;
 	}
 
@@ -107,13 +112,6 @@ ThreadInputStream::ThreadFunc()
 	Close();
 }
 
-void
-ThreadInputStream::ThreadFunc(void *ctx)
-{
-	ThreadInputStream &tis = *(ThreadInputStream *)ctx;
-	tis.ThreadFunc();
-}
-
 void
 ThreadInputStream::Check()
 {

src/input/ThreadInputStream.hxx

@@ -27,6 +27,7 @@
 
 #include <exception>
 
+#include <assert.h>
 #include <stdint.h>
 
 template<typename T> class CircularBuffer;
@@ -39,6 +40,11 @@ template<typename T> class CircularBuffer;
  * manages the thread and the buffer.
  *
  * This works only for "streams": unknown length, no seeking, no tags.
+ *
+ * The implementation must call Stop() before its destruction
+ * completes.  This cannot be done in ~ThreadInputStream() because at
+ * this point, the class has been morphed back to #ThreadInputStream
+ * and the still-running thread will crash due to pure method call.
  */
 class ThreadInputStream : public InputStream {
 	const char *const plugin;
@@ -73,9 +79,16 @@ public:
 			  size_t _buffer_size)
 		:InputStream(_uri, _mutex, _cond),
 		 plugin(_plugin),
+		 thread(BIND_THIS_METHOD(ThreadFunc)),
 		 buffer_size(_buffer_size) {}
 
-	virtual ~ThreadInputStream();
+#ifndef NDEBUG
+	~ThreadInputStream() override {
+		/* Stop() must have been called already */
+		assert(!thread.IsDefined());
+		assert(buffer == nullptr);
+	}
+#endif
 
 	/**
 	 * Initialize the object and start the thread.
@@ -89,6 +102,12 @@ public:
 	size_t Read(void *ptr, size_t size) override final;
 
 protected:
+	/**
+	 * Stop the thread and free the buffer.  This must be called
+	 * before destruction of this object completes.
+	 */
+	void Stop() noexcept;
+
 	void SetMimeType(const char *_mime) {
 		assert(thread.IsInside());
 
@@ -138,7 +157,6 @@ protected:
 
 private:
 	void ThreadFunc();
-	static void ThreadFunc(void *ctx);
 };
 
 #endif

src/input/plugins/AlsaInputPlugin.cxx

@@ -33,7 +33,7 @@
 #include "util/RuntimeError.hxx"
 #include "util/StringCompare.hxx"
 #include "util/ReusableArray.hxx"
-
+#include "util/ASCII.hxx"
 #include "Log.hxx"
 #include "event/MultiSocketMonitor.hxx"
 #include "event/DeferredMonitor.hxx"
@@ -147,7 +147,7 @@ private:
 inline InputStream *
 AlsaInputStream::Create(const char *uri, Mutex &mutex, Cond &cond)
 {
-	const char *device = StringAfterPrefix(uri, "alsa://");
+	const char *device = StringAfterPrefixCaseASCII(uri, "alsa://");
 	if (device == nullptr)
 		return nullptr;
 
@@ -270,6 +270,12 @@ AlsaInputStream::Recover(int err)
 		/* this is no error, so just keep running */
 		err = 0;
 		break;
+
+	default:
+		/* this default case is just here to work around
+		   -Wswitch due to SND_PCM_STATE_PRIVATE1 (libasound
+		   1.1.6) */
+		break;
 	}
 
 

src/input/plugins/CdioParanoiaInputPlugin.cxx

@@ -26,7 +26,7 @@
 #include "../InputStream.hxx"
 #include "../InputPlugin.hxx"
 #include "util/StringUtil.hxx"
-#include "util/StringCompare.hxx"
+#include "util/ASCII.hxx"
 #include "util/RuntimeError.hxx"
 #include "util/Domain.hxx"
 #include "system/ByteOrder.hxx"
@@ -128,7 +128,7 @@ struct cdio_uri {
 static bool
 parse_cdio_uri(struct cdio_uri *dest, const char *src)
 {
-	if (!StringStartsWith(src, "cdda://"))
+	if (!StringStartsWithCaseASCII(src, "cdda://"))
 		return false;
 
 	src += 7;

src/input/plugins/CurlInputPlugin.cxx

@@ -19,6 +19,7 @@
 
 #include "config.h"
 #include "CurlInputPlugin.hxx"
+#include "lib/curl/Error.hxx"
 #include "lib/curl/Easy.hxx"
 #include "lib/curl/Global.hxx"
 #include "lib/curl/Request.hxx"
@@ -34,12 +35,15 @@
 #include "IOThread.hxx"
 #include "util/ASCII.hxx"
 #include "util/StringUtil.hxx"
+#include "util/StringFormat.hxx"
 #include "util/NumberParser.hxx"
 #include "util/RuntimeError.hxx"
 #include "util/Domain.hxx"
 #include "Log.hxx"
 #include "PluginUnavailable.hxx"
 
+#include <cinttypes>
+
 #include <assert.h>
 #include <string.h>
 
@@ -185,7 +189,9 @@ CurlInputStream::OnHeaders(unsigned status,
 	assert(!postponed_exception);
 
 	if (status < 200 || status >= 300)
-		throw FormatRuntimeError("got HTTP status %ld", status);
+		throw HttpStatusError(status,
+				      StringFormat<40>("got HTTP status %u",
+						       status).c_str());
 
 	const std::lock_guard<Mutex> protect(mutex);
 
@@ -266,6 +272,7 @@ CurlInputStream::OnData(ConstBuffer<void> data)
 void
 CurlInputStream::OnEnd()
 {
+	const std::lock_guard<Mutex> protect(mutex);
 	cond.broadcast();
 
 	AsyncInputStream::SetClosed();
@@ -274,6 +281,7 @@ CurlInputStream::OnEnd()
 void
 CurlInputStream::OnError(std::exception_ptr e)
 {
+	const std::lock_guard<Mutex> protect(mutex);
 	postponed_exception = std::move(e);
 
 	if (IsSeekPending())
@@ -369,13 +377,10 @@ CurlInputStream::InitEasy()
 	if (proxy_port > 0)
 		request->SetOption(CURLOPT_PROXYPORT, (long)proxy_port);
 
-	if (proxy_user != nullptr && proxy_password != nullptr) {
+	if (proxy_user != nullptr && proxy_password != nullptr)
-		char proxy_auth_str[1024];
+		request->SetOption(CURLOPT_PROXYUSERPWD,
-		snprintf(proxy_auth_str, sizeof(proxy_auth_str),
+				   StringFormat<1024>("%s:%s", proxy_user,
-			 "%s:%s",
+						      proxy_password).c_str());
-			 proxy_user, proxy_password);
-		request->SetOption(CURLOPT_PROXYUSERPWD, proxy_auth_str);
-	}
 
 	request->SetOption(CURLOPT_SSL_VERIFYPEER, verify_peer ? 1l : 0l);
 	request->SetOption(CURLOPT_SSL_VERIFYHOST, verify_host ? 2l : 0l);
@@ -412,16 +417,10 @@ CurlInputStream::SeekInternal(offset_type new_offset)
 
 	/* send the "Range" header */
 
-	if (offset > 0) {
+	if (offset > 0)
-		char range[32];
+		request->SetOption(CURLOPT_RANGE,
-#ifdef _WIN32
+				   StringFormat<40>("%" PRIoffset "-",
-		// TODO: what can we use on Windows to format 64 bit?
+						    offset).c_str());
-		sprintf(range, "%lu-", (long)offset);
-#else
-		sprintf(range, "%llu-", (unsigned long long)offset);
-#endif
-		request->SetOption(CURLOPT_RANGE, range);
-	}
 
 	StartRequest();
 }
@@ -459,8 +458,8 @@ CurlInputStream::Open(const char *url, Mutex &mutex, Cond &cond)
 static InputStream *
 input_curl_open(const char *url, Mutex &mutex, Cond &cond)
 {
-	if (strncmp(url, "http://", 7) != 0 &&
+	if (!StringStartsWithCaseASCII(url, "http://") &&
-	    strncmp(url, "https://", 8) != 0)
+	    !StringStartsWithCaseASCII(url, "https://"))
 		return nullptr;
 
 	return CurlInputStream::Open(url, mutex, cond);

src/input/plugins/FfmpegInputPlugin.cxx

@@ -28,7 +28,7 @@
 #include "../InputStream.hxx"
 #include "../InputPlugin.hxx"
 #include "PluginUnavailable.hxx"
-#include "util/StringCompare.hxx"
+#include "util/ASCII.hxx"
 
 extern "C" {
 #include <libavformat/avio.h>
@@ -85,12 +85,12 @@ static InputStream *
 input_ffmpeg_open(const char *uri,
 		  Mutex &mutex, Cond &cond)
 {
-	if (!StringStartsWith(uri, "gopher://") &&
+	if (!StringStartsWithCaseASCII(uri, "gopher://") &&
-	    !StringStartsWith(uri, "rtp://") &&
+	    !StringStartsWithCaseASCII(uri, "rtp://") &&
-	    !StringStartsWith(uri, "rtsp://") &&
+	    !StringStartsWithCaseASCII(uri, "rtsp://") &&
-	    !StringStartsWith(uri, "rtmp://") &&
+	    !StringStartsWithCaseASCII(uri, "rtmp://") &&
-	    !StringStartsWith(uri, "rtmpt://") &&
+	    !StringStartsWithCaseASCII(uri, "rtmpt://") &&
-	    !StringStartsWith(uri, "rtmps://"))
+	    !StringStartsWithCaseASCII(uri, "rtmps://"))
 		return nullptr;
 
 	AVIOContext *h;

src/input/plugins/MmsInputPlugin.cxx

@@ -22,7 +22,7 @@
 #include "input/ThreadInputStream.hxx"
 #include "input/InputPlugin.hxx"
 #include "system/Error.hxx"
-#include "util/StringCompare.hxx"
+#include "util/ASCII.hxx"
 
 #include <libmms/mmsx.h>
 
@@ -39,6 +39,10 @@ public:
 				   MMS_BUFFER_SIZE) {
 	}
 
+	~MmsInputStream() noexcept override {
+		Stop();
+	}
+
 protected:
 	virtual void Open() override;
 	virtual size_t ThreadRead(void *ptr, size_t size) override;
@@ -70,10 +74,10 @@ static InputStream *
 input_mms_open(const char *url,
 	       Mutex &mutex, Cond &cond)
 {
-	if (!StringStartsWith(url, "mms://") &&
+	if (!StringStartsWithCaseASCII(url, "mms://") &&
-	    !StringStartsWith(url, "mmsh://") &&
+	    !StringStartsWithCaseASCII(url, "mmsh://") &&
-	    !StringStartsWith(url, "mmst://") &&
+	    !StringStartsWithCaseASCII(url, "mmst://") &&
-	    !StringStartsWith(url, "mmsu://"))
+	    !StringStartsWithCaseASCII(url, "mmsu://"))
 		return nullptr;
 
 	auto m = new MmsInputStream(url, mutex, cond);

src/input/plugins/NfsInputPlugin.cxx

@@ -23,9 +23,7 @@
 #include "../InputPlugin.hxx"
 #include "lib/nfs/Glue.hxx"
 #include "lib/nfs/FileReader.hxx"
-#include "util/StringCompare.hxx"
+#include "util/ASCII.hxx"
-
-#include <string.h>
 
 /**
  * Do not buffer more than this number of bytes.  It should be a
@@ -219,7 +217,7 @@ static InputStream *
 input_nfs_open(const char *uri,
 	       Mutex &mutex, Cond &cond)
 {
-	if (!StringStartsWith(uri, "nfs://"))
+	if (!StringStartsWithCaseASCII(uri, "nfs://"))
 		return nullptr;
 
 	NfsInputStream *is = new NfsInputStream(uri, mutex, cond);

src/input/plugins/SmbclientInputPlugin.cxx

@@ -25,7 +25,7 @@
 #include "../InputPlugin.hxx"
 #include "PluginUnavailable.hxx"
 #include "system/Error.hxx"
-#include "util/StringCompare.hxx"
+#include "util/ASCII.hxx"
 
 #include <libsmbclient.h>
 
@@ -87,7 +87,7 @@ static InputStream *
 input_smbclient_open(const char *uri,
 		     Mutex &mutex, Cond &cond)
 {
-	if (!StringStartsWith(uri, "smb://"))
+	if (!StringStartsWithCaseASCII(uri, "smb://"))
 		return nullptr;
 
 	const std::lock_guard<Mutex> protect(smbclient_mutex);