Merge branch 'v0.21.x' into master

This commit is contained in:
Max Kellermann 2020-09-04 18:35:21 +02:00
commit 67c7116f05
17 changed files with 185 additions and 110 deletions

11
NEWS
View File

@ -41,6 +41,17 @@ ver 0.22 (not yet released)
* switch to C++17
- GCC 7 or clang 4 (or newer) recommended
ver 0.21.26 (not yet released)
* output
- osx: fix crash bug
- sles: support floating point samples
* archive
- bzip2: fix crash on corrupt bzip2 file
- bzip2: flush output at end of input file
- zzip: fix crash on corrupt ZIP file
* decoder
- sndfile: fix lost samples at end of file
ver 0.21.25 (2020/07/06)
* protocol:
- fix crash when using "rangeid" while playing

View File

@ -2,8 +2,8 @@
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
package="org.musicpd"
android:installLocation="auto"
android:versionCode="48"
android:versionName="0.21.25">
android:versionCode="49"
android:versionName="0.21.26">
<uses-sdk android:minSdkVersion="21" android:targetSdkVersion="28"/>

View File

@ -1119,7 +1119,8 @@ sles
Plugin using the `OpenSL ES <https://www.khronos.org/opensles/>`__
audio API. Its primary use is local playback on Android, where
:ref:`ALSA <alsa_plugin>` is not available.
:ref:`ALSA <alsa_plugin>` is not available. It supports 16 bit and
floating point samples.
solaris

View File

@ -10,8 +10,8 @@ from build.ffmpeg import FfmpegProject
from build.boost import BoostProject
libmpdclient = MesonProject(
'https://www.musicpd.org/download/libmpdclient/2/libmpdclient-2.18.tar.xz',
'4cb01e1f567e0169aca94875fb6e1200e7f5ce35b63a4df768ec1591fb1081fa',
'https://www.musicpd.org/download/libmpdclient/2/libmpdclient-2.19.tar.xz',
'158aad4c2278ab08e76a3f2b0166c99b39fae00ee17231bd225c5a36e977a189',
'lib/libmpdclient.a',
)
@ -25,8 +25,8 @@ libogg = AutotoolsProject(
)
libvorbis = AutotoolsProject(
'http://downloads.xiph.org/releases/vorbis/libvorbis-1.3.6.tar.xz',
'af00bb5a784e7c9e69f56823de4637c350643deedaf333d0fa86ecdba6fcb415',
'http://downloads.xiph.org/releases/vorbis/libvorbis-1.3.7.tar.xz',
'b33cc4934322bcbf6efcbacf49e3ca01aadbea4114ec9589d1b1e9d20f72954b',
'lib/libvorbis.a',
[
'--disable-shared', '--enable-static',
@ -148,8 +148,8 @@ gme = CmakeProject(
)
ffmpeg = FfmpegProject(
'http://ffmpeg.org/releases/ffmpeg-4.2.3.tar.xz',
'9df6c90aed1337634c1fb026fb01c154c29c82a64ea71291ff2da9aacb9aad31',
'http://ffmpeg.org/releases/ffmpeg-4.3.1.tar.xz',
'ad009240d46e307b4e03a213a0f49c11b650e445b1f8be0dda2a9212b34d2ffb',
'lib/libavcodec.a',
[
'--disable-shared', '--enable-static',
@ -377,8 +377,8 @@ ffmpeg = FfmpegProject(
)
curl = AutotoolsProject(
'http://curl.haxx.se/download/curl-7.70.0.tar.xz',
'032f43f2674008c761af19bf536374128c16241fb234699a55f9fb603fcfbae7',
'http://curl.haxx.se/download/curl-7.72.0.tar.xz',
'0ded0808c4d85f2ee0db86980ae610cc9d165e9ca9da466196cc73c346513713',
'lib/libcurl.a',
[
'--disable-shared', '--enable-static',
@ -433,7 +433,7 @@ libnfs = AutotoolsProject(
)
boost = BoostProject(
'https://dl.bintray.com/boostorg/release/1.73.0/source/boost_1_73_0.tar.bz2',
'4eb3b8d442b426dc35346235c8733b5ae35ba431690e38c6a8263dce9fcbb402',
'https://dl.bintray.com/boostorg/release/1.74.0/source/boost_1_74_0.tar.bz2',
'83bfc1507731a0906e387fc28b7ef5417d591429e51e788417fe9ff025e116b1',
'include/boost/version.hpp',
)

View File

@ -59,9 +59,9 @@ public:
class Bzip2InputStream final : public InputStream {
std::shared_ptr<InputStream> input;
bool eof = false;
bz_stream bzstream{};
bz_stream bzstream;
bool eof = false;
char buffer[5000];
@ -69,7 +69,7 @@ public:
Bzip2InputStream(std::shared_ptr<InputStream> _input,
const char *uri,
Mutex &mutex);
~Bzip2InputStream() override;
~Bzip2InputStream() noexcept override;
/* virtual methods from InputStream */
[[nodiscard]] bool IsEOF() const noexcept override;
@ -81,25 +81,6 @@ private:
bool FillBuffer();
};
/* single archive handling allocation helpers */
inline void
Bzip2InputStream::Open()
{
bzstream.bzalloc = nullptr;
bzstream.bzfree = nullptr;
bzstream.opaque = nullptr;
bzstream.next_in = (char *)buffer;
bzstream.avail_in = 0;
int ret = BZ2_bzDecompressInit(&bzstream, 0, 0);
if (ret != BZ_OK)
throw std::runtime_error("BZ2_bzDecompressInit() has failed");
SetReady();
}
/* archive open && listing routine */
static std::unique_ptr<ArchiveFile>
@ -118,10 +99,16 @@ Bzip2InputStream::Bzip2InputStream(std::shared_ptr<InputStream> _input,
:InputStream(_uri, _mutex),
input(std::move(_input))
{
Open();
bzstream.next_in = (char *)buffer;
int ret = BZ2_bzDecompressInit(&bzstream, 0, 0);
if (ret != BZ_OK)
throw std::runtime_error("BZ2_bzDecompressInit() has failed");
SetReady();
}
Bzip2InputStream::~Bzip2InputStream()
Bzip2InputStream::~Bzip2InputStream() noexcept
{
BZ2_bzDecompressEnd(&bzstream);
}
@ -151,22 +138,18 @@ Bzip2InputStream::FillBuffer()
size_t
Bzip2InputStream::Read(std::unique_lock<Mutex> &, void *ptr, size_t length)
{
const ScopeUnlock unlock(mutex);
int bz_result;
size_t nbytes = 0;
if (eof)
return 0;
const ScopeUnlock unlock(mutex);
bzstream.next_out = (char *)ptr;
bzstream.avail_out = length;
do {
if (!FillBuffer())
return 0;
const bool had_input = FillBuffer();
bz_result = BZ2_bzDecompress(&bzstream);
const int bz_result = BZ2_bzDecompress(&bzstream);
if (bz_result == BZ_STREAM_END) {
eof = true;
@ -175,9 +158,12 @@ Bzip2InputStream::Read(std::unique_lock<Mutex> &, void *ptr, size_t length)
if (bz_result != BZ_OK)
throw std::runtime_error("BZ2_bzDecompress() has failed");
if (!had_input && bzstream.avail_out == length)
throw std::runtime_error("Unexpected end of bzip2 file");
} while (bzstream.avail_out == length);
nbytes = length - bzstream.avail_out;
const size_t nbytes = length - bzstream.avail_out;
offset += nbytes;
return nbytes;

View File

@ -148,24 +148,22 @@ Iso9660ArchiveFile::Visit(ArchiveVisitor &visitor)
class Iso9660InputStream final : public InputStream {
std::shared_ptr<Iso9660> iso;
iso9660_stat_t *statbuf;
const lsn_t lsn;
public:
Iso9660InputStream(std::shared_ptr<Iso9660> _iso,
const char *_uri,
Mutex &_mutex,
iso9660_stat_t *_statbuf)
lsn_t _lsn, offset_type _size)
:InputStream(_uri, _mutex),
iso(std::move(_iso)), statbuf(_statbuf) {
size = statbuf->size;
iso(std::move(_iso)),
lsn(_lsn)
{
size = _size;
seekable = true;
SetReady();
}
~Iso9660InputStream() override {
free(statbuf);
}
/* virtual methods from InputStream */
[[nodiscard]] bool IsEOF() const noexcept override;
size_t Read(std::unique_lock<Mutex> &lock,
@ -185,8 +183,12 @@ Iso9660ArchiveFile::OpenStream(const char *pathname,
throw FormatRuntimeError("not found in the ISO file: %s",
pathname);
const lsn_t lsn = statbuf->lsn;
const offset_type size = statbuf->size;
free(statbuf);
return std::make_unique<Iso9660InputStream>(iso, pathname, mutex,
statbuf);
lsn, size);
}
size_t
@ -197,7 +199,7 @@ Iso9660InputStream::Read(std::unique_lock<Mutex> &,
int readed = 0;
int no_blocks, cur_block;
size_t left_bytes = statbuf->size - offset;
size_t left_bytes = size - offset;
if (left_bytes < read_size) {
no_blocks = CEILING(left_bytes, ISO_BLOCKSIZE);
@ -210,7 +212,7 @@ Iso9660InputStream::Read(std::unique_lock<Mutex> &,
cur_block = offset / ISO_BLOCKSIZE;
readed = iso->SeekRead(ptr, statbuf->lsn + cur_block, no_blocks);
readed = iso->SeekRead(ptr, lsn + cur_block, no_blocks);
if (readed != no_blocks * ISO_BLOCKSIZE)
throw FormatRuntimeError("error reading ISO file at lsn %lu",

View File

@ -34,6 +34,8 @@
#include <utility>
#include <inttypes.h> /* for PRIoffset (PRIu64) */
struct ZzipDir {
ZZIP_DIR *const dir;
@ -56,8 +58,9 @@ class ZzipArchiveFile final : public ArchiveFile {
std::shared_ptr<ZzipDir> dir;
public:
explicit ZzipArchiveFile(std::shared_ptr<ZzipDir> &&_dir)
:dir(std::move(_dir)) {}
template<typename D>
explicit ZzipArchiveFile(D &&_dir) noexcept
:dir(std::forward<D>(_dir)) {}
void Visit(ArchiveVisitor &visitor) override;
@ -93,11 +96,12 @@ class ZzipInputStream final : public InputStream {
ZZIP_FILE *const file;
public:
ZzipInputStream(std::shared_ptr<ZzipDir> _dir, const char *_uri,
template<typename D>
ZzipInputStream(D &&_dir, const char *_uri,
Mutex &_mutex,
ZZIP_FILE *_file)
:InputStream(_uri, _mutex),
dir(std::move(_dir)), file(_file) {
dir(std::forward<D>(_dir)), file(_file) {
//we are seekable (but its not recommendent to do so)
seekable = true;
@ -108,7 +112,7 @@ public:
SetReady();
}
~ZzipInputStream() override {
~ZzipInputStream() noexcept override {
zzip_file_close(file);
}
@ -148,12 +152,17 @@ ZzipInputStream::Read(std::unique_lock<Mutex> &, void *ptr, size_t read_size)
{
const ScopeUnlock unlock(mutex);
int ret = zzip_file_read(file, ptr, read_size);
if (ret < 0)
zzip_ssize_t nbytes = zzip_file_read(file, ptr, read_size);
if (nbytes < 0)
throw std::runtime_error("zzip_file_read() has failed");
if (nbytes == 0 && !IsEOF())
throw FormatRuntimeError("Unexpected end of file %s"
" at %" PRIoffset " of %" PRIoffset,
GetURI(), GetOffset(), GetSize());
offset = zzip_tell(file);
return ret;
return nbytes;
}
bool

View File

@ -26,7 +26,7 @@
size_t
decoder_read(DecoderClient *client,
InputStream &is,
void *buffer, size_t length)
void *buffer, size_t length) noexcept
{
assert(buffer != nullptr);
@ -42,9 +42,30 @@ decoder_read(DecoderClient *client,
}
}
size_t
decoder_read_much(DecoderClient *client, InputStream &is,
void *_buffer, size_t size) noexcept
{
uint8_t *buffer = (uint8_t *)_buffer;
size_t total = 0;
while (size > 0 && !is.LockIsEOF()) {
size_t nbytes = decoder_read(client, is, buffer, size);
if (nbytes == 0)
return false;
total += nbytes;
buffer += nbytes;
size -= nbytes;
}
return total;
}
bool
decoder_read_full(DecoderClient *client, InputStream &is,
void *_buffer, size_t size)
void *_buffer, size_t size) noexcept
{
auto *buffer = (uint8_t *)_buffer;
@ -61,7 +82,7 @@ decoder_read_full(DecoderClient *client, InputStream &is,
}
bool
decoder_skip(DecoderClient *client, InputStream &is, size_t size)
decoder_skip(DecoderClient *client, InputStream &is, size_t size) noexcept
{
while (size > 0) {
char buffer[1024];

View File

@ -63,15 +63,27 @@ class StopDecoder {};
*/
size_t
decoder_read(DecoderClient *decoder, InputStream &is,
void *buffer, size_t length);
void *buffer, size_t length) noexcept;
static inline size_t
decoder_read(DecoderClient &decoder, InputStream &is,
void *buffer, size_t length)
void *buffer, size_t length) noexcept
{
return decoder_read(&decoder, is, buffer, length);
}
/**
* Blocking read from the input stream. Attempts to fill the buffer
* as much as possible, until either end-of-file is reached or an
* error occurs.
*
* @return the number of bytes read, or 0 if one of the following
* occurs: end of file; error; command (like SEEK or STOP).
*/
size_t
decoder_read_much(DecoderClient *decoder, InputStream &is,
void *buffer, size_t size) noexcept;
/**
* Blocking read from the input stream. Attempts to fill the buffer
* completely; there is no partial result.
@ -81,7 +93,7 @@ decoder_read(DecoderClient &decoder, InputStream &is,
*/
bool
decoder_read_full(DecoderClient *decoder, InputStream &is,
void *buffer, size_t size);
void *buffer, size_t size) noexcept;
/**
* Skip data on the #InputStream.
@ -89,6 +101,6 @@ decoder_read_full(DecoderClient *decoder, InputStream &is,
* @return true on success, false on error or command
*/
bool
decoder_skip(DecoderClient *decoder, InputStream &is, size_t size);
decoder_skip(DecoderClient *decoder, InputStream &is, size_t size) noexcept;
#endif

View File

@ -47,9 +47,7 @@ struct SndfileInputStream {
size_t Read(void *buffer, size_t size) {
/* libsndfile chokes on partial reads; therefore
always force full reads */
return decoder_read_full(client, is, buffer, size)
? size
: 0;
return decoder_read_much(client, is, buffer, size);
}
};

View File

@ -67,7 +67,7 @@ input_stream_global_init(const ConfigData &config, EventLoop &event_loop)
plugin->init(event_loop, *block);
input_plugins_enabled[i] = true;
} catch (const PluginUnconfigured &e) {
LogFormat(LogLevel::INFO, e,
LogFormat(LogLevel::DEBUG, e,
"Input plugin '%s' is not configured",
plugin->name);
continue;

View File

@ -18,7 +18,7 @@ if icu_dep.found()
'Init.cxx',
]
elif not get_option('iconv').disabled()
have_iconv = compiler.has_function('iconv')
have_iconv = compiler.has_function('iconv', prefix : '#include <iconv.h>')
conf.set('HAVE_ICONV', have_iconv)
if not have_iconv and get_option('iconv').enabled()
error('iconv() not available')

View File

@ -109,11 +109,6 @@ NeighborExplorer::List
SmbclientNeighborExplorer::GetList() const noexcept
{
const std::lock_guard<Mutex> protect(mutex);
/*
List list;
for (const auto &i : servers)
list.emplace_front(i.Export());
*/
return list;
}

View File

@ -477,7 +477,7 @@ osx_output_set_buffer_size(AudioUnit au, AudioStreamBasicDescription desc)
}
static void
osx_output_hog_device(AudioDeviceID dev_id, bool hog)
osx_output_hog_device(AudioDeviceID dev_id, bool hog) noexcept
{
static constexpr AudioObjectPropertyAddress aopa = {
kAudioDevicePropertyHogMode,
@ -485,8 +485,16 @@ osx_output_hog_device(AudioDeviceID dev_id, bool hog)
kAudioObjectPropertyElementMaster
};
pid_t hog_pid = AudioObjectGetPropertyDataT<pid_t>(dev_id,
aopa);
pid_t hog_pid;
try {
hog_pid = AudioObjectGetPropertyDataT<pid_t>(dev_id, aopa);
} catch (...) {
Log(LogLevel::DEBUG, std::current_exception(),
"Failed to query HogMode");
return;
}
if (hog) {
if (hog_pid != -1) {
FormatDebug(osx_output_domain,

View File

@ -173,12 +173,12 @@ SlesOutput::Open(AudioFormat &audio_format)
if (audio_format.channels > 2)
audio_format.channels = 1;
SLDataFormat_PCM format_pcm;
SLAndroidDataFormat_PCM_EX format_pcm;
format_pcm.formatType = SL_DATAFORMAT_PCM;
format_pcm.numChannels = audio_format.channels;
/* from the Android NDK docs: "Note that the field samplesPerSec is
actually in units of milliHz, despite the misleading name." */
format_pcm.samplesPerSec = audio_format.sample_rate * 1000u;
format_pcm.sampleRate = audio_format.sample_rate * 1000u;
format_pcm.bitsPerSample = SL_PCMSAMPLEFORMAT_FIXED_16;
format_pcm.containerSize = SL_PCMSAMPLEFORMAT_FIXED_16;
format_pcm.channelMask = audio_format.channels == 1
@ -187,6 +187,36 @@ SlesOutput::Open(AudioFormat &audio_format)
format_pcm.endianness = IsLittleEndian()
? SL_BYTEORDER_LITTLEENDIAN
: SL_BYTEORDER_BIGENDIAN;
format_pcm.representation = SL_ANDROID_PCM_REPRESENTATION_SIGNED_INT;
switch (audio_format.format) {
/* note: Android doesn't support
SL_PCMSAMPLEFORMAT_FIXED_24 and
SL_PCMSAMPLEFORMAT_FIXED_32, so let's not bother
implement it here; SL_PCMSAMPLEFORMAT_FIXED_8
appears to be unsigned, so not usable for us (and
converting S8 to U8 is not worth the trouble) */
case SampleFormat::S16:
/* bitsPerSample and containerSize already set for 16
bit */
break;
case SampleFormat::FLOAT:
/* Android has an OpenSLES extension for floating
point samples:
https://developer.android.com/ndk/guides/audio/opensl/android-extensions */
format_pcm.formatType = SL_ANDROID_DATAFORMAT_PCM_EX;
format_pcm.bitsPerSample = format_pcm.containerSize =
SL_PCMSAMPLEFORMAT_FIXED_32;
format_pcm.representation = SL_ANDROID_PCM_REPRESENTATION_FLOAT;
break;
default:
/* fall back to 16 bit */
audio_format.format = SampleFormat::S16;
break;
}
SLDataSource audioSrc = { &loc_bufq, &format_pcm };
@ -291,9 +321,6 @@ SlesOutput::Open(AudioFormat &audio_format)
n_queued = 0;
next = 0;
filled = 0;
// TODO: support other sample formats
audio_format.format = SampleFormat::S16;
}
void

View File

@ -74,39 +74,39 @@
#endif
constexpr bool
IsLittleEndian()
IsLittleEndian() noexcept
{
return IS_LITTLE_ENDIAN;
}
constexpr bool
IsBigEndian()
IsBigEndian() noexcept
{
return IS_BIG_ENDIAN;
}
constexpr uint16_t
GenericByteSwap16(uint16_t value)
GenericByteSwap16(uint16_t value) noexcept
{
return (value >> 8) | (value << 8);
}
constexpr uint32_t
GenericByteSwap32(uint32_t value)
GenericByteSwap32(uint32_t value) noexcept
{
return (value >> 24) | ((value >> 8) & 0x0000ff00) |
((value << 8) & 0x00ff0000) | (value << 24);
}
constexpr uint64_t
GenericByteSwap64(uint64_t value)
GenericByteSwap64(uint64_t value) noexcept
{
return uint64_t(GenericByteSwap32(uint32_t(value >> 32)))
| (uint64_t(GenericByteSwap32(value)) << 32);
}
constexpr uint16_t
ByteSwap16(uint16_t value)
ByteSwap16(uint16_t value) noexcept
{
#if CLANG_OR_GCC_VERSION(4,8)
return __builtin_bswap16(value);
@ -116,7 +116,7 @@ ByteSwap16(uint16_t value)
}
constexpr uint32_t
ByteSwap32(uint32_t value)
ByteSwap32(uint32_t value) noexcept
{
#if CLANG_OR_GCC_VERSION(4,3)
return __builtin_bswap32(value);
@ -126,7 +126,7 @@ ByteSwap32(uint32_t value)
}
constexpr uint64_t
ByteSwap64(uint64_t value)
ByteSwap64(uint64_t value) noexcept
{
#if CLANG_OR_GCC_VERSION(4,3)
return __builtin_bswap64(value);
@ -139,7 +139,7 @@ ByteSwap64(uint64_t value)
* Converts a 16bit value from big endian to the system's byte order
*/
constexpr uint16_t
FromBE16(uint16_t value)
FromBE16(uint16_t value) noexcept
{
return IsBigEndian() ? value : ByteSwap16(value);
}
@ -148,7 +148,7 @@ FromBE16(uint16_t value)
* Converts a 32bit value from big endian to the system's byte order
*/
constexpr uint32_t
FromBE32(uint32_t value)
FromBE32(uint32_t value) noexcept
{
return IsBigEndian() ? value : ByteSwap32(value);
}
@ -157,7 +157,7 @@ FromBE32(uint32_t value)
* Converts a 64bit value from big endian to the system's byte order
*/
constexpr uint64_t
FromBE64(uint64_t value)
FromBE64(uint64_t value) noexcept
{
return IsBigEndian() ? value : ByteSwap64(value);
}
@ -166,7 +166,7 @@ FromBE64(uint64_t value)
* Converts a 16bit value from little endian to the system's byte order
*/
constexpr uint16_t
FromLE16(uint16_t value)
FromLE16(uint16_t value) noexcept
{
return IsLittleEndian() ? value : ByteSwap16(value);
}
@ -175,7 +175,7 @@ FromLE16(uint16_t value)
* Converts a 32bit value from little endian to the system's byte order
*/
constexpr uint32_t
FromLE32(uint32_t value)
FromLE32(uint32_t value) noexcept
{
return IsLittleEndian() ? value : ByteSwap32(value);
}
@ -184,7 +184,7 @@ FromLE32(uint32_t value)
* Converts a 64bit value from little endian to the system's byte order
*/
constexpr uint64_t
FromLE64(uint64_t value)
FromLE64(uint64_t value) noexcept
{
return IsLittleEndian() ? value : ByteSwap64(value);
}
@ -193,7 +193,7 @@ FromLE64(uint64_t value)
* Converts a 16bit value from the system's byte order to big endian
*/
constexpr uint16_t
ToBE16(uint16_t value)
ToBE16(uint16_t value) noexcept
{
return IsBigEndian() ? value : ByteSwap16(value);
}
@ -202,7 +202,7 @@ ToBE16(uint16_t value)
* Converts a 32bit value from the system's byte order to big endian
*/
constexpr uint32_t
ToBE32(uint32_t value)
ToBE32(uint32_t value) noexcept
{
return IsBigEndian() ? value : ByteSwap32(value);
}
@ -211,7 +211,7 @@ ToBE32(uint32_t value)
* Converts a 64bit value from the system's byte order to big endian
*/
constexpr uint64_t
ToBE64(uint64_t value)
ToBE64(uint64_t value) noexcept
{
return IsBigEndian() ? value : ByteSwap64(value);
}
@ -220,7 +220,7 @@ ToBE64(uint64_t value)
* Converts a 16bit value from the system's byte order to little endian
*/
constexpr uint16_t
ToLE16(uint16_t value)
ToLE16(uint16_t value) noexcept
{
return IsLittleEndian() ? value : ByteSwap16(value);
}
@ -229,7 +229,7 @@ ToLE16(uint16_t value)
* Converts a 32bit value from the system's byte order to little endian
*/
constexpr uint32_t
ToLE32(uint32_t value)
ToLE32(uint32_t value) noexcept
{
return IsLittleEndian() ? value : ByteSwap32(value);
}
@ -238,7 +238,7 @@ ToLE32(uint32_t value)
* Converts a 64bit value from the system's byte order to little endian
*/
constexpr uint64_t
ToLE64(uint64_t value)
ToLE64(uint64_t value) noexcept
{
return IsLittleEndian() ? value : ByteSwap64(value);
}

View File

@ -66,6 +66,11 @@ class CrossGccToolchain:
' -static-libstdc++ -static-libgcc'
self.libs = ''
# Explicitly disable _FORTIFY_SOURCE because it is broken with
# mingw. This prevents some libraries such as libFLAC to
# enable it.
self.cppflags += ' -D_FORTIFY_SOURCE=0'
self.is_arm = arch.startswith('arm')
self.is_armv7 = self.is_arm and 'armv7' in self.cflags
self.is_aarch64 = arch == 'aarch64'