// Human-readable AVFormat version
char const * human_readable_version() {
static char version[256];
snprintf(&version[0], sizeof(version), "%d.%d.%d", (avformat_version() >> 16) & 0xffff,
(avformat_version() >> 8) & 0x00ff,
(avformat_version() ) & 0x00ff);
return version;
}
// LibAvW_Init
DLL_EXPORT int LibAvW_Init(avwCallbackPrint *printfunction)
{
if (libav_initialized)
return LIBAVW_ERROR_NONE;
libav_codec_version = avcodec_version();
libav_format_version = avformat_version();
libav_util_version = avutil_version();
libav_swscale_version = swscale_version();
// only can use version we were linked against
if (libav_codec_version != LIBAVCODEC_VERSION_INT)
return LIBAVW_ERROR_DLL_VERSION_AVCODEC;
if (libav_format_version != LIBAVFORMAT_VERSION_INT)
return LIBAVW_ERROR_DLL_VERSION_AVFORMAT;
if (libav_util_version != LIBAVUTIL_VERSION_INT)
return LIBAVW_ERROR_DLL_VERSION_AVUTIL;
if (libav_swscale_version != LIBSWSCALE_VERSION_INT)
return LIBAVW_ERROR_DLL_VERSION_SWSCALE;
// allright, init libavcodec
avcodec_register_all();
av_register_all();
av_log_set_callback(LibAvW_ErrorCallback);
libav_initialized = true;
libav_print = printfunction;
return LIBAVW_ERROR_NONE;
}
void print_libav_versions(void)
{
print_version("libavutil", LIBAVUTIL_VERSION_INT, avutil_version());
print_version("libavcodec", LIBAVCODEC_VERSION_INT, avcodec_version());
print_version("libavformat", LIBAVFORMAT_VERSION_INT, avformat_version());
print_version("libswscale", LIBSWSCALE_VERSION_INT, swscale_version());
}
bool print_libav_versions(struct mp_log *log, int v)
{
const struct lib libs[] = {
{"libavutil", LIBAVUTIL_VERSION_INT, avutil_version()},
{"libavcodec", LIBAVCODEC_VERSION_INT, avcodec_version()},
{"libavformat", LIBAVFORMAT_VERSION_INT, avformat_version()},
{"libswscale", LIBSWSCALE_VERSION_INT, swscale_version()},
{"libavfilter", LIBAVFILTER_VERSION_INT, avfilter_version()},
#if HAVE_LIBAV
{"libavresample", LIBAVRESAMPLE_VERSION_INT, avresample_version()},
#else
{"libswresample", LIBSWRESAMPLE_VERSION_INT, swresample_version()},
#endif
};
mp_msg(log, v, "%s library versions:\n", LIB_PREFIX);
bool mismatch = false;
for (int n = 0; n < MP_ARRAY_SIZE(libs); n++) {
const struct lib *l = &libs[n];
mp_msg(log, v, " %-15s %d.%d.%d", l->name, V(l->buildv));
if (l->buildv != l->runv) {
mp_msg(log, v, " (runtime %d.%d.%d)", V(l->runv));
mismatch = true;
}
mp_msg(log, v, "\n");
}
mp_msg(log, v, "%s version: %s\n", LIB_PREFIX, av_version_info());
return !mismatch;
}
ADM_MUXER_PLUGIN_EXPORT const char* getUnderlyingLibraryVersion()
{
if (version == NULL)
{
version = new char[10];
snprintf(version, 10, "%d", avformat_version());
}
return version;
}
void print_libav_versions(struct mp_log *log, int v)
{
const struct lib libs[] = {
{"libavutil", LIBAVUTIL_VERSION_INT, avutil_version()},
{"libavcodec", LIBAVCODEC_VERSION_INT, avcodec_version()},
{"libavformat", LIBAVFORMAT_VERSION_INT, avformat_version()},
{"libswscale", LIBSWSCALE_VERSION_INT, swscale_version()},
#if HAVE_LIBAVFILTER
{"libavfilter", LIBAVFILTER_VERSION_INT, avfilter_version()},
#endif
#if HAVE_LIBAVRESAMPLE
{"libavresample", LIBAVRESAMPLE_VERSION_INT, avresample_version()},
#endif
#if HAVE_LIBSWRESAMPLE
{"libswresample", LIBSWRESAMPLE_VERSION_INT, swresample_version()},
#endif
};
mp_msg(log, v, "%s library versions:\n", LIB_PREFIX);
bool mismatch = false;
bool broken = false;
for (int n = 0; n < MP_ARRAY_SIZE(libs); n++) {
const struct lib *l = &libs[n];
mp_msg(log, v, " %-15s %d.%d.%d", l->name, V(l->buildv));
if (l->buildv != l->runv) {
mp_msg(log, v, " (runtime %d.%d.%d)", V(l->runv));
mismatch = true;
broken |= ((l->buildv & 255) >= 100) != ((l->runv & 255) >= 100);
}
mp_msg(log, v, "\n");
}
// This just won't work. It's 100% broken.
if (broken) {
mp_fatal(log, "mpv was compiled and linked against a mixture of Libav "
"and FFmpeg versions. This won't work and will most likely "
"crash at some point. Exiting.\n");
exit(42);
}
// We don't "really" support mismatched libraries, but if you like to
// suffer, you're free to enjoy the terrible aspects of dynamic linking.
// In particular, we don't use all these crazy accessors ffmpeg wants us
// to use in order to be ABI compatible after Libav merges - because that
// would make our code incompatible to Libav. It's madness.
if (mismatch) {
mp_warn(log, "Warning: mpv was compiled against a different version of "
"%s than the shared\nlibrary it is linked against. This can "
"expose subtle ABI compatibility issues\nand can lead to "
"misbehavior and crashes.\n", LIB_PREFIX);
}
}
/*
static void dump_stream_format(AVFormatContext *ic, int i, int index, int is_output)
{
char buf[256];
int flags = (is_output ? ic->oformat->flags : ic->iformat->flags);
AVStream *st = ic->streams[i];
int g = av_gcd(st->time_base.num, st->time_base.den);
AVDictionaryEntry *lang = av_dict_get(st->metadata, "language", NULL, 0);
avcodec_string(buf, sizeof(buf), st->codec, is_output);
av_log(NULL, AV_LOG_INFO, " Stream #%d.%d", index, i);
// the pid is an important information, so we display it
// XXX: add a generic system
if (flags & AVFMT_SHOW_IDS)
av_log(NULL, AV_LOG_INFO, "[0x%x]", st->id);
if (lang)
av_log(NULL, AV_LOG_INFO, "(%s)", lang->value);
av_log(NULL, AV_LOG_DEBUG, ", %d, %d/%d", st->codec_info_nb_frames, st->time_base.num/g, st->time_base.den/g);
av_log(NULL, AV_LOG_INFO, ": %s", buf);
if (st->sample_aspect_ratio.num && // default
av_cmp_q(st->sample_aspect_ratio, st->codec->sample_aspect_ratio)) {
AVRational display_aspect_ratio;
av_reduce(&display_aspect_ratio.num, &display_aspect_ratio.den,
st->codec->width*st->sample_aspect_ratio.num,
st->codec->height*st->sample_aspect_ratio.den,
1024*1024);
av_log(NULL, AV_LOG_INFO, ", PAR %d:%d DAR %d:%d",
st->sample_aspect_ratio.num, st->sample_aspect_ratio.den,
display_aspect_ratio.num, display_aspect_ratio.den);
}
if(st->codec->codec_type == AVMEDIA_TYPE_VIDEO){
if(st->avg_frame_rate.den && st->avg_frame_rate.num)
print_fps(av_q2d(st->avg_frame_rate), "fps");
if(st->r_frame_rate.den && st->r_frame_rate.num)
print_fps(av_q2d(st->r_frame_rate), "tbr");
if(st->time_base.den && st->time_base.num)
print_fps(1/av_q2d(st->time_base), "tbn");
if(st->codec->time_base.den && st->codec->time_base.num)
print_fps(1/av_q2d(st->codec->time_base), "tbc");
}
if (st->disposition & AV_DISPOSITION_DEFAULT)
av_log(NULL, AV_LOG_INFO, " (default)");
if (st->disposition & AV_DISPOSITION_DUB)
av_log(NULL, AV_LOG_INFO, " (dub)");
if (st->disposition & AV_DISPOSITION_ORIGINAL)
av_log(NULL, AV_LOG_INFO, " (original)");
if (st->disposition & AV_DISPOSITION_COMMENT)
av_log(NULL, AV_LOG_INFO, " (comment)");
if (st->disposition & AV_DISPOSITION_LYRICS)
av_log(NULL, AV_LOG_INFO, " (lyrics)");
if (st->disposition & AV_DISPOSITION_KARAOKE)
av_log(NULL, AV_LOG_INFO, " (karaoke)");
if (st->disposition & AV_DISPOSITION_FORCED)
av_log(NULL, AV_LOG_INFO, " (forced)");
if (st->disposition & AV_DISPOSITION_HEARING_IMPAIRED)
av_log(NULL, AV_LOG_INFO, " (hearing impaired)");
if (st->disposition & AV_DISPOSITION_VISUAL_IMPAIRED)
av_log(NULL, AV_LOG_INFO, " (visual impaired)");
if (st->disposition & AV_DISPOSITION_CLEAN_EFFECTS)
av_log(NULL, AV_LOG_INFO, " (clean effects)");
av_log(NULL, AV_LOG_INFO, "\n");
dump_metadata(NULL, st->metadata, " ");
}*/
void AVInfo::dump()
{
qDebug("Version\n"
"libavcodec: %#x\n"
"libavformat: %#x\n"
// "libavdevice: %#x\n"
"libavutil: %#x"
,avcodec_version()
,avformat_version()
// ,avdevice_version()
,avutil_version());
av_dump_format(_format_context, 0, qPrintable(_file_name), false);
qDebug("video format: %s [%s]", qPrintable(videoFormatName()), qPrintable(videoFormatLongName()));
qDebug("Audio: %s [%s]", qPrintable(audioCodecName()), qPrintable(audioCodecLongName()));
qDebug("sample rate: %d, channels: %d", a_codec_context->sample_rate, a_codec_context->channels);
}
FFMS_Index::FFMS_Index(const char *IndexFile)
: RefCount(1)
{
ZipFile zf(IndexFile, "rb");
// Read the index file header
if (zf.Read<uint32_t>() != INDEXID)
throw FFMS_Exception(FFMS_ERROR_PARSER, FFMS_ERROR_FILE_READ,
std::string("'") + IndexFile + "' is not a valid index file");
if (zf.Read<uint32_t>() != FFMS_VERSION)
throw FFMS_Exception(FFMS_ERROR_PARSER, FFMS_ERROR_FILE_READ,
std::string("'") + IndexFile + "' is not the expected index version");
uint32_t Tracks = zf.Read<uint32_t>();
Decoder = zf.Read<uint32_t>();
ErrorHandling = zf.Read<uint32_t>();
if (!(Decoder & FFMS_GetEnabledSources()))
throw FFMS_Exception(FFMS_ERROR_INDEX, FFMS_ERROR_NOT_AVAILABLE,
"The source which this index was created with is not available");
if (zf.Read<uint32_t>() != avutil_version() ||
zf.Read<uint32_t>() != avformat_version() ||
zf.Read<uint32_t>() != avcodec_version() ||
zf.Read<uint32_t>() != swscale_version())
throw FFMS_Exception(FFMS_ERROR_PARSER, FFMS_ERROR_FILE_READ,
std::string("A different FFmpeg build was used to create '") + IndexFile + "'");
Filesize = zf.Read<int64_t>();
zf.Read(Digest, sizeof(Digest));
reserve(Tracks);
try {
for (size_t i = 0; i < Tracks; ++i)
push_back(FFMS_Track(zf));
}
catch (FFMS_Exception const&) {
throw;
}
catch (...) {
throw FFMS_Exception(FFMS_ERROR_PARSER, FFMS_ERROR_FILE_READ,
std::string("Unknown error while reading index information in '") + IndexFile + "'");
}
}
void ffmpeg_version_print()
{
struct _component {
const char* lib;
unsigned build_version;
unsigned rt_version;
} components[] = {
{ "avcodec", LIBAVCODEC_VERSION_INT, avcodec_version()},
{ "avformat", LIBAVFORMAT_VERSION_INT, avformat_version()},
{ "avutil", LIBAVUTIL_VERSION_INT, avutil_version()},
{ "swscale", LIBSWSCALE_VERSION_INT, swscale_version()},
#if QTAV_HAVE(SWRESAMPLE)
{ "swresample", LIBSWRESAMPLE_VERSION_INT, swresample_version()}, //swresample_version not declared in 0.9
#endif //QTAV_HAVE(SWRESAMPLE)
#if QTAV_HAVE(AVRESAMPLE)
{ "avresample", LIBAVRESAMPLE_VERSION_INT, avresample_version()},
#endif //QTAV_HAVE(AVRESAMPLE)
#if QTAV_HAVE(AVFILTER)
{ "avfilter", LIBAVFILTER_VERSION_INT, avfilter_version() },
#endif //QTAV_HAVE(AVFILTER)
{ 0, 0, 0}
};
for (int i = 0; components[i].lib != 0; ++i) {
printf("Build with lib%s-%u.%u.%u\n"
, components[i].lib
, QTAV_VERSION_MAJOR(components[i].build_version)
, QTAV_VERSION_MINOR(components[i].build_version)
, QTAV_VERSION_PATCH(components[i].build_version)
);
unsigned rt_version = components[i].rt_version;
if (components[i].build_version != rt_version) {
fprintf(stderr, "Warning: %s runtime version %u.%u.%u mismatch!\n"
, components[i].lib
, QTAV_VERSION_MAJOR(rt_version)
, QTAV_VERSION_MINOR(rt_version)
, QTAV_VERSION_PATCH(rt_version)
);
}
}
fflush(0);
}
void FFMS_Index::WriteIndex(const char *IndexFile) {
ZipFile zf(IndexFile, "wb");
// Write the index file header
zf.Write<uint32_t>(INDEXID);
zf.Write<uint32_t>(FFMS_VERSION);
zf.Write<uint32_t>(size());
zf.Write<uint32_t>(Decoder);
zf.Write<uint32_t>(ErrorHandling);
zf.Write<uint32_t>(avutil_version());
zf.Write<uint32_t>(avformat_version());
zf.Write<uint32_t>(avcodec_version());
zf.Write<uint32_t>(swscale_version());
zf.Write<int64_t>(Filesize);
zf.Write(Digest);
for (size_t i = 0; i < size(); ++i)
at(i).Write(zf);
zf.Finish();
}
SoundSource::OpenResult SoundSourceFFmpeg::tryOpen(const AudioSourceConfig& /*audioSrcCfg*/) {
AVDictionary *l_iFormatOpts = nullptr;
const QString localFileName(getLocalFileName());
qDebug() << "New SoundSourceFFmpeg :" << localFileName;
DEBUG_ASSERT(!m_pFormatCtx);
m_pFormatCtx = avformat_alloc_context();
if (m_pFormatCtx == nullptr) {
qDebug() << "SoundSourceFFmpeg::tryOpen: Can't allocate memory";
return OpenResult::FAILED;
}
// TODO() why is this required, should't it be a runtime check
#if LIBAVCODEC_VERSION_INT < 3622144 // 55.69.0
m_pFormatCtx->max_analyze_duration = 999999999;
#endif
// libav replaces open() with ff_win32_open() which accepts a
// Utf8 path
// see: avformat/os_support.h
// The old method defining an URL_PROTOCOL is deprecated
#if defined(_WIN32) && !defined(__MINGW32CE__)
const QByteArray qBAFilename(
avformat_version() >= ((52<<16)+(0<<8)+0) ?
getLocalFileName().toUtf8() :
getLocalFileName().toLocal8Bit());
#else
const QByteArray qBAFilename(getLocalFileName().toLocal8Bit());
#endif
// Open file and make m_pFormatCtx
if (avformat_open_input(&m_pFormatCtx, qBAFilename.constData(), nullptr,
&l_iFormatOpts) != 0) {
qDebug() << "SoundSourceFFmpeg::tryOpen: cannot open" << localFileName;
return OpenResult::FAILED;
}
// TODO() why is this required, should't it be a runtime check
#if LIBAVCODEC_VERSION_INT > 3544932 // 54.23.100
av_dict_free(&l_iFormatOpts);
#endif
// Retrieve stream information
if (avformat_find_stream_info(m_pFormatCtx, nullptr) < 0) {
qDebug() << "SoundSourceFFmpeg::tryOpen: cannot open" << localFileName;
return OpenResult::FAILED;
}
//debug only (Enable if needed)
//av_dump_format(m_pFormatCtx, 0, qBAFilename.constData(), false);
// Find the first audio stream
m_iAudioStream = -1;
for (unsigned int i = 0; i < m_pFormatCtx->nb_streams; i++)
if (m_pFormatCtx->streams[i]->codec->codec_type == AVMEDIA_TYPE_AUDIO) {
m_iAudioStream = i;
break;
}
if (m_iAudioStream == -1) {
qDebug() <<
"SoundSourceFFmpeg::tryOpen: cannot find an audio stream: cannot open"
<< localFileName;
return OpenResult::FAILED;
}
// Get a pointer to the codec context for the audio stream
m_pCodecCtx = m_pFormatCtx->streams[m_iAudioStream]->codec;
// Find the decoder for the audio stream
if (!(m_pCodec = avcodec_find_decoder(m_pCodecCtx->codec_id))) {
qDebug() << "SoundSourceFFmpeg::tryOpen: cannot find a decoder for" <<
localFileName;
return OpenResult::UNSUPPORTED_FORMAT;
}
if (avcodec_open2(m_pCodecCtx, m_pCodec, nullptr)<0) {
qDebug() << "SoundSourceFFmpeg::tryOpen: cannot open" << localFileName;
return OpenResult::FAILED;
}
m_pResample = std::make_unique<EncoderFfmpegResample>(m_pCodecCtx);
m_pResample->openMixxx(m_pCodecCtx->sample_fmt, AV_SAMPLE_FMT_FLT);
setChannelCount(m_pCodecCtx->channels);
setSamplingRate(m_pCodecCtx->sample_rate);
setFrameCount((qint64)round((double)((double)m_pFormatCtx->duration *
(double)m_pCodecCtx->sample_rate) / (double)AV_TIME_BASE));
qDebug() << "SoundSourceFFmpeg::tryOpen: Sampling rate: " << getSamplingRate() <<
", Channels: " <<
getChannelCount() << "\n";
if (getChannelCount() > 2) {
qDebug() << "ffmpeg: No support for more than 2 channels!";
return OpenResult::FAILED;
}
return OpenResult::SUCCEEDED;
}
ExportFFmpeg::ExportFFmpeg()
: ExportPlugin()
{
mEncFormatCtx = NULL; // libavformat's context for our output file
mEncFormatDesc = NULL; // describes our output file to libavformat
mEncAudioStream = NULL; // the output audio stream (may remain NULL)
mEncAudioCodecCtx = NULL; // the encoder for the output audio stream
#define MAX_AUDIO_PACKET_SIZE (128 * 1024)
mEncAudioFifoOutBuf = NULL; // buffer to read _out_ of the FIFO into
mEncAudioFifoOutBufSiz = 0;
mSampleRate = 0;
mSupportsUTF8 = true;
PickFFmpegLibs(); // DropFFmpegLibs() call is in ExportFFmpeg::Destroy()
int avfver = FFmpegLibsInst->ValidLibsLoaded() ? avformat_version() : 0;
int newfmt;
// Adds export types from the export type list
for (newfmt = 0; newfmt < FMT_LAST; newfmt++)
{
wxString shortname(ExportFFmpegOptions::fmts[newfmt].shortname);
//Don't hide export types when there's no av-libs, and don't hide FMT_OTHER
if (newfmt < FMT_OTHER && FFmpegLibsInst->ValidLibsLoaded())
{
// Format/Codec support is compiled in?
AVOutputFormat *avoformat = av_guess_format(shortname.mb_str(), NULL, NULL);
AVCodec *avcodec = avcodec_find_encoder(ExportFFmpegOptions::fmts[newfmt].codecid);
if (avoformat == NULL || avcodec == NULL)
{
ExportFFmpegOptions::fmts[newfmt].compiledIn = false;
continue;
}
}
int fmtindex = AddFormat() - 1;
SetFormat(ExportFFmpegOptions::fmts[newfmt].name,fmtindex);
AddExtension(ExportFFmpegOptions::fmts[newfmt].extension,fmtindex);
// For some types add other extensions
switch(newfmt)
{
case FMT_M4A:
AddExtension(wxString(wxT("3gp")),fmtindex);
AddExtension(wxString(wxT("m4r")),fmtindex);
AddExtension(wxString(wxT("mp4")),fmtindex);
break;
case FMT_WMA2:
AddExtension(wxString(wxT("asf")),fmtindex);
AddExtension(wxString(wxT("wmv")),fmtindex);
break;
default:
break;
}
SetMaxChannels(ExportFFmpegOptions::fmts[newfmt].maxchannels,fmtindex);
SetDescription(ExportFFmpegOptions::fmts[newfmt].description,fmtindex);
int canmeta = ExportFFmpegOptions::fmts[newfmt].canmetadata;
if (canmeta && (canmeta == AV_VERSION_INT(-1,-1,-1) || canmeta <= avfver))
{
SetCanMetaData(true,fmtindex);
}
else
{
SetCanMetaData(false,fmtindex);
}
}
}
