// 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;
}
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);
}
}
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();
}