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);
}
}
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);
}
