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Fallback to detecting the stream duration from the AVFormatContext, if the

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AVStream does not provide it. For my test Flash Videos, I can at least get
a duration now, although seeking is pretty broken.


git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@31616 a95241bf-73f2-0310-859d-f6bbb57e9c96
This commit is contained in:
Stephan Aßmus 2009-07-17 09:32:09 +00:00
parent 993611096f
commit f06ec9ec92
1 changed files with 18 additions and 6 deletions
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24
src/add-ons/media/plugins/ffmpeg/AVFormatReader.cpp
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@ -656,12 +656,24 @@ AVFormatReader::StreamCookie::GetStreamInfo(int64* frameCount,
// for a couple of streams and are in line with the documentation, but
// unfortunately, libavformat itself seems to set the time_base and
// duration wrongly sometimes. :-(
TRACE(" stream duration: %lld, time_base %.4f (%d/%d)\n",
fStream->duration,
av_q2d(fStream->time_base),
fStream->time_base.num, fStream->time_base.den);
*duration = (bigtime_t)(1000000LL * fStream->duration
* av_q2d(fStream->time_base));
static const int64 kNoPTSValue = 0x8000000000000000LL;
// NOTE: For some reasons, I have trouble with the avcodec.h define:
// #define AV_NOPTS_VALUE INT64_C(0x8000000000000000)
// INT64_C is not defined here.
if ((int64)fStream->duration != kNoPTSValue) {
*duration = (bigtime_t)(1000000LL * fStream->duration
* fStream->time_base.num / fStream->time_base.den);
TRACE(" stream duration: %lld, time_base %.4f (%d/%d)\n",
*duration, av_q2d(fStream->time_base),
fStream->time_base.num, fStream->time_base.den);
} else if ((int64)fContext->duration != kNoPTSValue) {
*duration = (bigtime_t)(1000000LL * fContext->duration / AV_TIME_BASE);
TRACE(" stream duration: %lld (from AVFormatContext)\n",
*duration);
} else {
*duration = 0;
TRACE(" stream duration: N/A\n");
}
TRACE(" duration: %lld or %.2fs\n", *duration, *duration / 1000000.0);