Hello,
I use ffmpeg for about one year with MPEG-2 streams. Everything works fine
so far. Now I want to use H.264 coded videos as well. I'm trying to do a
frame accurate random seeking on H.264 video streams. But I cannot
accomplish to decode all single frames without any artefacts after calling
av_seek_frame. If I go through the stream from the beginning, it works. Is
it generally possible to do frame accurate seeking on H.264 video streams
and how?
Code snippet:
ret = av_seek_frame(pFormatCtx, videoStreamIndex, timestamp,
AVSEEK_FLAG_BACKWARD); avcodec_flush_buffers(pCodecCtx);
...
while (av_read_frame(pFormatCtx, pPacket) >= 0) { ...
bytesDecoded = avcodec_decode_video(pCodecCtx, pFrame, ref
frameFinished, packet.data, packet.size); ...
Any help would be appreciated!
Many thanks.
Florian Hallberg
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