On Nov 30, 2011, at 6:12, "Basha, Asif" <[email protected]> wrote:
> Hi, > > I am facing problem while decoding H264 first Frame(I Frame) by using > FFMPEG avcodec_decode_video() If avcodec_decode_video() called twice then > it’s working fine. Can you please suggest me regarding this issue. > > Regards, > Asif Asif, since ffmpeg now uses multi threading, there's a one 'frame' delay in delivering frames. This impacts the start of playback, where the first decode won't return a frame (it starts decoding on one or more threads), and the end of a file, where you need to keep decoding a few times to flush frames out. That may be what you're seeing. It's 'normal'. Bruce
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