[Ffmpeg-devel] MPEG decoder duplicates second last frame?

Stefan Heinzmann stefan_heinzmann
Sat Aug 12 20:08:07 CEST 2006

Hi all,

the MPEG decoder seems to duplicate the frame before the
last. I've seen this on an MPEG1 video stream that was part
of an MPEG2(SS). The last frame is produced correctly when
calling av_video_decode with NULL.

The decode example shows this, too; it produces one ppm file
too much, and careful examination shows that there are two
files produced from the second last frame.

The ffmpeg application also produces one more frame on output
than what the original file contains.

Is this a known problem?



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