[Ffmpeg-devel] [PATCH] ODML AVI Duration
Tue Aug 22 22:21:23 CEST 2006
If I encoded an AVI that was over 2 GB (or 4m:43s DV), then video
players would read the wrong duration, thus not being able to show the
entire clip. For example, encoding a DV clip that is about 5 minutes
ffmpeg -i INPUT.mpg -f avi -vcodec dvvideo -acodec pcm_s16le -s ntsc
-r ntsc -ar 48000 -pix_fmt yuv411p -t 00:05:00 OUTPUT.avi
Windows Media Player and even ffmpeg would report the duration as 4:43.
This patch is to write the proper lengths in the AVI and stream headers.
If the file contains only 1 RIFF, then all will be the same. If there
is more than 1 RIFF, then in the write_trailer, it updates the odml's
length along with the headers.
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