[FFmpeg-trac] #3508(undetermined:new): Cannot open stats file on second pass when attempting to generate multiple outputs.
FFmpeg
trac at avcodec.org
Wed Apr 2 02:19:05 CEST 2014
#3508: Cannot open stats file on second pass when attempting to generate multiple
outputs.
-------------------------------------+-------------------------------------
Reporter: ianken | Owner:
Type: defect | Status: new
Priority: normal | Component:
Version: unspecified | undetermined
Keywords: | Resolution:
Blocking: | Blocked By:
Analyzed by developer: 0 | Reproduced by developer: 0
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Comment (by ianken):
Second pass generates two files. First pass makes LOG only. What I'm
tyring to do is make N outputs on the second pass to facilitate smooth or
HLS streaming.
ffmpeg -y -i big_buck_bunny_720p_stereo.avi -vf scale=240:trunc(ow/a/2)*2
-g 48 -keyint_min 6 -vcodec mpeg4 -b:v 400k -pass 1 -an -f mp4 NUL
ffmpeg -y -i big_buck_bunny_720p_stereo.avi -vf scale=240:trunc(ow/a/2)*2
-g 48 -keyint_min 6 -vcodec mpeg4 -b:v 400k -pass 2 -an -f mp4
big_buck_bunny_400.mp4 -vf scale=320:trunc(ow/a/2)*2 -g 48 -keyint_min 6
-vcodec mpeg4 -b:v 700k -pass 2 -an -f mp4 big_buck_bunny_700.mp4
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Ticket URL: <https://trac.ffmpeg.org/ticket/3508#comment:4>
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