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authorPeter Große <pegro@friiks.de>2017-01-29 15:26:25 +0100
committerMartin Storsjö <martin@martin.st>2017-01-31 00:08:21 +0200
commite519dcd937c7c98815ba9884867590e302272016 (patch)
tree866d62ec88b0a8f3412ab716ab8bbd682a61eae0 /libavcodec
parent1920382aa9f21d7ed1a3c2214990da8d2b067a92 (diff)
downloadffmpeg-e519dcd937c7c98815ba9884867590e302272016.tar.gz
dashenc: separate segments based on current segment duration
The current implementation creates new segments comparing pkt->pts - first_pts > nb_segs * min_seg_duration This works fine, but if the keyframe interval is smaller than "min_seg_duration" segments shorter than the minimum segment duration are created. Example: keyint=50, min_seg_duration=3000000 segment 1 contains keyframe 1 (duration=2s < total_duration=3s) and keyframe 2 (duration=4s >= total_duration=3s) segment 2 contains keyframe 3 (duration=6s >= total_duration=6s) segment 3 contains keyframe 4 (duration=8s < total_duration=9s) and keyframe 5 (duration=10s >= total_duration=9s) ... Segment 2 is only 2s long, shorter than min_seg_duration = 3s. To fix this, new segments are created based on the actual written duration. Otherwise the option name "min_seg_duration" is misleading. Signed-off-by: Peter Große <pegro@friiks.de> Signed-off-by: Martin Storsjö <martin@martin.st>
Diffstat (limited to 'libavcodec')
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