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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>
Libav
Libav is a collection of libraries and tools to process multimedia content such as audio, video, subtitles and related metadata.
Libraries
libavcodecprovides implementation of a wider range of codecs.libavformatimplements streaming protocols, container formats and basic I/O access.libavutilincludes hashers, decompressors and miscellaneous utility functions.libavfilterprovides a mean to alter decoded Audio and Video through chain of filters.libavdeviceprovides an abstraction to access capture and playback devices.libavresampleimplements audio mixing and resampling routines.libswscaleimplements color conversion and scaling routines.
Tools
- avconv is a command line toolbox to manipulate, convert and stream multimedia content.
- avplay is a minimalistic multimedia player.
- avprobe is a simple analisys tool to inspect multimedia content.
- Additional small tools such as
aviocat,ismindexandqt-faststart.
Documentation
The offline documentation is available in the doc/ directory.
The online documentation is available in the main website and in the wiki.
Examples
Conding examples are available in the doc/example directory.
License
Libav codebase is mainly LGPL-licensed with optional components licensed under GPL. Please refer to the LICENSE file for detailed information.