5ef1959080
This commit is initially largely based on commit 4426540 from Anton Khirnov <anton@khirnov.net> and two following fixes (80fb19b and fe7b21c) which were previously skipped respectively in 98e3153, c9ee36e, and 7fe7cdc. mpeg4-bsf-unpack-bframes FATE reference is updated because the bsf filter now actually fixes the extradata (mpeg4_unpack_bframes_init() changing one byte is now honored on the output extradata). The FATE references for remove_extra change because the packet flags were wrong and the keyframes weren't marked, causing the bsf relying on these proprieties to not actually work as intended. The following was fixed by James Almer: The filter option arguments are now also parsed correctly. A hack to propagate extradata changed by bitstream filters after the first av_bsf_receive_packet() call is added to maintain the current behavior. This was previously done by av_bitstream_filter_filter() and is needed for the aac_adtstoasc bsf. The exit_on_error was not being checked anymore, and led to an exit error in the last frame of h264_mp4toannexb test. Restoring this behaviour prevents erroring out. The test is still changed as a result due to the badly filtered frame now not being written after the failure. Signed-off-by: Clément Bœsch <u@pkh.me> Signed-off-by: James Almer <jamrial@gmail.com>
FFmpeg README
FFmpeg 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.libswresampleimplements audio mixing and resampling routines.libswscaleimplements color conversion and scaling routines.
Tools
- ffmpeg is a command line toolbox to manipulate, convert and stream multimedia content.
- ffplay is a minimalistic multimedia player.
- ffprobe is a simple analysis tool to inspect multimedia content.
- ffserver is a multimedia streaming server for live broadcasts.
- 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
Coding examples are available in the doc/examples directory.
License
FFmpeg codebase is mainly LGPL-licensed with optional components licensed under GPL. Please refer to the LICENSE file for detailed information.
Contributing
Patches should be submitted to the ffmpeg-devel mailing list using
git format-patch or git send-email. Github pull requests should be
avoided because they are not part of our review process and will be ignored.