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TianBo Zheng d4a910b2c8 Add MKV tags for AVS2 and AVS3 codecs. 
Signed-off-by: TianBo Zheng <naturalwalker@hotmail.com>

MKV codec mappings:
  V_AVS2 and V_AVS3 (https://github.com/ietf-wg-cellar/matroska-specification/blob/master/codec_specs.md)

Encoding tool:
  Ffmpeg with AVS2/AVS3 enabled: https://github.com/xatabhk/FFmpeg-avs2-avs3/releases
  Command line:

             ffmpeg -i xxxx.mp4 -vcodec avs2 -acodec copy xxxx_avs2.mkv
             ffmpeg -i xxxx.mp4 -vcodec avs2 -speed_level 4 -acodec copy xxxx_avs2.mkv`

Players:
  (1) Ffmpeg with avs2/avs3 enabled: (https://github.com/xatabhk/FFmpeg-avs2-avs3/releases):
    Command line:

        ffplay xxxx_avs2.mkv
    ffplay xxxx_avs3.mkv
  (2) VLC 3.0.x with AVS2/AVS3 enabled: https://github.com/xatabhk/vlc-3.0-avs2-avs3/releases
  (3) Mpc-hc 1.9.x with AVS2/AVS3 enabled: https://gitee.com/zhengtianbo/cavs-avs2-avs3_decoder_added_to_mpc_hc/releases

AVS2/AVS3 MKV samples:
  https://github.com/xatabhk/avs2-avs3-video-samples

Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
2022-02-03 05:07:44 +01:00
compat Replace all occurences of av_mallocz_array() by av_calloc() 2021-09-20 01:03:52 +02:00
doc lavc/qsvenc: add tile encoding support for VP9 2022-01-29 12:02:52 +08:00
ffbuild Makefile: Redo duplicating object files in shared builds 2022-01-04 05:01:04 +01:00
fftools fftools/cmdutils: Fix undefined 1 << 31 2022-01-11 00:20:35 +01:00
libavcodec avcodec/libdav1d: free the Dav1dData packet on dav1d_send_data() failure 2022-02-01 13:03:12 -03:00
libavdevice avdevice/iec61883: #if unused code away, fix -O0 compilation 2022-01-08 18:15:18 +01:00
libavfilter avfilter/vf_v360: improve xyz_to_fisheye() 2022-01-29 17:36:37 +01:00
libavformat Add MKV tags for AVS2 and AVS3 codecs. 2022-02-03 05:07:44 +01:00
libavutil x86/tx_float: avoid redefining macros 2022-02-02 07:51:45 +01:00
libpostproc lib*/version.h: Bump Versions after release/5.0 branch 2022-01-04 14:29:06 +01:00
libswresample lib*/version.h: Bump Versions after release/5.0 branch 2022-01-04 14:29:06 +01:00
libswscale swscale/x86/swscale: Remove superfluous and invalid ';' 2022-01-22 17:00:45 +01:00
presets
tests avformat/imf: add IMF CPL with repeated resources to FATE 2022-02-03 04:00:09 +01:00
tools tools/target_dec_fuzzer: Adjust threshold for prores 2021-12-16 21:06:47 +01:00
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Changelog Changelog: Add new <next> line after 5.0 2022-01-05 08:37:55 -03:00
configure configure: add libplacebo to help message 2022-01-27 10:05:27 +01:00
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MAINTAINERS MAINTAINERS: add my gpg fingerprint 2021-12-23 09:25:16 +08:00
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README.md README: fix typo and description of libavfilter 2021-10-08 09:44:34 +05:30
RELEASE

README.md

FFmpeg README

FFmpeg is a collection of libraries and tools to process multimedia content such as audio, video, subtitles and related metadata.

Libraries

  • libavcodec provides implementation of a wider range of codecs.
  • libavformat implements streaming protocols, container formats and basic I/O access.
  • libavutil includes hashers, decompressors and miscellaneous utility functions.
  • libavfilter provides means to alter decoded audio and video through a directed graph of connected filters.
  • libavdevice provides an abstraction to access capture and playback devices.
  • libswresample implements audio mixing and resampling routines.
  • libswscale implements 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.
  • Additional small tools such as aviocat, ismindex and qt-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.