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Linjie Fu efefba61f8 lavc/vaapi_encode: grow packet if vaMapBuffer returns multiple buffers 
Currently, assigning new buffer for pkt when multiple buffers were returned
from vaMapBuffer will overwrite the previous encoded pkt data and lead
to encode issues.

Iterate through the buf_list first to find out the total buffer size
needed for the pkt, allocate the whole pkt to avoid repeated reallocation
and memcpy, then copy data from each buf to pkt.

Signed-off-by: Linjie Fu <linjie.fu@intel.com>
2019-12-17 07:57:03 +08:00
compat compat/cuda: Change inclusion guards 2019-08-05 12:07:09 +02:00
doc avfilter: Add tonemap vaapi filter for H2S 2019-12-17 07:49:49 +08:00
ffbuild build: add support for building CUDA files with clang 2019-08-04 19:08:08 +02:00
fftools configure: Check for the SetDllDirectory and GetModuleHandle functions 2019-12-13 10:53:05 +02:00
libavcodec lavc/vaapi_encode: grow packet if vaMapBuffer returns multiple buffers 2019-12-17 07:57:03 +08:00
libavdevice avdevice/xcbgrab: wrap non-shm image replies in a buffer ref 2019-12-06 10:09:49 +01:00
libavfilter avfilter: Add tonemap vaapi filter for H2S 2019-12-17 07:49:49 +08:00
libavformat avformat: Don't free old extradata before ff_alloc/get_extradata 2019-12-12 19:25:33 +01:00
libavresample avresample: remove deprecated attribute from the AVAudioResampleContext struct 2018-01-09 10:56:53 -03:00
libavutil lavu/log: Also print the log level for level trace. 2019-12-16 20:53:27 +01:00
libpostproc Bump minor versions again on master to keep 4.2 versions separate from master 2019-07-21 18:36:31 +02:00
libswresample swresample/audioconvert: fix invalid left shift for 64bit sample format 2019-09-26 16:22:47 +02:00
libswscale swscale/swscale_unscaled: add AV_PIX_FMT_GBRAP10 for LE and BE conversion wrapper 2019-12-10 16:09:14 +01:00
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tests fate/cbs: use the rawvideo muxer for AV1 tests 2019-12-13 10:58:10 -03:00
tools tools/target_dec_fuzzer: Adjust threshold for dst 2019-12-15 01:01:22 +01:00
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.gitignore tools/python: add script to convert TensorFlow model (.pb) to native model (.model) 2019-07-01 10:23:47 -03:00
.travis.yml Merge commit '899ee03088d55152a48830df0899887f055da1de' 2019-03-14 15:53:16 -03:00
Changelog Changelog: add entry about MPEG-H 3D Audio support in mp4 2019-12-12 12:03:31 -03:00
configure avfilter: Add tonemap vaapi filter for H2S 2019-12-17 07:49:49 +08:00
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INSTALL.md INSTALL.md: Fix Markdown formatting 2019-01-31 10:29:16 -09:00
LICENSE.md LICENSE: Add missing libraries that need --enable-version3. 2019-08-12 02:25:39 +02:00
MAINTAINERS MAINTAINERS: add myself as libxavs2 maintainer 2019-12-07 19:34:57 +01:00
Makefile tools: add a fuzzer tool for bitstream filters 2019-12-05 20:49:15 -03:00
README.md Remove the ffserver program 2018-01-06 18:31:37 +00:00
RELEASE RELEASE: Update value for post 4.2 branch 2019-07-21 18:37:32 +02:00

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 a mean to alter decoded Audio and Video through chain of 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.