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Mark Thompson 7faae6e745 hwcontext_opencl: DRM to OpenCL mapping for ARM 
Using cl_arm_import_memory.  Unfortunately, despite this not being a
standard extension, the function clImportMemoryARM() is not accessible
via clGetExtensionFunctionAddressForPlatform().  This means that it has
to be linked directly to the ARM OpenCL binary, so making a portable
binary is not possible as it is with all other mapping extensions.
2017-11-22 23:02:33 +00:00
compat compat/cuda: Pass a logging context to load functions 2017-11-20 15:47:05 +00:00
doc lavu: OpenCL hwcontext implementation 2017-11-22 23:02:29 +00:00
ffbuild Merge commit '17b6c7efb471e8ff1b8a7271f6531ba1d52bf69c' 2017-11-12 01:02:02 -03:00
fftools ffmpeg: add return value check to supress the build warning. 2017-11-21 03:13:03 +01:00
libavcodec avcodec/jpeg2000: Dynamically allocate codeblock data 2017-11-22 13:06:50 +01:00
libavdevice avdevice/decklink_dec: autodetect the video input format 2017-11-22 00:08:35 +01:00
libavfilter avfilter/af_asetnsamples: add missing error check 2017-11-21 18:29:39 +01:00
libavformat avformat/mov: Increment stsd_count while processing stsd data; avoids leaks. 2017-11-22 13:06:50 +01:00
libavresample Merge commit '07a2b155949eb267cdfc7805f42c7b3375f9c7c5' 2017-10-21 14:57:53 -03:00
libavutil hwcontext_opencl: DRM to OpenCL mapping for ARM 2017-11-22 23:02:33 +00:00
libpostproc postproc: Drop deprecated qp typedef 2017-10-22 00:35:23 -03:00
libswresample lswr/rematrix: Support s32p. 2017-11-01 01:04:43 +01:00
libswscale Fix missing used attribute for inline assembly variables 2017-11-13 03:58:34 +01:00
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tests checkasm/utvideodsp: zero initialize the entire buffer 2017-11-21 11:24:38 -03:00
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Changelog avcodec: Implement mpeg4 nvdec hwaccel 2017-11-20 07:21:41 -08:00
configure hwcontext_opencl: DRM to OpenCL mapping for ARM 2017-11-22 23:02:33 +00:00
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README.md
RELEASE RELEASE: update for git after 3.4 branchpoint 2017-10-11 02:46:23 +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.
  • ffserver is a multimedia streaming server for live broadcasts.
  • 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.