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ZhouXiaoyong 0ace686ae8 avcodec: optimize mathops for Loongson-3 v1 
HAVE_LOONGSON is replaced by HAVE_LOONGSON3. Even Loongson-2E and 2F support
Loongson SIMD instructs but have low performance for decoding. We plan to focus
on optimizing Loongson-3A1000, 3B1500 and 3A1500, and modify the configure file
to support Loongson-2 series later by adding HAVE_LOONGSON2.

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
2015-04-27 02:25:12 +02:00
compat
doc git-howto.texi: fix a typo 2015-04-23 23:56:21 -07:00
libavcodec avcodec: optimize mathops for Loongson-3 v1 2015-04-27 02:25:12 +02:00
libavdevice lavd/v4l2: print buffer flags in case of error 2015-04-24 13:25:40 +02:00
libavfilter buffersrc: Use the correct deallocation function 2015-04-22 12:26:53 +02:00
libavformat avformat/format: Add generic trace av_log in av_probe_input_format3() 2015-04-25 03:43:59 +02:00
libavresample
libavutil avutil/log: more complete description of av_log function 2015-04-26 16:34:06 +02:00
libpostproc postproc: Made QP, nonBQP, and pQPb arrays 2015-04-22 23:59:03 +02:00
libswresample
libswscale swscale/swscale: Get rid of the SWS_GAMMA_CORRECT flag 2015-04-23 20:34:51 +02:00
presets
tests avcodec/ffv1enc: set bits_per_raw_sample for 8bit based formats 2015-04-26 21:23:14 +02:00
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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.