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wm4 92eef26e67 avformat/mp3dec: fix gapless audio when seeking in CBR mode 
Removing a bunch of questionable hacks makes it work. These hacks
apparently try to make concatenated mp3s with Lame headers seekable,
which doesn't make too much sense anyway. The main change is that we
trust the Xing header file size field now (the same field is used for
seeking with Xing TOC). Note that a mp3 might contain an unknown number
of unsupported additional tags, so we can't reliably compute this size
manually.

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
2015-04-17 17:48:22 +02:00
compat avisynth: drop support of AviSynth 2.5 2015-03-25 20:37:26 +01:00
doc avisynth: Bump minimum required version to interface version 6 2015-04-14 13:53:04 +02:00
libavcodec avcodec/mips: MSA (MIPS-SIMD-Arch) optimizations for HEVC horizontal and vertical mc functions 2015-04-17 17:39:32 +02:00
libavdevice libdc1394: Unbreak build after c201069fa 2015-04-11 10:57:18 +02:00
libavfilter lavfi/avf_showcqt: fix error code. 2015-04-16 12:38:28 +02:00
libavformat avformat/mp3dec: fix gapless audio when seeking in CBR mode 2015-04-17 17:48:22 +02:00
libavresample Merge commit '12655c4804' 2015-02-22 00:06:23 +01:00
libavutil avcodec/mips: MSA (MIPS-SIMD-Arch) optimizations for HEVC horizontal and vertical mc functions 2015-04-17 17:39:32 +02:00
libpostproc postproc: Removed unecessary if/else branch when getting QP. 2015-03-28 01:49:12 +01:00
libswresample swresample/swresample-test: Randomly wipe out channel counts 2015-04-12 22:21:53 +02:00
libswscale swscale/output: Fix undefined shifts 2015-03-25 18:31:25 +01:00
presets presets: remove moldering iPod presets 2014-06-17 16:15:04 -08:00
tests avcodec/mpegaudiodec_template: use double to build csa tables 2015-04-17 13:50:37 +02:00
tools tools/sidxindex: Use av_*malloc_array() 2015-04-01 17:43:25 +02:00
.gitattributes Treat all '*.pnm' files as non-text file 2014-11-28 17:52:43 -05:00
.gitignore doc/examples: add directory listing example 2015-03-28 03:13:44 +01:00
arch.mak Makefile: Add support for MSA (MIPS-SIMD-Arch) 2015-04-17 17:38:41 +02:00
Changelog avfilter: add chorus filter 2015-04-11 20:39:43 +00:00
cmdutils.c cmdutils: fix "Commmand" typo 2015-04-03 10:43:21 -08:00
cmdutils.h opts: add list device sources/sinks options 2014-10-25 20:20:31 +02:00
cmdutils_common_opts.h opts: add list device sources/sinks options 2014-10-25 20:20:31 +02:00
cmdutils_opencl.c cmdutils_opencl: Use av_malloc_array() 2014-07-01 03:49:36 +02:00
common.mak x86: Makefile: fix DBG parameter evaluation 2015-03-11 01:54:07 +01:00
configure configure: remove old libdcadec check 2015-04-16 20:10:19 -03:00
COPYING.GPLv2
COPYING.GPLv3
COPYING.LGPLv2.1 cosmetics: Delete empty lines at end of file. 2012-02-09 12:26:45 +01:00
COPYING.LGPLv3
CREDITS CREDITS: redirect to Git log, remove current outdated content 2013-01-31 18:02:52 +01:00
ffmpeg.c Merge commit '3892bdab9b' 2015-04-04 00:38:02 +02:00
ffmpeg.h ffmpeg: last frame duplication heuristic 2015-04-03 19:09:31 +02:00
ffmpeg_dxva2.c ffmpeg_dxva2: add hevc support 2015-01-27 12:37:34 +01:00
ffmpeg_filter.c ffmpeg: fix accurate seeking with -copyts 2014-11-24 17:31:26 +01:00
ffmpeg_opt.c Merge commit '3892bdab9b' 2015-04-04 00:38:02 +02:00
ffmpeg_vda.c vda: Cast to not discard constant qualifier and silence compiler warning 2015-04-09 01:23:33 +02:00
ffmpeg_vdpau.c Merge commit '1f9237f2ac' 2014-12-27 13:26:38 +01:00
ffplay.c Merge commit 'd450cb07d9' 2015-03-22 03:51:49 +01:00
ffprobe.c Merge commit '7b9cb7b365' 2015-03-08 23:58:18 +01:00
ffserver.c ffserver: remove stale debug stanza 2015-03-08 18:24:56 -03:00
ffserver_config.c ffserver_config: reflow add_codec() 2014-12-09 01:03:01 -03:00
ffserver_config.h ffserver: dont leak child arguments 2014-11-26 23:32:33 +01:00
INSTALL.md INSTALL: add markdown syntax 2014-05-28 22:38:38 +02:00
library.mak x86/doc/Makefile: DBG=1 to preprocess external asm 2015-02-17 13:08:04 +01:00
LICENSE.md LICENSE.md: Formatting updates 2015-02-12 01:53:56 +01:00
MAINTAINERS MAINTAINERS: Add Lou Logan as server admin as he is root too 2015-04-06 20:24:05 +02:00
Makefile Makefile: Add support for MSA (MIPS-SIMD-Arch) 2015-04-17 17:38:41 +02:00
README.md README: add ffserver 2015-02-12 11:59:22 +01:00
RELEASE RELEASE: update to 2.6.git 2015-03-08 18:59:57 -03:00
version.sh version.sh: Print versions based on the last git tag for release branches 2014-07-28 15:44:59 +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.