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Gilles Chanteperdrix 73029abddc libavformat/rtpdec: fix issue with conversion from unsigned to signed 
When receiving an RTCP packet, the difference between the last RTCP
timestamp and the base timestamp may be negative. As these timestamps
are of the uint32_t type, the result becomes a large integer. Cast
the difference to int32_t to avoid this issue.

The result of this issue is very large start times for RTSP
streams, and difficulty to restart correctly after a pause.

Signed-off-by: Gilles Chanteperdrix <gilles.chanteperdrix@xenomai.org>
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
2015-02-21 14:18:52 +01:00
compat compat/avisynth/windowsPorts/windows2linux: Add () to protect macro arguments 2015-02-18 01:49:35 +01:00
doc Merge commit 'a982c5d74f' 2015-02-21 12:08:31 +01:00
libavcodec Merge commit 'a06b0b1295' 2015-02-21 11:53:00 +01:00
libavdevice Merge commit '81ef46020f' 2015-02-16 02:56:17 +01:00
libavfilter avfilter/vf_eq: Add process_command to eq. 2015-02-20 00:06:37 +01:00
libavformat libavformat/rtpdec: fix issue with conversion from unsigned to signed 2015-02-21 14:18:52 +01:00
libavresample Merge commit 'df0891fc8f' 2015-02-20 22:13:07 +01:00
libavutil Merge commit '76ce9bd8e2' 2015-02-21 11:15:32 +01:00
libpostproc Add FFMPEG_VERSION into the binary libs 2014-12-19 19:32:40 +01:00
libswresample swresample: add av_cold to init functions 2015-02-21 00:33:09 +01:00
libswscale swscale/bayer_template: Add () to protect the argument of BAYER_READ() 2015-02-18 01:55:15 +01:00
presets presets: remove moldering iPod presets 2014-06-17 16:15:04 -08:00
tests Merge commit 'a982c5d74f' 2015-02-21 12:08:31 +01:00
tools tools/crypto_bench: add Camellia support 2015-01-26 13:37:57 -03:00
.gitattributes Treat all '*.pnm' files as non-text file 2014-11-28 17:52:43 -05:00
.gitignore Merge commit '11e0553317' 2015-02-02 21:16:15 +01:00
arch.mak Merge commit '8675bcb0ad' 2014-04-07 02:15:18 +02:00
Changelog avformat/movenc: Move avid DNxHD padding to the correct spot 2015-02-20 12:17:14 +01:00
cmdutils.c cmdutils: fix success path 2015-02-11 17:28:11 +01:00
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 Makefile: improve DBG option for asm 2015-02-21 03:23:55 +01:00
configure Merge commit '11c22dfd49' 2015-02-19 21:12:19 +01:00
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 ffmpeg: Print negative times like "-00:05:01.22" instead of "00:-5:-1.-22" 2015-02-11 11:22:27 +01:00
ffmpeg.h ffmpeg: Make CFR frame drop threshold user adjustable 2015-02-04 02:40:41 +01:00
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 ffmpeg_opt: Add missing MATCH_PER_TYPE_OPT() for data codecs 2015-02-18 22:13:35 +01:00
ffmpeg_vda.c Merge commit '1839fafa95' 2014-05-12 02:44:28 +02:00
ffmpeg_vdpau.c Merge commit '1f9237f2ac' 2014-12-27 13:26:38 +01:00
ffplay.c Merge commit '733f4b05f0' 2015-02-17 21:16:34 +01:00
ffprobe.c Merge commit 'bf704132a5' 2015-02-14 21:27:44 +01:00
ffserver.c ffserver: fix wrong indentation 2015-02-15 15:15:41 -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 Oleksij as maintainer for DSS* 2015-02-20 16:17:46 +01:00
Makefile Makefile: add dependencies which require ffversion.h 2014-12-20 04:17:03 +01:00
README.md README: add ffserver 2015-02-12 11:59:22 +01:00
RELEASE RELEASE: Bump 2014-12-04 11:44:35 +01:00
RELEASE_NOTES avformat/mov: Disable XMP metadata by default 2014-12-11 21:47:37 +01:00
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.