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Martin Storsjö 585dc1aece flvdec: Check the avio_seek return value after reading a metadata packet 
If the metadata packet is corrupted, flv_read_metabody can accidentally
read past the start of the next packet. If the start of the next packet
had been flushed out of the IO buffer, we would be unable to seek to
the right position (on a nonseekable stream).

Prefer to clearly error out instead of silently trying to read from a
desynced stream which will only be interpreted as garbage.

Signed-off-by: Martin Storsjö <martin@martin.st>
2017-09-04 09:42:51 +03:00
avbuild msvc: Properly specify dllexport for data symbols shared across dll boundaries 2017-08-31 14:22:06 +03:00
avtools avconv: when using -loop option bail out if seek to start fails 2017-07-28 13:13:44 +02:00
compat makedef: Extend the script for use with mingw tools as well 2017-08-31 14:22:18 +03:00
doc lavf: make avio_read_partial() public 2017-08-30 14:29:14 +02:00
libavcodec arm: Fix SIGBUS on ARM when compiled with binutils 2.29 2017-09-02 22:18:20 +03:00
libavdevice avfoundation: update to use AVCodecParameters 2017-04-26 11:47:31 -04:00
libavfilter yadif: Account for the buffer alignment while processing the frame edges 2017-08-22 22:31:19 +02:00
libavformat flvdec: Check the avio_seek return value after reading a metadata packet 2017-09-04 09:42:51 +03:00
libavresample Bump major versions of all libraries 2017-03-23 09:56:20 +01:00
libavutil msvc: Properly specify dllexport for data symbols shared across dll boundaries 2017-08-31 14:22:06 +03:00
libswscale swscale: Do not expand a macro with 'defined' in it 2017-08-28 10:26:14 +02:00
presets presets: spelling error in libvpx 1080p50_60 2011-10-22 00:28:56 +02:00
tests Revert "checkasm: Test more h264 idct variants" 2017-09-02 22:23:30 +03:00
tools Remove support for building for mingw32ce (Windows CE) 2017-08-31 14:21:08 +03:00
.gitattributes Treat all '*.pnm' files as non-text file 2014-11-28 17:52:43 -05:00
.gitignore build: Ignore generated .version files 2017-02-03 11:37:53 +01:00
.travis.yml travis: Exclude gcc for the macOS target 2017-04-20 12:53:08 +02:00
Changelog hevcdec: add a CUVID hwaccel 2017-07-28 14:12:56 +02:00
configure configure: Use dllexport/dllimport for data symbols across DLLs with mingw 2017-08-31 14:22:22 +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 partially rename FFmpeg to Libav 2011-03-16 21:54:39 +01:00
INSTALL doc: clarify configure features 2011-04-07 02:54:12 +02:00
LICENSE Remove the legacy X11 screen grabber 2016-07-29 19:03:10 +02:00
Makefile build: Allow generating dependencies as a side-effect of assembling 2017-03-01 10:18:15 +01:00
README.md doc: Add travis badge 2015-09-14 00:19:08 +02:00
RELEASE Make the RELEASE file match with the most recent tag 2016-10-14 13:52:51 -04:00

README.md

Libav

Build Status

Libav 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.
  • libavresample implements audio mixing and resampling routines.
  • libswscale implements color conversion and scaling routines.

Tools

  • avconv is a command line toolbox to manipulate, convert and stream multimedia content.
  • avplay is a minimalistic multimedia player.
  • avprobe is a simple analisys 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

Conding examples are available in the doc/example directory.

License

Libav codebase is mainly LGPL-licensed with optional components licensed under GPL. Please refer to the LICENSE file for detailed information.