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Andreas Cadhalpun 8b30abd020 ffm: reject invalid codec_id and codec_type 
A negative codec_id cannot be handled by the found_decoder API of
AVStream->info: if the codec_id is not recognized, found_decoder is set
to -codec_id, which has to be '<0' according to the API documentation.

This can cause NULL pointer dereferencing in try_decode_frame.

Also make sure the codec_type matches the expected one for codec_id.

Reviewed-by: Michael Niedermayer <michael@niedermayer.cc>
Signed-off-by: Andreas Cadhalpun <Andreas.Cadhalpun@googlemail.com>
(cherry picked from commit ecf63b7cc2)
Signed-off-by: Andreas Cadhalpun <Andreas.Cadhalpun@googlemail.com>
2015-12-17 21:20:34 +01:00
compat compat/os2threads: Check av_malloc() return code 2015-06-02 15:16:45 +02:00
doc doc/filters/drawtext: fix centering example 2015-12-01 17:32:45 -08:00
libavcodec golomb: always check for invalid UE golomb codes in get_ue_golomb 2015-12-17 21:20:29 +01:00
libavdevice doc: avoid incorrect phrase 'allows to' 2015-06-19 20:31:44 +02:00
libavfilter avfilter/af_asyncts: use llabs for int64_t 2015-11-12 02:55:46 +01:00
libavformat ffm: reject invalid codec_id and codec_type 2015-12-17 21:20:34 +01:00
libavresample Merge commit 'd68c05380cebf563915412182643a8be04ef890b' 2015-06-01 00:22:47 +02:00
libavutil avutil/mathematics: Fix division by 0 2015-12-14 16:51:01 +01:00
libpostproc postproc: fix unaligned access 2015-06-19 18:40:49 +02:00
libswresample swresample/swresample: Fix integer overflow in seed calculation 2015-11-12 02:55:46 +01:00
libswscale swscale/x86/rgb2rgb_template: Fallback to mmx in interleaveBytes() if the alignment is insufficient for SSE* 2015-12-15 11:17:44 +01:00
presets
tests tests/fate/avformat: Fix fate-lavf 2015-11-12 02:55:47 +01:00
tools tools/graph2dot: use larger data types than int for array/string sizes 2015-05-12 04:01:25 +02:00
.gitattributes
.gitignore
arch.mak Merge commit 'eecd29b3fd7fee221580798346d6582b75c7ade4' 2015-05-31 23:42:36 +02:00
Changelog Changelog: update for 2.7.3 2015-11-18 20:05:22 +01:00
cmdutils_common_opts.h
cmdutils_opencl.c
cmdutils.c cmdutils: Fix sign error in display matrix auto-rotation code 2015-05-18 02:07:34 +02:00
cmdutils.h ffplay&cmdutils:Factor get_rotation() code out 2015-05-03 23:49:16 +02:00
common.mak
configure configure: loongson disable expensive optimizations in gcc O3 optimization 2015-11-12 02:55:45 +01:00
COPYING.GPLv2
COPYING.GPLv3
COPYING.LGPLv2.1
COPYING.LGPLv3
CREDITS
ffmpeg_dxva2.c ffmpeg_dxva2: call GetDesktopWindow() in place of GetShellWindow() 2015-06-03 16:25:08 +02:00
ffmpeg_filter.c ffmpeg_filter: use get_rotation() 2015-05-04 00:14:36 +02:00
ffmpeg_opt.c ffmpeg_opt: Fix forcing fourccs 2015-07-05 23:08:21 +02:00
ffmpeg_vda.c vda: unlock the pixel buffer base address. 2015-07-18 20:23:45 +02:00
ffmpeg_vdpau.c
ffmpeg.c ffmpeg: Don't try and write sdp info if none of the outputs had an rtp format. 2015-11-12 02:55:47 +01:00
ffmpeg.h ffmpeg: Do not copy the display matrix if rotation meta-data is manually added 2015-05-18 00:52:36 +02:00
ffplay.c ffplay: use av_clip() instead of nested min & max 2015-06-06 13:18:28 +02:00
ffprobe.c ffprobe: print stream_index with frame data 2015-05-27 11:19:19 +02:00
ffserver_config.c ffserver: Use singlejpeg muxer for jpeg 2015-06-08 03:36:22 +02:00
ffserver_config.h ffserver: Use singlejpeg muxer for jpeg 2015-06-08 03:36:22 +02:00
ffserver.c ffserver: Use singlejpeg muxer for jpeg 2015-06-08 03:36:22 +02:00
INSTALL.md
library.mak library.mak: Workaround SDL redefining main and breaking fate tests on mingw 2015-06-26 16:22:54 -03:00
LICENSE.md
MAINTAINERS MAINTAINERS: Remove myself as leader 2015-07-31 18:35:30 +02:00
Makefile
README.md
RELEASE Update versions for 2.7.3 2015-11-18 12:41:05 +01:00
RELEASE_NOTES add RELEASE_NOTES, based on previous 2015-06-09 23:36:06 +02:00
version.sh

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.