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wm4 114c0f002a avcodec/mp3: fix skipping zeros 
Commits 43bc5cf9 and c5371f77 add code for skipping initial zeros in mp3
packets. This code forgot to report to the user that data was skipped at
all.

Since audio codecs allow partial packet decoding, the user application
has to rely on the return value. It will remove the data reported as
consumed by the decoder, and feed it to the decoder again. This resulted
in the mp3 frame after the zero region to be decoded over and over
again, until the zero region was finally skipped by the application.

Fix this by including the amount of skipped bytes to the number of
consumed bytes returned by the decode call.

Fixes trac ticket #4890.
(cherry picked from commit cb1da9fb8d)
2015-10-09 21:29:03 +02:00
compat compat/os2threads: Check av_malloc() return code 2015-06-02 15:16:45 +02:00
doc doc: mention libavcodec can decode Opus natively 2015-09-20 23:28:53 -03:00
libavcodec avcodec/mp3: fix skipping zeros 2015-10-09 21:29:03 +02:00
libavdevice doc: avoid incorrect phrase 'allows to' 2015-06-19 20:31:44 +02:00
libavfilter avfilter/af_aresample: Check ff_all_* for allocation failures 2015-07-18 20:23:46 +02:00
libavformat avformat/srtdec: make sure we probe a number 2015-10-09 21:28:20 +02:00
libavresample Merge commit 'd68c05380cebf563915412182643a8be04ef890b' 2015-06-01 00:22:47 +02:00
libavutil avutil/fifo: Fix the case where func() returns less bytes than requested in av_fifo_generic_write() 2015-07-18 20:23:46 +02:00
libpostproc postproc: fix unaligned access 2015-06-19 18:40:49 +02:00
libswresample swr: Remember previously set int_sample_format from user 2015-07-18 20:23:44 +02:00
libswscale swscale/utils: Clear pix buffers 2015-07-18 20:23:46 +02:00
presets
tests fate: Force jpeg2000 decoder for dcinema 2015-06-09 20:09:12 +02:00
tools tools/graph2dot: use larger data types than int for array/string sizes 2015-05-12 04:01:25 +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 Merge commit 'eecd29b3fd7fee221580798346d6582b75c7ade4' 2015-05-31 23:42:36 +02:00
Changelog Changelog update 2015-07-19 10:56:11 +02:00
cmdutils_common_opts.h opts: add list device sources/sinks options 2014-10-25 20:20:31 +02:00
cmdutils_opencl.c OpenCL: Avoid potential buffer overflow in cmdutils_opencl.c 2015-04-28 12:18:23 +02:00
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 x86: Makefile: fix DBG parameter evaluation 2015-03-11 01:54:07 +01:00
configure configure: Check for x265_api_get 2015-06-27 11:51:48 +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 Merge commit '1f9237f2ac46dfbed1bfa1f4f0f1314c2a1d62ec' 2014-12-27 13:26:38 +01:00
ffmpeg.c ffmpeg: only count got_output/errors in decode_error_stat 2015-07-19 09:43:05 +02:00
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 LICENSE.md: add *_rect filters 2015-05-03 01:43:30 +02:00
MAINTAINERS MAINTAINERS: Remove myself as leader 2015-07-31 18:35:30 +02:00
Makefile makefile: add Loongson-3 support 2015-04-27 14:10:28 +02:00
README.md README: add ffserver 2015-02-12 11:59:22 +01:00
RELEASE Update for FFmpeg 2.7.2 2015-07-18 20:53:40 +02:00
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.