MrBesen/ffmpeg
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Andreas Rheinhardt 9bde6c6be0 avformat/microdvd: Use \n instead of \0 to end file header 
Up until now, the microdvd demuxer uses av_strdup() to allocate the
extradata from a string; its length is set to strlen() + 1, i.e.
including the \0 at the end. Upon remuxing, the muxer would simply copy
the extradata at the beginning, including the \0.

This commit changes this by not adding the \0 to the size of the
extradata; the muxer now delimits extradata by inserting a \n. This
required to change the subtitles-microdvd-remux FATE-test.

Furthermore, the extradata is now allocated with zeroed padding.

The microdvd decoder is not affected by this, as it didn't use the size
of the extradata at all, but treated it as a C-string.

Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@gmail.com>
Reviewed-by: Paul B Mahol <onemda@gmail.com>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2019-12-27 12:38:08 +01:00
compat compat/cuda: Change inclusion guards 2019-08-05 12:07:09 +02:00
doc avutil/buffer: add av_buffer_pool_buffer_get_opaque 2019-12-26 00:47:24 +01:00
ffbuild build: add support for building CUDA files with clang 2019-08-04 19:08:08 +02:00
fftools fftools/cmdutils: Fix break command dump for -map option 2019-12-23 09:46:51 +08:00
libavcodec avcodec/vc1dec: remove the unneeded () 2019-12-26 22:22:33 +01:00
libavdevice avdevice/xcbgrab: use a buffer pool for shared memory segments 2019-12-26 00:47:24 +01:00
libavfilter avfilter/vf_histogram: use the name 's' for the pointer to the private context 2019-12-26 20:45:20 +01:00
libavformat avformat/microdvd: Use \n instead of \0 to end file header 2019-12-27 12:38:08 +01:00
libavresample avresample: remove deprecated attribute from the AVAudioResampleContext struct 2018-01-09 10:56:53 -03:00
libavutil avutil/buffer: add av_buffer_pool_buffer_get_opaque 2019-12-26 00:47:24 +01:00
libpostproc Bump minor versions again on master to keep 4.2 versions separate from master 2019-07-21 18:36:31 +02:00
libswresample swresample/audioconvert: fix invalid left shift for 64bit sample format 2019-09-26 16:22:47 +02:00
libswscale swscale/aarch64: use multiply accumulate and increase vector factor to 4 2019-12-17 23:41:47 +01:00
presets
tests avformat/microdvd: Use \n instead of \0 to end file header 2019-12-27 12:38:08 +01:00
tools tools/target_dec_fuzzer: Adjust threshold for dst 2019-12-15 01:01:22 +01:00
.gitattributes fate: add SCC test 2017-01-27 17:06:42 +01:00
.gitignore tools/python: add script to convert TensorFlow model (.pb) to native model (.model) 2019-07-01 10:23:47 -03:00
.travis.yml Merge commit '899ee03088d55152a48830df0899887f055da1de' 2019-03-14 15:53:16 -03:00
Changelog Changelog: Fix typo of comments 2019-12-23 22:13:48 +08:00
configure fate: Add an option for disabling the 2k/4k tests 2019-12-17 10:22:29 +02:00
CONTRIBUTING.md Add CONTRIBUTING.md 2016-09-18 10:02:13 +01:00
COPYING.GPLv2
COPYING.GPLv3
COPYING.LGPLv2.1
COPYING.LGPLv3
CREDITS
INSTALL.md INSTALL.md: Fix Markdown formatting 2019-01-31 10:29:16 -09:00
LICENSE.md LICENSE: Add missing libraries that need --enable-version3. 2019-08-12 02:25:39 +02:00
MAINTAINERS MAINTAINERS: add myself as libxavs2 maintainer 2019-12-07 19:34:57 +01:00
Makefile tools: add a fuzzer tool for bitstream filters 2019-12-05 20:49:15 -03:00
README.md Remove the ffserver program 2018-01-06 18:31:37 +00:00
RELEASE RELEASE: Update value for post 4.2 branch 2019-07-21 18:37:32 +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.
  • 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.

Contributing

Patches should be submitted to the ffmpeg-devel mailing list using git format-patch or git send-email. Github pull requests should be avoided because they are not part of our review process and will be ignored.