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Andreas Rheinhardt 239c7369e0 avformat/matroskadec: Improve read error/EOF checks I 
ebml_read_num had a number of flaws:

1. The check for read errors/EOF was totally wrong. E.g. an EBML number
beginning with the invalid 0x00 would be considered a read error,
although it is just invalid data.
2. The check for read errors/EOF was done just once, after reading the
first byte of the EBML number. But errors/EOF can happen inbetween, of
course, and this wasn't checked.
3. There was no way to distinguish when EOF should be an error (because
the data has to be there) for which an error message should be emitted
and when it is not necessarily an error (namely during parsing of EBML
IDs). Such a possibility has been added and used.

All this was fixed; furthermore, the error messages for invalid EBML
numbers were improved and useless initializations were removed.

Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@gmail.com>
2019-06-24 22:19:03 -03:00
compat compat/cuda/ptx2c: don't drop final newline 2019-05-24 19:23:39 +02:00
doc avformat/hlsenc: better error log message for var_stream_map content 2019-06-24 17:43:39 +08:00
ffbuild Merge commit '7e5bde93a1e7641e1622814dafac0be3f413d79b' 2019-03-10 19:31:13 -03:00
fftools ffprobe: Fix memory leak 2019-06-21 15:40:58 +01:00
libavcodec lavc/tableprint_vlc: Remove avpriv_request_sample() from included files. 2019-06-24 00:19:03 +02:00
libavdevice libavdevice/gdigrab: fix ffmpeg -devices doesn't show gdigrab 2019-05-17 21:51:20 +08:00
libavfilter lavfi/af_asetnsamples: Remove the redundant condition check 2019-06-18 23:27:07 +08:00
libavformat avformat/matroskadec: Improve read error/EOF checks I 2019-06-24 22:19:03 -03:00
libavresample avresample: remove deprecated attribute from the AVAudioResampleContext struct 2018-01-09 10:56:53 -03:00
libavutil avutil: add FF_DECODE_ERROR_CONCEALMENT_ACTIVE flag for AVFrame.decode_error_flags 2019-06-16 09:56:43 +02:00
libpostproc postproc/postprocess_template: remove FF_REG_sp from clobber list 2018-12-22 17:41:44 +01:00
libswresample swresample/swresample: check for invalid sample rates 2019-05-26 14:43:32 +02:00
libswscale swscale/tests/swscale: Lengthen pixfmt name buffer to 21 bytes 2019-05-13 13:39:49 +02:00
presets
tests fate: add VP4 test 2019-06-12 20:06:20 +10:00
tools tools/target_dec_fuzzer: Also fuzz extradata 2019-06-14 21:36:39 +02:00
.gitattributes fate: add SCC test 2017-01-27 17:06:42 +01:00
.gitignore Remove the ffserver program 2018-01-06 18:31:37 +00:00
.travis.yml Merge commit '899ee03088d55152a48830df0899887f055da1de' 2019-03-14 15:53:16 -03:00
Changelog avformat/ifv: added support for ifv cctv files 2019-06-21 22:02:14 +10:00
configure configure: print_in_columns: Replace pr with awk 2019-06-24 23:25:56 +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: Clarify --enable-nonfree. 2019-05-10 01:18:58 +02:00
MAINTAINERS MAINTAINERS: remove myself as mailing list maintainer 2019-03-21 11:34:13 -08:00
Makefile tools: Add fuzzer for demuxers 2019-05-31 22:44:30 +02:00
README.md Remove the ffserver program 2018-01-06 18:31:37 +00:00
RELEASE RELEASE: bump to 4.1.git 2018-11-02 00:55:49 +01:00

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.