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and remove the redundant check. This check for whether the allocated buffer is sufficient has been added in commit1cbf7fb434(merging commit5775a1832c). It is not sufficient to detect invalid input lists (namely lists with duplicates); its only use is to avoid buffer overflows. And this can be achieved by simpler means: Make sure that one allocates space for so many elements as the outer loop ranges over and break out of the inner loop if a match has been found. For valid input without duplicates, no further match will be found anyway. This change will temporarily make the allocated formats array larger than before and larger than necessary; this will be fixed in a later commit that avoids the allocation altogether. If a check for duplicates in the lists is deemed necessary, it should be done properly somewhere else. Finally, the error message that is removed in this commit used __FUNCTION__, which is a GCC extension (C99 added __func__ for this). So this commit removes a warning when compiling in -pedantic mode. Reviewed-by: Nicolas George <george@nsup.org> Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@gmail.com>
FFmpeg README
FFmpeg is a collection of libraries and tools to process multimedia content such as audio, video, subtitles and related metadata.
Libraries
libavcodecprovides implementation of a wider range of codecs.libavformatimplements streaming protocols, container formats and basic I/O access.libavutilincludes hashers, decompressors and miscellaneous utility functions.libavfilterprovides a mean to alter decoded Audio and Video through chain of filters.libavdeviceprovides an abstraction to access capture and playback devices.libswresampleimplements audio mixing and resampling routines.libswscaleimplements 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,ismindexandqt-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.