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Aaron Levinson f125c54b7a avutil/hwcontext_dxva2: Don't improperly free IDirect3DSurface9 objects Add dxva2_pool_release_dummy() and use it in call to av_buffer_create() in dxva2_pool_alloc(). Prior to this change, av_buffer_create() was called with NULL for the third argument, which indicates that av_buffer_default_free() should be used to free the buffer's data. Eventually, it gets to buffer_pool_free() and calls buf->free() on a surface object (which is av_buffer_default_free()). This can result in a crash when the debug version of the C-runtime is used on Windows. While it doesn't appear to result in a crash when the release version of the C-runtime is used on Windows, it likely results in memory corruption, since av_free() is being called on memory that was allocated using IDirectXVideoAccelerationService::CreateSurface(). Signed-off-by: Aaron Levinson <alevinsn@aracnet.com> Reviewed-by: wm4 <nfxjfg@googlemail.com> Reviewed-by: Steven Liu <lingjiujianke@gmail.com> Reviewed-by: Mark Thompson <sw@jkqxz.net> (cherry picked from commit `0c1c514643`)		2017-05-16 22:04:49 +01:00
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libavcodec	avcodec/aac_adtstoasc: fix ASC passthrough on small frames	2017-05-16 11:35:15 -03:00
libavdevice	…
libavfilter	avfilter/vf_uspp: Fix currently unused input frame dimensions	2017-05-16 16:00:23 +02:00
libavformat	avformat/utils: free AVStream.codec properly in free_stream()	2017-05-16 11:33:35 -03:00
libavresample	…
libavutil	avutil/hwcontext_dxva2: Don't improperly free IDirect3DSurface9 objects	2017-05-16 22:04:49 +01:00
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libswscale	libswscale/tests/swscale: Fix uninitialized variables	2017-05-16 16:00:23 +02:00
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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.

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. Few developers follow pull requests so they will likely be ignored.