avformat/utils: Clear pointer in ff_alloc_extradata() to avoid leaving a stale pointer in memory

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
1 file changed
tree: ebc2dd6f6fcd4cd9ae4771e80225c92808f32ecb
  1. .gitignore
  2. BUILD.gn
  3. COPYING.GPLv2
  4. COPYING.GPLv3
  5. COPYING.LGPLv2.1
  6. COPYING.LGPLv3
  7. CREDITS
  8. Changelog
  9. INSTALL.md
  10. LICENSE.md
  11. MAINTAINERS
  12. Makefile
  13. OWNERS
  14. PRESUBMIT.py
  15. README.chromium
  16. README.md
  17. RELEASE
  18. RELEASE_NOTES
  19. arch.mak
  20. chromium/
  21. cmdutils.c
  22. cmdutils.h
  23. cmdutils_common_opts.h
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  25. codereview.settings
  26. common.mak
  27. compat/
  28. configure
  29. doc/
  30. ffmpeg.c
  31. ffmpeg.gyp
  32. ffmpeg.h
  33. ffmpeg_dxva2.c
  34. ffmpeg_filter.c
  35. ffmpeg_generated.gni
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  37. ffmpeg_opt.c
  38. ffmpeg_options.gni
  39. ffmpeg_vda.c
  40. ffmpeg_vdpau.c
  41. ffmpegsumo.ver
  42. ffplay.c
  43. ffprobe.c
  44. ffserver.c
  45. libavcodec/
  46. libavdevice/
  47. libavfilter/
  48. libavformat/
  49. libavresample/
  50. libavutil/
  51. libpostproc/
  52. library.mak
  53. libswresample/
  54. libswscale/
  55. presets/
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  58. version.sh
  59. xcode_hack.c
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 analisys 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

Conding examples are available in the doc/example directory.

License

FFmpeg codebase is mainly LGPL-licensed with optional components licensed under GPL. Please refer to the LICENSE file for detailed information.