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Janne Grunau 6a1ea4ec93
arm: warn/error on movrelx usage problematic with PIC on ELF 		8 years ago
compat w32pthreads: Fix function pointer casts 8 years ago
doc utils: Add av_stream_add_side_data() 8 years ago
libavcodec aarch64: vp9itxfm: Don't repeatedly set x9 when nothing overwrites it 8 years ago
libavdevice Use avpriv_report_missing_feature() where appropriate 8 years ago
libavfilter af_asyncts: Use llabs instead of labs for 64-bit variable 8 years ago
libavformat rtmpdh: Do global initialization before running the test 8 years ago
libavresample Fix some mismatches between function parameter and doxygen parameter names. 8 years ago
libavutil arm: warn/error on movrelx usage problematic with PIC on ELF 8 years ago
libswscale swscale: Add GRAY12 8 years ago
presets presets: spelling error in libvpx 1080p50_60 13 years ago
tests checkasm: vp9dsp: benchmark all sub-IDCTs (but not WHT or ADST). 8 years ago
tools qt-faststart: Do not try to use fancy 64-bit seeking functions on mingw32ce 8 years ago
.gitattributes Treat all '*.pnm' files as non-text file 10 years ago
.gitignore build: Ignore generated mapfile and remove it on distclean 9 years ago
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INSTALL
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avconv.c avconv: Drop stray leftover debug output 8 years ago
avconv.h avconv: support parsing bitstream filter options 8 years ago
avconv_dxva2.c avconv_dxva2: add a profile check for hevc 8 years ago
avconv_filter.c avconv: make sure the filtergraph is freed on init failure 8 years ago
avconv_opt.c avconv_opt: Consistently iterate through hwaccels array in all cases 8 years ago
avconv_qsv.c avconv_qsv: use the actual pixel format provided by lavc 8 years ago
avconv_vaapi.c avconv_vaapi: Convert to use hw_frames_ctx only 8 years ago
avconv_vda.c avconv: vda: Unlock the pixel buffer once it is accessed 9 years ago
avconv_vdpau.c avconv_vdpau: use the hwcontext device creation API 9 years ago
avplay.c avplay: Correct function pointer assignments in options array 8 years ago
avprobe.c avprobe: Add -show_stream_entry to get a single stream property 8 years ago
cmdutils.c avconv: switch to the new BSF API 9 years ago
cmdutils.h avconv: use read_file() for reading the 2pass stats 9 years ago
cmdutils_common_opts.h avplay: Accept cpuflags option 11 years ago
common.mak build: Simplify postprocessing of linker version script files 9 years ago
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library.mak build: Drop duplicate asm recipe 8 years ago
version.sh build: remove hardcoded name of version header 8 years ago

README.md

Libav

Build Status

Libav 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.
  • libavresample implements audio mixing and resampling routines.
  • libswscale implements color conversion and scaling routines.

Tools

  • avconv is a command line toolbox to manipulate, convert and stream multimedia content.
  • avplay is a minimalistic multimedia player.
  • avprobe 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

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