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Aaron Levinson bceb3d0f86 Support building C++ files with MSVC 
Made appropriate changes to be able to successfully
build C++ files using a Visual C++ build on Windows.

Based on an earlier patch by Kyle Schwarz.

Comments:

-- compat/w32pthreads.h: Made appropriate changes to w32pthreads.h to
   get it to build when it is being included in a C++ file and built
   with Visual C++.  This is mostly a copy of Kyle Schwarz's patch as
   described above.

-- configure:
a) Now calling set_ccvars CXX to cause the various CXX_ variables to
   be setup properly.  For example, with MSVC (Microsoft Visual C++),
   this causes CXX_O to be set to -Fo$@ instead of using the default
   value.  The default value does not work with Visual C++.  This
   change will also have the impact of correcting CXX_O (and possibly
   CXX_C) for other compilers, although this is really only relevant
   for the Intel compiler, in addition to MSVC.
b) Now using cl for the C++ compiler for the MSVC toolchain.  This is
   currently only relevant for building the
   Blackmagic/Decklink-related files under avdevice.

Signed-off-by: Hendrik Leppkes <h.leppkes@gmail.com>
2017-04-13 23:57:31 +02:00
compat Support building C++ files with MSVC 2017-04-13 23:57:31 +02:00
doc doc/APIchanges: Fill in missing fields 2017-04-12 02:01:37 +02:00
libavcodec Merge commit 'd5759701a82926059ae3e2530805e900041a5419' 2017-04-13 18:18:54 -03:00
libavdevice Merge commit '4a1ef543983b7480e2822f6ac281ba361d1f893d' 2017-04-09 14:22:43 +02:00
libavfilter avfilter/vf_framerate: always request input if no output is provided in request_frame 2017-04-12 20:21:11 +02:00
libavformat Merge commit '9265364bec0af2e8b7c3a6de7bfc8291a0b70bca' 2017-04-13 11:06:27 +02:00
libavresample Merge commit 'a1d9de304fe63614e3aa8117fef17491fa80093d' 2017-04-03 20:41:16 +02:00
libavutil Merge commit '2170017a1cd033b6f28e16476921022712a522d8' 2017-04-13 18:25:30 -03:00
libpostproc Bump versions for master after 3.3 2017-04-02 19:54:12 +02:00
libswresample Bump versions for master after 3.3 2017-04-02 19:54:12 +02:00
libswscale lsws/utils: Make gray10 and gray12 full-scale like gray8 and gray16. 2017-04-12 23:00:04 +02:00
presets presets: remove moldering iPod presets 2014-06-17 16:15:04 -08:00
tests tests: Fix gray10 and gray12 references after c1616b45. 2017-04-13 08:19:48 +02:00
tools Merge commit '3e105d08848162b90d886bde59c010d4b0362a4b' 2017-04-13 17:17:20 -03:00
.gitattributes fate: add SCC test 2017-01-27 17:06:42 +01:00
.gitignore Merge commit '6641819feedb086ebba3d2be89b8d33980f367e1' 2016-06-26 15:43:05 +02:00
.travis.yml Merge commit 'eda183287489b2c705843aa373a19c4e46fb2fec' 2015-11-22 17:12:24 +00:00
arch.mak mips: rename mipsdspr1 to mipsdsp 2015-12-04 02:35:42 +01:00
Changelog Changelog: fix position of VAAPI MPEG-2/VP8 encode entry 2017-04-02 23:18:42 +01:00
cmdutils_common_opts.h cmdutils: add show_demuxers and show_muxers 2016-11-08 01:56:31 +01:00
cmdutils_opencl.c cmdutils_opencl: fix resource_leak cid 1396852 2017-01-13 07:54:49 +08:00
cmdutils.c avformat, ffmpeg: deprecate old rotation API 2017-03-27 13:20:27 +02:00
cmdutils.h cmdutils: add show_demuxers and show_muxers 2016-11-08 01:56:31 +01:00
common.mak Merge commit 'c833c2034f4ee77fe2ee3470f3f5f84415673b3b' 2017-04-13 17:22:58 -03:00
configure Support building C++ files with MSVC 2017-04-13 23:57:31 +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
ffmpeg_cuvid.c ffmpeg_cuvid: adapt for recent filter graph initialization changes 2017-03-03 08:45:43 +01:00
ffmpeg_dxva2.c Merge commit '18c506e9e6e8df8b1d496d093077b8240ea68c28' 2016-06-26 15:34:01 +02:00
ffmpeg_filter.c ffmpeg: Remove hw_device_ctx output filter reinit hack 2017-03-26 20:38:44 +01:00
ffmpeg_opt.c Merge commit '01348e411f962f5e4605d649fc9a47a54587ba8e' 2017-03-31 16:46:00 -03:00
ffmpeg_qsv.c ffmpeg: init filtergraphs only after we have a frame on each input 2017-03-03 08:45:43 +01:00
ffmpeg_vaapi.c ffmpeg_vaapi: Always set hwaccel_ctx, so it gets properly cleaned up on error 2017-02-05 15:13:15 +00:00
ffmpeg_vdpau.c Merge commit 'f72db3f2f3a8c83a4f5dede8fa03434b2bf676c6' 2016-06-26 15:29:39 +02:00
ffmpeg_videotoolbox.c ffmpeg_videotoolbox: fix usage of av_get_codec_tag_string() 2017-03-29 14:49:29 +02:00
ffmpeg.c ffmpeg: use av_stream_new_side_data() in init_output_stream 2017-04-08 01:12:57 -03:00
ffmpeg.h avformat, ffmpeg: deprecate old rotation API 2017-03-27 13:20:27 +02:00
ffplay.c ffplay: change keyboard volume control to logarithmic 2017-02-08 22:36:42 +01:00
ffprobe.c ffprobe: only use custom logging callback if -show_log is set 2017-04-12 20:21:11 +02:00
ffserver_config.c ffserver_config: Check for failure to allocate FFServerIPAddressACL 2016-12-22 19:23:08 +01:00
ffserver_config.h ffsrever: Make the status page bitexact if any stream is bitexact 2016-11-29 19:26:26 +01:00
ffserver.c ffserver: local OOB write with custom program name 2017-01-08 03:50:56 +01:00
INSTALL.md
library.mak Merge commit '3794062ab1a13442b06f6d76c54dce51ffa54697' 2017-04-09 14:52:00 +02:00
LICENSE.md Merge commit '4fef648d10bf3bcfd4b8fa5755c1128966a2427c' 2017-03-15 22:07:47 +01:00
MAINTAINERS MAINTAINERS: Add Rodger Combs to ffmpeg-security 2017-02-28 01:13:52 +01:00
Makefile Merge commit 'c833c2034f4ee77fe2ee3470f3f5f84415673b3b' 2017-04-13 17:22:58 -03:00
README.md Add CONTRIBUTING.md 2016-09-18 10:02:13 +01:00
RELEASE Bump minor versions for master after release/3.3 branchpoint 2017-03-31 13:21:06 +02:00
version.sh version.sh: Fix spurious rebuilds. 2016-03-10 09:53:10 +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.
  • 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 and will be ignored.