gnu: Add livestreamer.
* gnu/packages/video.scm (livestreamer): New variable.
gnu: Add aalib.
* gnu/packages/video.scm (aalib): New variable.
gnu: libva: Fix 'license' field.
* gnu/packages/video.scm: Import (guix licenses) with the 'license:'
prefix and adjust 'license' fields accordingly. Fixes a bug whereby
libva was referring to the 'expat' package instead of the 'expat'
license.
gnu: liba52: Pass --build to configure.
* gnu/packages/video.scm (liba52)[arguments]: Pass --build to configure.
gnu: Add mpv.
* gnu/packages/video.scm (mpv): New variable.
gnu: Add vapoursynth.
* gnu/packages/video.scm (vapoursynth): New variable.
gnu: Add libva.
* gnu/packages/video.scm (libva): New variable.
gnu: Add mplayer2.
* gnu/packages/video.scm (mplayer2): New variable.
* gnu/packages/patches/mplayer2-theora-fix.patch: New file.
* gnu-system.am (dist_patch_DATA): Add it.
gnu: liba52: Fix source URI.
* gnu/packages/video.scm (liba52): Fix the source URI; SourceForge mirror URIs
don't work for this project presumably because it's misconfigured.
gnu: ffmpeg: Update to 2.6.
* gnu/packages/video.scm (ffmpeg): Update to 2.6.
gnu: ffmpeg: Set LDFLAGS to -ldl.
* gnu/packages/video.scm (ffmpeg, ffmpeg-2.2): Set LDFLAGS to -ldl.
This fixes a build failure of ffmpeg-2.2.
gnu: Add libass.
* gnu/packages/video.scm (libass): New variable.
(ffmpeg): Add input libass.
gnu: ffmpeg: Enable libavresample.
* gnu/packages/video.scm (ffmpeg): Add "--enable-avresample" configure option.
gnu: ffmpeg: Add more optional inputs.
* gnu/packages/video.scm (ffmpeg): Add inputs ladspa, openal, pulseaudio.
gnu: Add libcdio-paranoia.
* gnu/packages/cdrom.scm (libcdio-paranoia): New variable.
* gnu/packages/video.scm (ffmpeg): Add input libcdio-paranoia.
gnu: Add libquvi.
* gnu/packages/web.scm (libquvi): New variable.
* gnu/packages/video.scm (ffmpeg): Add input libquvi.
gnu: Add libcaca.
* gnu/packages/video.scm (libcaca): New variable.
(ffmpeg): Add input libcaca.
gnu: Add xvid.
* gnu/packages/video.scm (xvid): New variable.
(ffmpeg): Add input xvid.
gnu: Add libdvdnav-4.
* gnu/packages/video.scm (libdvdnav-4): New variable.