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diff --git a/debian/README.debian b/debian/README.debian new file mode 100644 index 0000000..00ea1fb --- /dev/null +++ b/debian/README.debian @@ -0,0 +1,95 @@ +mpv for Debian +============== + +This is the Debian package produced by the mpv-build scripts. It +contains a statically linked libass and ffmpeg (vs. libav contained in +Debian) from upstream. It is not an official part of the Debian +distribution. Instructions for building this package can be found in +the README.rst file in the mpv-build directory, or equivalently at [1]. + +[1] https://github.com/mpv-player/mpv. + +Differences with distribution packages +============================================ + +Debian testing/unstable already has a separate official package for mpv, which +closely tracks the current upstream releases. Debian stable, the latest Ubuntu +and Ubuntu LTS all also have official mpv packages, however these range from +outdated to extremely outdated. This pacakge can be compiled on all of these +platforms and offers either the most recent mpv release or git master. + +This pacakge statically links against the latest release or git master of ffmpeg. +Older Debian and Ubuntu use the libav fork of ffmpeg, and therefore that's what their +official mpv packages link against. However, ffmpeg is preferred for building +mpv as it enables more features. This situation is however changing as the +Debian testing version is now built against ffmpeg. + +Since the release cycle of libass is quite slow, even the "release" version of +this package links against the libass git master. Debian unstable uses the +latest libass release, while Debian stable, the latest Ubuntu and Ubuntu LTS all +use buggy and outdated libass releases. + +In order to maintain this interoperability between distributions, this +package must necessarily disable some features by default which are not +universally supported. These include Wayland support and libfdk for high +quality AAC encoding. These can hoewver be trivially enabled provided +sufficiently recent libraries as described below. + +On the other hand, this package enables native smb support (to play smb:// +URLs), video4linux2 (for web cams and video capture) and caca (for silly ascii +art output) which is not present in the official Debian package. + +Due to a persistent packaging bug, the official Ubuntu Trusty mpv is missing lua +support (therefore no on-screen controller). + +There are several other features that are disabled in both this +package as well as the official Debian package because they are not +widely needed or used. These include openal output, portaudio output, +rsound/libroar/sndio input/output, sdl1/sdl2, joystick, videoio.h/libpt. If +you find any of these useful, please open an issue at [3] explaining +why you think the feature in question should be enabled, and we can +try and include it in this package. + +[3] https://github.com/mpv-player/mpv-build/issues + +Building from git master +======================== +In addition to the default of building the latest released +version of mpv, this package can also trivially be built from the +latest git master of mpv (as well as ffmpeg and libass). As described +in README.rst [1], this is achieved by calling + + ./update --master + +prior to building this Debian package. + +Additional ffmpeg features +========================== + +All relevant and free ffmpeg features/codecs should be enabled. If +something is missing, it is a bug, and should be reported at [3]. +Features for which distribution packages are not universally available +are the exception. To enable the non-free Fraunhofer FDK AAC codec: + + apt-get install libfdk-aac-dev + echo --enable-nonfree --enable-libfdk-aac >> ffmpeg_options + +This must be done prior to building the package. + +Wayland support +=============== + +According to wayland.freedesktop.org, "Wayland is intended as a +simpler replacement for X, easier to develop and maintain". It is very +much a work in progress, so adequate functionality requires recent +version of the relevant libraries. At present, this not possible on +Debian Wheezy. To maintain interoperability, this package therefore +does not build with Wayland support by default. + +If you want Wayland support, you will need to manually install the +necessary packages before building: + + apt-get install libwayland-dev libxkbcommon-dev libegl1-mesa-dev + +The mpv build will then automatically detect and link to them if they are new +enough. |