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diff --git a/DOCS/mplayer-changes.rst b/DOCS/mplayer-changes.rst new file mode 100644 index 0000000000..a4f3467b53 --- /dev/null +++ b/DOCS/mplayer-changes.rst @@ -0,0 +1,443 @@ +CHANGES FROM OTHER VERSIONS OF MPLAYER +====================================== + +**mpv** is based on mplayer2, which in turn is based on the original MPlayer +(also called mplayer, mplayer-svn, mplayer1). Many changes have been made, a +large part of which is incompatible or completely changes how the player +behaves. Although there are still many similarities to its ancestors, **mpv** +should generally be treated as a completely different program. + +.. note:: + These lists are incomplete. + +General Changes from MPlayer to mpv +----------------------------------- + +This listing is about changes introduced by mplayer2 and mpv relatively to +MPlayer. + +Player +~~~~~~ + +* New name for the binary (``mpv``). New location for config files (either + ``~/.config/mpv/mpv.conf``, or if you want, ``~/.mpv/config``). +* Encoding functionality (replacement for MEncoder, see the `ENCODING`_ section). +* Support for Lua scripting (see the `LUA SCRIPTING`_ section). +* Better pause handling (e.g. do not unpause on a command). +* Precise seeking support. +* Improvements in audio/video sync handling. +* Do not lose settings when playing a new file in the same player instance. +* Slave mode compatibility broken (see below). +* Re-enable screensaver while the player is paused. +* Allow resuming playback at a later point with ``Shift+q``, also see the + ``quit_watch_later`` input command. +* ``--keep-open`` option to stop the player from closing the window and + exiting after playback ends. +* A client API, that allows embedding **mpv** into applications + (see ``libmpv/client.h`` in the sources). + +Input +~~~~~ + +* Improved default keybindings. MPlayer bindings are also available (see + ``etc/mplayer-input.conf`` in the source tree). +* Improved responsiveness on user input. +* Support for modifier keys (alt, shift, ctrl) in input.conf. +* Allow customizing whether a key binding for seeking shows the video time, the + OSD bar, or nothing (see the `Input Command Prefixes`_ section). +* Support mapping multiple commands to one key. + +Audio +~~~~~ + +* Support for gapless audio (see the ``--gapless-audio`` option). +* Support for OSS4 volume control. +* Improved support for PulseAudio. +* Make ``--softvol`` default (**mpv** is not a mixer control panel). +* By default, do pitch correction if playback speed is increased. +* Improved downmixing and output of surround audio: + + - Instead of using hardcoded pan filters to do remixing, libavresample is used + - Channel maps are used to identify the channel layout, so e.g. ``3.0`` and + ``2.1`` audio can be distinguished. + +Video +~~~~~ + +* Wayland support. +* Native support for VAAPI and VDA. Improved VDPAU video output. +* Improved OpenGL output (see the ``opengl-hq`` video output). +* Make hardware decoding work with the ``opengl`` video output. +* Support for libavfilter (for video->video and audio->audio). This allows + using most of FFmpeg's filters, which improve greatly on the old MPlayer + filters in features, performance, and correctness. +* More correct color reproduction (color matrix generation), including support + for BT.2020 (Ultra HD) and linear XYZ (Digital Cinema) inputs. +* Support for color managed displays, via ICC profiles. +* High-quality image resamplers (see the ``opengl`` ``scale`` suboption). +* Support for scaling in (sigmoidized) linear light. +* Better subtitle rendering using libass by default. +* Improvements when playing multiple files (``-fixed-vo`` is default, do not + reset settings by default when playing a new file). +* Replace image video outputs (``--vo=jpeg`` etc.) with ``--vo=image``. +* Removal of ``--vo=gif89a``, ``--vo=md5sum``, ``--vo=yuv4mpeg``, as encoding + can handle these use cases. For yuv4mpeg, for example, use:: + + mpv input.mkv -o output.y4m --no-audio --oautofps --oneverdrop + +* Image subtitles (DVDs etc.) are rendered in color and use more correct + positioning (color for image subs can be disabled with ``--sub-gray``). + +OSD and terminal +~~~~~~~~~~~~~~~~ + +* Cleaned up terminal output: nicer status line, less useless noise. +* Improved OSD rendering using libass, with full Unicode support. +* New OSD bar with chapter marks. Not positioned in the middle of the video + (this can be customized with the ``--osd-bar-align-y`` option). +* Display list of chapters and audio/subtitle tracks on OSD (see the + `Properties`_ section). + +Screenshots +~~~~~~~~~~~ + +* Instant screenshots without 1-frame delay. +* Support for taking screenshots even with hardware decoding. +* Support for saving screenshots as JPEG or PNG. +* Support for configurable file names. +* Support for taking screenshots with or without subtitles. + +Note that the ``screenshot`` video filter is not needed anymore, and should not +be put into the mpv config file. + +Miscellaneous +~~~~~~~~~~~~~ + +* Better MKV support (e.g. ordered chapters, 3D metadata). +* Matroska edition switching at runtime. +* Support for playing URLs of popular streaming sites directly. + (e.g. ``mpv https://www.youtube.com/watch?v=...``). + Requires a recent version of ``youtube-dl`` to be installed. Can be + disabled with ``ytdl=no`` in the mpv config file. +* Support for precise scrolling which scales the parameter of commands. If the + input doesn't support precise scrolling the scale factor stays 1. +* Allow changing/adjusting video filters at runtime. (This is also used to make + the ``D`` key insert vf_yadif if deinterlacing is not supported otherwise). +* Improved support for .cue files. + +Mac OS X +~~~~~~~~ + +* Native OpenGL backend. +* Cocoa event loop is independent from MPlayer's event loop, so user + actions like accessing menus and live resizing do not block the playback. +* Apple Remote support. +* Media Keys support. +* VDA support using libavcodec hwaccel API instead of FFmpeg's decoder with up + to 2-2.5x reduction in CPU usage. + +Windows +~~~~~~~ + +* Improved support for Unicode file names. +* Improved window handling. +* Do not block playback when moving the window. +* Improved Direct3D video output. +* Added WASAPI audio output. + +Internal changes +~~~~~~~~~~~~~~~~ + +* Switch to GPLv2+ (see ``Copyright`` file for details). +* Removal of lots of cruft: + + - Internal GUI (replaced by the OSC, see the `ON SCREEN CONTROLLER`_ section). + - MEncoder (replaced by native encoding, see the `ENCODING`_ section). + - OSD menu. + - Kernel video drivers for Linux 2.4 (including VIDIX). + - Teletext support. + - Support for dead platforms. + - Most built-in demuxers have been replaced by their libavformat counterparts. + - Built-in network support has been replaced by libavformat's (which also + supports https URLs). + - Embedded copies of libraries (such as FFmpeg). + +* General code cleanups (including refactoring or rewrites of many parts). +* New build system. +* Many bug fixes and removal of long-standing issues. +* Generally preferring FFmpeg/Libav over internal demuxers, decoders, and + filters. + +Detailed Listing of User-visible Changes +---------------------------------------- + +This listing is about changed command line switches, slave commands, and similar +things. Completely removed features are not listed. + +Command Line Switches +~~~~~~~~~~~~~~~~~~~~~ + +* There is a new command line syntax, which is generally preferred over the old + syntax. ``-optname optvalue`` becomes ``--optname=optvalue``. + + The old syntax will not be removed. However, the new syntax is mentioned in + all documentation and so on, and unlike the old syntax is not ambiguous, + so it is a good thing to know about this change. +* In general, negating switches like ``-noopt`` now have to be written as + ``-no-opt`` or ``--no-opt``. +* Per-file options are not the default anymore. You can explicitly specify + file-local options. See ``Usage`` section. +* Many options have been renamed, removed or changed semantics. Some options + that are required for a good playback experience with MPlayer are now + superfluous or even worse than the defaults, so make sure to read the manual + before trying to use your existing configuration with **mpv**. +* Table of renamed/replaced switches: + + =========================== ======================================== + Old New + =========================== ======================================== + ``-no<opt>`` ``--no-<opt>`` (add a dash) + ``-a52drc level`` ``--ad-lavc-ac3drc=level`` + ``-ac spdifac3`` ``--ad=spdif:ac3`` (see ``--ad=help``) + ``-af volnorm`` ``--af=drc`` (renamed) + ``-afm hwac3`` ``--ad=spdif:ac3,spdif:dts`` + ``-ao alsa:device=hw=0.3`` ``--ao=alsa:device=[hw:0,3]`` + ``-aspect`` ``--video-aspect`` + ``-ass-bottom-margin`` ``--vf=sub=bottom:top`` + ``-ass`` ``--sub-ass`` + ``-audiofile-cache`` (removed; the main cache settings are used) + ``-audiofile`` ``--audio-file`` + ``-benchmark`` ``--untimed`` (no stats) + ``-capture`` ``--stream-capture=<filename>`` + ``-channels`` ``--audio-channels`` (changed semantics) + ``-cursor-autohide-delay`` ``--cursor-autohide`` + ``-delay`` ``--audio-delay`` + ``-dumpstream`` ``--stream-dump=<filename>`` + ``-dvdangle`` ``--dvd-angle`` + ``-endpos`` ``--length`` + ``-fixed-vo`` (removed; always the default) + ``-font`` ``--osd-font`` + ``-forcedsubsonly`` ``--sub-forced-only`` + ``-forceidx`` ``--index`` + ``-format`` ``--audio-format`` + ``-fsmode-dontuse`` (removed) + ``-fstype`` ``--x11-netwm`` (changed semantics) + ``-hardframedrop`` ``--framedrop=hard`` + ``-identify`` (removed; use TOOLS/mpv_identify.sh) + ``-idx`` ``--index`` + ``-lavdopts ...`` ``--vd-lavc-...`` + ``-lavfdopts`` ``--demuxer-lavf-...`` + ``-lircconf`` ``--input-lirc-conf`` + ``-loop 0`` ``--loop=inf`` + ``-mixer-channel`` AO suboptions (``alsa``, ``oss``) + ``-mixer`` AO suboptions (``alsa``, ``oss``) + ``-mouse-movements`` ``--input-cursor`` + ``-msgcolor`` ``--msg-color`` + ``-msglevel`` ``--msg-level`` (changed semantics) + ``-msgmodule`` ``--msg-module`` + ``-name`` ``--x11-name`` + ``-noar`` ``--no-input-appleremote`` + ``-noautosub`` ``--no-sub-auto`` + ``-noconsolecontrols`` ``--no-input-terminal`` + ``-nojoystick`` ``--no-input-joystick`` + ``-nosound`` ``--no-audio`` + ``-osdlevel`` ``--osd-level`` + ``-panscanrange`` ``--video-zoom``, ``--video-pan-x/y`` + ``-playing-msg`` ``--term-playing-msg`` + ``-pp ...`` ``'--vf=lavfi=[pp=...]'`` + ``-pphelp`` (See FFmpeg libavfilter documentation.) + ``-rawaudio ...`` ``--demuxer-rawaudio-...`` + ``-rawvideo ...`` ``--demuxer-rawvideo-...`` + ``-spugauss`` ``--sub-gauss`` + ``-srate`` ``--audio-samplerate`` + ``-ss`` ``--start`` + ``-ssf <sub>`` ``--sws-...`` + ``-stop-xscreensaver`` ``--stop-screensaver`` + ``-sub-fuzziness`` ``--sub-auto`` + ``-sub`` ``--sub-file`` + ``-subcp`` ``--sub-codepage`` + ``-subdelay`` ``--sub-delay`` + ``-subfile`` ``--sub-file`` + ``-subfont-*`` ``--sub-text-*``, ``--osd-*`` + ``-subfont-text-scale`` ``--sub-scale`` + ``-subfont`` ``--sub-text-font`` + ``-subfps`` ``--sub-fps`` + ``-subpos`` ``--sub-pos`` + ``-sws`` ``--sws-scaler`` + ``-tvscan`` ``--tv-scan`` + ``-use-filename-title`` ``--title='${filename}'`` + ``-vc ffh264vdpau`` (etc.) ``--hwdec=vdpau`` + ``-vobsub`` ``--sub-file`` (pass the .idx file) + ``-x W``, ``-y H`` ``--geometry=WxH`` + ``--no-keepaspect`` + ``-xineramascreen`` ``--screen`` (different values) + ``-xy W`` ``--autofit=W`` + ``-zoom`` Inverse available as ``--video-unscaled`` + ``dvdnav://`` ``dvdnav://menu`` + ``dvd://1`` ``dvd://0`` (0-based offset) + =========================== ======================================== + +.. note:: + + ``-opt val`` becomes ``--opt=val``. + +.. note:: + + Quite some video filters, video outputs, audio filters, audio outputs, had + changes in their option parsing. These aren't mentioned in the table above. + + Also, some video and audio filters have been removed, and you have to use + libavfilter (using ``--vf=lavfi=[...]`` or ``--af=lavfi=[...]``) to get + them back. + +input.conf and Slave Commands +~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ + +* Table of renamed input commands: + + This lists only commands that are not always gracefully handled by the + internal legacy translation layer. If an input.conf contains any legacy + commands, a warning will be printed when starting the player. The warnings + also show the replacement commands. + + Properties containing ``_`` to separate words use ``-`` instead. + + +--------------------------------+----------------------------------------+ + | Old | New | + +================================+========================================+ + | ``pt_step 1 [0|1]`` | ``playlist_next [weak|force]`` | + | | (translation layer cannot deal with | + | | whitespace) | + +--------------------------------+----------------------------------------+ + | ``pt_step -1 [0|1]`` | ``playlist_prev [weak|force] (same)`` | + +--------------------------------+----------------------------------------+ + | ``switch_ratio [<ratio>]`` | ``set video-aspect <ratio>`` | + | | | + | | ``set video-aspect 0`` (reset aspect) | + +--------------------------------+----------------------------------------+ + | ``step_property_osd <prop>`` | ``cycle <prop> <step>`` (wraps), | + | ``<step> <dir>`` | ``add <prop> <step>`` (clamps). | + | | ``<dir>`` parameter unsupported. Use | + | | a negative ``<step>`` instead. | + +--------------------------------+----------------------------------------+ + | ``step_property <prop>`` | Prefix ``cycle`` or ``add`` with | + | ``<step> <dir>`` | ``no-osd``: ``no-osd cycle <prop>`` | + | | ``<step>`` | + +--------------------------------+----------------------------------------+ + | ``osd_show_property_text`` | ``show_text <text>`` | + | ``<text>`` | The property expansion format string | + | | syntax slightly changed. | + +--------------------------------+----------------------------------------+ + | ``osd_show_text`` | Now does the same as | + | | ``osd_show_property_text``. Use the | + | | ``raw`` prefix to disable property | + | | expansion. | + +--------------------------------+----------------------------------------+ + | ``show_tracks`` | ``show_text ${track-list}`` | + +--------------------------------+----------------------------------------+ + | ``show_chapters`` | ``show_text ${chapter-list}`` | + +--------------------------------+----------------------------------------+ + | ``af_switch``, ``af_add``, ... | ``af set|add|...`` | + +--------------------------------+----------------------------------------+ + | ``tv_start_scan`` | ``set tv-scan yes`` | + +--------------------------------+----------------------------------------+ + | ``tv_set_channel <val>`` | ``set tv-channel <val>`` | + +--------------------------------+----------------------------------------+ + | ``tv_step_channel`` | ``cycle tv-channel`` | + +--------------------------------+----------------------------------------+ + | ``dvb_set_channel <v1> <v2>`` | ``set dvb-channel <v1>-<v2>`` | + +--------------------------------+----------------------------------------+ + | ``dvb_step_channel`` | ``cycle dvb-channel`` | + +--------------------------------+----------------------------------------+ + | ``tv_set_freq <val>`` | ``set tv-freq <val>`` | + +--------------------------------+----------------------------------------+ + | ``tv_step_freq`` | ``cycle tv-freq`` | + +--------------------------------+----------------------------------------+ + | ``tv_set_norm <norm>`` | ``set tv-norm <norm>`` | + +--------------------------------+----------------------------------------+ + | ``tv_step_norm`` | ``cycle tv-norm`` | + +--------------------------------+----------------------------------------+ + + .. note:: + + Due to lack of hardware and users using the TV/DVB/PVR features, and + due to the need to cleanup the related command code, it's possible + that the new commands are buggy or behave worse. This can be improved + if testers are available. Otherwise, some of the TV code will be + removed at some point. + +Slave mode +~~~~~~~~~~ + +* Slave mode was removed. A proper slave mode application needed tons of code + and hacks to get + it right. The main problem is that slave mode is a bad and incomplete + interface, and to get around that, applications parsed output messages + intended for users. It is hard to know which messages exactly are parsed by + slave mode applications. This makes it virtually impossible to improve + terminal output intended for users without possibly breaking something. + + This is absolutely insane, and since initial improvements to **mpv** quickly + made slave mode incompatible to most applications, it was removed as useless + cruft. The client API (see below) is provided instead. + + ``--identify`` was replaced by the ``TOOLS/mpv_identify.sh`` wrapper script. + +* For some time (until including release 0.4.x), mpv supported a + ``--slave-broken`` option. The following options are equivalent: + + :: + + --input-file=/dev/stdin --input-terminal=no + + + Assuming the system supports ``/dev/stdin``. + + (The option was readded in 0.5.1 and sets exactly these options.) + +* A JSON RPC protocol giving access to the client API is also supported. See + `JSON IPC`_ for more information. + +* **mpv** also provides a client API, which can be used to embed the player + by loading it as shared library. (See ``libmpv/client.h`` in the sources.) + It might also be possible to implement a custom slave mode-like protocol + using Lua scripting. + +Policy for Removed Features +--------------------------- + +**mpv** is in active development. If something is in the way of more important +development (such as fixing bugs or implementing new features), we sometimes +remove features. Usually this happens only with old features that either seem +to be useless, or are not used by anyone. Often these are obscure, or +"inherited", or were marked experimental, but never received any particular +praise by any users. + +Sometimes, features are replaced by something new. The new code will be either +simpler or more powerful, but doesn't necessarily provide everything the old +feature did. + +We can not exclude that we accidentally remove features that are actually +popular. Generally, we do not know how much a specific functionality is used. +If you miss a feature and think it should be re-added, please open an issue +on the mpv bug tracker. Hopefully, a solution can be found. Often, it turns +out that re-adding something is not much of a problem, or that there are +better alternatives. + +Why this Fork? +-------------- + +mplayer2 is practically dead, and mpv started out as a branch containing +new/experimental development. (Some of it was merged right *after* the fork +was made public, seemingly as an acknowledgment that development, or at +least merging, should have been more active.) + +MPlayer is focused on not breaking anything, but is stuck with a horrible +codebase resistant to cleanup. (Unless you do what mpv did - merciless and +consequent pruning of bad, old code.) Cleanup and keeping broken things +conflict, so the kind of development mpv strives for can't be done within +MPlayer due to clashing development policies. + +Additionally, mplayer2 already had lots of changes over MPlayer, which would +have needed to be backported to the MPlayer codebase. This would not only +have been hard (several years of diverging development), but also would have +been impossible due to the aforementioned MPlayer development policy. |