mpv/DOCS/interface-changes.rst

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Introduction
============
mpv provides access to its internal via the following means:
- options
- commands
- properties
- events
All of these are important for interfacing both with end users and API users
(which include Lua scripts, libmpv, and the JSON IPC). As such, they constitute
a large part of the user interface and APIs.
This document lists changes to them. New changes are added to the top.
Interface changes
=================
::
--- mpv 0.10.0 will be released ---
- add --video-sync* options
"display-sync-active" property
"vo-missed-frame-count" property
"audio-speed-correction" and "video-speed-correction" properties
- remove --demuxer-readahead-packets and --demuxer-readahead-bytes
add --demuxer-max-packets and --demuxer-max-bytes
(the new options are not replacement and have very different semantics)
- change "video-aspect" property: always settable, even if no video is
running; always return the override - if no override is set, return
the video's aspect ratio
- remove disc-nav (DVD, BD) related properties and commands
- add "option-info/<name>/set-locally" property
- add --cache-backbuffer; change --cache-default default to 75MB
the new total cache size is the sum of backbuffer and the cache size
specified by --cache-default or --cache
- add ``track-list/N/audio-channels`` property
- change --screenshot-tag-colorspace default value
- add --stretch-image-subs-to-screen
- add "playlist/N/title" property
- add --video-stereo-mode=no to disable auto-conversions
- add --force-seekable, and change default seekability in some cases
- add vf yadif/vavpp/vdpaupp interlaced-only suboptions
Also, the option is enabled by default (Except vf_yadif, which has
it enabled only if it's inserted by the deinterlace property.)
- add --hwdec-preload
- add ao coreaudio exclusive suboption
- add ``track-list/N/forced`` property
- add audio-params/channel-count and ``audio-params-out/channel-count props.
- add af volume replaygain-fallback suboption
- add video-params/stereo-in property
- add "keypress", "keydown", and "keyup" commands
- deprecate --ad-spdif-dtshd and enabling passthrough via --ad
add --audio-spdif as replacement
- remove "get_property" command
- remove --slave-broken
- add vo opengl custom shader suboptions (source-shader, scale-shader,
pre-shaders, post-shaders)
- completely change how the hwdec properties work:
- "hwdec" now reflects the --hwdec option
- "hwdec-detected" does partially what the old "hwdec" property did
(and also, "detected-hwdec" is removed)
- "hwdec-active" is added
- add protocol-list property
- deprecate audio-samplerate and audio-channels properties
(audio-params sub-properties are the replacement)
- add audio-params and audio-out-params properties
- deprecate "audio-format" property, replaced with "audio-codec-name"
- deprecate --media-title, replaced with --force-media-title
- deprecate "length" property, replaced with "duration"
- change volume property:
- the value 100 is now always "unchanged volume" - with softvol, the
range is 0 to --softvol-max, without it is 0-100
- the minimum value of --softvol-max is raised to 100
- remove vo opengl npot suboption
- add relative seeking by percentage to "seek" command
- add playlist_shuffle command
- add --force-window=immediate
- add ao coreaudio change-physical-format suboption
- remove vo opengl icc-cache suboption, add icc-cache-dir suboption
- add --screenshot-directory
- add --screenshot-high-bit-depth
- add --screenshot-jpeg-source-chroma
- default action for "rescan_external_files" command changes
--- mpv 0.9.0 is released ---