mpv/RELEASE_NOTES

Release 0.37.0
==============

This release requires FFmpeg 4.4 or newer and libplacebo 6.338.0 or newer.

This is the first release to unconditionally require libplacebo, but note that
the new improved renderer (vo_gpu_next) is not yet the default.


Features
--------

New
~~~

- ao_oss: add SPDIF passthrough support
- hwtransfer: implement support for HW->HW format conversions
- stream/dvbin: add support for delivery system ISDB-T
- audio/chmap: support up to 64 channels (including 22.2 layout)
- libmpv: add mpv_time_ns()
- vo_gpu, vo_gpu_next: add Vulkan support for macOS
- meson: make libplacebo a required dependency
- hwdec: support videotoolbox hwdec with libplacebo


Changed
~~~~~~~

- msg: print warning and error messages to stderr
- options: restore old default subtitle selection behavior
- input.conf: swap wheel up/down with wheel left/right


Removed
~~~~~~~

- waf: remove waf as a build system
- osc.lua: remove toggle for forced only subpictures (appeared as [F])
- mac: remove runtime checks and compatibility for macOS older than 10.15
- cocoa: remove deprecated OpenGL cocoa backend


Options and Commands
--------------------

Added
~~~~~

- vo_gpu_next: add --hdr-peak-percentile
- player: add --term-remaining-playtime option
- x11: add --x11-wid-title option
- vo_gpu_next: add --libplacebo-opts
- player: add --subs-match-os-language option (replaces 'auto' option)
- vo: add --video-crop
- win32: add --window-corners, --window-affinity, --title-bar, --backdrop-type
- sub: add --sub-stretch-durations option


Changed
~~~~~~~

- builtin.conf: add --hdr-peak-percentile=99.995 to gpu-hq profile
- player: add 'always' option to --subs-fallback-forced
- demux_playlist: default to --directory-mode=lazy
- builtin.conf: add --allow-delayed-peak-detect=no to gpu-hq profile
- vo_gpu, vo_gpu_next: support --icc-3dlut-size=auto
- demux: prepend some cache options with --demuxer-
- builtin.conf: modernize internal profiles for higher quality rendering by default,
  rename 'gpu-hq' profile to 'high-quality', add 'fast' profile
- vo_gpu, vo_gpu_next: default to dscale=hermite
- builtin.conf: remove deprecated 'opengl-hq' profile
- options: remove a bunch of old option fallbacks/deprecated ones
- vo_gpu: allow --deband-iterations to be 0
- stream_cdda: deprecate --cdda-toc-bias and always check for offsets
- options: disable --allow-delayed-peak-detect by default
- options: adjust default of --watch-later-options


Deprecated
~~~~~~~~~~

- command: deprecate shared-script-properties
- demux_cue: deprecate --demuxer-cue-codepage for --metadata-codepage


Removed
~~~~~~~

- player: remove special 'auto' option from alang/slang/vlang (previous default)
- vo_gpu: remove --tone-mapping-mode
- vo_gpu: remove --scale-wblur, --scale-cutoff etc.
- vo_gpu: remove --scaler-lut-size
- m_option: drop support for -del for list options


Fixes and Minor Enhancements
----------------------------

- build: remove unneeded libdl requirement for vaapi
- zimg: fix abort on subsampled input with odd heights
- video_writer: fix gamma for YUV screenshots
- player/video: fix possible crash when changing lavfi-complex
- ad_spdif: fix segfault due to early deallocation
- ao_pipewire: fix race conditon with setting the media role
- draw_bmp: fix overflowing coordinates in mark_rcs
- ao_sndio: use sio_flush() to improve controls responsiveness
- vo_vdpau: fix hwdec for this vo
- vo_gpu, vo_gpu_next: fix setting an empty dscale
- vd_lavc: repeatedly attempt to fallback if hwdec fails in reinit
- options: fix relative time parsing on negative input
- win32: signal DPI changes correctly
- mp_image: properly infer color levels for some pixfmts
- vo_gpu_next: add ability to use named hook params
- vo_gpu_next: take into account PAR when taking screenshots
- ao_audiotrack: support more channel layouts
- osc.lua: support speed-independent time-remaining display
- sub: fix switching tracks while paused
- audio: fix clipping with gapless audio enabled
- player/video: avoid spamming logs with EOF
- player/command: detect aspect ratio name and show it in stats.lua
- wayland: keyboard input fixes
- demux_playlist: remove len restriction on headerless m3u
- win32: fix display resolution calculation on mulitple monitors
- vo_gpu_next: multiple adjustments and fixes to interpolation
- loadfile: avoid infinite playlist loading loops
- context_drm_egl: don't free EGL properties if they are null
- x11: require xrandr 1.4, remove xinerama support
- drm_common: skip cards that don't have connected outputs
- win32_common: fixes minimized window being focused on launch
- ao/jack: set device_buffer to JACK buffer size
- meson: rename all features with underscores
- input: add new keys: Back, Tools, ZoomIn, ZoomOut
- win32: don't ignore --screen and --fs-screen
- input: add missing keypad key defines and Windows multimedia keys
- player: use audio pts corresponding to playing audio on EOF
- command: add sub-ass-extradata property
- vo_dmabuf_wayland: unmap osd surface when not needed
- player: always write redirect entries for resuming playback
- stats.lua: reorganize how video params are displayed
- stats.lua: display HDR metadata
- osc.lua: add scrolling to the seekbar
- demux_lavf: prefer track durations over container durations to determine total
- vo: vulkan: allow picking devices by UUID
- video: allow overriding container crop if it is present
- vo_gpu, vo_gpu_next, screenshot: support applying crop for screenshots
- sd_lavc: account for floating point inaccuracy, fix sub PTS
- stream: accept dav:// and davs:// urls
- filter_kernels: refine some constants
- filter_kernels: add ewa_lanczos4sharpest
- osc.lua: add scrolling to audio/sub buttons
- demux_mkv: support cropping and rotation
- vo_dmabuf_wayland: support 90 degree rotations
- filter_kernels: add hermite filter
- vo: avoid unnecessary redraws when the OSD shows
- scripting: support DLL cplugins
- af_scaletempo2: various bug fixes
- sdl_gamepad: fix button detection on modern controllers
- vo_dmabuf_wayland: support osd rendering when there's no video
- demux_playlist: add --directory-mode=auto
- vo_gpu_next: use proper color for subtitles
- win32: add an option to change window affinity and control title bar state
- win32: reduce top border thickness to imitate DWM invisible borders
- wayland: remove gnome-specific idle-inhibit warning
- win32: pass window handle to the window-id property
- osc.lua: fix calculation for slider's min-max average
- recorder: fix a couple of memory leaks
- af_scaletempo2: raise max playback rate to 8.0
- osc.lua: move the idle logo behind other overlays
- hwdec_drmprime: add nv16 support
- various: change internal timing code to work in nanoseconds instead of microseconds
- vo: increase display refresh rate estimation limit from 99 Hz to 400 Hz
- external_files: base cover-art-whitelist on cover-art-auto-exts
- path: don't override cache and state paths with --config-dir
- codec_tags: map some more image mimetypes
- af/vf-command: add ability to target a specific lavfi filter
- win32: prevent white window flash on startup
- demux_playlist: use --metacode-codepage when parsing playlist files
- video: revert racey change that led to stutter and deadlocking
- console.lua: various improvements
- command: add playlist-next-playlist and playlist-prev-playlist
- ytdl_hook.lua: set metadata with single tracks
- defaults.lua: add a disabled parameter to timer constructors
- terminal-unix: race condition fixes
- af_scaletempo2: better defaults
- hwtransfer: handle hwcontexts that don't implement frame constraints
- stream_cdda: remove fallback for ancient libcdio versions
- osdep: drop support for C11 without atomics
- dvbin: do a big cleanup on code style and functions
- ytdl_hook.lua: parse the separate cookies field
- sub: update subtitles if current track is an image
- javascript: use --js-memory-report option instead of MPV_LEAK_REPORT
- ao_coreaudio: signal buffer underruns
- ytdl_hook.lua: support thumbnails
- demux: make hysteresis-secs respect cache-secs
- mp_image: pass rotation correctly to/from AVFrame correctly
- various: add new internal mp_thread abstraction and use it
- drm: use present_sync mechanism for presentation feedback
- vo_gpu: apply ICC profile and dithering only to window screenshots
- audio: introduce ao_read_data_nonblocking() and use it in relevant backends
- wayland: obey initial size hints set by the compositor
- command: export storage aspect ratio (sar) properties
- vo: delay vsync samples by at least 10 refreshes to improve convergence time
- vo_sdl: fix broken mouse wheel multiplier
- vo_gpu_next: simplify cache code and don't re-save when unmodified


This listing is not complete. Check DOCS/client-api-changes.rst for a history
of changes to the client API, and DOCS/interface-changes.rst for a history
of changes to other user-visible interfaces.

A complete changelog can be seen by running `git log v0.36.0..v0.37.0`
in the git repository or by visiting either
https://github.com/mpv-player/mpv/compare/v0.36.0...v0.37.0 or
https://git.srsfckn.biz/mpv/log/?qt=range&q=v0.36.0..v0.37.0