mirror of https://github.com/mpv-player/mpv
Add preliminary RELEASE_NOTES
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Diogo Franco (Kovensky)
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Release 0.8.0
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=============
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Changes
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-------
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Changes that may break users' config files have been annotated with a (!).
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- (!) vo_opengl_old has been removed. OpenGL rendering now requires hardware
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that can do at least OpenGL 2.1, the oldest version supported by vo_opengl.
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- (!) vf_pp has been removed. A version of it can still be accessed through
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lavfilter (e.g. --vf=lavfi=[pp...]), but it receives no QP information.
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Also, vf_dlopen no longer passes QP information to its loaded plugin either
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(it's always 0).
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- (!) vf_pullup, vf_softpulldown, vf_swapuv, vf_phase, vf_divtc and vf_ilpack
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have all been removed. Ports or alternative versions of these filters are
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available through libavfilter (vf_lavfi).
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- (!) ao_portaudio has been removed. There is good support for the native
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audio drivers of all major desktop platforms, as well as ao_sdl and
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ao_openal as fallbacks.
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- (!) vo_opengl's `lscale` suboption has been renamed to `scale`; `lradius` is
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now `scale-radius`, `lparam1` and `lparam2` are now respectively
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`scale-param1` and `scale-param2`; `lscale-down` is now `scale-down`.
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The `cscale` suboption remains as is.
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- (!) Several of the `vo_opengl` radius-preset aliases supported by `scale`
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have been removed; use `scale-radius` to set if needed. For example, use
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`--vo=opengl:scale=lanczos:scale-radius=3` instead of `scale=lanczos3`.
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- (!) vo_opengl no longer supports the `stereo` suboption. The anaglyph effect
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can be reproduced with the stereo3d filter. The quadbuffer support, which
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requires expensive specialized hardware to begin with, is removed.
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- (!) The `approx-gama` suboption to vo_opengl has been removed. The BT.1886
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specification says that it's actually how it's supposed to be done so it
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is now the default.
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- (!) The `no-scale-sep` and `indirect` suboptions to vo_opengl have been
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removed. These are now autodetected and enabled whenever they would have
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benefit.
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- (!) The `--lua` and `--lua-opts` parameters / options are now called
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`--script` and `--script-opts`, respectively. The `lua` subdir of the mpv
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config dir is also now expected to be called `scripts` instead.
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- (!) The `--fixed-vo` option has been removed. It has been the default for
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a long time anyway, and disabling fixed-vo is not useful.
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- vo_opengl has improved downscaling for higher downscale ratios.
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- vo_opengl_hq has been updated to take into account new features.
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`fancy-downscaling` and `sigmoid-upscaling` are enabled,
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"mitchell" is now the default for `scale-down`, and `scale-down` can be
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disabled with `scale-down=""`.
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- The `sub-visibility` OSD message is now clearer about whether subtitles
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are hidden or just not available / selected.
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- The device IDs given to `--audio-device` for use with ao_coreaudio now use
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UIDs, so they don't change when devices are added/removed or after reboots.
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- `--msg-level` now also accepts ',' as separator.
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- (Win32) The embedded .exe description now names itself simply "mpv".
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- (Client API) The client API now refuses to initialize if the LC_NUMERIC
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locale is not "C".
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- (Client API) The native type of the `msg-level` parameter is now a key-value
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list. Setting or reading it as a string still works.
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- Documentation updates.
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- PDF documentation is now disabled by default due to rst2pdf being fickle,
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causing weird build errors.
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- Print desync messages with negative A/V sync as well. While rare, it could
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happen ith some uses of `--autosync`.
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Bug fixes
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---------
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- (Windows) Avoid resizing the video window when player is minimized, might
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address bug #1547.
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- (NetBSD) Fix build with v4l2.
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- Multiple cdda:// fixes. (bugs #1555, #1560)
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New features
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------------
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- vo_opengl now supports frame blending to eliminate stuttering when the video
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framerate does not nicely match the display framerate through the
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`smoothmotion` suboption. This is not meant to artificially increase the
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video's FPS, so there is no "soap opera effect" or difficulties with some
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video types (e.g. anime).
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- vo_opengl now supports sigmoidal upscaling (e.g. for fullscreen), which
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reduces ringing induced by upscaling, enabled through the `sigmoid-upscaling`
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suboption.
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- vo_opengl's ewa_lanczos scaler (Jinc) now supports an `scale-antiringing`
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parameter, which tries to reduce video ringing.
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- vo_opengl now has a `linear-scaling` suboption, that makes the scalers work
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in linear light. Implied by the `srgb`, `icc-profile` or the new
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`sigmoid-upscaling` suboption.
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- The Matroska demuxer now supports SVQ3 video.
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- Add `--keep-open=always` to make `--keep-open` apply to all files instead of
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only the last.
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- mpv now filters the tags that are printed on the console to try to hide
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useless metadata. The filter works as a whitelist, and can be configured with
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the `--display-tags` option.
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- Add a `--sub-scale-by-window` option that, when set to 'no', prevents
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subtitles from changing their pixel size when the window changes sizes.
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- vo_opengl now technically has GLES 2 and 3 support (but not GLES 1). GLES 3
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support is only tested on Mesa's software emulation. GLES 2 has been tested
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on nvidia drivers, but is feature deficient and inefficient due to GLES 2
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limitations.
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- (X11) vo_opengl now supports the `icc-profile-auto` option on X11 hosts.
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- The 'A' key now by default cycles through a list of preset aspect ratios.
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Meant to be used to work around broken files.
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- There is now a `--log-file` option to write mpv's log messages to a specifed
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file.
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- There is now a `--audio-file-auto` option to automatically load an external
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audio file with certain constraints. Will only load external audio if the
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playing file has a video stream. Set to "exact" by default. (bug #967)
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- VP9 timestamps are now supported with new enough FFmpeg builds.
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- There is now a `--network-timeout` option to specify a timeout in seconds for
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network access. If 0 (default), uses the libavformat default. If a protocol
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that doesn't support timeouts is used, this option is ignored.
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- (Linux) The DVB implementation now supports DVB-S2 through S2API.
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- (Client API) There is now an opengl_cb VO, which receives the OpenGL context
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from the libmpv client. This allows a client to render libmpv video directly
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to a provided OpenGL context without having to use hacks such as --wid.
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- (Client API) The aforementioned --wid hack can now be set at any time, but
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has no effect if a file is already loaded.
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- (Client API) The list of DVD titles can now be queried.
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- (Client API) There is now a `filtered-metadata` property, containing only
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the tags allowed by `--display-tags`.
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- (Client API) There is now support for XEmbed `--wid` targets, such as a
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`GtkSocket`'s `gtk_socket_get_id()`.
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- (Client API) There is now a `file-format` property with a symbolic name
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for the file format. In some cases this might be a comma separated list
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of various different extensions due to libavformat idiosyncrasies.
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- (Client API) There is now a `mouse` command for generating mouse events
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over the video window.
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- (Client API) There is now a `partially-seekable` property that indicates
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whether a file is only considered `seekable` because of the stream cache,
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but would not be seekable otherwise (e.g. realtime stream, or HTTP with
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no resume support). Small relative seeks may be fine, but larger seeks
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will likely fail.
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- (Client API) There is now an MPV_EVENT_QUEUE_OVERFLOW event that is posted
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whenever events have to be dropped because the queue is full. No further
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events are posted until the MPV_EVENT_QUEUE_OVERFLOW is consumed to avoid
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duplicated posting.
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- (Client API) There is now a helper `mpv_wait_async_requests()` function
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that blocks until all known async requests have completed. (bug #1542)
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- (Client API) There is now a `detected-hwdec` property that returns the
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detected hardware decoder when one is successfully opened. This probably
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only returns a valid value after playback has started.
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- (Client API) There are now `audio_add`, `audio_remove` and `audio_reload`
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counterparts to the equivalent `sub_` commands for handling external audio
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files.
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This listing is not complete. A complete changelog can be seen by running
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`git log v0.7.0..` in the git repository.
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