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https://github.com/mpv-player/mpv
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7783f0b7d7
With the merging of options and properties, the mpv_set_option() function is close to being useless, and mpv_set_property() can be used for everything instead. There are certain conflicts remaining, which are explained in depth in the docs. For now, none of this should affect existing code using the client API. Make mpv_set_property() redirect to mpv_set_option() before initialization. Remove some options marked as M_OPT_FIXED. The "pause" and "speed" options cannot be written anymore without the playloop being notified by it, so the M_OPT_FIXED does nothing. For "vo-mmcss-profile", the problem was lack of synchronization, which has been added. I'm not sure what the problem was with "frames" - I think it was only marked as M_OPT_FIXED because changing it during playback will have no effect. Except for pause/speed, these changes are needed to make them writable as properties after mpv_initialize(). Also replace all remaining uses of CONF_GLOBAL with M_OPT_FIXED.
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158 lines
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Introduction
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============
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This file lists all changes that can cause compatibility issues when using
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mpv through the client API (libmpv and ``client.h``). Since the client API
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interfaces to input handling (commands, properties) as well as command line
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options, you should also look at ``interface-changes.rst``.
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Normally, changes to the C API that are incompatible to previous iterations
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receive a major version bump (i.e. the first version number is increased),
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while C API additions bump the minor version (i.e. the second number is
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increased). Changes to properties/commands/options may also lead to a minor
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version bump, in particular if they are incompatible.
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The version number is the same as used for MPV_CLIENT_API_VERSION (see
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``client.h`` how to convert between major/minor version numbers and the flat
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32 bit integer).
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Also, read the section ``Compatibility`` in ``client.h``.
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Options, commands, properties
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=============================
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Changes to these are not listed here, but in ``interface-changes.rst``. (Before
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client API version 1.17, they were listed here partially.)
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This listing includes changes to the bare C API and behavior only, not what
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you can access with them.
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API changes
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===========
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::
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--- mpv 0.21.0 ---
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1.23 - deprecate setting "no-" options via mpv_set_option*(). For example,
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instead of "no-video=" you should set "video=no".
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- do not override the SIGPIPE signal handler anymore. This was done as
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workaround for the FFmpeg TLS code, which has been fixed long ago.
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- deprecate mpv_suspend() and mpv_resume(). They will be stubbed out
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in mpv 0.22.0.
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- make mpv_set_property() work to some degree before mpv_initialize().
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It can now be used instead of mpv_set_option().
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- semi-deprecate mpv_set_option()/mpv_set_option_string(). You should
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use mpv_set_property() instead. There are some deprecated properties
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which conflict with some options (see client.h remarks on
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mpv_set_option()), for which mpv_set_option() might still be required.
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In future mpv releases, the conflicting deprecated options/properties
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will be removed, and mpv_set_option() will internally translate API
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calls to mpv_set_property().
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--- mpv 0.19.0 ---
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1.22 - add stream_cb API for custom protocols
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--- mpv 0.18.1 ---
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---- - remove "status" log level from mpv_request_log_messages() docs. This
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is 100% equivalent to "v". The behavior is still the same, thus no
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actual API change.
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--- mpv 0.18.0 ---
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1.21 - mpv_set_property() changes behavior with MPV_FORMAT_NODE. Before this
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change it rejected mpv_nodes with format==MPV_FORMAT_STRING if the
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property was not a string or did not have special mechanisms in place
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the function failed. Now it always invokes the option string parser,
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and mpv_node with a basic data type works exactly as if the function
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is invoked with that type directly. This new behavior is equivalent
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to mpv_set_option().
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This also affects the mp.set_property_native() Lua function.
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- generally, setting choice options/properties with "yes"/"no" options
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can now be set as MPV_FORMAT_FLAG
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- reading a choice property as MPV_FORMAT_NODE will now return a
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MPV_FORMAT_FLAG value if the choice is "yes" (true) or "no" (false)
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This implicitly affects Lua and JSON IPC interfaces as well.
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- big changes to vo-cmdline on vo_opengl and vo_opengl_hq (but not
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vo_opengl_cb): options are now normally not reset, but applied on top
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of the current options. The special undocumented value "-" still
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works, but now resets all options to before any vo-cmdline command
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has been called.
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--- mpv 0.12.0 ---
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1.20 - deprecate "GL_MP_D3D_interfaces"/"glMPGetD3DInterface", and introduce
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"GL_MP_MPGetNativeDisplay"/"glMPGetNativeDisplay" (this is a
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backwards-compatible rename)
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--- mpv 0.11.0 ---
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--- mpv 0.10.0 ---
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1.19 - add "GL_MP_D3D_interfaces" pseudo extension to make it possible to
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use DXVA2 in OpenGL fullscreen mode in some situations
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- mpv_request_log_messages() now accepts "terminal-default" as parameter
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1.18 - add MPV_END_FILE_REASON_REDIRECT, and change behavior of
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MPV_EVENT_END_FILE accordingly
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- a bunch of interface-changes.rst changes
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1.17 - mpv_initialize() now blocks SIGPIPE (details see client.h)
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--- mpv 0.9.0 ---
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1.16 - add mpv_opengl_cb_report_flip()
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- introduce mpv_opengl_cb_draw() and deprecate mpv_opengl_cb_render()
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- add MPV_FORMAT_BYTE_ARRAY
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1.15 - mpv_initialize() will now load config files. This requires setting
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the "config" and "config-dir" options. In particular, it will load
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mpv.conf.
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- minor backwards-compatible change to the "seek" and "screenshot"
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commands (new flag syntax, old additional args deprecated)
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--- mpv 0.8.0 ---
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1.14 - add mpv_wait_async_requests()
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- the --msg-level option changes its native type from a flat string to
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a key-value list (setting/reading the option as string still works)
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1.13 - add MPV_EVENT_QUEUE_OVERFLOW
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1.12 - add class Handle to qthelper.hpp
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- improve opengl_cb.h API uninitialization behavior, and fix the qml
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example
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- add mpv_create_client() function
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1.11 - add OpenGL rendering interop API - allows an application to combine
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its own and mpv's OpenGL rendering
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Warning: this API is not stable yet - anything in opengl_cb.h might
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be changed in completely incompatible ways in minor API bumps
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--- mpv 0.7.0 ---
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1.10 - deprecate/disable everything directly related to script_dispatch
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(most likely affects nobody)
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1.9 - add enum mpv_end_file_reason for mpv_event_end_file.reason
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- add MPV_END_FILE_REASON_ERROR and the mpv_event_end_file.error field
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for slightly better error reporting on playback failure
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- add --stop-playback-on-init-failure option, and make it the default
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behavior for libmpv only
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- add qthelper.hpp set_option_variant()
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- mark the following events as deprecated:
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MPV_EVENT_TRACKS_CHANGED
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MPV_EVENT_TRACK_SWITCHED
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MPV_EVENT_PAUSE
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MPV_EVENT_UNPAUSE
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MPV_EVENT_METADATA_UPDATE
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MPV_EVENT_CHAPTER_CHANGE
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They are handled better with mpv_observe_property() as mentioned in
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the documentation comments. They are not removed and still work.
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1.8 - add qthelper.hpp
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1.7 - add mpv_command_node(), mpv_command_node_async()
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1.6 - modify "core-idle" property behavior
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- MPV_EVENT_LOG_MESSAGE now always sends complete lines
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- introduce numeric log levels (mpv_log_level)
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--- mpv 0.6.0 ---
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1.5 - change in X11 and "--wid" behavior again. The previous change didn't
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work as expected, and now the behavior can be explicitly controlled
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with the "input-x11-keyboard" option. This is only a temporary
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measure until XEmbed is implemented and confirmed working.
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Note: in 1.6, "input-x11-keyboard" was renamed to "input-vo-keyboard",
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although the old option name still works.
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1.4 - subtle change in X11 and "--wid" behavior
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(this change was added to 0.5.2, and broke some things, see #1090)
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--- mpv 0.5.0 ---
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1.3 - add MPV_MAKE_VERSION()
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1.2 - remove "stream-time-pos" property (no replacement)
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1.1 - remap dvdnav:// to dvd://
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- add "--cache-file", "--cache-file-size"
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- add "--colormatrix-primaries" (and property)
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- add "primaries" sub-field to image format properties
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- add "playback-time" property
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- extend the "--start" option; a leading "+", which was previously
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insignificant is now significant
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- add "cache-free" and "cache-used" properties
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- OSX: the "coreaudio" AO spdif code is split into a separate AO
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--- mpv 0.4.0 ---
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1.0 - the API is declared stable
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