options: deprecate suboptions for the remaining AO/VOs

DOCS/interface-changes.rst

@@ -20,6 +20,10 @@ Interface changes
 ::
 
  --- mpv 0.21.0 ---
+    - deprecate _all_ --vo and --ao suboptions. Generally, all suboptions are
+      replaced by global options, which do exactly the same. For example,
+      "--vo=opengl:scale=nearest" turns into "--scale=nearest". In some cases,
+      the global option is prefixed.
     - subtle changes in how "--no-..." options are treated mean that they are
       not accessible under "options/..." anymore (instead, these are resolved
       at parsing time). This does not affect options which start with "--no-",

DOCS/man/ao.rst

@@ -30,6 +30,8 @@ Available audio output drivers are:
 ``alsa`` (Linux only)
     ALSA audio output driver
 
+    See `ALSA audio output options`_ for options specific to this AO.
+
     .. warning::
 
         To get multichannel/surround audio, use ``--audio-channels=auto``. The
@@ -45,11 +47,13 @@ Available audio output drivers are:
 ``oss``
     OSS audio output driver
 
-    ``<dsp-device>``
+    The following global options are supported by this audio output:
+
+    ``--oss-device``
         Sets the audio output device (default: ``/dev/dsp``).
-    ``<mixer-device>``
+    ``--oss-mixer-device``
         Sets the audio mixer device (default: ``/dev/mixer``).
-    ``<mixer-channel>``
+    ``--oss-mixer-channel``
         Sets the audio mixer channel (default: ``pcm``). Other valid values
         include **vol, pcm, line**. For a complete list of options look for
         ``SOUND_DEVICE_NAMES`` in ``/usr/include/linux/soundcard.h``.
@@ -91,7 +95,9 @@ Available audio output drivers are:
     Automatically redirects to ``coreaudio_exclusive`` when playing compressed
     formats.
 
-    ``change-physical-format=<yes|no>``
+    The following global options are supported by this audio output:
+
+    ``--coreaudio-change-physical-format=<yes|no>``
         Change the physical format to one similar to the requested audio format
         (default: no). This has the advantage that multichannel audio output
         will actually work. The disadvantage is that it will change the
@@ -99,7 +105,7 @@ Available audio output drivers are:
         setting in the ``Audio Devices`` dialog in the ``Audio MIDI Setup``
         utility. Note that this does not affect the selected speaker setup.
 
-    ``exclusive``
+    ``--coreaudio-exclusive``
         Use exclusive mode access. This merely redirects to
         ``coreaudio_exclusive``, but should be preferred over using that AO
         directly.
@@ -117,18 +123,20 @@ Available audio output drivers are:
 ``pulse``
     PulseAudio audio output driver
 
-    ``host=<host>``, ``sink=<sink>``
+    The following global options are supported by this audio output:
+
+    ``--pulse-host=<host>``, ``--pulse-sink=<sink>``
         Specify the host and optionally output sink to use. An empty <host>
         string uses a local connection, "localhost" uses network transfer
         (most likely not what you want).
 
-    ``buffer=<1-2000|native>``
+    ``--pulse-buffer=<1-2000|native>``
         Set the audio buffer size in milliseconds. A higher value buffers
         more data, and has a lower probability of buffer underruns. A smaller
         value makes the audio stream react faster, e.g. to playback speed
         changes. Default: 250.
 
-    ``latency-hacks=<yes|no>``
+    ``--pulse-latency-hacks=<yes|no>``
         Enable hacks to workaround PulseAudio timing bugs (default: no). If
         enabled, mpv will do elaborate latency calculations on its own. If
         disabled, it will use PulseAudio automatically updated timing
@@ -148,13 +156,15 @@ Available audio output drivers are:
               environments, such as systems where none of the other drivers
               are available.
 
-    ``buflen=<length>``
+    The following global options are supported by this audio output:
+
+    ``--sdl-buflen=<length>``
         Sets the audio buffer length in seconds. Is used only as a hint by the
         sound system. Playing a file with ``-v`` will show the requested and
         obtained exact buffer size. A value of 0 selects the sound system
         default.
 
-    ``bufcnt=<count>``
+    ``--sdl-bufcnt=<count>``
         Sets the number of extra audio buffers in mpv. Usually needs not be
         changed.
 
@@ -162,47 +172,51 @@ Available audio output drivers are:
     Produces no audio output but maintains video playback speed. Use
     ``--ao=null:untimed`` for benchmarking.
 
-    ``untimed``
+    The following global options are supported by this audio output:
+
+    ``--ao-null-untimed``
         Do not simulate timing of a perfect audio device. This means audio
         decoding will go as fast as possible, instead of timing it to the
         system clock.
 
-    ``buffer``
+    ``--ao-null-buffer``
         Simulated buffer length in seconds.
 
-    ``outburst``
+    ``--ao-null-outburst``
         Simulated chunk size in samples.
 
-    ``speed``
+    ``--ao-null-speed``
         Simulated audio playback speed as a multiplier. Usually, a real audio
         device will not go exactly as fast as the system clock. It will deviate
         just a little, and this option helps to simulate this.
 
-    ``latency``
+    ``--ao-null-latency``
         Simulated device latency. This is additional to EOF.
 
-    ``broken-eof``
+    ``--ao-null-broken-eof``
         Simulate broken audio drivers, which always add the fixed device
         latency to the reported audio playback position.
 
-    ``broken-delay``
+    ``--ao-null-broken-delay``
         Simulate broken audio drivers, which don't report latency correctly.
 
-    ``channel-layouts``
+    ``--ao-null-channel-layouts``
         If not empty, this is a ``,`` separated list of channel layouts the
         AO allows. This can be used to test channel layout selection.
 
 ``pcm``
     Raw PCM/WAVE file writer audio output
 
-    ``(no-)waveheader``
+    The following global options are supported by this audio output:
+
+    ``--ao-pcm-waveheader=<yes|no>``
         Include or do not include the WAVE header (default: included). When
         not included, raw PCM will be generated.
-    ``file=<filename>``
+    ``--ao-pcm-file=<filename>``
         Write the sound to ``<filename>`` instead of the default
         ``audiodump.wav``. If ``no-waveheader`` is specified, the default is
         ``audiodump.pcm``.
-    ``(no-)append``
+    ``--ao-pcm-append=<yes|no>``
         Append to the file, instead of overwriting it. Always use this with the
         ``no-waveheader`` option - with ``waveheader`` it's broken, because
         it will write a WAVE header every time the file is opened.
@@ -214,11 +228,13 @@ Available audio output drivers are:
               confused with RoarAudio, which is something completely
               different.
 
-    ``host=<name/path>``
+    The following global options are supported by this audio output:
+
+    ``--rsound-host=<name/path>``
         Set the address of the server (default: localhost).  Can be either a
         network hostname for TCP connections or a Unix domain socket path
         starting with '/'.
-    ``port=<number>``
+    ``--rsound-port=<number>``
         Set the TCP port used for connecting to the server (default: 12345).
         Not used if connecting to a Unix domain socket.
 
@@ -230,16 +246,20 @@ Available audio output drivers are:
     (Note: only supports mono, stereo, 4.0, 5.1 and 7.1 channel
     layouts.)
 
-    ``device=<device>``
+    The following global options are supported by this audio output:
+
+    ``--ao-sndio-device=<device>``
         sndio device to use (default: ``$AUDIODEVICE``, resp. ``snd0``).
 
 ``wasapi``
     Audio output to the Windows Audio Session API.
 
-    ``exclusive``
+    The following global options are supported by this audio output:
+
+    ``--ao-wasapi-exclusive``
         Requests exclusive, direct hardware access. By definition prevents
         sound playback of any other program until mpv exits.
-    ``device=<id>``
+    ``--ao-wasapi-device=<id>``
         Uses the requested endpoint instead of the system's default audio
         endpoint. Both an ordinal number (0,1,2,...) and the GUID
         String are valid; the GUID string is guaranteed to not change

DOCS/man/vo.rst

@@ -36,11 +36,13 @@ Available video output drivers are:
 
     .. note:: This driver is for compatibility with old systems.
 
-    ``adaptor=<number>``
+    The following global options are supported by this video output:
+
+    ``--xv-adaptor=<number>``
         Select a specific XVideo adapter (check xvinfo results).
-    ``port=<number>``
+    ``--xv-port=<number>``
         Select a specific XVideo port.
-    ``ck=<cur|use|set>``
+    ``--xv-ck=<cur|use|set>``
         Select the source from which the color key is taken (default: cur).
 
         cur
@@ -51,7 +53,7 @@ Available video output drivers are:
         set
           Same as use but also sets the supplied color key.
 
-    ``ck-method=<none|man|bg|auto>``
+    ``--xv-ck-method=<none|man|bg|auto>``
         Sets the color key drawing method (default: man).
 
         none
@@ -63,11 +65,11 @@ Available video output drivers are:
         auto
           Let Xv draw the color key.
 
-    ``colorkey=<number>``
+    ``--xv-colorkey=<number>``
         Changes the color key to an RGB value of your choice. ``0x000000`` is
         black and ``0xffffff`` is white.
 
-    ``buffers=<number>``
+    ``--xv-buffers=<number>``
         Number of image buffers to use for the internal ringbuffer (default: 2).
         Increasing this will use more memory, but might help with the X server
         not responding quickly enough if video FPS is close to or higher than
@@ -90,17 +92,19 @@ Available video output drivers are:
         ``chroma-deint``, ``pullup``, ``hqscaling``. These sub-options are
         deprecated, and you should use the ``vdpaupp`` video filter instead.
 
-    ``sharpen=<-1-1>``
+    The following global options are supported by this video output:
+
+    ``--vo-vdpau-sharpen=<-1-1>``
         (Deprecated. See note about ``vdpaupp``.)
 
         For positive values, apply a sharpening algorithm to the video, for
         negative values a blurring algorithm (default: 0).
-    ``denoise=<0-1>``
+    ``--vo-vdpau-denoise=<0-1>``
         (Deprecated. See note about ``vdpaupp``.)
 
         Apply a noise reduction algorithm to the video (default: 0; no noise
         reduction).
-    ``deint=<-4-4>``
+    ``--vo-vdpau-deint=<-4-4>``
         (Deprecated. See note about ``vdpaupp``.)
 
         Select deinterlacing mode (default: 0). In older versions (as well as
@@ -123,32 +127,32 @@ Available video output drivers are:
         4
             Motion-adaptive temporal deinterlacing with edge-guided spatial
             interpolation. Needs fast video hardware.
-    ``chroma-deint``
+    ``--vo-vdpau-chroma-deint``
         (Deprecated. See note about ``vdpaupp``.)
 
         Makes temporal deinterlacers operate both on luma and chroma (default).
         Use no-chroma-deint to solely use luma and speed up advanced
         deinterlacing. Useful with slow video memory.
-    ``pullup``
+    ``--vo-vdpau-pullup``
         (Deprecated. See note about ``vdpaupp``.)
 
         Try to apply inverse telecine, needs motion adaptive temporal
         deinterlacing.
-    ``hqscaling=<0-9>``
+    ``--vo-vdpau-hqscaling=<0-9>``
         (Deprecated. See note about ``vdpaupp``.)
 
         0
             Use default VDPAU scaling (default).
         1-9
             Apply high quality VDPAU scaling (needs capable hardware).
-    ``fps=<number>``
+    ``--vo-vdpau-fps=<number>``
         Override autodetected display refresh rate value (the value is needed
         for framedrop to allow video playback rates higher than display
         refresh rate, and for vsync-aware frame timing adjustments). Default 0
         means use autodetected value. A positive value is interpreted as a
         refresh rate in Hz and overrides the autodetected value. A negative
         value disables all timing adjustment and framedrop logic.
-    ``composite-detect``
+    ``--vo-vdpau-composite-detect``
         NVIDIA's current VDPAU implementation behaves somewhat differently
         under a compositing window manager and does not give accurate frame
         timing information. With this option enabled, the player tries to
@@ -159,20 +163,20 @@ Available video output drivers are:
         with the composited mode behavior of the NVIDIA driver, there is no
         hard playback speed limit even without the disabled logic. Enabled by
         default, use ``no-composite-detect`` to disable.
-    ``queuetime_windowed=<number>`` and ``queuetime_fs=<number>``
+    ``--vo-vdpau-queuetime_windowed=<number>`` and ``queuetime_fs=<number>``
         Use VDPAU's presentation queue functionality to queue future video
         frame changes at most this many milliseconds in advance (default: 50).
         See below for additional information.
-    ``output_surfaces=<2-15>``
+    ``--vo-vdpau-output_surfaces=<2-15>``
         Allocate this many output surfaces to display video frames (default:
         3). See below for additional information.
-    ``colorkey=<#RRGGBB|#AARRGGBB>``
+    ``--vo-vdpau-colorkey=<#RRGGBB|#AARRGGBB>``
         Set the VDPAU presentation queue background color, which in practice
         is the colorkey used if VDPAU operates in overlay mode (default:
         ``#020507``, some shade of black). If the alpha component of this value
         is 0, the default VDPAU colorkey will be used instead (which is usually
         green).
-    ``force-yuv``
+    ``--vo-vdpau-force-yuv``
         Never accept RGBA input. This means mpv will insert a filter to convert
         to a YUV format before the VO. Sometimes useful to force availability
         of certain YUV-only features, like video equalizer or deinterlacing.
@@ -208,29 +212,31 @@ Available video output drivers are:
     .. note:: Before to 0.21.0, ``direct3d_shaders`` and ``direct3d`` were
               different, with ``direct3d`` not using shader by default. Now
               both use shaders by default, and ``direct3d_shaders`` is a
-              deprecated alias. Use the ``prefer-stretchrect`` or the
-              ``disable-shaders`` sub-options to get the old behavior of
-              ``direct3d``.
+              deprecated alias. Use the ``--vo-direct3d-prefer-stretchrect``
+              or the ``--vo-direct3d-disable-shaders`` options to get the old
+              behavior of ``direct3d``.
 
-    ``prefer-stretchrect``
+    The following global options are supported by this video output:
+
+    ``--vo-direct3d-prefer-stretchrect``
         Use ``IDirect3DDevice9::StretchRect`` over other methods if possible.
 
-    ``disable-stretchrect``
+    ``--vo-direct3d-disable-stretchrect``
         Never render the video using ``IDirect3DDevice9::StretchRect``.
 
-    ``disable-textures``
+    ``--vo-direct3d-disable-textures``
         Never render the video using D3D texture rendering. Rendering with
         textures + shader will still be allowed. Add ``disable-shaders`` to
         completely disable video rendering with textures.
 
-    ``disable-shaders``
+    ``--vo-direct3d-disable-shaders``
         Never use shaders when rendering video.
 
-    ``only-8bit``
+    ``--vo-direct3d-only-8bit``
         Never render YUV video with more than 8 bits per component.
         Using this flag will force software conversion to 8-bit.
 
-    ``disable-texture-align``
+    ``--vo-direct3d-disable-texture-align``
         Normally texture sizes are always aligned to 16. With this option
         enabled, the video texture will always have exactly the same size as
         the video itself.
@@ -240,11 +246,11 @@ Available video output drivers are:
     might crash, might cause slow downs, etc. Contact the developers if you
     actually need any of these for performance or proper operation.
 
-    ``force-power-of-2``
+    ``--vo-direct3d-force-power-of-2``
         Always force textures to power of 2, even if the device reports
         non-power-of-2 texture sizes as supported.
 
-    ``texture-memory=<mode>``
+    ``--vo-direct3d-texture-memory=<mode>``
         Only affects operation with shaders/texturing enabled, and (E)OSD.
         Possible values:
 
@@ -268,11 +274,11 @@ Available video output drivers are:
             Use ``D3DPOOL_SCRATCH``, with a ``D3DPOOL_SYSTEMMEM`` texture for
             locking.
 
-    ``swap-discard``
+    ``--vo-direct3d-swap-discard``
         Use ``D3DSWAPEFFECT_DISCARD``, which might be faster.
         Might be slower too, as it must(?) clear every frame.
 
-    ``exact-backbuffer``
+    ``--vo-direct3d-exact-backbuffer``
         Always resize the backbuffer to window size.
 
 ``opengl``
@@ -315,10 +321,12 @@ Available video output drivers are:
     .. note:: This driver is for compatibility with systems that don't provide
               proper graphics drivers, or which support GLES only.
 
-    ``sw``
+    The following global options are supported by this video output:
+
+    ``--sdl-sw``
         Continue even if a software renderer is detected.
 
-    ``switch-mode``
+    ``--sdl-switch-mode``
         Instruct SDL to switch the monitor video mode when going fullscreen.
 
 ``vaapi``
@@ -330,7 +338,9 @@ Available video output drivers are:
     .. note:: This driver is for compatibility with crappy systems. You can
               use vaapi hardware decoding with ``--vo=opengl`` too.
 
-    ``scaling=<algorithm>``
+    The following global options are supported by this video output:
+
+    ``--vo-vaapi-scaling=<algorithm>``
         default
             Driver default (mpv default as well).
         fast
@@ -340,7 +350,7 @@ Available video output drivers are:
         nla
             ``non-linear anamorphic scaling``
 
-    ``deint-mode=<mode>``
+    ``--vo-vaapi-deint-mode=<mode>``
         Select deinterlacing algorithm. Note that by default deinterlacing is
         initially always off, and needs to be enabled with the ``d`` key
         (default key binding for ``cycle deinterlace``).
@@ -359,7 +369,7 @@ Available video output drivers are:
         bob
             bob deinterlacing (default for older libva).
 
-    ``scaled-osd=<yes|no>``
+    ``--vo-vaapi-scaled-osd=<yes|no>``
         If enabled, then the OSD is rendered at video resolution and scaled to
         display resolution. By default, this is disabled, and the OSD is
         rendered at display resolution if the driver supports it.
@@ -369,7 +379,9 @@ Available video output drivers are:
 
     Usually, it's better to disable video with ``--no-video`` instead.
 
-    ``fps=<value>``
+    The following global options are supported by this video output:
+
+    ``--vo-null-fps=<value>``
         Simulate display FPS. This artificially limits how many frames the
         VO accepts per second.
 
@@ -428,14 +440,16 @@ Available video output drivers are:
     .. note:: This driver is for compatibility with systems that don't provide
               working OpenGL drivers.
 
-    ``alpha``
+    The following global options are supported by this video output:
+
+    ``--vo-wayland-alpha``
         Use a buffer format that supports videos and images with alpha
         information
-    ``rgb565``
+    ``--vo-wayland-rgb565``
         Use RGB565 as buffer format. This format is implemented on most
         platforms, especially on embedded where it is far more efficient then
         RGB8888.
-    ``triple-buffering``
+    ``--vo-wayland-triple-buffering``
         Use 3 buffers instead of 2. This can lead to more fluid playback, but
         uses more memory.
 
@@ -448,22 +462,24 @@ Available video output drivers are:
 ``rpi`` (Raspberry Pi)
     Native video output on the Raspberry Pi using the MMAL API.
 
-    ``display=<number>``
+    The following global options are supported by this video output:
+
+    ``--rpi-display=<number>``
         Select the display number on which the video overlay should be shown
         (default: 0).
 
-    ``layer=<number>``
+    ``--rpi-layer=<number>``
         Select the dispmanx layer on which the video overlay should be shown
         (default: -10). Note that mpv will also use the 2 layers above the
         selected layer, to handle the window background and OSD. Actual video
         rendering will happen on the layer above the selected layer.
 
-    ``background=<yes|no>``
+    ``--rpi-background=<yes|no>``
         Whether to render a black background behind the video (default: no).
         Normally it's better to kill the console framebuffer instead, which
         gives better performance.
 
-    ``osd=<yes|no>``
+    ``--rpi-osd=<yes|no>``
         Enabled by default. If disabled with ``no``, no OSD layer is created.
         This also means there will be no subtitles rendered.
 
@@ -473,15 +489,17 @@ Available video output drivers are:
     environment (e.g. no X). Does not support hardware acceleration (if you
     need this, check the ``drm-egl`` backend for ``opengl`` VO).
 
-    ``connector=<number>``
+    The following global options are supported by this video output:
+
+    ``--drm-connector=<number>``
         Select the connector to use (usually this is a monitor.) If set to -1,
         mpv renders the output on the first available connector. (default: -1)
 
-    ``devpath=<filename>``
+    ``--drm-devpath=<filename>``
         Path to graphic card device.
         (default: /dev/dri/card0)
 
-    ``mode=<number>``
+    ``--drm-mode=<number>``
         Mode ID to use (resolution, bit depth and frame rate).
         (default: 0)
 

audio/out/ao_coreaudio.c

@@ -430,4 +430,5 @@ const struct ao_driver audio_out_coreaudio = {
         OPT_FLAG("exclusive", exclusive, 0),
         {0}
     },
+    .legacy_prefix = "coreaudio",
 };

audio/out/ao_null.c

@@ -241,4 +241,5 @@ const struct ao_driver audio_out_null = {
         OPT_CHANNELS("channel-layouts", channel_layouts, 0),
         {0}
     },
+    .legacy_prefix = "ao-null",
 };

audio/out/ao_openal.c

@@ -359,4 +359,5 @@ const struct ao_driver audio_out_openal = {
         OPT_STRING_VALIDATE("device", cfg_device, 0, validate_device_opt),
         {0}
     },
+    .legacy_prefix = "ao-openal",
 };

audio/out/ao_opensles.c

@@ -246,4 +246,5 @@ const struct ao_driver audio_out_opensles = {
         OPT_INTRANGE("sample-rate", cfg_sample_rate, 0, 1000, 100000),
         {0}
     },
+    .legacy_prefix = "opensles",
 };

audio/out/ao_oss.c

@@ -653,4 +653,5 @@ const struct ao_driver audio_out_oss = {
         OPT_STRING("mixer-channel", cfg_oss_mixer_channel, 0),
         {0}
     },
+    .legacy_prefix = "oss",
 };

audio/out/ao_pcm.c

@@ -226,4 +226,5 @@ const struct ao_driver audio_out_pcm = {
         OPT_FLAG("append", append, 0),
         {0}
     },
+    .legacy_prefix = "ao-pcm",
 };

audio/out/ao_pulse.c

@@ -841,4 +841,5 @@ const struct ao_driver audio_out_pulse = {
         OPT_FLAG("latency-hacks", cfg_latency_hacks, 0),
         {0}
     },
+    .legacy_prefix = "pulse",
 };

audio/out/ao_rsound.c

@@ -160,5 +160,6 @@ const struct ao_driver audio_out_rsound = {
         OPT_STRING("port", port, 0),
         {0}
     },
+    .legacy_prefix = "rsound",
 };
 

audio/out/ao_sdl.c

@@ -212,4 +212,5 @@ const struct ao_driver audio_out_sdl = {
         OPT_FLOAT("buflen", buflen, 0),
         {0}
     },
+    .legacy_prefix = "sdl",
 };

audio/out/ao_sndio.c

@@ -323,4 +323,5 @@ const struct ao_driver audio_out_sndio = {
         OPT_STRING("device", dev, 0, OPTDEF_STR(SIO_DEVANY)),
         {0}
     },
+    .legacy_prefix = "ao-sndio",
 };

audio/out/ao_wasapi.c

@@ -499,4 +499,5 @@ const struct ao_driver audio_out_wasapi = {
         OPT_STRING("device", opt_device, 0),
         {NULL},
     },
+    .legacy_prefix = "ao-wasapi",
 };

video/out/vo_direct3d.c

@@ -1749,4 +1749,5 @@ const struct vo_driver video_out_direct3d = {
     .priv_size = sizeof(d3d_priv),
     .priv_defaults = &defaults,
     .options = opts,
+    .legacy_prefix = "vo-direct3d",
 };

video/out/vo_drm.c

@@ -513,4 +513,5 @@ const struct vo_driver video_out_drm = {
         .connector_id = -1,
         .mode_id = 0,
     },
+    .legacy_prefix = "drm",
 };

video/out/vo_null.c

@@ -101,4 +101,5 @@ const struct vo_driver video_out_null = {
         OPT_DOUBLE("fps", cfg_fps, M_OPT_RANGE, .min = 0, .max = 10000),
         {0},
     },
+    .legacy_prefix = "vo-null",
 };

video/out/vo_rpi.c

@@ -803,4 +803,5 @@ const struct vo_driver video_out_rpi = {
     .uninit = uninit,
     .priv_size = sizeof(struct priv),
     .options = options,
+    .legacy_prefix = "rpi",
 };

video/out/vo_sdl.c

@@ -1034,4 +1034,5 @@ const struct vo_driver video_out_sdl = {
     .flip_page = flip_page,
     .wait_events = wait_events,
     .wakeup = wakeup,
+    .legacy_prefix = "sdl",
 };

video/out/vo_vaapi.c

@@ -698,4 +698,5 @@ const struct vo_driver video_out_vaapi = {
         OPT_FLAG("scaled-osd", force_scaled_osd, 0),
         {0}
     },
+    .legacy_prefix = "vo-vaapi",
 };

video/out/vo_vdpau.c

@@ -1162,5 +1162,6 @@ const struct vo_driver video_out_vdpau = {
                   }),
         OPT_FLAG("force-yuv", force_yuv, 0),
         {NULL},
-    }
+    },
+    .legacy_prefix = "vo-vdpau",
 };

video/out/vo_wayland.c

@@ -680,5 +680,6 @@ const struct vo_driver video_out_wayland = {
         OPT_FLAG("rgb565", use_rgb565, 0),
         {0}
     },
+    .legacy_prefix = "vo-wayland",
 };
 

video/out/vo_xv.c

@@ -935,4 +935,5 @@ const struct vo_driver video_out_xv = {
         OPT_REMOVED("no-colorkey", "use ck-method=none instead"),
         {0}
     },
+    .legacy_prefix = "xv",
 };