xref: /openbmc/qemu/ui/dbus-display1.xml (revision 3a9d38d31ea7bf99c62c8d97433baa85b3bdd5c9)
1<?xml version="1.0" encoding="utf-8"?>
2<node>
3  <!--
4      org.qemu.Display1.VM:
5
6      This interface is implemented on ``/org/qemu/Display1/VM``.
7  -->
8  <interface name="org.qemu.Display1.VM">
9    <!--
10        Name:
11
12        The name of the VM.
13    -->
14    <property name="Name" type="s" access="read"/>
15
16    <!--
17        UUID:
18
19        The UUID of the VM.
20    -->
21    <property name="UUID" type="s" access="read"/>
22
23    <!--
24        ConsoleIDs:
25
26        The list of consoles available on ``/org/qemu/Display1/Console_$id``.
27    -->
28    <property name="ConsoleIDs" type="au" access="read"/>
29
30    <!--
31        Interfaces:
32
33        This property lists extra interfaces provided by the
34        /org/qemu/Display1/VM object, and can be used to detect
35        the capabilities with which they are communicating.
36
37        Unlike the standard D-Bus Introspectable interface, querying this
38        property does not require parsing XML.
39
40        (earlier version of the display interface do not provide this property)
41    -->
42    <property name="Interfaces" type="as" access="read"/>
43  </interface>
44
45  <!--
46      org.qemu.Display1.Console:
47
48      This interface is implemented on ``/org/qemu/Display1/Console_$id``. You
49      may discover available consoles through introspection or with the
50      :dbus:prop:`org.qemu.Display1.VM.ConsoleIDs` property.
51
52      A console is attached to a video device head. It may be "Graphic" or
53      "Text" (see :dbus:prop:`Type` and other properties).
54
55      Interactions with a console may be done with
56      :dbus:iface:`org.qemu.Display1.Keyboard`,
57      :dbus:iface:`org.qemu.Display1.Mouse` and
58      :dbus:iface:`org.qemu.Display1.MultiTouch` interfaces when available.
59  -->
60  <interface name="org.qemu.Display1.Console">
61    <!--
62        RegisterListener:
63        @listener: a Unix socket FD, for peer-to-peer D-Bus communication.
64
65        Register a console listener, which will receive display updates, until
66        it is disconnected.
67
68        Multiple listeners may be registered simultaneously.
69
70        The listener is expected to implement the
71        :dbus:iface:`org.qemu.Display1.Listener` interface.
72    -->
73    <method name="RegisterListener">
74      <?if $(env.HOST_OS) == windows?>
75      <arg type="ay" name="listener" direction="in">
76        <annotation name="org.gtk.GDBus.C.ForceGVariant" value="true"/>
77      </arg>
78      <?else?>
79      <arg type="h" name="listener" direction="in"/>
80      <?endif?>
81    </method>
82
83    <!--
84        SetUIInfo:
85        @width_mm: the physical display width in millimeters.
86        @height_mm: the physical display height in millimeters.
87        @xoff: horizontal offset, in pixels.
88        @yoff: vertical offset, in pixels.
89        @width: console width, in pixels.
90        @height: console height, in pixels.
91
92        Modify the dimensions and display settings.
93    -->
94    <method name="SetUIInfo">
95      <arg name="width_mm" type="q" direction="in"/>
96      <arg name="height_mm" type="q" direction="in"/>
97      <arg name="xoff" type="i" direction="in"/>
98      <arg name="yoff" type="i" direction="in"/>
99      <arg name="width" type="u" direction="in"/>
100      <arg name="height" type="u" direction="in"/>
101    </method>
102
103    <!--
104        Label:
105
106        A user-friendly name for the console (for ex: "VGA").
107    -->
108    <property name="Label" type="s" access="read"/>
109
110    <!--
111        Head:
112
113        Graphical device head number.
114    -->
115    <property name="Head" type="u" access="read"/>
116
117    <!--
118        Type:
119
120        Console type ("Graphic" or "Text").
121    -->
122    <property name="Type" type="s" access="read"/>
123
124    <!--
125        Width:
126
127        Console width, in pixels.
128    -->
129    <property name="Width" type="u" access="read"/>
130
131    <!--
132        Height:
133
134        Console height, in pixels.
135    -->
136    <property name="Height" type="u" access="read"/>
137
138    <!--
139        DeviceAddress:
140
141        The device address (ex: "pci/0000/02.0").
142    -->
143    <property name="DeviceAddress" type="s" access="read"/>
144
145    <!--
146        Interfaces:
147
148        This property lists extra interfaces provided by the
149        ``/org/qemu/Display1/Console_$id`` object, and can be used to detect the
150        capabilities with which they are communicating.
151
152        Unlike the standard D-Bus Introspectable interface, querying this
153        property does not require parsing XML.
154
155        (earlier version of the display interface do not provide this property)
156    -->
157    <property name="Interfaces" type="as" access="read"/>
158  </interface>
159
160  <!--
161      org.qemu.Display1.Keyboard:
162
163      This interface is optionally implemented on
164      ``/org/qemu/Display1/Console_$id`` (see
165      :dbus:iface:`~org.qemu.Display1.Console`).
166  -->
167  <interface name="org.qemu.Display1.Keyboard">
168    <!--
169        Press:
170        @keycode: QEMU key number (xtkbd + special re-encoding of high bit)
171
172        Send a key press event.
173    -->
174    <method name="Press">
175      <arg type="u" name="keycode" direction="in"/>
176    </method>
177
178    <!--
179        Release:
180        @keycode: QEMU key number (xtkbd + special re-encoding of high bit)
181
182        Send a key release event.
183    -->
184    <method name="Release">
185      <arg type="u" name="keycode" direction="in"/>
186    </method>
187
188    <!--
189        Modifiers:
190
191        The active keyboard modifiers::
192
193          Scroll = 1 << 0
194          Num    = 1 << 1
195          Caps   = 1 << 2
196    -->
197    <property name="Modifiers" type="u" access="read"/>
198  </interface>
199
200  <!--
201      org.qemu.Display1.Mouse:
202
203      This interface is optionally implemented on
204      ``/org/qemu/Display1/Console_$id`` (see
205      :dbus:iface:`~org.qemu.Display1.Console` documentation).
206
207      .. _dbus-button-values:
208
209      **Button values**::
210
211        Left       = 0
212        Middle     = 1
213        Right      = 2
214        Wheel-up   = 3
215        Wheel-down = 4
216        Side       = 5
217        Extra      = 6
218  -->
219  <interface name="org.qemu.Display1.Mouse">
220    <!--
221        Press:
222        @button: :ref:`button value<dbus-button-values>`.
223
224        Send a mouse button press event.
225    -->
226    <method name="Press">
227      <arg type="u" name="button" direction="in"/>
228    </method>
229
230    <!--
231        Release:
232        @button: :ref:`button value<dbus-button-values>`.
233
234        Send a mouse button release event.
235    -->
236    <method name="Release">
237      <arg type="u" name="button" direction="in"/>
238    </method>
239
240    <!--
241        SetAbsPosition:
242        @x: X position, in pixels.
243        @y: Y position, in pixels.
244
245        Set the mouse pointer position.
246
247        Returns an error if not :dbus:prop:`IsAbsolute`.
248    -->
249    <method name="SetAbsPosition">
250      <arg type="u" name="x" direction="in"/>
251      <arg type="u" name="y" direction="in"/>
252    </method>
253
254    <!--
255        RelMotion:
256        @dx: X-delta, in pixels.
257        @dy: Y-delta, in pixels.
258
259        Move the mouse pointer position, relative to the current position.
260
261        Returns an error if :dbus:prop:`IsAbsolute`.
262    -->
263    <method name="RelMotion">
264      <arg type="i" name="dx" direction="in"/>
265      <arg type="i" name="dy" direction="in"/>
266    </method>
267
268    <!--
269        IsAbsolute:
270
271        Whether the mouse is using absolute movements.
272    -->
273    <property name="IsAbsolute" type="b" access="read"/>
274  </interface>
275
276  <!--
277      org.qemu.Display1.MultiTouch:
278
279      This interface in implemented on ``/org/qemu/Display1/Console_$id`` (see
280      :dbus:iface:`~org.qemu.Display1.Console` documentation).
281
282      .. _dbus-kind-values:
283
284      **Kind values**::
285
286        Begin       = 0
287        Update      = 1
288        End         = 2
289        Cancel      = 3
290  -->
291  <interface name="org.qemu.Display1.MultiTouch">
292    <!--
293        SendEvent:
294        @kind: The touch event kind
295        @num_slot: The slot number.
296        @x: The x coordinates.
297        @y: The y coordinates.
298
299        Send a touch gesture event.
300    -->
301    <method name="SendEvent">
302      <arg type="u" name="kind" direction="in"/>
303      <arg type="t" name="num_slot" direction="in"/>
304      <arg type="d" name="x" direction="in"/>
305      <arg type="d" name="y" direction="in"/>
306    </method>
307
308    <!--
309        MaxSlots:
310
311        The maximum number of slots.
312    -->
313    <property name="MaxSlots" type="i" access="read"/>
314  </interface>
315
316  <!--
317      org.qemu.Display1.Listener:
318
319      This client-side interface must be available on
320      ``/org/qemu/Display1/Listener`` when registering the peer-to-peer
321      connection with :dbus:meth:`~org.qemu.Display1.Console.Register`.
322  -->
323  <interface name="org.qemu.Display1.Listener">
324    <!--
325        Scanout:
326        @width: display width, in pixels.
327        @height: display height, in pixels.
328        @stride: data stride, in bytes.
329        @pixman_format: image format (ex: ``PIXMAN_X8R8G8B8``).
330        @data: image data.
331
332        Resize and update the display content.
333
334        The data to transfer for the display update may be large. The preferred
335        scanout method is :dbus:meth:`ScanoutDMABUF`, used whenever possible.
336    -->
337    <method name="Scanout">
338      <arg type="u" name="width" direction="in"/>
339      <arg type="u" name="height" direction="in"/>
340      <arg type="u" name="stride" direction="in"/>
341      <arg type="u" name="pixman_format" direction="in"/>
342      <arg type="ay" name="data" direction="in">
343        <annotation name="org.gtk.GDBus.C.ForceGVariant" value="true"/>
344      </arg>
345    </method>
346
347    <!--
348        Update:
349        @x: X update position, in pixels.
350        @y: Y update position, in pixels.
351        @width: update width, in pixels.
352        @height: update height, in pixels.
353        @stride: data stride, in bytes.
354        @pixman_format: image format (ex: ``PIXMAN_X8R8G8B8``).
355        @data: display image data.
356
357        Update the display content.
358
359        This method is only called after a :dbus:meth:`Scanout` call.
360    -->
361    <method name="Update">
362      <arg type="i" name="x" direction="in"/>
363      <arg type="i" name="y" direction="in"/>
364      <arg type="i" name="width" direction="in"/>
365      <arg type="i" name="height" direction="in"/>
366      <arg type="u" name="stride" direction="in"/>
367      <arg type="u" name="pixman_format" direction="in"/>
368      <arg type="ay" name="data" direction="in">
369        <annotation name="org.gtk.GDBus.C.ForceGVariant" value="true"/>
370      </arg>
371    </method>
372
373    <?if $(env.HOST_OS) != windows?>
374    <!--
375        ScanoutDMABUF:
376        @dmabuf: the DMABUF file descriptor.
377        @width: display width, in pixels.
378        @height: display height, in pixels.
379        @stride: stride, in bytes.
380        @fourcc: DMABUF fourcc.
381        @modifier: DMABUF modifier.
382        @y0_top: whether Y position 0 is the top or not.
383
384        Resize and update the display content with a DMABUF.
385    -->
386    <method name="ScanoutDMABUF">
387      <arg type="h" name="dmabuf" direction="in"/>
388      <arg type="u" name="width" direction="in"/>
389      <arg type="u" name="height" direction="in"/>
390      <arg type="u" name="stride" direction="in"/>
391      <arg type="u" name="fourcc" direction="in"/>
392      <!-- xywh? -->
393      <arg type="t" name="modifier" direction="in"/>
394      <arg type="b" name="y0_top" direction="in"/>
395    </method>
396
397    <!--
398        UpdateDMABUF:
399        @x: the X update position, in pixels.
400        @y: the Y update position, in pixels.
401        @width: the update width, in pixels.
402        @height: the update height, in pixels.
403
404        Update the display content with the current DMABUF and the given region.
405    -->
406    <method name="UpdateDMABUF">
407      <arg type="i" name="x" direction="in"/>
408      <arg type="i" name="y" direction="in"/>
409      <arg type="i" name="width" direction="in"/>
410      <arg type="i" name="height" direction="in"/>
411    </method>
412    <?endif?>
413
414    <!--
415        Disable:
416
417        Disable the display (turn it off).
418    -->
419    <method name="Disable">
420    </method>
421
422    <!--
423        MouseSet:
424        @x: X mouse position, in pixels.
425        @y: Y mouse position, in pixels.
426        @on: whether the mouse is visible or not.
427
428        Set the mouse position and visibility.
429    -->
430    <method name="MouseSet">
431      <arg type="i" name="x" direction="in"/>
432      <arg type="i" name="y" direction="in"/>
433      <arg type="i" name="on" direction="in"/>
434    </method>
435
436    <!--
437        CursorDefine:
438        @width: cursor width, in pixels.
439        @height: cursor height, in pixels.
440        @hot_x: hot-spot X position, in pixels.
441        @hot_y: hot-spot Y position, in pixels.
442        @data: the cursor data.
443
444        Set the mouse cursor shape and hot-spot. The "data" must be ARGB, 32-bit
445        per pixel.
446    -->
447    <method name="CursorDefine">
448      <arg type="i" name="width" direction="in"/>
449      <arg type="i" name="height" direction="in"/>
450      <arg type="i" name="hot_x" direction="in"/>
451      <arg type="i" name="hot_y" direction="in"/>
452      <arg type="ay" name="data" direction="in">
453        <annotation name="org.gtk.GDBus.C.ForceGVariant" value="true"/>
454      </arg>
455    </method>
456
457    <!--
458        Interfaces:
459
460        This property lists extra interfaces provided by the
461        /org/qemu/Display1/Listener object, and can be used to detect
462        the capabilities with which they are communicating.
463
464        Unlike the standard D-Bus Introspectable interface, querying this
465        property does not require parsing XML.
466
467        (earlier version of the display interface do not provide this property)
468    -->
469    <property name="Interfaces" type="as" access="read"/>
470  </interface>
471
472  <!--
473      org.qemu.Display1.Listener.Win32.Map:
474
475      This optional client-side interface can complement
476      org.qemu.Display1.Listener on ``/org/qemu/Display1/Listener`` for Windows
477      specific shared memory scanouts.
478  -->
479  <?if $(env.HOST_OS) == windows?>
480  <interface name="org.qemu.Display1.Listener.Win32.Map">
481    <!--
482        ScanoutMap:
483        @handle: the shared map handle value.
484        @offset: mapping offset.
485        @width: display width, in pixels.
486        @height: display height, in pixels.
487        @stride: stride, in bytes.
488        @pixman_format: image format (ex: ``PIXMAN_X8R8G8B8``).
489
490        Resize and update the display content with a shared map.
491    -->
492    <method name="ScanoutMap">
493      <arg type="t" name="handle" direction="in"/>
494      <arg type="u" name="offset" direction="in"/>
495      <arg type="u" name="width" direction="in"/>
496      <arg type="u" name="height" direction="in"/>
497      <arg type="u" name="stride" direction="in"/>
498      <arg type="u" name="pixman_format" direction="in"/>
499    </method>
500
501    <!--
502        UpdateMap:
503        @x: the X update position, in pixels.
504        @y: the Y update position, in pixels.
505        @width: the update width, in pixels.
506        @height: the update height, in pixels.
507
508        Update the display content with the current shared map and the given region.
509    -->
510    <method name="UpdateMap">
511      <arg type="i" name="x" direction="in"/>
512      <arg type="i" name="y" direction="in"/>
513      <arg type="i" name="width" direction="in"/>
514      <arg type="i" name="height" direction="in"/>
515    </method>
516  </interface>
517  <?endif?>
518
519  <!--
520      org.qemu.Display1.Listener.Win32.D3d11:
521
522      This optional client-side interface can complement
523      org.qemu.Display1.Listener on ``/org/qemu/Display1/Listener`` for Windows
524      specific Direct3D texture sharing of the scanouts.
525  -->
526  <interface name="org.qemu.Display1.Listener.Win32.D3d11">
527    <!--
528        ScanoutTexture2d:
529        @handle: the NT handle for the shared texture (to be opened back with ID3D11Device1::OpenSharedResource1).
530        @texture_width: texture width, in pixels.
531        @texture_height: texture height, in pixels.
532        @y0_top: whether Y position 0 is the top or not.
533        @x: the X scanout position, in pixels.
534        @y: the Y scanout position, in pixels.
535        @width: the scanout width, in pixels.
536        @height: the scanout height, in pixels.
537
538        Resize and update the display content with a Direct3D 11 2D texture.
539        You must acquire and release the associated KeyedMutex 0 during rendering.
540    -->
541    <method name="ScanoutTexture2d">
542      <arg type="t" name="handle" direction="in"/>
543      <arg type="u" name="texture_width" direction="in"/>
544      <arg type="u" name="texture_height" direction="in"/>
545      <arg type="b" name="y0_top" direction="in"/>
546      <arg type="u" name="x" direction="in"/>
547      <arg type="u" name="y" direction="in"/>
548      <arg type="u" name="width" direction="in"/>
549      <arg type="u" name="height" direction="in"/>
550    </method>
551
552    <!--
553        UpdateTexture2d:
554        @x: the X update position, in pixels.
555        @y: the Y update position, in pixels.
556        @width: the update width, in pixels.
557        @height: the update height, in pixels.
558
559        Update the display content with the current Direct3D 2D texture and the given region.
560        You must acquire and release the associated KeyedMutex 0 during rendering.
561    -->
562    <method name="UpdateTexture2d">
563      <arg type="i" name="x" direction="in"/>
564      <arg type="i" name="y" direction="in"/>
565      <arg type="i" name="width" direction="in"/>
566      <arg type="i" name="height" direction="in"/>
567    </method>
568  </interface>
569
570  <!--
571      org.qemu.Display1.Clipboard:
572
573      This interface must be implemented by both the client and the server on
574      ``/org/qemu/Display1/Clipboard`` to support clipboard sharing between
575      the client and the guest.
576
577      Once :dbus:meth:`Register`'ed, method calls may be sent and received in both
578      directions. Unregistered callers will get error replies.
579
580      .. _dbus-clipboard-selection:
581
582      **Selection values**::
583
584        Clipboard   = 0
585        Primary     = 1
586        Secondary   = 2
587
588      .. _dbus-clipboard-serial:
589
590      **Serial counter**
591
592      To solve potential clipboard races, clipboard grabs have an associated
593      serial counter. It is set to 0 on registration, and incremented by 1 for
594      each grab. The peer with the highest serial is the clipboard grab owner.
595
596      When a grab with a lower serial is received, it should be discarded.
597
598      When a grab is attempted with the same serial number as the current grab,
599      the one coming from the client should have higher priority, and the client
600      should gain clipboard grab ownership.
601  -->
602  <interface name="org.qemu.Display1.Clipboard">
603    <!--
604        Register:
605
606        Register a clipboard session and reinitialize the serial counter.
607
608        The client must register itself, and is granted an exclusive
609        access for handling the clipboard.
610
611        The server can reinitialize the session as well (to reset the counter).
612    -->
613    <method name="Register"/>
614
615    <!--
616        Unregister:
617
618        Unregister the clipboard session.
619    -->
620    <method name="Unregister"/>
621    <!--
622        Grab:
623        @selection: a :ref:`selection value<dbus-clipboard-selection>`.
624        @serial: the current grab :ref:`serial<dbus-clipboard-serial>`.
625        @mimes: the list of available content MIME types.
626
627        Grab the clipboard, claiming current clipboard content.
628    -->
629    <method name="Grab">
630      <arg type="u" name="selection"/>
631      <arg type="u" name="serial"/>
632      <arg type="as" name="mimes"/>
633    </method>
634
635    <!--
636        Release:
637        @selection: a :ref:`selection value<dbus-clipboard-selection>`.
638
639        Release the clipboard (does nothing if not the current owner).
640    -->
641    <method name="Release">
642      <arg type="u" name="selection"/>
643    </method>
644
645    <!--
646        Request:
647        @selection: a :ref:`selection value<dbus-clipboard-selection>`
648        @mimes: requested MIME types (by order of preference).
649        @reply_mime: the returned data MIME type.
650        @data: the clipboard data.
651
652        Request the clipboard content.
653
654        Return an error if the clipboard is empty, or the requested MIME types
655        are unavailable.
656    -->
657    <method name="Request">
658      <arg type="u" name="selection"/>
659      <arg type="as" name="mimes"/>
660      <arg type="s" name="reply_mime" direction="out"/>
661      <arg type="ay" name="data" direction="out">
662        <annotation name="org.gtk.GDBus.C.ForceGVariant" value="true"/>
663      </arg>
664    </method>
665
666    <!--
667        Interfaces:
668
669        This property lists extra interfaces provided by the
670        /org/qemu/Display1/Clipboard object, and can be used to detect
671        the capabilities with which they are communicating.
672
673        Unlike the standard D-Bus Introspectable interface, querying this
674        property does not require parsing XML.
675
676        (earlier version of the display interface do not provide this property)
677    -->
678    <property name="Interfaces" type="as" access="read"/>
679  </interface>
680
681  <!--
682      org.qemu.Display1.Audio:
683
684      Audio backend may be available on ``/org/qemu/Display1/Audio``.
685  -->
686  <interface name="org.qemu.Display1.Audio">
687    <!--
688        RegisterOutListener:
689        @listener: a Unix socket FD, for peer-to-peer D-Bus communication.
690
691        Register an audio backend playback handler.
692
693        Multiple listeners may be registered simultaneously.
694
695        The listener is expected to implement the
696        :dbus:iface:`org.qemu.Display1.AudioOutListener` interface.
697    -->
698    <method name="RegisterOutListener">
699      <?if $(env.HOST_OS) == windows?>
700      <arg type="ay" name="listener" direction="in">
701        <annotation name="org.gtk.GDBus.C.ForceGVariant" value="true"/>
702      </arg>
703      <?else?>
704      <arg type="h" name="listener" direction="in"/>
705      <?endif?>
706    </method>
707
708    <!--
709        RegisterInListener:
710        @listener: a Unix socket FD, for peer-to-peer D-Bus communication.
711
712        Register an audio backend record handler.
713
714        Multiple listeners may be registered simultaneously.
715
716        The listener is expected to implement the
717        :dbus:iface:`org.qemu.Display1.AudioInListener` interface.
718    -->
719    <method name="RegisterInListener">
720      <?if $(env.HOST_OS) == windows?>
721      <arg type="ay" name="listener" direction="in">
722        <annotation name="org.gtk.GDBus.C.ForceGVariant" value="true"/>
723      </arg>
724      <?else?>
725      <arg type="h" name="listener" direction="in"/>
726      <?endif?>
727    </method>
728
729    <!--
730        Interfaces:
731
732        This property lists extra interfaces provided by the
733        /org/qemu/Display1/Audio object, and can be used to detect
734        the capabilities with which they are communicating.
735
736        Unlike the standard D-Bus Introspectable interface, querying this
737        property does not require parsing XML.
738
739        (earlier version of the display interface do not provide this property)
740    -->
741    <property name="Interfaces" type="as" access="read"/>
742  </interface>
743
744  <!--
745      org.qemu.Display1.AudioOutListener:
746
747      This client-side interface must be available on
748      ``/org/qemu/Display1/AudioOutListener`` when registering the peer-to-peer
749      connection with :dbus:meth:`~org.qemu.Display1.Audio.RegisterOutListener`.
750  -->
751  <interface name="org.qemu.Display1.AudioOutListener">
752    <!--
753        Init:
754        @id: the stream ID.
755        @bits: PCM bits per sample.
756        @is_signed: whether the PCM data is signed.
757        @is_float: PCM floating point format.
758        @freq: the PCM frequency in Hz.
759        @nchannels: the number of channels.
760        @bytes_per_frame: the bytes per frame.
761        @bytes_per_second: the bytes per second.
762        @be: whether using big-endian format.
763
764        Initializes a PCM playback stream.
765    -->
766    <method name="Init">
767      <arg name="id" type="t" direction="in"/>
768      <arg name="bits" type="y" direction="in"/>
769      <arg name="is_signed" type="b" direction="in"/>
770      <arg name="is_float" type="b" direction="in"/>
771      <arg name="freq" type="u" direction="in"/>
772      <arg name="nchannels" type="y" direction="in"/>
773      <arg name="bytes_per_frame" type="u" direction="in"/>
774      <arg name="bytes_per_second" type="u" direction="in"/>
775      <arg name="be" type="b" direction="in"/>
776    </method>
777
778    <!--
779        Fini:
780        @id: the stream ID.
781
782        Finish & close a playback stream.
783    -->
784    <method name="Fini">
785      <arg name="id" type="t" direction="in"/>
786    </method>
787
788    <!--
789        SetEnabled:
790        @id: the stream ID.
791
792        Resume or suspend the playback stream.
793    -->
794    <method name="SetEnabled">
795      <arg name="id" type="t" direction="in"/>
796      <arg name="enabled" type="b" direction="in"/>
797    </method>
798
799    <!--
800        SetVolume:
801        @id: the stream ID.
802        @mute: whether the stream is muted.
803        @volume: the volume per-channel.
804
805        Set the stream volume and mute state (volume without unit, 0-255).
806    -->
807    <method name="SetVolume">
808      <arg name="id" type="t" direction="in"/>
809      <arg name="mute" type="b" direction="in"/>
810      <arg name="volume" type="ay" direction="in">
811        <annotation name="org.gtk.GDBus.C.ForceGVariant" value="true"/>
812      </arg>
813    </method>
814
815    <!--
816        Write:
817        @id: the stream ID.
818        @data: the PCM data.
819
820        PCM stream to play.
821    -->
822    <method name="Write">
823      <arg name="id" type="t" direction="in"/>
824      <arg type="ay" name="data" direction="in">
825        <annotation name="org.gtk.GDBus.C.ForceGVariant" value="true"/>
826      </arg>
827    </method>
828
829    <!--
830        Interfaces:
831
832        This property lists extra interfaces provided by the
833        /org/qemu/Display1/AudioOutListener object, and can be used to detect
834        the capabilities with which they are communicating.
835
836        Unlike the standard D-Bus Introspectable interface, querying this
837        property does not require parsing XML.
838
839        (earlier version of the display interface do not provide this property)
840    -->
841    <property name="Interfaces" type="as" access="read"/>
842  </interface>
843
844  <!--
845      org.qemu.Display1.AudioInListener:
846
847      This client-side interface must be available on
848      ``/org/qemu/Display1/AudioInListener`` when registering the peer-to-peer
849      connection with :dbus:meth:`~org.qemu.Display1.Audio.RegisterInListener`.
850  -->
851  <interface name="org.qemu.Display1.AudioInListener">
852    <!--
853        Init:
854        @id: the stream ID.
855        @bits: PCM bits per sample.
856        @is_signed: whether the PCM data is signed.
857        @is_float: PCM floating point format.
858        @freq: the PCM frequency in Hz.
859        @nchannels: the number of channels.
860        @bytes_per_frame: the bytes per frame.
861        @bytes_per_second: the bytes per second.
862        @be: whether using big-endian format.
863
864        Initializes a PCM record stream.
865    -->
866    <method name="Init">
867      <arg name="id" type="t" direction="in"/>
868      <arg name="bits" type="y" direction="in"/>
869      <arg name="is_signed" type="b" direction="in"/>
870      <arg name="is_float" type="b" direction="in"/>
871      <arg name="freq" type="u" direction="in"/>
872      <arg name="nchannels" type="y" direction="in"/>
873      <arg name="bytes_per_frame" type="u" direction="in"/>
874      <arg name="bytes_per_second" type="u" direction="in"/>
875      <arg name="be" type="b" direction="in"/>
876    </method>
877
878    <!--
879        Fini:
880        @id: the stream ID.
881
882        Finish & close a record stream.
883    -->
884    <method name="Fini">
885      <arg name="id" type="t" direction="in"/>
886    </method>
887
888    <!--
889        SetEnabled:
890        @id: the stream ID.
891
892        Resume or suspend the record stream.
893    -->
894    <method name="SetEnabled">
895      <arg name="id" type="t" direction="in"/>
896      <arg name="enabled" type="b" direction="in"/>
897    </method>
898
899    <!--
900        SetVolume:
901        @id: the stream ID.
902        @mute: whether the stream is muted.
903        @volume: the volume per-channel.
904
905        Set the stream volume and mute state (volume without unit, 0-255).
906    -->
907    <method name="SetVolume">
908      <arg name="id" type="t" direction="in"/>
909      <arg name="mute" type="b" direction="in"/>
910      <arg name="volume" type="ay" direction="in">
911        <annotation name="org.gtk.GDBus.C.ForceGVariant" value="true"/>
912      </arg>
913    </method>
914
915    <!--
916        Read:
917        @id: the stream ID.
918        @size: the amount to read, in bytes.
919        @data: the recorded data (which may be less than requested).
920
921        Read "size" bytes from the record stream.
922    -->
923    <method name="Read">
924      <arg name="id" type="t" direction="in"/>
925      <arg name="size" type="t" direction="in"/>
926      <arg type="ay" name="data" direction="out">
927        <annotation name="org.gtk.GDBus.C.ForceGVariant" value="true"/>
928      </arg>
929    </method>
930
931    <!--
932        Interfaces:
933
934        This property lists extra interfaces provided by the
935        /org/qemu/Display1/AudioInListener object, and can be used to detect
936        the capabilities with which they are communicating.
937
938        Unlike the standard D-Bus Introspectable interface, querying this
939        property does not require parsing XML.
940
941        (earlier version of the display interface do not provide this property)
942    -->
943    <property name="Interfaces" type="as" access="read"/>
944  </interface>
945
946  <!--
947      org.qemu.Display1.Chardev:
948
949      Character devices may be available on ``/org/qemu/Display1/Chardev_$id``.
950
951      They may be used for different kind of streams, which are identified via
952      their FQDN :dbus:prop:`Name`.
953
954      .. _dbus-chardev-fqdn:
955
956      Here are some known reserved kind names (the ``org.qemu`` prefix is
957      reserved by QEMU):
958
959      org.qemu.console.serial.0
960        A serial console stream.
961
962      org.qemu.monitor.hmp.0
963        A QEMU HMP human monitor.
964
965      org.qemu.monitor.qmp.0
966        A QEMU QMP monitor.
967
968      org.qemu.usbredir
969        A usbredir stream.
970  -->
971  <interface name="org.qemu.Display1.Chardev">
972    <!--
973        Register:
974        @stream: a Unix FD to redirect the stream to.
975
976        Register a file-descriptor for the stream handling.
977
978        The current handler, if any, will be replaced.
979    -->
980    <method name="Register">
981      <?if $(env.HOST_OS) == windows?>
982      <arg type="ay" name="listener" direction="in">
983        <annotation name="org.gtk.GDBus.C.ForceGVariant" value="true"/>
984      </arg>
985      <?else?>
986      <arg type="h" name="stream" direction="in"/>
987      <?endif?>
988    </method>
989
990    <!--
991        SendBreak:
992
993        Send a break event to the character device.
994    -->
995    <method name="SendBreak"/>
996
997    <!--
998        Name:
999
1000        The FQDN name to identify the kind of stream. See :ref:`reserved
1001        names<dbus-chardev-fqdn>`.
1002    -->
1003    <property name="Name" type="s" access="read"/>
1004
1005    <!--
1006        FEOpened:
1007
1008        Whether the front-end side is opened.
1009    -->
1010    <property name="FEOpened" type="b" access="read"/>
1011
1012    <!--
1013        Echo:
1014
1015        Whether the input should be echo'ed (for serial streams).
1016    -->
1017    <property name="Echo" type="b" access="read"/>
1018
1019    <!--
1020        Owner:
1021
1022        The D-Bus unique name of the registered handler.
1023    -->
1024    <property name="Owner" type="s" access="read"/>
1025
1026    <!--
1027        Interfaces:
1028
1029        This property lists extra interfaces provided by the
1030        ``/org/qemu/Display1/Chardev_$i`` object, and can be used to detect
1031        the capabilities with which they are communicating.
1032
1033        Unlike the standard D-Bus Introspectable interface, querying this
1034        property does not require parsing XML.
1035
1036        (earlier version of the display interface do not provide this property)
1037    -->
1038    <property name="Interfaces" type="as" access="read"/>
1039  </interface>
1040</node>
1041