xref: /openbmc/qemu/ui/dbus-display1.xml (revision bf616ce4)
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  <interface name="org.qemu.Display1.Listener.Win32.Map">
480    <!--
481        ScanoutMap:
482        @handle: the shared map handle value.
483        @offset: mapping offset.
484        @width: display width, in pixels.
485        @height: display height, in pixels.
486        @stride: stride, in bytes.
487        @pixman_format: image format (ex: ``PIXMAN_X8R8G8B8``).
488
489        Resize and update the display content with a shared map.
490    -->
491    <method name="ScanoutMap">
492      <arg type="t" name="handle" direction="in"/>
493      <arg type="u" name="offset" direction="in"/>
494      <arg type="u" name="width" direction="in"/>
495      <arg type="u" name="height" direction="in"/>
496      <arg type="u" name="stride" direction="in"/>
497      <arg type="u" name="pixman_format" direction="in"/>
498    </method>
499
500    <!--
501        UpdateMap:
502        @x: the X update position, in pixels.
503        @y: the Y update position, in pixels.
504        @width: the update width, in pixels.
505        @height: the update height, in pixels.
506
507        Update the display content with the current shared map and the given region.
508    -->
509    <method name="UpdateMap">
510      <arg type="i" name="x" direction="in"/>
511      <arg type="i" name="y" direction="in"/>
512      <arg type="i" name="width" direction="in"/>
513      <arg type="i" name="height" direction="in"/>
514    </method>
515  </interface>
516
517  <!--
518      org.qemu.Display1.Listener.Win32.D3d11:
519
520      This optional client-side interface can complement
521      org.qemu.Display1.Listener on ``/org/qemu/Display1/Listener`` for Windows
522      specific Direct3D texture sharing of the scanouts.
523  -->
524  <interface name="org.qemu.Display1.Listener.Win32.D3d11">
525    <!--
526        ScanoutTexture2d:
527        @handle: the NT handle for the shared texture (to be opened back with ID3D11Device1::OpenSharedResource1).
528        @texture_width: texture width, in pixels.
529        @texture_height: texture height, in pixels.
530        @y0_top: whether Y position 0 is the top or not.
531        @x: the X scanout position, in pixels.
532        @y: the Y scanout position, in pixels.
533        @width: the scanout width, in pixels.
534        @height: the scanout height, in pixels.
535
536        Resize and update the display content with a Direct3D 11 2D texture.
537        You must acquire and release the associated KeyedMutex 0 during rendering.
538    -->
539    <method name="ScanoutTexture2d">
540      <arg type="t" name="handle" direction="in"/>
541      <arg type="u" name="texture_width" direction="in"/>
542      <arg type="u" name="texture_height" direction="in"/>
543      <arg type="b" name="y0_top" direction="in"/>
544      <arg type="u" name="x" direction="in"/>
545      <arg type="u" name="y" direction="in"/>
546      <arg type="u" name="width" direction="in"/>
547      <arg type="u" name="height" direction="in"/>
548    </method>
549
550    <!--
551        UpdateTexture2d:
552        @x: the X update position, in pixels.
553        @y: the Y update position, in pixels.
554        @width: the update width, in pixels.
555        @height: the update height, in pixels.
556
557        Update the display content with the current Direct3D 2D texture and the given region.
558        You must acquire and release the associated KeyedMutex 0 during rendering.
559    -->
560    <method name="UpdateTexture2d">
561      <arg type="i" name="x" direction="in"/>
562      <arg type="i" name="y" direction="in"/>
563      <arg type="i" name="width" direction="in"/>
564      <arg type="i" name="height" direction="in"/>
565    </method>
566  </interface>
567
568  <!--
569      org.qemu.Display1.Clipboard:
570
571      This interface must be implemented by both the client and the server on
572      ``/org/qemu/Display1/Clipboard`` to support clipboard sharing between
573      the client and the guest.
574
575      Once :dbus:meth:`Register`'ed, method calls may be sent and received in both
576      directions. Unregistered callers will get error replies.
577
578      .. _dbus-clipboard-selection:
579
580      **Selection values**::
581
582        Clipboard   = 0
583        Primary     = 1
584        Secondary   = 2
585
586      .. _dbus-clipboard-serial:
587
588      **Serial counter**
589
590      To solve potential clipboard races, clipboard grabs have an associated
591      serial counter. It is set to 0 on registration, and incremented by 1 for
592      each grab. The peer with the highest serial is the clipboard grab owner.
593
594      When a grab with a lower serial is received, it should be discarded.
595
596      When a grab is attempted with the same serial number as the current grab,
597      the one coming from the client should have higher priority, and the client
598      should gain clipboard grab ownership.
599  -->
600  <interface name="org.qemu.Display1.Clipboard">
601    <!--
602        Register:
603
604        Register a clipboard session and reinitialize the serial counter.
605
606        The client must register itself, and is granted an exclusive
607        access for handling the clipboard.
608
609        The server can reinitialize the session as well (to reset the counter).
610    -->
611    <method name="Register"/>
612
613    <!--
614        Unregister:
615
616        Unregister the clipboard session.
617    -->
618    <method name="Unregister"/>
619    <!--
620        Grab:
621        @selection: a :ref:`selection value<dbus-clipboard-selection>`.
622        @serial: the current grab :ref:`serial<dbus-clipboard-serial>`.
623        @mimes: the list of available content MIME types.
624
625        Grab the clipboard, claiming current clipboard content.
626    -->
627    <method name="Grab">
628      <arg type="u" name="selection"/>
629      <arg type="u" name="serial"/>
630      <arg type="as" name="mimes"/>
631    </method>
632
633    <!--
634        Release:
635        @selection: a :ref:`selection value<dbus-clipboard-selection>`.
636
637        Release the clipboard (does nothing if not the current owner).
638    -->
639    <method name="Release">
640      <arg type="u" name="selection"/>
641    </method>
642
643    <!--
644        Request:
645        @selection: a :ref:`selection value<dbus-clipboard-selection>`
646        @mimes: requested MIME types (by order of preference).
647        @reply_mime: the returned data MIME type.
648        @data: the clipboard data.
649
650        Request the clipboard content.
651
652        Return an error if the clipboard is empty, or the requested MIME types
653        are unavailable.
654    -->
655    <method name="Request">
656      <arg type="u" name="selection"/>
657      <arg type="as" name="mimes"/>
658      <arg type="s" name="reply_mime" direction="out"/>
659      <arg type="ay" name="data" direction="out">
660        <annotation name="org.gtk.GDBus.C.ForceGVariant" value="true"/>
661      </arg>
662    </method>
663
664    <!--
665        Interfaces:
666
667        This property lists extra interfaces provided by the
668        /org/qemu/Display1/Clipboard object, and can be used to detect
669        the capabilities with which they are communicating.
670
671        Unlike the standard D-Bus Introspectable interface, querying this
672        property does not require parsing XML.
673
674        (earlier version of the display interface do not provide this property)
675    -->
676    <property name="Interfaces" type="as" access="read"/>
677  </interface>
678
679  <!--
680      org.qemu.Display1.Audio:
681
682      Audio backend may be available on ``/org/qemu/Display1/Audio``.
683  -->
684  <interface name="org.qemu.Display1.Audio">
685    <!--
686        RegisterOutListener:
687        @listener: a Unix socket FD, for peer-to-peer D-Bus communication.
688
689        Register an audio backend playback handler.
690
691        Multiple listeners may be registered simultaneously.
692
693        The listener is expected to implement the
694        :dbus:iface:`org.qemu.Display1.AudioOutListener` interface.
695    -->
696    <method name="RegisterOutListener">
697      <?if $(env.HOST_OS) == windows?>
698      <arg type="ay" name="listener" direction="in">
699        <annotation name="org.gtk.GDBus.C.ForceGVariant" value="true"/>
700      </arg>
701      <?else?>
702      <arg type="h" name="listener" direction="in"/>
703      <?endif?>
704    </method>
705
706    <!--
707        RegisterInListener:
708        @listener: a Unix socket FD, for peer-to-peer D-Bus communication.
709
710        Register an audio backend record handler.
711
712        Multiple listeners may be registered simultaneously.
713
714        The listener is expected to implement the
715        :dbus:iface:`org.qemu.Display1.AudioInListener` interface.
716    -->
717    <method name="RegisterInListener">
718      <?if $(env.HOST_OS) == windows?>
719      <arg type="ay" name="listener" direction="in">
720        <annotation name="org.gtk.GDBus.C.ForceGVariant" value="true"/>
721      </arg>
722      <?else?>
723      <arg type="h" name="listener" direction="in"/>
724      <?endif?>
725    </method>
726
727    <!--
728        Interfaces:
729
730        This property lists extra interfaces provided by the
731        /org/qemu/Display1/Audio object, and can be used to detect
732        the capabilities with which they are communicating.
733
734        Unlike the standard D-Bus Introspectable interface, querying this
735        property does not require parsing XML.
736
737        (earlier version of the display interface do not provide this property)
738    -->
739    <property name="Interfaces" type="as" access="read"/>
740  </interface>
741
742  <!--
743      org.qemu.Display1.AudioOutListener:
744
745      This client-side interface must be available on
746      ``/org/qemu/Display1/AudioOutListener`` when registering the peer-to-peer
747      connection with :dbus:meth:`~org.qemu.Display1.Audio.RegisterOutListener`.
748  -->
749  <interface name="org.qemu.Display1.AudioOutListener">
750    <!--
751        Init:
752        @id: the stream ID.
753        @bits: PCM bits per sample.
754        @is_signed: whether the PCM data is signed.
755        @is_float: PCM floating point format.
756        @freq: the PCM frequency in Hz.
757        @nchannels: the number of channels.
758        @bytes_per_frame: the bytes per frame.
759        @bytes_per_second: the bytes per second.
760        @be: whether using big-endian format.
761
762        Initializes a PCM playback stream.
763    -->
764    <method name="Init">
765      <arg name="id" type="t" direction="in"/>
766      <arg name="bits" type="y" direction="in"/>
767      <arg name="is_signed" type="b" direction="in"/>
768      <arg name="is_float" type="b" direction="in"/>
769      <arg name="freq" type="u" direction="in"/>
770      <arg name="nchannels" type="y" direction="in"/>
771      <arg name="bytes_per_frame" type="u" direction="in"/>
772      <arg name="bytes_per_second" type="u" direction="in"/>
773      <arg name="be" type="b" direction="in"/>
774    </method>
775
776    <!--
777        Fini:
778        @id: the stream ID.
779
780        Finish & close a playback stream.
781    -->
782    <method name="Fini">
783      <arg name="id" type="t" direction="in"/>
784    </method>
785
786    <!--
787        SetEnabled:
788        @id: the stream ID.
789
790        Resume or suspend the playback stream.
791    -->
792    <method name="SetEnabled">
793      <arg name="id" type="t" direction="in"/>
794      <arg name="enabled" type="b" direction="in"/>
795    </method>
796
797    <!--
798        SetVolume:
799        @id: the stream ID.
800        @mute: whether the stream is muted.
801        @volume: the volume per-channel.
802
803        Set the stream volume and mute state (volume without unit, 0-255).
804    -->
805    <method name="SetVolume">
806      <arg name="id" type="t" direction="in"/>
807      <arg name="mute" type="b" direction="in"/>
808      <arg name="volume" type="ay" direction="in">
809        <annotation name="org.gtk.GDBus.C.ForceGVariant" value="true"/>
810      </arg>
811    </method>
812
813    <!--
814        Write:
815        @id: the stream ID.
816        @data: the PCM data.
817
818        PCM stream to play.
819    -->
820    <method name="Write">
821      <arg name="id" type="t" direction="in"/>
822      <arg type="ay" name="data" direction="in">
823        <annotation name="org.gtk.GDBus.C.ForceGVariant" value="true"/>
824      </arg>
825    </method>
826
827    <!--
828        Interfaces:
829
830        This property lists extra interfaces provided by the
831        /org/qemu/Display1/AudioOutListener object, and can be used to detect
832        the capabilities with which they are communicating.
833
834        Unlike the standard D-Bus Introspectable interface, querying this
835        property does not require parsing XML.
836
837        (earlier version of the display interface do not provide this property)
838    -->
839    <property name="Interfaces" type="as" access="read"/>
840  </interface>
841
842  <!--
843      org.qemu.Display1.AudioInListener:
844
845      This client-side interface must be available on
846      ``/org/qemu/Display1/AudioInListener`` when registering the peer-to-peer
847      connection with :dbus:meth:`~org.qemu.Display1.Audio.RegisterInListener`.
848  -->
849  <interface name="org.qemu.Display1.AudioInListener">
850    <!--
851        Init:
852        @id: the stream ID.
853        @bits: PCM bits per sample.
854        @is_signed: whether the PCM data is signed.
855        @is_float: PCM floating point format.
856        @freq: the PCM frequency in Hz.
857        @nchannels: the number of channels.
858        @bytes_per_frame: the bytes per frame.
859        @bytes_per_second: the bytes per second.
860        @be: whether using big-endian format.
861
862        Initializes a PCM record stream.
863    -->
864    <method name="Init">
865      <arg name="id" type="t" direction="in"/>
866      <arg name="bits" type="y" direction="in"/>
867      <arg name="is_signed" type="b" direction="in"/>
868      <arg name="is_float" type="b" direction="in"/>
869      <arg name="freq" type="u" direction="in"/>
870      <arg name="nchannels" type="y" direction="in"/>
871      <arg name="bytes_per_frame" type="u" direction="in"/>
872      <arg name="bytes_per_second" type="u" direction="in"/>
873      <arg name="be" type="b" direction="in"/>
874    </method>
875
876    <!--
877        Fini:
878        @id: the stream ID.
879
880        Finish & close a record stream.
881    -->
882    <method name="Fini">
883      <arg name="id" type="t" direction="in"/>
884    </method>
885
886    <!--
887        SetEnabled:
888        @id: the stream ID.
889
890        Resume or suspend the record stream.
891    -->
892    <method name="SetEnabled">
893      <arg name="id" type="t" direction="in"/>
894      <arg name="enabled" type="b" direction="in"/>
895    </method>
896
897    <!--
898        SetVolume:
899        @id: the stream ID.
900        @mute: whether the stream is muted.
901        @volume: the volume per-channel.
902
903        Set the stream volume and mute state (volume without unit, 0-255).
904    -->
905    <method name="SetVolume">
906      <arg name="id" type="t" direction="in"/>
907      <arg name="mute" type="b" direction="in"/>
908      <arg name="volume" type="ay" direction="in">
909        <annotation name="org.gtk.GDBus.C.ForceGVariant" value="true"/>
910      </arg>
911    </method>
912
913    <!--
914        Read:
915        @id: the stream ID.
916        @size: the amount to read, in bytes.
917        @data: the recorded data (which may be less than requested).
918
919        Read "size" bytes from the record stream.
920    -->
921    <method name="Read">
922      <arg name="id" type="t" direction="in"/>
923      <arg name="size" type="t" direction="in"/>
924      <arg type="ay" name="data" direction="out">
925        <annotation name="org.gtk.GDBus.C.ForceGVariant" value="true"/>
926      </arg>
927    </method>
928
929    <!--
930        Interfaces:
931
932        This property lists extra interfaces provided by the
933        /org/qemu/Display1/AudioInListener object, and can be used to detect
934        the capabilities with which they are communicating.
935
936        Unlike the standard D-Bus Introspectable interface, querying this
937        property does not require parsing XML.
938
939        (earlier version of the display interface do not provide this property)
940    -->
941    <property name="Interfaces" type="as" access="read"/>
942  </interface>
943
944  <!--
945      org.qemu.Display1.Chardev:
946
947      Character devices may be available on ``/org/qemu/Display1/Chardev_$id``.
948
949      They may be used for different kind of streams, which are identified via
950      their FQDN :dbus:prop:`Name`.
951
952      .. _dbus-chardev-fqdn:
953
954      Here are some known reserved kind names (the ``org.qemu`` prefix is
955      reserved by QEMU):
956
957      org.qemu.console.serial.0
958        A serial console stream.
959
960      org.qemu.monitor.hmp.0
961        A QEMU HMP human monitor.
962
963      org.qemu.monitor.qmp.0
964        A QEMU QMP monitor.
965
966      org.qemu.usbredir
967        A usbredir stream.
968  -->
969  <interface name="org.qemu.Display1.Chardev">
970    <!--
971        Register:
972        @stream: a Unix FD to redirect the stream to.
973
974        Register a file-descriptor for the stream handling.
975
976        The current handler, if any, will be replaced.
977    -->
978    <method name="Register">
979      <?if $(env.HOST_OS) == windows?>
980      <arg type="ay" name="listener" direction="in">
981        <annotation name="org.gtk.GDBus.C.ForceGVariant" value="true"/>
982      </arg>
983      <?else?>
984      <arg type="h" name="stream" direction="in"/>
985      <?endif?>
986    </method>
987
988    <!--
989        SendBreak:
990
991        Send a break event to the character device.
992    -->
993    <method name="SendBreak"/>
994
995    <!--
996        Name:
997
998        The FQDN name to identify the kind of stream. See :ref:`reserved
999        names<dbus-chardev-fqdn>`.
1000    -->
1001    <property name="Name" type="s" access="read"/>
1002
1003    <!--
1004        FEOpened:
1005
1006        Whether the front-end side is opened.
1007    -->
1008    <property name="FEOpened" type="b" access="read"/>
1009
1010    <!--
1011        Echo:
1012
1013        Whether the input should be echo'ed (for serial streams).
1014    -->
1015    <property name="Echo" type="b" access="read"/>
1016
1017    <!--
1018        Owner:
1019
1020        The D-Bus unique name of the registered handler.
1021    -->
1022    <property name="Owner" type="s" access="read"/>
1023
1024    <!--
1025        Interfaces:
1026
1027        This property lists extra interfaces provided by the
1028        ``/org/qemu/Display1/Chardev_$i`` object, and can be used to detect
1029        the capabilities with which they are communicating.
1030
1031        Unlike the standard D-Bus Introspectable interface, querying this
1032        property does not require parsing XML.
1033
1034        (earlier version of the display interface do not provide this property)
1035    -->
1036    <property name="Interfaces" type="as" access="read"/>
1037  </interface>
1038</node>
1039