1 /*****************************************************************************
2 * vout_xvideo.c: Xvideo video output display method
3 *****************************************************************************
4 * Copyright (C) 1998, 1999, 2000, 2001 VideoLAN
5 * $Id: vout_xvideo.c,v 1.17 2001/05/25 13:20:09 sam Exp $
7 * Authors: Shane Harper <shanegh@optusnet.com.au>
8 * Vincent Seguin <seguin@via.ecp.fr>
9 * Samuel Hocevar <sam@zoy.org>
10 * David Kennedy <dkennedy@tinytoad.com>
12 * This program is free software; you can redistribute it and/or modify
13 * it under the terms of the GNU General Public License as published by
14 * the Free Software Foundation; either version 2 of the License, or
15 * (at your option) any later version.
17 * This program is distributed in the hope that it will be useful,
18 * but WITHOUT ANY WARRANTY; without even the implied warranty of
19 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
20 * GNU General Public License for more details.
22 * You should have received a copy of the GNU General Public License
23 * along with this program; if not, write to the Free Software
24 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111, USA.
25 *****************************************************************************/
27 #define MODULE_NAME xvideo
28 #include "modules_inner.h"
30 /*****************************************************************************
32 *****************************************************************************/
35 #include <errno.h> /* ENOMEM */
36 #include <stdlib.h> /* free() */
37 #include <string.h> /* strerror() */
39 #ifdef HAVE_MACHINE_PARAM_H
41 #include <machine/param.h>
42 #include <sys/types.h> /* typedef ushort */
47 #include <netinet/in.h> /* BSD: struct in_addr */
50 #include <sys/shm.h> /* shmget(), shmctl() */
52 #include <X11/Xutil.h>
53 #include <X11/keysym.h>
54 #include <X11/extensions/XShm.h>
55 #include <X11/extensions/Xv.h>
56 #include <X11/extensions/Xvlib.h>
66 #include "video_output.h"
68 #include "interface.h"
71 #include "netutils.h" /* network_ChannelJoin */
75 #include "stream_control.h" /* needed by input_ext-intf.h... */
76 #include "input_ext-intf.h"
79 #define GUID_YUV12_PLANAR 0x32315659
82 /*****************************************************************************
83 * vout_sys_t: video output X11 method descriptor
84 *****************************************************************************
85 * This structure is part of the video output thread descriptor.
86 * It describes the XVideo specific properties of an output thread.
87 *****************************************************************************/
88 typedef struct vout_sys_s
92 /* this plugin (currently) requires the SHM Ext... */
93 boolean_t b_shm
; /* shared memory extension flag */
96 /* Internal settings and properties */
97 Display
* p_display
; /* display pointer */
98 int i_screen
; /* screen number */
99 Window window
; /* root window */
100 GC gc
; /* graphic context instance handler */
101 Window yuv_window
; /* sub-window for displaying yuv video
106 /* Display buffers and shared memory information */
107 /* Note: only 1 buffer... Xv ext does double buffering. */
111 /* i_image_width & i_image_height reflect the
112 * size of the XvImage. They are used by
113 * vout_Display() to check if the image to be
114 * displayed can use the current XvImage. */
115 XShmSegmentInfo shm_info
; /* shared memory zone information */
117 /* X11 generic properties */
119 Atom wm_delete_window
;
121 int i_window_width
; /* width of main window */
122 int i_window_height
; /* height of main window */
125 /* Screen saver properties */
126 int i_ss_timeout
; /* timeout */
127 int i_ss_interval
; /* interval between changes */
128 int i_ss_blanking
; /* blanking mode */
129 int i_ss_exposure
; /* exposure mode */
131 /* Mouse pointer properties */
132 boolean_t b_mouse_pointer_visible
;
133 mtime_t i_time_mouse_last_moved
; /* used to auto-hide pointer*/
137 /* Fullscreen needs to be able to hide the wm decorations */
138 #define MWM_HINTS_DECORATIONS (1L << 1)
139 #define PROP_MWM_HINTS_ELEMENTS 5
140 typedef struct mwmhints_s
149 /*****************************************************************************
151 *****************************************************************************/
152 static int vout_Probe ( probedata_t
* );
153 static int vout_Create ( vout_thread_t
* );
154 static int vout_Init ( vout_thread_t
* );
155 static void vout_End ( vout_thread_t
* );
156 static void vout_Destroy ( vout_thread_t
* );
157 static int vout_Manage ( vout_thread_t
* );
158 static void vout_Display ( vout_thread_t
* );
159 static void vout_SetPalette( vout_thread_t
*, u16
*, u16
*, u16
*, u16
* );
161 static int XVideoCreateWindow ( vout_thread_t
* );
162 static void XVideoDestroyWindow ( vout_thread_t
*p_vout
);
163 static int XVideoUpdateImgSizeIfRequired( vout_thread_t
*p_vout
);
164 static int XVideoCreateShmImage ( Display
* dpy
, int xv_port
,
165 XvImage
**pp_xvimage
,
166 XShmSegmentInfo
*p_shm_info
,
167 int i_width
, int i_height
);
168 static void XVideoDestroyShmImage ( vout_thread_t
*, XvImage
*,
170 static void XVideoSetMousePointer ( const vout_thread_t
* );
171 static void XVideoEnableScreenSaver ( vout_thread_t
* );
172 static void XVideoDisableScreenSaver ( vout_thread_t
* );
173 /*static void XVideoSetAttribute ( vout_thread_t *, char *, float );*/
175 static int XVideoCheckForXv ( Display
* );
176 static int XVideoGetPort ( Display
* );
177 static void XVideoOutputCoords ( const picture_t
*, const boolean_t
,
178 const int, const int,
179 int *, int *, int *, int * );
180 static void XVideoDisplay ( vout_thread_t
* );
182 /*****************************************************************************
183 * Functions exported as capabilities. They are declared as static so that
184 * we don't pollute the namespace too much.
185 *****************************************************************************/
186 void _M( vout_getfunctions
)( function_list_t
* p_function_list
)
188 p_function_list
->pf_probe
= vout_Probe
;
189 p_function_list
->functions
.vout
.pf_create
= vout_Create
;
190 p_function_list
->functions
.vout
.pf_init
= vout_Init
;
191 p_function_list
->functions
.vout
.pf_end
= vout_End
;
192 p_function_list
->functions
.vout
.pf_destroy
= vout_Destroy
;
193 p_function_list
->functions
.vout
.pf_manage
= vout_Manage
;
194 p_function_list
->functions
.vout
.pf_display
= vout_Display
;
195 p_function_list
->functions
.vout
.pf_setpalette
= vout_SetPalette
;
198 /*****************************************************************************
199 * vout_Probe: probe the video driver and return a score
200 *****************************************************************************
201 * This returns a score to the plugin manager so that it can select the best
203 *****************************************************************************/
204 static int vout_Probe( probedata_t
*p_data
)
206 if( TestMethod( VOUT_METHOD_VAR
, "xvideo" ) )
214 /*****************************************************************************
215 * vout_Create: allocate XVideo video thread output method
216 *****************************************************************************
217 * This function allocate and initialize a XVideo vout method. It uses some of
218 * the vout properties to choose the window size, and change them according to
219 * the actual properties of the display.
220 *****************************************************************************/
221 static int vout_Create( vout_thread_t
*p_vout
)
225 /* Allocate structure */
226 p_vout
->p_sys
= malloc( sizeof( vout_sys_t
) );
227 if( p_vout
->p_sys
== NULL
)
229 intf_ErrMsg( "vout error: %s", strerror(ENOMEM
) );
233 /* Open display, unsing 'vlc_display' or DISPLAY environment variable */
234 psz_display
= XDisplayName( main_GetPszVariable( VOUT_DISPLAY_VAR
, NULL
) );
235 p_vout
->p_sys
->p_display
= XOpenDisplay( psz_display
);
237 if( p_vout
->p_sys
->p_display
== NULL
) /* error */
239 intf_ErrMsg( "vout error: cannot open display %s", psz_display
);
240 free( p_vout
->p_sys
);
243 p_vout
->p_sys
->i_screen
= DefaultScreen( p_vout
->p_sys
->p_display
);
246 = main_GetIntVariable( VOUT_FULLSCREEN_VAR
, VOUT_FULLSCREEN_DEFAULT
);
248 if( !XVideoCheckForXv( p_vout
->p_sys
->p_display
) )
250 intf_ErrMsg( "vout error: no XVideo extension" );
251 XCloseDisplay( p_vout
->p_sys
->p_display
);
252 free( p_vout
->p_sys
);
256 /* Spawn base window - this window will include the video output window,
257 * but also command buttons, subtitles and other indicators */
258 if( XVideoCreateWindow( p_vout
) )
260 intf_ErrMsg( "vout error: cannot create XVideo window" );
261 XCloseDisplay( p_vout
->p_sys
->p_display
);
262 free( p_vout
->p_sys
);
266 if( (p_vout
->p_sys
->xv_port
= XVideoGetPort( p_vout
->p_sys
->p_display
))<0 )
268 intf_DbgMsg( "Using xv port %d" , p_vout
->p_sys
->xv_port
);
271 /* XXX The brightness and contrast values should be read from environment
272 * XXX variables... */
273 XVideoSetAttribute( p_vout
, "XV_BRIGHTNESS", 0.5 );
274 XVideoSetAttribute( p_vout
, "XV_CONTRAST", 0.5 );
277 p_vout
->p_sys
->b_mouse_pointer_visible
= 1;
279 /* Disable screen saver and return */
280 XVideoDisableScreenSaver( p_vout
);
285 /*****************************************************************************
286 * vout_Init: initialize XVideo video thread output method
287 *****************************************************************************/
288 static int vout_Init( vout_thread_t
*p_vout
)
291 /* FIXME : As of 2001-03-16, XFree4 for MacOS X does not support Xshm. */
292 p_vout
->p_sys
->b_shm
= 0;
294 p_vout
->b_need_render
= 0;
295 p_vout
->p_sys
->i_image_width
= p_vout
->p_sys
->i_image_height
= 0;
300 /*****************************************************************************
301 * vout_End: terminate XVideo video thread output method
302 *****************************************************************************
303 * Destroy the XvImage. It is called at the end of the thread, but also each
304 * time the image is resized.
305 *****************************************************************************/
306 static void vout_End( vout_thread_t
*p_vout
)
308 XVideoDestroyShmImage( p_vout
, p_vout
->p_sys
->p_xvimage
,
309 &p_vout
->p_sys
->shm_info
);
312 /*****************************************************************************
313 * vout_Destroy: destroy XVideo video thread output method
314 *****************************************************************************
315 * Terminate an output method created by vout_Create
316 *****************************************************************************/
317 static void vout_Destroy( vout_thread_t
*p_vout
)
319 XVideoEnableScreenSaver( p_vout
);
320 XVideoDestroyWindow( p_vout
);
321 XCloseDisplay( p_vout
->p_sys
->p_display
);
323 /* Destroy structure */
324 free( p_vout
->p_sys
);
327 /*****************************************************************************
328 * vout_Manage: handle X11 events
329 *****************************************************************************
330 * This function should be called regularly by video output thread. It manages
331 * X11 events and allows window resizing. It returns a non null value on
334 * XXX Should "factor-out" common code in this and the "same" fn in the x11
336 *****************************************************************************/
337 static int vout_Manage( vout_thread_t
*p_vout
)
339 XEvent xevent
; /* X11 event */
340 char i_key
; /* ISO Latin-1 key */
343 /* Handle X11 events: ConfigureNotify events are parsed to know if the
344 * output window's size changed, MapNotify and UnmapNotify to know if the
345 * window is mapped (and if the display is useful), and ClientMessages
346 * to intercept window destruction requests */
347 while( XCheckWindowEvent( p_vout
->p_sys
->p_display
, p_vout
->p_sys
->window
,
348 StructureNotifyMask
| KeyPressMask
|
349 ButtonPressMask
| ButtonReleaseMask
|
350 PointerMotionMask
, &xevent
)
353 /* ConfigureNotify event: prepare */
354 if( (xevent
.type
== ConfigureNotify
)
355 /*&& ((xevent.xconfigure.width != p_vout->p_sys->i_window_width)
356 || (xevent.xconfigure.height != p_vout->p_sys->i_window_height))*/ )
358 /* Update dimensions */
359 p_vout
->p_sys
->i_window_width
= xevent
.xconfigure
.width
;
360 p_vout
->p_sys
->i_window_height
= xevent
.xconfigure
.height
;
362 /* MapNotify event: change window status and disable screen saver */
363 else if( xevent
.type
== MapNotify
)
365 if( (p_vout
!= NULL
) && !p_vout
->b_active
)
367 XVideoDisableScreenSaver( p_vout
);
368 p_vout
->b_active
= 1;
371 /* UnmapNotify event: change window status and enable screen saver */
372 else if( xevent
.type
== UnmapNotify
)
374 if( (p_vout
!= NULL
) && p_vout
->b_active
)
376 XVideoEnableScreenSaver( p_vout
);
377 p_vout
->b_active
= 0;
381 else if( xevent
.type
== KeyPress
)
383 /* We may have keys like F1 trough F12, ESC ... */
384 x_key_symbol
= XKeycodeToKeysym( p_vout
->p_sys
->p_display
,
385 xevent
.xkey
.keycode
, 0 );
386 switch( x_key_symbol
)
389 p_main
->p_intf
->b_die
= 1;
392 p_main
->p_intf
->b_menu_change
= 1;
396 * The reason why I use this instead of XK_0 is that
397 * with XLookupString, we don't have to care about
400 if( XLookupString( &xevent
.xkey
, &i_key
, 1, NULL
, NULL
) )
406 p_main
->p_intf
->b_die
= 1;
410 p_vout
->i_changes
|= VOUT_FULLSCREEN_CHANGE
;
413 network_ChannelJoin( 0 );
416 network_ChannelJoin( 1 );
419 network_ChannelJoin( 2 );
422 network_ChannelJoin( 3 );
425 network_ChannelJoin( 4 );
428 network_ChannelJoin( 5 );
431 network_ChannelJoin( 6 );
434 network_ChannelJoin( 7 );
437 network_ChannelJoin( 8 );
440 network_ChannelJoin( 9 );
443 if( intf_ProcessKey( p_main
->p_intf
,
446 intf_DbgMsg( "unhandled key '%c' (%i)",
447 (char)i_key
, i_key
);
456 else if( xevent
.type
== ButtonPress
)
458 switch( ((XButtonEvent
*)&xevent
)->button
)
461 /* in this part we will eventually manage
462 * clicks for DVD navigation for instance */
467 else if( xevent
.type
== ButtonRelease
)
469 switch( ((XButtonEvent
*)&xevent
)->button
)
472 /* FIXME: need locking ! */
473 p_main
->p_intf
->b_menu_change
= 1;
478 else if( xevent
.type
== MotionNotify
)
480 p_vout
->p_sys
->i_time_mouse_last_moved
= mdate();
481 p_vout
->p_sys
->b_mouse_pointer_visible
= 1;
482 XVideoSetMousePointer( p_vout
);
487 intf_WarnMsg( 3, "%p -> unhandled event type %d received",
488 p_vout
, xevent
.type
);
492 /* Handle events for YUV video output sub-window */
493 while( XCheckWindowEvent( p_vout
->p_sys
->p_display
,
494 p_vout
->p_sys
->yuv_window
,
495 ExposureMask
, &xevent
) == True
)
497 /* Window exposed (only handled if stream playback is paused) */
498 if( xevent
.type
== Expose
)
500 if( ((XExposeEvent
*)&xevent
)->count
== 0 )
501 /* (if this is the last a collection of expose events...) */
502 if( p_main
->p_intf
->p_input
)
504 p_main
->p_intf
->p_input
->stream
.control
.i_status
)
505 XVideoDisplay( p_vout
);
509 /* ClientMessage event - only WM_PROTOCOLS with WM_DELETE_WINDOW data
510 * are handled - according to the man pages, the format is always 32
512 while( XCheckTypedEvent( p_vout
->p_sys
->p_display
,
513 ClientMessage
, &xevent
) )
515 if( (xevent
.xclient
.message_type
== p_vout
->p_sys
->wm_protocols
)
516 && (xevent
.xclient
.data
.l
[0] == p_vout
->p_sys
->wm_delete_window
) )
518 p_main
->p_intf
->b_die
= 1;
522 intf_DbgMsg( "%p -> unhandled ClientMessage received", p_vout
);
526 if ( p_vout
->i_changes
& VOUT_FULLSCREEN_CHANGE
)
528 intf_DbgMsg( "vout: changing full-screen status" );
530 p_vout
->b_fullscreen
= !p_vout
->b_fullscreen
;
532 /* Get rid of the old window */
533 XVideoDestroyWindow( p_vout
);
535 /* And create a new one */
536 if( XVideoCreateWindow( p_vout
) )
538 intf_ErrMsg( "vout error: cannot create X11 window" );
539 XCloseDisplay( p_vout
->p_sys
->p_display
);
541 free( p_vout
->p_sys
);
547 if( (p_vout
->i_changes
& VOUT_GRAYSCALE_CHANGE
))
549 /* FIXME: clear flags ?? */
555 if( p_vout
->i_changes
& VOUT_SIZE_CHANGE
)
557 intf_DbgMsg( "vout: resizing window" );
558 p_vout
->i_changes
&= ~VOUT_SIZE_CHANGE
;
559 /* Nothing to do here...
560 * vout_Display() detects size changes of the image to be displayed and
561 * re-creates the XvImage.*/
562 intf_Msg( "vout: video display resized (%dx%d)",
563 p_vout
->i_width
, p_vout
->i_height
);
566 /* Autohide Cursor */
567 if( p_vout
->p_sys
->b_mouse_pointer_visible
&&
568 mdate() - p_vout
->p_sys
->i_time_mouse_last_moved
> 2000000 )
570 p_vout
->p_sys
->b_mouse_pointer_visible
= 0;
571 XVideoSetMousePointer( p_vout
);
577 /*****************************************************************************
578 * vout_Display: displays previously rendered output
579 *****************************************************************************
580 * This function sends the currently rendered image to X11 server.
581 * (The Xv extension takes care of "double-buffering".)
582 *****************************************************************************/
583 static void vout_Display( vout_thread_t
*p_vout
)
585 boolean_t b_draw
= 1;
586 int i_size
= p_vout
->p_rendered_pic
->i_width
*
587 p_vout
->p_rendered_pic
->i_height
;
589 if( XVideoUpdateImgSizeIfRequired( p_vout
) )
592 switch( p_vout
->p_rendered_pic
->i_type
)
594 case YUV_422_PICTURE
:
595 intf_ErrMsg( "vout error: YUV_422_PICTURE not (yet) supported" );
599 case YUV_444_PICTURE
:
600 intf_ErrMsg( "vout error: YUV_444_PICTURE not (yet) supported" );
604 case YUV_420_PICTURE
:
605 memcpy( p_vout
->p_sys
->p_xvimage
->data
,
606 p_vout
->p_rendered_pic
->p_y
, i_size
);
607 memcpy( p_vout
->p_sys
->p_xvimage
->data
+ ( i_size
),
608 p_vout
->p_rendered_pic
->p_v
, i_size
/ 4 );
609 memcpy( p_vout
->p_sys
->p_xvimage
->data
+ ( i_size
) + ( i_size
/ 4 ),
610 p_vout
->p_rendered_pic
->p_u
, i_size
/ 4 );
615 XVideoDisplay( p_vout
);
618 static void vout_SetPalette( p_vout_thread_t p_vout
,
619 u16
*red
, u16
*green
, u16
*blue
, u16
*transp
)
624 /* following functions are local */
626 /*****************************************************************************
627 * XVideoUpdateImgSizeIfRequired
628 *****************************************************************************
629 * This function checks to see if the image to be displayed is of a different
630 * size to the last image displayed. If so, the old shm block must be
631 * destroyed and a new one created.
632 * Note: the "image size" is the size of the image to be passed to the Xv
633 * extension (which is probably different to the size of the output window).
634 *****************************************************************************/
635 static int XVideoUpdateImgSizeIfRequired( vout_thread_t
*p_vout
)
637 int i_img_width
= p_vout
->p_rendered_pic
->i_width
;
638 int i_img_height
= p_vout
->p_rendered_pic
->i_height
;
640 if( p_vout
->p_sys
->i_image_width
!= i_img_width
641 || p_vout
->p_sys
->i_image_height
!= i_img_height
)
643 p_vout
->p_sys
->i_image_width
= i_img_width
;
644 p_vout
->p_sys
->i_image_height
= i_img_height
;
646 /* Destroy XvImage to change its size */
648 /* Note: vout_End does nothing if no XvImage to destroy. */
650 /* Create XvImage using XShm extension */
651 if( XVideoCreateShmImage( p_vout
->p_sys
->p_display
,
652 p_vout
->p_sys
->xv_port
,
653 &p_vout
->p_sys
->p_xvimage
,
654 &p_vout
->p_sys
->shm_info
,
655 i_img_width
, i_img_height
) )
657 intf_ErrMsg( "vout: failed to create xvimage." );
658 p_vout
->p_sys
->i_image_width
= 0;
662 /* Set bytes per line and initialize buffers */
663 p_vout
->i_bytes_per_line
=
664 (p_vout
->p_sys
->p_xvimage
->data_size
) /
665 (p_vout
->p_sys
->p_xvimage
->height
);
667 /* vout_SetBuffers( p_vout, p_vout->p_sys->p_xvimage->data ); */
673 /*****************************************************************************
674 * XVideoCheckForXv: check for the XVideo extension
675 *****************************************************************************/
676 static int XVideoCheckForXv( Display
*dpy
)
680 switch( XvQueryExtension( dpy
, &i
, &i
, &i
, &i
, &i
) )
686 intf_ErrMsg( "vout error: XvBadExtension" );
690 intf_ErrMsg( "vout error: XvBadAlloc" );
694 intf_ErrMsg( "vout error: XvQueryExtension failed" );
699 /*****************************************************************************
700 * XVideoCreateWindow: open and set-up XVideo main window
701 *****************************************************************************/
702 static int XVideoCreateWindow( vout_thread_t
*p_vout
)
704 XSizeHints xsize_hints
;
705 XSetWindowAttributes xwindow_attributes
;
712 boolean_t b_configure_notify
;
713 boolean_t b_map_notify
;
716 /* Set main window's size */
717 /* If we're full screen, we're full screen! */
718 if( p_vout
->b_fullscreen
)
720 p_vout
->p_sys
->i_window_width
= DisplayWidth( p_vout
->p_sys
->p_display
,
721 p_vout
->p_sys
->i_screen
);
722 p_vout
->p_sys
->i_window_height
= DisplayHeight( p_vout
->p_sys
->p_display
,
723 p_vout
->p_sys
->i_screen
);
724 /* p_vout->i_width = p_vout->p_sys->i_window_width;
725 p_vout->i_height = p_vout->p_sys->i_window_height; */
729 p_vout
->p_sys
->i_window_width
= main_GetIntVariable( VOUT_WIDTH_VAR
,
730 VOUT_WIDTH_DEFAULT
);
731 p_vout
->p_sys
->i_window_height
= main_GetIntVariable( VOUT_HEIGHT_VAR
,
732 VOUT_HEIGHT_DEFAULT
);
735 /* Prepare window manager hints and properties */
736 xsize_hints
.base_width
= p_vout
->p_sys
->i_window_width
;
737 xsize_hints
.base_height
= p_vout
->p_sys
->i_window_height
;
738 xsize_hints
.flags
= PSize
;
739 p_vout
->p_sys
->wm_protocols
= XInternAtom( p_vout
->p_sys
->p_display
,
740 "WM_PROTOCOLS", True
);
741 p_vout
->p_sys
->wm_delete_window
= XInternAtom( p_vout
->p_sys
->p_display
,
742 "WM_DELETE_WINDOW", True
);
744 /* Prepare window attributes */
745 xwindow_attributes
.background_pixel
= BlackPixel( p_vout
->p_sys
->p_display
,
746 p_vout
->p_sys
->i_screen
);
748 xwindow_attributes
.event_mask
= ExposureMask
| StructureNotifyMask
;
750 /* Create the window and set hints - the window must receive ConfigureNotify
751 * events, and, until it is displayed, Expose and MapNotify events. */
752 p_vout
->p_sys
->window
=
753 XCreateWindow( p_vout
->p_sys
->p_display
,
754 DefaultRootWindow( p_vout
->p_sys
->p_display
),
756 p_vout
->p_sys
->i_window_width
,
757 p_vout
->p_sys
->i_window_height
, 1,
759 CWBackPixel
| CWEventMask
,
760 &xwindow_attributes
);
762 if ( p_vout
->b_fullscreen
)
764 prop
= XInternAtom(p_vout
->p_sys
->p_display
, "_MOTIF_WM_HINTS", False
);
765 mwmhints
.flags
= MWM_HINTS_DECORATIONS
;
766 mwmhints
.decorations
= 0;
767 XChangeProperty( p_vout
->p_sys
->p_display
, p_vout
->p_sys
->window
,
768 prop
, prop
, 32, PropModeReplace
,
769 (unsigned char *)&mwmhints
, PROP_MWM_HINTS_ELEMENTS
);
771 XSetTransientForHint( p_vout
->p_sys
->p_display
,
772 p_vout
->p_sys
->window
, None
);
773 XRaiseWindow( p_vout
->p_sys
->p_display
, p_vout
->p_sys
->window
);
777 /* Set window manager hints and properties: size hints, command,
778 * window's name, and accepted protocols */
779 XSetWMNormalHints( p_vout
->p_sys
->p_display
, p_vout
->p_sys
->window
,
781 XSetCommand( p_vout
->p_sys
->p_display
, p_vout
->p_sys
->window
,
782 p_main
->ppsz_argv
, p_main
->i_argc
);
783 XStoreName( p_vout
->p_sys
->p_display
, p_vout
->p_sys
->window
,
784 VOUT_TITLE
" (XVideo output)" );
786 if( (p_vout
->p_sys
->wm_protocols
== None
) /* use WM_DELETE_WINDOW */
787 || (p_vout
->p_sys
->wm_delete_window
== None
)
788 || !XSetWMProtocols( p_vout
->p_sys
->p_display
, p_vout
->p_sys
->window
,
789 &p_vout
->p_sys
->wm_delete_window
, 1 ) )
791 /* WM_DELETE_WINDOW is not supported by window manager */
792 intf_Msg( "vout error: missing or bad window manager" );
795 /* Creation of a graphic context that doesn't generate a GraphicsExpose
796 * event when using functions like XCopyArea */
797 xgcvalues
.graphics_exposures
= False
;
798 p_vout
->p_sys
->gc
= XCreateGC( p_vout
->p_sys
->p_display
,
799 p_vout
->p_sys
->window
,
800 GCGraphicsExposures
, &xgcvalues
);
802 /* Send orders to server, and wait until window is displayed - three
803 * events must be received: a MapNotify event, an Expose event allowing
804 * drawing in the window, and a ConfigureNotify to get the window
805 * dimensions. Once those events have been received, only ConfigureNotify
806 * events need to be received. */
808 b_configure_notify
= 0;
810 XMapWindow( p_vout
->p_sys
->p_display
, p_vout
->p_sys
->window
);
813 XNextEvent( p_vout
->p_sys
->p_display
, &xevent
);
814 if( (xevent
.type
== Expose
)
815 && (xevent
.xexpose
.window
== p_vout
->p_sys
->window
) )
819 else if( (xevent
.type
== MapNotify
)
820 && (xevent
.xmap
.window
== p_vout
->p_sys
->window
) )
824 else if( (xevent
.type
== ConfigureNotify
)
825 && (xevent
.xconfigure
.window
== p_vout
->p_sys
->window
) )
827 b_configure_notify
= 1;
828 p_vout
->p_sys
->i_window_width
= xevent
.xconfigure
.width
;
829 p_vout
->p_sys
->i_window_height
= xevent
.xconfigure
.height
;
831 } while( !( b_expose
&& b_configure_notify
&& b_map_notify
) );
833 XSelectInput( p_vout
->p_sys
->p_display
, p_vout
->p_sys
->window
,
834 StructureNotifyMask
| KeyPressMask
|
835 ButtonPressMask
| ButtonReleaseMask
|
838 if( p_vout
->b_fullscreen
)
840 XSetInputFocus( p_vout
->p_sys
->p_display
, p_vout
->p_sys
->window
,
841 RevertToNone
, CurrentTime
);
842 XMoveWindow( p_vout
->p_sys
->p_display
, p_vout
->p_sys
->window
, 0, 0 );
845 /* Create YUV output sub-window. */
846 p_vout
->p_sys
->yuv_window
=XCreateSimpleWindow( p_vout
->p_sys
->p_display
,
847 p_vout
->p_sys
->window
, 0, 0, 1, 1, 0,
848 BlackPixel( p_vout
->p_sys
->p_display
,
849 p_vout
->p_sys
->i_screen
),
850 WhitePixel( p_vout
->p_sys
->p_display
,
851 p_vout
->p_sys
->i_screen
) );
853 p_vout
->p_sys
->yuv_gc
= XCreateGC( p_vout
->p_sys
->p_display
,
854 p_vout
->p_sys
->yuv_window
,
855 GCGraphicsExposures
, &xgcvalues
);
857 XSetWindowBackground( p_vout
->p_sys
->p_display
, p_vout
->p_sys
->yuv_window
,
858 BlackPixel(p_vout
->p_sys
->p_display
, p_vout
->p_sys
->i_screen
) );
860 XMapWindow( p_vout
->p_sys
->p_display
, p_vout
->p_sys
->yuv_window
);
861 XSelectInput( p_vout
->p_sys
->p_display
, p_vout
->p_sys
->yuv_window
,
865 XVideoSetMousePointer( p_vout
);
870 static void XVideoDestroyWindow( vout_thread_t
*p_vout
)
872 XFreeGC( p_vout
->p_sys
->p_display
, p_vout
->p_sys
->yuv_gc
);
873 XDestroyWindow( p_vout
->p_sys
->p_display
, p_vout
->p_sys
->yuv_window
);
875 XUnmapWindow( p_vout
->p_sys
->p_display
, p_vout
->p_sys
->window
);
876 XFreeGC( p_vout
->p_sys
->p_display
, p_vout
->p_sys
->gc
);
877 XDestroyWindow( p_vout
->p_sys
->p_display
, p_vout
->p_sys
->window
);
880 /*****************************************************************************
881 * XVideoCreateShmImage: create an XvImage using shared memory extension
882 *****************************************************************************
883 * Prepare an XvImage for display function.
884 * The order of the operations respects the recommandations of the mit-shm
885 * document by J.Corbet and K.Packard. Most of the parameters were copied from
887 *****************************************************************************/
888 static int XVideoCreateShmImage( Display
* dpy
, int xv_port
,
889 XvImage
**pp_xvimage
,
890 XShmSegmentInfo
*p_shm_info
,
891 int i_width
, int i_height
)
893 *pp_xvimage
= XvShmCreateImage( dpy
, xv_port
,
894 GUID_YUV12_PLANAR
, 0,
899 intf_ErrMsg( "vout error: XvShmCreateImage failed." );
903 p_shm_info
->shmid
= shmget( IPC_PRIVATE
, (*pp_xvimage
)->data_size
,
905 if( p_shm_info
->shmid
< 0) /* error */
907 intf_ErrMsg( "vout error: cannot allocate shared image data (%s)",
912 p_shm_info
->shmaddr
= (*pp_xvimage
)->data
= shmat( p_shm_info
->shmid
,
914 p_shm_info
->readOnly
= False
;
916 /* Mark the shm segment to be removed when there will be no more
917 * attachements, so it is automatic on process exit or after shmdt */
918 shmctl( p_shm_info
->shmid
, IPC_RMID
, 0 );
920 if( !XShmAttach( dpy
, p_shm_info
) )
922 intf_ErrMsg( "vout error: XShmAttach failed" );
923 shmdt( p_shm_info
->shmaddr
);
927 /* Send image to X server. This instruction is required, since having
928 * built a Shm XImage and not using it causes an error on XCloseDisplay */
934 /*****************************************************************************
935 * XVideoDestroyShmImage
936 *****************************************************************************
937 * Destroy XImage AND associated data. Detach shared memory segment from
938 * server and process, then free it. If pointer is NULL, the image won't be
939 * destroyed (see vout_ManageOutputMethod())
940 *****************************************************************************/
941 static void XVideoDestroyShmImage( vout_thread_t
*p_vout
, XvImage
*p_xvimage
,
942 XShmSegmentInfo
*p_shm_info
)
944 /* If pointer is NULL, do nothing */
945 if( p_xvimage
== NULL
)
950 XShmDetach( p_vout
->p_sys
->p_display
, p_shm_info
);/* detach from server */
952 XDestroyImage( p_ximage
); /* XXX */
955 if( shmdt( p_shm_info
->shmaddr
) ) /* detach shared memory from process */
956 { /* also automatic freeing... */
957 intf_ErrMsg( "vout error: cannot detach shared memory (%s)",
962 /*****************************************************************************
963 * XVideoEnableScreenSaver: enable screen saver
964 *****************************************************************************
965 * This function enable the screen saver on a display after it had been
966 * disabled by XDisableScreenSaver. Both functions use a counter mechanism to
967 * know wether the screen saver can be activated or not: if n successive calls
968 * are made to XDisableScreenSaver, n successive calls to XEnableScreenSaver
969 * will be required before the screen saver could effectively be activated.
970 *****************************************************************************/
971 void XVideoEnableScreenSaver( vout_thread_t
*p_vout
)
973 intf_DbgMsg( "intf: enabling screen saver" );
974 XSetScreenSaver( p_vout
->p_sys
->p_display
, p_vout
->p_sys
->i_ss_timeout
,
975 p_vout
->p_sys
->i_ss_interval
,
976 p_vout
->p_sys
->i_ss_blanking
,
977 p_vout
->p_sys
->i_ss_exposure
);
980 /*****************************************************************************
981 * XVideoDisableScreenSaver: disable screen saver
982 *****************************************************************************
983 * See XEnableScreenSaver
984 *****************************************************************************/
985 void XVideoDisableScreenSaver( vout_thread_t
*p_vout
)
987 /* Save screen saver informations */
988 XGetScreenSaver( p_vout
->p_sys
->p_display
, &p_vout
->p_sys
->i_ss_timeout
,
989 &p_vout
->p_sys
->i_ss_interval
,
990 &p_vout
->p_sys
->i_ss_blanking
,
991 &p_vout
->p_sys
->i_ss_exposure
);
993 /* Disable screen saver */
994 intf_DbgMsg( "intf: disabling screen saver" );
995 XSetScreenSaver( p_vout
->p_sys
->p_display
, 0,
996 p_vout
->p_sys
->i_ss_interval
,
997 p_vout
->p_sys
->i_ss_blanking
,
998 p_vout
->p_sys
->i_ss_exposure
);
1001 /*****************************************************************************
1002 * XVideoSetMousePointer: hide or show the mouse pointer
1003 *****************************************************************************
1004 * This function hides the X pointer if requested.
1005 *****************************************************************************/
1006 void XVideoSetMousePointer( const vout_thread_t
*p_vout
)
1008 static Cursor blank_cursor
;
1009 static boolean_t b_created_blank_cursor
= 0;
1011 if( !p_vout
->p_sys
->b_mouse_pointer_visible
)
1013 if( !b_created_blank_cursor
)
1016 Pixmap blank
= XCreatePixmap( p_vout
->p_sys
->p_display
,
1017 DefaultRootWindow(p_vout
->p_sys
->p_display
),
1020 XParseColor( p_vout
->p_sys
->p_display
,
1021 XCreateColormap( p_vout
->p_sys
->p_display
,
1023 p_vout
->p_sys
->p_display
),
1025 p_vout
->p_sys
->p_display
,
1026 p_vout
->p_sys
->i_screen
),
1030 blank_cursor
= XCreatePixmapCursor( p_vout
->p_sys
->p_display
,
1031 blank
, blank
, &color
, &color
, 1, 1 );
1033 b_created_blank_cursor
= 1;
1035 XDefineCursor( p_vout
->p_sys
->p_display
,
1036 p_vout
->p_sys
->window
, blank_cursor
);
1040 XUndefineCursor( p_vout
->p_sys
->p_display
, p_vout
->p_sys
->window
);
1044 /* This based on some code in SetBufferPicture... At the moment it's only
1045 * used by the xvideo plugin, but others may want to use it. */
1046 static void XVideoOutputCoords( const picture_t
*p_pic
, const boolean_t scale
,
1047 const int win_w
, const int win_h
,
1048 int *dx
, int *dy
, int *w
, int *h
)
1052 *w
= p_pic
->i_width
; *h
= p_pic
->i_height
;
1057 switch( p_pic
->i_aspect_ratio
)
1059 case AR_3_4_PICTURE
:
1063 case AR_16_9_PICTURE
:
1064 *h
= win_w
* 9 / 16;
1067 case AR_221_1_PICTURE
:
1068 *h
= win_w
* 100 / 221;
1071 case AR_SQUARE_PICTURE
:
1073 *h
= win_w
* p_pic
->i_height
/ p_pic
->i_width
;
1080 switch( p_pic
->i_aspect_ratio
)
1082 case AR_3_4_PICTURE
:
1086 case AR_16_9_PICTURE
:
1087 *w
= win_h
* 16 / 9;
1090 case AR_221_1_PICTURE
:
1091 *w
= win_h
* 221 / 100;
1094 case AR_SQUARE_PICTURE
:
1096 *w
= win_h
* p_pic
->i_width
/ p_pic
->i_height
;
1102 /* Set picture position */
1103 *dx
= (win_w
- *w
) / 2;
1104 *dy
= (win_h
- *h
) / 2;
1108 static int XVideoGetPort( Display
*dpy
)
1112 XvAdaptorInfo
*adaptor_info
;
1114 switch( XvQueryAdaptors( dpy
, DefaultRootWindow( dpy
),
1115 &i_adaptors
, &adaptor_info
) )
1120 case XvBadExtension
:
1121 intf_ErrMsg( "vout error: XvBadExtension for XvQueryAdaptors" );
1125 intf_ErrMsg( "vout error: XvBadAlloc for XvQueryAdaptors" );
1129 intf_ErrMsg( "vout error: XvQueryAdaptors failed" );
1133 for( i
=0; i
< i_adaptors
&& xv_port
== -1; ++i
)
1134 if( ( adaptor_info
[ i
].type
& XvInputMask
) &&
1135 ( adaptor_info
[ i
].type
& XvImageMask
) )
1137 /* check that port supports YUV12 planar format... */
1138 int port
= adaptor_info
[ i
].base_id
;
1139 int i_num_formats
, i
;
1140 XvImageFormatValues
*imageFormats
;
1142 imageFormats
= XvListImageFormats( dpy
, port
, &i_num_formats
);
1144 for( i
=0; i
< i_num_formats
&& xv_port
== -1; ++i
)
1145 if( imageFormats
[ i
].id
== GUID_YUV12_PLANAR
)
1149 intf_WarnMsg( 3, "vout: XVideo image input port %d "
1150 "does not support the YUV12 planar format which is "
1151 "currently required by the xvideo output plugin.",
1155 XFree( imageFormats
);
1158 if( i_adaptors
> 0 )
1159 XvFreeAdaptorInfo(adaptor_info
);
1162 intf_ErrMsg( "vout error: didn't find a suitable Xvideo image input port." );
1168 /*****************************************************************************
1169 * XVideoDisplay: display image
1170 *****************************************************************************
1171 * This function displays the image stored in p_vout->p_sys->p_xvimage.
1172 * The image is scaled to fit in the output window (and to have the correct
1174 *****************************************************************************/
1175 static void XVideoDisplay( vout_thread_t
*p_vout
)
1177 int i_dest_width
, i_dest_height
, i_dest_x
, i_dest_y
;
1179 if( !p_vout
->p_sys
->p_xvimage
) return;
1181 XVideoOutputCoords( p_vout
->p_rendered_pic
, p_vout
->b_scale
,
1182 p_vout
->p_sys
->i_window_width
,
1183 p_vout
->p_sys
->i_window_height
,
1184 &i_dest_x
, &i_dest_y
,
1185 &i_dest_width
, &i_dest_height
);
1187 XvShmPutImage( p_vout
->p_sys
->p_display
, p_vout
->p_sys
->xv_port
,
1188 p_vout
->p_sys
->yuv_window
, p_vout
->p_sys
->gc
,
1189 p_vout
->p_sys
->p_xvimage
,
1190 0 /*src_x*/, 0 /*src_y*/,
1191 p_vout
->p_rendered_pic
->i_width
,
1192 p_vout
->p_rendered_pic
->i_height
,
1193 0 /*dest_x*/, 0 /*dest_y*/, i_dest_width
, i_dest_height
,
1196 XResizeWindow( p_vout
->p_sys
->p_display
, p_vout
->p_sys
->yuv_window
,
1197 i_dest_width
, i_dest_height
);
1198 XMoveWindow( p_vout
->p_sys
->p_display
, p_vout
->p_sys
->yuv_window
,
1199 i_dest_x
, i_dest_y
);
1203 /*****************************************************************************
1204 * XVideoSetAttribute
1205 *****************************************************************************
1206 * This function can be used to set attributes, e.g. XV_BRIGHTNESS and
1207 * XV_CONTRAST. "f_value" should be in the range of 0 to 1.
1208 *****************************************************************************/
1209 static void XVideoSetAttribute( vout_thread_t
*p_vout
,
1210 char *attr_name
, float f_value
)
1213 XvAttribute
*p_attrib
;
1214 Display
*p_dpy
= p_vout
->p_sys
->p_display
;
1215 int xv_port
= p_vout
->p_sys
->xv_port
;
1217 p_attrib
= XvQueryPortAttributes( p_dpy
, xv_port
, &i_attrib
);
1223 if( i_attrib
>= 0 && !strcmp( p_attrib
[ i_attrib
].name
, attr_name
) )
1225 int i_sv
= f_value
* ( p_attrib
[ i_attrib
].max_value
1226 - p_attrib
[ i_attrib
].min_value
+ 1 )
1227 + p_attrib
[ i_attrib
].min_value
;
1229 XvSetPortAttribute( p_dpy
, xv_port
,
1230 XInternAtom( p_dpy
, attr_name
, False
), i_sv
);
1234 } while( i_attrib
> 0 );