2 * consumer_sdl.c -- A Simple DirectMedia Layer consumer
3 * Copyright (C) 2003-2004 Ushodaya Enterprises Limited
4 * Author: Dan Dennedy <dan@dennedy.org>
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software Foundation,
18 * Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
21 #include "consumer_sdl.h"
22 #include <framework/mlt_frame.h>
23 #include <framework/mlt_deque.h>
24 #include <framework/mlt_factory.h>
25 #include <framework/mlt_filter.h>
31 #include <SDL/SDL_syswm.h>
34 /** This classes definition.
37 typedef struct consumer_sdl_s
*consumer_sdl
;
41 struct mlt_consumer_s parent
;
42 mlt_properties properties
;
47 uint8_t audio_buffer
[ 4096 * 10 ];
49 pthread_mutex_t audio_mutex
;
50 pthread_cond_t audio_cond
;
51 pthread_mutex_t video_mutex
;
52 pthread_cond_t video_cond
;
61 SDL_Surface
*sdl_screen
;
62 SDL_Overlay
*sdl_overlay
;
69 /** Forward references to static functions.
72 static int consumer_start( mlt_consumer parent
);
73 static int consumer_stop( mlt_consumer parent
);
74 static int consumer_is_stopped( mlt_consumer parent
);
75 static void consumer_close( mlt_consumer parent
);
76 static void *consumer_thread( void * );
77 static int consumer_get_dimensions( int *width
, int *height
);
78 static void consumer_sdl_event( mlt_listener listener
, mlt_properties owner
, mlt_service
this, void **args
);
80 /** This is what will be called by the factory - anything can be passed in
81 via the argument, but keep it simple.
84 mlt_consumer
consumer_sdl_init( char *arg
)
86 // Create the consumer object
87 consumer_sdl
this = calloc( sizeof( struct consumer_sdl_s
), 1 );
89 // If no malloc'd and consumer init ok
90 if ( this != NULL
&& mlt_consumer_init( &this->parent
, this ) == 0 )
93 this->queue
= mlt_deque_init( );
95 // Get the parent consumer object
96 mlt_consumer parent
= &this->parent
;
98 // We have stuff to clean up, so override the close method
99 parent
->close
= consumer_close
;
101 // get a handle on properties
102 mlt_service service
= MLT_CONSUMER_SERVICE( parent
);
103 this->properties
= MLT_SERVICE_PROPERTIES( service
);
105 // Default display aspect ratio
106 double display_ratio
= mlt_properties_get_double( this->properties
, "display_ratio" );
108 // Set the default volume
109 mlt_properties_set_double( this->properties
, "volume", 1.0 );
111 // This is the initialisation of the consumer
112 pthread_mutex_init( &this->audio_mutex
, NULL
);
113 pthread_cond_init( &this->audio_cond
, NULL
);
114 pthread_mutex_init( &this->video_mutex
, NULL
);
115 pthread_cond_init( &this->video_cond
, NULL
);
117 // Default scaler (for now we'll use nearest)
118 mlt_properties_set( this->properties
, "rescale", "nearest" );
120 // Default buffer for low latency
121 mlt_properties_set_int( this->properties
, "buffer", 1 );
123 // Default progressive true
124 mlt_properties_set_int( this->properties
, "progressive", 0 );
126 // Default audio buffer
127 mlt_properties_set_int( this->properties
, "audio_buffer", 512 );
129 // Ensure we don't join on a non-running object
132 // process actual param
133 if ( arg
== NULL
|| sscanf( arg
, "%dx%d", &this->width
, &this->height
) != 2 )
135 this->width
= mlt_properties_get_int( this->properties
, "width" );
136 this->height
= mlt_properties_get_int( this->properties
, "height" );
139 // Default window size
140 this->window_width
= ( double )this->height
* display_ratio
;
141 this->window_height
= this->height
;
144 this->sdl_flags
= SDL_HWSURFACE
| SDL_ASYNCBLIT
| SDL_HWACCEL
| SDL_RESIZABLE
| SDL_DOUBLEBUF
;
146 // Allow thread to be started/stopped
147 parent
->start
= consumer_start
;
148 parent
->stop
= consumer_stop
;
149 parent
->is_stopped
= consumer_is_stopped
;
151 // Register specific events
152 mlt_events_register( this->properties
, "consumer-sdl-event", ( mlt_transmitter
)consumer_sdl_event
);
154 // Return the consumer produced
158 // malloc or consumer init failed
165 static void consumer_sdl_event( mlt_listener listener
, mlt_properties owner
, mlt_service
this, void **args
)
167 if ( listener
!= NULL
)
168 listener( owner
, this, ( SDL_Event
* )args
[ 0 ] );
171 int consumer_start( mlt_consumer parent
)
173 consumer_sdl
this = parent
->child
;
175 if ( !this->running
)
177 int video_off
= mlt_properties_get_int( MLT_CONSUMER_PROPERTIES( parent
), "video_off" );
178 int preview_off
= mlt_properties_get_int( MLT_CONSUMER_PROPERTIES( parent
), "preview_off" );
179 int display_off
= video_off
| preview_off
;
180 int audio_off
= mlt_properties_get_int( MLT_CONSUMER_PROPERTIES( parent
), "audio_off" );
181 int sdl_started
= mlt_properties_get_int( MLT_CONSUMER_PROPERTIES( parent
), "sdl_started" );
183 consumer_stop( parent
);
188 this->width
= mlt_properties_get_int( this->properties
, "width" );
189 this->height
= mlt_properties_get_int( this->properties
, "height" );
191 this->bpp
= mlt_properties_get_int( this->properties
, "bpp" );
193 // Attach a colour space converter
194 if ( preview_off
&& !this->filtered
)
196 mlt_filter filter
= mlt_factory_filter( "avcolour_space", NULL
);
197 mlt_properties_set_int( MLT_FILTER_PROPERTIES( filter
), "forced", mlt_image_yuv422
);
198 mlt_service_attach( MLT_CONSUMER_SERVICE( parent
), filter
);
199 mlt_filter_close( filter
);
203 if ( sdl_started
== 0 && display_off
== 0 )
205 if ( SDL_Init( SDL_INIT_VIDEO
| SDL_INIT_NOPARACHUTE
) < 0 )
207 fprintf( stderr
, "Failed to initialize SDL: %s\n", SDL_GetError() );
211 SDL_EnableKeyRepeat( SDL_DEFAULT_REPEAT_DELAY
, SDL_DEFAULT_REPEAT_INTERVAL
);
212 SDL_EnableUNICODE( 1 );
214 else if ( display_off
== 0 )
216 this->sdl_screen
= SDL_GetVideoSurface( );
219 if ( audio_off
== 0 )
220 SDL_InitSubSystem( SDL_INIT_AUDIO
);
222 if ( this->sdl_screen
== NULL
&& display_off
== 0 )
223 this->sdl_screen
= SDL_SetVideoMode( this->window_width
, this->window_height
, 0, this->sdl_flags
);
225 pthread_create( &this->thread
, NULL
, consumer_thread
, this );
231 int consumer_stop( mlt_consumer parent
)
233 // Get the actual object
234 consumer_sdl
this = parent
->child
;
236 if ( this->joined
== 0 )
238 // Kill the thread and clean up
241 pthread_join( this->thread
, NULL
);
244 if ( this->sdl_overlay
!= NULL
)
245 SDL_FreeYUVOverlay( this->sdl_overlay
);
246 this->sdl_overlay
= NULL
;
248 if ( !mlt_properties_get_int( MLT_CONSUMER_PROPERTIES( parent
), "audio_off" ) )
250 pthread_mutex_lock( &this->audio_mutex
);
251 pthread_cond_broadcast( &this->audio_cond
);
252 pthread_mutex_unlock( &this->audio_mutex
);
253 SDL_QuitSubSystem( SDL_INIT_AUDIO
);
256 if ( mlt_properties_get_int( MLT_CONSUMER_PROPERTIES( parent
), "sdl_started" ) == 0 )
259 this->sdl_screen
= NULL
;
265 int consumer_is_stopped( mlt_consumer parent
)
267 consumer_sdl
this = parent
->child
;
268 return !this->running
;
271 static int sdl_lock_display( )
273 SDL_Surface
*screen
= SDL_GetVideoSurface( );
274 return screen
!= NULL
&& ( !SDL_MUSTLOCK( screen
) || SDL_LockSurface( screen
) >= 0 );
277 static void sdl_unlock_display( )
279 SDL_Surface
*screen
= SDL_GetVideoSurface( );
280 if ( screen
!= NULL
&& SDL_MUSTLOCK( screen
) )
281 SDL_UnlockSurface( screen
);
284 static void sdl_fill_audio( void *udata
, uint8_t *stream
, int len
)
286 consumer_sdl
this = udata
;
289 double volume
= mlt_properties_get_double( this->properties
, "volume" );
291 pthread_mutex_lock( &this->audio_mutex
);
293 // Block until audio received
294 while ( this->running
&& len
> this->audio_avail
)
295 pthread_cond_wait( &this->audio_cond
, &this->audio_mutex
);
297 if ( this->audio_avail
>= len
)
299 // Place in the audio buffer
301 SDL_MixAudio( stream
, this->audio_buffer
, len
, ( int )( ( float )SDL_MIX_MAXVOLUME
* volume
) );
303 memcpy( stream
, this->audio_buffer
, len
);
305 // Remove len from the audio available
306 this->audio_avail
-= len
;
308 // Remove the samples
309 memmove( this->audio_buffer
, this->audio_buffer
+ len
, this->audio_avail
);
313 // Just to be safe, wipe the stream first
314 memset( stream
, 0, len
);
317 SDL_MixAudio( stream
, this->audio_buffer
, len
, ( int )( ( float )SDL_MIX_MAXVOLUME
* volume
) );
320 this->audio_avail
= 0;
323 // We're definitely playing now
326 pthread_cond_broadcast( &this->audio_cond
);
327 pthread_mutex_unlock( &this->audio_mutex
);
330 static int consumer_play_audio( consumer_sdl
this, mlt_frame frame
, int init_audio
, int *duration
)
332 // Get the properties of this consumer
333 mlt_properties properties
= this->properties
;
334 mlt_audio_format afmt
= mlt_audio_pcm
;
336 // Set the preferred params of the test card signal
337 int channels
= mlt_properties_get_int( properties
, "channels" );
338 int frequency
= mlt_properties_get_int( properties
, "frequency" );
339 static int counter
= 0;
341 int samples
= mlt_sample_calculator( mlt_properties_get_double( this->properties
, "fps" ), frequency
, counter
++ );
346 mlt_frame_get_audio( frame
, &pcm
, &afmt
, &frequency
, &channels
, &samples
);
347 *duration
= ( ( samples
* 1000 ) / frequency
);
349 if ( mlt_properties_get_int( properties
, "audio_off" ) )
356 if ( init_audio
== 1 )
358 SDL_AudioSpec request
;
361 int audio_buffer
= mlt_properties_get_int( properties
, "audio_buffer" );
363 // specify audio format
364 memset( &request
, 0, sizeof( SDL_AudioSpec
) );
366 request
.freq
= frequency
;
367 request
.format
= AUDIO_S16SYS
;
368 request
.channels
= channels
;
369 request
.samples
= audio_buffer
;
370 request
.callback
= sdl_fill_audio
;
371 request
.userdata
= (void *)this;
372 if ( SDL_OpenAudio( &request
, &got
) != 0 )
374 fprintf( stderr
, "SDL failed to open audio: %s\n", SDL_GetError() );
377 else if ( got
.size
!= 0 )
384 if ( init_audio
== 0 )
386 mlt_properties properties
= MLT_FRAME_PROPERTIES( frame
);
387 bytes
= ( samples
* channels
* 2 );
388 pthread_mutex_lock( &this->audio_mutex
);
389 while ( this->running
&& bytes
> ( sizeof( this->audio_buffer
) - this->audio_avail
) )
390 pthread_cond_wait( &this->audio_cond
, &this->audio_mutex
);
393 if ( mlt_properties_get_double( properties
, "_speed" ) == 1 )
394 memcpy( &this->audio_buffer
[ this->audio_avail
], pcm
, bytes
);
396 memset( &this->audio_buffer
[ this->audio_avail
], 0, bytes
);
397 this->audio_avail
+= bytes
;
399 pthread_cond_broadcast( &this->audio_cond
);
400 pthread_mutex_unlock( &this->audio_mutex
);
410 static int consumer_play_video( consumer_sdl
this, mlt_frame frame
)
412 // Get the properties of this consumer
413 mlt_properties properties
= this->properties
;
415 mlt_image_format vfmt
= mlt_image_yuv422
;
416 int width
= this->width
, height
= this->height
;
420 int video_off
= mlt_properties_get_int( properties
, "video_off" );
421 int preview_off
= mlt_properties_get_int( properties
, "preview_off" );
422 mlt_image_format preview_format
= mlt_properties_get_int( properties
, "preview_format" );
423 int display_off
= video_off
| preview_off
;
425 if ( this->running
&& display_off
== 0 )
427 // Get the image, width and height
428 mlt_frame_get_image( frame
, &image
, &vfmt
, &width
, &height
, 0 );
429 mlt_properties_set_int( MLT_FRAME_PROPERTIES( frame
), "format", vfmt
);
430 mlt_events_fire( properties
, "consumer-frame-show", frame
, NULL
);
433 if ( this->sdl_screen
!= NULL
)
438 changed
= consumer_get_dimensions( &this->window_width
, &this->window_height
);
439 sdl_unlock_display( );
441 while ( SDL_PollEvent( &event
) )
443 mlt_events_fire( this->properties
, "consumer-sdl-event", &event
, NULL
);
447 case SDL_VIDEORESIZE
:
448 this->window_width
= event
.resize
.w
;
449 this->window_height
= event
.resize
.h
;
457 mlt_producer producer
= mlt_properties_get_data( properties
, "transport_producer", NULL
);
458 char keyboard
[ 2 ] = " ";
459 void (*callback
)( mlt_producer
, char * ) = mlt_properties_get_data( properties
, "transport_callback", NULL
);
460 if ( callback
!= NULL
&& producer
!= NULL
&& event
.key
.keysym
.unicode
< 0x80 && event
.key
.keysym
.unicode
> 0 )
462 keyboard
[ 0 ] = ( char )event
.key
.keysym
.unicode
;
463 callback( producer
, keyboard
);
473 if ( width
!= this->width
|| height
!= this->height
)
475 if ( this->sdl_overlay
!= NULL
)
476 SDL_FreeYUVOverlay( this->sdl_overlay
);
477 this->sdl_overlay
= NULL
;
480 if ( this->running
&& ( this->sdl_screen
== NULL
|| changed
) )
482 // Force an overlay recreation
483 if ( this->sdl_overlay
!= NULL
)
484 SDL_FreeYUVOverlay( this->sdl_overlay
);
485 this->sdl_overlay
= NULL
;
487 // open SDL window with video overlay, if possible
488 this->sdl_screen
= SDL_SetVideoMode( this->window_width
, this->window_height
, this->bpp
, this->sdl_flags
);
489 if ( consumer_get_dimensions( &this->window_width
, &this->window_height
) )
490 this->sdl_screen
= SDL_SetVideoMode( this->window_width
, this->window_height
, this->bpp
, this->sdl_flags
);
495 // Determine window's new display aspect ratio
496 double this_aspect
= ( double )this->window_width
/ this->window_height
;
498 // Get the display aspect ratio
499 double display_ratio
= mlt_properties_get_double( properties
, "display_ratio" );
501 // Determine frame's display aspect ratio
502 double frame_aspect
= mlt_frame_get_aspect_ratio( frame
) * width
/ height
;
504 // Store the width and height received
506 this->height
= height
;
508 // If using hardware scaler
509 if ( mlt_properties_get( properties
, "rescale" ) != NULL
&&
510 !strcmp( mlt_properties_get( properties
, "rescale" ), "none" ) )
512 // Use hardware scaler to normalise display aspect ratio
513 this->rect
.w
= frame_aspect
/ this_aspect
* this->window_width
;
514 this->rect
.h
= this->window_height
;
515 if ( this->rect
.w
> this->window_width
)
517 this->rect
.w
= this->window_width
;
518 this->rect
.h
= this_aspect
/ frame_aspect
* this->window_height
;
521 // Special case optimisation to negate odd effect of sample aspect ratio
522 // not corresponding exactly with image resolution.
523 else if ( (int)( this_aspect
* 1000 ) == (int)( display_ratio
* 1000 ) )
525 this->rect
.w
= this->window_width
;
526 this->rect
.h
= this->window_height
;
528 // Use hardware scaler to normalise sample aspect ratio
529 else if ( this->window_height
* display_ratio
> this->window_width
)
531 this->rect
.w
= this->window_width
;
532 this->rect
.h
= this->window_width
/ display_ratio
;
536 this->rect
.w
= this->window_height
* display_ratio
;
537 this->rect
.h
= this->window_height
;
540 this->rect
.x
= ( this->window_width
- this->rect
.w
) / 2;
541 this->rect
.y
= ( this->window_height
- this->rect
.h
) / 2;
542 this->rect
.x
-= this->rect
.x
% 2;
544 mlt_properties_set_int( this->properties
, "rect_x", this->rect
.x
);
545 mlt_properties_set_int( this->properties
, "rect_y", this->rect
.y
);
546 mlt_properties_set_int( this->properties
, "rect_w", this->rect
.w
);
547 mlt_properties_set_int( this->properties
, "rect_h", this->rect
.h
);
549 SDL_SetClipRect( this->sdl_screen
, &this->rect
);
552 if ( this->running
&& this->sdl_screen
!= NULL
&& this->sdl_overlay
== NULL
)
554 SDL_SetClipRect( this->sdl_screen
, &this->rect
);
555 this->sdl_overlay
= SDL_CreateYUVOverlay( width
, height
, SDL_YUY2_OVERLAY
, this->sdl_screen
);
558 if ( this->running
&& this->sdl_screen
!= NULL
&& this->sdl_overlay
!= NULL
)
560 this->buffer
= this->sdl_overlay
->pixels
[ 0 ];
561 if ( SDL_LockYUVOverlay( this->sdl_overlay
) >= 0 )
564 memcpy( this->buffer
, image
, width
* height
* 2 );
565 SDL_UnlockYUVOverlay( this->sdl_overlay
);
566 SDL_DisplayYUVOverlay( this->sdl_overlay
, &this->sdl_screen
->clip_rect
);
570 sdl_unlock_display();
572 else if ( this->running
)
574 vfmt
= preview_format
== mlt_image_none ? mlt_image_rgb24a
: preview_format
;
576 mlt_frame_get_image( frame
, &image
, &vfmt
, &width
, &height
, 0 );
577 mlt_properties_set_int( MLT_FRAME_PROPERTIES( frame
), "format", vfmt
);
578 mlt_events_fire( properties
, "consumer-frame-show", frame
, NULL
);
584 static void *video_thread( void *arg
)
587 consumer_sdl
this = arg
;
589 // Obtain time of thread start
594 mlt_frame next
= NULL
;
595 mlt_properties properties
= NULL
;
598 // Get real time flag
599 int real_time
= mlt_properties_get_int( this->properties
, "real_time" );
601 // Get the current time
602 gettimeofday( &now
, NULL
);
604 // Determine start time
605 start
= ( int64_t )now
.tv_sec
* 1000000 + now
.tv_usec
;
607 while ( this->running
)
609 // Pop the next frame
610 pthread_mutex_lock( &this->video_mutex
);
611 next
= mlt_deque_pop_front( this->queue
);
612 while ( next
== NULL
&& this->running
)
614 pthread_cond_wait( &this->video_cond
, &this->video_mutex
);
615 next
= mlt_deque_pop_front( this->queue
);
617 pthread_mutex_unlock( &this->video_mutex
);
619 if ( !this->running
|| next
== NULL
) break;
621 // Get the properties
622 properties
= MLT_FRAME_PROPERTIES( next
);
624 // Get the speed of the frame
625 speed
= mlt_properties_get_double( properties
, "_speed" );
627 // Get the current time
628 gettimeofday( &now
, NULL
);
630 // Get the elapsed time
631 elapsed
= ( ( int64_t )now
.tv_sec
* 1000000 + now
.tv_usec
) - start
;
633 // See if we have to delay the display of the current frame
634 if ( mlt_properties_get_int( properties
, "rendered" ) == 1 && this->running
)
636 // Obtain the scheduled playout time
637 int64_t scheduled
= mlt_properties_get_int( properties
, "playtime" );
639 // Determine the difference between the elapsed time and the scheduled playout time
640 int64_t difference
= scheduled
- elapsed
;
642 // Smooth playback a bit
643 if ( real_time
&& ( difference
> 20000 && speed
== 1.0 ) )
645 tm
.tv_sec
= difference
/ 1000000;
646 tm
.tv_nsec
= ( difference
% 1000000 ) * 500;
647 nanosleep( &tm
, NULL
);
650 // Show current frame if not too old
651 if ( !real_time
|| ( difference
> -10000 || speed
!= 1.0 || mlt_deque_count( this->queue
) < 2 ) )
652 consumer_play_video( this, next
);
654 // If the queue is empty, recalculate start to allow build up again
655 if ( real_time
&& ( mlt_deque_count( this->queue
) == 0 && speed
== 1.0 ) )
657 gettimeofday( &now
, NULL
);
658 start
= ( ( int64_t )now
.tv_sec
* 1000000 + now
.tv_usec
) - scheduled
+ 20000;
662 // This frame can now be closed
663 mlt_frame_close( next
);
668 mlt_frame_close( next
);
670 mlt_consumer_stopped( &this->parent
);
675 /** Threaded wrapper for pipe.
678 static void *consumer_thread( void *arg
)
681 consumer_sdl
this = arg
;
684 mlt_consumer consumer
= &this->parent
;
686 // Convenience functionality
687 int terminate_on_pause
= mlt_properties_get_int( MLT_CONSUMER_PROPERTIES( consumer
), "terminate_on_pause" );
693 // internal intialization
696 mlt_frame frame
= NULL
;
697 mlt_properties properties
= NULL
;
699 int64_t playtime
= 0;
700 struct timespec tm
= { 0, 100000 };
702 // Loop until told not to
703 while( !terminated
&& this->running
)
705 // Get a frame from the attached producer
706 frame
= mlt_consumer_rt_frame( consumer
);
708 // Check for termination
709 if ( terminate_on_pause
&& frame
!= NULL
)
710 terminated
= mlt_properties_get_double( MLT_FRAME_PROPERTIES( frame
), "_speed" ) == 0.0;
712 // Ensure that we have a frame
715 // Get the frame properties
716 properties
= MLT_FRAME_PROPERTIES( frame
);
719 init_audio
= consumer_play_audio( this, frame
, init_audio
, &duration
);
721 // Determine the start time now
722 if ( this->playing
&& init_video
)
724 // Create the video thread
725 pthread_create( &thread
, NULL
, video_thread
, this );
727 // Video doesn't need to be initialised any more
731 // Set playtime for this frame
732 mlt_properties_set_int( properties
, "playtime", playtime
);
734 while ( this->running
&& mlt_deque_count( this->queue
) > 15 )
735 nanosleep( &tm
, NULL
);
737 // Push this frame to the back of the queue
738 pthread_mutex_lock( &this->video_mutex
);
739 mlt_deque_push_back( this->queue
, frame
);
740 pthread_cond_broadcast( &this->video_cond
);
741 pthread_mutex_unlock( &this->video_mutex
);
743 // Calculate the next playtime
744 playtime
+= ( duration
* 1000 );
750 // Kill the video thread
751 if ( init_video
== 0 )
753 pthread_mutex_lock( &this->video_mutex
);
754 pthread_cond_broadcast( &this->video_cond
);
755 pthread_mutex_unlock( &this->video_mutex
);
756 pthread_join( thread
, NULL
);
759 while( mlt_deque_count( this->queue
) )
760 mlt_frame_close( mlt_deque_pop_back( this->queue
) );
762 this->sdl_screen
= NULL
;
763 this->audio_avail
= 0;
768 static int consumer_get_dimensions( int *width
, int *height
)
772 // SDL windows manager structure
775 // Specify the SDL Version
776 SDL_VERSION( &wm
.version
);
779 //sdl_lock_display();
782 // Get the wm structure
783 if ( SDL_GetWMInfo( &wm
) == 1 )
785 // Check that we have the X11 wm
786 if ( wm
.subsystem
== SDL_SYSWM_X11
)
788 // Get the SDL window
789 Window window
= wm
.info
.x11
.window
;
791 // Get the display session
792 Display
*display
= wm
.info
.x11
.display
;
794 // Get the window attributes
795 XWindowAttributes attr
;
796 XGetWindowAttributes( display
, window
, &attr
);
798 // Determine whether window has changed
799 changed
= *width
!= attr
.width
|| *height
!= attr
.height
;
801 // Return width and height
803 *height
= attr
.height
;
808 // Unlock the display
809 //sdl_unlock_display();
814 /** Callback to allow override of the close method.
817 static void consumer_close( mlt_consumer parent
)
819 // Get the actual object
820 consumer_sdl
this = parent
->child
;
823 ///mlt_consumer_stop( parent );
825 // Now clean up the rest
826 mlt_consumer_close( parent
);
829 mlt_deque_close( this->queue
);
832 pthread_mutex_destroy( &this->audio_mutex
);
833 pthread_cond_destroy( &this->audio_cond
);
835 // Finally clean up this