1 /*****************************************************************************
2 * opengl.c: OpenGL video output
3 *****************************************************************************
4 * Copyright (C) 2004 the VideoLAN team
7 * Authors: Cyril Deguet <asmax@videolan.org>
8 * Gildas Bazin <gbazin@videolan.org>
9 * Eric Petit <titer@m0k.org>
10 * Cedric Cocquebert <cedric.cocquebert@supelec.fr>
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., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
25 *****************************************************************************/
27 /*****************************************************************************
29 *****************************************************************************/
35 #include <errno.h> /* ENOMEM */
37 #include <vlc_common.h>
38 #include <vlc_plugin.h>
42 #include <OpenGL/gl.h>
43 #include <OpenGL/glext.h>
45 /* On OS X, use GL_TEXTURE_RECTANGLE_EXT instead of GL_TEXTURE_2D.
46 This allows sizes which are not powers of 2 */
47 #define VLCGL_TARGET GL_TEXTURE_RECTANGLE_EXT
49 /* OS X OpenGL supports YUV. Hehe. */
50 #define VLCGL_FORMAT GL_YCBCR_422_APPLE
51 #define VLCGL_TYPE GL_UNSIGNED_SHORT_8_8_APPLE
55 #define VLCGL_TARGET GL_TEXTURE_2D
58 #ifndef GL_UNSIGNED_SHORT_5_6_5
59 #define GL_UNSIGNED_SHORT_5_6_5 0x8363
61 //#define VLCGL_RGB_FORMAT GL_RGB
62 //#define VLCGL_RGB_TYPE GL_UNSIGNED_SHORT_5_6_5
65 //#define VLCGL_RGB_FORMAT GL_RGB
66 //#define VLCGL_RGB_TYPE GL_UNSIGNED_BYTE
69 #define VLCGL_RGB_FORMAT GL_RGBA
70 #define VLCGL_RGB_TYPE GL_UNSIGNED_BYTE
74 #define YCBCR_MESA 0x8757
76 #ifndef UNSIGNED_SHORT_8_8_MESA
77 #define UNSIGNED_SHORT_8_8_MESA 0x85BA
79 #define VLCGL_YUV_FORMAT YCBCR_MESA
80 #define VLCGL_YUV_TYPE UNSIGNED_SHORT_8_8_MESA
82 /* Use RGB on Win32/GLX */
83 #define VLCGL_FORMAT VLCGL_RGB_FORMAT
84 #define VLCGL_TYPE VLCGL_RGB_TYPE
85 //#define VLCGL_FORMAT VLCGL_YUV_FORMAT
86 //#define VLCGL_TYPE VLCGL_YUV_TYPE
89 #ifndef GL_CLAMP_TO_EDGE
90 # define GL_CLAMP_TO_EDGE 0x812F
93 /*****************************************************************************
95 *****************************************************************************/
96 static int CreateVout ( vlc_object_t * );
97 static void DestroyVout ( vlc_object_t * );
98 static int Init ( vout_thread_t * );
99 static void End ( vout_thread_t * );
100 static int Manage ( vout_thread_t * );
101 static void Render ( vout_thread_t *, picture_t * );
102 static void DisplayVideo ( vout_thread_t *, picture_t * );
103 static int Control ( vout_thread_t *, int, va_list );
105 static inline int GetAlignedSize( int );
107 static int InitTextures ( vout_thread_t * );
108 static int SendEvents ( vlc_object_t *, char const *,
109 vlc_value_t, vlc_value_t, void * );
111 #define PROVIDER_TEXT N_("OpenGL Provider")
112 #define PROVIDER_LONGTEXT N_("Allows you to modify what OpenGL provider should be used")
115 set_shortname( "OpenGL" )
116 set_category( CAT_VIDEO )
117 set_subcategory( SUBCAT_VIDEO_VOUT )
118 set_description( N_("OpenGL video output") )
120 set_capability( "video output", 200 )
122 set_capability( "video output", 20 )
124 add_shortcut( "opengl" )
125 /* Allow opengl provider plugin selection */
126 add_string( "opengl-provider", "default", NULL, PROVIDER_TEXT,
127 PROVIDER_LONGTEXT, true )
128 set_callbacks( CreateVout, DestroyVout )
131 /*****************************************************************************
132 * vout_sys_t: video output method descriptor
133 *****************************************************************************
134 * This structure is part of the video output thread descriptor.
135 * It describes the OpenGL specific properties of the output thread.
136 *****************************************************************************/
139 vout_thread_t *p_vout;
141 uint8_t *pp_buffer[2];
145 GLuint p_textures[2];
148 /*****************************************************************************
149 * CreateVout: This function allocates and initializes the OpenGL vout method.
150 *****************************************************************************/
151 static int CreateVout( vlc_object_t *p_this )
153 vout_thread_t *p_vout = (vout_thread_t *)p_this;
157 /* Allocate structure */
158 p_vout->p_sys = p_sys = malloc( sizeof( vout_sys_t ) );
164 p_sys->i_tex_width = p_vout->fmt_in.i_width;
165 p_sys->i_tex_height = p_vout->fmt_in.i_height;
167 /* A texture must have a size aligned on a power of 2 */
168 p_sys->i_tex_width = GetAlignedSize( p_vout->fmt_in.i_width );
169 p_sys->i_tex_height = GetAlignedSize( p_vout->fmt_in.i_height );
172 msg_Dbg( p_vout, "Texture size: %dx%d", p_sys->i_tex_width,
173 p_sys->i_tex_height );
177 (vout_thread_t *)vlc_object_create( p_this, sizeof( vout_thread_t ) );
178 if( p_sys->p_vout == NULL )
183 vlc_object_attach( p_sys->p_vout, p_this );
185 p_sys->p_vout->i_window_width = p_vout->i_window_width;
186 p_sys->p_vout->i_window_height = p_vout->i_window_height;
187 p_sys->p_vout->b_fullscreen = p_vout->b_fullscreen;
188 p_sys->p_vout->render.i_width = p_vout->render.i_width;
189 p_sys->p_vout->render.i_height = p_vout->render.i_height;
190 p_sys->p_vout->render.i_aspect = p_vout->render.i_aspect;
191 p_sys->p_vout->fmt_render = p_vout->fmt_render;
192 p_sys->p_vout->fmt_in = p_vout->fmt_in;
193 p_sys->p_vout->b_scale = p_vout->b_scale;
194 p_sys->p_vout->i_alignment = p_vout->i_alignment;
196 psz = config_GetPsz( p_vout, "opengl-provider" );
198 msg_Dbg( p_vout, "requesting \"%s\" opengl provider",
199 psz ? psz : "default" );
201 p_sys->p_vout->p_module =
202 module_need( p_sys->p_vout, "opengl provider", psz, false );
204 if( p_sys->p_vout->p_module == NULL )
206 msg_Warn( p_vout, "No OpenGL provider found" );
207 vlc_object_detach( p_sys->p_vout );
208 vlc_object_release( p_sys->p_vout );
212 p_vout->pf_init = Init;
213 p_vout->pf_end = End;
214 p_vout->pf_manage = Manage;
215 p_vout->pf_render = Render;
216 p_vout->pf_display = DisplayVideo;
217 p_vout->pf_control = Control;
219 /* Forward events from the opengl provider */
220 var_Create( p_sys->p_vout, "mouse-x", VLC_VAR_INTEGER );
221 var_Create( p_sys->p_vout, "mouse-y", VLC_VAR_INTEGER );
222 var_Create( p_sys->p_vout, "mouse-moved", VLC_VAR_BOOL );
223 var_Create( p_sys->p_vout, "mouse-clicked", VLC_VAR_BOOL );
224 var_Create( p_sys->p_vout, "mouse-button-down", VLC_VAR_INTEGER );
225 var_Create( p_sys->p_vout, "video-on-top",
226 VLC_VAR_BOOL | VLC_VAR_DOINHERIT );
228 var_AddCallback( p_sys->p_vout, "mouse-x", SendEvents, p_vout );
229 var_AddCallback( p_sys->p_vout, "mouse-y", SendEvents, p_vout );
230 var_AddCallback( p_sys->p_vout, "mouse-moved", SendEvents, p_vout );
231 var_AddCallback( p_sys->p_vout, "mouse-clicked", SendEvents, p_vout );
232 var_AddCallback( p_sys->p_vout, "mouse-button-down", SendEvents, p_vout );
237 /*****************************************************************************
238 * Init: initialize the OpenGL video thread output method
239 *****************************************************************************/
240 static int Init( vout_thread_t *p_vout )
242 vout_sys_t *p_sys = p_vout->p_sys;
245 p_sys->p_vout->pf_init( p_sys->p_vout );
247 /* TODO: We use YCbCr on Mac which is Y422, but on OSX it seems to == YUY2. Verify */
248 #if ( defined( WORDS_BIGENDIAN ) && VLCGL_FORMAT == GL_YCBCR_422_APPLE ) || (VLCGL_FORMAT == YCBCR_MESA)
249 p_vout->output.i_chroma = VLC_FOURCC('Y','U','Y','2');
252 #elif (VLCGL_FORMAT == GL_YCBCR_422_APPLE)
253 p_vout->output.i_chroma = VLC_FOURCC('U','Y','V','Y');
256 #elif VLCGL_FORMAT == GL_RGB
257 # if VLCGL_TYPE == GL_UNSIGNED_BYTE
258 p_vout->output.i_chroma = VLC_FOURCC('R','V','2','4');
259 # if defined( WORDS_BIGENDIAN )
260 p_vout->output.i_rmask = 0x00ff0000;
261 p_vout->output.i_gmask = 0x0000ff00;
262 p_vout->output.i_bmask = 0x000000ff;
264 p_vout->output.i_rmask = 0x000000ff;
265 p_vout->output.i_gmask = 0x0000ff00;
266 p_vout->output.i_bmask = 0x00ff0000;
270 p_vout->output.i_chroma = VLC_FOURCC('R','V','1','6');
271 # if defined( WORDS_BIGENDIAN )
272 p_vout->output.i_rmask = 0x001f;
273 p_vout->output.i_gmask = 0x07e0;
274 p_vout->output.i_bmask = 0xf800;
276 p_vout->output.i_rmask = 0xf800;
277 p_vout->output.i_gmask = 0x07e0;
278 p_vout->output.i_bmask = 0x001f;
283 p_vout->output.i_chroma = VLC_FOURCC('R','V','3','2');
284 # if defined( WORDS_BIGENDIAN )
285 p_vout->output.i_rmask = 0xff000000;
286 p_vout->output.i_gmask = 0x00ff0000;
287 p_vout->output.i_bmask = 0x0000ff00;
289 p_vout->output.i_rmask = 0x000000ff;
290 p_vout->output.i_gmask = 0x0000ff00;
291 p_vout->output.i_bmask = 0x00ff0000;
296 /* Since OpenGL can do rescaling for us, stick to the default
297 * coordinates and aspect. */
298 p_vout->output.i_width = p_vout->render.i_width;
299 p_vout->output.i_height = p_vout->render.i_height;
300 p_vout->output.i_aspect = p_vout->render.i_aspect;
302 p_vout->fmt_out = p_vout->fmt_in;
303 p_vout->fmt_out.i_chroma = p_vout->output.i_chroma;
305 /* We know the chroma, allocate one buffer which will be used
306 * directly by the decoder */
307 p_sys->pp_buffer[0] =
308 malloc( p_sys->i_tex_width * p_sys->i_tex_height * i_pixel_pitch );
309 if( !p_sys->pp_buffer[0] )
311 p_sys->pp_buffer[1] =
312 malloc( p_sys->i_tex_width * p_sys->i_tex_height * i_pixel_pitch );
313 if( !p_sys->pp_buffer[1] )
316 p_vout->p_picture[0].i_planes = 1;
317 p_vout->p_picture[0].p->p_pixels = p_sys->pp_buffer[0];
318 p_vout->p_picture[0].p->i_lines = p_vout->output.i_height;
319 p_vout->p_picture[0].p->i_visible_lines = p_vout->output.i_height;
320 p_vout->p_picture[0].p->i_pixel_pitch = i_pixel_pitch;
321 p_vout->p_picture[0].p->i_pitch = p_vout->output.i_width *
322 p_vout->p_picture[0].p->i_pixel_pitch;
323 p_vout->p_picture[0].p->i_visible_pitch = p_vout->output.i_width *
324 p_vout->p_picture[0].p->i_pixel_pitch;
326 p_vout->p_picture[0].i_status = DESTROYED_PICTURE;
327 p_vout->p_picture[0].i_type = DIRECT_PICTURE;
329 PP_OUTPUTPICTURE[ 0 ] = &p_vout->p_picture[0];
331 I_OUTPUTPICTURES = 1;
333 if( p_sys->p_vout->pf_lock &&
334 p_sys->p_vout->pf_lock( p_sys->p_vout ) )
336 msg_Warn( p_vout, "could not lock OpenGL provider" );
340 InitTextures( p_vout );
343 glDisable(GL_DEPTH_TEST);
344 glDepthMask(GL_FALSE);
345 glDisable(GL_CULL_FACE);
346 glClearColor( 0.0f, 0.0f, 0.0f, 1.0f );
347 glClear( GL_COLOR_BUFFER_BIT );
349 if( p_sys->p_vout->pf_unlock )
351 p_sys->p_vout->pf_unlock( p_sys->p_vout );
357 /*****************************************************************************
358 * End: terminate GLX video thread output method
359 *****************************************************************************/
360 static void End( vout_thread_t *p_vout )
362 vout_sys_t *p_sys = p_vout->p_sys;
364 if( p_sys->p_vout->pf_lock &&
365 p_sys->p_vout->pf_lock( p_sys->p_vout ) )
367 msg_Warn( p_vout, "could not lock OpenGL provider" );
374 /* Free the texture buffer*/
375 glDeleteTextures( 2, p_sys->p_textures );
376 free( p_sys->pp_buffer[0] );
377 free( p_sys->pp_buffer[1] );
379 if( p_sys->p_vout->pf_unlock )
381 p_sys->p_vout->pf_unlock( p_sys->p_vout );
385 /*****************************************************************************
386 * Destroy: destroy GLX video thread output method
387 *****************************************************************************
388 * Terminate an output method created by CreateVout
389 *****************************************************************************/
390 static void DestroyVout( vlc_object_t *p_this )
392 vout_thread_t *p_vout = (vout_thread_t *)p_this;
393 vout_sys_t *p_sys = p_vout->p_sys;
395 module_unneed( p_sys->p_vout, p_sys->p_vout->p_module );
396 vlc_object_release( p_sys->p_vout );
401 /*****************************************************************************
402 * Manage: handle Sys events
403 *****************************************************************************
404 * This function should be called regularly by video output thread. It returns
405 * a non null value if an error occurred.
406 *****************************************************************************/
407 static int Manage( vout_thread_t *p_vout )
409 vout_sys_t *p_sys = p_vout->p_sys;
410 int i_ret, i_fullscreen_change;
412 i_fullscreen_change = ( p_vout->i_changes & VOUT_FULLSCREEN_CHANGE );
414 p_vout->fmt_out.i_x_offset = p_sys->p_vout->fmt_in.i_x_offset =
415 p_vout->fmt_in.i_x_offset;
416 p_vout->fmt_out.i_y_offset = p_sys->p_vout->fmt_in.i_y_offset =
417 p_vout->fmt_in.i_y_offset;
418 p_vout->fmt_out.i_visible_width = p_sys->p_vout->fmt_in.i_visible_width =
419 p_vout->fmt_in.i_visible_width;
420 p_vout->fmt_out.i_visible_height = p_sys->p_vout->fmt_in.i_visible_height =
421 p_vout->fmt_in.i_visible_height;
422 p_vout->fmt_out.i_aspect = p_sys->p_vout->fmt_in.i_aspect =
423 p_vout->fmt_in.i_aspect;
424 p_vout->fmt_out.i_sar_num = p_sys->p_vout->fmt_in.i_sar_num =
425 p_vout->fmt_in.i_sar_num;
426 p_vout->fmt_out.i_sar_den = p_sys->p_vout->fmt_in.i_sar_den =
427 p_vout->fmt_in.i_sar_den;
428 p_vout->output.i_aspect = p_vout->fmt_in.i_aspect;
430 p_sys->p_vout->i_changes = p_vout->i_changes;
431 i_ret = p_sys->p_vout->pf_manage( p_sys->p_vout );
432 p_vout->i_changes = p_sys->p_vout->i_changes;
435 if( p_sys->p_vout->pf_lock &&
436 p_sys->p_vout->pf_lock( p_sys->p_vout ) )
438 msg_Warn( p_vout, "could not lock OpenGL provider" );
442 /* On OS X, we create the window and the GL view when entering
443 fullscreen - the textures have to be inited again */
444 if( i_fullscreen_change )
446 InitTextures( p_vout );
449 if( p_sys->p_vout->pf_unlock )
451 p_sys->p_vout->pf_unlock( p_sys->p_vout );
454 // to align in real time in OPENGL
455 if (p_sys->p_vout->i_alignment != p_vout->i_alignment)
457 p_vout->i_changes = VOUT_CROP_CHANGE; //to force change
458 p_sys->p_vout->i_alignment = p_vout->i_alignment;
463 /*****************************************************************************
464 * Render: render previously calculated output
465 *****************************************************************************/
466 static void Render( vout_thread_t *p_vout, picture_t *p_pic )
469 vout_sys_t *p_sys = p_vout->p_sys;
471 /* On Win32/GLX, we do this the usual way:
472 + Fill the buffer with new content,
473 + Reload the texture,
476 On OS X with VRAM or AGP texturing, the order has to be:
477 + Reload the texture,
478 + Fill the buffer with new content,
481 (Thanks to gcc from the Arstechnica forums for the tip)
483 Therefore, we have to use two buffers and textures. On Win32/GLX,
484 we reload the texture to be displayed and use it right away. On
485 OS X, we first render, then reload the texture to be used next
488 if( p_sys->p_vout->pf_lock &&
489 p_sys->p_vout->pf_lock( p_sys->p_vout ) )
491 msg_Warn( p_vout, "could not lock OpenGL provider" );
497 i_new_index = ( p_sys->i_index + 1 ) & 1;
500 /* Update the texture */
501 glBindTexture( VLCGL_TARGET, p_sys->p_textures[i_new_index] );
502 glTexSubImage2D( VLCGL_TARGET, 0, 0, 0,
503 p_vout->fmt_out.i_width,
504 p_vout->fmt_out.i_height,
505 VLCGL_FORMAT, VLCGL_TYPE, p_sys->pp_buffer[i_new_index] );
507 /* Bind to the previous texture for drawing */
508 glBindTexture( VLCGL_TARGET, p_sys->p_textures[p_sys->i_index] );
511 p_sys->i_index = i_new_index;
512 p_pic->p->p_pixels = p_sys->pp_buffer[p_sys->i_index];
515 /* Update the texture */
516 glTexSubImage2D( GL_TEXTURE_2D, 0, 0, 0,
517 p_vout->fmt_out.i_width,
518 p_vout->fmt_out.i_height,
519 VLCGL_FORMAT, VLCGL_TYPE, p_sys->pp_buffer[0] );
522 if( p_sys->p_vout->pf_unlock )
524 p_sys->p_vout->pf_unlock( p_sys->p_vout );
528 /*****************************************************************************
529 * DisplayVideo: displays previously rendered output
530 *****************************************************************************/
531 static void DisplayVideo( vout_thread_t *p_vout, picture_t *p_pic )
534 vout_sys_t *p_sys = p_vout->p_sys;
535 float f_width, f_height, f_x, f_y;
537 if( p_sys->p_vout->pf_lock &&
538 p_sys->p_vout->pf_lock( p_sys->p_vout ) )
540 msg_Warn( p_vout, "could not lock OpenGL provider" );
544 /* glTexCoord works differently with GL_TEXTURE_2D and
545 GL_TEXTURE_RECTANGLE_EXT */
547 f_x = (float)p_vout->fmt_out.i_x_offset;
548 f_y = (float)p_vout->fmt_out.i_y_offset;
549 f_width = (float)p_vout->fmt_out.i_x_offset +
550 (float)p_vout->fmt_out.i_visible_width;
551 f_height = (float)p_vout->fmt_out.i_y_offset +
552 (float)p_vout->fmt_out.i_visible_height;
554 f_x = (float)p_vout->fmt_out.i_x_offset / p_sys->i_tex_width;
555 f_y = (float)p_vout->fmt_out.i_y_offset / p_sys->i_tex_height;
556 f_width = ( (float)p_vout->fmt_out.i_x_offset +
557 p_vout->fmt_out.i_visible_width ) / p_sys->i_tex_width;
558 f_height = ( (float)p_vout->fmt_out.i_y_offset +
559 p_vout->fmt_out.i_visible_height ) / p_sys->i_tex_height;
562 /* Why drawing here and not in Render()? Because this way, the
563 OpenGL providers can call pf_display to force redraw. Currently,
564 the OS X provider uses it to get a smooth window resizing */
566 glClear( GL_COLOR_BUFFER_BIT );
568 glEnable( VLCGL_TARGET );
569 glBegin( GL_POLYGON );
570 glTexCoord2f( f_x, f_y ); glVertex2f( -1.0, 1.0 );
571 glTexCoord2f( f_width, f_y ); glVertex2f( 1.0, 1.0 );
572 glTexCoord2f( f_width, f_height ); glVertex2f( 1.0, -1.0 );
573 glTexCoord2f( f_x, f_height ); glVertex2f( -1.0, -1.0 );
576 glDisable( VLCGL_TARGET );
578 p_sys->p_vout->pf_swap( p_sys->p_vout );
580 if( p_sys->p_vout->pf_unlock )
582 p_sys->p_vout->pf_unlock( p_sys->p_vout );
586 int GetAlignedSize( int i_size )
588 /* Return the nearest power of 2 */
590 while( i_result < i_size )
597 /*****************************************************************************
598 * Control: control facility for the vout
599 *****************************************************************************/
600 static int Control( vout_thread_t *p_vout, int i_query, va_list args )
602 vout_sys_t *p_sys = p_vout->p_sys;
607 return vout_vaControlDefault( p_vout, i_query, args );
610 if( p_sys->p_vout->pf_control )
611 return p_sys->p_vout->pf_control( p_sys->p_vout, i_query, args );
613 return vout_vaControlDefault( p_vout, i_query, args );
617 static int InitTextures( vout_thread_t *p_vout )
619 vout_sys_t *p_sys = p_vout->p_sys;
622 glDeleteTextures( 2, p_sys->p_textures );
623 glGenTextures( 2, p_sys->p_textures );
625 for( i_index = 0; i_index < 2; i_index++ )
627 glBindTexture( VLCGL_TARGET, p_sys->p_textures[i_index] );
629 /* Set the texture parameters */
630 glTexParameterf( VLCGL_TARGET, GL_TEXTURE_PRIORITY, 1.0 );
632 glTexParameteri( VLCGL_TARGET, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE );
633 glTexParameteri( VLCGL_TARGET, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE );
635 glTexParameteri( VLCGL_TARGET, GL_TEXTURE_MAG_FILTER, GL_LINEAR );
636 glTexParameteri( VLCGL_TARGET, GL_TEXTURE_MIN_FILTER, GL_LINEAR );
638 glTexEnvf( GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE );
641 /* Tell the driver not to make a copy of the texture but to use
643 glEnable( GL_UNPACK_CLIENT_STORAGE_APPLE );
644 glPixelStorei( GL_UNPACK_CLIENT_STORAGE_APPLE, GL_TRUE );
647 /* Use VRAM texturing */
648 glTexParameteri( VLCGL_TARGET, GL_TEXTURE_STORAGE_HINT_APPLE,
649 GL_STORAGE_CACHED_APPLE );
651 /* Use AGP texturing */
652 glTexParameteri( VLCGL_TARGET, GL_TEXTURE_STORAGE_HINT_APPLE,
653 GL_STORAGE_SHARED_APPLE );
657 /* Call glTexImage2D only once, and use glTexSubImage2D later */
658 glTexImage2D( VLCGL_TARGET, 0, 3, p_sys->i_tex_width,
659 p_sys->i_tex_height, 0, VLCGL_FORMAT, VLCGL_TYPE,
660 p_sys->pp_buffer[i_index] );
666 /*****************************************************************************
667 * SendEvents: forward mouse and keyboard events to the parent p_vout
668 *****************************************************************************/
669 static int SendEvents( vlc_object_t *p_this, char const *psz_var,
670 vlc_value_t oldval, vlc_value_t newval, void *_p_vout )
672 VLC_UNUSED(p_this); VLC_UNUSED(oldval);
673 return var_Set( (vlc_object_t *)_p_vout, psz_var, newval );