1 /*****************************************************************************
2 * vlc_video.h: common video definitions
3 *****************************************************************************
4 * Copyright (C) 1999 - 2008 the VideoLAN team
7 * Authors: Vincent Seguin <seguin@via.ecp.fr>
8 * Samuel Hocevar <sam@via.ecp.fr>
9 * Olivier Aubert <oaubert 47 videolan d07 org>
11 * This program is free software; you can redistribute it and/or modify
12 * it under the terms of the GNU General Public License as published by
13 * the Free Software Foundation; either version 2 of the License, or
14 * (at your option) any later version.
16 * This program is distributed in the hope that it will be useful,
17 * but WITHOUT ANY WARRANTY; without even the implied warranty of
18 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
19 * GNU General Public License for more details.
21 * You should have received a copy of the GNU General Public License
22 * along with this program; if not, write to the Free Software
23 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
24 *****************************************************************************/
27 #define _VLC_VOUT_H_ 1
30 #include <vlc_filter.h>
32 /** Description of a planar graphic field */
33 typedef struct plane_t
35 uint8_t *p_pixels; /**< Start of the plane's data */
37 /* Variables used for fast memcpy operations */
38 int i_lines; /**< Number of lines, including margins */
39 int i_pitch; /**< Number of bytes in a line, including margins */
41 /** Size of a macropixel, defaults to 1 */
44 /* Variables used for pictures with margins */
45 int i_visible_lines; /**< How many visible lines are there ? */
46 int i_visible_pitch; /**< How many visible pixels are there ? */
53 * Any picture destined to be displayed by a video output thread should be
54 * stored in this structure from it's creation to it's effective display.
55 * Picture type and flags should only be modified by the output thread. Note
56 * that an empty picture MUST have its flags set to 0.
61 * The properties of the picture
63 video_frame_format_t format;
65 /** Picture data - data can always be freely modified, but p_data may
66 * NEVER be modified. A direct buffer can be handled as the plugin
67 * wishes, it can even swap p_pixels buffers. */
69 void *p_data_orig; /**< pointer before memalign */
70 plane_t p[ VOUT_MAX_PLANES ]; /**< description of the planes */
71 int i_planes; /**< number of allocated planes */
73 /** \name Type and flags
74 * Should NOT be modified except by the vout thread
76 int i_status; /**< picture flags */
77 int i_type; /**< is picture a direct buffer ? */
78 bool b_slow; /**< is picture in slow memory ? */
79 int i_matrix_coefficients; /**< in YUV type, encoding type */
82 /** \name Picture management properties
83 * These properties can be modified using the video output thread API,
84 * but should never be written directly */
86 unsigned i_refcount; /**< link reference counter */
87 mtime_t date; /**< display date */
91 /** \name Picture dynamic properties
92 * Those properties can be changed by the decoder
95 bool b_progressive; /**< is it a progressive frame ? */
96 unsigned int i_nb_fields; /**< # of displayed fields */
97 bool b_top_field_first; /**< which field is first */
100 /** The picture heap we are attached to */
101 picture_heap_t* p_heap;
103 /* Some vouts require the picture to be locked before it can be modified */
104 int (* pf_lock) ( vout_thread_t *, picture_t * );
105 int (* pf_unlock) ( vout_thread_t *, picture_t * );
107 /** Private data - the video output plugin might want to put stuff here to
108 * keep track of the picture */
109 picture_sys_t * p_sys;
111 /** This way the picture_Release can be overloaded */
112 void (*pf_release)( picture_t * );
114 /** Next picture in a FIFO a pictures */
115 struct picture_t *p_next;
119 * This function will create a new picture.
120 * The picture created will implement a default release management compatible
121 * with picture_Yield and picture_Release. This default management will release
122 * picture_sys_t *p_sys field if non NULL.
124 VLC_EXPORT( picture_t *, picture_New, ( vlc_fourcc_t i_chroma, int i_width, int i_height, int i_aspect ) );
127 * This function will force the destruction a picture.
128 * The value of the picture reference count should be 0 before entering this
130 * Unless used for reimplementing pf_release, you should not use this
131 * function but picture_Release.
133 VLC_EXPORT( void, picture_Delete, ( picture_t * ) );
136 * This function will increase the picture reference count.
137 * It will not have any effect on picture obtained from vout
139 static inline void picture_Yield( picture_t *p_picture )
141 if( p_picture->pf_release )
142 p_picture->i_refcount++;
145 * This function will release a picture.
146 * It will not have any effect on picture obtained from vout
148 static inline void picture_Release( picture_t *p_picture )
150 /* FIXME why do we let pf_release handle the i_refcount ? */
151 if( p_picture->pf_release )
152 p_picture->pf_release( p_picture );
156 * This function will copy all picture dynamic properties.
158 static inline void picture_CopyProperties( picture_t *p_dst, const picture_t *p_src )
160 p_dst->date = p_src->date;
161 p_dst->b_force = p_src->b_force;
163 p_dst->b_progressive = p_src->b_progressive;
164 p_dst->i_nb_fields = p_src->i_nb_fields;
165 p_dst->b_top_field_first = p_src->b_top_field_first;
169 * This function will copy the picture pixels.
171 VLC_EXPORT( void, picture_CopyPixels, ( picture_t *p_dst, const picture_t *p_src ) );
174 * This function will copy both picture dynamic properties and pixels.
175 * You have to notice that sometime a simple picture_Yield may do what
176 * you want without the copy overhead.
177 * Provided for convenience.
179 static inline void picture_Copy( picture_t *p_dst, const picture_t *p_src )
181 picture_CopyPixels( p_dst, p_src );
182 picture_CopyProperties( p_dst, p_src );
186 * Video picture heap, either render (to store pictures used
187 * by the decoder) or output (to store pictures displayed by the vout plugin)
189 struct picture_heap_t
191 int i_pictures; /**< current heap size */
193 /* \name Picture static properties
194 * Those properties are fixed at initialization and should NOT be modified
197 unsigned int i_width; /**< picture width */
198 unsigned int i_height; /**< picture height */
199 vlc_fourcc_t i_chroma; /**< picture chroma */
200 unsigned int i_aspect; /**< aspect ratio */
204 picture_t* pp_picture[VOUT_MAX_PICTURES]; /**< pictures */
205 int i_last_used_pic; /**< last used pic in heap */
206 bool b_allow_modify_pics;
208 /* Stuff used for truecolor RGB planes */
209 uint32_t i_rmask; int i_rrshift, i_lrshift;
210 uint32_t i_gmask; int i_rgshift, i_lgshift;
211 uint32_t i_bmask; int i_rbshift, i_lbshift;
213 /** Stuff used for palettized RGB planes */
214 void (* pf_setpalette) ( vout_thread_t *, uint16_t *, uint16_t *, uint16_t * );
217 /*****************************************************************************
218 * Flags used to describe the status of a picture
219 *****************************************************************************/
222 #define EMPTY_PICTURE 0 /* empty buffer */
223 #define MEMORY_PICTURE 100 /* heap-allocated buffer */
224 #define DIRECT_PICTURE 200 /* direct buffer */
227 #define FREE_PICTURE 0 /* free and not allocated */
228 #define RESERVED_PICTURE 1 /* allocated and reserved */
229 #define RESERVED_DATED_PICTURE 2 /* waiting for DisplayPicture */
230 #define RESERVED_DISP_PICTURE 3 /* waiting for a DatePicture */
231 #define READY_PICTURE 4 /* ready for display */
232 #define DISPLAYED_PICTURE 5 /* been displayed but is linked */
233 #define DESTROYED_PICTURE 6 /* allocated but no more used */
235 /*****************************************************************************
236 * Shortcuts to access image components
237 *****************************************************************************/
246 #define Y_PIXELS p[Y_PLANE].p_pixels
247 #define Y_PITCH p[Y_PLANE].i_pitch
248 #define U_PIXELS p[U_PLANE].p_pixels
249 #define U_PITCH p[U_PLANE].i_pitch
250 #define V_PIXELS p[V_PLANE].p_pixels
251 #define V_PITCH p[V_PLANE].i_pitch
252 #define A_PIXELS p[A_PLANE].p_pixels
253 #define A_PITCH p[A_PLANE].i_pitch
256 * \defgroup subpicture Video Subpictures
257 * Subpictures are pictures that should be displayed on top of the video, like
259 * \ingroup video_output
264 * Video subtitle region
266 * A subtitle region is defined by a picture (graphic) and its rendering
268 * Subtitles contain a list of regions.
270 struct subpicture_region_t
272 video_format_t fmt; /**< format of the picture */
273 picture_t picture; /**< picture comprising this region */
275 int i_x; /**< position of region */
276 int i_y; /**< position of region */
277 int i_align; /**< alignment within a region */
278 int i_alpha; /**< transparency */
280 char *psz_text; /**< text string comprising this region */
281 char *psz_html; /**< HTML version of subtitle (NULL = use psz_text) */
282 text_style_t *p_style; /**< a description of the text style formatting */
284 subpicture_region_t *p_next; /**< next region in the list */
285 subpicture_region_t *p_cache; /**< modified version of this region */
291 * Any subtitle destined to be displayed by a video output thread should
292 * be stored in this structure from it's creation to it's effective display.
293 * Subtitle type and flags should only be modified by the output thread. Note
294 * that an empty subtitle MUST have its flags set to 0.
298 /** \name Channel ID */
300 int i_channel; /**< subpicture channel ID */
303 /** \name Type and flags
304 Should NOT be modified except by the vout thread */
306 int i_type; /**< type */
307 int i_status; /**< flags */
308 subpicture_t * p_next; /**< next subtitle to be displayed */
311 /** \name Date properties */
313 mtime_t i_start; /**< beginning of display date */
314 mtime_t i_stop; /**< end of display date */
315 bool b_ephemer; /**< If this flag is set to true the subtitle
316 will be displayed untill the next one appear */
317 bool b_fade; /**< enable fading */
318 bool b_pausable; /**< subpicture will be paused if
322 subpicture_region_t *p_region; /**< region list composing this subtitle */
324 /** \name Display properties
325 * These properties are only indicative and may be
326 * changed by the video output thread, or simply ignored depending of the
329 int i_x; /**< offset from alignment position */
330 int i_y; /**< offset from alignment position */
331 int i_width; /**< picture width */
332 int i_height; /**< picture height */
333 int i_alpha; /**< transparency */
334 int i_original_picture_width; /**< original width of the movie */
335 int i_original_picture_height;/**< original height of the movie */
336 bool b_absolute; /**< position is absolute */
337 int i_flags; /**< position flags */
340 /** Pointer to function that renders this subtitle in a picture */
341 void ( *pf_render ) ( vout_thread_t *, picture_t *, const subpicture_t * );
342 /** Pointer to function that cleans up the private data of this subtitle */
343 void ( *pf_destroy ) ( subpicture_t * );
345 /** Pointer to functions for region management */
346 subpicture_region_t * ( *pf_create_region ) ( vlc_object_t *,
348 subpicture_region_t * ( *pf_make_region ) ( vlc_object_t *,
349 video_format_t *, picture_t * );
350 void ( *pf_destroy_region ) ( vlc_object_t *, subpicture_region_t * );
352 void ( *pf_pre_render ) ( video_format_t *, spu_t *, subpicture_t *, mtime_t );
353 subpicture_region_t * ( *pf_update_regions ) ( video_format_t *, spu_t *,
354 subpicture_t *, mtime_t );
356 /** Private data - the subtitle plugin might want to put stuff here to
357 * keep track of the subpicture */
358 subpicture_sys_t *p_sys; /* subpicture data */
361 /* Subpicture type */
362 #define EMPTY_SUBPICTURE 0 /* subtitle slot is empty and available */
363 #define MEMORY_SUBPICTURE 100 /* subpicture stored in memory */
365 /* Default subpicture channel ID */
366 #define DEFAULT_CHAN 1
368 /* Subpicture status */
369 #define FREE_SUBPICTURE 0 /* free and not allocated */
370 #define RESERVED_SUBPICTURE 1 /* allocated and reserved */
371 #define READY_SUBPICTURE 2 /* ready for display */
373 /* Subpicture position flags */
374 #define SUBPICTURE_ALIGN_LEFT 0x1
375 #define SUBPICTURE_ALIGN_RIGHT 0x2
376 #define SUBPICTURE_ALIGN_TOP 0x4
377 #define SUBPICTURE_ALIGN_BOTTOM 0x8
378 #define SUBPICTURE_ALIGN_MASK ( SUBPICTURE_ALIGN_LEFT|SUBPICTURE_ALIGN_RIGHT| \
379 SUBPICTURE_ALIGN_TOP |SUBPICTURE_ALIGN_BOTTOM )
381 /* Subpicture rendered flag - should only be used by vout_subpictures */
382 #define SUBPICTURE_RENDERED 0x10
384 /*****************************************************************************
386 *****************************************************************************/
389 * Copy the source picture onto the destination picture.
390 * \param p_this a vlc object
391 * \param p_dst pointer to the destination picture.
392 * \param p_src pointer to the source picture.
394 #define vout_CopyPicture(a,b,c) __vout_CopyPicture(VLC_OBJECT(a),b,c)
395 VLC_EXPORT( void, __vout_CopyPicture, ( vlc_object_t *p_this, picture_t *p_dst, picture_t *p_src ) );
398 * Initialise different fields of a picture_t (but does not allocate memory).
399 * \param p_this a vlc object
400 * \param p_pic pointer to the picture structure.
401 * \param i_chroma the wanted chroma for the picture.
402 * \param i_width the wanted width for the picture.
403 * \param i_height the wanted height for the picture.
404 * \param i_aspect the wanted aspect ratio for the picture.
406 #define vout_InitPicture(a,b,c,d,e,f) \
407 __vout_InitPicture(VLC_OBJECT(a),b,c,d,e,f)
408 VLC_EXPORT( int, __vout_InitPicture, ( vlc_object_t *p_this, picture_t *p_pic, uint32_t i_chroma, int i_width, int i_height, int i_aspect ) );
411 * Initialise different fields of a picture_t and allocates the picture buffer.
412 * \param p_this a vlc object
413 * \param p_pic pointer to the picture structure.
414 * \param i_chroma the wanted chroma for the picture.
415 * \param i_width the wanted width for the picture.
416 * \param i_height the wanted height for the picture.
417 * \param i_aspect the wanted aspect ratio for the picture.
419 #define vout_AllocatePicture(a,b,c,d,e,f) \
420 __vout_AllocatePicture(VLC_OBJECT(a),b,c,d,e,f)
421 VLC_EXPORT( int, __vout_AllocatePicture,( vlc_object_t *p_this, picture_t *p_pic, uint32_t i_chroma, int i_width, int i_height, int i_aspect ) );
425 * \defgroup video_output Video Output
426 * This module describes the programming interface for video output threads.
427 * It includes functions allowing to open a new thread, send pictures to a
428 * thread, and destroy a previously opened video output thread.
433 * Video output thread descriptor
435 * Any independent video output device, such as an X11 window or a GGI device,
436 * is represented by a video output thread, and described using the following
443 /** \name Thread properties and locks */
445 vlc_mutex_t picture_lock; /**< picture heap lock */
446 vlc_mutex_t subpicture_lock; /**< subpicture heap lock */
447 vlc_mutex_t change_lock; /**< thread change lock */
448 vlc_mutex_t vfilter_lock; /**< video filter2 change lock */
449 vout_sys_t * p_sys; /**< system output method */
452 /** \name Current display properties */
454 uint16_t i_changes; /**< changes made to the thread.
455 \see \ref vout_changes */
456 float f_gamma; /**< gamma */
457 bool b_grayscale; /**< color or grayscale display */
458 bool b_info; /**< print additional information */
459 bool b_interface; /**< render interface */
460 bool b_scale; /**< allow picture scaling */
461 bool b_fullscreen; /**< toogle fullscreen display */
462 uint32_t render_time; /**< last picture render time */
463 unsigned int i_window_width; /**< video window width */
464 unsigned int i_window_height; /**< video window height */
465 unsigned int i_alignment; /**< video alignment in window */
466 unsigned int i_par_num; /**< monitor pixel aspect-ratio */
467 unsigned int i_par_den; /**< monitor pixel aspect-ratio */
469 struct vout_window_t *p_window; /**< window for embedded vout (if any) */
472 /** \name Plugin used and shortcuts to access its capabilities */
475 int ( *pf_init ) ( vout_thread_t * );
476 void ( *pf_end ) ( vout_thread_t * );
477 int ( *pf_manage ) ( vout_thread_t * );
478 void ( *pf_render ) ( vout_thread_t *, picture_t * );
479 void ( *pf_display ) ( vout_thread_t *, picture_t * );
480 void ( *pf_swap ) ( vout_thread_t * ); /* OpenGL only */
481 int ( *pf_lock ) ( vout_thread_t * ); /* OpenGL only */
482 void ( *pf_unlock ) ( vout_thread_t * ); /* OpenGL only */
483 int ( *pf_control ) ( vout_thread_t *, int, va_list );
487 * These numbers are not supposed to be accurate, but are a
488 * good indication of the thread status */
490 count_t c_fps_samples; /**< picture counts */
491 mtime_t p_fps_sample[VOUT_FPS_SAMPLES]; /**< FPS samples dates */
494 /** \name Video heap and translation tables */
496 int i_heap_size; /**< heap size */
497 picture_heap_t render; /**< rendered pictures */
498 picture_heap_t output; /**< direct buffers */
499 bool b_direct; /**< rendered are like direct ? */
500 filter_t *p_chroma; /**< translation tables */
502 video_format_t fmt_render; /* render format (from the decoder) */
503 video_format_t fmt_in; /* input (modified render) format */
504 video_format_t fmt_out; /* output format (for the video output) */
508 picture_t p_picture[2*VOUT_MAX_PICTURES+1]; /**< pictures */
510 /* Subpicture unit */
515 count_t c_pictures, c_late_pictures;
516 mtime_t display_jitter; /**< average deviation from the PTS */
517 count_t c_jitter_samples; /**< number of samples used
518 for the calculation of the
520 /** delay created by internal caching */
524 char *psz_filter_chain;
525 bool b_filter_change;
527 /* Video filter2 chain */
528 filter_chain_t *p_vf2_chain;
532 bool b_snapshot; /**< take one snapshot on the next loop */
534 /* Video output configuration */
535 config_chain_t *p_cfg;
537 /* Show media title on videoutput */
539 mtime_t i_title_timeout;
540 int i_title_position;
543 #define I_OUTPUTPICTURES p_vout->output.i_pictures
544 #define PP_OUTPUTPICTURE p_vout->output.pp_picture
545 #define I_RENDERPICTURES p_vout->render.i_pictures
546 #define PP_RENDERPICTURE p_vout->render.pp_picture
548 /** \defgroup vout_changes Flags for changes
549 * These flags are set in the vout_thread_t::i_changes field when another
550 * thread changed a variable
553 /** b_info changed */
554 #define VOUT_INFO_CHANGE 0x0001
555 /** b_grayscale changed */
556 #define VOUT_GRAYSCALE_CHANGE 0x0002
557 /** b_interface changed */
558 #define VOUT_INTF_CHANGE 0x0004
559 /** b_scale changed */
560 #define VOUT_SCALE_CHANGE 0x0008
562 #define VOUT_GAMMA_CHANGE 0x0010
563 /** b_cursor changed */
564 #define VOUT_CURSOR_CHANGE 0x0020
565 /** b_fullscreen changed */
566 #define VOUT_FULLSCREEN_CHANGE 0x0040
568 #define VOUT_SIZE_CHANGE 0x0200
570 #define VOUT_DEPTH_CHANGE 0x0400
571 /** change chroma tables */
572 #define VOUT_CHROMA_CHANGE 0x0800
573 /** cropping parameters changed */
574 #define VOUT_CROP_CHANGE 0x1000
575 /** aspect ratio changed */
576 #define VOUT_ASPECT_CHANGE 0x2000
577 /** change/recreate picture buffers */
578 #define VOUT_PICTURE_BUFFERS_CHANGE 0x4000
581 /* Alignment flags */
582 #define VOUT_ALIGN_LEFT 0x0001
583 #define VOUT_ALIGN_RIGHT 0x0002
584 #define VOUT_ALIGN_HMASK 0x0003
585 #define VOUT_ALIGN_TOP 0x0004
586 #define VOUT_ALIGN_BOTTOM 0x0008
587 #define VOUT_ALIGN_VMASK 0x000C
589 #define MAX_JITTER_SAMPLES 20
591 /*****************************************************************************
593 *****************************************************************************/
597 * - returns a suitable vout (if requested by a non NULL p_fmt)
598 * - recycles an old vout (if given) by either destroying it or by saving it
601 * The purpose of this function is to avoid unnecessary creation/destruction of
602 * vout (and to allow optional vout reusing).
604 * You can call vout_Request on a vout created by vout_Create or by a previous
605 * call to vout_Request.
606 * You can release the returned value either by vout_Request or vout_Close()
607 * followed by a vlc_object_release() or shorter vout_CloseAndRelease()
609 * \param p_this a vlc object
610 * \param p_vout a vout candidate
611 * \param p_fmt the video format requested or NULL
612 * \return a vout if p_fmt is non NULL and the request is successfull, NULL
615 #define vout_Request(a,b,c) __vout_Request(VLC_OBJECT(a),b,c)
616 VLC_EXPORT( vout_thread_t *, __vout_Request, ( vlc_object_t *p_this, vout_thread_t *p_vout, video_format_t *p_fmt ) );
619 * This function will create a suitable vout for a given p_fmt. It will never
620 * reuse an already existing unused vout.
622 * You have to call either vout_Close or vout_Request on the returned value
623 * \param p_this a vlc object to which the returned vout will be attached
624 * \param p_fmt the video format requested
625 * \return a vout if the request is successfull, NULL otherwise
627 #define vout_Create(a,b) __vout_Create(VLC_OBJECT(a),b)
628 VLC_EXPORT( vout_thread_t *, __vout_Create, ( vlc_object_t *p_this, video_format_t *p_fmt ) );
631 * This function will close a vout created by vout_Create or vout_Request.
632 * The associated vout module is closed.
633 * Note: It is not released yet, you'll have to call vlc_object_release()
634 * or use the convenient vout_CloseAndRelease().
636 * \param p_vout the vout to close
638 VLC_EXPORT( void, vout_Close, ( vout_thread_t *p_vout ) );
641 * This function will close a vout created by vout_Create
642 * and then release it.
644 * \param p_vout the vout to close and release
646 static inline void vout_CloseAndRelease( vout_thread_t *p_vout )
648 vout_Close( p_vout );
649 vlc_object_release( p_vout );
653 VLC_EXPORT( int, vout_ChromaCmp, ( uint32_t, uint32_t ) );
655 VLC_EXPORT( picture_t *, vout_CreatePicture, ( vout_thread_t *, bool, bool, unsigned int ) );
656 VLC_EXPORT( void, vout_InitFormat, ( video_frame_format_t *, uint32_t, int, int, int ) );
657 VLC_EXPORT( void, vout_DestroyPicture, ( vout_thread_t *, picture_t * ) );
658 VLC_EXPORT( void, vout_DisplayPicture, ( vout_thread_t *, picture_t * ) );
659 VLC_EXPORT( void, vout_DatePicture, ( vout_thread_t *, picture_t *, mtime_t ) );
660 VLC_EXPORT( void, vout_LinkPicture, ( vout_thread_t *, picture_t * ) );
661 VLC_EXPORT( void, vout_UnlinkPicture, ( vout_thread_t *, picture_t * ) );
662 VLC_EXPORT( void, vout_PlacePicture, ( vout_thread_t *, unsigned int, unsigned int, unsigned int *, unsigned int *, unsigned int *, unsigned int * ) );
664 /* DO NOT use vout_RenderPicture unless you are in src/video_ouput */
665 picture_t * vout_RenderPicture ( vout_thread_t *, picture_t *,
668 /* DO NOT use vout_CountPictureAvailable unless your are in src/input/dec.c (no exception) */
669 int vout_CountPictureAvailable( vout_thread_t * );
671 VLC_EXPORT( int, vout_vaControlDefault, ( vout_thread_t *, int, va_list ) );
672 VLC_EXPORT( void *, vout_RequestWindow, ( vout_thread_t *, int *, int *, unsigned int *, unsigned int * ) );
673 VLC_EXPORT( void, vout_ReleaseWindow, ( vout_thread_t *, void * ) );
674 VLC_EXPORT( int, vout_ControlWindow, ( vout_thread_t *, void *, int, va_list ) );
675 void vout_IntfInit( vout_thread_t * );
676 VLC_EXPORT( int, vout_Snapshot, ( vout_thread_t *p_vout, picture_t *p_pic ) );
677 VLC_EXPORT( void, vout_EnableFilter, ( vout_thread_t *, char *,bool , bool ) );
680 static inline int vout_vaControl( vout_thread_t *p_vout, int i_query,
683 if( p_vout->pf_control )
684 return p_vout->pf_control( p_vout, i_query, args );
689 static inline int vout_Control( vout_thread_t *p_vout, int i_query, ... )
694 va_start( args, i_query );
695 i_result = vout_vaControl( p_vout, i_query, args );
702 VOUT_GET_SIZE, /* arg1= unsigned int*, arg2= unsigned int*, res= */
703 VOUT_SET_SIZE, /* arg1= unsigned int, arg2= unsigned int, res= */
704 VOUT_SET_STAY_ON_TOP, /* arg1= bool res= */
708 VOUT_SET_FOCUS, /* arg1= bool res= */
709 VOUT_SET_VIEWPORT, /* arg1= view rect, arg2=clip rect, res= */
710 VOUT_REDRAW_RECT, /* arg1= area rect, res= */
713 typedef struct snapshot_t {
714 char *p_data; /* Data area */
716 int i_width; /* In pixels */
717 int i_height; /* In pixels */
718 int i_datasize; /* In bytes */
719 mtime_t date; /* Presentation time */
724 #endif /* _VLC_VIDEO_H */