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.
170 * You can safely copy between pictures that do not have the same size,
171 * only the compatible(smaller) part will be copied.
173 VLC_EXPORT( void, picture_CopyPixels, ( picture_t *p_dst, const picture_t *p_src ) );
176 * This function will copy both picture dynamic properties and pixels.
177 * You have to notice that sometime a simple picture_Yield may do what
178 * you want without the copy overhead.
179 * Provided for convenience.
181 static inline void picture_Copy( picture_t *p_dst, const picture_t *p_src )
183 picture_CopyPixels( p_dst, p_src );
184 picture_CopyProperties( p_dst, p_src );
188 * Video picture heap, either render (to store pictures used
189 * by the decoder) or output (to store pictures displayed by the vout plugin)
191 struct picture_heap_t
193 int i_pictures; /**< current heap size */
195 /* \name Picture static properties
196 * Those properties are fixed at initialization and should NOT be modified
199 unsigned int i_width; /**< picture width */
200 unsigned int i_height; /**< picture height */
201 vlc_fourcc_t i_chroma; /**< picture chroma */
202 unsigned int i_aspect; /**< aspect ratio */
206 picture_t* pp_picture[VOUT_MAX_PICTURES]; /**< pictures */
207 int i_last_used_pic; /**< last used pic in heap */
208 bool b_allow_modify_pics;
210 /* Stuff used for truecolor RGB planes */
211 uint32_t i_rmask; int i_rrshift, i_lrshift;
212 uint32_t i_gmask; int i_rgshift, i_lgshift;
213 uint32_t i_bmask; int i_rbshift, i_lbshift;
215 /** Stuff used for palettized RGB planes */
216 void (* pf_setpalette) ( vout_thread_t *, uint16_t *, uint16_t *, uint16_t * );
219 /*****************************************************************************
220 * Flags used to describe the status of a picture
221 *****************************************************************************/
224 #define EMPTY_PICTURE 0 /* empty buffer */
225 #define MEMORY_PICTURE 100 /* heap-allocated buffer */
226 #define DIRECT_PICTURE 200 /* direct buffer */
229 #define FREE_PICTURE 0 /* free and not allocated */
230 #define RESERVED_PICTURE 1 /* allocated and reserved */
231 #define RESERVED_DATED_PICTURE 2 /* waiting for DisplayPicture */
232 #define RESERVED_DISP_PICTURE 3 /* waiting for a DatePicture */
233 #define READY_PICTURE 4 /* ready for display */
234 #define DISPLAYED_PICTURE 5 /* been displayed but is linked */
235 #define DESTROYED_PICTURE 6 /* allocated but no more used */
237 /*****************************************************************************
238 * Shortcuts to access image components
239 *****************************************************************************/
248 #define Y_PIXELS p[Y_PLANE].p_pixels
249 #define Y_PITCH p[Y_PLANE].i_pitch
250 #define U_PIXELS p[U_PLANE].p_pixels
251 #define U_PITCH p[U_PLANE].i_pitch
252 #define V_PIXELS p[V_PLANE].p_pixels
253 #define V_PITCH p[V_PLANE].i_pitch
254 #define A_PIXELS p[A_PLANE].p_pixels
255 #define A_PITCH p[A_PLANE].i_pitch
258 * \defgroup subpicture Video Subpictures
259 * Subpictures are pictures that should be displayed on top of the video, like
261 * \ingroup video_output
266 * Video subtitle region
268 * A subtitle region is defined by a picture (graphic) and its rendering
270 * Subtitles contain a list of regions.
272 struct subpicture_region_t
274 video_format_t fmt; /**< format of the picture */
275 picture_t picture; /**< picture comprising this region */
277 int i_x; /**< position of region */
278 int i_y; /**< position of region */
279 int i_align; /**< alignment within a region */
280 int i_alpha; /**< transparency */
282 char *psz_text; /**< text string comprising this region */
283 char *psz_html; /**< HTML version of subtitle (NULL = use psz_text) */
284 text_style_t *p_style; /**< a description of the text style formatting */
286 subpicture_region_t *p_next; /**< next region in the list */
287 subpicture_region_t *p_cache; /**< modified version of this region */
293 * Any subtitle destined to be displayed by a video output thread should
294 * be stored in this structure from it's creation to it's effective display.
295 * Subtitle type and flags should only be modified by the output thread. Note
296 * that an empty subtitle MUST have its flags set to 0.
300 /** \name Channel ID */
302 int i_channel; /**< subpicture channel ID */
305 /** \name Type and flags
306 Should NOT be modified except by the vout thread */
308 int i_type; /**< type */
309 int i_status; /**< flags */
310 subpicture_t * p_next; /**< next subtitle to be displayed */
313 /** \name Date properties */
315 mtime_t i_start; /**< beginning of display date */
316 mtime_t i_stop; /**< end of display date */
317 bool b_ephemer; /**< If this flag is set to true the subtitle
318 will be displayed untill the next one appear */
319 bool b_fade; /**< enable fading */
320 bool b_pausable; /**< subpicture will be paused if
324 subpicture_region_t *p_region; /**< region list composing this subtitle */
326 /** \name Display properties
327 * These properties are only indicative and may be
328 * changed by the video output thread, or simply ignored depending of the
331 int i_x; /**< offset from alignment position */
332 int i_y; /**< offset from alignment position */
333 int i_width; /**< picture width */
334 int i_height; /**< picture height */
335 int i_alpha; /**< transparency */
336 int i_original_picture_width; /**< original width of the movie */
337 int i_original_picture_height;/**< original height of the movie */
338 bool b_absolute; /**< position is absolute */
339 int i_flags; /**< position flags */
342 /** Pointer to function that renders this subtitle in a picture */
343 void ( *pf_render ) ( vout_thread_t *, picture_t *, const subpicture_t * );
344 /** Pointer to function that cleans up the private data of this subtitle */
345 void ( *pf_destroy ) ( subpicture_t * );
347 /** Pointer to functions for region management */
348 subpicture_region_t * ( *pf_create_region ) ( vlc_object_t *,
350 subpicture_region_t * ( *pf_make_region ) ( vlc_object_t *,
351 video_format_t *, picture_t * );
352 void ( *pf_destroy_region ) ( vlc_object_t *, subpicture_region_t * );
354 void ( *pf_pre_render ) ( video_format_t *, spu_t *, subpicture_t * );
355 void ( *pf_update_regions ) ( video_format_t *, spu_t *,
356 subpicture_t *, mtime_t );
358 /** Private data - the subtitle plugin might want to put stuff here to
359 * keep track of the subpicture */
360 subpicture_sys_t *p_sys; /* subpicture data */
363 /* Subpicture type */
364 #define EMPTY_SUBPICTURE 0 /* subtitle slot is empty and available */
365 #define MEMORY_SUBPICTURE 100 /* subpicture stored in memory */
367 /* Default subpicture channel ID */
368 #define DEFAULT_CHAN 1
370 /* Subpicture status */
371 #define FREE_SUBPICTURE 0 /* free and not allocated */
372 #define RESERVED_SUBPICTURE 1 /* allocated and reserved */
373 #define READY_SUBPICTURE 2 /* ready for display */
375 /* Subpicture position flags */
376 #define SUBPICTURE_ALIGN_LEFT 0x1
377 #define SUBPICTURE_ALIGN_RIGHT 0x2
378 #define SUBPICTURE_ALIGN_TOP 0x4
379 #define SUBPICTURE_ALIGN_BOTTOM 0x8
380 #define SUBPICTURE_ALIGN_MASK ( SUBPICTURE_ALIGN_LEFT|SUBPICTURE_ALIGN_RIGHT| \
381 SUBPICTURE_ALIGN_TOP |SUBPICTURE_ALIGN_BOTTOM )
383 /* Subpicture rendered flag - should only be used by vout_subpictures */
384 #define SUBPICTURE_RENDERED 0x10
386 /*****************************************************************************
388 *****************************************************************************/
391 * Copy the source picture onto the destination picture.
392 * \param p_this a vlc object
393 * \param p_dst pointer to the destination picture.
394 * \param p_src pointer to the source picture.
396 #define vout_CopyPicture(a,b,c) __vout_CopyPicture(VLC_OBJECT(a),b,c)
397 VLC_EXPORT( void, __vout_CopyPicture, ( vlc_object_t *p_this, picture_t *p_dst, picture_t *p_src ) );
400 * Initialise different fields of a picture_t (but does not allocate memory).
401 * \param p_this a vlc object
402 * \param p_pic pointer to the picture structure.
403 * \param i_chroma the wanted chroma for the picture.
404 * \param i_width the wanted width for the picture.
405 * \param i_height the wanted height for the picture.
406 * \param i_aspect the wanted aspect ratio for the picture.
408 #define vout_InitPicture(a,b,c,d,e,f) \
409 __vout_InitPicture(VLC_OBJECT(a),b,c,d,e,f)
410 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 ) );
413 * Initialise different fields of a picture_t and allocates the picture buffer.
414 * \param p_this a vlc object
415 * \param p_pic pointer to the picture structure.
416 * \param i_chroma the wanted chroma for the picture.
417 * \param i_width the wanted width for the picture.
418 * \param i_height the wanted height for the picture.
419 * \param i_aspect the wanted aspect ratio for the picture.
421 #define vout_AllocatePicture(a,b,c,d,e,f) \
422 __vout_AllocatePicture(VLC_OBJECT(a),b,c,d,e,f)
423 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 ) );
427 * \defgroup video_output Video Output
428 * This module describes the programming interface for video output threads.
429 * It includes functions allowing to open a new thread, send pictures to a
430 * thread, and destroy a previously opened video output thread.
435 * Video output thread descriptor
437 * Any independent video output device, such as an X11 window or a GGI device,
438 * is represented by a video output thread, and described using the following
445 /** \name Thread properties and locks */
447 vlc_mutex_t picture_lock; /**< picture heap lock */
448 vlc_mutex_t subpicture_lock; /**< subpicture heap lock */
449 vlc_mutex_t change_lock; /**< thread change lock */
450 vlc_mutex_t vfilter_lock; /**< video filter2 change lock */
451 vout_sys_t * p_sys; /**< system output method */
454 /** \name Current display properties */
456 uint16_t i_changes; /**< changes made to the thread.
457 \see \ref vout_changes */
458 float f_gamma; /**< gamma */
459 bool b_grayscale; /**< color or grayscale display */
460 bool b_info; /**< print additional information */
461 bool b_interface; /**< render interface */
462 bool b_scale; /**< allow picture scaling */
463 bool b_fullscreen; /**< toogle fullscreen display */
464 uint32_t render_time; /**< last picture render time */
465 unsigned int i_window_width; /**< video window width */
466 unsigned int i_window_height; /**< video window height */
467 unsigned int i_alignment; /**< video alignment in window */
468 unsigned int i_par_num; /**< monitor pixel aspect-ratio */
469 unsigned int i_par_den; /**< monitor pixel aspect-ratio */
471 struct vout_window_t *p_window; /**< window for embedded vout (if any) */
474 /** \name Plugin used and shortcuts to access its capabilities */
477 int ( *pf_init ) ( vout_thread_t * );
478 void ( *pf_end ) ( vout_thread_t * );
479 int ( *pf_manage ) ( vout_thread_t * );
480 void ( *pf_render ) ( vout_thread_t *, picture_t * );
481 void ( *pf_display ) ( vout_thread_t *, picture_t * );
482 void ( *pf_swap ) ( vout_thread_t * ); /* OpenGL only */
483 int ( *pf_lock ) ( vout_thread_t * ); /* OpenGL only */
484 void ( *pf_unlock ) ( vout_thread_t * ); /* OpenGL only */
485 int ( *pf_control ) ( vout_thread_t *, int, va_list );
489 * These numbers are not supposed to be accurate, but are a
490 * good indication of the thread status */
492 count_t c_fps_samples; /**< picture counts */
493 mtime_t p_fps_sample[VOUT_FPS_SAMPLES]; /**< FPS samples dates */
496 /** \name Video heap and translation tables */
498 int i_heap_size; /**< heap size */
499 picture_heap_t render; /**< rendered pictures */
500 picture_heap_t output; /**< direct buffers */
501 bool b_direct; /**< rendered are like direct ? */
502 filter_t *p_chroma; /**< translation tables */
504 video_format_t fmt_render; /* render format (from the decoder) */
505 video_format_t fmt_in; /* input (modified render) format */
506 video_format_t fmt_out; /* output format (for the video output) */
510 picture_t p_picture[2*VOUT_MAX_PICTURES+1]; /**< pictures */
512 /* Subpicture unit */
517 count_t c_pictures, c_late_pictures;
518 mtime_t display_jitter; /**< average deviation from the PTS */
519 count_t c_jitter_samples; /**< number of samples used
520 for the calculation of the
522 /** delay created by internal caching */
526 char *psz_filter_chain;
527 bool b_filter_change;
529 /* Video filter2 chain */
530 filter_chain_t *p_vf2_chain;
534 bool b_snapshot; /**< take one snapshot on the next loop */
536 /* Video output configuration */
537 config_chain_t *p_cfg;
539 /* Show media title on videoutput */
541 mtime_t i_title_timeout;
542 int i_title_position;
545 #define I_OUTPUTPICTURES p_vout->output.i_pictures
546 #define PP_OUTPUTPICTURE p_vout->output.pp_picture
547 #define I_RENDERPICTURES p_vout->render.i_pictures
548 #define PP_RENDERPICTURE p_vout->render.pp_picture
550 /** \defgroup vout_changes Flags for changes
551 * These flags are set in the vout_thread_t::i_changes field when another
552 * thread changed a variable
555 /** b_info changed */
556 #define VOUT_INFO_CHANGE 0x0001
557 /** b_grayscale changed */
558 #define VOUT_GRAYSCALE_CHANGE 0x0002
559 /** b_interface changed */
560 #define VOUT_INTF_CHANGE 0x0004
561 /** b_scale changed */
562 #define VOUT_SCALE_CHANGE 0x0008
564 #define VOUT_GAMMA_CHANGE 0x0010
565 /** b_cursor changed */
566 #define VOUT_CURSOR_CHANGE 0x0020
567 /** b_fullscreen changed */
568 #define VOUT_FULLSCREEN_CHANGE 0x0040
570 #define VOUT_SIZE_CHANGE 0x0200
572 #define VOUT_DEPTH_CHANGE 0x0400
573 /** change chroma tables */
574 #define VOUT_CHROMA_CHANGE 0x0800
575 /** cropping parameters changed */
576 #define VOUT_CROP_CHANGE 0x1000
577 /** aspect ratio changed */
578 #define VOUT_ASPECT_CHANGE 0x2000
579 /** change/recreate picture buffers */
580 #define VOUT_PICTURE_BUFFERS_CHANGE 0x4000
583 /* Alignment flags */
584 #define VOUT_ALIGN_LEFT 0x0001
585 #define VOUT_ALIGN_RIGHT 0x0002
586 #define VOUT_ALIGN_HMASK 0x0003
587 #define VOUT_ALIGN_TOP 0x0004
588 #define VOUT_ALIGN_BOTTOM 0x0008
589 #define VOUT_ALIGN_VMASK 0x000C
591 #define MAX_JITTER_SAMPLES 20
593 /*****************************************************************************
595 *****************************************************************************/
599 * - returns a suitable vout (if requested by a non NULL p_fmt)
600 * - recycles an old vout (if given) by either destroying it or by saving it
603 * The purpose of this function is to avoid unnecessary creation/destruction of
604 * vout (and to allow optional vout reusing).
606 * You can call vout_Request on a vout created by vout_Create or by a previous
607 * call to vout_Request.
608 * You can release the returned value either by vout_Request or vout_Close()
609 * followed by a vlc_object_release() or shorter vout_CloseAndRelease()
611 * \param p_this a vlc object
612 * \param p_vout a vout candidate
613 * \param p_fmt the video format requested or NULL
614 * \return a vout if p_fmt is non NULL and the request is successfull, NULL
617 #define vout_Request(a,b,c) __vout_Request(VLC_OBJECT(a),b,c)
618 VLC_EXPORT( vout_thread_t *, __vout_Request, ( vlc_object_t *p_this, vout_thread_t *p_vout, video_format_t *p_fmt ) );
621 * This function will create a suitable vout for a given p_fmt. It will never
622 * reuse an already existing unused vout.
624 * You have to call either vout_Close or vout_Request on the returned value
625 * \param p_this a vlc object to which the returned vout will be attached
626 * \param p_fmt the video format requested
627 * \return a vout if the request is successfull, NULL otherwise
629 #define vout_Create(a,b) __vout_Create(VLC_OBJECT(a),b)
630 VLC_EXPORT( vout_thread_t *, __vout_Create, ( vlc_object_t *p_this, video_format_t *p_fmt ) );
633 * This function will close a vout created by vout_Create or vout_Request.
634 * The associated vout module is closed.
635 * Note: It is not released yet, you'll have to call vlc_object_release()
636 * or use the convenient vout_CloseAndRelease().
638 * \param p_vout the vout to close
640 VLC_EXPORT( void, vout_Close, ( vout_thread_t *p_vout ) );
643 * This function will close a vout created by vout_Create
644 * and then release it.
646 * \param p_vout the vout to close and release
648 static inline void vout_CloseAndRelease( vout_thread_t *p_vout )
650 vout_Close( p_vout );
651 vlc_object_release( p_vout );
655 VLC_EXPORT( int, vout_ChromaCmp, ( uint32_t, uint32_t ) );
657 VLC_EXPORT( picture_t *, vout_CreatePicture, ( vout_thread_t *, bool, bool, unsigned int ) );
658 VLC_EXPORT( void, vout_InitFormat, ( video_frame_format_t *, uint32_t, int, int, int ) );
659 VLC_EXPORT( void, vout_DestroyPicture, ( vout_thread_t *, picture_t * ) );
660 VLC_EXPORT( void, vout_DisplayPicture, ( vout_thread_t *, picture_t * ) );
661 VLC_EXPORT( void, vout_DatePicture, ( vout_thread_t *, picture_t *, mtime_t ) );
662 VLC_EXPORT( void, vout_LinkPicture, ( vout_thread_t *, picture_t * ) );
663 VLC_EXPORT( void, vout_UnlinkPicture, ( vout_thread_t *, picture_t * ) );
664 VLC_EXPORT( void, vout_PlacePicture, ( vout_thread_t *, unsigned int, unsigned int, unsigned int *, unsigned int *, unsigned int *, unsigned int * ) );
666 /* DO NOT use vout_RenderPicture unless you are in src/video_ouput */
667 picture_t * vout_RenderPicture ( vout_thread_t *, picture_t *,
670 /* DO NOT use vout_CountPictureAvailable unless your are in src/input/dec.c (no exception) */
671 int vout_CountPictureAvailable( vout_thread_t * );
673 VLC_EXPORT( int, vout_vaControlDefault, ( vout_thread_t *, int, va_list ) );
674 VLC_EXPORT( void *, vout_RequestWindow, ( vout_thread_t *, int *, int *, unsigned int *, unsigned int * ) );
675 VLC_EXPORT( void, vout_ReleaseWindow, ( vout_thread_t *, void * ) );
676 VLC_EXPORT( int, vout_ControlWindow, ( vout_thread_t *, void *, int, va_list ) );
677 void vout_IntfInit( vout_thread_t * );
678 VLC_EXPORT( int, vout_Snapshot, ( vout_thread_t *p_vout, picture_t *p_pic ) );
679 VLC_EXPORT( void, vout_EnableFilter, ( vout_thread_t *, char *,bool , bool ) );
682 static inline int vout_vaControl( vout_thread_t *p_vout, int i_query,
685 if( p_vout->pf_control )
686 return p_vout->pf_control( p_vout, i_query, args );
691 static inline int vout_Control( vout_thread_t *p_vout, int i_query, ... )
696 va_start( args, i_query );
697 i_result = vout_vaControl( p_vout, i_query, args );
704 VOUT_GET_SIZE, /* arg1= unsigned int*, arg2= unsigned int*, res= */
705 VOUT_SET_SIZE, /* arg1= unsigned int, arg2= unsigned int, res= */
706 VOUT_SET_STAY_ON_TOP, /* arg1= bool res= */
710 VOUT_SET_FOCUS, /* arg1= bool res= */
711 VOUT_SET_VIEWPORT, /* arg1= view rect, arg2=clip rect, res= */
712 VOUT_REDRAW_RECT, /* arg1= area rect, res= */
715 typedef struct snapshot_t {
716 char *p_data; /* Data area */
718 int i_width; /* In pixels */
719 int i_height; /* In pixels */
720 int i_datasize; /* In bytes */
721 mtime_t date; /* Presentation time */
726 #endif /* _VLC_VIDEO_H */