vlc_vout.h
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上传日期:2020-07-06
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midi
开发平台:
Unix_Linux
- /*****************************************************************************
- * vlc_video.h: common video definitions
- *****************************************************************************
- * Copyright (C) 1999 - 2008 the VideoLAN team
- * $Id: 36b4b11de28c1f47e8d1572b75c0963321d0aa8c $
- *
- * Authors: Vincent Seguin <seguin@via.ecp.fr>
- * Samuel Hocevar <sam@via.ecp.fr>
- * Olivier Aubert <oaubert 47 videolan d07 org>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
- *****************************************************************************/
- #ifndef VLC_VOUT_H_
- #define VLC_VOUT_H_ 1
- /**
- * file
- * This file defines common video output structures and functions in vlc
- */
- #include <vlc_es.h>
- #include <vlc_filter.h>
- /** Description of a planar graphic field */
- typedef struct plane_t
- {
- uint8_t *p_pixels; /**< Start of the plane's data */
- /* Variables used for fast memcpy operations */
- int i_lines; /**< Number of lines, including margins */
- int i_pitch; /**< Number of bytes in a line, including margins */
- /** Size of a macropixel, defaults to 1 */
- int i_pixel_pitch;
- /* Variables used for pictures with margins */
- int i_visible_lines; /**< How many visible lines are there ? */
- int i_visible_pitch; /**< How many visible pixels are there ? */
- } plane_t;
- /**
- * Video picture
- *
- * Any picture destined to be displayed by a video output thread should be
- * stored in this structure from it's creation to it's effective display.
- * Picture type and flags should only be modified by the output thread. Note
- * that an empty picture MUST have its flags set to 0.
- */
- struct picture_t
- {
- /**
- * The properties of the picture
- */
- video_frame_format_t format;
- /** Picture data - data can always be freely modified, but p_data may
- * NEVER be modified. A direct buffer can be handled as the plugin
- * wishes, it can even swap p_pixels buffers. */
- uint8_t *p_data;
- void *p_data_orig; /**< pointer before memalign */
- plane_t p[ VOUT_MAX_PLANES ]; /**< description of the planes */
- int i_planes; /**< number of allocated planes */
- /** name Type and flags
- * Should NOT be modified except by the vout thread
- * @{*/
- int i_status; /**< picture flags */
- int i_type; /**< is picture a direct buffer ? */
- bool b_slow; /**< is picture in slow memory ? */
- /**@}*/
- /** name Picture management properties
- * These properties can be modified using the video output thread API,
- * but should never be written directly */
- /**@{*/
- unsigned i_refcount; /**< link reference counter */
- mtime_t date; /**< display date */
- bool b_force;
- /**@}*/
- /** name Picture dynamic properties
- * Those properties can be changed by the decoder
- * @{
- */
- bool b_progressive; /**< is it a progressive frame ? */
- unsigned int i_nb_fields; /**< # of displayed fields */
- bool b_top_field_first; /**< which field is first */
- uint8_t *p_q; /**< quantification table */
- int i_qstride; /**< quantification stride */
- int i_qtype; /**< quantification style */
- /**@}*/
- /** The picture heap we are attached to */
- picture_heap_t* p_heap;
- /* Some vouts require the picture to be locked before it can be modified */
- int (* pf_lock) ( vout_thread_t *, picture_t * );
- int (* pf_unlock) ( vout_thread_t *, picture_t * );
- /** Private data - the video output plugin might want to put stuff here to
- * keep track of the picture */
- picture_sys_t * p_sys;
- /** This way the picture_Release can be overloaded */
- void (*pf_release)( picture_t * );
- /** Next picture in a FIFO a pictures */
- struct picture_t *p_next;
- };
- /**
- * This function will create a new picture.
- * The picture created will implement a default release management compatible
- * with picture_Hold and picture_Release. This default management will release
- * picture_sys_t *p_sys field if non NULL.
- */
- VLC_EXPORT( picture_t *, picture_New, ( vlc_fourcc_t i_chroma, int i_width, int i_height, int i_aspect ) );
- /**
- * This function will force the destruction a picture.
- * The value of the picture reference count should be 0 before entering this
- * function.
- * Unless used for reimplementing pf_release, you should not use this
- * function but picture_Release.
- */
- VLC_EXPORT( void, picture_Delete, ( picture_t * ) );
- /**
- * This function will increase the picture reference count.
- * It will not have any effect on picture obtained from vout
- */
- static inline void picture_Hold( picture_t *p_picture )
- {
- if( p_picture->pf_release )
- p_picture->i_refcount++;
- }
- /**
- * This function will release a picture.
- * It will not have any effect on picture obtained from vout
- */
- static inline void picture_Release( picture_t *p_picture )
- {
- /* FIXME why do we let pf_release handle the i_refcount ? */
- if( p_picture->pf_release )
- p_picture->pf_release( p_picture );
- }
- /**
- * Cleanup quantization matrix data and set to 0
- */
- static inline void picture_CleanupQuant( picture_t *p_pic )
- {
- free( p_pic->p_q );
- p_pic->p_q = NULL;
- p_pic->i_qstride = 0;
- p_pic->i_qtype = 0;
- }
- /**
- * This function will copy all picture dynamic properties.
- */
- static inline void picture_CopyProperties( picture_t *p_dst, const picture_t *p_src )
- {
- p_dst->date = p_src->date;
- p_dst->b_force = p_src->b_force;
- p_dst->b_progressive = p_src->b_progressive;
- p_dst->i_nb_fields = p_src->i_nb_fields;
- p_dst->b_top_field_first = p_src->b_top_field_first;
- /* FIXME: copy ->p_q and ->p_qstride */
- }
- /**
- * This function will copy the picture pixels.
- * You can safely copy between pictures that do not have the same size,
- * only the compatible(smaller) part will be copied.
- */
- VLC_EXPORT( void, picture_CopyPixels, ( picture_t *p_dst, const picture_t *p_src ) );
- VLC_EXPORT( void, plane_CopyPixels, ( plane_t *p_dst, const plane_t *p_src ) );
- /**
- * This function will copy both picture dynamic properties and pixels.
- * You have to notice that sometime a simple picture_Hold may do what
- * you want without the copy overhead.
- * Provided for convenience.
- *
- * param p_dst pointer to the destination picture.
- * param p_src pointer to the source picture.
- */
- static inline void picture_Copy( picture_t *p_dst, const picture_t *p_src )
- {
- picture_CopyPixels( p_dst, p_src );
- picture_CopyProperties( p_dst, p_src );
- }
- /**
- * This function will export a picture to an encoded bitstream.
- *
- * pp_image will contain the encoded bitstream in psz_format format.
- *
- * p_fmt can be NULL otherwise it will be set with the format used for the
- * picture before encoding.
- *
- * i_override_width/height allow to override the width and/or the height of the
- * picture to be encoded. If at most one of them is > 0 then the picture aspect
- * ratio will be kept.
- */
- VLC_EXPORT( int, picture_Export, ( vlc_object_t *p_obj, block_t **pp_image, video_format_t *p_fmt, picture_t *p_picture, vlc_fourcc_t i_format, int i_override_width, int i_override_height ) );
- /**
- * Video picture heap, either render (to store pictures used
- * by the decoder) or output (to store pictures displayed by the vout plugin)
- */
- struct picture_heap_t
- {
- int i_pictures; /**< current heap size */
- /* name Picture static properties
- * Those properties are fixed at initialization and should NOT be modified
- * @{
- */
- unsigned int i_width; /**< picture width */
- unsigned int i_height; /**< picture height */
- vlc_fourcc_t i_chroma; /**< picture chroma */
- unsigned int i_aspect; /**< aspect ratio */
- /**@}*/
- /* Real pictures */
- picture_t* pp_picture[VOUT_MAX_PICTURES]; /**< pictures */
- int i_last_used_pic; /**< last used pic in heap */
- bool b_allow_modify_pics;
- /* Stuff used for truecolor RGB planes */
- uint32_t i_rmask; int i_rrshift, i_lrshift;
- uint32_t i_gmask; int i_rgshift, i_lgshift;
- uint32_t i_bmask; int i_rbshift, i_lbshift;
- /** Stuff used for palettized RGB planes */
- void (* pf_setpalette) ( vout_thread_t *, uint16_t *, uint16_t *, uint16_t * );
- };
- /*****************************************************************************
- * Flags used to describe the status of a picture
- *****************************************************************************/
- /* Picture type
- * FIXME are the values meaningfull ? */
- enum
- {
- EMPTY_PICTURE = 0, /* empty buffer */
- MEMORY_PICTURE = 100, /* heap-allocated buffer */
- DIRECT_PICTURE = 200, /* direct buffer */
- };
- /* Picture status */
- enum
- {
- FREE_PICTURE, /* free and not allocated */
- RESERVED_PICTURE, /* allocated and reserved */
- READY_PICTURE, /* ready for display */
- DISPLAYED_PICTURE, /* been displayed but is linked */
- DESTROYED_PICTURE, /* allocated but no more used */
- };
- /* Quantification type */
- enum
- {
- QTYPE_NONE,
- QTYPE_MPEG1,
- QTYPE_MPEG2,
- QTYPE_H264,
- };
- /*****************************************************************************
- * Shortcuts to access image components
- *****************************************************************************/
- /* Plane indices */
- enum
- {
- Y_PLANE = 0,
- U_PLANE = 1,
- V_PLANE = 2,
- A_PLANE = 3,
- };
- /* Shortcuts */
- #define Y_PIXELS p[Y_PLANE].p_pixels
- #define Y_PITCH p[Y_PLANE].i_pitch
- #define U_PIXELS p[U_PLANE].p_pixels
- #define U_PITCH p[U_PLANE].i_pitch
- #define V_PIXELS p[V_PLANE].p_pixels
- #define V_PITCH p[V_PLANE].i_pitch
- #define A_PIXELS p[A_PLANE].p_pixels
- #define A_PITCH p[A_PLANE].i_pitch
- /**
- * defgroup subpicture Video Subpictures
- * Subpictures are pictures that should be displayed on top of the video, like
- * subtitles and OSD
- * ingroup video_output
- * @{
- */
- /**
- * Video subtitle region spu core private
- */
- typedef struct subpicture_region_private_t subpicture_region_private_t;
- /**
- * Video subtitle region
- *
- * A subtitle region is defined by a picture (graphic) and its rendering
- * coordinates.
- * Subtitles contain a list of regions.
- */
- struct subpicture_region_t
- {
- video_format_t fmt; /**< format of the picture */
- picture_t *p_picture; /**< picture comprising this region */
- int i_x; /**< position of region */
- int i_y; /**< position of region */
- int i_align; /**< alignment within a region */
- int i_alpha; /**< transparency */
- char *psz_text; /**< text string comprising this region */
- char *psz_html; /**< HTML version of subtitle (NULL = use psz_text) */
- text_style_t *p_style; /**< a description of the text style formatting */
- subpicture_region_t *p_next; /**< next region in the list */
- subpicture_region_private_t *p_private; /**< Private data for spu_t *only* */
- };
- /* Subpicture region position flags */
- #define SUBPICTURE_ALIGN_LEFT 0x1
- #define SUBPICTURE_ALIGN_RIGHT 0x2
- #define SUBPICTURE_ALIGN_TOP 0x4
- #define SUBPICTURE_ALIGN_BOTTOM 0x8
- #define SUBPICTURE_ALIGN_MASK ( SUBPICTURE_ALIGN_LEFT|SUBPICTURE_ALIGN_RIGHT|
- SUBPICTURE_ALIGN_TOP |SUBPICTURE_ALIGN_BOTTOM )
- /**
- * This function will create a new subpicture region.
- *
- * You must use subpicture_region_Delete to destroy it.
- */
- VLC_EXPORT( subpicture_region_t *, subpicture_region_New, ( const video_format_t *p_fmt ) );
- /**
- * This function will destroy a subpicture region allocated by
- * subpicture_region_New.
- *
- * You may give it NULL.
- */
- VLC_EXPORT( void, subpicture_region_Delete, ( subpicture_region_t *p_region ) );
- /**
- * This function will destroy a list of subpicture regions allocated by
- * subpicture_region_New.
- *
- * Provided for convenience.
- */
- VLC_EXPORT( void, subpicture_region_ChainDelete, ( subpicture_region_t *p_head ) );
- /**
- * Video subtitle
- *
- * Any subtitle destined to be displayed by a video output thread should
- * be stored in this structure from it's creation to it's effective display.
- * Subtitle type and flags should only be modified by the output thread. Note
- * that an empty subtitle MUST have its flags set to 0.
- */
- struct subpicture_t
- {
- /** name Channel ID */
- /**@{*/
- int i_channel; /**< subpicture channel ID */
- /**@}*/
- /** name Type and flags
- Should NOT be modified except by the vout thread */
- /**@{*/
- int64_t i_order; /** an increasing unique number */
- subpicture_t * p_next; /**< next subtitle to be displayed */
- /**@}*/
- /** name Date properties */
- /**@{*/
- mtime_t i_start; /**< beginning of display date */
- mtime_t i_stop; /**< end of display date */
- bool b_ephemer; /**< If this flag is set to true the subtitle
- will be displayed untill the next one appear */
- bool b_fade; /**< enable fading */
- /**@}*/
- subpicture_region_t *p_region; /**< region list composing this subtitle */
- /** name Display properties
- * These properties are only indicative and may be
- * changed by the video output thread, or simply ignored depending of the
- * subtitle type. */
- /**@{*/
- int i_original_picture_width; /**< original width of the movie */
- int i_original_picture_height;/**< original height of the movie */
- bool b_subtitle; /**< the picture is a movie subtitle */
- bool b_absolute; /**< position is absolute */
- int i_alpha; /**< transparency */
- /**@}*/
- /** Pointer to function that renders this subtitle in a picture */
- void ( *pf_render ) ( vout_thread_t *, picture_t *, const subpicture_t * );
- /** Pointer to function that cleans up the private data of this subtitle */
- void ( *pf_destroy ) ( subpicture_t * );
- /** Pointer to functions for region management */
- void (*pf_pre_render) ( spu_t *, subpicture_t *, const video_format_t * );
- void (*pf_update_regions)( spu_t *,
- subpicture_t *, const video_format_t *, mtime_t );
- /** Private data - the subtitle plugin might want to put stuff here to
- * keep track of the subpicture */
- subpicture_sys_t *p_sys; /* subpicture data */
- };
- /**
- * This function create a new empty subpicture.
- *
- * You must use subpicture_Delete to destroy it.
- */
- VLC_EXPORT( subpicture_t *, subpicture_New, ( void ) );
- /**
- * This function delete a subpicture created by subpicture_New.
- * You may give it NULL.
- */
- VLC_EXPORT( void, subpicture_Delete, ( subpicture_t *p_subpic ) );
- /* Default subpicture channel ID */
- #define DEFAULT_CHAN 1
- /*****************************************************************************
- * Prototypes
- *****************************************************************************/
- /**
- * Initialise different fields of a picture_t (but does not allocate memory).
- * param p_this a vlc object
- * param p_pic pointer to the picture structure.
- * param i_chroma the wanted chroma for the picture.
- * param i_width the wanted width for the picture.
- * param i_height the wanted height for the picture.
- * param i_aspect the wanted aspect ratio for the picture.
- */
- #define vout_InitPicture(a,b,c,d,e,f)
- __vout_InitPicture(VLC_OBJECT(a),b,c,d,e,f)
- 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 ) );
- /**
- * Initialise different fields of a picture_t and allocates the picture buffer.
- * param p_this a vlc object
- * param p_pic pointer to the picture structure.
- * param i_chroma the wanted chroma for the picture.
- * param i_width the wanted width for the picture.
- * param i_height the wanted height for the picture.
- * param i_aspect the wanted aspect ratio for the picture.
- */
- #define vout_AllocatePicture(a,b,c,d,e,f)
- __vout_AllocatePicture(VLC_OBJECT(a),b,c,d,e,f)
- 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 ) );
- /**
- * defgroup video_output Video Output
- * This module describes the programming interface for video output threads.
- * It includes functions allowing to open a new thread, send pictures to a
- * thread, and destroy a previously opened video output thread.
- * @{
- */
- /**
- * Video ouput thread private structure
- */
- typedef struct vout_thread_sys_t vout_thread_sys_t;
- /**
- * Video output thread descriptor
- *
- * Any independent video output device, such as an X11 window or a GGI device,
- * is represented by a video output thread, and described using the following
- * structure.
- */
- struct vout_thread_t
- {
- VLC_COMMON_MEMBERS
- /** name Thread properties and locks */
- /**@{*/
- vlc_mutex_t picture_lock; /**< picture heap lock */
- vlc_mutex_t change_lock; /**< thread change lock */
- vout_sys_t * p_sys; /**< system output method */
- /**@}*/
- /** name Current display properties */
- /**@{*/
- uint16_t i_changes; /**< changes made to the thread.
- see ref vout_changes */
- unsigned b_fullscreen:1; /**< toogle fullscreen display */
- unsigned b_autoscale:1; /**< auto scaling picture or not */
- unsigned b_on_top:1; /**< stay always on top of other windows */
- int i_zoom; /**< scaling factor if no auto */
- unsigned int i_window_width; /**< video window width */
- unsigned int i_window_height; /**< video window height */
- unsigned int i_alignment; /**< video alignment in window */
- /**@}*/
- /** name Plugin used and shortcuts to access its capabilities */
- /**@{*/
- module_t * p_module;
- int ( *pf_init ) ( vout_thread_t * );
- void ( *pf_end ) ( vout_thread_t * );
- int ( *pf_manage ) ( vout_thread_t * );
- void ( *pf_render ) ( vout_thread_t *, picture_t * );
- void ( *pf_display ) ( vout_thread_t *, picture_t * );
- void ( *pf_swap ) ( vout_thread_t * ); /* OpenGL only */
- int ( *pf_lock ) ( vout_thread_t * ); /* OpenGL only */
- void ( *pf_unlock ) ( vout_thread_t * ); /* OpenGL only */
- int ( *pf_control ) ( vout_thread_t *, int, va_list );
- /**@}*/
- /** name Video heap and translation tables */
- /**@{*/
- int i_heap_size; /**< heap size */
- picture_heap_t render; /**< rendered pictures */
- picture_heap_t output; /**< direct buffers */
- video_format_t fmt_render; /* render format (from the decoder) */
- video_format_t fmt_in; /* input (modified render) format */
- video_format_t fmt_out; /* output format (for the video output) */
- /**@}*/
- /* Picture heap */
- picture_t p_picture[2*VOUT_MAX_PICTURES+1]; /**< pictures */
- /* Subpicture unit */
- spu_t *p_spu;
- /* Video output configuration */
- config_chain_t *p_cfg;
- /* Private vout_thread data */
- vout_thread_sys_t *p;
- };
- #define I_OUTPUTPICTURES p_vout->output.i_pictures
- #define PP_OUTPUTPICTURE p_vout->output.pp_picture
- #define I_RENDERPICTURES p_vout->render.i_pictures
- #define PP_RENDERPICTURE p_vout->render.pp_picture
- /** defgroup vout_changes Flags for changes
- * These flags are set in the vout_thread_t::i_changes field when another
- * thread changed a variable
- * @{
- */
- /** b_info changed */
- #define VOUT_INFO_CHANGE 0x0001
- /** b_interface changed */
- #define VOUT_INTF_CHANGE 0x0004
- /** b_autoscale changed */
- #define VOUT_SCALE_CHANGE 0x0008
- /** b_on_top changed */
- #define VOUT_ON_TOP_CHANGE 0x0010
- /** b_cursor changed */
- #define VOUT_CURSOR_CHANGE 0x0020
- /** b_fullscreen changed */
- #define VOUT_FULLSCREEN_CHANGE 0x0040
- /** i_zoom changed */
- #define VOUT_ZOOM_CHANGE 0x0080
- /** size changed */
- #define VOUT_SIZE_CHANGE 0x0200
- /** depth changed */
- #define VOUT_DEPTH_CHANGE 0x0400
- /** change chroma tables */
- #define VOUT_CHROMA_CHANGE 0x0800
- /** cropping parameters changed */
- #define VOUT_CROP_CHANGE 0x1000
- /** aspect ratio changed */
- #define VOUT_ASPECT_CHANGE 0x2000
- /** change/recreate picture buffers */
- #define VOUT_PICTURE_BUFFERS_CHANGE 0x4000
- /**@}*/
- /* Alignment flags */
- #define VOUT_ALIGN_LEFT 0x0001
- #define VOUT_ALIGN_RIGHT 0x0002
- #define VOUT_ALIGN_HMASK 0x0003
- #define VOUT_ALIGN_TOP 0x0004
- #define VOUT_ALIGN_BOTTOM 0x0008
- #define VOUT_ALIGN_VMASK 0x000C
- #define MAX_JITTER_SAMPLES 20
- /* scaling factor (applied to i_zoom in vout_thread_t) */
- #define ZOOM_FP_FACTOR 1000
- /*****************************************************************************
- * Prototypes
- *****************************************************************************/
- /**
- * This function will
- * - returns a suitable vout (if requested by a non NULL p_fmt)
- * - recycles an old vout (if given) by either destroying it or by saving it
- * for latter usage.
- *
- * The purpose of this function is to avoid unnecessary creation/destruction of
- * vout (and to allow optional vout reusing).
- *
- * You can call vout_Request on a vout created by vout_Create or by a previous
- * call to vout_Request.
- * You can release the returned value either by vout_Request or vout_Close()
- * followed by a vlc_object_release() or shorter vout_CloseAndRelease()
- *
- * param p_this a vlc object
- * param p_vout a vout candidate
- * param p_fmt the video format requested or NULL
- * return a vout if p_fmt is non NULL and the request is successfull, NULL
- * otherwise
- */
- #define vout_Request(a,b,c) __vout_Request(VLC_OBJECT(a),b,c)
- VLC_EXPORT( vout_thread_t *, __vout_Request, ( vlc_object_t *p_this, vout_thread_t *p_vout, video_format_t *p_fmt ) );
- /**
- * This function will create a suitable vout for a given p_fmt. It will never
- * reuse an already existing unused vout.
- *
- * You have to call either vout_Close or vout_Request on the returned value
- * param p_this a vlc object to which the returned vout will be attached
- * param p_fmt the video format requested
- * return a vout if the request is successfull, NULL otherwise
- */
- #define vout_Create(a,b) __vout_Create(VLC_OBJECT(a),b)
- VLC_EXPORT( vout_thread_t *, __vout_Create, ( vlc_object_t *p_this, video_format_t *p_fmt ) );
- /**
- * This function will close a vout created by vout_Create or vout_Request.
- * The associated vout module is closed.
- * Note: It is not released yet, you'll have to call vlc_object_release()
- * or use the convenient vout_CloseAndRelease().
- *
- * param p_vout the vout to close
- */
- VLC_EXPORT( void, vout_Close, ( vout_thread_t *p_vout ) );
- /**
- * This function will close a vout created by vout_Create
- * and then release it.
- *
- * param p_vout the vout to close and release
- */
- static inline void vout_CloseAndRelease( vout_thread_t *p_vout )
- {
- vout_Close( p_vout );
- vlc_object_release( p_vout );
- }
- /**
- * This function will handle a snapshot request.
- *
- * pp_image, pp_picture and p_fmt can be NULL otherwise they will be
- * set with returned value in case of success.
- *
- * pp_image will hold an encoded picture in psz_format format.
- *
- * i_timeout specifies the time the function will wait for a snapshot to be
- * available.
- *
- */
- VLC_EXPORT( int, vout_GetSnapshot, ( vout_thread_t *p_vout,
- block_t **pp_image, picture_t **pp_picture,
- video_format_t *p_fmt,
- const char *psz_format, mtime_t i_timeout ) );
- /* */
- VLC_EXPORT( int, vout_ChromaCmp, ( uint32_t, uint32_t ) );
- VLC_EXPORT( picture_t *, vout_CreatePicture, ( vout_thread_t *, bool, bool, unsigned int ) );
- VLC_EXPORT( void, vout_InitFormat, ( video_frame_format_t *, uint32_t, int, int, int ) );
- VLC_EXPORT( void, vout_DestroyPicture, ( vout_thread_t *, picture_t * ) );
- VLC_EXPORT( void, vout_DisplayPicture, ( vout_thread_t *, picture_t * ) );
- VLC_EXPORT( void, vout_LinkPicture, ( vout_thread_t *, picture_t * ) );
- VLC_EXPORT( void, vout_UnlinkPicture, ( vout_thread_t *, picture_t * ) );
- VLC_EXPORT( void, vout_PlacePicture, ( const vout_thread_t *, unsigned int, unsigned int, unsigned int *, unsigned int *, unsigned int *, unsigned int * ) );
- void vout_IntfInit( vout_thread_t * );
- VLC_EXPORT( void, vout_EnableFilter, ( vout_thread_t *, char *,bool , bool ) );
- static inline int vout_vaControl( vout_thread_t *p_vout, int i_query,
- va_list args )
- {
- if( p_vout->pf_control )
- return p_vout->pf_control( p_vout, i_query, args );
- else
- return VLC_EGENERIC;
- }
- static inline int vout_Control( vout_thread_t *p_vout, int i_query, ... )
- {
- va_list args;
- int i_result;
- va_start( args, i_query );
- i_result = vout_vaControl( p_vout, i_query, args );
- va_end( args );
- return i_result;
- }
- enum output_query_e
- {
- VOUT_SET_SIZE, /* arg1= unsigned int, arg2= unsigned int, res= */
- VOUT_SET_STAY_ON_TOP, /* arg1= bool res= */
- VOUT_SET_VIEWPORT, /* arg1= view rect, arg2=clip rect, res= */
- VOUT_REDRAW_RECT, /* arg1= area rect, res= */
- };
- /**@}*/
- #endif /* _VLC_VIDEO_H */