vlc/include/video_output.h
Sam Hocevar 7689bc9224 * ./modules/audio_output/oss.c: compilation fixes.
* ALL: lots of -ansi -pedantic fixes.
2002-08-08 00:35:11 +00:00

194 lines
9.6 KiB
C

/*****************************************************************************
* video_output.h : video output thread
* 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.
*****************************************************************************
* Copyright (C) 1999, 2000 VideoLAN
* $Id: video_output.h,v 1.83 2002/08/08 00:35:10 sam Exp $
*
* Authors: Vincent Seguin <seguin@via.ecp.fr>
* Samuel Hocevar <sam@via.ecp.fr>
*
* 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., 59 Temple Place - Suite 330, Boston, MA 02111, USA.
*****************************************************************************/
/*****************************************************************************
* vout_chroma_t: Chroma conversion function
*****************************************************************************
* This is the prototype common to all conversion functions.
* Parameters:
* p_source source picture
* p_dest destination picture
* Picture width and source dimensions must be multiples of 16.
*****************************************************************************/
typedef void (vout_chroma_convert_t)( vout_thread_t *,
picture_t *, picture_t * );
typedef struct vout_chroma_t
{
/* conversion functions */
vout_chroma_convert_t *pf_convert;
/* Private module-dependant data */
chroma_sys_t * p_sys; /* private data */
/* Plugin used and shortcuts to access its capabilities */
module_t * p_module;
} vout_chroma_t;
/*****************************************************************************
* vout_fifo_t
*****************************************************************************/
typedef struct vout_fifo_t
{
/* See the fifo types below */
int i_type;
vlc_bool_t b_die;
int i_fifo; /* Just to keep track of the fifo index */
vlc_mutex_t data_lock;
vlc_cond_t data_wait;
} vout_fifo_t;
#define VOUT_EMPTY_FIFO 0
#define VOUT_YUV_FIFO 1
#define VOUT_SPU_FIFO 2
/*****************************************************************************
* vout_thread_t: video output thread descriptor
*****************************************************************************
* Any independant 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
/* Thread properties and lock */
vlc_mutex_t picture_lock; /* picture heap lock */
vlc_mutex_t subpicture_lock; /* subpicture heap lock */
vlc_mutex_t change_lock; /* thread change lock */
vout_sys_t * p_sys; /* system output method */
/* Current display properties */
u16 i_changes; /* changes made to the thread */
float f_gamma; /* gamma */
vlc_bool_t b_grayscale; /* color or grayscale display */
vlc_bool_t b_info; /* print additional information */
vlc_bool_t b_interface; /* render interface */
vlc_bool_t b_scale; /* allow picture scaling */
vlc_bool_t b_fullscreen; /* toogle fullscreen display */
mtime_t render_time; /* last picture render time */
int i_window_width; /* video window width */
int i_window_height; /* video window height */
/* 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 * );
/* Statistics - these numbers are not supposed to be accurate, but are a
* good indication of the thread status */
count_t c_fps_samples; /* picture counts */
mtime_t p_fps_sample[VOUT_FPS_SAMPLES]; /* FPS samples dates */
/* Video heap and translation tables */
int i_heap_size; /* heap size */
picture_heap_t render; /* rendered pictures */
picture_heap_t output; /* direct buffers */
vlc_bool_t b_direct; /* rendered are like direct ? */
vout_chroma_t chroma; /* translation tables */
/* Picture and subpicture heaps */
picture_t p_picture[2*VOUT_MAX_PICTURES]; /* pictures */
subpicture_t p_subpicture[VOUT_MAX_PICTURES]; /* subpictures */
/* Bitmap fonts */
vout_font_t * p_default_font; /* default font */
vout_font_t * p_large_font; /* large font */
/* Statistics */
count_t c_loops;
count_t c_pictures, c_late_pictures;
mtime_t display_jitter; /* average deviation from the PTS */
count_t c_jitter_samples; /* number of samples used for the *
* calculation of the jitter */
/* Mouse */
int i_mouse_x, i_mouse_y, i_mouse_button;
/* Filter chain */
char *psz_filter_chain;
};
#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
/* Flags for changes - these flags are set in the i_changes field when another
* thread changed a variable */
#define VOUT_INFO_CHANGE 0x0001 /* b_info changed */
#define VOUT_GRAYSCALE_CHANGE 0x0002 /* b_grayscale changed */
#define VOUT_INTF_CHANGE 0x0004 /* b_interface changed */
#define VOUT_SCALE_CHANGE 0x0008 /* b_scale changed */
#define VOUT_GAMMA_CHANGE 0x0010 /* gamma changed */
#define VOUT_CURSOR_CHANGE 0x0020 /* b_cursor changed */
#define VOUT_FULLSCREEN_CHANGE 0x0040 /* b_fullscreen changed */
#define VOUT_SIZE_CHANGE 0x0200 /* size changed */
#define VOUT_DEPTH_CHANGE 0x0400 /* depth changed */
#define VOUT_CHROMA_CHANGE 0x0800 /* change chroma tables */
#define MAX_JITTER_SAMPLES 20
/*****************************************************************************
* Prototypes
*****************************************************************************/
#define vout_CreateThread(a,b,c,d,e) __vout_CreateThread(VLC_OBJECT(a),b,c,d,e)
VLC_EXPORT( vout_thread_t *, __vout_CreateThread, ( vlc_object_t *, int, int, u32, int ) );
VLC_EXPORT( void, vout_DestroyThread, ( vout_thread_t * ) );
vout_fifo_t * vout_CreateFifo ( void );
void vout_DestroyFifo ( vout_fifo_t * );
void vout_FreeFifo ( vout_fifo_t * );
VLC_EXPORT( int, vout_ChromaCmp, ( u32, u32 ) );
VLC_EXPORT( picture_t *, vout_CreatePicture, ( vout_thread_t *, vlc_bool_t, vlc_bool_t, vlc_bool_t ) );
VLC_EXPORT( void, vout_AllocatePicture,( vout_thread_t *, picture_t *, int, int, u32 ) );
VLC_EXPORT( void, vout_DestroyPicture, ( vout_thread_t *, picture_t * ) );
VLC_EXPORT( void, vout_DisplayPicture, ( vout_thread_t *, picture_t * ) );
VLC_EXPORT( void, vout_DatePicture, ( vout_thread_t *, picture_t *, mtime_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, ( vout_thread_t *, int, int, int *, int *, int *, int * ) );
picture_t * vout_RenderPicture ( vout_thread_t *, picture_t *,
subpicture_t * );
VLC_EXPORT( subpicture_t *, vout_CreateSubPicture, ( vout_thread_t *, int, int ) );
VLC_EXPORT( void, vout_DestroySubPicture, ( vout_thread_t *, subpicture_t * ) );
VLC_EXPORT( void, vout_DisplaySubPicture, ( vout_thread_t *, subpicture_t * ) );
subpicture_t * vout_SortSubPictures ( vout_thread_t *, mtime_t );
void vout_RenderSubPictures ( vout_thread_t *, picture_t *,
subpicture_t * );