X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=include%2Fvideo_output.h;h=4675daa4b14a61d26960348fd030ce23156487d8;hb=bf9b62a4ea50a2ac124711378775c1def87243ca;hp=2fd5c7ab1fa154910d1bf20b6aa89c377aea79e9;hpb=db6d4f7d4e786bbcd408cd0c676ded5c70058aed;p=vlc diff --git a/include/video_output.h b/include/video_output.h index 2fd5c7ab1f..4675daa4b1 100644 --- a/include/video_output.h +++ b/include/video_output.h @@ -1,168 +1,200 @@ -/******************************************************************************* +/***************************************************************************** * video_output.h : video output thread - * (c)1999 VideoLAN - ******************************************************************************* * 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 oppenned video output thread. - *******************************************************************************/ - -/******************************************************************************* - * vout_tables_t: pre-calculated convertion tables - ******************************************************************************* - * These tables are used by convertion and scaling functions. - *******************************************************************************/ -typedef struct vout_tables_s -{ - void * p_base; /* base for all translation tables */ - union - { - struct { u16 *p_red, *p_green, *p_blue; } rgb16; /* color 15, 16 bpp */ - struct { u32 *p_red, *p_green, *p_blue; } rgb32; /* color 24, 32 bpp */ - struct { u16 *p_gray; } gray16; /* gray 15, 16 bpp */ - struct { u32 *p_gray; } gray32; /* gray 24, 32 bpp */ - } yuv; -} vout_tables_t; - -/******************************************************************************* - * vout_convert_t: convertion function - ******************************************************************************* - * This is the prototype common to all convertion functions. The type of p_pic - * will change depending of the screen depth treated. - * Parameters: - * p_vout video output thread - * p_pic picture address (start address in picture) - * p_y, p_u, p_v Y,U,V samples addresses - * i_width Y samples width - * i_height Y samples height - * i_eol number of Y samples to reach the next line - * i_pic_eol number or pixels to reach the next line - * i_scale if non 0, vertical scaling is 1 - 1/i_scale - * i_matrix_coefficients matrix coefficients - * Conditions: - * start x + i_width < picture width - * start y + i_height * (scaling factor) < picture height - * i_width % 16 == 0 - *******************************************************************************/ -typedef void (vout_convert_t)( p_vout_thread_t p_vout, void *p_pic, - yuv_data_t *p_y, yuv_data_t *p_u, yuv_data_t *p_v, - int i_width, int i_height, int i_eol, int i_pic_eol, - int i_scale, int i_matrix_coefficients ); - -/******************************************************************************* - * vout_scale_t: scaling function - ******************************************************************************* - * When a picture can't be scaled unsing the fast i_y_scale parameter of a - * transformation, it is rendered in a temporary buffer then scaled using a - * totally accurate (but also very slow) method. - * This is the prototype common to all scaling functions. The types of p_buffer - * and p_pic will change depending of the screen depth treated. + * thread, and destroy a previously opened video output thread. + ***************************************************************************** + * Copyright (C) 1999, 2000 VideoLAN + * $Id: video_output.h,v 1.81 2002/07/20 18:01:41 sam Exp $ + * + * Authors: Vincent Seguin + * Samuel Hocevar + * + * 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_vout video output thread - * p_pic picture address (start address in picture) - * p_buffer source picture - * i_width buffer width - * i_height buffer height - * i_eol number of pixels to reach next buffer line - * i_pic_eol number of pixels to reach next picture line - * f_alpha, f_beta horizontal and vertical scaling factors - *******************************************************************************/ -typedef void (vout_scale_t)( p_vout_thread_t p_vout, void *p_pic, void *p_buffer, - int i_width, int i_height, int i_eol, int i_pic_eol, - float f_alpha, float f_beta ); - -/******************************************************************************* - * 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 following - * structure. - *******************************************************************************/ -typedef struct vout_thread_s + * 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 { - /* Thread properties and lock */ - boolean_t b_die; /* `die' flag */ - boolean_t b_error; /* `error' flag */ - boolean_t b_active; /* `active' flag */ - pthread_t thread_id; /* id for pthread functions */ - pthread_mutex_t lock; /* thread lock */ - int * pi_status; /* temporary status flag */ - p_vout_sys_t p_sys; /* system output method */ - - /* Current display properties */ - boolean_t b_info; /* print additionnal informations */ - boolean_t b_grayscale; /* color or grayscale display */ - int i_width; /* current output method width */ - int i_height; /* current output method height */ - int i_bytes_per_line;/* bytes per line (including virtual) */ - int i_screen_depth; /* bits per pixel - FIXED */ - int i_bytes_per_pixel; /* real screen depth - FIXED */ - float f_x_ratio; /* horizontal display ratio */ - float f_y_ratio; /* vertical display ratio */ - float f_gamma; /* gamma */ - - /* Changed properties values - some of them are treated directly by the - * thread, the over may be ignored or handled by vout_SysManage */ - //?? info, grayscale, width, height, bytes per line, x ratio, y ratio, gamma - boolean_t b_gamma_change; /* gamma change indicator */ - int i_new_width; /* new width */ - int i_new_height; /* new height */ - -#ifdef STATS - /* Statistics - these numbers are not supposed to be accurate, but are a - * good indication of the thread status */ - count_t c_loops; /* number of loops */ - count_t c_idle_loops; /* number of idle loops */ - count_t c_fps_samples; /* picture counts */ - mtime_t fps_sample[ VOUT_FPS_SAMPLES ]; /* FPS samples dates */ -#endif - -#ifdef DEBUG_VIDEO - /* Additionnal video debugging informations */ - mtime_t picture_render_time; /* last picture rendering time */ -#endif - - /* Video heap and translation tables */ - picture_t p_picture[VOUT_MAX_PICTURES]; /* pictures */ - vout_tables_t tables; /* translation tables */ - vout_convert_t * p_ConvertYUV420; /* YUV 4:2:0 converter */ - vout_convert_t * p_ConvertYUV422; /* YUV 4:2:2 converter */ - vout_convert_t * p_ConvertYUV444; /* YUV 4:4:4 converter */ - vout_scale_t * p_Scale; /* scaler */ -} vout_thread_t; - -/******************************************************************************* - * Prototypes - *******************************************************************************/ -vout_thread_t * vout_CreateThread ( -#ifdef VIDEO_X11 - char *psz_display, Window root_window, -#endif - int i_width, int i_height, int *pi_status - ); - -void vout_DestroyThread ( vout_thread_t *p_vout, int *pi_status ); - -picture_t * vout_CreatePicture ( vout_thread_t *p_vout, int i_type, - int i_width, int i_height ); -void vout_DestroyPicture ( vout_thread_t *p_vout, picture_t *p_pic ); -void vout_DisplayPicture ( vout_thread_t *p_vout, picture_t *p_pic ); -void vout_LinkPicture ( vout_thread_t *p_vout, picture_t *p_pic ); -void vout_UnlinkPicture ( vout_thread_t *p_vout, picture_t *p_pic ); - - - - - + /* 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; + int ( * pf_init ) ( vout_thread_t * ); + void ( * pf_end ) ( vout_thread_t * ); +} 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_create ) ( vout_thread_t * ); + int ( *pf_init ) ( vout_thread_t * ); + void ( *pf_end ) ( vout_thread_t * ); + void ( *pf_destroy ) ( 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 */ + +/* Disabled for thread deadlocks issues --Meuuh */ +//#define VOUT_NODISPLAY_CHANGE 0xff00 /* changes which forbidden display */ + +#define MAX_JITTER_SAMPLES 20 + +/***************************************************************************** + * Prototypes + *****************************************************************************/ +#define vout_CreateThread(a,b,c,d,e) __vout_CreateThread(CAST_TO_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 * );