/* * video_out.h * * Copyright (C) Aaron Holtzman - Aug 1999 * Strongly modified, most parts rewritten: A'rpi/ESP-team - 2000-2001 * */ #ifndef __VIDEO_OUT_H #define __VIDEO_OUT_H 1 #include #include //#include "font_load.h" #include "img_format.h" #include "../vidix/vidix.h" #define VO_EVENT_EXPOSE 1 #define VO_EVENT_RESIZE 2 #define VO_EVENT_KEYPRESS 4 /* takes a pointer to a vo_vaa_s struct */ #define VOCTRL_QUERY_VAA 1 /* takes a pointer to uint32_t fourcc */ #define VOCTRL_QUERY_FORMAT 2 /* signal a device reset seek */ #define VOCTRL_RESET 3 /* true if vo driver can use GUI created windows */ #define VOCTRL_GUISUPPORT 4 /* used to switch to fullscreen */ #define VOCTRL_FULLSCREEN 5 /* user wants to have screen shot. (currently without args)*/ #define VOCTRL_SCREENSHOT 6 /* signal a device pause */ #define VOCTRL_PAUSE 7 /* start/resume playback */ #define VOCTRL_RESUME 8 /* libmpcodecs direct rendering: */ #define VOCTRL_GET_IMAGE 9 #define VOCTRL_DRAW_IMAGE 13 /* decoding ahead: */ #define VOCTRL_GET_NUM_FRAMES 10 #define VOCTRL_GET_FRAME_NUM 11 #define VOCTRL_SET_FRAME_NUM 12 #define VO_TRUE 1 #define VO_FALSE 0 #define VO_ERROR -1 #define VO_NOTAVAIL -2 #define VO_NOTIMPL -3 #define VOFLAG_FULLSCREEN 0x01 #define VOFLAG_MODESWITCHING 0x02 #define VOFLAG_SWSCALE 0x04 #define VOFLAG_FLIPPING 0x08 typedef struct vo_info_s { /* driver name ("Matrox Millennium G200/G400" */ const char *name; /* short name (for config strings) ("mga") */ const char *short_name; /* author ("Aaron Holtzman ") */ const char *author; /* any additional comments */ const char *comment; } vo_info_t; /* Direct access to BES */ typedef struct bes_da_s { vidix_rect_t dest; /* This field should be filled by x,y,w,h from vidix:src but pitches from vidix:dest */ int flags; /* Probably will work only when flag == 0 */ /* memory model */ unsigned frame_size; /* destination frame size */ unsigned num_frames; /* number of available frames */ unsigned offsets[VID_PLAY_MAXFRAMES]; /* relative offset of each frame from begin of video memory */ vidix_yuv_t offset; /* relative offsets within frame for yuv planes */ void* dga_addr; /* linear address of BES */ }bes_da_t; /* Video Accelearted Architecture. Every field of this structure can be set to NULL that means that features is not supported */ typedef struct vo_vaa_s { uint32_t flags; /* currently undefined */ /* * Query Direct Access to BES * info - information to be filled * returns: 0 on success errno on error. */ int (*query_bes_da)(bes_da_t *info); int (*get_video_eq)(vidix_video_eq_t *info); int (*set_video_eq)(const vidix_video_eq_t *info); int (*get_num_fx)(unsigned *info); int (*get_oem_fx)(vidix_oem_fx_t *info); int (*set_oem_fx)(const vidix_oem_fx_t *info); int (*set_deint)(const vidix_deinterlace_t *info); }vo_vaa_t; /* Misc info to tuneup vo driver */ typedef struct vo_tune_info_s { int pitch[3]; /* Should be 0 if unknown else power of 2 */ }vo_tune_info_t; typedef struct vo_functions_s { /* * Preinitializes driver (real INITIALIZATION) * arg - currently it's vo_subdevice * returns: zero on successful initialization, non-zero on error. */ uint32_t (*preinit)(const char *arg); /* * Initialize (means CONFIGURE) the display driver. * params: * width,height: image source size * d_width,d_height: size of the requested window size, just a hint * fullscreen: flag, 0=windowd 1=fullscreen, just a hint * title: window title, if available * format: fourcc of pixel format * returns : zero on successful initialization, non-zero on error. */ uint32_t (*config)(uint32_t width, uint32_t height, uint32_t d_width, uint32_t d_height, uint32_t fullscreen, char *title, uint32_t format,const vo_tune_info_t *); /* * Control interface */ uint32_t (*control)(uint32_t request, void *data, ...); /* * Return driver information. * returns : read-only pointer to a vo_info_t structure. */ const vo_info_t* (*get_info)(void); /* * Display a new RGB/BGR frame of the video to the screen. * params: * src[0] - pointer to the image */ uint32_t (*draw_frame)(uint8_t *src[]); /* * Draw a planar YUV slice to the buffer: * params: * src[3] = source image planes (Y,U,V) * stride[3] = source image planes line widths (in bytes) * w,h = width*height of area to be copied (in Y pixels) * x,y = position at the destination image (in Y pixels) */ uint32_t (*draw_slice)(uint8_t *src[], int stride[], int w,int h, int x,int y); /* * Draws OSD to the screen buffer */ void (*draw_osd)(void); /* * Blit/Flip buffer to the screen. Must be called after each frame! */ void (*flip_page)(void); /* * This func is called after every frames to handle keyboard and * other events. It's called in PAUSE mode too! */ void (*check_events)(void); /* * Closes driver. Should restore the original state of the system. */ void (*uninit)(void); } vo_functions_t; char *vo_format_name(int format); int vo_init(void); // NULL terminated array of all drivers extern vo_functions_t* video_out_drivers[]; extern int vo_flags; extern int vo_config_count; // correct resolution/bpp on screen: (should be autodetected by vo_init()) extern int vo_depthonscreen; extern int vo_screenwidth; extern int vo_screenheight; // requested resolution/bpp: (-x -y -bpp options) extern int vo_dx; extern int vo_dy; extern int vo_dwidth; extern int vo_dheight; extern int vo_dbpp; extern int vo_old_x; extern int vo_old_y; extern int vo_old_width; extern int vo_old_height; extern int vo_doublebuffering; extern int vo_directrendering; extern int vo_vsync; extern int vo_fs; extern int vo_fsmode; extern int vo_mouse_timer_const; extern int vo_pts; extern float vo_fps; extern char *vo_subdevice; #endif