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/*
* video_out.h
*
* Copyright (C) Aaron Holtzman - Aug 1999
*
* This file is part of mpeg2dec, a free MPEG-2 video stream decoder.
*
* mpeg2dec 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, or (at your option)
* any later version.
*
* mpeg2dec 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 GNU Make; see the file COPYING. If not, write to
* the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
*
*/
#ifdef __cplusplus
extern "C" {
#endif
#include <inttypes.h>
#define IMGFMT_YV12 0x32315659
//#define IMGFMT_YUY2 (('Y'<<24)|('U'<<16)|('Y'<<8)|'2')
#define IMGFMT_YUY2 (('2'<<24)|('Y'<<16)|('U'<<8)|'Y')
#define IMGFMT_RGB_MASK 0xFFFFFF00
#define IMGFMT_RGB (('R'<<24)|('G'<<16)|('B'<<8))
#define IMGFMT_BGR_MASK 0xFFFFFF00
#define IMGFMT_BGR (('B'<<24)|('G'<<16)|('R'<<8))
#define IMGFMT_RGB15 (IMGFMT_RGB|15)
#define IMGFMT_RGB16 (IMGFMT_RGB|16)
#define IMGFMT_RGB24 (IMGFMT_RGB|24)
#define IMGFMT_RGB32 (IMGFMT_RGB|32)
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 <aholtzma@ess.engr.uvic.ca>") */
const char *author;
/* any additional comments */
const char *comment;
} vo_info_t;
typedef struct vo_image_buffer_s
{
uint32_t height;
uint32_t width;
uint32_t format;
uint8_t *base;
void *private;
} vo_image_buffer_t;
typedef struct vo_functions_s
{
/*
* Initialize the display driver.
*
* params : width == width of video to display.
* height == height of video to display.
* fullscreen == non-zero if driver should attempt to
* render in fullscreen mode. Zero if
* a windowed mode is requested. This is
* merely a request; if the driver can only do
* fullscreen (like fbcon) or windowed (like X11),
* than this param may be disregarded.
* title == string for titlebar of window. May be disregarded
* if there is no such thing as a window to your
* driver. Make a copy of this string, if you need it.
* format == desired fourCC code to use for image buffers
* returns : zero on successful initialization, non-zero on error.
* The program will probably respond to an error condition
* by terminating.
*/
uint32_t (*init)(uint32_t width, uint32_t height, uint32_t d_width, uint32_t d_height, uint32_t fullscreen, char *title, uint32_t format);
uint32_t (*query_format)(uint32_t format);
/*
* Return driver information.
*
* params : none.
* returns : read-only pointer to a vo_info_t structure.
* Fields are non-NULL.
* Should not return NULL.
*/
const vo_info_t* (*get_info)(void);
/*
* Display a new frame of the video to the screen. This may get called very
* rapidly, so the more efficient you can make your implementation of this
* function, the better.
*
* params : *src[] == An array with three elements. This is a YUV
* stream, with the Y plane in src[0], U in src[1],
* and V in src[2]. There is enough data for an image
* that is (WxH) pixels, where W and H are the width
* and height parameters that were previously passed
* to display_init().
* Information on the YUV format can be found at:
* http://www.webartz.com/fourcc/fccyuv.htm#IYUV
*
* returns : zero on successful rendering, non-zero on error.
* The program will probably respond to an error condition
* by terminating.
*/
uint32_t (*draw_frame)(uint8_t *src[]);
/*
* Update a section of the offscreen buffer. A "slice" is an area of the
* video image that is 16 rows of pixels at the width of the video image.
* Position (0, 0) is the upper left corner of slice #0 (the first slice),
* and position (0, 15) is the lower right. The next slice, #1, is bounded
* by (0, 16) and (0, 31), and so on.
*
* Note that slices are not drawn directly to the screen, and should be
* buffered until your implementation of display_flip_page() (see below)
* is called.
*
* This may get called very rapidly, so the more efficient you can make your
* implementation of this function, the better.
*
* params : *src[] == see display_frame(), above. The data passed in this
* array is just what enough data to contain the
* new slice, and NOT the entire frame.
* slice_num == The index of the slice. Starts at 0, not 1.
*
* returns : zero on successful rendering, non-zero on error.
* The program will probably respond to an error condition
* by terminating.
*/
// 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);
/*
* Draw the current image buffer to the screen. There may be several
* display_slice() calls before display_flip_page() is used. Note that
* display_frame does an implicit page flip, so you might or might not
* want to call this internally from your display_frame() implementation.
*
* This may get called very rapidly, so the more efficient you can make
* your implementation of this function, the better.
*
* params : void.
* returns : void.
*/
void (*flip_page)(void);
void (*uninit)(void);
} vo_functions_t;
// NULL terminated array of all drivers
extern vo_functions_t* video_out_drivers[];
#ifdef X11_FULLSCREEN
// X11 keyboard codes
#include "wskeys.h"
extern int vo_depthonscreen;
extern int vo_screenwidth;
extern int vo_screenheight;
int vo_init( void );
//void vo_decoration( Display * vo_Display,Window w,int d );
extern int vo_eventhandler_pid;
void vo_kill_eventhandler();
#endif
#ifdef __cplusplus
}
#endif
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