mirror of
https://github.com/mpv-player/mpv
synced 2024-12-17 04:15:13 +00:00
21f9a7c857
git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@449 b3059339-0415-0410-9bf9-f77b7e298cf2
360 lines
9.6 KiB
C
360 lines
9.6 KiB
C
/*
|
|
Video driver for SVGAlib - alpha, slow
|
|
by Zoltan Mark Vician <se7en@sch.bme.hu>
|
|
Code started: Mon Apr 1 23:25:47 2001
|
|
|
|
Uses HW acceleration if your card is supported by SVGAlib.
|
|
*/
|
|
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
|
|
#include <vga.h>
|
|
#include <vgagl.h>
|
|
|
|
#include "config.h"
|
|
#include "video_out.h"
|
|
#include "video_out_internal.h"
|
|
|
|
#include "yuv2rgb.h"
|
|
#include "mmx.h"
|
|
|
|
extern void rgb15to16_mmx(char* s0,char* d0,int count);
|
|
|
|
LIBVO_EXTERN(svga)
|
|
|
|
static vo_info_t vo_info = {
|
|
"SVGAlib",
|
|
"svga",
|
|
"Zoltan Mark Vician <se7en@sch.bme.hu>",
|
|
""
|
|
};
|
|
|
|
// SVGAlib definitions
|
|
|
|
GraphicsContext *screen;
|
|
GraphicsContext *virt;
|
|
|
|
static uint8_t *scalebuf = NULL, *yuvbuf = NULL, *bppbuf = NULL;
|
|
|
|
static uint32_t orig_w, orig_h, maxw, maxh; // Width, height
|
|
static float scaling = 1.0;
|
|
static uint32_t x_pos, y_pos; // Position
|
|
|
|
// Order must not change!
|
|
#define _640x480x32K 0 // 17
|
|
#define _640x480x64K 1 // 18
|
|
#define _640x480x16M 2 // 19
|
|
#define _640x480x16M32 3 // 34
|
|
#define _800x600x32K 4 // 20
|
|
#define _800x600x64K 5 // 21
|
|
#define _800x600x16M 6 // 22
|
|
#define _800x600x16M32 7 // 35
|
|
#define _1024x768x32K 8 // 23
|
|
#define _1024x768x64K 9 // 24
|
|
#define _1024x768x16M 10 // 25
|
|
#define _1024x768x16M32 11 // 36
|
|
#define VID_MODE_NUM 12
|
|
|
|
static uint8_t vid_modes[VID_MODE_NUM];
|
|
static vid_mode_nums[VID_MODE_NUM] = {17,18,19,34,20,21,22,35,23,24,25,36};
|
|
static uint8_t vid_mode;
|
|
static uint8_t bpp;
|
|
|
|
static uint32_t pformat;
|
|
|
|
static uint8_t checked = 0;
|
|
static uint8_t bpp_conv = 0;
|
|
|
|
static void checksupportedmodes() {
|
|
int i;
|
|
|
|
checked = 1;
|
|
vga_init();
|
|
vga_disabledriverreport();
|
|
for (i = 0; i < VID_MODE_NUM; i++) {
|
|
if (vga_hasmode(vid_mode_nums[i]) > 0)
|
|
vid_modes[i] = 1;
|
|
else vid_modes[i] = 0;
|
|
}
|
|
}
|
|
|
|
static 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 wid = (d_width > 0 ? d_width : width);
|
|
|
|
if (!checked) {
|
|
checksupportedmodes(); // Looking for available video modes
|
|
}
|
|
|
|
pformat = format;
|
|
|
|
// -bpp check
|
|
if (!vo_dbpp) {
|
|
if (format == IMGFMT_YV12) bpp = 32;
|
|
else bpp = format & 255;
|
|
} else {
|
|
bpp = vo_dbpp;
|
|
switch (bpp) {
|
|
case 32: if (!(vid_modes[_640x480x16M32] | vid_modes[_800x600x16M32] | vid_modes[_1024x768x16M32])) {
|
|
printf("vo_svga: %dbpp not supported by HW or SVGAlib",bpp);
|
|
return(1);
|
|
}
|
|
case 24: if (!(vid_modes[_640x480x16M] | vid_modes[_800x600x16M] | vid_modes[_1024x768x16M])) {
|
|
printf("vo_svga: %dbpp not supported by HW or SVGAlib",bpp);
|
|
return(1);
|
|
}
|
|
case 16: if (!(vid_modes[_640x480x64K] | vid_modes[_800x600x64K] | vid_modes[_1024x768x64K])) {
|
|
printf("vo_svga: %dbpp not supported by HW or SVGAlib",bpp);
|
|
return(1);
|
|
}
|
|
case 15: if (!(vid_modes[_640x480x32K] | vid_modes[_800x600x32K] | vid_modes[_1024x768x32K])) {
|
|
printf("vo_svga: %dbpp not supported by HW or SVGAlib",bpp);
|
|
return(1);
|
|
}
|
|
}
|
|
}
|
|
|
|
if (wid > 800)
|
|
switch (bpp) {
|
|
case 32: vid_mode = 36; break;
|
|
case 24: vid_mode = bpp_conv ? 36 : 25; bpp = 32; break;
|
|
case 16: vid_mode = 24; break;
|
|
case 15: vid_mode = bpp_conv ? 24 : 23; bpp = 16; break;
|
|
}
|
|
else
|
|
if (wid > 640)
|
|
switch (bpp) {
|
|
case 32: vid_mode = 35; break;
|
|
case 24: vid_mode = bpp_conv ? 35 : 22; bpp = 32; break;
|
|
case 16: vid_mode = 21; break;
|
|
case 15: vid_mode = bpp_conv ? 21 : 20; bpp = 16; break;
|
|
}
|
|
else
|
|
switch (bpp) {
|
|
case 32: vid_mode = 34; break;
|
|
case 24: vid_mode = bpp_conv ? 34 : 19; bpp = 32; break;
|
|
case 16: vid_mode = 18; break;
|
|
case 15: vid_mode = bpp_conv ? 18 : 17; bpp = 16; break;
|
|
}
|
|
if (bpp_conv)
|
|
bppbuf = malloc(maxw * maxh * BYTESPERPIXEL);
|
|
if (!bppbuf) {
|
|
printf("vo_svga: Not enough memory for buffering!");
|
|
uninit();
|
|
return (1);
|
|
}
|
|
|
|
vga_setlinearaddressing();
|
|
if (vga_setmode(vid_mode) == -1){
|
|
printf("vo_svga: vga_setmode(%d) failed.\n",vid_mode);
|
|
return(1); // error
|
|
}
|
|
if (gl_setcontextvga(vid_mode)){
|
|
printf("vo_svga: gl_setcontextvga(%d) failed.\n",vid_mode);
|
|
return(1); // error
|
|
}
|
|
screen = gl_allocatecontext();
|
|
gl_getcontext(screen);
|
|
if (gl_setcontextvgavirtual(vid_mode)){
|
|
printf("vo_svga: gl_setcontextvgavirtual(%d) failed.\n",vid_mode);
|
|
return(1); // error
|
|
}
|
|
virt = gl_allocatecontext();
|
|
gl_getcontext(virt);
|
|
gl_setcontext(virt);
|
|
gl_clearscreen(0);
|
|
|
|
orig_w = width;
|
|
orig_h = height;
|
|
if ((fullscreen & 0x04) && (WIDTH != orig_w)) {
|
|
if (((orig_w*1.0) / orig_h) < (4.0/3)) {
|
|
maxh = HEIGHT;
|
|
scaling = maxh / (orig_h * 1.0);
|
|
maxw = (uint32_t) (orig_w * scaling);
|
|
scalebuf = malloc(maxw * maxh * BYTESPERPIXEL);
|
|
if (!scalebuf) {
|
|
printf("vo_svga: Not enough memory for buffering!");
|
|
uninit();
|
|
return (1);
|
|
}
|
|
} else {
|
|
maxw = WIDTH;
|
|
scaling = maxw / (orig_w * 1.0);
|
|
maxh = (uint32_t) (orig_h * scaling);
|
|
scalebuf = malloc(maxw * maxh * BYTESPERPIXEL);
|
|
if (!scalebuf) {
|
|
printf("vo_svga: Not enough memory for buffering!");
|
|
uninit();
|
|
return (1);
|
|
}
|
|
}
|
|
} else {
|
|
maxw = orig_w;
|
|
maxh = orig_h;
|
|
}
|
|
x_pos = (WIDTH - maxw) / 2;
|
|
y_pos = (HEIGHT - maxh) / 2;
|
|
|
|
if (pformat == IMGFMT_YV12) {
|
|
yuv2rgb_init(bpp, MODE_RGB);
|
|
yuvbuf = malloc(maxw * maxh * BYTESPERPIXEL);
|
|
if (!yuvbuf) {
|
|
printf("vo_svga: Not enough memory for buffering!");
|
|
uninit();
|
|
return (1);
|
|
}
|
|
}
|
|
|
|
printf("SVGAlib resolution: %dx%d %dbpp - ", WIDTH, HEIGHT, bpp);
|
|
if (maxw != orig_w || maxh != orig_h) printf("Video scaled to: %dx%d\n",maxw,maxh);
|
|
else printf("No video scaling\n");
|
|
|
|
return (0);
|
|
}
|
|
|
|
static uint32_t query_format(uint32_t format) {
|
|
uint8_t res = 0;
|
|
|
|
if (!checked)
|
|
checksupportedmodes(); // Looking for available video modes
|
|
switch (format) {
|
|
case IMGFMT_RGB32:
|
|
case IMGFMT_BGR|32: {
|
|
return (vid_modes[_640x480x16M32] | vid_modes[_800x600x16M32] | vid_modes[_1024x768x16M32]);
|
|
}
|
|
case IMGFMT_RGB24:
|
|
case IMGFMT_BGR|24: {
|
|
res = vid_modes[_640x480x16M] | vid_modes[_800x600x16M] | vid_modes[_1024x768x16M];
|
|
if (!res) {
|
|
res = vid_modes[_640x480x16M32] | vid_modes[_800x600x16M32] | vid_modes[_1024x768x16M32];
|
|
bpp_conv = 1;
|
|
}
|
|
return (res);
|
|
}
|
|
case IMGFMT_RGB16:
|
|
case IMGFMT_BGR|16: {
|
|
return (vid_modes[_640x480x64K] | vid_modes[_800x600x64K] | vid_modes[_1024x768x64K]);
|
|
}
|
|
case IMGFMT_RGB15:
|
|
case IMGFMT_BGR|15: {
|
|
res = vid_modes[_640x480x32K] | vid_modes[_800x600x32K] | vid_modes[_1024x768x32K];
|
|
if (!res) {
|
|
res = vid_modes[_640x480x64K] | vid_modes[_800x600x64K] | vid_modes[_1024x768x64K];
|
|
bpp_conv = 1;
|
|
}
|
|
return (res);
|
|
}
|
|
case IMGFMT_YV12: return (1);
|
|
}
|
|
return (0);
|
|
}
|
|
|
|
static const vo_info_t* get_info(void) {
|
|
return (&vo_info);
|
|
}
|
|
|
|
static void draw_alpha(int x0, int y0, int w, int h, unsigned char *src,
|
|
unsigned char *srca, int stride) {
|
|
switch (bpp) {
|
|
case 32:
|
|
vo_draw_alpha_rgb32(w, h, src, srca, stride, virt->vbuf+4*(y0*WIDTH+x0), 4*WIDTH);
|
|
break;
|
|
case 24:
|
|
vo_draw_alpha_rgb24(w, h, src, srca, stride, virt->vbuf+3*(y0*WIDTH+x0), 3*WIDTH);
|
|
break;
|
|
case 16:
|
|
vo_draw_alpha_rgb16(w, h, src, srca, stride, virt->vbuf+2*(y0*WIDTH+x0), 2*WIDTH);
|
|
break;
|
|
case 15:
|
|
vo_draw_alpha_rgb15(w, h, src, srca, stride, virt->vbuf+2*(y0*WIDTH+x0), 2*WIDTH);
|
|
break;
|
|
}
|
|
}
|
|
|
|
static uint32_t draw_frame(uint8_t *src[]) {
|
|
if (pformat == IMGFMT_YV12) {
|
|
yuv2rgb(yuvbuf, src[0], src[1], src[2], orig_w, orig_h, orig_w * BYTESPERPIXEL, orig_w, orig_w / 2);
|
|
src[0] = yuvbuf;
|
|
}
|
|
if (scalebuf) {
|
|
gl_scalebox(orig_w, orig_h, src[0], maxw, maxh, scalebuf);
|
|
src[0] = scalebuf;
|
|
}
|
|
if (bpp_conv) {
|
|
uint16_t *src = (uint16_t *) src[0];
|
|
uint16_t *dest = (uint16_t *) bppbuf;
|
|
uint16_t *end;
|
|
|
|
switch(bpp) {
|
|
case 32:
|
|
end = src + (maxw * maxh * 2);
|
|
while (src < end) {
|
|
*dest++ = *src++;
|
|
(uint8_t *)dest = (uint8_t *)src;
|
|
*(((uint8_t *)dest)+1) = 0;
|
|
dest++;
|
|
src++;
|
|
}
|
|
case 16:
|
|
#ifdef HAVE_MMX
|
|
rgb15to16_mmx(src[0],bppbuf,maxw * maxh * 2);
|
|
#else
|
|
register uint16_t srcdata;
|
|
|
|
end = src + (maxw * maxh);
|
|
while (src < end) {
|
|
srcdata = *src++;
|
|
*dest++ = (srcdata & 0x1f) | ((srcdata & 0x7fe0) << 1);
|
|
}
|
|
#endif
|
|
}
|
|
src[0] = bppbuf;
|
|
}
|
|
gl_putbox(x_pos, y_pos, maxw, maxh, src[0]);
|
|
}
|
|
|
|
static uint32_t draw_slice(uint8_t *image[], int stride[],
|
|
int w, int h, int x, int y) {
|
|
uint8_t *src = yuvbuf;
|
|
uint32_t sw, sh;
|
|
|
|
emms();
|
|
sw = (uint32_t) (w * scaling);
|
|
sh = (uint32_t) (h * scaling);
|
|
yuv2rgb(yuvbuf, image[0], image[1], image[2], w, h, orig_w * BYTESPERPIXEL, stride[0], stride[1]);
|
|
if (scalebuf) {
|
|
gl_scalebox(w, h, yuvbuf, sw, sh, scalebuf);
|
|
src = scalebuf;
|
|
}
|
|
gl_putbox((int)(x * scaling) + x_pos, (int)(y * scaling) + y_pos, sw, sh, src);
|
|
}
|
|
|
|
static void flip_page(void) {
|
|
if (y_pos) {
|
|
gl_fillbox(0, 0, WIDTH, y_pos, 0);
|
|
gl_fillbox(0, HEIGHT - y_pos, WIDTH, y_pos, 0);
|
|
} else {
|
|
gl_fillbox(0, 0, x_pos, HEIGHT, 0);
|
|
gl_fillbox(WIDTH - x_pos, 0, x_pos, HEIGHT, 0);
|
|
}
|
|
vo_draw_text(WIDTH, HEIGHT, draw_alpha);
|
|
gl_copyscreen(screen);
|
|
}
|
|
|
|
static void check_events(void) {
|
|
}
|
|
|
|
static void uninit(void) {
|
|
gl_freecontext(screen);
|
|
gl_freecontext(virt);
|
|
vga_setmode(TEXT);
|
|
if (bppbuf)
|
|
free(bppbuf);
|
|
if (scalebuf)
|
|
free(scalebuf);
|
|
if (yuvbuf)
|
|
free(yuvbuf);
|
|
}
|
|
|