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UYVY support 

git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@467 b3059339-0415-0410-9bf9-f77b7e298cf2
This commit is contained in:
arpi_esp 2001-04-16 01:26:08 +00:00
parent 82f6a7a348
commit fd80ec7a2d
2 changed files with 32 additions and 6 deletions
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27
drivers/mga_vid.c
View File

@ -391,6 +391,8 @@ static int mga_vid_set_config(mga_vid_config_t *config)
//Setup the BES registers for a three plane 4:2:0 video source
regs.besglobctl = 0;
switch(config->format){
case MGA_VID_FORMAT_YV12:
regs.besctl = 1 // BES enabled
@ -400,7 +402,7 @@ switch(config->format){
+ (1<<16) // chroma upsampling
+ (1<<17) // 4:2:0 mode
+ (1<<18); // dither enabled
#if 0
if(is_g400)
{
//zoom disabled, zoom filter disabled, 420 3 plane format, proc amp
@ -411,8 +413,9 @@ switch(config->format){
{
//zoom disabled, zoom filter disabled, Cb samples in 0246, Cr
//in 1357, BES register update on besvcnt
regs.besglobctl = 0;
regs.besglobctl = 0;
}
#endif
break;
case MGA_VID_FORMAT_YUY2:
@ -426,6 +429,19 @@ switch(config->format){
regs.besglobctl = 0; // YUY2 format selected
break;
case MGA_VID_FORMAT_UYVY:
regs.besctl = 1 // BES enabled
+ (0<<6) // even start polarity
+ (1<<10) // x filtering enabled
+ (1<<11) // y filtering enabled
+ (1<<16) // chroma upsampling
+ (0<<17) // 4:2:2 mode
+ (1<<18); // dither enabled
regs.besglobctl = 1<<6; // UYVY format selected
break;
default:
printk(KERN_ERR "mga_vid: Unsupported pixel format: 0x%X\n",config->format);
return -1;
@ -433,7 +449,7 @@ switch(config->format){
//Disable contrast and brightness control
regs.besglobctl = (1<<5) + (1<<7);
regs.besglobctl |= (1<<5) + (1<<7);
regs.beslumactl = (0x7f << 16) + (0x80<<0);
regs.beslumactl = 0x80<<0;
@ -665,6 +681,7 @@ static int mga_vid_ioctl(struct inode *inode, struct file *file, unsigned int cm
if ( mga_irq != -1 ) disable_irq();
#endif
regs.besctl &= ~1;
regs.besglobctl &= ~(1<<6); // UYVY format selected
mga_vid_write_regs();
break;
@ -759,7 +776,8 @@ static int mga_vid_find_card(void)
}
}else{
switch((card_option>>11)&1){
case 0: mga_ram_size = 8; break;
case 0:
case 3: mga_ram_size = 8; break;
default: mga_ram_size = 16;
}
}
@ -834,6 +852,7 @@ static int mga_vid_release(struct inode *inode, struct file *file)
vid_src_ready = 0;
regs.besctl &= ~1;
regs.besglobctl &= ~(1<<6); // UYVY format selected
mga_vid_write_regs();
mga_vid_in_use = 0;

11
libvo/mga_common.c
View File

@ -12,10 +12,17 @@ static int f;
static void draw_alpha(int x0,int y0, int w,int h, unsigned char* src, unsigned char *srca, int stride){
int x,y;
uint32_t bespitch = (mga_vid_config.src_width + 31) & ~31;
if (mga_vid_config.format==MGA_VID_FORMAT_YV12)
switch(mga_vid_config.format){
case MGA_VID_FORMAT_YV12:
vo_draw_alpha_yv12(w,h,src,srca,stride,vid_data+bespitch*y0+x0,bespitch);
else
break;
case MGA_VID_FORMAT_YUY2:
vo_draw_alpha_yuy2(w,h,src,srca,stride,vid_data+2*(bespitch*y0+x0),2*bespitch);
break;
case MGA_VID_FORMAT_UYVY:
vo_draw_alpha_yuy2(w,h,src,srca,stride,vid_data+2*(bespitch*y0+x0)+1,2*bespitch);
break;
}
}