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SwScaling support 

git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@2299 b3059339-0415-0410-9bf9-f77b7e298cf2
This commit is contained in:
nick 2001-10-19 16:24:37 +00:00
parent 0ac6fe1c49
commit 297f7da876
1 changed files with 38 additions and 5 deletions
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43
libvo/vo_vesa.c
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@ -31,6 +31,8 @@
#include "linux/vbelib.h"
#include "bswap.h"
#include "../postproc/swscale.h"
LIBVO_EXTERN(vesa)
extern int verbose;
@ -67,6 +69,10 @@ struct win_frame
uint8_t idx; /* indicates index of relocatable frame (A or B) */
};
static int vesa_zoom=0; /* software scaling */
static unsigned int scale_xinc=0;
static unsigned int scale_yinc=0;
static uint32_t image_width, image_height; /* source image dimension */
static uint32_t x_offset,y_offset; /* to center image on screen */
static unsigned init_mode; /* mode before run of mplayer */
@ -222,11 +228,22 @@ static void __vbeCopyData(uint8_t *image)
/* is called for yuv only */
static uint32_t draw_slice(uint8_t *image[], int stride[], int w,int h,int x,int y)
{
if(vesa_zoom)
{
SwScale_YV12slice_brg24(image,stride,y,h,
yuv_buffer,
image_width*((video_mode_info.BitsPerPixel+7)/8),
image_width, video_mode_info.BitsPerPixel,
scale_xinc, scale_yinc);
}
else
{
yuv2rgb(yuv_buffer, image[0], image[1], image[2], w, h,
image_width * ((video_mode_info.BitsPerPixel+7)/8),
stride[0], stride[1]);
__vbeCopyData((uint8_t *)yuv_buffer);
return 0;
}
__vbeCopyData((uint8_t *)yuv_buffer);
return 0;
}
static void draw_osd(void)
@ -310,10 +327,11 @@ init(uint32_t width, uint32_t height, uint32_t d_width, uint32_t d_height, uint3
int err;
image_width = width;
image_height = height;
if(fullscreen & (0x1|0x4|0x8))
if(fullscreen & (0x1|0x8))
{
printf("vo_vesa: switches: -fs, -zoom, -flip are not supported\n");
printf("vo_vesa: switches: -fs, -flip are not supported\n");
}
if(fullscreen & 0x04) vesa_zoom = 1;
if((err=vbeInit()) != VBE_OK) { PRINT_VBE_ERR("vbeInit",err); return -1; }
memcpy(vib.VESASignature,"VBE2",4);
if((err=vbeGetControllerInfo(&vib)) != VBE_OK)
@ -401,7 +419,7 @@ init(uint32_t width, uint32_t height, uint32_t d_width, uint32_t d_height, uint3
}
if(verbose)
{
printf("vo_vesa: Mode (%03u): mode=%04X %ux%u@%u attr=%x\n"
printf("vo_vesa: Mode (%03u): mode=%04X %ux%u@%u attr=%04X\n"
"vo_vesa: #planes=%u model=%u(%s) #pages=%u\n"
"vo_vesa: winA=%X(attr=%u) winB=%X(attr=%u) winSize=%u winGran=%u\n"
"vo_vesa: direct_color=%u DGA_phys_addr=%08X\n"
@ -436,6 +454,21 @@ init(uint32_t width, uint32_t height, uint32_t d_width, uint32_t d_height, uint3
printf("vo_vesa: Can't allocate temporary buffer\n");
return -1;
}
if( vesa_zoom && format==IMGFMT_YV12 )
{
/* software scale */
image_width = video_mode_info.XResolution;
image_height = video_mode_info.YResolution;
scale_xinc=(width << 16) / image_width - 2; /* needed for proper rounding */
scale_yinc=(height << 16) / image_height + 2;
SwScale_Init();
if(verbose) printf("vo_vesa: Using SCALE\n");
}
else
{
printf("vo_vesa: Can't apply zooming to non YV12 formats\n");
return -1;
}
if((video_mode_info.WinAAttributes & FRAME_MODE) == FRAME_MODE)
win.idx = 0; /* frame A */
else