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mpv/libvo/mga_common.c

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#include "fastmemcpy.h"
#include "../mmx_defs.h"
#include "../mp_image.h"
// mga_vid drawing functions
static int mga_next_frame=0;
static mga_vid_config_t mga_vid_config;
static uint8_t *vid_data, *frames[4];
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;
switch(mga_vid_config.format){
case MGA_VID_FORMAT_YV12:
case MGA_VID_FORMAT_IYUV:
case MGA_VID_FORMAT_I420:
vo_draw_alpha_yv12(w,h,src,srca,stride,vid_data+bespitch*y0+x0,bespitch);
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;
}
}
static int mga_set_video_eq( const vidix_video_eq_t *info)
{
uint32_t luma;
float factor = 256.0 / 2000;
luma = ((int)(info->brightness * factor) << 16) +
((int)(info->contrast * factor) & 0xFFFF);
if (ioctl(f,MGA_VID_SET_LUMA,luma)) {
perror("Error in mga_vid_config ioctl()");
printf("Could not set luma values in the kernel module!\n");
return -1;
}
return 0;
}
static int mga_get_video_eq( vidix_video_eq_t *info)
{
uint32_t luma;
float factor = 2000.0 / 256;
if (ioctl(f,MGA_VID_GET_LUMA,&luma)) {
perror("Error in mga_vid_config ioctl()");
printf("Could not get luma values from the kernel module!\n");
return -1;
}
info->brightness = (luma >> 16) * factor;
info->cap |= VEQ_CAP_BRIGHTNESS;
info->contrast = (luma & 0xFFFF) * factor;
info->cap |= VEQ_CAP_CONTRAST;
return 0;
}
//static void
//write_slice_g200(uint8_t *y,uint8_t *cr, uint8_t *cb,uint32_t slice_num)
static void
draw_slice_g200(uint8_t *image[], int stride[], int width,int height,int x,int y)
{
uint8_t *src;
uint8_t *src2;
uint8_t *dest;
uint32_t bespitch,h,w;
bespitch = (mga_vid_config.src_width + 31) & ~31;
dest = vid_data + bespitch*y + x;
mem2agpcpy_pic(dest, image[0], width, height, bespitch, stride[0]);
width/=2;height/=2;x/=2;y/=2;
dest = vid_data + bespitch*mga_vid_config.src_height + bespitch*y + 2*x;
src = image[1];
src2 = image[2];
for(h=0; h < height; h++)
{
#ifdef HAVE_MMX
asm(
"xorl %%eax, %%eax \n\t"
"1: \n\t"
PREFETCH" 64(%1, %%eax) \n\t"
PREFETCH" 64(%2, %%eax) \n\t"
"movq (%1, %%eax), %%mm0 \n\t"
"movq 8(%1, %%eax), %%mm2 \n\t"
"movq %%mm0, %%mm1 \n\t"
"movq %%mm2, %%mm3 \n\t"
"movq (%2, %%eax), %%mm4 \n\t"
"movq 8(%2, %%eax), %%mm5 \n\t"
"punpcklbw %%mm4, %%mm0 \n\t"
"punpckhbw %%mm4, %%mm1 \n\t"
"punpcklbw %%mm5, %%mm2 \n\t"
"punpckhbw %%mm5, %%mm3 \n\t"
MOVNTQ" %%mm0, (%0, %%eax, 2) \n\t"
MOVNTQ" %%mm1, 8(%0, %%eax, 2) \n\t"
MOVNTQ" %%mm2, 16(%0, %%eax, 2) \n\t"
MOVNTQ" %%mm3, 24(%0, %%eax, 2) \n\t"
"addl $16, %%eax \n\t"
"cmpl %3, %%eax \n\t"
" jb 1b \n\t"
::"r"(dest), "r"(src), "r"(src2), "r" (width-15)
: "memory", "%eax"
);
for(w= (width&(~15)); w < width; w++)
{
dest[2*w+0] = src[w];
dest[2*w+1] = src2[w];
}
#else
for(w=0; w < width; w++)
{
dest[2*w+0] = src[w];
dest[2*w+1] = src2[w];
}
#endif
dest += bespitch;
src += stride[1];
src2+= stride[2];
}
#ifdef HAVE_MMX
asm(
EMMS" \n\t"
SFENCE" \n\t"
::: "memory"
);
#endif
}
static void
draw_slice_g400(uint8_t *image[], int stride[], int w,int h,int x,int y)
{
uint8_t *src;
uint8_t *dest;
uint32_t bespitch,bespitch2;
int i;
bespitch = (mga_vid_config.src_width + 31) & ~31;
bespitch2 = bespitch/2;
dest = vid_data + bespitch * y + x;
mem2agpcpy_pic(dest, image[0], w, h, bespitch, stride[0]);
w/=2;h/=2;x/=2;y/=2;
dest = vid_data + bespitch*mga_vid_config.src_height + bespitch2 * y + x;
mem2agpcpy_pic(dest, image[1], w, h, bespitch2, stride[1]);
dest = vid_data + bespitch*mga_vid_config.src_height
+ bespitch*mga_vid_config.src_height / 4
+ bespitch2 * y + x;
mem2agpcpy_pic(dest, image[2], w, h, bespitch2, stride[2]);
}
static uint32_t
draw_slice(uint8_t *src[], int stride[], int w,int h,int x,int y)
{
#if 0
printf("vo: %p/%d %p/%d %p/%d %dx%d/%d;%d \n",
src[0],stride[0],
src[1],stride[1],
src[2],stride[2],
w,h,x,y);
#endif
if (mga_vid_config.card_type == MGA_G200)
draw_slice_g200(src,stride,w,h,x,y);
else
draw_slice_g400(src,stride,w,h,x,y);
return 0;
}
static void
vo_mga_flip_page(void)
{
// printf("-- flip to %d --\n",mga_next_frame);
#if 1
ioctl(f,MGA_VID_FSEL,&mga_next_frame);
mga_next_frame=(mga_next_frame+1)%mga_vid_config.num_frames;
vid_data=frames[mga_next_frame];
#endif
}
static void
write_frame_yuy2(uint8_t *y)
{
int len=2*mga_vid_config.src_width;
uint32_t bespitch = (mga_vid_config.src_width + 31) & ~31;
mem2agpcpy_pic(vid_data, y, len, mga_vid_config.src_height, 2*bespitch, len);
}
static uint32_t
draw_frame(uint8_t *src[])
{
switch(mga_vid_config.format){
case MGA_VID_FORMAT_YUY2:
case MGA_VID_FORMAT_UYVY:
write_frame_yuy2(src[0]);break;
}
return 0;
}
static uint32_t
get_image(mp_image_t *mpi){
uint32_t bespitch = (mga_vid_config.src_width + 31) & ~31;
uint32_t bespitch2 = bespitch/2;
// printf("mga: get_image() called\n");
if(mpi->type==MP_IMGTYPE_STATIC && mga_vid_config.num_frames>1) return VO_FALSE; // it is not static
if(mpi->flags&MP_IMGFLAG_READABLE) return VO_FALSE; // slow video ram
// printf("width=%d vs. bespitch=%d, flags=0x%X \n",mpi->width,bespitch,mpi->flags);
if((mpi->width==bespitch) ||
(mpi->flags&(MP_IMGFLAG_ACCEPT_STRIDE|MP_IMGFLAG_ACCEPT_WIDTH))){
// we're lucky or codec accepts stride => ok, let's go!
if(mpi->flags&MP_IMGFLAG_PLANAR){
mpi->planes[0]=vid_data;
mpi->planes[1]=vid_data + bespitch*mga_vid_config.src_height;
mpi->planes[2]=vid_data + bespitch*mga_vid_config.src_height
+ bespitch*mga_vid_config.src_height / 4;
mpi->width=mpi->stride[0]=bespitch;
mpi->stride[1]=mpi->stride[2]=bespitch2;
} else {
mpi->planes[0]=vid_data;
mpi->width=bespitch;
mpi->stride[0]=mpi->width*(mpi->bpp/8);
}
mpi->flags|=MP_IMGFLAG_DIRECT;
// printf("mga: get_image() SUCCESS -> Direct Rendering ENABLED\n");
return VO_TRUE;
}
return VO_FALSE;
}
static uint32_t
query_format(uint32_t format)
{
switch(format){
case IMGFMT_YV12:
case IMGFMT_I420:
case IMGFMT_IYUV:
case IMGFMT_YUY2:
case IMGFMT_UYVY:
// case IMGFMT_RGB|24:
// case IMGFMT_BGR|24:
return 1;
}
return 0;
}
static void query_vaa(vo_vaa_t *vaa)
{
memset(vaa,0,sizeof(vo_vaa_t));
vaa->get_video_eq = mga_get_video_eq;
vaa->set_video_eq = mga_set_video_eq;
}
static uint32_t control(uint32_t request, void *data, ...)
{
switch (request) {
case VOCTRL_QUERY_VAA:
query_vaa((vo_vaa_t*)data);
return VO_TRUE;
case VOCTRL_QUERY_FORMAT:
return query_format(*((uint32_t*)data));
case VOCTRL_GET_IMAGE:
return get_image(data);
#ifdef VO_XMGA
case VOCTRL_FULLSCREEN:
vo_x11_fullscreen();
return VO_TRUE;
#endif
}
return VO_NOTIMPL;
}
static int mga_init(){
char *frame_mem;
mga_vid_config.num_frames=4;
mga_vid_config.version=MGA_VID_VERSION;
if (ioctl(f,MGA_VID_CONFIG,&mga_vid_config))
{
perror("Error in mga_vid_config ioctl()");
printf("Your mga_vid driver version is incompatible with this MPlayer version!\n");
return -1;
}
ioctl(f,MGA_VID_ON,0);
frames[0] = (char*)mmap(0,mga_vid_config.frame_size*mga_vid_config.num_frames,PROT_WRITE,MAP_SHARED,f,0);
frames[1] = frames[0] + 1*mga_vid_config.frame_size;
frames[2] = frames[0] + 2*mga_vid_config.frame_size;
frames[3] = frames[0] + 3*mga_vid_config.frame_size;
mga_next_frame = 0;
vid_data = frames[mga_next_frame];
//clear the buffer
memset(frames[0],0x80,mga_vid_config.frame_size*mga_vid_config.num_frames);
return 0;
}
static int mga_uninit(){
ioctl( f,MGA_VID_OFF,0 );
munmap(frames[0],mga_vid_config.frame_size*mga_vid_config.num_frames);
close(f);
}
static uint32_t preinit(const char *arg)
{
return 0;
}
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