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eq fixed, based on patch by .so

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git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@6800 b3059339-0415-0410-9bf9-f77b7e298cf2
This commit is contained in:
arpi 2002-07-25 21:36:04 +00:00
parent 18e083f217
commit 205024fed1
1 changed files with 66 additions and 59 deletions
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125
libvo/mga_common.c
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@ -32,55 +32,6 @@ static void draw_alpha(int x0,int y0, int w,int h, unsigned char* src, unsigned
} }
} }
static int mga_set_video_eq( const vidix_video_eq_t *info)
{
uint32_t luma;
float factor = 256.0 / 2000;
static int prev_br = 0;
static int prev_c = 0;
if ( info->cap & VEQ_CAP_BRIGHTNESS )
{
prev_br=info->brightness;
if ( prev_br == 1000 ) prev_br=999; // i dunno why needed this line -- Pontscho
}
if ( info->cap & VEQ_CAP_CONTRAST )
{
prev_c=info->contrast;
if ( prev_c == 1000 ) prev_c=999; // i dunno why needed this line -- Pontscho
}
luma = ((int)(prev_br * factor) << 16) + ((int)(prev_c * 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 //static void
//write_slice_g200(uint8_t *y,uint8_t *cr, uint8_t *cb,uint32_t slice_num) //write_slice_g200(uint8_t *y,uint8_t *cr, uint8_t *cb,uint32_t slice_num)
@ -242,13 +193,6 @@ query_format(uint32_t format)
return 0; 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 void mga_fullscreen() static void mga_fullscreen()
{ {
uint32_t w,h; uint32_t w,h;
@ -277,13 +221,76 @@ static void mga_fullscreen()
static uint32_t control(uint32_t request, void *data, ...) static uint32_t control(uint32_t request, void *data, ...)
{ {
switch (request) { switch (request) {
case VOCTRL_QUERY_VAA:
query_vaa((vo_vaa_t*)data);
return VO_TRUE;
case VOCTRL_QUERY_FORMAT: case VOCTRL_QUERY_FORMAT:
return query_format(*((uint32_t*)data)); return query_format(*((uint32_t*)data));
case VOCTRL_GET_IMAGE: case VOCTRL_GET_IMAGE:
return get_image(data); return get_image(data);
case VOCTRL_SET_EQUALIZER:
{
va_list ap;
short value;
uint32_t luma,prev;
if ( strcmp( data,"brightness" ) && strcmp( data,"contrast" ) ) return VO_FALSE;
if (ioctl(f,MGA_VID_GET_LUMA,&prev)) {
perror("Error in mga_vid_config ioctl()");
printf("Could not get luma values from the kernel module!\n");
return VO_FALSE;
}
// printf("GET: 0x%4X 0x%4X \n",(prev>>16),(prev&0xffff));
va_start(ap, data);
value = va_arg(ap, int);
va_end(ap);
// printf("value: %d -> ",value);
value=((value+100)*255)/200-128; // maps -100=>-128 and +100=>127
// printf("%d \n",value);
if(!strcmp(data,"contrast"))
luma = (prev&0xFFFF0000)|(value&0xFFFF);
else
luma = (prev&0xFFFF)|(value<<16);
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 VO_FALSE;
}
return VO_TRUE;
}
case VOCTRL_GET_EQUALIZER:
{
va_list ap;
int * value;
short val;
uint32_t luma;
if ( strcmp( data,"brightness" ) && strcmp( data,"contrast" ) ) return VO_FALSE;
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 VO_FALSE;
}
if ( !strcmp( data,"contrast" ) )
val=(luma & 0xFFFF);
else
val=(luma >> 16);
va_start(ap, data);
value = va_arg(ap, int*);
va_end(ap);
*value = (val*200)/255;
return VO_TRUE;
}
#ifndef VO_XMGA #ifndef VO_XMGA
case VOCTRL_FULLSCREEN: case VOCTRL_FULLSCREEN: