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equalizer support 

git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@16381 b3059339-0415-0410-9bf9-f77b7e298cf2
This commit is contained in:
reimar 2005-09-03 19:31:10 +00:00
parent 4e4f3f806e
commit 1626e98dd9
1 changed files with 44 additions and 2 deletions
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46
vidix/drivers/nvidia_vid.c
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@ -13,6 +13,7 @@
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <math.h>
#include <inttypes.h>
#include <unistd.h>
@ -61,6 +62,14 @@ unsigned int vixGetVersion(void){
#define NV_ARCH_20 0x20
#define NV_ARCH_30 0x30
// since no useful information whatsoever is passed
// to the equalizer functions we need this
static struct {
uint32_t lum; // luminance (brightness + contrast)
uint32_t chrom; // chrominance (saturation + hue)
vidix_video_eq_t vals;
} eq;
struct nvidia_cards {
unsigned short chip_id;
unsigned short arch;
@ -556,10 +565,10 @@ void rivatv_overlay_start (struct rivatv_info *info,int bufno){
}
/* NV_PVIDEO_LUMINANCE */
VID_WR32 (info->chip.PVIDEO, 0x910 + 0, 0x00001000);
VID_WR32 (info->chip.PVIDEO, 0x910 + 0, eq.lum);
//VID_WR32 (info->chip.PVIDEO, 0x910 + 4, 0x00001000);
/* NV_PVIDEO_CHROMINANCE */
VID_WR32 (info->chip.PVIDEO, 0x918 + 0, 0x00001000);
VID_WR32 (info->chip.PVIDEO, 0x918 + 0, eq.chrom);
//VID_WR32 (info->chip.PVIDEO, 0x918 + 4, 0x00001000);
/* NV_PVIDEO_OFFSET */
@ -755,6 +764,11 @@ int vixInit(void){
info->cur_frame = 0;
info->use_colorkey = 0;
eq.lum = 0x00001000;
eq.chrom = 0x00001000;
memset(&eq.vals, 0, sizeof(vidix_video_eq_t));
eq.vals.cap = VEQ_CAP_BRIGHTNESS | VEQ_CAP_CONTRAST |
VEQ_CAP_SATURATION | VEQ_CAP_HUE;
return 0;
}
@ -869,3 +883,31 @@ int vixPlaybackFrameSelect(unsigned int frame){
info->cur_frame = frame/*(frame+1)%info->num_frames*/;
return 0;
}
int vixPlaybackSetEq(const vidix_video_eq_t *eq_parm) {
double angle;
int16_t chrom_cos, chrom_sin;
vidix_video_eq_t new_eq;
vixPlaybackGetEq(&new_eq);
if (eq_parm->cap & VEQ_CAP_BRIGHTNESS)
new_eq.brightness = eq_parm->brightness;
if (eq_parm->cap & VEQ_CAP_CONTRAST)
new_eq.contrast = eq_parm->contrast;
if (eq_parm->cap & VEQ_CAP_SATURATION)
new_eq.saturation = eq_parm->saturation;
if (eq_parm->cap & VEQ_CAP_HUE)
new_eq.hue = eq_parm->hue;
eq.lum = (((new_eq.brightness * 512 + 500) / 1000) << 16) |
((((new_eq.contrast + 1000) * 8191 + 1000) / 2000) & 0xffff);
angle = (double)new_eq.hue / 1000.0 * 3.1415927;
chrom_cos = ((new_eq.saturation + 1000) * 8191 * cos(angle) + 1000) / 2000;
chrom_sin = ((new_eq.saturation + 1000) * 8191 * sin(angle) + 1000) / 2000;
eq.chrom = chrom_sin << 16 | chrom_cos;
return 0;
}
int vixPlaybackGetEq(vidix_video_eq_t *eq_parm) {
memcpy(eq_parm, &eq.vals, sizeof(vidix_video_eq_t));
return 0;
}