mirror of
https://github.com/mpv-player/mpv
synced 2024-11-11 00:15:33 +01:00
33b62af947
Syntax is we decided, so you can give the nomes or not with both vop and vf. vf take precedence over vop. git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@9594 b3059339-0415-0410-9bf9-f77b7e298cf2
469 lines
10 KiB
C
469 lines
10 KiB
C
/*
|
|
* vf_eq2.c
|
|
*
|
|
* Software equalizer (brightness, contrast, gamma, saturation)
|
|
*
|
|
* Hampa Hug <hampa@hampa.ch> (original LUT gamma/contrast/brightness filter)
|
|
* Daniel Moreno <comac@comac.darktech.org> (saturation, R/G/B gamma support)
|
|
* Richard Felker (original MMX contrast/brightness code (vf_eq.c))
|
|
*/
|
|
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
#include <string.h>
|
|
#include <math.h>
|
|
|
|
#include "config.h"
|
|
#include "mp_msg.h"
|
|
#include "cpudetect.h"
|
|
|
|
#include "img_format.h"
|
|
#include "mp_image.h"
|
|
#include "vf.h"
|
|
|
|
#ifdef USE_SETLOCALE
|
|
#include <locale.h>
|
|
#endif
|
|
|
|
|
|
/* Per channel parameters */
|
|
typedef struct eq2_param_t {
|
|
unsigned char lut[256];
|
|
int lut_clean;
|
|
|
|
void (*adjust) (struct eq2_param_t *par, unsigned char *dst, unsigned char *src,
|
|
unsigned w, unsigned h, unsigned dstride, unsigned sstride);
|
|
|
|
double c;
|
|
double b;
|
|
double g;
|
|
} eq2_param_t;
|
|
|
|
typedef struct vf_priv_s {
|
|
eq2_param_t param[3];
|
|
|
|
double contrast;
|
|
double brightness;
|
|
double saturation;
|
|
|
|
double gamma;
|
|
double rgamma;
|
|
double ggamma;
|
|
double bgamma;
|
|
|
|
unsigned buf_w[3];
|
|
unsigned buf_h[3];
|
|
unsigned char *buf[3];
|
|
} vf_eq2_t;
|
|
|
|
|
|
static
|
|
void create_lut (eq2_param_t *par)
|
|
{
|
|
unsigned i;
|
|
double g, v;
|
|
|
|
g = par->g;
|
|
|
|
if ((g < 0.001) || (g > 1000.0)) {
|
|
g = 1.0;
|
|
}
|
|
|
|
g = 1.0 / g;
|
|
|
|
for (i = 0; i < 256; i++) {
|
|
v = (double) i / 255.0;
|
|
v = par->c * (v - 0.5) + 0.5 + par->b;
|
|
|
|
if (v <= 0.0) {
|
|
par->lut[i] = 0;
|
|
}
|
|
else {
|
|
v = pow (v, g);
|
|
|
|
if (v >= 1.0) {
|
|
par->lut[i] = 255;
|
|
}
|
|
else {
|
|
par->lut[i] = (unsigned char) (256.0 * v);
|
|
}
|
|
}
|
|
}
|
|
|
|
par->lut_clean = 1;
|
|
}
|
|
|
|
#ifdef HAVE_MMX
|
|
static
|
|
void affine_1d_MMX (eq2_param_t *par, unsigned char *dst, unsigned char *src,
|
|
unsigned w, unsigned h, unsigned dstride, unsigned sstride)
|
|
{
|
|
unsigned i;
|
|
int contrast, brightness;
|
|
unsigned dstep, sstep;
|
|
int pel;
|
|
short brvec[4];
|
|
short contvec[4];
|
|
|
|
// printf("\nmmx: src=%p dst=%p w=%d h=%d ds=%d ss=%d\n",src,dst,w,h,dstride,sstride);
|
|
|
|
contrast = (int) (par->c * 256 * 16);
|
|
brightness = ((int) (100.0 * par->b + 100.0) * 511) / 200 - 128 - contrast / 32;
|
|
|
|
brvec[0] = brvec[1] = brvec[2] = brvec[3] = brightness;
|
|
contvec[0] = contvec[1] = contvec[2] = contvec[3] = contrast;
|
|
|
|
sstep = sstride - w;
|
|
dstep = dstride - w;
|
|
|
|
while (h-- > 0) {
|
|
asm volatile (
|
|
"movq (%5), %%mm3 \n\t"
|
|
"movq (%6), %%mm4 \n\t"
|
|
"pxor %%mm0, %%mm0 \n\t"
|
|
"movl %4, %%eax\n\t"
|
|
".balign 16 \n\t"
|
|
"1: \n\t"
|
|
"movq (%0), %%mm1 \n\t"
|
|
"movq (%0), %%mm2 \n\t"
|
|
"punpcklbw %%mm0, %%mm1 \n\t"
|
|
"punpckhbw %%mm0, %%mm2 \n\t"
|
|
"psllw $4, %%mm1 \n\t"
|
|
"psllw $4, %%mm2 \n\t"
|
|
"pmulhw %%mm4, %%mm1 \n\t"
|
|
"pmulhw %%mm4, %%mm2 \n\t"
|
|
"paddw %%mm3, %%mm1 \n\t"
|
|
"paddw %%mm3, %%mm2 \n\t"
|
|
"packuswb %%mm2, %%mm1 \n\t"
|
|
"addl $8, %0 \n\t"
|
|
"movq %%mm1, (%1) \n\t"
|
|
"addl $8, %1 \n\t"
|
|
"decl %%eax \n\t"
|
|
"jnz 1b \n\t"
|
|
: "=r" (src), "=r" (dst)
|
|
: "0" (src), "1" (dst), "r" (w >> 3), "r" (brvec), "r" (contvec)
|
|
: "%eax"
|
|
);
|
|
|
|
for (i = w & 7; i > 0; i--) {
|
|
pel = ((*src++ * contrast) >> 12) + brightness;
|
|
if (pel & 768) {
|
|
pel = (-pel) >> 31;
|
|
}
|
|
*dst++ = pel;
|
|
}
|
|
|
|
src += sstep;
|
|
dst += dstep;
|
|
}
|
|
|
|
asm volatile ( "emms \n\t" ::: "memory" );
|
|
}
|
|
#endif
|
|
|
|
static
|
|
void apply_lut (eq2_param_t *par, unsigned char *dst, unsigned char *src,
|
|
unsigned w, unsigned h, unsigned dstride, unsigned sstride)
|
|
{
|
|
unsigned i, j;
|
|
unsigned char *lut;
|
|
|
|
if (!par->lut_clean) {
|
|
create_lut (par);
|
|
}
|
|
|
|
lut = par->lut;
|
|
|
|
for (j = 0; j < h; j++) {
|
|
for (i = 0; i < w; i++) {
|
|
dst[i] = lut[src[i]];
|
|
}
|
|
|
|
src += sstride;
|
|
dst += dstride;
|
|
}
|
|
}
|
|
|
|
static
|
|
int put_image (vf_instance_t *vf, mp_image_t *src)
|
|
{
|
|
unsigned i;
|
|
vf_eq2_t *eq2;
|
|
mp_image_t *dst;
|
|
unsigned long img_n,img_c;
|
|
|
|
eq2 = vf->priv;
|
|
|
|
if ((eq2->buf_w[0] != src->w) || (eq2->buf_h[0] != src->h)) {
|
|
eq2->buf_w[0] = src->w;
|
|
eq2->buf_h[0] = src->h;
|
|
eq2->buf_w[1] = eq2->buf_w[2] = src->w >> src->chroma_x_shift;
|
|
eq2->buf_h[1] = eq2->buf_h[2] = src->h >> src->chroma_y_shift;
|
|
img_n = eq2->buf_w[0]*eq2->buf_h[0];
|
|
if(src->num_planes>1){
|
|
img_c = eq2->buf_w[1]*eq2->buf_h[1];
|
|
eq2->buf[0] = (unsigned char *) realloc (eq2->buf[0], img_n + 2*img_c);
|
|
eq2->buf[1] = eq2->buf[0] + img_n;
|
|
eq2->buf[2] = eq2->buf[1] + img_c;
|
|
} else
|
|
eq2->buf[0] = (unsigned char *) realloc (eq2->buf[0], img_n);
|
|
}
|
|
|
|
dst = vf_get_image (vf->next, src->imgfmt, MP_IMGTYPE_EXPORT, 0, src->w, src->h);
|
|
|
|
for (i = 0; i < ((src->num_planes>1)?3:1); i++) {
|
|
if (eq2->param[i].adjust != NULL) {
|
|
dst->planes[i] = eq2->buf[i];
|
|
dst->stride[i] = eq2->buf_w[i];
|
|
|
|
eq2->param[i].adjust (&eq2->param[i], dst->planes[i], src->planes[i],
|
|
eq2->buf_w[i], eq2->buf_h[i], dst->stride[i], src->stride[i]);
|
|
}
|
|
else {
|
|
dst->planes[i] = src->planes[i];
|
|
dst->stride[i] = src->stride[i];
|
|
}
|
|
}
|
|
|
|
return vf_next_put_image (vf, dst);
|
|
}
|
|
|
|
static
|
|
void check_values (eq2_param_t *par)
|
|
{
|
|
/* yuck! floating point comparisons... */
|
|
|
|
if ((par->c == 1.0) && (par->b == 0.0) && (par->g == 1.0)) {
|
|
par->adjust = NULL;
|
|
}
|
|
#ifdef HAVE_MMX
|
|
else if (par->g == 1.0 && gCpuCaps.hasMMX) {
|
|
par->adjust = &affine_1d_MMX;
|
|
}
|
|
#endif
|
|
else {
|
|
par->adjust = &apply_lut;
|
|
}
|
|
}
|
|
|
|
static
|
|
void print_values (vf_eq2_t *eq2)
|
|
{
|
|
mp_msg (MSGT_VFILTER, MSGL_V, "vf_eq2: c=%.2f b=%.2f g=%.4f s=%.2f \n",
|
|
eq2->contrast, eq2->brightness, eq2->gamma, eq2->saturation
|
|
);
|
|
}
|
|
|
|
static
|
|
void set_contrast (vf_eq2_t *eq2, double c)
|
|
{
|
|
eq2->contrast = c;
|
|
eq2->param[0].c = c;
|
|
eq2->param[0].lut_clean = 0;
|
|
check_values (&eq2->param[0]);
|
|
print_values (eq2);
|
|
}
|
|
|
|
static
|
|
void set_brightness (vf_eq2_t *eq2, double b)
|
|
{
|
|
eq2->brightness = b;
|
|
eq2->param[0].b = b;
|
|
eq2->param[0].lut_clean = 0;
|
|
check_values (&eq2->param[0]);
|
|
print_values (eq2);
|
|
}
|
|
|
|
static
|
|
void set_gamma (vf_eq2_t *eq2, double g)
|
|
{
|
|
eq2->gamma = g;
|
|
|
|
eq2->param[0].g = eq2->gamma * eq2->ggamma;
|
|
eq2->param[1].g = sqrt (eq2->bgamma / eq2->ggamma);
|
|
eq2->param[2].g = sqrt (eq2->rgamma / eq2->ggamma);
|
|
|
|
eq2->param[0].lut_clean = 0;
|
|
eq2->param[1].lut_clean = 0;
|
|
eq2->param[2].lut_clean = 0;
|
|
|
|
check_values (&eq2->param[0]);
|
|
check_values (&eq2->param[1]);
|
|
check_values (&eq2->param[2]);
|
|
|
|
print_values (eq2);
|
|
}
|
|
|
|
static
|
|
void set_saturation (vf_eq2_t *eq2, double s)
|
|
{
|
|
eq2->saturation = s;
|
|
|
|
eq2->param[1].c = s;
|
|
eq2->param[2].c = s;
|
|
|
|
eq2->param[1].lut_clean = 0;
|
|
eq2->param[2].lut_clean = 0;
|
|
|
|
check_values (&eq2->param[1]);
|
|
check_values (&eq2->param[2]);
|
|
|
|
print_values (eq2);
|
|
}
|
|
|
|
static
|
|
int control (vf_instance_t *vf, int request, void *data)
|
|
{
|
|
vf_equalizer_t *eq;
|
|
|
|
switch (request) {
|
|
case VFCTRL_SET_EQUALIZER:
|
|
eq = (vf_equalizer_t *) data;
|
|
|
|
if (strcmp (eq->item, "gamma") == 0) {
|
|
set_gamma (vf->priv, exp (log (8.0) * eq->value / 100.0));
|
|
return CONTROL_TRUE;
|
|
}
|
|
else if (strcmp (eq->item, "contrast") == 0) {
|
|
set_contrast (vf->priv, (1.0 / 100.0) * (eq->value + 100));
|
|
return CONTROL_TRUE;
|
|
}
|
|
else if (strcmp (eq->item, "brightness") == 0) {
|
|
set_brightness (vf->priv, (1.0 / 100.0) * eq->value);
|
|
return CONTROL_TRUE;
|
|
}
|
|
else if (strcmp (eq->item, "saturation") == 0) {
|
|
set_saturation (vf->priv, (double) (eq->value + 100) / 100.0);
|
|
return CONTROL_TRUE;
|
|
}
|
|
break;
|
|
|
|
case VFCTRL_GET_EQUALIZER:
|
|
eq = (vf_equalizer_t *) data;
|
|
if (strcmp (eq->item, "gamma") == 0) {
|
|
eq->value = (int) (100.0 * log (vf->priv->gamma) / log (8.0));
|
|
return CONTROL_TRUE;
|
|
}
|
|
else if (strcmp (eq->item, "contrast") == 0) {
|
|
eq->value = (int) (100.0 * vf->priv->contrast) - 100;
|
|
return CONTROL_TRUE;
|
|
}
|
|
else if (strcmp (eq->item, "brightness") == 0) {
|
|
eq->value = (int) (100.0 * vf->priv->brightness);
|
|
return CONTROL_TRUE;
|
|
}
|
|
else if (strcmp (eq->item, "saturation") == 0) {
|
|
eq->value = (int) (100.0 * vf->priv->saturation) - 100;
|
|
return CONTROL_TRUE;
|
|
}
|
|
break;
|
|
}
|
|
|
|
return vf_next_control (vf, request, data);
|
|
}
|
|
|
|
static
|
|
int query_format (vf_instance_t *vf, unsigned fmt)
|
|
{
|
|
switch (fmt) {
|
|
case IMGFMT_YVU9:
|
|
case IMGFMT_IF09:
|
|
case IMGFMT_YV12:
|
|
case IMGFMT_I420:
|
|
case IMGFMT_IYUV:
|
|
case IMGFMT_Y800:
|
|
case IMGFMT_Y8:
|
|
case IMGFMT_444P:
|
|
case IMGFMT_422P:
|
|
case IMGFMT_411P:
|
|
return vf_next_query_format (vf, fmt);
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static
|
|
void uninit (vf_instance_t *vf)
|
|
{
|
|
if (vf->priv != NULL) {
|
|
free (vf->priv->buf[0]);
|
|
free (vf->priv);
|
|
}
|
|
}
|
|
|
|
static
|
|
int open (vf_instance_t *vf, char *args)
|
|
{
|
|
unsigned i;
|
|
vf_eq2_t *eq2;
|
|
double par[7];
|
|
|
|
vf->control = control;
|
|
vf->query_format = query_format;
|
|
vf->put_image = put_image;
|
|
vf->uninit = uninit;
|
|
|
|
vf->priv = (vf_eq2_t *) malloc (sizeof (vf_eq2_t));
|
|
eq2 = vf->priv;
|
|
|
|
for (i = 0; i < 3; i++) {
|
|
eq2->buf[i] = NULL;
|
|
eq2->buf_w[i] = 0;
|
|
eq2->buf_h[i] = 0;
|
|
|
|
eq2->param[i].adjust = NULL;
|
|
eq2->param[i].c = 1.0;
|
|
eq2->param[i].b = 0.0;
|
|
eq2->param[i].g = 1.0;
|
|
eq2->param[i].lut_clean = 0;
|
|
}
|
|
|
|
eq2->contrast = 1.0;
|
|
eq2->brightness = 0.0;
|
|
eq2->saturation = 1.0;
|
|
|
|
eq2->gamma = 1.0;
|
|
eq2->rgamma = 1.0;
|
|
eq2->ggamma = 1.0;
|
|
eq2->bgamma = 1.0;
|
|
|
|
if (args != NULL) {
|
|
par[0] = 1.0;
|
|
par[1] = 1.0;
|
|
par[2] = 0.0;
|
|
par[3] = 1.0;
|
|
par[4] = 1.0;
|
|
par[5] = 1.0;
|
|
par[6] = 1.0;
|
|
#ifdef USE_SETLOCALE
|
|
setlocale (LC_NUMERIC, "C");
|
|
#endif
|
|
sscanf (args, "%lf:%lf:%lf:%lf:%lf:%lf:%lf",
|
|
par, par + 1, par + 2, par + 3, par + 4, par + 5, par + 6
|
|
);
|
|
#ifdef USE_SETLOCALE
|
|
setlocale (LC_NUMERIC, "");
|
|
#endif
|
|
|
|
eq2->rgamma = par[4];
|
|
eq2->ggamma = par[5];
|
|
eq2->bgamma = par[6];
|
|
|
|
set_gamma (eq2, par[0]);
|
|
set_contrast (eq2, par[1]);
|
|
set_brightness (eq2, par[2]);
|
|
set_saturation (eq2, par[3]);
|
|
}
|
|
|
|
return 1;
|
|
}
|
|
|
|
vf_info_t vf_info_eq2 = {
|
|
"Software equalizer",
|
|
"eq2",
|
|
"Hampa Hug, Daniel Moreno, Richard Felker",
|
|
"",
|
|
&open,
|
|
NULL
|
|
};
|