mirror of
https://github.com/mpv-player/mpv
synced 2024-12-25 00:02:13 +00:00
0e757bf9da
Since the names are always used after the keyword "struct" having a suffix as in "struct demuxer_st" is almost completely pointless.
193 lines
4.4 KiB
C
193 lines
4.4 KiB
C
#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <inttypes.h>
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#include <math.h>
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#include "config.h"
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#include "mp_msg.h"
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#include "cpudetect.h"
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#include "img_format.h"
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#include "mp_image.h"
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#include "vf.h"
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#include "libvo/video_out.h"
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#include "m_option.h"
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#include "m_struct.h"
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static struct vf_priv_s {
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uint8_t *buf[2];
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float hue;
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float saturation;
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} const vf_priv_dflt = {
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{NULL, NULL},
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0.0,
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1.0,
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};
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static void process_C(uint8_t *udst, uint8_t *vdst, uint8_t *usrc, uint8_t *vsrc, int dststride, int srcstride,
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int w, int h, float hue, float sat)
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{
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int i;
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const int s= rint(sin(hue) * (1<<16) * sat);
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const int c= rint(cos(hue) * (1<<16) * sat);
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while (h--) {
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for (i = 0; i<w; i++)
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{
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const int u= usrc[i] - 128;
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const int v= vsrc[i] - 128;
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int new_u= (c*u - s*v + (1<<15) + (128<<16))>>16;
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int new_v= (s*u + c*v + (1<<15) + (128<<16))>>16;
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if(new_u & 768) new_u= (-new_u)>>31;
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if(new_v & 768) new_v= (-new_v)>>31;
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udst[i]= new_u;
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vdst[i]= new_v;
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}
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usrc += srcstride;
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vsrc += srcstride;
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udst += dststride;
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vdst += dststride;
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}
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}
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static void (*process)(uint8_t *udst, uint8_t *vdst, uint8_t *usrc, uint8_t *vsrc, int dststride, int srcstride,
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int w, int h, float hue, float sat);
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/* FIXME: add packed yuv version of process */
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static int put_image(struct vf_instance* vf, mp_image_t *mpi, double pts)
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{
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mp_image_t *dmpi;
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dmpi=vf_get_image(vf->next, mpi->imgfmt,
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MP_IMGTYPE_EXPORT, 0,
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mpi->w, mpi->h);
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dmpi->planes[0] = mpi->planes[0];
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dmpi->stride[0] = mpi->stride[0];
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dmpi->stride[1] = mpi->stride[1];
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dmpi->stride[2] = mpi->stride[2];
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if (!vf->priv->buf[0]){
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vf->priv->buf[0] = malloc(mpi->stride[1]*mpi->h >> mpi->chroma_y_shift);
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vf->priv->buf[1] = malloc(mpi->stride[2]*mpi->h >> mpi->chroma_y_shift);
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}
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if (vf->priv->hue == 0 && vf->priv->saturation == 1){
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dmpi->planes[1] = mpi->planes[1];
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dmpi->planes[2] = mpi->planes[2];
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}else {
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dmpi->planes[1] = vf->priv->buf[0];
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dmpi->planes[2] = vf->priv->buf[1];
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process(dmpi->planes[1], dmpi->planes[2],
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mpi->planes[1], mpi->planes[2],
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dmpi->stride[1],mpi->stride[1],
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mpi->w>> mpi->chroma_x_shift, mpi->h>> mpi->chroma_y_shift,
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vf->priv->hue, vf->priv->saturation);
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}
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return vf_next_put_image(vf,dmpi, pts);
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}
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static int control(struct vf_instance* vf, int request, void* data)
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{
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vf_equalizer_t *eq;
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switch (request) {
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case VFCTRL_SET_EQUALIZER:
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eq = data;
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if (!strcmp(eq->item,"hue")) {
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vf->priv->hue = eq->value * M_PI / 100;
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return CONTROL_TRUE;
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} else if (!strcmp(eq->item,"saturation")) {
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vf->priv->saturation = (eq->value + 100)/100.0;
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return CONTROL_TRUE;
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}
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break;
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case VFCTRL_GET_EQUALIZER:
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eq = data;
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if (!strcmp(eq->item,"hue")) {
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eq->value = rint(vf->priv->hue *100 / M_PI);
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return CONTROL_TRUE;
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}else if (!strcmp(eq->item,"saturation")) {
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eq->value = rint(vf->priv->saturation*100 - 100);
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return CONTROL_TRUE;
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}
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break;
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}
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return vf_next_control(vf, request, data);
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}
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static int query_format(struct vf_instance* vf, unsigned int fmt)
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{
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switch (fmt) {
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case IMGFMT_YVU9:
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case IMGFMT_IF09:
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case IMGFMT_YV12:
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case IMGFMT_I420:
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case IMGFMT_IYUV:
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case IMGFMT_CLPL:
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case IMGFMT_444P:
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case IMGFMT_422P:
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case IMGFMT_411P:
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return vf_next_query_format(vf, fmt);
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}
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return 0;
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}
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static void uninit(struct vf_instance* vf)
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{
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if (vf->priv->buf[0]) free(vf->priv->buf[0]);
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if (vf->priv->buf[1]) free(vf->priv->buf[1]);
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free(vf->priv);
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}
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static int open(vf_instance_t *vf, char* args)
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{
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vf->control=control;
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vf->query_format=query_format;
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vf->put_image=put_image;
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vf->uninit=uninit;
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if(!vf->priv) {
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vf->priv = malloc(sizeof(struct vf_priv_s));
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memset(vf->priv, 0, sizeof(struct vf_priv_s));
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}
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if (args) sscanf(args, "%f:%f", &vf->priv->hue, &vf->priv->saturation);
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vf->priv->hue *= M_PI / 180.0;
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process = process_C;
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#ifdef HAVE_MMXX
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if(gCpuCaps.hasMMX) process = process_MMX;
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#endif
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return 1;
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}
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#define ST_OFF(f) M_ST_OFF(struct vf_priv_s,f)
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static m_option_t vf_opts_fields[] = {
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{"hue", ST_OFF(hue), CONF_TYPE_FLOAT, M_OPT_RANGE,-180.0 ,180.0, NULL},
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{"saturation", ST_OFF(saturation), CONF_TYPE_FLOAT, M_OPT_RANGE,-10.0 ,10.0, NULL},
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{ NULL, NULL, 0, 0, 0, 0, NULL }
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};
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static m_struct_t vf_opts = {
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"hue",
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sizeof(struct vf_priv_s),
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&vf_priv_dflt,
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vf_opts_fields
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};
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const vf_info_t vf_info_hue = {
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"hue changer",
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"hue",
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"Michael Niedermayer",
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"",
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open,
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&vf_opts
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};
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