mirror of
https://github.com/mpv-player/mpv
synced 2024-12-29 10:32:15 +00:00
101 lines
2.4 KiB
C
101 lines
2.4 KiB
C
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#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 "../config.h"
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#include "../mp_msg.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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struct vf_priv_s {
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int csp;
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};
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//===========================================================================//
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static int config(struct vf_instance_s* vf,
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int width, int height, int d_width, int d_height,
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unsigned int flags, unsigned int outfmt){
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return vf_next_config(vf, width, height, d_width, d_height, flags, outfmt);
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}
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static inline int clamp_y(int x){
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return (x > 235) ? 235 : (x < 16) ? 16 : x;
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}
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static inline int clamp_c(int x){
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return (x > 240) ? 240 : (x < 16) ? 16 : x;
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}
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static int put_image(struct vf_instance_s* vf, mp_image_t *mpi){
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int i,j;
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uint8_t *y_in, *cb_in, *cr_in;
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uint8_t *y_out, *cb_out, *cr_out;
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vf->dmpi=vf_get_image(vf->next,mpi->imgfmt,
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MP_IMGTYPE_TEMP, MP_IMGFLAG_ACCEPT_STRIDE,
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mpi->width, mpi->height);
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y_in = mpi->planes[0];
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cb_in = mpi->planes[1];
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cr_in = mpi->planes[2];
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y_out = vf->dmpi->planes[0];
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cb_out = vf->dmpi->planes[1];
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cr_out = vf->dmpi->planes[2];
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for (i = 0; i < mpi->height; i++)
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for (j = 0; j < mpi->width; j++)
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y_out[i*vf->dmpi->stride[0]+j] = clamp_y(y_in[i*mpi->stride[0]+j]);
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for (i = 0; i < mpi->chroma_height; i++)
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for (j = 0; j < mpi->chroma_width; j++)
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{
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cb_out[i*vf->dmpi->stride[1]+j] = clamp_c(cb_in[i*mpi->stride[1]+j]);
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cr_out[i*vf->dmpi->stride[2]+j] = clamp_c(cr_in[i*mpi->stride[2]+j]);
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}
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return vf_next_put_image(vf,vf->dmpi);
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}
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//===========================================================================//
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static void uninit(struct vf_instance_s* vf){
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free(vf->priv);
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}
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static int query_format(struct vf_instance_s* vf, unsigned int fmt){
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switch(fmt){
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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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return 1;
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}
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return 0;
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}
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static int open(vf_instance_t *vf, char* args){
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vf->config=config;
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vf->put_image=put_image;
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// vf->uninit=uninit;
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vf->query_format=query_format;
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// vf->priv=calloc(1, sizeof(struct vf_priv_s));
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// if (args)
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// vf->priv->csp = atoi(args);
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return 1;
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}
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vf_info_t vf_info_yuvcsp = {
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"yuv colorspace converter",
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"yuvcsp",
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"Alex Beregszaszi",
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"",
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open,
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NULL
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};
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//===========================================================================//
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