2 * This file is part of MPlayer.
4 * MPlayer is free software; you can redistribute it and/or modify
5 * it under the terms of the GNU General Public License as published by
6 * the Free Software Foundation; either version 2 of the License, or
7 * (at your option) any later version.
9 * MPlayer is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 * GNU General Public License for more details.
14 * You should have received a copy of the GNU General Public License along
15 * with MPlayer; if not, write to the Free Software Foundation, Inc.,
16 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
27 #include "img_format.h"
35 //===========================================================================//
37 static int config(struct vf_instance *vf,
38 int width, int height, int d_width, int d_height,
39 unsigned int flags, unsigned int outfmt){
40 return vf_next_config(vf, width, height, d_width, d_height, flags, outfmt);
43 static inline int clamp_y(int x){
44 return (x > 235) ? 235 : (x < 16) ? 16 : x;
47 static inline int clamp_c(int x){
48 return (x > 240) ? 240 : (x < 16) ? 16 : x;
51 static int put_image(struct vf_instance *vf, mp_image_t *mpi, double pts){
53 uint8_t *y_in, *cb_in, *cr_in;
54 uint8_t *y_out, *cb_out, *cr_out;
56 vf->dmpi=vf_get_image(vf->next,mpi->imgfmt,
57 MP_IMGTYPE_TEMP, MP_IMGFLAG_ACCEPT_STRIDE,
58 mpi->width, mpi->height);
60 y_in = mpi->planes[0];
61 cb_in = mpi->planes[1];
62 cr_in = mpi->planes[2];
64 y_out = vf->dmpi->planes[0];
65 cb_out = vf->dmpi->planes[1];
66 cr_out = vf->dmpi->planes[2];
68 for (i = 0; i < mpi->height; i++)
69 for (j = 0; j < mpi->width; j++)
70 y_out[i*vf->dmpi->stride[0]+j] = clamp_y(y_in[i*mpi->stride[0]+j]);
72 for (i = 0; i < mpi->chroma_height; i++)
73 for (j = 0; j < mpi->chroma_width; j++)
75 cb_out[i*vf->dmpi->stride[1]+j] = clamp_c(cb_in[i*mpi->stride[1]+j]);
76 cr_out[i*vf->dmpi->stride[2]+j] = clamp_c(cr_in[i*mpi->stride[2]+j]);
79 return vf_next_put_image(vf,vf->dmpi, pts);
82 //===========================================================================//
85 static void uninit(struct vf_instance *vf){
90 static int query_format(struct vf_instance *vf, unsigned int fmt){
100 static int vf_open(vf_instance_t *vf, char *args){
102 vf->put_image=put_image;
103 // vf->uninit=uninit;
104 vf->query_format=query_format;
105 // vf->priv=calloc(1, sizeof(struct vf_priv_s));
107 // vf->priv->csp = atoi(args);
111 const vf_info_t vf_info_yuvcsp = {
112 "yuv colorspace converter",
120 //===========================================================================//