| /* |
| * This file is part of MPlayer. |
| * |
| * MPlayer is free software; you can redistribute it and/or modify |
| * it under the terms of the GNU General Public License as published by |
| * the Free Software Foundation; either version 2 of the License, or |
| * (at your option) any later version. |
| * |
| * MPlayer is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| * GNU General Public License for more details. |
| * |
| * You should have received a copy of the GNU General Public License along |
| * with MPlayer; if not, write to the Free Software Foundation, Inc., |
| * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. |
| */ |
| |
| #include <stdio.h> |
| #include <stdlib.h> |
| #include <string.h> |
| #include <inttypes.h> |
| |
| #include "config.h" |
| #include "mp_msg.h" |
| |
| #include "img_format.h" |
| #include "mp_image.h" |
| #include "vf.h" |
| |
| struct vf_priv_s { |
| int csp; |
| }; |
| |
| //===========================================================================// |
| |
| static int config(struct vf_instance *vf, |
| int width, int height, int d_width, int d_height, |
| unsigned int flags, unsigned int outfmt){ |
| return vf_next_config(vf, width, height, d_width, d_height, flags, outfmt); |
| } |
| |
| static inline int clamp_y(int x){ |
| return (x > 235) ? 235 : (x < 16) ? 16 : x; |
| } |
| |
| static inline int clamp_c(int x){ |
| return (x > 240) ? 240 : (x < 16) ? 16 : x; |
| } |
| |
| static int put_image(struct vf_instance *vf, mp_image_t *mpi, double pts){ |
| int i,j; |
| uint8_t *y_in, *cb_in, *cr_in; |
| uint8_t *y_out, *cb_out, *cr_out; |
| |
| vf->dmpi=vf_get_image(vf->next,mpi->imgfmt, |
| MP_IMGTYPE_TEMP, MP_IMGFLAG_ACCEPT_STRIDE, |
| mpi->width, mpi->height); |
| |
| y_in = mpi->planes[0]; |
| cb_in = mpi->planes[1]; |
| cr_in = mpi->planes[2]; |
| |
| y_out = vf->dmpi->planes[0]; |
| cb_out = vf->dmpi->planes[1]; |
| cr_out = vf->dmpi->planes[2]; |
| |
| for (i = 0; i < mpi->height; i++) |
| for (j = 0; j < mpi->width; j++) |
| y_out[i*vf->dmpi->stride[0]+j] = clamp_y(y_in[i*mpi->stride[0]+j]); |
| |
| for (i = 0; i < mpi->chroma_height; i++) |
| for (j = 0; j < mpi->chroma_width; j++) |
| { |
| cb_out[i*vf->dmpi->stride[1]+j] = clamp_c(cb_in[i*mpi->stride[1]+j]); |
| cr_out[i*vf->dmpi->stride[2]+j] = clamp_c(cr_in[i*mpi->stride[2]+j]); |
| } |
| |
| return vf_next_put_image(vf,vf->dmpi, pts); |
| } |
| |
| //===========================================================================// |
| |
| /* |
| static void uninit(struct vf_instance *vf){ |
| free(vf->priv); |
| } |
| */ |
| |
| static int query_format(struct vf_instance *vf, unsigned int fmt){ |
| switch(fmt){ |
| case IMGFMT_YV12: |
| case IMGFMT_I420: |
| case IMGFMT_IYUV: |
| return 1; |
| } |
| return 0; |
| } |
| |
| static int vf_open(vf_instance_t *vf, char *args){ |
| vf->config=config; |
| vf->put_image=put_image; |
| // vf->uninit=uninit; |
| vf->query_format=query_format; |
| // vf->priv=calloc(1, sizeof(struct vf_priv_s)); |
| // if (args) |
| // vf->priv->csp = atoi(args); |
| return 1; |
| } |
| |
| const vf_info_t vf_info_yuvcsp = { |
| "yuv colorspace converter", |
| "yuvcsp", |
| "Alex Beregszaszi", |
| "", |
| vf_open, |
| NULL |
| }; |
| |
| //===========================================================================// |