mirror of https://git.ffmpeg.org/ffmpeg.git
50 lines
1.5 KiB
C
50 lines
1.5 KiB
C
|
/*
|
||
|
|
* This file is part of FFmpeg.
|
||
|
|
*
|
||
|
|
* FFmpeg is free software; you can redistribute it and/or
|
||
|
|
* modify it under the terms of the GNU Lesser General Public
|
||
|
|
* License as published by the Free Software Foundation; either
|
||
|
|
* version 2.1 of the License, or (at your option) any later version.
|
||
|
|
*
|
||
|
|
* FFmpeg 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
|
||
|
|
* Lesser General Public License for more details.
|
||
|
|
*
|
||
|
|
* You should have received a copy of the GNU Lesser General Public
|
||
|
|
* License along with FFmpeg; if not, write to the Free Software
|
||
|
|
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
|
||
|
|
*/
|
||
|
|
|
||
|
|
/**
|
||
|
|
* @file
|
||
|
|
* AOM common functions
|
||
|
|
*/
|
||
|
|
|
||
|
|
#include "libavutil/pixdesc.h"
|
||
|
|
#include "libaom.h"
|
||
|
|
|
||
|
|
void ff_aom_image_copy_16_to_8(AVFrame *pic, struct aom_image *img)
|
||
|
|
{
|
||
|
|
const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(pic->format);
|
||
|
|
int i;
|
||
|
|
|
||
|
|
for (i = 0; i < desc->nb_components; i++) {
|
||
|
|
int w = img->d_w;
|
||
|
|
int h = img->d_h;
|
||
|
|
int x, y;
|
||
|
|
|
||
|
|
if (i) {
|
||
|
|
w = (w + img->x_chroma_shift) >> img->x_chroma_shift;
|
||
|
|
h = (h + img->y_chroma_shift) >> img->y_chroma_shift;
|
||
|
|
}
|
||
|
|
|
||
|
|
for (y = 0; y < h; y++) {
|
||
|
|
uint16_t *src = (uint16_t *)(img->planes[i] + y * img->stride[i]);
|
||
|
|
uint8_t *dst = pic->data[i] + y * pic->linesize[i];
|
||
|
|
for (x = 0; x < w; x++)
|
||
|
|
*dst++ = *src++;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|