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/*
* 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++;
}
}
}