/*
* 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++;
}
}
}
Messung V0.5 in Prozent C=97 H=46 G=75
¤ Dauer der Verarbeitung: 0.8 Sekunden
(vorverarbeitet am 2026-09-30)
¤
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