| /* |
| * 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++; |
| } |
| } |
| } |