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49 lines
1.5 KiB
49 lines
1.5 KiB
/* |
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* This file is part of FFmpeg. |
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* |
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* FFmpeg is free software; you can redistribute it and/or |
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* modify it under the terms of the GNU Lesser General Public |
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* License as published by the Free Software Foundation; either |
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* version 2.1 of the License, or (at your option) any later version. |
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* |
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* FFmpeg is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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* Lesser General Public License for more details. |
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* |
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* You should have received a copy of the GNU Lesser General Public |
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* License along with FFmpeg; if not, write to the Free Software |
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
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*/ |
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/** |
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* @file |
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* AOM common functions |
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*/ |
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#include "libavutil/pixdesc.h" |
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#include "libaom.h" |
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void ff_aom_image_copy_16_to_8(AVFrame *pic, struct aom_image *img) |
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{ |
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const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(pic->format); |
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int i; |
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for (i = 0; i < desc->nb_components; i++) { |
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int w = img->d_w; |
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int h = img->d_h; |
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int x, y; |
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if (i) { |
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w = (w + img->x_chroma_shift) >> img->x_chroma_shift; |
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h = (h + img->y_chroma_shift) >> img->y_chroma_shift; |
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} |
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for (y = 0; y < h; y++) { |
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uint16_t *src = (uint16_t *)(img->planes[i] + y * img->stride[i]); |
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uint8_t *dst = pic->data[i] + y * pic->linesize[i]; |
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for (x = 0; x < w; x++) |
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*dst++ = *src++; |
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} |
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} |
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}
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