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1 /* | 1 /* |
2 * Copyright (c) 2010 The WebM project authors. All Rights Reserved. | 2 * Copyright (c) 2010 The WebM project authors. All Rights Reserved. |
3 * | 3 * |
4 * Use of this source code is governed by a BSD-style license | 4 * Use of this source code is governed by a BSD-style license |
5 * that can be found in the LICENSE file in the root of the source | 5 * that can be found in the LICENSE file in the root of the source |
6 * tree. An additional intellectual property rights grant can be found | 6 * tree. An additional intellectual property rights grant can be found |
7 * in the file PATENTS. All contributing project authors may | 7 * in the file PATENTS. All contributing project authors may |
8 * be found in the AUTHORS file in the root of the source tree. | 8 * be found in the AUTHORS file in the root of the source tree. |
9 * | 9 * |
10 * Based on code from the OggTheora software codec source code, | 10 * Based on code from the OggTheora software codec source code, |
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1034 _img->x_chroma_shift = _y4m->dst_c_dec_h >> 1; | 1034 _img->x_chroma_shift = _y4m->dst_c_dec_h >> 1; |
1035 _img->y_chroma_shift = _y4m->dst_c_dec_v >> 1; | 1035 _img->y_chroma_shift = _y4m->dst_c_dec_v >> 1; |
1036 _img->bps = _y4m->bps; | 1036 _img->bps = _y4m->bps; |
1037 | 1037 |
1038 /*Set up the buffer pointers.*/ | 1038 /*Set up the buffer pointers.*/ |
1039 pic_sz = _y4m->pic_w * _y4m->pic_h * bytes_per_sample; | 1039 pic_sz = _y4m->pic_w * _y4m->pic_h * bytes_per_sample; |
1040 c_w = (_y4m->pic_w + _y4m->dst_c_dec_h - 1) / _y4m->dst_c_dec_h; | 1040 c_w = (_y4m->pic_w + _y4m->dst_c_dec_h - 1) / _y4m->dst_c_dec_h; |
1041 c_w *= bytes_per_sample; | 1041 c_w *= bytes_per_sample; |
1042 c_h = (_y4m->pic_h + _y4m->dst_c_dec_v - 1) / _y4m->dst_c_dec_v; | 1042 c_h = (_y4m->pic_h + _y4m->dst_c_dec_v - 1) / _y4m->dst_c_dec_v; |
1043 c_sz = c_w * c_h; | 1043 c_sz = c_w * c_h; |
1044 _img->stride[PLANE_Y] = _img->stride[PLANE_ALPHA] = | 1044 _img->stride[VPX_PLANE_Y] = _img->stride[VPX_PLANE_ALPHA] = |
1045 _y4m->pic_w * bytes_per_sample; | 1045 _y4m->pic_w * bytes_per_sample; |
1046 _img->stride[PLANE_U] = _img->stride[PLANE_V] = c_w; | 1046 _img->stride[VPX_PLANE_U] = _img->stride[VPX_PLANE_V] = c_w; |
1047 _img->planes[PLANE_Y] = _y4m->dst_buf; | 1047 _img->planes[VPX_PLANE_Y] = _y4m->dst_buf; |
1048 _img->planes[PLANE_U] = _y4m->dst_buf + pic_sz; | 1048 _img->planes[VPX_PLANE_U] = _y4m->dst_buf + pic_sz; |
1049 _img->planes[PLANE_V] = _y4m->dst_buf + pic_sz + c_sz; | 1049 _img->planes[VPX_PLANE_V] = _y4m->dst_buf + pic_sz + c_sz; |
1050 _img->planes[PLANE_ALPHA] = _y4m->dst_buf + pic_sz + 2 * c_sz; | 1050 _img->planes[VPX_PLANE_ALPHA] = _y4m->dst_buf + pic_sz + 2 * c_sz; |
1051 return 1; | 1051 return 1; |
1052 } | 1052 } |
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