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/* |
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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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#include <stddef.h> |
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#include <stdint.h> |
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#include "libavutil/cpu.h" |
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#include "libavutil/error.h" |
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#include "libavutil/imgutils_internal.h" |
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#include "libavutil/macros.h" |
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#include "cpu.h" |
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void ff_image_copy_plane_uc_from_sse4(uint8_t *dst, ptrdiff_t dst_linesize, |
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const uint8_t *src, ptrdiff_t src_linesize, |
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ptrdiff_t bytewidth, int height); |
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int ff_image_copy_plane_uc_from_x86(uint8_t *dst, ptrdiff_t dst_linesize, |
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const uint8_t *src, ptrdiff_t src_linesize, |
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ptrdiff_t bytewidth, int height) |
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{ |
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int cpu_flags = av_get_cpu_flags(); |
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ptrdiff_t bw_aligned = FFALIGN(bytewidth, 64); |
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if (EXTERNAL_SSE4(cpu_flags) && |
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bw_aligned <= dst_linesize && bw_aligned <= src_linesize) |
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ff_image_copy_plane_uc_from_sse4(dst, dst_linesize, src, src_linesize, |
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bw_aligned, height); |
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else |
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return AVERROR(ENOSYS); |
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return 0; |
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} |
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