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57 lines
2.5 KiB
57 lines
2.5 KiB
/* |
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* ARM NEON optimised H.264 chroma functions |
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* Copyright (c) 2008 Mans Rullgard <mans@mansr.com> |
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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 <stdint.h> |
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#include "libavutil/attributes.h" |
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#include "libavutil/cpu.h" |
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#include "libavutil/arm/cpu.h" |
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#include "libavcodec/h264chroma.h" |
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void ff_put_h264_chroma_mc8_neon(uint8_t *dst, const uint8_t *src, ptrdiff_t stride, |
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int h, int x, int y); |
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void ff_put_h264_chroma_mc4_neon(uint8_t *dst, const uint8_t *src, ptrdiff_t stride, |
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int h, int x, int y); |
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void ff_put_h264_chroma_mc2_neon(uint8_t *dst, const uint8_t *src, ptrdiff_t stride, |
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int h, int x, int y); |
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void ff_avg_h264_chroma_mc8_neon(uint8_t *dst, const uint8_t *src, ptrdiff_t stride, |
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int h, int x, int y); |
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void ff_avg_h264_chroma_mc4_neon(uint8_t *dst, const uint8_t *src, ptrdiff_t stride, |
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int h, int x, int y); |
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void ff_avg_h264_chroma_mc2_neon(uint8_t *dst, const uint8_t *src, ptrdiff_t stride, |
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int h, int x, int y); |
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av_cold void ff_h264chroma_init_arm(H264ChromaContext *c, int bit_depth) |
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{ |
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const int high_bit_depth = bit_depth > 8; |
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int cpu_flags = av_get_cpu_flags(); |
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if (have_neon(cpu_flags) && !high_bit_depth) { |
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c->put_h264_chroma_pixels_tab[0] = ff_put_h264_chroma_mc8_neon; |
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c->put_h264_chroma_pixels_tab[1] = ff_put_h264_chroma_mc4_neon; |
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c->put_h264_chroma_pixels_tab[2] = ff_put_h264_chroma_mc2_neon; |
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c->avg_h264_chroma_pixels_tab[0] = ff_avg_h264_chroma_mc8_neon; |
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c->avg_h264_chroma_pixels_tab[1] = ff_avg_h264_chroma_mc4_neon; |
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c->avg_h264_chroma_pixels_tab[2] = ff_avg_h264_chroma_mc2_neon; |
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} |
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}
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