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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 "config.h" |
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#include "libavutil/attributes.h" |
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#include "libavutil/cpu.h" |
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#include "libavutil/x86/cpu.h" |
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#include "libavcodec/audiodsp.h" |
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int32_t ff_scalarproduct_int16_mmxext(const int16_t *v1, const int16_t *v2, |
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int order); |
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int32_t ff_scalarproduct_int16_sse2(const int16_t *v1, const int16_t *v2, |
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int order); |
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void ff_vector_clip_int32_mmx(int32_t *dst, const int32_t *src, |
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int32_t min, int32_t max, unsigned int len); |
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void ff_vector_clip_int32_sse2(int32_t *dst, const int32_t *src, |
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int32_t min, int32_t max, unsigned int len); |
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void ff_vector_clip_int32_int_sse2(int32_t *dst, const int32_t *src, |
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int32_t min, int32_t max, unsigned int len); |
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void ff_vector_clip_int32_sse4(int32_t *dst, const int32_t *src, |
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int32_t min, int32_t max, unsigned int len); |
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void ff_vector_clipf_sse(float *dst, const float *src, |
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int len, float min, float max); |
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av_cold void ff_audiodsp_init_x86(AudioDSPContext *c) |
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{ |
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int cpu_flags = av_get_cpu_flags(); |
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✓✓ |
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if (EXTERNAL_MMX(cpu_flags)) |
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c->vector_clip_int32 = ff_vector_clip_int32_mmx; |
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✓✓ |
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if (EXTERNAL_MMXEXT(cpu_flags)) |
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c->scalarproduct_int16 = ff_scalarproduct_int16_mmxext; |
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✓✓ |
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if (EXTERNAL_SSE(cpu_flags)) |
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c->vector_clipf = ff_vector_clipf_sse; |
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✓✓ |
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if (EXTERNAL_SSE2(cpu_flags)) { |
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c->scalarproduct_int16 = ff_scalarproduct_int16_sse2; |
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✗✓ |
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if (cpu_flags & AV_CPU_FLAG_ATOM) |
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c->vector_clip_int32 = ff_vector_clip_int32_int_sse2; |
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else |
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c->vector_clip_int32 = ff_vector_clip_int32_sse2; |
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} |
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✓✓ |
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if (EXTERNAL_SSE4(cpu_flags)) |
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c->vector_clip_int32 = ff_vector_clip_int32_sse4; |
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} |