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49 lines
1.7 KiB
49 lines
1.7 KiB
/* |
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* Copyright (c) 2014 James Almer |
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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 "libavcodec/flacdsp.h" |
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#include "libavutil/x86/cpu.h" |
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#include "config.h" |
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void ff_flac_lpc_32_sse4(int32_t *samples, const int coeffs[32], int order, |
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int qlevel, int len); |
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void ff_flac_lpc_32_xop(int32_t *samples, const int coeffs[32], int order, |
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int qlevel, int len); |
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void ff_flac_enc_lpc_16_sse4(int32_t *, const int32_t *, int, int, const int32_t *,int); |
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av_cold void ff_flacdsp_init_x86(FLACDSPContext *c, enum AVSampleFormat fmt, |
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int bps) |
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{ |
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#if HAVE_YASM |
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int cpu_flags = av_get_cpu_flags(); |
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if (EXTERNAL_SSE4(cpu_flags)) { |
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if (bps > 16 && CONFIG_FLAC_DECODER) |
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c->lpc = ff_flac_lpc_32_sse4; |
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if (bps == 16 && CONFIG_FLAC_ENCODER && CONFIG_GPL) |
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c->lpc_encode = ff_flac_enc_lpc_16_sse4; |
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} |
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if (EXTERNAL_XOP(cpu_flags)) { |
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if (bps > 16 && CONFIG_FLAC_DECODER) |
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c->lpc = ff_flac_lpc_32_xop; |
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} |
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#endif |
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}
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