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https://github.com/xenia-project/FFmpeg.git
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691b7f5e9e
Their intent was to make the DSP work with wmalossless pro. The later was fixed to work with the DSP. Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
47 lines
1.7 KiB
C
47 lines
1.7 KiB
C
/*
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* Monkey's Audio lossless audio decoder
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* Copyright (c) 2007 Benjamin Zores <ben@geexbox.org>
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* based upon libdemac from Dave Chapman.
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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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#ifndef AVCODEC_LLAUDDSP_H
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#define AVCODEC_LLAUDDSP_H
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#include <stdint.h>
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typedef struct LLAudDSPContext {
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/**
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* Calculate scalar product of v1 and v2,
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* and v1[i] += v3[i] * mul
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* @param len length of vectors, should be multiple of 16,
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* or padd v3 and v1 or v2 with zeros.
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*/
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int32_t (*scalarproduct_and_madd_int16)(int16_t *v1 /* align 16 */,
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const int16_t *v2,
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const int16_t *v3,
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int len, int mul);
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} LLAudDSPContext;
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void ff_llauddsp_init(LLAudDSPContext *c);
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void ff_llauddsp_init_arm(LLAudDSPContext *c);
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void ff_llauddsp_init_ppc(LLAudDSPContext *c);
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void ff_llauddsp_init_x86(LLAudDSPContext *c);
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#endif /* AVCODEC_LLAUDDSP_H */
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