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51 lines
2.0 KiB
51 lines
2.0 KiB
/* |
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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_LOSSLESS_AUDIODSP_H |
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#define AVCODEC_LOSSLESS_AUDIODSP_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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int32_t (*scalarproduct_and_madd_int32)(int16_t *v1 /* align 16 */, |
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const int32_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_LOSSLESS_AUDIODSP_H */
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