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b9eb03416d
Verified with profiling that this doesn't have a measurable effect upon overall performance. Signed-off-by: Martin Storsjö <martin@martin.st>
84 lines
3.6 KiB
C
84 lines
3.6 KiB
C
/*
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* MLP codec common header file
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* Copyright (c) 2007-2008 Ian Caulfield
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*
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* This file is part of Libav.
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*
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* Libav 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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* Libav 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 Libav; 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_MLPDSP_H
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#define AVCODEC_MLPDSP_H
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#include <stdint.h>
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#include "mlp.h"
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void ff_mlp_rematrix_channel(int32_t *samples,
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const int32_t *coeffs,
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const uint8_t *bypassed_lsbs,
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const int8_t *noise_buffer,
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int index,
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unsigned int dest_ch,
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uint16_t blockpos,
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unsigned int maxchan,
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int matrix_noise_shift,
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int access_unit_size_pow2,
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int32_t mask);
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int32_t ff_mlp_pack_output(int32_t lossless_check_data,
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uint16_t blockpos,
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int32_t (*sample_buffer)[MAX_CHANNELS],
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void *data,
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uint8_t *ch_assign,
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int8_t *output_shift,
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uint8_t max_matrix_channel,
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int is32);
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typedef struct MLPDSPContext {
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void (*mlp_filter_channel)(int32_t *state, const int32_t *coeff,
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int firorder, int iirorder,
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unsigned int filter_shift, int32_t mask,
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int blocksize, int32_t *sample_buffer);
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void (*mlp_rematrix_channel)(int32_t *samples,
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const int32_t *coeffs,
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const uint8_t *bypassed_lsbs,
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const int8_t *noise_buffer,
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int index,
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unsigned int dest_ch,
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uint16_t blockpos,
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unsigned int maxchan,
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int matrix_noise_shift,
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int access_unit_size_pow2,
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int32_t mask);
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int32_t (*(*mlp_select_pack_output)(uint8_t *ch_assign,
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int8_t *output_shift,
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uint8_t max_matrix_channel,
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int is32))(int32_t, uint16_t, int32_t (*)[], void *, uint8_t*, int8_t *, uint8_t, int);
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int32_t (*mlp_pack_output)(int32_t lossless_check_data,
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uint16_t blockpos,
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int32_t (*sample_buffer)[MAX_CHANNELS],
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void *data,
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uint8_t *ch_assign,
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int8_t *output_shift,
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uint8_t max_matrix_channel,
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int is32);
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} MLPDSPContext;
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void ff_mlpdsp_init(MLPDSPContext *c);
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void ff_mlpdsp_init_arm(MLPDSPContext *c);
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void ff_mlpdsp_init_x86(MLPDSPContext *c);
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#endif /* AVCODEC_MLPDSP_H */
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