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65 lines
1.8 KiB
C
65 lines
1.8 KiB
C
/*
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* ac3.h
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*
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* Copyright (C) Aaron Holtzman - May 1999
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*
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* This file is part of ac3dec, a free Dolby AC-3 stream decoder.
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*
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* ac3dec is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2, or (at your option)
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* any later version.
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*
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* ac3dec 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
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with GNU Make; see the file COPYING. If not, write to
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* the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
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*
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*------------------------------------------------------------
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*
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* 24 Nov 2001
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* Andreas Schultz <aschultz@cs.uni-magdeburg.de>
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* Added ac3_buffersize()
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*/
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#define AC3_BUFFER_SIZE (6*1024*16)
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#ifndef __AC3_H__
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#define __AC3_H__
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#ifdef __OMS__
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#include <oms/plugin/output_audio.h>
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#else
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//#include "audio_out.h"
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#endif
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#include <inttypes.h>
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#define AC3_DOLBY_SURR_ENABLE (1<<0)
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#define AC3_ALTIVEC_ENABLE (1<<1)
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typedef struct ac3_config_s {
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// Bit flags that enable various things
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uint32_t flags;
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// Number of discrete channels in final output (for downmixing)
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uint16_t num_output_ch;
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// Which channel of a dual mono stream to select
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uint16_t dual_mono_ch_sel;
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} ac3_config_t;
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void ac3dec_init (void);
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#ifdef __OMS__
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size_t ac3dec_decode_data (plugin_output_audio_t *output, uint8_t *data_start, uint8_t *data_end);
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#else
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size_t ac3dec_decode_data (uint8_t *data_start ,uint8_t *data_end, int ac3reset, int *input_pointer, int *output_pointer, char *ac3_data);
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#endif
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uint32_t ac3_buffersize();
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#endif
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