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/*
* dts.h
* Copyright (C) 2004 Gildas Bazin <gbazin@videolan.org>
*
* This file is part of dtsdec, a free DTS Coherent Acoustics stream decoder.
* See http://www.videolan.org/dtsdec.html for updates.
*
* dtsdec is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* dtsdec is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#ifndef DTS_H
#define DTS_H
/* x86 accelerations */
#define MM_ACCEL_X86_MMX 0x80000000
#define MM_ACCEL_X86_3DNOW 0x40000000
#define MM_ACCEL_X86_MMXEXT 0x20000000
uint32_t mm_accel (void);
#if defined(LIBDTS_FIXED)
typedef int32_t sample_t;
typedef int32_t level_t;
#elif defined(LIBDTS_DOUBLE)
typedef double sample_t;
typedef double level_t;
#else
typedef float sample_t;
typedef float level_t;
#endif
typedef struct dts_state_s dts_state_t;
#define DTS_MONO 0
#define DTS_CHANNEL 1
#define DTS_STEREO 2
#define DTS_STEREO_SUMDIFF 3
#define DTS_STEREO_TOTAL 4
#define DTS_3F 5
#define DTS_2F1R 6
#define DTS_3F1R 7
#define DTS_2F2R 8
#define DTS_3F2R 9
#define DTS_4F2R 10
#define DTS_DOLBY 101 /* FIXME */
#define DTS_CHANNEL_MAX DTS_3F2R /* We don't handle anything above that */
#define DTS_CHANNEL_BITS 6
#define DTS_CHANNEL_MASK 0x3F
#define DTS_LFE 0x80
#define DTS_ADJUST_LEVEL 0x100
dts_state_t * dts_init (uint32_t mm_accel);
int dts_syncinfo (dts_state_t *state, uint8_t * buf, int * flags,
int * sample_rate, int * bit_rate, int *frame_length);
int dts_frame (dts_state_t * state, uint8_t * buf, int * flags,
level_t * level, sample_t bias);
void dts_dynrng (dts_state_t * state,
level_t (* call) (level_t, void *), void * data);
int dts_blocks_num (dts_state_t * state);
int dts_block (dts_state_t * state);
sample_t * dts_samples (dts_state_t * state);
void dts_free (dts_state_t * state);
#endif /* DTS_H */
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