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- /*
- * ac3.h
- *
- * Copyright (C) Aaron Holtzman - May 1999
- *
- * This file is part of ac3dec, a free Dolby AC-3 stream decoder.
- *
- * ac3dec 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, or (at your option)
- * any later version.
- *
- * ac3dec 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 GNU Make; see the file COPYING. If not, write to
- * the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
- *
- *
- */
-
- #ifndef AARONS_TYPES
- #define AARONS_TYPES
- typedef unsigned __int64 uint_64;
- typedef unsigned int uint_32;
- typedef unsigned short uint_16;
- typedef unsigned char uint_8;
-
- typedef signed __int64 sint_64;
- typedef signed int sint_32;
- typedef signed short sint_16;
- typedef signed char sint_8;
- #endif
-
- #define AC3_DOLBY_SURR_ENABLE 0x1
- #define AC3_3DNOW_ENABLE 0x2
- #define AC3_MMX_ENABLE 0x4
- #define AC3_ALTIVEC_ENABLE 0x8
-
- typedef struct ac3_config_s
- {
- //Bit flags that enable various things
- uint_32 flags;
- //Callback that points the decoder to new stream data
- void (*fill_buffer_callback)(uint_8 **, uint_8 **);
- //Number of discrete channels in final output (for downmixing)
- uint_16 num_output_ch;
- //Which channel of a dual mono stream to select
- uint_16 dual_mono_ch_sel;
- } ac3_config_t;
-
- typedef struct ac3_frame_s
- {
- uint_32 sampling_rate;
- sint_16 *audio_data;
- } ac3_frame_t;
-
- void ac3_init(ac3_config_t *config);
- ac3_frame_t* ac3_decode_frame(void);
-