ac3.h

Sigma EM8300片（机顶盒上音视频编解码芯片）SDK

/* 
 *    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 __AC3_H__
#define __AC3_H__

#include <inttypes.h>

#define AC3_DOLBY_SURR_ENABLE	(1<<0)
#define AC3_ALTIVEC_ENABLE	(1<<1)
#define AC3_3DNOW_ENABLE        (1<<2)
#define AC3_MMX_ENABLE          (1<<3)
#define AC3_SSE_ENABLE          (1<<4)

typedef struct ac3_config_s {
	// Bit flags that enable various things
	uint32_t flags;
	//Callback that points the decoder to new stream data
        void (*fill_buffer_callback)(uint8_t **, uint8_t **);
	// Number of discrete channels in final output (for downmixing)
	uint16_t num_output_ch;
	// Which channel of a dual mono stream to select
	uint16_t dual_mono_ch_sel;
} ac3_config_t;

#endif