audio_ifcmd.h

来自「AMLOGIC DPF source code」· C头文件 代码 · 共 62 行

/*******************************************************************
 * 
 *  Copyright C 2005 by Amlogic, Inc. All Rights Reserved.
 *
 *  Description: 
 *
 *  Author: Amlogic Software
 *  Created: 1/26/2006 7:58PM
 *
 *******************************************************************/

#ifndef AUDIO_IFCMD_H
#define AUDIO_IFCMD_H

/* audio control task message */
typedef struct {
    int         cmd;
    unsigned    param1;
    int         param2;
    void       *arg;
} _audio_msg_t;

typedef struct {
	int format;
	unsigned short bits_per_sample;
	unsigned short channels;
	unsigned sample_rate;
	unsigned byte_per_frame;
	unsigned bytes_per_second;
	unsigned total_samples;
	unsigned char has_stream_info;
	unsigned total_byte_decoded;    // for vbr or network streaming mode
	unsigned total_sample_decoded;  // for vbr or network streaming mode
} _audio_stream_info_t;

/* audio control task message */
#define AUDIO_CMD_NON_SEAMLESS_SETUP    0x00
#define AUDIO_CMD_START_PLAY            0x01
#define AUDIO_CMD_PAUSE_PLAY            0x02
#define AUDIO_CMD_RESUME_PLAY           0x03
#define AUDIO_CMD_DATA_CONTROL          0x04
#define AUDIO_CMD_STOP_PLAY             0x05
#define AUDIO_CMD_GET_INFO				0x06
#define AUDIO_CMD_SYNC_HOLD				0x07
#define AUDIO_CMD_SYNC_PLAY_AMASTER 	0x08
#define AUDIO_CMD_SYNC_PLAY_VMASTER		0x09
#define AUDIO_NOTIFY_DRIVER_CFGCHANGED  0x10
#define AUDIO_CMDCTRL_FLUSH             0x20

#define AUDIO_CMD_SPECTRUM_START        0x21
#define AUDIO_CMD_SPECTRUM_STOP         0x22

#define AUDIO_PLAYSTAT_STOP             0
#define AUDIO_PLAYSTAT_SETUP            1
#define AUDIO_PLAYSTAT_PLAYING          2
#define AUDIO_PLAYSTAT_PAUSED           3
#define AUDIO_PLAYSTAT_DATA_CTRL        4

OS_EVENT *AudioLib_Init(void);

#endif /* AUDIO_IF_CMD_H */