huxi
329 lines
9.8 KiB
C
329 lines
9.8 KiB
C
#ifndef AUDIO_DECODER_H
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#define AUDIO_DECODER_H
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#include "generic/typedef.h"
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#include "generic/list.h"
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#include "media/audio_base.h"
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#include "os/os_api.h"
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#include "media_memory.h"
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enum {
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AUDIO_DEC_EVENT_CURR_TIME = 0x20,
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AUDIO_DEC_EVENT_END,
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AUDIO_DEC_EVENT_ERR,
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AUDIO_DEC_EVENT_SUSPEND,
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AUDIO_DEC_EVENT_RESUME,
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AUDIO_DEC_EVENT_START,
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};
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enum {
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AUDIO_PLAY_EVENT_CURR_TIME = 0x20,
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AUDIO_PLAY_EVENT_END,
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AUDIO_PLAY_EVENT_ERR,
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AUDIO_PLAY_EVENT_SUSPEND,
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AUDIO_PLAY_EVENT_RESUME,
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};
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enum {
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AUDIO_RES_GET,
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AUDIO_RES_PUT,
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};
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enum {
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DEC_STA_TRY_START,
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DEC_STA_START,
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DEC_STA_WAIT_STOP,
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DEC_STA_WAIT_SUSPEND,
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DEC_STA_WAIT_RESUME,
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DEC_STA_WAIT_PAUSE,
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};
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enum {
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AUDIO_IOCTRL_CMD_SET_BREAKPOINT_A = 0x08, // 设置复读A点
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AUDIO_IOCTRL_CMD_SET_BREAKPOINT_B, // 设置复读B点
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AUDIO_IOCTRL_CMD_SET_BREAKPOINT_MODE, // 设置AB点复读模式
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AUDIO_IOCTRL_CMD_REPEAT_PLAY = 0x90, // 设置循环播放
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AUDIO_IOCTRL_CMD_SET_DEST_PLAYPOS = 0x93, // 设置指定位置播放
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AUDIO_IOCTRL_CMD_GET_PLAYPOS = 0x94, // 获取毫秒级时间
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//固件自定义命令(非解码器命令)
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AUDIO_IOCTRL_CMD_START_SILENCT_DROP = 0x1000,//开头静音数据丢弃处理
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};
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/*
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* 指定位置播放
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* 设置后跳到start_time开始播放，
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* 播放到dest_time后如果callback_func存在，则调用callback_func，
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* 可以在callback_func回调中实现对应需要的动作
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*/
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struct audio_dest_time_play_param {
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u32 start_time; // 要跳转过去播放的起始时间。单位：ms
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u32 dest_time; // 要跳转过去播放的目标时间。单位：ms
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u32(*callback_func)(void *priv); // 到达目标时间后回调
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void *callback_priv; // 回调参数
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};
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/*
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* ab点复读模式结构体
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*/
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struct audio_ab_repeat_mode_param {
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u32 value;
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};
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struct fixphase_repair_obj {
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short fifo_buf[18 + 12][32][2];
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};
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struct audio_repeat_mode_param {
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int flag;
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int headcut_frame;
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int tailcut_frame;
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int (*repeat_callback)(void *);
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void *callback_priv;
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struct fixphase_repair_obj *repair_buf;
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};
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struct audio_res_wait {
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struct list_head entry;
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u8 priority;
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u8 preemption : 1;
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u8 protect : 1;
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u8 only_del : 1; // 仅删除
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u8 snatch_same_prio : 1; // 优先级相同也抢断
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u32 format;
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int (*handler)(struct audio_res_wait *, int event);
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};
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struct audio_decoder_task {
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struct list_head head;
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struct list_head wait;
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const char *name;
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int wakeup_timer;
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int fmt_lock;
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OS_SEM sem;
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};
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struct audio_dec_breakpoint {
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int len;
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u32 fptr;
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int data_len;
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u8 data[0];
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// u8 data[128];
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};
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struct audio_decoder;
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struct audio_dec_input {
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u32 coding_type;
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// 定义在p_more_coding_type数组中的解码器会依照顺序依次检测
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// 先检测coding_type再检测p_more_coding_type
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u32 *p_more_coding_type;
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u32 data_type : 8;
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union {
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struct {
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int (*fread)(struct audio_decoder *, void *buf, u32 len);
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int (*fseek)(struct audio_decoder *, u32 offset, int seek_mode);
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int (*ftell)(struct audio_decoder *);
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int (*flen)(struct audio_decoder *);
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} file;
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struct {
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int (*fget)(struct audio_decoder *, u8 **frame);
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void (*fput)(struct audio_decoder *, u8 *frame);
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int (*ffetch)(struct audio_decoder *, u8 **frame);
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} frame;
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} ops;
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};
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struct audio_dec_handler {
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int (*dec_probe)(struct audio_decoder *);
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int (*dec_output)(struct audio_decoder *, s16 *data, int len, void *priv);
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int (*dec_post)(struct audio_decoder *);
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int (*dec_stop)(struct audio_decoder *);
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};
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struct stream_codec_info {
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int time;
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int frame_num;
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u32 frame_len;
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int frame_points;
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int sequence_number;
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u32 sample_rate;
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u8 channel;
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};
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/*! \brief 音频解码器抽象接口 */
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struct audio_decoder_ops {
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u32 coding_type; /*!< 解码格式*/
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void *(*open)(void *priv); /*!< */
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int (*start)(void *); /*!< */
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int (*get_fmt)(void *, struct audio_fmt *fmt);
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int (*set_output_channel)(void *, enum audio_channel);
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int (*get_play_time)(void *);
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int (*fast_forward)(void *, int step_s);
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int (*fast_rewind)(void *, int step_s);
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int (*get_breakpoint)(void *, struct audio_dec_breakpoint *);
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int (*set_breakpoint)(void *, struct audio_dec_breakpoint *);
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int (*stream_info_scan)(void *, struct stream_codec_info *info, void *data, int len);
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int (*set_tws_mode)(void *, int);
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int (*run)(void *, u8 *);
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int (*stop)(void *);
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int (*close)(void *);
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int (*reset)(void *);
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int (*ioctrl)(void *, u32 cmd, void *parm);
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};
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#define REGISTER_AUDIO_DECODER(ops) \
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const struct audio_decoder_ops ops SEC(.audio_decoder)
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extern const struct audio_decoder_ops audio_decoder_begin[];
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extern const struct audio_decoder_ops audio_decoder_end[];
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#define list_for_each_audio_decoder(p) \
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for (p = audio_decoder_begin; p < audio_decoder_end; p++)
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struct audio_decoder {
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struct list_head entry;
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struct audio_decoder_task *task;
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struct audio_fmt fmt;
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const char *evt_owner;
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const struct audio_dec_input *input;
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const struct audio_decoder_ops *dec_ops;
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const struct audio_dec_handler *dec_handler;
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void (*evt_handler)(struct audio_decoder *dec, int, int *);
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void *dec_priv;
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void *bp;
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u16 id;
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u16 pick : 1;
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u16 tws : 1;
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u16 resume_flag : 1;
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u16 output_err : 1;
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u16 read_err : 1;
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u16 reserved : 11;
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u8 run_max;
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u8 output_channel;
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u8 state;
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u8 err;
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u8 remain;
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u32 magic;
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};
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#define AUDIO_DEC_ORIG_CH AUDIO_CH_LR
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#define AUDIO_DEC_L_CH AUDIO_CH_L
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#define AUDIO_DEC_R_CH AUDIO_CH_R
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#define AUDIO_DEC_MONO_LR_CH AUDIO_CH_DIFF
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#define AUDIO_DEC_DUAL_L_CH AUDIO_CH_DUAL_L
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#define AUDIO_DEC_DUAL_R_CH AUDIO_CH_DUAL_R
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#define AUDIO_DEC_DUAL_LR_CH AUDIO_CH_DUAL_LR
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#define AUDIO_DEC_IS_MONO(ch) (((ch)==AUDIO_DEC_L_CH) || ((ch)==AUDIO_DEC_R_CH) || ((ch)==AUDIO_DEC_MONO_LR_CH))
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int audio_decoder_task_create(struct audio_decoder_task *task, const char *name);
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int audio_decoder_task_add_wait(struct audio_decoder_task *, struct audio_res_wait *);
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void audio_decoder_task_del_wait(struct audio_decoder_task *, struct audio_res_wait *);
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int audio_decoder_task_wait_state(struct audio_decoder_task *task);
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int audio_decoder_resume_all(struct audio_decoder_task *task);
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int audio_decoder_resume_off_limits(struct audio_decoder_task *task, u8 limit_num, int *limit_dec);
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int audio_decoder_resume_all_by_sem(struct audio_decoder_task *task, int time_out);
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int audio_decoder_fmt_lock(struct audio_decoder_task *task, int fmt);
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int audio_decoder_fmt_unlock(struct audio_decoder_task *task, int fmt);
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void *audio_decoder_get_output_buff(void *_dec, int *len);
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int audio_decoder_put_output_buff(void *_dec, void *buff, int len, void *priv);
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int audio_decoder_read_data(void *_dec, u8 *data, int len, u32 offset);
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int audio_decoder_get_input_data_len(void *_dec);
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int audio_decoder_get_frame(void *_dec, u8 **frame);
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int audio_decoder_fetch_frame(void *_dec, u8 **frame);
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void audio_decoder_put_frame(void *_dec, u8 *frame);
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int audio_fmt_find_frame(void *_dec, u8 **frame);
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int audio_decoder_open(struct audio_decoder *dec, const struct audio_dec_input *input,
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struct audio_decoder_task *task);
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int audio_decoder_data_type(void *_dec);
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void audio_decoder_set_id(struct audio_decoder *dec, int);
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int audio_decoder_get_fmt(struct audio_decoder *dec, struct audio_fmt **fmt);
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int audio_decoder_set_fmt(struct audio_decoder *dec, struct audio_fmt *fmt);
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int audio_decoder_get_fmt_info(struct audio_decoder *dec, struct audio_fmt *fmt);
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void audio_decoder_set_handler(struct audio_decoder *dec, const struct audio_dec_handler *handler);
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void audio_decoder_set_event_handler(struct audio_decoder *dec,
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void (*handler)(struct audio_decoder *, int, int *), u32 magic);
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void audio_decoder_set_input_buff(struct audio_decoder *dec, u8 *buff, u16 buff_size);
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void audio_decoder_set_output_buffs(struct audio_decoder *dec, s16 *buffs,
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u16 buff_size, u8 buff_num);
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int audio_decoder_set_output_channel(struct audio_decoder *dec, enum audio_channel);
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int audio_decoder_start(struct audio_decoder *dec);
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int audio_decoder_stop(struct audio_decoder *dec);
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int audio_decoder_pause(struct audio_decoder *dec);
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int audio_decoder_suspend(struct audio_decoder *dec, int timeout_ms);
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int audio_decoder_resume(struct audio_decoder *dec);
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int audio_decoder_close(struct audio_decoder *dec);
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int audio_decoder_reset(struct audio_decoder *dec);
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int audio_decoder_set_breakpoint(struct audio_decoder *dec, struct audio_dec_breakpoint *bp);
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int audio_decoder_get_breakpoint(struct audio_decoder *dec, struct audio_dec_breakpoint *bp);
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int audio_decoder_forward(struct audio_decoder *dec, int step_s);
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int audio_decoder_rewind(struct audio_decoder *dec, int step_s);
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int audio_decoder_get_total_time(struct audio_decoder *dec);
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int audio_decoder_get_play_time(struct audio_decoder *dec);
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int audio_decoder_set_pick_stu(struct audio_decoder *dec, u8 pick);
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int audio_decoder_get_pick_stu(struct audio_decoder *dec);
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int audio_decoder_set_tws_stu(struct audio_decoder *dec, u8 tws);
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int audio_decoder_get_tws_stu(struct audio_decoder *dec);
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int audio_decoder_set_run_max(struct audio_decoder *dec, u8 run_max);
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void audio_decoder_dual_switch(u8 ch_type, u8 half_lr, s16 *data, int len);
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int audio_decoder_running_number(struct audio_decoder_task *task);
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int audio_decoder_ioctrl(struct audio_decoder *dec, u32 cmd, void *parm);
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void audio_decoder_set_channel(void *_dec, u8 ch_num);
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int audio_decoder_get_channel(void *_dec);
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int audio_decoder_get_frame_len(void *_dec);
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int audio_decoder_get_sample_rate(void *_dec);
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int audio_decoder_get_bit_rate(void *_dec);
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#endif
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