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