huxi
117 lines
3.7 KiB
C
117 lines
3.7 KiB
C
/*****************************************************************
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>file name : audio_syncts.h
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>create time : Mon 22 Mar 2021 02:41:39 PM CST
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>description:
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*****************************************************************/
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#ifndef _AUDIO_SYNCTS_H_
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#define _AUDIO_SYNCTS_H_
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#include "typedef.h"
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#include "audio_src_base.h"
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#define PCM_INSIDE_DAC 0
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#define PCM_OUTSIDE_DAC 1
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#define PCM_TRANSMIT 2
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#define AUDIO_NETWORK_LOCAL 0
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#define AUDIO_NETWORK_BT2_1 1
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#define AUDIO_NETWORK_BLE 2
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#define AUDIO_NETWORK_IPV4 3
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#define AUDIO_NETWORK_AUTO 4
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#define TIME_US_FACTOR 32
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#define STREAM_TIMESTAMP_ENABLE 0x00000001
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#define STREAM_ERROR_SUSPEND 0x00000002
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#define STREAM_ERROR_RESUME 0x00000004
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/*
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* Audio同步变采样参数
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*/
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struct audio_syncts_params {
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unsigned char network; /*网络选择*/
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unsigned char pcm_device; /*PCM设备选择*/
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unsigned char nch; /*声道数*/
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unsigned char factor; /*timestamp的整数放大因子*/
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unsigned char bit_wide; /*src 位宽控制 0：16ibt 1:24bit*/
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unsigned char low_latency; /*低延迟配置*/
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unsigned char mode;
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int rin_sample_rate; /*变采样输入采样率*/
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int rout_sample_rate; /*变采样输出采样率*/
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void *priv; /*私有数据*/
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int (*output)(void *, void *, int); /*变采样输出callback*/
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};
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struct audio_syncts_ioc_params {
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int cmd;
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u32 data[4];
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};
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enum audio_syncts_cmd {
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AUDIO_SYNCTS_CMD_NONE = 0,
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AUDIO_SYNCTS_UPDATE_PCM_FRAMES,
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AUDIO_SYNCTS_MOUNT_ON_SNDPCM,
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AUDIO_SYNCTS_UMOUNT_ON_SNDPCM,
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AUDIO_SYNCTS_GET_TIMESTAMP,
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};
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int audio_syncts_open(void **syncts, struct audio_syncts_params *params);
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int audio_syncts_next_pts(void *syncts, u32 timestamp);
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int audio_syncts_frame_filter(void *syncts, void *data, int len);
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void audio_syncts_close(void *syncts);
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u32 audio_syncts_get_dts(void *syncts);
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int audio_syncts_set_dts(void *syncts, u32 dts);
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int audio_syncts_trigger_resume(void *syncts, void *priv, void (*resume)(void *priv));
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int audio_syncts_update_sample_rate(void *syncts, int sample_rate);
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void audio_syncts_resample_suspend(void *syncts);
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void audio_syncts_resample_resume(void *syncts);
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int audio_syncts_buffered_frames(void *syncts);
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int audio_syncts_drift_sample_rate(void *syncts);
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u8 audio_syncts_get_hw_src_id(void *syncts);
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int audio_syncts_push_data_out(void *syncts);
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int audio_syncts_latch_enable(void *syncts);
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int sound_pcm_update_frame_num(void *syncts, int frames);
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int sound_pcm_syncts_latch_trigger(void *syncts);
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u32 sound_buffered_between_syncts_and_device(void *priv, u8 time_select);
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int sound_pcm_enter_update_frame(void *syncts);
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int sound_pcm_exit_update_frame(void *syncts);
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void sound_pcm_update_overflow_frames(void *syncts, int frames);
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int sound_pcm_get_syncts_network(void *syncts);
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int sound_pcm_update_frame_num_and_time(void *syncts, int frames, u32 time, int buffered_frames);
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int sound_pcm_device_register(void *syncts, int pcm_device);
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int sound_pcm_device_get(void *syncts);//获取关联的alink 模块
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int audio_syncts_set_trigger_timestamp(void *syncts, u32 timestamp, u8 enable);
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u8 audio_syncts_get_trigger_timestamp(void *syncts, u32 *timestamp);
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u8 audio_syncts_support_use_trigger_timestamp(void *syncts);
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int audio_syncts_frame_resample(void *syncts, struct resample_frame *in_frame, struct resample_frame *out_frame);
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void audio_syncts_compensate_filter_latency(void *syncts, u8 enable);
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int audio_syncts_get_resample_phase(void *syncts);
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#endif
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