huxi
56 lines
1.7 KiB
C
56 lines
1.7 KiB
C
/*****************************************************************
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>file name : audio_src.h
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>author : lichao
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>create time : Fri 14 Dec 2018 03:05:49 PM CST
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*****************************************************************/
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#ifndef _AUDIO_SRC_H_
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#define _AUDIO_SRC_H_
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#include "system/includes.h"
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#include "audio_src_base.h"
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#define SRC_TYPE_NONE 0
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#define SRC_TYPE_RESAMPLE 1
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#define SRC_TYPE_AUDIO_SYNC 2
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struct audio_src_buffer {
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void *addr;
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int len;
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};
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// *INDENT-OFF*
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struct audio_src_handle {
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void *base;
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struct audio_src_buffer output;
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void *output_priv;
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int (*output_handler)(void *priv, void *data, int len);
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u8 *remain_addr;
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int remain_len;
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u8 output_malloc;
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};
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// *INDENT-ON*
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int audio_hw_src_open(struct audio_src_handle *src, u8 channel, u8 type);
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int audio_hw_src_set_rate(struct audio_src_handle *src, u32 input_rate, u32 output_rate);
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int audio_hw_src_bufferd_frames(struct audio_src_handle *src);
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int audio_src_resample_write(struct audio_src_handle *src, void *data, int len);
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void audio_src_set_output_handler(struct audio_src_handle *src, void *priv,
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int (*handler)(void *, void *, int));
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int audio_hw_src_set_input_buffer(struct audio_src_handle *src, void *addr, int len);
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int audio_hw_src_set_output_buffer(struct audio_src_handle *src, void *addr, int len);
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int audio_hw_src_stop(struct audio_src_handle *src);
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void audio_hw_src_close(struct audio_src_handle *src);
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int audio_hw_src_trigger_resume(struct audio_src_handle *src, void *priv, void (*callback)(void *));
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int audio_src_push_data_out(struct audio_src_handle *src);
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u8 audio_src_get_hw_src_id(struct audio_src_handle *src);
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#endif
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