path: root/amadec/audio_out/aml_resample.h (plain)
blob: 150cbff0e605f76839d94b846887ea99c9426c4e

1
2	#ifndef __AML_RESAMPLE_H__
3	#define __AML_RESAMPLE_H__
4
5	#include <audio-dec.h>
6	#include <adec-pts-mgt.h>
7	#include <audiodsp_update_format.h>
8	#define Q14(ratio) ((ratio)*(1<<14))
9	#define Q14_INT_GET(value) ((value)>>14)
10	#define Q14_FRA_GET(value) ((value)&0x3fff)
11
12	#define RESAMPLE_DELTA_NUMSAMPS 1
13	#define DEFALT_NUMSAMPS_PERCH 128
14	#define MAX_NUMSAMPS_PERCH (DEFALT_NUMSAMPS_PERCH + RESAMPLE_DELTA_NUMSAMPS)
15	#define DEFALT_NUMCH 2
16
17	#define RESAMPLE_TYPE_NONE 0
18	#define RESAMPLE_TYPE_DOWN 1
19	#define RESAMPLE_TYPE_UP 2
20
21	#define RESAMPLE_DOWN_FORCE_PCR_SLOW 3
22
23	typedef struct af_resampe_ctl_s {
24	int SampNumIn;
25	int SampNumOut;
26	int InterpolateCoefArray[MAX_NUMSAMPS_PERCH];
27	short InterpolateIndexArray[MAX_NUMSAMPS_PERCH];
28	short ResevedBuf[MAX_NUMSAMPS_PERCH*DEFALT_NUMCH];
29	short ResevedSampsValid;
30	short OutSampReserveBuf[MAX_NUMSAMPS_PERCH*DEFALT_NUMCH];
31	short OutSampReserveLen;
32	short InitFlag;
33	short LastResamType;
34	int resample_type;
35	short enable_resample;
36	} af_resampe_ctl_t;
37
38	void af_resample_linear_init(struct aml_audio_dec* audec);
39
40	void af_resample_linear_stop(struct aml_audio_dec* audec);
41
42	int af_get_resample_enable_flag();
43
44	af_resampe_ctl_t* af_resampler_ctx_get();
45
46	void af_resample_set_SampsNumRatio(af_resampe_ctl_t *paf_resampe_ctl);
47
48	void af_get_pcm_in_resampler(af_resampe_ctl_t *paf_resampe_ctl, short*buf, int *len);
49
50
51	void af_resample_process_linear_inner(af_resampe_ctl_t *paf_resampe_ctl,
52	short *data_in, int *NumSamp_in,
53	short* data_out, int* NumSamp_out, int NumCh);
54	void af_resample_stop_process(af_resampe_ctl_t *paf_resampe_ctl);
55
56
57	int af_get_delta_inputsampnum(af_resampe_ctl_t *paf_resampe_ctl, int Nch);
58
59	void af_get_unpro_inputsampnum(af_resampe_ctl_t *paf_resampe_ctl, short *buf, int *num);
60
61	void af_resample_api_normal(char *buffer, unsigned int *size, int Chnum, aml_audio_dec_t *audec);
62
63	void af_resample_api(char* buffer, unsigned int * size, int Chnum, aml_audio_dec_t* audec, int enable, int delta);
64
65	int af_set_resample_type(int val);
66
67	void af_pcrmaster_resample_api(char *buffer, unsigned int *size, int Chnum, aml_audio_dec_t *audec/*, int enable, int delta*/);
68
69	#endif
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