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resample: add functions to calculate in/out length

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Add test for this as well
This commit is contained in:
Wim Taymans 2019-07-08 18:26:08 +02:00
parent 0154e6eaac
commit a6a7b3ab54
3 changed files with 76 additions and 0 deletions
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4
spa/plugins/audioconvert/resample.h
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@ -38,6 +38,8 @@ struct resample {
void (*free) (struct resample *r);
void (*update_rate) (struct resample *r, double rate);
uint32_t (*in_len) (struct resample *r, uint32_t out_len);
uint32_t (*out_len) (struct resample *r, uint32_t in_len);
void (*process) (struct resample *r,
const void * SPA_RESTRICT src[], uint32_t *in_len,
void * SPA_RESTRICT dst[], uint32_t *out_len);
@ -48,6 +50,8 @@ struct resample {
#define resample_free(r) (r)->free(r)
#define resample_update_rate(r,...) (r)->update_rate(r,__VA_ARGS__)
#define resample_in_len(r,...) (r)->in_len(r,__VA_ARGS__)
#define resample_out_len(r,...) (r)->out_len(r,__VA_ARGS__)
#define resample_process(r,...) (r)->process(r,__VA_ARGS__)
#define resample_reset(r) (r)->reset(r)
#define resample_delay(r) (r)->delay(r)