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Improve storage of quantized coefficients

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This commit is contained in:
Antoine SOULIER
2022-05-10 13:49:57 +02:00
parent 913ed465f6
commit c4f48f2618
4 changed files with 87 additions and 36 deletions
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src/spec.h
+10 -2
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@@ -54,10 +54,14 @@ typedef struct lc3_spec_side {
* spec Context of analysis
* x Spectral coefficients, scaled as output
* xq, side Return quantization data
*
* The spectral coefficients `xq` storage is :
* b0 0:positive or zero 1:negative
* b15..b1 Absolute value
*/
void lc3_spec_analyze(enum lc3_dt dt, enum lc3_srate sr,
int nbytes, bool pitch, const lc3_tns_data_t *tns,
lc3_spec_analysis_t *spec, float *x, int16_t *xq, lc3_spec_side_t *side);
lc3_spec_analysis_t *spec, float *x, uint16_t *xq, lc3_spec_side_t *side);
/**
* Put spectral quantization side data
@@ -75,10 +79,14 @@ void lc3_spec_put_side(lc3_bits_t *bits,
* nbytes and size of the frame
* xq, side Quantization data
* x Scaled spectral coefficients
*
* The spectral coefficients `xq` storage is :
* b0 0:positive or zero 1:negative
* b15..b1 Absolute value
*/
void lc3_spec_encode(lc3_bits_t *bits,
enum lc3_dt dt, enum lc3_srate sr, enum lc3_bandwidth bw, int nbytes,
const int16_t *xq, const lc3_spec_side_t *side, const float *x);
const uint16_t *xq, const lc3_spec_side_t *side, const float *x);
/* ----------------------------------------------------------------------------