Displaying 2 results from an estimated 2 matches for "celt_pgain_t".
2009 Jan 14
0
[PATCH] Pitch now quantised at the band level, got rid of all the VQ code.
...--- a/libcelt/bands.c
+++ b/libcelt/bands.c
@@ -210,9 +210,10 @@ void denormalise_bands(const CELTMode *m, const celt_norm_t * restrict X, celt_s
/* Compute the best gain for each "pitch band" */
-void compute_pitch_gain(const CELTMode *m, const celt_norm_t *X, const celt_norm_t *P, celt_pgain_t *gains)
+int compute_pitch_gain(const CELTMode *m, const celt_norm_t *X, const celt_norm_t *P, celt_pgain_t *gains)
{
int i;
+ int gain_sum = 0;
const celt_int16_t *pBands = m->pBands;
const int C = CHANNELS(m);
@@ -234,9 +235,11 @@ void compute_pitch_gain(const CELTMode *m, con...
2009 Jan 14
0
[PATCH] Moved the application of the pitch gain to (un)quant_bands(). This doesn't change anything to the codec, but will make the next changes easier.
...--- a/libcelt/bands.c
+++ b/libcelt/bands.c
@@ -247,23 +247,6 @@ void compute_pitch_gain(const CELTMode *m, const celt_norm_t *X, const celt_norm
}*/
}
-/* Apply the (quantised) gain to each "pitch band" */
-void pitch_quant_bands(const CELTMode *m, celt_norm_t * restrict P, const celt_pgain_t * restrict gains)
-{
- int i;
- const celt_int16_t *pBands = m->pBands;
- const int C = CHANNELS(m);
- for (i=0;i<m->nbPBands;i++)
- {
- int j;
- for (j=C*pBands[i];j<C*pBands[i+1];j++)
- P[j] = MULT16_16_Q15(gains[i], P[j]);
- /*printf ("%f ",...