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Support 32-bit window and comb filter

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This commit is contained in:
Jean-Marc Valin 2024-05-28 13:03:10 -04:00
parent 38e535a1e7
commit c79a9bd1dd
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GPG key ID: 8D2952BBB52C646D
17 changed files with 160 additions and 81 deletions
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9
celt/modes.c
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@ -230,7 +230,7 @@ CELTMode *opus_custom_mode_create(opus_int32 Fs, int frame_size, int *error)
#ifdef CUSTOM_MODES
CELTMode *mode=NULL;
int res;
opus_val16 *window;
celt_coef *window;
opus_int16 *logN;
int LM;
int arch = opus_select_arch();
@ -370,7 +370,7 @@ CELTMode *opus_custom_mode_create(opus_int32 Fs, int frame_size, int *error)
if (mode->allocVectors==NULL)
goto failure;
window = (opus_val16*)opus_alloc(mode->overlap*sizeof(opus_val16));
window = (celt_coef*)opus_alloc(mode->overlap*sizeof(*window));
if (window==NULL)
goto failure;
@ -378,8 +378,13 @@ CELTMode *opus_custom_mode_create(opus_int32 Fs, int frame_size, int *error)
for (i=0;i<mode->overlap;i++)
window[i] = Q15ONE*sin(.5*M_PI* sin(.5*M_PI*(i+.5)/mode->overlap) * sin(.5*M_PI*(i+.5)/mode->overlap));
#else
# ifdef ENABLE_QEXT
for (i=0;i<mode->overlap;i++)
window[i] = 2147483647*sin(.5*M_PI* sin(.5*M_PI*(i+.5)/mode->overlap) * sin(.5*M_PI*(i+.5)/mode->overlap));
# else
for (i=0;i<mode->overlap;i++)
window[i] = MIN32(32767,floor(.5+32768.*sin(.5*M_PI* sin(.5*M_PI*(i+.5)/mode->overlap) * sin(.5*M_PI*(i+.5)/mode->overlap))));
# endif
#endif
mode->window = window;