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cleaning up some of the mode stuff

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This commit is contained in:
Jean-Marc Valin 2008-03-08 15:21:24 +11:00
parent 03f9ed3005
commit 3dbc1d0df9
5 changed files with 30 additions and 20 deletions
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12
libcelt/modes.c
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@ -218,7 +218,8 @@ CELTMode *celt_mode_create(celt_int32_t Fs, int channels, int frame_size, int lo
int res;
int N, i;
CELTMode *mode;
celt_word16_t *window;
/* The good thing here is that permutation of the arguments will automatically be invalid */
if (Fs < 32000 || Fs > 64000)
@ -268,15 +269,16 @@ CELTMode *celt_mode_create(celt_int32_t Fs, int channels, int frame_size, int lo
N = mode->mdctSize;
mdct_init(&mode->mdct, 2*N);
mode->window = (celt_word16_t*)celt_alloc(mode->overlap*sizeof(celt_word16_t));
window = (celt_word16_t*)celt_alloc(mode->overlap*sizeof(celt_word16_t));
#ifndef FIXED_POINT
for (i=0;i<mode->overlap;i++)
mode->window[i] = Q15ONE*sin(.5*M_PI* sin(.5*M_PI*(i+.5)/mode->overlap) * sin(.5*M_PI*(i+.5)/mode->overlap));
window[i] = Q15ONE*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++)
mode->window[i] = MIN32(32767,32768.*sin(.5*M_PI* sin(.5*M_PI*(i+.5)/mode->overlap) * sin(.5*M_PI*(i+.5)/mode->overlap)));
window[i] = MIN32(32767,32768.*sin(.5*M_PI* sin(.5*M_PI*(i+.5)/mode->overlap) * sin(.5*M_PI*(i+.5)/mode->overlap)));
#endif
mode->window = window;
mode->marker_start = MODEVALID;
mode->marker_end = MODEVALID;
@ -303,7 +305,7 @@ void celt_mode_destroy(CELTMode *mode)
}
celt_free((int**)mode->bits);
mdct_clear(&mode->mdct);
celt_free(mode->window);
celt_free((celt_word16_t*)mode->window);
mode->marker_start = MODEFREED;
mode->marker_end = MODEFREED;