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Yet another step towards variable frame size

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This commit is contained in:
Jean-Marc Valin 2010-05-05 21:37:53 -04:00
parent 0475267e62
commit 073d0bc925
4 changed files with 58 additions and 49 deletions
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72
libcelt/modes.c
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@ -325,27 +325,15 @@ CELTMode *celt_mode_create(celt_int32 Fs, int frame_size, int *error)
mode->mdctSize = frame_size;
mode->ePredCoef = QCONST16(.8f,15);
if (frame_size > 640 && (frame_size%16)==0)
if (frame_size >= 640 && (frame_size%16)==0)
{
mode->nbShortMdcts = 8;
} else if (frame_size > 384 && (frame_size%8)==0)
} else if (frame_size >= 320 && (frame_size%8)==0)
{
mode->nbShortMdcts = 4;
} else if (frame_size > 384 && (frame_size%10)==0)
{
mode->nbShortMdcts = 5;
} else if (frame_size > 256 && (frame_size%6)==0)
{
mode->nbShortMdcts = 3;
} else if (frame_size > 256 && (frame_size%8)==0)
{
mode->nbShortMdcts = 4;
} else if (frame_size > 64 && (frame_size%4)==0)
} else if (frame_size >= 120 && (frame_size%4)==0)
{
mode->nbShortMdcts = 2;
} else if (frame_size > 128 && (frame_size%6)==0)
{
mode->nbShortMdcts = 3;
} else
{
mode->nbShortMdcts = 1;
@ -384,7 +372,12 @@ CELTMode *celt_mode_create(celt_int32 Fs, int frame_size, int *error)
#endif
mode->window = window;
mode->bits = (const celt_int16 **)compute_alloc_cache(mode, 1, mode->nbShortMdcts);
for (i=0;(1<<i)<=mode->nbShortMdcts;i++)
{
/* FIXME: Do something for i==0 */
if (i!=0)
mode->bits[i] = (const celt_int16 **)compute_alloc_cache(mode, 1, 1<<i);
}
if (mode->bits==NULL)
goto failure;
@ -397,16 +390,18 @@ CELTMode *celt_mode_create(celt_int32 Fs, int frame_size, int *error)
mode->logN = logN;
#endif /* !STATIC_MODES */
clt_mdct_init(&mode->mdct, 2*mode->mdctSize);
clt_mdct_init(&mode->shortMdct, 2*mode->shortMdctSize);
mode->prob = quant_prob_alloc(mode);
if ((mode->mdct.trig==NULL) || (mode->shortMdct.trig==NULL)
for (i=0;(1<<i)<=mode->nbShortMdcts;i++)
{
clt_mdct_init(&mode->mdct[i], 2*mode->shortMdctSize<<i);
if ((mode->mdct[i].trig==NULL)
#ifndef ENABLE_TI_DSPLIB55
|| (mode->mdct.kfft==NULL) || (mode->shortMdct.kfft==NULL)
|| (mode->mdct[i].kfft==NULL)
#endif
|| (mode->prob==NULL))
)
goto failure;
}
mode->prob = quant_prob_alloc(mode);
if (mode->prob==NULL)
goto failure;
mode->marker_start = MODEVALID;
@ -424,7 +419,7 @@ failure:
void celt_mode_destroy(CELTMode *mode)
{
int i;
int i, m;
const celt_int16 *prevPtr = NULL;
if (mode == NULL)
{
@ -445,18 +440,24 @@ void celt_mode_destroy(CELTMode *mode)
}
mode->marker_start = MODEFREED;
#ifndef STATIC_MODES
if (mode->bits!=NULL)
for (m=0;(1<<m)<=mode->nbShortMdcts;m++)
{
for (i=0;i<mode->nbEBands;i++)
/* FIXME: Do something for i==0 */
if (m==0)
continue;
if (mode->bits[m]!=NULL)
{
if (mode->bits[i] != prevPtr)
for (i=0;i<mode->nbEBands;i++)
{
prevPtr = mode->bits[i];
celt_free((int*)mode->bits[i]);
}
if (mode->bits[m][i] != prevPtr)
{
prevPtr = mode->bits[m][i];
celt_free((int*)mode->bits[m][i]);
}
}
}
}
celt_free((celt_int16**)mode->bits);
celt_free((celt_int16**)mode->bits[m]);
}
celt_free((celt_int16*)mode->eBands);
celt_free((celt_int16*)mode->allocVectors);
@ -464,8 +465,9 @@ void celt_mode_destroy(CELTMode *mode)
celt_free((celt_int16*)mode->logN);
#endif
clt_mdct_clear(&mode->mdct);
clt_mdct_clear(&mode->shortMdct);
for (i=0;(1<<i)<=mode->nbShortMdcts;i++)
clt_mdct_clear(&mode->mdct[i]);
quant_prob_free(mode->prob);
mode->marker_end = MODEFREED;
celt_free((CELTMode *)mode);