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Initial support for static modes (defined STATIC_MODES)

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This commit is contained in:
Jean-Marc Valin 2008-03-10 12:13:23 +11:00
parent 2b361230b3
commit f39e869c9f
1 changed files with 20 additions and 12 deletions
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32
libcelt/modes.c
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@ -38,6 +38,10 @@
#include "rate.h"
#include "os_support.h"
#ifdef STATIC_MODES
#include "static_modes.h"
#endif
#define MODEVALID 0xa110ca7e
#define MODEFREED 0xb10cf8ee
@ -215,8 +219,11 @@ static void compute_allocation_table(CELTMode *mode, int res)
CELTMode *celt_mode_create(celt_int32_t Fs, int channels, int frame_size, int lookahead, int *error)
{
#ifdef STATIC_MODES
CELTMode *mode = (CELTMode*)&mode44100_1_256_128;
#else
int res;
int N, i;
int i;
CELTMode *mode;
celt_word16_t *window;
@ -263,12 +270,8 @@ CELTMode *celt_mode_create(celt_int32_t Fs, int channels, int frame_size, int lo
mode->ePredCoef = QCONST16(.8f,15);
compute_allocation_table(mode, res);
compute_alloc_cache(mode);
/*printf ("%d bands\n", mode->nbEBands);*/
N = mode->mdctSize;
mdct_init(&mode->mdct, 2*N);
window = (celt_word16_t*)celt_alloc(mode->overlap*sizeof(celt_word16_t));
#ifndef FIXED_POINT
@ -282,6 +285,10 @@ CELTMode *celt_mode_create(celt_int32_t Fs, int channels, int frame_size, int lo
mode->marker_start = MODEVALID;
mode->marker_end = MODEVALID;
#endif
mdct_init(&mode->mdct, 2*mode->mdctSize);
compute_alloc_cache(mode);
return mode;
}
@ -289,12 +296,6 @@ void celt_mode_destroy(CELTMode *mode)
{
int i;
const int *prevPtr = NULL;
if (check_mode(mode) != CELT_OK)
return;
celt_free((int*)mode->eBands);
celt_free((int*)mode->pBands);
celt_free((int*)mode->allocVectors);
for (i=0;i<mode->nbEBands;i++)
{
if (mode->bits[i] != prevPtr)
@ -305,12 +306,19 @@ void celt_mode_destroy(CELTMode *mode)
}
celt_free((int**)mode->bits);
mdct_clear(&mode->mdct);
#ifndef STATIC_MODES
if (check_mode(mode) != CELT_OK)
return;
celt_free((int*)mode->eBands);
celt_free((int*)mode->pBands);
celt_free((int*)mode->allocVectors);
celt_free((celt_word16_t*)mode->window);
mode->marker_start = MODEFREED;
mode->marker_end = MODEFREED;
celt_free((CELTMode *)mode);
#endif
}
int check_mode(const CELTMode *mode)