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Fixing the global stack -- and an overflow in collapse_mask

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This commit is contained in:
Jean-Marc Valin 2011-02-01 18:00:29 -05:00
parent 2799c29792
commit 7e983194a3
2 changed files with 8 additions and 2 deletions
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8
libcelt/celt.c
View file

@ -1435,7 +1435,7 @@ int celt_encode_with_ec_float(CELTEncoder * restrict st, const celt_sig * pcm, i
#endif
/* Residual quantisation */
ALLOC(collapse_masks, st->mode->nbEBands, unsigned char);
ALLOC(collapse_masks, C*st->mode->nbEBands, unsigned char);
quant_all_bands(1, st->mode, st->start, st->end, X, C==2 ? X+N : NULL, collapse_masks,
bandE, pulses, shortBlocks, st->spread_decision, dual_stereo, intensity, tf_res, resynth,
nbCompressedBytes*(8<<BITRES)-anti_collapse_rsv, balance, enc, LM, codedBands, &st->rng);
@ -1585,6 +1585,7 @@ int celt_encode_with_ec_float(CELTEncoder * restrict st, const float * pcm, int
{
int j, ret, C, N;
VARDECL(celt_int16, in);
ALLOC_STACK;
SAVE_STACK;
if (pcm==NULL)
@ -1612,6 +1613,7 @@ int celt_encode_with_ec(CELTEncoder * restrict st, const celt_int16 * pcm, int f
{
int j, ret, C, N;
VARDECL(celt_sig, in);
ALLOC_STACK;
SAVE_STACK;
if (pcm==NULL)
@ -2341,7 +2343,7 @@ int celt_decode_with_ec_float(CELTDecoder * restrict st, const unsigned char *da
unquant_fine_energy(st->mode, st->start, st->end, oldBandE, fine_quant, dec, C);
/* Decode fixed codebook */
ALLOC(collapse_masks, st->mode->nbEBands, unsigned char);
ALLOC(collapse_masks, C*st->mode->nbEBands, unsigned char);
quant_all_bands(0, st->mode, st->start, st->end, X, C==2 ? X+N : NULL, collapse_masks,
NULL, pulses, shortBlocks, spread_decision, dual_stereo, intensity, tf_res, 1,
len*(8<<BITRES)-anti_collapse_rsv, balance, dec, LM, codedBands, &st->rng);
@ -2468,6 +2470,7 @@ int celt_decode_with_ec_float(CELTDecoder * restrict st, const unsigned char *da
{
int j, ret, C, N;
VARDECL(celt_int16, out);
ALLOC_STACK;
SAVE_STACK;
if (pcm==NULL)
@ -2491,6 +2494,7 @@ int celt_decode_with_ec(CELTDecoder * restrict st, const unsigned char *data, in
{
int j, ret, C, N;
VARDECL(celt_sig, out);
ALLOC_STACK;
SAVE_STACK;
if (pcm==NULL)

2
libcelt/modes.c
View file

@ -286,11 +286,13 @@ CELTMode *celt_mode_create(celt_int32 Fs, int frame_size, int *error)
scanf("%d ", band_allocation+i);
}
#endif
#ifdef CUSTOM_MODES
ALLOC_STACK;
#if !defined(VAR_ARRAYS) && !defined(USE_ALLOCA)
if (global_stack==NULL)
goto failure;
#endif
#endif
#ifndef CUSTOM_MODES_ONLY
for (i=0;i<TOTAL_MODES;i++)