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fix stack handling

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This commit is contained in:
Wessel Lubberhuizen 2008-10-03 07:09:29 -04:00 • committed by Jean-Marc Valin
parent b0bef8564e
commit 33ba6cc6b6
1 changed files with 8 additions and 4 deletions
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12
libcelt/celt.c
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@ -674,6 +674,7 @@ int celt_encode_float(CELTEncoder * restrict st, const float * pcm, float * opti
const int C = CHANNELS(st->mode); const int C = CHANNELS(st->mode);
const int N = st->block_size; const int N = st->block_size;
VARDECL(celt_int16_t, in); VARDECL(celt_int16_t, in);
SAVE_STACK;
ALLOC(in, C*N, celt_int16_t); ALLOC(in, C*N, celt_int16_t);
for (j=0;j<C*N;j++) for (j=0;j<C*N;j++)
@ -687,6 +688,7 @@ int celt_encode_float(CELTEncoder * restrict st, const float * pcm, float * opti
} else { } else {
ret=celt_encode(st,in,NULL,compressed,nbCompressedBytes); ret=celt_encode(st,in,NULL,compressed,nbCompressedBytes);
} }
RESTORE_STACK;
return ret; return ret;
} }
@ -698,7 +700,7 @@ int celt_encode(CELTEncoder * restrict st, const celt_int16_t * pcm, celt_int16_
VARDECL(celt_sig_t, in); VARDECL(celt_sig_t, in);
const int C = CHANNELS(st->mode); const int C = CHANNELS(st->mode);
const int N = st->block_size; const int N = st->block_size;
SAVE_STACK;
ALLOC(in, C*N, celt_sig_t); ALLOC(in, C*N, celt_sig_t);
for (j=0;j<C*N;j++) { for (j=0;j<C*N;j++) {
in[j] = SCALEOUT(pcm[j]); in[j] = SCALEOUT(pcm[j]);
@ -711,7 +713,7 @@ int celt_encode(CELTEncoder * restrict st, const celt_int16_t * pcm, celt_int16_
} else { } else {
ret = celt_encode_float(st,in,NULL,compressed,nbCompressedBytes); ret = celt_encode_float(st,in,NULL,compressed,nbCompressedBytes);
} }
RESTORE_STACK;
return ret; return ret;
} }
#endif #endif
@ -1048,13 +1050,14 @@ int celt_decode_float(CELTDecoder * restrict st, unsigned char *data, int len, f
const int C = CHANNELS(st->mode); const int C = CHANNELS(st->mode);
const int N = st->block_size; const int N = st->block_size;
VARDECL(celt_int16_t, out); VARDECL(celt_int16_t, out);
SAVE_STACK;
ALLOC(out, C*N, celt_int16_t); ALLOC(out, C*N, celt_int16_t);
ret=celt_decode(st, data, len, out); ret=celt_decode(st, data, len, out);
for (j=0;j<C*N;j++) for (j=0;j<C*N;j++)
pcm[j]=out[j]*(1/32768.); pcm[j]=out[j]*(1/32768.);
RESTORE_STACK;
return ret; return ret;
} }
#endif /*DISABLE_FLOAT_API*/ #endif /*DISABLE_FLOAT_API*/
@ -1065,7 +1068,7 @@ int celt_decode(CELTDecoder * restrict st, unsigned char *data, int len, celt_in
VARDECL(celt_sig_t, out); VARDECL(celt_sig_t, out);
const int C = CHANNELS(st->mode); const int C = CHANNELS(st->mode);
const int N = st->block_size; const int N = st->block_size;
SAVE_STACK;
ALLOC(out, C*N, celt_sig_t); ALLOC(out, C*N, celt_sig_t);
ret=celt_decode_float(st, data, len, out); ret=celt_decode_float(st, data, len, out);
@ -1073,6 +1076,7 @@ int celt_decode(CELTDecoder * restrict st, unsigned char *data, int len, celt_in
for (j=0;j<C*N;j++) for (j=0;j<C*N;j++)
pcm[j] = FLOAT2INT16 (out[j]); pcm[j] = FLOAT2INT16 (out[j]);
RESTORE_STACK;
return ret; return ret;
} }
#endif #endif