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Codec state simplification

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Making the preemphasis memory an array of two, removing unused fields
This commit is contained in:
Jean-Marc Valin 2010-07-24 11:48:10 -04:00
parent 1b0bc2d257
commit ac1da4f42b
1 changed files with 5 additions and 18 deletions
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23
libcelt/celt.c
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@ -96,8 +96,8 @@ struct CELTEncoder {
celt_int32 vbr_count;
celt_int32 vbr_rate_norm; /* Target number of 16th bits per frame */
celt_word32 * restrict preemph_memE;
celt_word32 * restrict preemph_memD;
celt_word32 preemph_memE[2];
celt_word32 preemph_memD[2];
celt_sig *in_mem;
celt_sig *out_mem;
@ -175,11 +175,7 @@ CELTEncoder *celt_encoder_create(const CELTMode *mode, int channels, int *error)
st->oldBandE = (celt_word16*)celt_alloc(C*mode->nbEBands*sizeof(celt_word16));
st->preemph_memE = (celt_word32*)celt_alloc(C*sizeof(celt_word32));
st->preemph_memD = (celt_word32*)celt_alloc(C*sizeof(celt_word32));
if ((st->in_mem!=NULL) && (st->out_mem!=NULL) && (st->oldBandE!=NULL)
&& (st->preemph_memE!=NULL) && (st->preemph_memD!=NULL))
if ((st->in_mem!=NULL) && (st->out_mem!=NULL) && (st->oldBandE!=NULL))
{
if (error)
*error = CELT_OK;
@ -222,9 +218,6 @@ void celt_encoder_destroy(CELTEncoder *st)
celt_free(st->pitch_buf);
celt_free(st->oldBandE);
celt_free(st->preemph_memE);
celt_free(st->preemph_memD);
st->marker = ENCODERFREED;
celt_free(st);
@ -1368,10 +1361,8 @@ struct CELTDecoder {
int channels;
int start, end;
ec_byte_buffer buf;
ec_enc enc;
celt_sig * restrict preemph_memD;
celt_sig preemph_memD[2];
celt_sig *out_mem;
celt_word32 *decode_mem;
@ -1443,15 +1434,12 @@ CELTDecoder *celt_decoder_create(const CELTMode *mode, int channels, int *error)
st->oldBandE = (celt_word16*)celt_alloc(C*mode->nbEBands*sizeof(celt_word16));
st->preemph_memD = (celt_word32*)celt_alloc(C*sizeof(celt_word32));
st->lpc = (celt_word16*)celt_alloc(C*LPC_ORDER*sizeof(celt_word16));
st->loss_count = 0;
if ((st->decode_mem!=NULL) && (st->out_mem!=NULL) && (st->oldBandE!=NULL) &&
(st->lpc!=NULL) &&
(st->preemph_memD!=NULL))
(st->lpc!=NULL))
{
if (error)
*error = CELT_OK;
@ -1492,7 +1480,6 @@ void celt_decoder_destroy(CELTDecoder *st)
celt_free(st->decode_mem);
celt_free(st->oldBandE);
celt_free(st->preemph_memD);
celt_free(st->lpc);
st->marker = DECODERFREED;