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Coverity cleanups for iLBC

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This commit is contained in:
Steve Underwood committed 2014-07-22 12:06:50 +08:00
1 parent 720e7a23c4
commit 0c32ae8ca0
3 files changed
+129 -131
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libs/ilbc/src/iLBC_encode.c
+59 -56
View File
@@ -46,46 +46,6 @@
* Initiation of encoder instance.
*---------------------------------------------------------------*/
ilbc_encode_state_t *ilbc_encode_init(ilbc_encode_state_t *iLBCenc_inst, /* (i/o) Encoder instance */
int mode) /* (i) frame size mode */
{
iLBCenc_inst->mode = mode;
if (mode == 30)
{
iLBCenc_inst->blockl = ILBC_BLOCK_LEN_30MS;
iLBCenc_inst->nsub = NSUB_30MS;
iLBCenc_inst->nasub = NASUB_30MS;
iLBCenc_inst->lpc_n = LPC_N_30MS;
iLBCenc_inst->no_of_bytes = ILBC_NO_OF_BYTES_30MS;
iLBCenc_inst->state_short_len = STATE_SHORT_LEN_30MS;
/* ULP init */
iLBCenc_inst->ULP_inst = &ULP_30msTbl;
}
else if (mode == 20)
{
iLBCenc_inst->blockl = ILBC_BLOCK_LEN_20MS;
iLBCenc_inst->nsub = NSUB_20MS;
iLBCenc_inst->nasub = NASUB_20MS;
iLBCenc_inst->lpc_n = LPC_N_20MS;
iLBCenc_inst->no_of_bytes = ILBC_NO_OF_BYTES_20MS;
iLBCenc_inst->state_short_len = STATE_SHORT_LEN_20MS;
/* ULP init */
iLBCenc_inst->ULP_inst = &ULP_20msTbl;
}
else
{
return NULL;
}
memset((*iLBCenc_inst).anaMem, 0, ILBC_LPC_FILTERORDER*sizeof(float));
memcpy((*iLBCenc_inst).lsfold, lsfmeanTbl, ILBC_LPC_FILTERORDER*sizeof(float));
memcpy((*iLBCenc_inst).lsfdeqold, lsfmeanTbl, ILBC_LPC_FILTERORDER*sizeof(float));
memset((*iLBCenc_inst).lpc_buffer, 0, (LPC_LOOKBACK + ILBC_BLOCK_LEN_MAX)*sizeof(float));
memset((*iLBCenc_inst).hpimem, 0, 4*sizeof(float));
return iLBCenc_inst;
}
/*----------------------------------------------------------------*
* main encoder function
*---------------------------------------------------------------*/
@@ -215,7 +175,7 @@ static int ilbc_encode_frame(ilbc_encode_state_t *iLBCenc_inst, /* (i/o) the
iCBConstruct(&decresidual[start_pos + iLBCenc_inst->state_short_len],
extra_cb_index,
extra_gain_index,
mem + CB_MEML - stMemLTbl,
&mem[CB_MEML - stMemLTbl],
stMemLTbl,
diff,
CB_NSTAGES);
@@ -252,7 +212,7 @@ static int ilbc_encode_frame(ilbc_encode_state_t *iLBCenc_inst, /* (i/o) the
iCBConstruct(reverseDecresidual,
extra_cb_index,
extra_gain_index,
mem + CB_MEML - stMemLTbl,
&mem[CB_MEML - stMemLTbl],
stMemLTbl,
diff,
CB_NSTAGES);
@@ -271,7 +231,7 @@ static int ilbc_encode_frame(ilbc_encode_state_t *iLBCenc_inst, /* (i/o) the
if (Nfor > 0)
{
/* Setup memory */
memset(mem, 0, (CB_MEML-STATE_LEN)*sizeof(float));
memset(mem, 0, (CB_MEML - STATE_LEN)*sizeof(float));
memcpy(&mem[CB_MEML - STATE_LEN], decresidual + (start - 1)*SUBL, STATE_LEN*sizeof(float));
memset(weightState, 0, ILBC_LPC_FILTERORDER*sizeof(float));
@@ -280,10 +240,10 @@ static int ilbc_encode_frame(ilbc_encode_state_t *iLBCenc_inst, /* (i/o) the
{
/* Encode sub-frame */
iCBSearch(iLBCenc_inst,
cb_index + subcount*CB_NSTAGES,
gain_index + subcount*CB_NSTAGES,
&cb_index[subcount*CB_NSTAGES],
&gain_index[subcount*CB_NSTAGES],
&residual[(start + 1 + subframe)*SUBL],
mem + CB_MEML-memLfTbl[subcount],
&mem[CB_MEML - memLfTbl[subcount]],
memLfTbl[subcount],
SUBL,
CB_NSTAGES,
@@ -293,9 +253,9 @@ static int ilbc_encode_frame(ilbc_encode_state_t *iLBCenc_inst, /* (i/o) the
/* Construct decoded vector */
iCBConstruct(&decresidual[(start + 1 + subframe)*SUBL],
cb_index + subcount*CB_NSTAGES,
gain_index + subcount*CB_NSTAGES,
mem + CB_MEML - memLfTbl[subcount],
&cb_index[subcount*CB_NSTAGES],
&gain_index[subcount*CB_NSTAGES],
&mem[CB_MEML - memLfTbl[subcount]],
memLfTbl[subcount],
SUBL,
CB_NSTAGES);
@@ -338,20 +298,23 @@ static int ilbc_encode_frame(ilbc_encode_state_t *iLBCenc_inst, /* (i/o) the
for (subframe = 0; subframe < Nback; subframe++)
{
/* Encode sub-frame */
iCBSearch(iLBCenc_inst, cb_index+subcount*CB_NSTAGES,
gain_index + subcount*CB_NSTAGES,
iCBSearch(iLBCenc_inst,
&cb_index[subcount*CB_NSTAGES],
&gain_index[subcount*CB_NSTAGES],
&reverseResidual[subframe*SUBL],
mem + CB_MEML - memLfTbl[subcount],
memLfTbl[subcount], SUBL, CB_NSTAGES,
&mem[CB_MEML - memLfTbl[subcount]],
memLfTbl[subcount],
SUBL,
CB_NSTAGES,
&weightdenum[(start - 2 - subframe)*(ILBC_LPC_FILTERORDER + 1)],
weightState,
subcount + 1);
/* Construct decoded vector */
iCBConstruct(&reverseDecresidual[subframe*SUBL],
cb_index + subcount*CB_NSTAGES,
gain_index + subcount*CB_NSTAGES,
mem + CB_MEML - memLfTbl[subcount],
&cb_index[subcount*CB_NSTAGES],
&gain_index[subcount*CB_NSTAGES],
&mem[CB_MEML - memLfTbl[subcount]],
memLfTbl[subcount],
SUBL,
CB_NSTAGES);
@@ -515,3 +478,43 @@ int ilbc_encode(ilbc_encode_state_t *s, /* (i/o) the general encoder state *
}
return j;
}
ilbc_encode_state_t *ilbc_encode_init(ilbc_encode_state_t *iLBCenc_inst, /* (i/o) Encoder instance */
int mode) /* (i) frame size mode */
{
iLBCenc_inst->mode = mode;
if (mode == 30)
{
iLBCenc_inst->blockl = ILBC_BLOCK_LEN_30MS;
iLBCenc_inst->nsub = NSUB_30MS;
iLBCenc_inst->nasub = NASUB_30MS;
iLBCenc_inst->lpc_n = LPC_N_30MS;
iLBCenc_inst->no_of_bytes = ILBC_NO_OF_BYTES_30MS;
iLBCenc_inst->state_short_len = STATE_SHORT_LEN_30MS;
/* ULP init */
iLBCenc_inst->ULP_inst = &ULP_30msTbl;
}
else if (mode == 20)
{
iLBCenc_inst->blockl = ILBC_BLOCK_LEN_20MS;
iLBCenc_inst->nsub = NSUB_20MS;
iLBCenc_inst->nasub = NASUB_20MS;
iLBCenc_inst->lpc_n = LPC_N_20MS;
iLBCenc_inst->no_of_bytes = ILBC_NO_OF_BYTES_20MS;
iLBCenc_inst->state_short_len = STATE_SHORT_LEN_20MS;
/* ULP init */
iLBCenc_inst->ULP_inst = &ULP_20msTbl;
}
else
{
return NULL;
}
memset((*iLBCenc_inst).anaMem, 0, ILBC_LPC_FILTERORDER*sizeof(float));
memcpy((*iLBCenc_inst).lsfold, lsfmeanTbl, ILBC_LPC_FILTERORDER*sizeof(float));
memcpy((*iLBCenc_inst).lsfdeqold, lsfmeanTbl, ILBC_LPC_FILTERORDER*sizeof(float));
memset((*iLBCenc_inst).lpc_buffer, 0, (LPC_LOOKBACK + ILBC_BLOCK_LEN_MAX)*sizeof(float));
memset((*iLBCenc_inst).hpimem, 0, 4*sizeof(float));
return iLBCenc_inst;
}