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v811_spc009/external/libopus/doc/opus_update.patch

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diff --git a/celt/bands.c b/celt/bands.c
index 6962587..32e1de6 100644
--- a/celt/bands.c
+++ b/celt/bands.c
@@ -1234,9 +1234,23 @@ void quant_all_bands(int encode, const CELTMode *m, int start, int end,
b = 0;
}
- if (resynth && M*eBands[i]-N >= M*eBands[start] && (update_lowband || lowband_offset==0))
+ if (resynth && (M*eBands[i]-N >= M*eBands[start] || i==start+1) && (update_lowband || lowband_offset==0))
lowband_offset = i;
+ if (i == start+1)
+ {
+ int n1, n2;
+ int offset;
+ n1 = M*(eBands[start+1]-eBands[start]);
+ n2 = M*(eBands[start+2]-eBands[start+1]);
+ offset = M*eBands[start];
+ /* Duplicate enough of the first band folding data to be able to fold the second band.
+ Copies no data for CELT-only mode. */
+ OPUS_COPY(&norm[offset+n1], &norm[offset+2*n1 - n2], n2-n1);
+ if (C==2)
+ OPUS_COPY(&norm2[offset+n1], &norm2[offset+2*n1 - n2], n2-n1);
+ }
+
tf_change = tf_res[i];
if (i>=m->effEBands)
{
@@ -1257,7 +1271,7 @@ void quant_all_bands(int encode, const CELTMode *m, int start, int end,
fold_start = lowband_offset;
while(M*eBands[--fold_start] > effective_lowband);
fold_end = lowband_offset-1;
- while(M*eBands[++fold_end] < effective_lowband+N);
+ while(++fold_end < i && M*eBands[fold_end] < effective_lowband+N);
x_cm = y_cm = 0;
fold_i = fold_start; do {
x_cm |= collapse_masks[fold_i*C+0];
diff --git a/celt/quant_bands.c b/celt/quant_bands.c
index e5ed9ef..82fb823 100644
--- a/celt/quant_bands.c
+++ b/celt/quant_bands.c
@@ -552,6 +552,7 @@ void log2Amp(const CELTMode *m, int start, int end,
{
opus_val16 lg = ADD16(oldEBands[i+c*m->nbEBands],
SHL16((opus_val16)eMeans[i],6));
+ lg = MIN32(QCONST32(32.f, 16), lg);
eBands[i+c*m->nbEBands] = PSHR32(celt_exp2(lg),4);
}
for (;i<m->nbEBands;i++)
diff --git a/silk/LPC_inv_pred_gain.c b/silk/LPC_inv_pred_gain.c
index 60c439b..6c301da 100644
--- a/silk/LPC_inv_pred_gain.c
+++ b/silk/LPC_inv_pred_gain.c
@@ -84,8 +84,13 @@ static opus_int32 LPC_inverse_pred_gain_QA( /* O Returns inver
/* Update AR coefficient */
for( n = 0; n < k; n++ ) {
- tmp_QA = Aold_QA[ n ] - MUL32_FRAC_Q( Aold_QA[ k - n - 1 ], rc_Q31, 31 );
- Anew_QA[ n ] = MUL32_FRAC_Q( tmp_QA, rc_mult2 , mult2Q );
+ opus_int64 tmp64;
+ tmp_QA = silk_SUB_SAT32( Aold_QA[ n ], MUL32_FRAC_Q( Aold_QA[ k - n - 1 ], rc_Q31, 31 ) );
+ tmp64 = silk_RSHIFT_ROUND64( silk_SMULL( tmp_QA, rc_mult2 ), mult2Q);
+ if( tmp64 > silk_int32_MAX || tmp64 < silk_int32_MIN ) {
+ return 0;
+ }
+ Anew_QA[ n ] = ( opus_int32 )tmp64;
}
}
diff --git a/silk/NLSF_stabilize.c b/silk/NLSF_stabilize.c
index 979aaba..2ef2398 100644
--- a/silk/NLSF_stabilize.c
+++ b/silk/NLSF_stabilize.c
@@ -134,7 +134,7 @@ void silk_NLSF_stabilize(
/* Keep delta_min distance between the NLSFs */
for( i = 1; i < L; i++ )
- NLSF_Q15[i] = silk_max_int( NLSF_Q15[i], NLSF_Q15[i-1] + NDeltaMin_Q15[i] );
+ NLSF_Q15[i] = silk_max_int( NLSF_Q15[i], silk_ADD_SAT16( NLSF_Q15[i-1], NDeltaMin_Q15[i] ) );
/* Last NLSF should be no higher than 1 - NDeltaMin[L] */
NLSF_Q15[L-1] = silk_min_int( NLSF_Q15[L-1], (1<<15) - NDeltaMin_Q15[L] );
diff --git a/silk/dec_API.c b/silk/dec_API.c
index efd7918..21bb7e0 100644
--- a/silk/dec_API.c
+++ b/silk/dec_API.c
@@ -72,6 +72,9 @@ opus_int silk_InitDecoder( /* O Returns error co
for( n = 0; n < DECODER_NUM_CHANNELS; n++ ) {
ret = silk_init_decoder( &channel_state[ n ] );
}
+ silk_memset(&((silk_decoder *)decState)->sStereo, 0, sizeof(((silk_decoder *)decState)->sStereo));
+ /* Not strictly needed, but it's cleaner that way */
+ ((silk_decoder *)decState)->prev_decode_only_middle = 0;
return ret;
}
diff --git a/silk/resampler_private_IIR_FIR.c b/silk/resampler_private_IIR_FIR.c
index dbd6d9a..91a43aa 100644
--- a/silk/resampler_private_IIR_FIR.c
+++ b/silk/resampler_private_IIR_FIR.c
@@ -75,10 +75,10 @@ void silk_resampler_private_IIR_FIR(
silk_resampler_state_struct *S = (silk_resampler_state_struct *)SS;
opus_int32 nSamplesIn;
opus_int32 max_index_Q16, index_increment_Q16;
- opus_int16 buf[ RESAMPLER_MAX_BATCH_SIZE_IN + RESAMPLER_ORDER_FIR_12 ];
+ opus_int16 buf[ 2*RESAMPLER_MAX_BATCH_SIZE_IN + RESAMPLER_ORDER_FIR_12 ];
/* Copy buffered samples to start of buffer */
- silk_memcpy( buf, S->sFIR, RESAMPLER_ORDER_FIR_12 * sizeof( opus_int32 ) );
+ silk_memcpy( buf, S->sFIR, RESAMPLER_ORDER_FIR_12 * sizeof( opus_int16 ) );
/* Iterate over blocks of frameSizeIn input samples */
index_increment_Q16 = S->invRatio_Q16;
@@ -95,13 +95,13 @@ void silk_resampler_private_IIR_FIR(
if( inLen > 0 ) {
/* More iterations to do; copy last part of filtered signal to beginning of buffer */
- silk_memcpy( buf, &buf[ nSamplesIn << 1 ], RESAMPLER_ORDER_FIR_12 * sizeof( opus_int32 ) );
+ silk_memmove( buf, &buf[ nSamplesIn << 1 ], RESAMPLER_ORDER_FIR_12 * sizeof( opus_int16 ) );
} else {
break;
}
}
/* Copy last part of filtered signal to the state for the next call */
- silk_memcpy( S->sFIR, &buf[ nSamplesIn << 1 ], RESAMPLER_ORDER_FIR_12 * sizeof( opus_int32 ) );
+ silk_memcpy( S->sFIR, &buf[ nSamplesIn << 1 ], RESAMPLER_ORDER_FIR_12 * sizeof( opus_int16 ) );
}
diff --git a/src/opus_decoder.c b/src/opus_decoder.c
index 0cc56f8..8a30fbc 100644
--- a/src/opus_decoder.c
+++ b/src/opus_decoder.c
@@ -595,16 +595,14 @@ static int opus_packet_parse_impl(const unsigned char *data, int len,
/* Padding flag is bit 6 */
if (ch&0x40)
{
- int padding=0;
int p;
do {
if (len<=0)
return OPUS_INVALID_PACKET;
p = *data++;
len--;
- padding += p==255 ? 254: p;
+ len -= p==255 ? 254: p;
} while (p==255);
- len -= padding;
}
if (len<0)
return OPUS_INVALID_PACKET;
diff --git a/run_vectors.sh b/run_vectors.sh
index 7cd23ed..4841b0a 100755
--- a/run_vectors.sh
+++ b/run_vectors.sh
@@ -1,3 +1,5 @@
+#!/bin/sh
+#
# Copyright (c) 2011-2012 IETF Trust, Jean-Marc Valin. All rights reserved.
#
# This file is extracted from RFC6716. Please see that RFC for additional
@@ -31,10 +33,8 @@
# NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
# SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-#!/bin/sh
-
-rm logs_mono.txt
-rm logs_stereo.txt
+rm -f logs_mono.txt logs_mono2.txt
+rm -f logs_stereo.txt logs_stereo2.txt
if [ "$#" -ne "3" ]; then
echo "usage: run_vectors.sh <exec path> <vector path> <rate>"
@@ -45,18 +45,23 @@ CMD_PATH=$1
VECTOR_PATH=$2
RATE=$3
-OPUS_DEMO=$CMD_PATH/opus_demo
-OPUS_COMPARE=$CMD_PATH/opus_compare
+: ${OPUS_DEMO:=$CMD_PATH/opus_demo}
+: ${OPUS_COMPARE:=$CMD_PATH/opus_compare}
if [ -d $VECTOR_PATH ]; then
echo Test vectors found in $VECTOR_PATH
else
echo No test vectors found
- #Don't make the test fail here because the test vectors will be
- #distributed separately
+ #Don't make the test fail here because the test vectors
+ #will be distributed separately
exit 0
fi
+if [ ! -x $OPUS_COMPARE ]; then
+ echo ERROR: Compare program not found: $OPUS_COMPARE
+ exit 1
+fi
+
if [ -x $OPUS_DEMO ]; then
echo Decoding with $OPUS_DEMO
else
@@ -82,9 +87,11 @@ do
echo ERROR: decoding failed
exit 1
fi
- $OPUS_COMPARE -r $RATE $VECTOR_PATH/testvector$file.dec tmp.out >> logs_mono.txt 2>&1
+ $OPUS_COMPARE -r $RATE $VECTOR_PATH/testvector${file}.dec tmp.out >> logs_mono.txt 2>&1
float_ret=$?
- if [ "$float_ret" -eq "0" ]; then
+ $OPUS_COMPARE -r $RATE $VECTOR_PATH/testvector${file}m.dec tmp.out >> logs_mono2.txt 2>&1
+ float_ret2=$?
+ if [ "$float_ret" -eq "0" ] || [ "$float_ret2" -eq "0" ]; then
echo output matches reference
else
echo ERROR: output does not match reference
@@ -111,9 +118,11 @@ do
echo ERROR: decoding failed
exit 1
fi
- $OPUS_COMPARE -s -r $RATE $VECTOR_PATH/testvector$file.dec tmp.out >> logs_stereo.txt 2>&1
+ $OPUS_COMPARE -s -r $RATE $VECTOR_PATH/testvector${file}.dec tmp.out >> logs_stereo.txt 2>&1
float_ret=$?
- if [ "$float_ret" -eq "0" ]; then
+ $OPUS_COMPARE -s -r $RATE $VECTOR_PATH/testvector${file}m.dec tmp.out >> logs_stereo2.txt 2>&1
+ float_ret2=$?
+ if [ "$float_ret" -eq "0" ] || [ "$float_ret2" -eq "0" ]; then
echo output matches reference
else
echo ERROR: output does not match reference
@@ -125,5 +134,10 @@ done
echo All tests have passed successfully
-grep quality logs_mono.txt | awk '{sum+=$4}END{print "Average mono quality is", sum/NR, "%"}'
-grep quality logs_stereo.txt | awk '{sum+=$4}END{print "Average stereo quality is", sum/NR, "%"}'
+mono1=`grep quality logs_mono.txt | awk '{sum+=$4}END{if (NR == 12) sum /= 12; else sum = 0; print sum}'`
+mono2=`grep quality logs_mono2.txt | awk '{sum+=$4}END{if (NR == 12) sum /= 12; else sum = 0; print sum}'`
+echo $mono1 $mono2 | awk '{if ($2 > $1) $1 = $2; print "Average mono quality is", $1, "%"}'
+
+stereo1=`grep quality logs_stereo.txt | awk '{sum+=$4}END{if (NR == 12) sum /= 12; else sum = 0; print sum}'`
+stereo2=`grep quality logs_stereo2.txt | awk '{sum+=$4}END{if (NR == 12) sum /= 12; else sum = 0; print sum}'`
+echo $stereo1 $stereo2 | awk '{if ($2 > $1) $1 = $2; print "Average stereo quality is", $1, "%"}'
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