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-rw-r--r--libFDK/src/nlc_dec.cpp28
1 files changed, 13 insertions, 15 deletions
diff --git a/libFDK/src/nlc_dec.cpp b/libFDK/src/nlc_dec.cpp
index 8b2f97d..3733d98 100644
--- a/libFDK/src/nlc_dec.cpp
+++ b/libFDK/src/nlc_dec.cpp
@@ -1,7 +1,7 @@
/* -----------------------------------------------------------------------------
Software License for The Fraunhofer FDK AAC Codec Library for Android
-© Copyright 1995 - 2018 Fraunhofer-Gesellschaft zur Förderung der angewandten
+© Copyright 1995 - 2020 Fraunhofer-Gesellschaft zur Förderung der angewandten
Forschung e.V. All rights reserved.
1. INTRODUCTION
@@ -568,12 +568,12 @@ bail:
static ERROR_t huff_decode(HANDLE_FDK_BITSTREAM strm, SCHAR* out_data_1,
SCHAR* out_data_2, DATA_TYPE data_type,
DIFF_TYPE diff_type_1, DIFF_TYPE diff_type_2,
- int num_val, int* cdg_scheme, int ldMode) {
+ int num_val, PAIRING* pairing_scheme, int ldMode) {
ERROR_t err = HUFFDEC_OK;
+ CODING_SCHEME coding_scheme = HUFF_1D;
DIFF_TYPE diff_type;
int i = 0;
- ULONG data = 0;
SCHAR pair_vec[28][2];
@@ -596,15 +596,13 @@ static ERROR_t huff_decode(HANDLE_FDK_BITSTREAM strm, SCHAR* out_data_1,
int hufYY;
/* Coding scheme */
- data = FDKreadBits(strm, 1);
- *cdg_scheme = (data << PAIR_SHIFT);
+ coding_scheme = (CODING_SCHEME)FDKreadBits(strm, 1);
- if (*cdg_scheme >> PAIR_SHIFT == HUFF_2D) {
+ if (coding_scheme == HUFF_2D) {
if ((out_data_1 != NULL) && (out_data_2 != NULL) && (ldMode == 0)) {
- data = FDKreadBits(strm, 1);
- *cdg_scheme = (*cdg_scheme | data);
+ *pairing_scheme = (PAIRING)FDKreadBits(strm, 1);
} else {
- *cdg_scheme = (*cdg_scheme | FREQ_PAIR);
+ *pairing_scheme = FREQ_PAIR;
}
}
@@ -613,7 +611,7 @@ static ERROR_t huff_decode(HANDLE_FDK_BITSTREAM strm, SCHAR* out_data_1,
hufYY2 = diff_type_2;
}
- switch (*cdg_scheme >> PAIR_SHIFT) {
+ switch (coding_scheme) {
case HUFF_1D:
p0_flag[0] = (diff_type_1 == DIFF_FREQ);
p0_flag[1] = (diff_type_2 == DIFF_FREQ);
@@ -634,7 +632,7 @@ static ERROR_t huff_decode(HANDLE_FDK_BITSTREAM strm, SCHAR* out_data_1,
case HUFF_2D:
- switch (*cdg_scheme & PAIR_MASK) {
+ switch (*pairing_scheme) {
case FREQ_PAIR:
if (out_data_1 != NULL) {
@@ -843,7 +841,7 @@ ERROR_t EcDataPairDec(DECODER_TYPE DECODER, HANDLE_FDK_BITSTREAM strm,
SCHAR* pDataVec[2] = {NULL, NULL};
DIFF_TYPE diff_type[2] = {DIFF_FREQ, DIFF_FREQ};
- int cdg_scheme = HUFF_1D;
+ PAIRING pairing = FREQ_PAIR;
DIRECTION direction = BACKWARDS;
switch (data_type) {
@@ -959,7 +957,7 @@ ERROR_t EcDataPairDec(DECODER_TYPE DECODER, HANDLE_FDK_BITSTREAM strm,
}
/* Huffman decoding */
err = huff_decode(strm, pDataVec[0], pDataVec[1], data_type, diff_type[0],
- diff_type[1], dataBands, &cdg_scheme,
+ diff_type[1], dataBands, &pairing,
(DECODER == SAOC_DECODER));
if (err != HUFFDEC_OK) {
return HUFFDEC_NOTOK;
@@ -986,8 +984,8 @@ ERROR_t EcDataPairDec(DECODER_TYPE DECODER, HANDLE_FDK_BITSTREAM strm,
}
}
- mixed_time_pair = (diff_type[0] != diff_type[1]) &&
- ((cdg_scheme & PAIR_MASK) == TIME_PAIR);
+ mixed_time_pair =
+ (diff_type[0] != diff_type[1]) && (pairing == TIME_PAIR);
if (direction == BACKWARDS) {
if (diff_type[0] == DIFF_FREQ) {