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-rw-r--r--libAACenc/src/aacenc.h3
-rw-r--r--libAACenc/src/aacenc_lib.cpp7
-rw-r--r--libAACenc/src/channel_map.cpp16
-rw-r--r--libAACenc/src/intensity.cpp9
4 files changed, 32 insertions, 3 deletions
diff --git a/libAACenc/src/aacenc.h b/libAACenc/src/aacenc.h
index 87fc3e8..ed167c2 100644
--- a/libAACenc/src/aacenc.h
+++ b/libAACenc/src/aacenc.h
@@ -173,7 +173,8 @@ typedef enum {
typedef enum {
CH_ORDER_MPEG = 0, /*!< MPEG channel ordering (e. g. 5.1: C, L, R, SL, SR, LFE) */
- CH_ORDER_WAV /*!< WAV fileformat channel ordering (e. g. 5.1: L, R, C, LFE, SL, SR) */
+ CH_ORDER_WAV, /*!< WAV fileformat channel ordering (e. g. 5.1: L, R, C, LFE, SL, SR) */
+ CH_ORDER_WG4 /*!< WG4 fileformat channel ordering (e. g. 5.1: L, R, SL, SR, C, LFE) */
} CHANNEL_ORDER;
diff --git a/libAACenc/src/aacenc_lib.cpp b/libAACenc/src/aacenc_lib.cpp
index 49f8225..95c08b3 100644
--- a/libAACenc/src/aacenc_lib.cpp
+++ b/libAACenc/src/aacenc_lib.cpp
@@ -1818,6 +1818,11 @@ AACENC_ERROR aacEncoder_SetParam(
if (settings->userBitrateMode != value) {
switch ( value ) {
case 0:
+ case 1:
+ case 2:
+ case 3:
+ case 4:
+ case 5:
case 8:
settings->userBitrateMode = value;
hAacEncoder->InitFlags |= AACENC_INIT_CONFIG | AACENC_INIT_TRANSPORT;
@@ -1871,7 +1876,7 @@ AACENC_ERROR aacEncoder_SetParam(
break;
case AACENC_CHANNELORDER:
if (hAacEncoder->aacConfig.channelOrder != (CHANNEL_ORDER)value) {
- if (! ((value==0) || (value==1)) ) {
+ if (! ((value==0) || (value==1) || (value==2)) ) {
err = AACENC_INVALID_CONFIG;
break;
}
diff --git a/libAACenc/src/channel_map.cpp b/libAACenc/src/channel_map.cpp
index 559a4ce..99ed2b5 100644
--- a/libAACenc/src/channel_map.cpp
+++ b/libAACenc/src/channel_map.cpp
@@ -157,6 +157,18 @@ static const CHANNEL_ASSIGNMENT_INFO_TAB assignmentInfoTabWav[] =
{ MODE_7_1_FRONT_CENTER, { 2, 6, 7, 0, 1, 4, 5, 3,-1,-1,-1,-1} }, /* 7.1ch */
};
+static const CHANNEL_ASSIGNMENT_INFO_TAB assignmentInfoTabWg4[] =
+{
+ { MODE_INVALID, {-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1} }, /* invalid */
+ { MODE_1, { 0,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1} }, /* mono */
+ { MODE_2, { 0, 1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1} }, /* stereo */
+ { MODE_1_2, { 2, 0, 1,-1,-1,-1,-1,-1,-1,-1,-1,-1} }, /* 3ch */
+ { MODE_1_2_1, { 3, 0, 1, 2,-1,-1,-1,-1,-1,-1,-1,-1} }, /* 4ch */
+ { MODE_1_2_2, { 4, 0, 1, 2, 3,-1,-1,-1,-1,-1,-1,-1} }, /* 5ch */
+ { MODE_1_2_2_1, { 4, 0, 1, 2, 3, 5,-1,-1,-1,-1,-1,-1} }, /* 5.1ch */
+ { MODE_1_2_2_2_1, { 6, 0, 1, 2, 3, 4, 5, 7,-1,-1,-1,-1} }, /* 7.1ch */
+};
+
/* Channel mode configuration tab provides,
corresponding number of channels and elements
*/
@@ -182,8 +194,10 @@ const INT* FDKaacEnc_getChannelAssignment(CHANNEL_MODE encMode, CHANNEL_ORDER co
if (co == CH_ORDER_MPEG)
pTab = assignmentInfoTabMpeg;
- else
+ else if (co == CH_ORDER_WAV)
pTab = assignmentInfoTabWav;
+ else
+ pTab = assignmentInfoTabWg4;
for(i=MAX_MODES-1; i>0; i--) {
if (encMode== pTab[i].encoderMode) {
diff --git a/libAACenc/src/intensity.cpp b/libAACenc/src/intensity.cpp
index 6d807f7..3807233 100644
--- a/libAACenc/src/intensity.cpp
+++ b/libAACenc/src/intensity.cpp
@@ -593,6 +593,7 @@ void FDKaacEnc_IntensityStereoProcessing(
FIXP_DBL realIsScale[MAX_GROUPED_SFB];
INTENSITY_PARAMETERS isParams;
INT isMask[MAX_GROUPED_SFB];
+ INT lastValIs = 0, delta;
FDKmemclear((void*)isBook,sfbCnt*sizeof(INT));
FDKmemclear((void*)isMask,sfbCnt*sizeof(INT));
@@ -748,6 +749,14 @@ void FDKaacEnc_IntensityStereoProcessing(
isScale[sfb+sfboffs] = (INT)(((realIsScale[sfb+sfboffs]>>1)+FL2FXCONST_DBL(0.5f/(1<<(REAL_SCALE_SF+LD_DATA_SHIFT+1))))>>(DFRACT_BITS-1-REAL_SCALE_SF-LD_DATA_SHIFT-1));
}
+ delta = isScale[sfb+sfboffs] - lastValIs;
+ if (delta < -CODE_BOOK_SCF_LAV) {
+ isScale[sfb+sfboffs] = lastValIs - CODE_BOOK_SCF_LAV;
+ } else if (delta + CODE_BOOK_SCF_LAV >= (INT)(sizeof(FDKaacEnc_huff_ltabscf)/sizeof(FDKaacEnc_huff_ltabscf[0]))) {
+ isScale[sfb+sfboffs] = lastValIs + sizeof(FDKaacEnc_huff_ltabscf)/sizeof(FDKaacEnc_huff_ltabscf[0]) - CODE_BOOK_SCF_LAV - 1;
+ }
+ lastValIs = isScale[sfb+sfboffs];
+
sfbEnergyRight[sfb+sfboffs] = FL2FXCONST_DBL(0.0f);
sfbEnergyLdDataRight[sfb+sfboffs] = FL2FXCONST_DBL(-1.0f);
sfbThresholdRight[sfb+sfboffs] = FL2FXCONST_DBL(0.0f);