diff options
Diffstat (limited to 'libAACdec/src/aacdecoder_lib.cpp')
| -rw-r--r-- | libAACdec/src/aacdecoder_lib.cpp | 34 |
1 files changed, 33 insertions, 1 deletions
diff --git a/libAACdec/src/aacdecoder_lib.cpp b/libAACdec/src/aacdecoder_lib.cpp index e90dbef..2ba0e86 100644 --- a/libAACdec/src/aacdecoder_lib.cpp +++ b/libAACdec/src/aacdecoder_lib.cpp @@ -120,7 +120,7 @@ amm-info@iis.fraunhofer.de /* Decoder library info */ #define AACDECODER_LIB_VL0 3 #define AACDECODER_LIB_VL1 1 -#define AACDECODER_LIB_VL2 2 +#define AACDECODER_LIB_VL2 3 #define AACDECODER_LIB_TITLE "AAC Decoder Lib" #ifdef __ANDROID__ #define AACDECODER_LIB_BUILD_DATE "" @@ -1764,6 +1764,38 @@ aacDecoder_DecodeFrame(HANDLE_AACDECODER self, INT_PCM *pTimeData_extern, } } } + if (FDK_drcDec_GetParam(self->hUniDrcDecoder, DRC_DEC_IS_ACTIVE)) { + /* return output loudness information for MPEG-D DRC */ + LONG outputLoudness = + FDK_drcDec_GetParam(self->hUniDrcDecoder, DRC_DEC_OUTPUT_LOUDNESS); + if (outputLoudness == DRC_DEC_LOUDNESS_NOT_PRESENT) { + /* no valid MPEG-D DRC loudness value contained */ + self->streamInfo.outputLoudness = -1; + } else { + if (outputLoudness > 0) { + /* positive output loudness values (very unusual) are limited to 0 + * dB */ + self->streamInfo.outputLoudness = 0; + } else { + self->streamInfo.outputLoudness = + -(INT)outputLoudness >> + 22; /* negate and scale from e = 7 to e = (31-2) */ + } + } + } else { + /* return output loudness information for MPEG-4 DRC */ + if (self->streamInfo.drcProgRefLev < + 0) { /* no MPEG-4 DRC loudness metadata contained */ + self->streamInfo.outputLoudness = -1; + } else { + if (self->defaultTargetLoudness < + 0) { /* loudness normalization is off */ + self->streamInfo.outputLoudness = self->streamInfo.drcProgRefLev; + } else { + self->streamInfo.outputLoudness = self->defaultTargetLoudness; + } + } + } if (self->streamInfo.extAot != AOT_AAC_SLS) { INT pcmLimiterScale = 0; |