From 31f66f6d3ffcfa429c170b2c35250982d11f5082 Mon Sep 17 00:00:00 2001 From: Fraunhofer IIS FDK Date: Thu, 19 Dec 2019 17:21:07 +0100 Subject: Extend decoder API with audio output loudness info (FDKdec v3.1.3). Bug: 148385721 Test: atest DecoderTestXheAac DecoderTestAacDrc Change-Id: I68b09883def21baef259c9ab914922567ab8cee3 --- libDRCdec/include/FDK_drcDecLib.h | 11 ++++++++--- libDRCdec/src/FDK_drcDecLib.cpp | 2 ++ libDRCdec/src/drcDec_selectionProcess.cpp | 11 +++++------ libDRCdec/src/drcDec_selectionProcess.h | 2 ++ 4 files changed, 17 insertions(+), 9 deletions(-) (limited to 'libDRCdec') diff --git a/libDRCdec/include/FDK_drcDecLib.h b/libDRCdec/include/FDK_drcDecLib.h index 2d28d23..79f8566 100644 --- a/libDRCdec/include/FDK_drcDecLib.h +++ b/libDRCdec/include/FDK_drcDecLib.h @@ -114,6 +114,8 @@ amm-info@iis.fraunhofer.de extern "C" { #endif +#define DRC_DEC_LOUDNESS_NOT_PRESENT (LONG)0x7FFFFFFE + typedef struct s_drc_decoder* HANDLE_DRC_DECODER; typedef struct s_uni_drc_interface* HANDLE_UNI_DRC_INTERFACE; typedef struct s_selection_process_output* HANDLE_SEL_PROC_OUTPUT; @@ -150,9 +152,12 @@ typedef enum { DRC_DEC_IS_ACTIVE, /**< MPEG-D DRC payload is present and at least one of Dynamic Range Control (DRC) or Loudness Normalization (LN) is activated */ - DRC_DEC_TARGET_CHANNEL_COUNT_SELECTED /**< number of output channels if - appropriate downmixInstruction exists - */ + DRC_DEC_TARGET_CHANNEL_COUNT_SELECTED, /**< number of output channels if + appropriate downmixInstruction + exists */ + DRC_DEC_OUTPUT_LOUDNESS /**< output loudness in dB, with exponent e = 7, or + DRC_DEC_LOUDNESS_NOT_PRESENT if no loudness is + contained in the bitstream */ } DRC_DEC_USERPARAM; typedef enum { diff --git a/libDRCdec/src/FDK_drcDecLib.cpp b/libDRCdec/src/FDK_drcDecLib.cpp index e43279f..83b5773 100644 --- a/libDRCdec/src/FDK_drcDecLib.cpp +++ b/libDRCdec/src/FDK_drcDecLib.cpp @@ -519,6 +519,8 @@ LONG FDK_drcDec_GetParam(HANDLE_DRC_DECODER hDrcDec, } case DRC_DEC_TARGET_CHANNEL_COUNT_SELECTED: return (LONG)hDrcDec->selProcOutput.targetChannelCount; + case DRC_DEC_OUTPUT_LOUDNESS: + return (LONG)hDrcDec->selProcOutput.outputLoudness; default: return 0; } diff --git a/libDRCdec/src/drcDec_selectionProcess.cpp b/libDRCdec/src/drcDec_selectionProcess.cpp index fe6034c..46ed740 100644 --- a/libDRCdec/src/drcDec_selectionProcess.cpp +++ b/libDRCdec/src/drcDec_selectionProcess.cpp @@ -103,8 +103,6 @@ amm-info@iis.fraunhofer.de #include "drcDec_selectionProcess.h" #include "drcDec_tools.h" -#define UNDEFINED_LOUDNESS_VALUE (FIXP_DBL) MAXVAL_DBL - typedef enum { DETR_NONE = 0, DETR_NIGHT = 1, @@ -1136,9 +1134,8 @@ static DRCDEC_SELECTION_PROCESS_RETURN _preSelectionRequirement8( FIXP_DBL loudnessDeviationMax = ((FIXP_DBL)hSelProcInput->loudnessDeviationMax) << (DFRACT_BITS - 1 - 7); - ; - if (hSelProcInput->loudnessNormalizationOn) { + { retVal = _getLoudness(hLoudnessInfoSet, hSelProcInput->albumMode, hSelProcInput->loudnessMeasurementMethod, hSelProcInput->loudnessMeasurementSystem, @@ -1147,9 +1144,10 @@ static DRCDEC_SELECTION_PROCESS_RETURN _preSelectionRequirement8( hSelProcInput->downmixIdRequested[downmixIdIndex], &loudnessNormalizationGainDb, &loudness); if (retVal) return (retVal); - } else { + } + + if (!hSelProcInput->loudnessNormalizationOn) { loudnessNormalizationGainDb = (FIXP_DBL)0; - loudness = UNDEFINED_LOUDNESS_VALUE; } retVal = _getSignalPeakLevel( @@ -2070,6 +2068,7 @@ static DRCDEC_SELECTION_PROCESS_RETURN _generateOutputInfo( pSelectionData->loudnessNormalizationGainDbAdjusted + hSelProcInput->loudnessNormalizationGainModificationDb; hSelProcOutput->outputPeakLevelDb = pSelectionData->outputPeakLevel; + hSelProcOutput->outputLoudness = pSelectionData->outputLoudness; hSelProcOutput->boost = boost; hSelProcOutput->compress = compress; diff --git a/libDRCdec/src/drcDec_selectionProcess.h b/libDRCdec/src/drcDec_selectionProcess.h index 420bae6..0f878cf 100644 --- a/libDRCdec/src/drcDec_selectionProcess.h +++ b/libDRCdec/src/drcDec_selectionProcess.h @@ -111,6 +111,8 @@ amm-info@iis.fraunhofer.de typedef struct s_drcdec_selection_process* HANDLE_DRC_SELECTION_PROCESS; +#define UNDEFINED_LOUDNESS_VALUE (FIXP_DBL)(MAXVAL_DBL - 1) + typedef enum { DRCDEC_SELECTION_PROCESS_NO_ERROR = 0, -- cgit v1.2.3