Better default AAC DRC setting
By default, use boost and attenuation together.
bug 7140036
Change-Id: Ie0565f9e5cd24f7a59b5a218b4e6186661832601
diff --git a/media/libstagefright/codecs/aacdec/SoftAAC2.cpp b/media/libstagefright/codecs/aacdec/SoftAAC2.cpp
index 8ba2afb..5eeda5c 100644
--- a/media/libstagefright/codecs/aacdec/SoftAAC2.cpp
+++ b/media/libstagefright/codecs/aacdec/SoftAAC2.cpp
@@ -29,6 +29,7 @@
#define DRC_DEFAULT_MOBILE_REF_LEVEL 64 /* 64*-0.25dB = -16 dB below full scale for mobile conf */
#define DRC_DEFAULT_MOBILE_DRC_CUT 127 /* maximum compression of dynamic range for mobile conf */
+#define DRC_DEFAULT_MOBILE_DRC_BOOST 127 /* maximum compression of dynamic range for mobile conf */
#define MAX_CHANNEL_COUNT 6 /* maximum number of audio channels that can be decoded */
// names of properties that can be used to override the default DRC settings
#define PROP_DRC_OVERRIDE_REF_LEVEL "aac_drc_reference_level"
@@ -146,6 +147,8 @@
unsigned boost = atoi(value);
ALOGV("AAC decoder using AAC_DRC_BOOST_FACTOR of %d", boost);
aacDecoder_SetParam(mAACDecoder, AAC_DRC_BOOST_FACTOR, boost);
+ } else {
+ aacDecoder_SetParam(mAACDecoder, AAC_DRC_BOOST_FACTOR, DRC_DEFAULT_MOBILE_DRC_BOOST);
}
return status;