diff options
| -rw-r--r-- | media/libstagefright/codecs/aacdec/SoftAAC2.cpp | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/media/libstagefright/codecs/aacdec/SoftAAC2.cpp b/media/libstagefright/codecs/aacdec/SoftAAC2.cpp index f842e27..2f5eff4 100644 --- a/media/libstagefright/codecs/aacdec/SoftAAC2.cpp +++ b/media/libstagefright/codecs/aacdec/SoftAAC2.cpp @@ -30,7 +30,7 @@ #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 */ +#define MAX_CHANNEL_COUNT 8 /* 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" #define PROP_DRC_OVERRIDE_CUT "aac_drc_cut" @@ -296,8 +296,11 @@ void SoftAAC2::maybeConfigureDownmix() const { if (!(property_get("media.aac_51_output_enabled", value, NULL) && (!strcmp(value, "1") || !strcasecmp(value, "true")))) { ALOGI("Downmixing multichannel AAC to stereo"); - aacDecoder_SetParam(mAACDecoder, AAC_PCM_OUTPUT_CHANNELS, 2); + aacDecoder_SetParam(mAACDecoder, AAC_PCM_MAX_OUTPUT_CHANNELS, 2); mStreamInfo->numChannels = 2; + // By default, the decoder creates a 5.1 channel downmix signal + // for seven and eight channel input streams. To enable 6.1 and 7.1 channel output + // use aacDecoder_SetParam(mAACDecoder, AAC_PCM_MAX_OUTPUT_CHANNELS, -1) } } } |