Merge "audioflinger: fix missing track metadata"

            .content_type = mAttr.content_type,

            .content_type = mAttr.content_type,

            .gain = mFinalVolume,

            .gain = mFinalVolume,

    };

    };

    // When attributes are undefined, derive default values from stream type.

    // See AudioAttributes.java, usageForStreamType() and Builder.setInternalLegacyStreamType()

    if (mAttr.usage == AUDIO_USAGE_UNKNOWN) {

        switch (mStreamType) {

        case AUDIO_STREAM_VOICE_CALL:

            metadata.base.usage = AUDIO_USAGE_VOICE_COMMUNICATION;

            metadata.base.content_type = AUDIO_CONTENT_TYPE_SPEECH;

            break;

        case AUDIO_STREAM_SYSTEM:

            metadata.base.usage = AUDIO_USAGE_ASSISTANCE_SONIFICATION;

            metadata.base.content_type = AUDIO_CONTENT_TYPE_SONIFICATION;

            break;

        case AUDIO_STREAM_RING:

            metadata.base.usage = AUDIO_USAGE_NOTIFICATION_TELEPHONY_RINGTONE;

            metadata.base.content_type = AUDIO_CONTENT_TYPE_SONIFICATION;

            break;

        case AUDIO_STREAM_MUSIC:

            metadata.base.usage = AUDIO_USAGE_MEDIA;

            metadata.base.content_type = AUDIO_CONTENT_TYPE_MUSIC;

            break;

        case AUDIO_STREAM_ALARM:

            metadata.base.usage = AUDIO_USAGE_ALARM;

            metadata.base.content_type = AUDIO_CONTENT_TYPE_SONIFICATION;

            break;

        case AUDIO_STREAM_NOTIFICATION:

            metadata.base.usage = AUDIO_USAGE_NOTIFICATION;

            metadata.base.content_type = AUDIO_CONTENT_TYPE_SONIFICATION;

            break;

        case AUDIO_STREAM_DTMF:

            metadata.base.usage = AUDIO_USAGE_VOICE_COMMUNICATION_SIGNALLING;

            metadata.base.content_type = AUDIO_CONTENT_TYPE_SONIFICATION;

            break;

        case AUDIO_STREAM_ACCESSIBILITY:

            metadata.base.usage = AUDIO_USAGE_ASSISTANCE_ACCESSIBILITY;

            metadata.base.content_type = AUDIO_CONTENT_TYPE_SPEECH;

            break;

        case AUDIO_STREAM_ASSISTANT:

            metadata.base.usage = AUDIO_USAGE_ASSISTANT;

            metadata.base.content_type = AUDIO_CONTENT_TYPE_SPEECH;

            break;

        case AUDIO_STREAM_REROUTING:

            metadata.base.usage = AUDIO_USAGE_VIRTUAL_SOURCE;

            // unknown content type

            break;

        case AUDIO_STREAM_CALL_ASSISTANT:

            metadata.base.usage = AUDIO_USAGE_CALL_ASSISTANT;

            metadata.base.content_type = AUDIO_CONTENT_TYPE_SPEECH;

            break;

        default:

            break;

        }

    }

    metadata.channel_mask = mChannelMask,

    metadata.channel_mask = mChannelMask,

    strncpy(metadata.tags, mAttr.tags, AUDIO_ATTRIBUTES_TAGS_MAX_SIZE);

    strncpy(metadata.tags, mAttr.tags, AUDIO_ATTRIBUTES_TAGS_MAX_SIZE);

    *backInserter++ = metadata;

    *backInserter++ = metadata;