Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit b055f6ad authored by changbetty's avatar changbetty
Browse files

[LE] Convert the BluetoothLeBroadcastSubgroup to QR code format string 

Bug: 231428276
Test: Manual test
Change-Id: I7f598285c11568dd544c941fcdf00cc1651544a4
parent ae7d1beb

packages/SettingsLib/src/com/android/settingslib/bluetooth/LocalBluetoothLeBroadcastMetadata.java

+75 −1
Original line number Diff line number Diff line
@@ -25,6 +25,7 @@ import android.bluetooth.BluetoothLeBroadcastMetadata; 
import android.bluetooth.BluetoothLeBroadcastSubgroup;

import android.util.Log;



import java.nio.charset.StandardCharsets;

import java.util.ArrayList;

import java.util.Arrays;

import java.util.List;
@@ -95,6 +96,7 @@ public class LocalBluetoothLeBroadcastMetadata { 
    }



    public String convertToQrCodeString() {

        String subgroupString = convertSubgroupToString(mSubgroupList);

        return new StringBuilder()

                .append(BluetoothBroadcastUtils.SCHEME_BT_BROADCAST_METADATA)

                .append(BluetoothBroadcastUtils.PREFIX_BT_ADDRESS_TYPE)
@@ -122,11 +124,83 @@ public class LocalBluetoothLeBroadcastMetadata { 
                .append(METADATA_START).append(mPresentationDelayMicros).append(METADATA_END)

                .append(BluetoothBroadcastUtils.DELIMITER_QR_CODE)

                .append(BluetoothBroadcastUtils.PREFIX_BT_SUBGROUPS)

                .append(METADATA_START).append(mSubgroupList).append(METADATA_END)

                .append(METADATA_START).append(subgroupString).append(METADATA_END)

                .append(BluetoothBroadcastUtils.DELIMITER_QR_CODE)

                .toString();

    }



    private String convertSubgroupToString(List<BluetoothLeBroadcastSubgroup> subgroupList) {

        StringBuilder subgroupListBuilder = new StringBuilder();

        String subgroupString = "";

        for (BluetoothLeBroadcastSubgroup subgroup: subgroupList) {

            String audioCodec = convertAudioCodecConfigToString(subgroup.getCodecSpecificConfig());

            String audioContent = convertAudioContentToString(subgroup.getContentMetadata());

            String channels = convertChannelToString(subgroup.getChannels());

            subgroupString = new StringBuilder()

                    .append(BluetoothBroadcastUtils.PREFIX_BTSG_CODEC_ID)

                    .append(METADATA_START).append(subgroup.getCodecId()).append(METADATA_END)

                    .append(BluetoothBroadcastUtils.DELIMITER_QR_CODE)

                    .append(BluetoothBroadcastUtils.PREFIX_BTSG_CODEC_CONFIG)

                    .append(METADATA_START).append(audioCodec).append(METADATA_END)

                    .append(BluetoothBroadcastUtils.DELIMITER_QR_CODE)

                    .append(BluetoothBroadcastUtils.PREFIX_BTSG_AUDIO_CONTENT)

                    .append(METADATA_START).append(audioContent).append(METADATA_END)

                    .append(BluetoothBroadcastUtils.DELIMITER_QR_CODE)

                    .append(BluetoothBroadcastUtils.PREFIX_BTSG_BROADCAST_CHANNEL)

                    .append(METADATA_START).append(channels).append(METADATA_END)

                    .append(BluetoothBroadcastUtils.DELIMITER_QR_CODE)

                    .toString();

            subgroupListBuilder.append(subgroupString);

        }

        return subgroupListBuilder.toString();

    }



    private String convertAudioCodecConfigToString(BluetoothLeAudioCodecConfigMetadata config) {

        String audioLocation = String.valueOf(config.getAudioLocation());

        String rawMetadata = new String(config.getRawMetadata(), StandardCharsets.UTF_8);

        return new StringBuilder()

            .append(BluetoothBroadcastUtils.PREFIX_BTCC_AUDIO_LOCATION)

            .append(METADATA_START).append(audioLocation).append(METADATA_END)

            .append(BluetoothBroadcastUtils.DELIMITER_QR_CODE)

            .append(BluetoothBroadcastUtils.PREFIX_BTCC_RAW_METADATA)

            .append(METADATA_START).append(rawMetadata).append(METADATA_END)

            .append(BluetoothBroadcastUtils.DELIMITER_QR_CODE)

            .toString();

    }



    private String convertAudioContentToString(BluetoothLeAudioContentMetadata audioContent) {

        String rawMetadata = new String(audioContent.getRawMetadata(), StandardCharsets.UTF_8);

        return new StringBuilder()

            .append(BluetoothBroadcastUtils.PREFIX_BTAC_PROGRAM_INFO)

            .append(METADATA_START).append(audioContent.getProgramInfo()).append(METADATA_END)

            .append(BluetoothBroadcastUtils.DELIMITER_QR_CODE)

            .append(BluetoothBroadcastUtils.PREFIX_BTAC_LANGUAGE)

            .append(METADATA_START).append(audioContent.getLanguage()).append(METADATA_END)

            .append(BluetoothBroadcastUtils.DELIMITER_QR_CODE)

            .append(BluetoothBroadcastUtils.PREFIX_BTAC_RAW_METADATA)

            .append(METADATA_START).append(rawMetadata).append(METADATA_END)

            .append(BluetoothBroadcastUtils.DELIMITER_QR_CODE)

            .toString();

    }



    private String convertChannelToString(List<BluetoothLeBroadcastChannel> channelList) {

        StringBuilder channelListBuilder = new StringBuilder();

        String channelString = "";

        for (BluetoothLeBroadcastChannel channel: channelList) {

            String channelAudioCodec = convertAudioCodecConfigToString(channel.getCodecMetadata());

            channelString = new StringBuilder()

                .append(BluetoothBroadcastUtils.PREFIX_BTBC_CHANNEL_INDEX)

                .append(METADATA_START).append(channel.getChannelIndex()).append(METADATA_END)

                .append(BluetoothBroadcastUtils.DELIMITER_QR_CODE)

                .append(BluetoothBroadcastUtils.PREFIX_BTBC_CODEC_CONFIG)

                .append(METADATA_START).append(channelAudioCodec).append(METADATA_END)

                .append(BluetoothBroadcastUtils.DELIMITER_QR_CODE)

                .toString();

            channelListBuilder.append(channelString);

        }

        return channelListBuilder.toString();

    }



    /**

     * Example : prefix is with the “BT:”, and end by the Android Version.

     * BT:T:<1>;D:<00:11:22:AA:BB:CC>;AS:<1>;B:…;V:T;;