package nodomain.freeyourgadget.gadgetbridge.devices.huawei;
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import java.util.ArrayList;
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import java.util.Arrays;
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import java.util.List;
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public class HuaweiMusicUtils {
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public static class PageStruct {
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public short startFrame = 0;
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public short endFrame = 0;
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public short count = 0;
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public byte[] hashCode = null;
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@Override
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public String toString() {
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final StringBuffer sb = new StringBuffer("PageStruct{");
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sb.append("startFrame=").append(startFrame);
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sb.append(", endFrame=").append(endFrame);
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sb.append(", count=").append(count);
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sb.append(", hashCode=");
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if (hashCode == null) sb.append("null");
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else {
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sb.append('[');
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for (int i = 0; i < hashCode.length; ++i)
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sb.append(i == 0 ? "" : ", ").append(hashCode[i]);
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sb.append(']');
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}
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sb.append('}');
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return sb.toString();
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}
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}
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public static class FormatRestrictions {
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public byte formatIdx = -1;
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public String[] sampleRates = null;
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public byte musicEncode = -1; // TODO: not sure
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public short bitrate = -1;
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public byte channels = 2;
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public short unknownBitrate = -1; // TODO: not sure
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// TODO: I am not sure about this. Most of formats unknown for me.
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private static final String[] formats = {"mp3", "wav", "aac", "sbc", "msbc", "hwa", "cvsd", "pcm", "ape", "m4a", "flac", "opus", "ogg", "butt", "amr", "imy"};
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public String getName() {
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return (formatIdx >= 0 && formatIdx < formats.length)?formats[formatIdx]:null;
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}
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@Override
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public String toString() {
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final StringBuffer sb = new StringBuffer("FormatRestrictions{");
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sb.append("formatIdx=").append(formatIdx);
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sb.append(", sampleRates=").append(Arrays.toString(sampleRates));
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sb.append(", musicEncode=").append(musicEncode);
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sb.append(", bitrate=").append(bitrate);
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sb.append(", channels=").append(channels);
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sb.append(", unknownBitrate=").append(unknownBitrate);
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sb.append('}');
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return sb.toString();
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}
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}
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public static class MusicCapabilities {
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public int availableSpace = 0;
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public List<String> supportedFormats = null;
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public int maxMusicCount = 0;
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public int maxPlaylistCount = 0;
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public int currentMusicCount = 0; // TODO: not sure
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public int unknown = 0; // TODO: not sure
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public List<FormatRestrictions> formatsRestrictions = null;
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@Override
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public String toString() {
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final StringBuffer sb = new StringBuffer("MusicCapabilities{");
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sb.append("availableSpace=").append(availableSpace);
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sb.append(", supportedFormats=").append(supportedFormats);
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sb.append(", maxMusicCount=").append(maxMusicCount);
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sb.append(", maxPlaylistCount=").append(maxPlaylistCount);
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sb.append(", currentMusicCount=").append(currentMusicCount);
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sb.append(", unknown=").append(unknown);
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sb.append(", formatsRestrictions=").append(formatsRestrictions);
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sb.append('}');
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return sb.toString();
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}
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}
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// TODO: I am not sure about this. Most of formats unknown for me.
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private static final String[] formatsByte0 = {"mp3", "wav", "aac", "sbc", "msbc", "hwa", "cvsd"};
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private static final String[] formatsByte1 = {"pcm", "ape", "m4a", "flac", "opus", "ogg", "butt"};
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private static final String[] formatsByte2 = {"amr", "imy"};
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public static void parseNext(int dt, String[] info, List<String> res) {
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for (byte k = 0; k < info.length; k++) {
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if ((dt & (1 << k)) != 0) {
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res.add(info[k]);
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}
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}
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}
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public static List<String> parseFormats(List<Integer> data) {
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List<String> res = new ArrayList<>();
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if (data.size() >= 1) {
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parseNext(data.get(0), formatsByte0, res);
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}
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if (data.size() >= 2) {
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parseNext(data.get(1), formatsByte1, res);
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}
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if (data.size() >= 3) {
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parseNext(data.get(2), formatsByte2, res);
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}
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return res;
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}
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public static List<String> parseFormatBits(byte[] formatBits) {
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if (formatBits.length == 0)
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return null;
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List<Integer> toDecode = new ArrayList<>();
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for (byte formatBit : formatBits) {
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int dt = formatBit & 0xFF;
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toDecode.add(dt);
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if ((dt & 128) == 0) break;
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}
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return parseFormats(toDecode);
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}
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}
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