286 lines
8.7 KiB
Dart
286 lines
8.7 KiB
Dart
import 'dart:typed_data';
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import 'package:star_lock/app_settings/app_settings.dart';
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import 'package:star_lock/talk/call/g711.dart';
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import 'package:star_lock/talk/starChart/constant/message_type_constant.dart';
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import 'package:star_lock/talk/starChart/entity/scp_message.dart';
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import 'package:star_lock/talk/starChart/handle/other/h264_frame_handler.dart';
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import 'package:star_lock/talk/starChart/handle/scp_message_base_handle.dart';
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import 'package:star_lock/talk/starChart/handle/scp_message_handle.dart';
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import 'package:star_lock/talk/starChart/proto/talk_data.pb.dart';
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import 'package:star_lock/talk/starChart/proto/talk_data.pbserver.dart';
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import 'package:star_lock/talk/starChart/proto/talk_data_h264_frame.pb.dart';
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// class UdpTalkDataHandler extends ScpMessageBaseHandle
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// implements ScpMessageHandler {
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class UdpTalkDataHandler extends ScpMessageBaseHandle
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implements ScpMessageHandler {
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factory UdpTalkDataHandler() {
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return _instance;
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}
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UdpTalkDataHandler._internal();
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static final UdpTalkDataHandler _instance = UdpTalkDataHandler._internal();
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int _recentRecvDataRate = 0;
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int _recentRecvPacketCount = 0;
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int _recentSendDataRate = 0;
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int _recentSendPacketCount = 0;
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int _lastRecvDataRate = 0;
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int _lastRecvPacketCount = 0;
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int _lastSendDataRate = 0;
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int _lastSendPacketCount = 0;
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void updateRecvDataRate(int dataSize) {
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_recentRecvDataRate += dataSize;
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_recentRecvPacketCount++;
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}
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void updateSendDataRate(int dataSize) {
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_recentSendDataRate += dataSize;
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_recentSendPacketCount++;
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}
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void resetDataRates() {
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_lastRecvDataRate = _recentRecvDataRate;
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_lastRecvPacketCount = _recentRecvPacketCount;
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_lastSendDataRate = _recentSendDataRate;
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_lastSendPacketCount = _recentSendPacketCount;
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_recentRecvDataRate = 0;
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_recentRecvPacketCount = 0;
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_recentSendDataRate = 0;
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_recentSendPacketCount = 0;
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}
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int getLastRecvDataRate() {
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return _lastRecvDataRate;
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}
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int getLastRecvPacketCount() {
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return _lastRecvPacketCount;
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}
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int getLastSendDataRate() {
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return _lastSendDataRate;
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}
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int getLastSendPacketCount() {
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return _lastSendPacketCount;
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}
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@override
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void handleReq(ScpMessage scpMessage) {}
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@override
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void handleResp(ScpMessage scpMessage) {}
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@override
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void handleInvalidReq(ScpMessage scpMessage) {}
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@override
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void handleRealTimeData(ScpMessage scpMessage) {
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// 收到数据后调用更新，防止定时器超时
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talkDataOverTimeTimerManager.renew();
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if (scpMessage.Payload != null) {
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final TalkData talkData = scpMessage.Payload;
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// 处理音视频数据
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_handleTalkData(talkData: talkData);
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}
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}
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String bufferToHexString(List<int> buffer) {
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return buffer.map((byte) => byte.toRadixString(16).padLeft(2, '0')).join();
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}
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@override
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deserializePayload(
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{required int payloadType,
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required int messageType,
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required List<int> byte,
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int? offset,
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int? PayloadLength,
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int? spTotal,
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int? spIndex,
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int? messageId}) {
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// AppLog.log(
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// '没有组包之前的每一个包的数据:${byte.length} messageId:$messageId spTotal:$spTotal spIndex:$spIndex PayloadLength:$PayloadLength,byte:${bufferToHexString(byte)}');
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if (messageType == MessageTypeConstant.RealTimeData) {
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// 回声测试
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if (spTotal != null &&
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spTotal > 1 &&
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messageId != null &&
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spIndex != null) {
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// 分包处理
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return handleFragmentedPayload(
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messageId: messageId,
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spTotal: spTotal,
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spIndex: spIndex,
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byte: byte,
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payloadType: payloadType,
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);
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} else {
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// 没有分包直接解析
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final TalkData talkData = TalkData();
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talkData.mergeFromBuffer(byte);
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return talkData;
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}
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}
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}
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String listToHexString(List<int> intList) {
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// 将整数列表转换为十六进制字符串列表
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List<String> hexList = intList.map((num) => num.toRadixString(16)).toList();
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// 将十六进制字符串列表连接成一个字符串，没有空格
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return hexList.join('');
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}
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void _handleTalkData({required TalkData talkData}) {
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if (talkData == null) return;
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final contentType = talkData.contentType;
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switch (contentType) {
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case TalkData_ContentTypeE.H264:
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_handleVideoH264(talkData);
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break;
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case TalkData_ContentTypeE.Image:
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_handleVideoImage(talkData);
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break;
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case TalkData_ContentTypeE.G711:
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_handleVideoG711(talkData);
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break;
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default:
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print('❌未知的TalkData--->contentType类型');
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break;
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}
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}
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/// 处理h264协议的数据
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void _handleVideoH264(TalkData talkData) {
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final TalkDataH264Frame talkDataH264Frame = TalkDataH264Frame();
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talkDataH264Frame.mergeFromBuffer(talkData.content);
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frameHandler.handleFrame(talkDataH264Frame);
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AppLog.log(
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"帧：${talkDataH264Frame.frameType},帧序号：${talkDataH264Frame.frameSeq},对应I帧序号：${talkDataH264Frame.frameSeqI}");
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}
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/// 处理图片数据
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void _handleVideoImage(TalkData talkData) async {
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final List<Uint8List> processCompletePayload =
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await _processCompletePayload(Uint8List.fromList(talkData.content));
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processCompletePayload.forEach((element) {
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talkData.content = element;
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talkDataRepository.addTalkData(talkData);
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});
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}
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/// 处理g711音频数据
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void _handleVideoG711(TalkData talkData) {
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try {
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// final g711Data = talkData.content;
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// // 转pcm数据
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// List<int> pcmBytes = G711().convertList(g711Data);
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// talkData.content = pcmBytes;
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talkDataRepository.addTalkData(talkData);
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} catch (e) {
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print('Error decoding G.711 to PCM: $e');
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}
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}
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Future<List<Uint8List>> _processCompletePayload(Uint8List payload) async {
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List<Uint8List> frames = [];
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int startIdx = -1;
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final length = payload.length - 1;
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for (int i = 0; i < length; i++) {
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final currentByte = payload[i];
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final nextByte = payload[i + 1];
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if (currentByte == 0xFF) {
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if (nextByte == 0xD8) {
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startIdx = i;
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i++; // Skip the next byte
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} else if (nextByte == 0xD9 && startIdx != -1) {
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frames
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.add(Uint8List.view(payload.buffer, startIdx, i + 2 - startIdx));
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startIdx = -1;
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i++; // Skip the next byte
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}
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}
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}
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return frames;
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}
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// Future<List<Uint8List>> _processCompletePayload(Uint8List payload) async {
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// // 存储找到的所有完整帧
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// List<Uint8List> frames = [];
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//
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// // 手动遍历 payload
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// int i = 0;
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// while (i < payload.length - 1) {
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// // 寻找起始标志 0xFFD8
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// if (payload[i] == 0xFF && payload[i + 1] == 0xD8) {
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// int startIdx = i;
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// i += 2; // 跳过起始标志
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//
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// // 寻找结束标志 0xFFD9
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// while (i < payload.length - 1) {
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// if (payload[i] == 0xFF && payload[i + 1] == 0xD9) {
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// // 找到结束标志 0xFFD9
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// int endIdx = i + 2;
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// // 使用 Uint8List.view 创建视图，避免内存分配
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// frames.add(
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// Uint8List.view(payload.buffer, startIdx, endIdx - startIdx));
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// i = endIdx; // 继续寻找下一个帧
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// break;
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// } else {
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// i += 1; // 继续寻找结束标志
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// }
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// }
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// } else {
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// i += 1; // 继续寻找起始标志
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// }
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// }
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//
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// // 返回找到的所有完整帧
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// return frames;
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// }
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// Future<List<Uint8List>> _processCompletePayload(Uint8List payload) async {
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// // 存储找到的所有完整帧
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// List<Uint8List> frames = [];
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//
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// // 寻找完整帧 (0xFFD8 开始, 0xFFD9 结束)
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// int startIdx = 0;
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// while (startIdx < payload.length - 1) {
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// // 找到帧的起始标志 0xFFD8
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// startIdx = payload.indexOf(0xFF, startIdx);
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// if (startIdx == -1 || startIdx + 1 >= payload.length) break;
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// if (payload[startIdx + 1] == 0xD8) {
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// // 找到帧的起始标志 0xFFD8
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// int endIdx = startIdx + 2;
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// while (endIdx < payload.length - 1) {
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// endIdx = payload.indexOf(0xFF, endIdx);
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// if (endIdx == -1 || endIdx + 1 >= payload.length) break;
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// if (payload[endIdx + 1] == 0xD9) {
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// // 找到帧的结束标志 0xFFD9
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// Uint8List frame = payload.sublist(startIdx, endIdx + 2);
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// frames.add(frame);
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// startIdx = endIdx + 2; // 继续寻找下一个帧
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// break;
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// } else {
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// endIdx += 1; // 继续寻找结束标志
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// }
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// }
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// } else {
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// startIdx += 1; // 继续寻找下一个起始标志
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// }
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// }
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//
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// // 返回找到的所有完整帧
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// return frames;
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// }
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}
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