app-starlock/star_lock/lib/talk/call/callTalk.dart

import 'dart:typed_data';
import 'package:flutter/material.dart';
import 'package:convert/convert.dart';
import 'package:flutter_sound/flutter_sound.dart';
import 'package:get/get.dart';
import 'package:star_lock/appRouters.dart';
// import 'package:just_audio/just_audio.dart';
import 'package:star_lock/main/lockDetail/monitoring/monitoring/lockMonitoring_page.dart';
import 'package:star_lock/talk/call/g711Decoder.dart';
import 'package:star_lock/talk/call/iFrameInfo.dart';

import '../../tools/eventBusEventManage.dart';

class CallTalk {
  static CallTalk? _manager;
  static int POS_iframe_index = 63;
  static int POS_alen = 65;
  static int POS_blen = 73;
  static int POS_bag_index = 71;
  static int POS_bag_num = 69;
  static int POS_data = 77;
  static int ABUF_NUM = 100;
  static int FIRSTINDEX = 1;

  int status = 0; // 假设有这个成员变量
  IframeInfo? iframe; // 假设有这个成员变量
  var growableList;
  LockMonitoringPage callOut = const LockMonitoringPage();
  FlutterSoundPlayer _audioPlayer = FlutterSoundPlayer();

  CallTalk._init() {
    iframe = IframeInfo();
    _initializeAudioPlayer();
  }

  static CallTalk _share() {
    _manager ??= CallTalk._init();
    return _manager!;
  }

  factory CallTalk() => _share();
  CallTalk get manager => _share();

  Future<void> getAVData(Uint8List bb, int len) async {
    //视频数据
    // String hexData =
    //     '5858584349449601075439415f396333613730323264346364a5a5a5a5c0a809a3503138363832313530323337000000000000000030303030420e000002000000b33300001f000100b301b301ffd8ffe000114a4649460001010000';
    // Uint8List bb = Uint8List.fromList(hex.decode(hexData));
    //音频数据
    // String hexData =
    //     '5858584349449601075439415f396333613730323264346364a5a5a5a5c0a809a3503138363832313530323337000000000000000030303030e02900000100050080020000010001004001b30145444444444444444445454444444444444444444444434343434443434344444444444544454545444444444444454545454545454545454445444545454545454545444444444343434344444443434344444444444343434343434343434443434343434343424343434343434242424242424242424243434343434242424242424343434342424343434242424242434243434343434344454344444444444444444444444444454545454544444444444444444445454545454545454545454545454546454545454545454545454545454545454646464646464645454545464646454545454545454545454545454544444444444444444443434343434343434343434343434343434343434242424242424242424242424242424343434242434343434343434343434343434343434343434444444343434343430000000000000000000000000000000000000024000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000024001d044000000000001d080001000000001d18c03000000000';
    // Uint8List bb = Uint8List.fromList(hex.decode(hexData));

    // 音频数据
    if (bb[61] == 1) {
      // 如果是音频数据且状态符合条件
      // 用你的711音频数据替换这里的Uint8List
      Uint8List rawData = G711Decoder().decodeG711uLaw(bb);
      _playRawData(rawData);
    }
    // 视频数据
    else {
      // 音视频数据开始下标
      var bagLen = bb[POS_blen + 2] + bb[POS_blen + 3] * 256;
      // print('音视频数据开始下标 bagLen：$bagLen');

      // 获取帧序号 63
      int getIframeIndex =
          bb[POS_iframe_index] + bb[POS_iframe_index + 1] * 256;
      print('获取帧序号 getIframeIndex：$getIframeIndex');
      // 获取帧长度 65
      // int alen = bb[POS_alen] & 0xff;
      // var alenList = bb.sublist(POS_alen, POS_alen + 4);
      // int alen = ((0xff & alenList[(0)]) << 24 |
      // (0xff & alenList[1]) << 16 |
      // (0xff & alenList[2]) << 8 |
      // (0xFF & alenList[3]));
      // print('获取帧长度 alen：$alen');

      // 当前包号 71
      int getBagIndex = bb[POS_bag_index] & 0xff;
      print('当前包号 getBagIndex：$getBagIndex');
      // 总包数 69
      int getBagNum = bb[POS_bag_num] & 0xff;
      print('总包数 getBagNum：$getBagNum');
      // 数据长度 73
      int blen = bb[POS_blen] + bb[POS_blen + 1] * 256;
      print('数据长度 blen：$blen');

      // 这里判断是否是同一帧，如果不是同一帧就重新创建一个 IframeInfo
      if (getIframeIndex != iframe!.iframeIndex) {
        iframe = IframeInfo();
        // print('11111111change getIframeIndex：$getIframeIndex ');
        // print('11111111change iframe.iframeIndex: ${iframe!.iframeIndex}');
        iframe!.iframeIndex = getIframeIndex;
        iframe!.bagNum = getBagNum;
        // iframe!.cur_len = alen;
        // iframe!.bb = Uint8List(alen);
        growableList = iframe!.bb!.toList(growable: true);
      }

      iframe!.bagReceive++;
      // int start = bagLen * (getBagIndex - FIRSTINDEX);
      // int end = start + blen;

      // 确保 iframe!.bb 不为 null，并且足够长
      // if (iframe.bb == null || iframe.bb!.length < end) {
      //   iframe.bb = Uint8List(end);
      // }

      // print('22222222change getIframeIndex：$getIframeIndex ');

      // 如果是同一帧就添加起来
      if (getIframeIndex == iframe!.iframeIndex) {
        // print('33333333change iframe.iframeIndex: ${iframe!.iframeIndex}');
        var getList = bb.sublist(77, bb.length);
        print('getList:${getList}');
        growableList.addAll(getList);
        // print('growableList: $growableList');
      }

      // copyBytes(iframe!.bb!, start, bb, POS_data, blen);
      // 打印输出看看字节数组的内容

      print(
          'iframe.bagNum: ${iframe!.bagNum} iframe.bagReceive: ${iframe!.bagReceive}');

      // 如果收到的包数等于总包数，说明这一帧数据已经接收完毕
      if (iframe!.bagNum == iframe!.bagReceive) {
        // List<int> data = iframe!.bb!.sublist(0, iframe!.cur_len);
        print('播放第${iframe!.iframeIndex}帧 一帧图片的Data: $growableList');
        String hexString =
            uint8ListToHexString(Uint8List.fromList(growableList));
        // print('播放第${iframe!.iframeIndex}帧 hexStringLength:${hexString.length} 一帧图片的hexStringData: $hexString'); // 输出: 0a141e28

        // if (iframe!.iframeIndex == 1) {
        print('下面就是你要的');
        printByteArray('播放第${iframe!.iframeIndex}帧 一帧图片的hexStringData: ',
            Uint8List.fromList(growableList));
        eventBus.fire(GetTVDataRefreshUI(growableList));
        // }
        // eventBus.fire(GetTVDataRefreshUI(growableList));
      }

      // Get.toNamed(Routers.lockMonitoringPage, arguments: {
      //   "lockId": "111"
      // });
      // 打印拷贝后的目标数据
      // print(iframe.bb);
    }
  }

  void printByteArray(String printTitle, Uint8List byteArray) {
    final int chunkSize = byteArray.length; // 每行显示的字节数
    int length = byteArray.length;

    for (int i = 0; i < length; i += chunkSize) {
      int end = (i + chunkSize < length) ? i + chunkSize : length;
      Uint8List chunk = byteArray.sublist(i, end);

      String hexString =
          chunk.map((byte) => byte.toRadixString(16).padLeft(2, '0')).join(' ');
      debugPrint(hexString);
    }
  }

  String uint8ListToHexString(Uint8List uint8List) {
    return hex.encode(uint8List);
  }

  int getShortFromByte(Uint8List bb, int pos) {
    ByteData byteData = ByteData.sublistView(bb, pos, pos + 2);
    return byteData.getInt16(0, Endian.little);
  }

  void copyBytes(Uint8List destination, int destStart, Uint8List source,
      int sourceStart, int length) {
    if (destination.length < destStart + length ||
        source.length < sourceStart + length) {
      // 处理越界的情况，这里你可以抛出异常或者进行其他处理
      print('Error: Index out of range');
      return;
    }

    for (int i = 0; i < length; i++) {
      destination[destStart + i] = source[sourceStart + i];
    }
  }

  Future<void> _initializeAudioPlayer() async {
    await _audioPlayer.openPlayer();
  }

  Future<void> _playRawData(Uint8List rawData) async {
    await _audioPlayer.startPlayer(
      fromDataBuffer: rawData,
      codec: Codec.pcm16,
      whenFinished: () {
        // 播放完成时的回调
        print("Playback finished");
      },
    );
  }
}