205 lines
9.0 KiB
Dart
205 lines
9.0 KiB
Dart
import 'dart:typed_data';
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import 'package:flutter/material.dart';
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import 'package:convert/convert.dart';
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import 'package:flutter_sound/flutter_sound.dart';
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import 'package:get/get.dart';
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import 'package:star_lock/appRouters.dart';
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// import 'package:just_audio/just_audio.dart';
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import 'package:star_lock/main/lockDetail/monitoring/monitoring/lockMonitoring_page.dart';
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import 'package:star_lock/talk/call/g711Decoder.dart';
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import 'package:star_lock/talk/call/iFrameInfo.dart';
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import '../../tools/eventBusEventManage.dart';
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class CallTalk {
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static CallTalk? _manager;
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static int POS_iframe_index = 63;
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static int POS_alen = 65;
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static int POS_blen = 73;
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static int POS_bag_index = 71;
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static int POS_bag_num = 69;
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static int POS_data = 77;
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static int ABUF_NUM = 100;
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static int FIRSTINDEX = 1;
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int status = 0; // 假设有这个成员变量
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IframeInfo? iframe; // 假设有这个成员变量
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var growableList;
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LockMonitoringPage callOut = const LockMonitoringPage();
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FlutterSoundPlayer _audioPlayer = FlutterSoundPlayer();
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CallTalk._init() {
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iframe = IframeInfo();
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_initializeAudioPlayer();
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}
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static CallTalk _share() {
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_manager ??= CallTalk._init();
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return _manager!;
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}
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factory CallTalk() => _share();
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CallTalk get manager => _share();
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Future<void> getAVData(Uint8List bb, int len) async {
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//视频数据
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// String hexData =
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// '5858584349449601075439415f396333613730323264346364a5a5a5a5c0a809a3503138363832313530323337000000000000000030303030420e000002000000b33300001f000100b301b301ffd8ffe000114a4649460001010000';
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// Uint8List bb = Uint8List.fromList(hex.decode(hexData));
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//音频数据
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// String hexData =
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// '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';
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// Uint8List bb = Uint8List.fromList(hex.decode(hexData));
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// 音频数据
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if (bb[61] == 1) {
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// 如果是音频数据且状态符合条件
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// 用你的711音频数据替换这里的Uint8List
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Uint8List rawData = G711Decoder().decodeG711uLaw(bb);
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_playRawData(rawData);
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}
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// 视频数据
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else {
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// 音视频数据开始下标
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var bagLen = bb[POS_blen + 2] + bb[POS_blen + 3] * 256;
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// print('音视频数据开始下标 bagLen：$bagLen');
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// 获取帧序号 63
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int getIframeIndex =
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bb[POS_iframe_index] + bb[POS_iframe_index + 1] * 256;
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print('获取帧序号 getIframeIndex：$getIframeIndex');
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// 获取帧长度 65
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// int alen = bb[POS_alen] & 0xff;
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// var alenList = bb.sublist(POS_alen, POS_alen + 4);
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// int alen = ((0xff & alenList[(0)]) << 24 |
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// (0xff & alenList[1]) << 16 |
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// (0xff & alenList[2]) << 8 |
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// (0xFF & alenList[3]));
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// print('获取帧长度 alen：$alen');
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// 当前包号 71
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int getBagIndex = bb[POS_bag_index] & 0xff;
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print('当前包号 getBagIndex：$getBagIndex');
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// 总包数 69
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int getBagNum = bb[POS_bag_num] & 0xff;
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print('总包数 getBagNum：$getBagNum');
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// 数据长度 73
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int blen = bb[POS_blen] + bb[POS_blen + 1] * 256;
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print('数据长度 blen：$blen');
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// 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
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if (getIframeIndex != iframe!.iframeIndex) {
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iframe = IframeInfo();
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// print('11111111change getIframeIndex：$getIframeIndex ');
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// print('11111111change iframe.iframeIndex: ${iframe!.iframeIndex}');
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iframe!.iframeIndex = getIframeIndex;
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iframe!.bagNum = getBagNum;
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// iframe!.cur_len = alen;
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// iframe!.bb = Uint8List(alen);
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growableList = iframe!.bb!.toList(growable: true);
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}
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iframe!.bagReceive++;
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// int start = bagLen * (getBagIndex - FIRSTINDEX);
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// int end = start + blen;
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// 确保 iframe!.bb 不为 null，并且足够长
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// if (iframe.bb == null || iframe.bb!.length < end) {
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// iframe.bb = Uint8List(end);
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// }
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// print('22222222change getIframeIndex：$getIframeIndex ');
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// 如果是同一帧就添加起来
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if (getIframeIndex == iframe!.iframeIndex) {
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// print('33333333change iframe.iframeIndex: ${iframe!.iframeIndex}');
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var getList = bb.sublist(77, bb.length);
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print('getList:${getList}');
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growableList.addAll(getList);
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// print('growableList: $growableList');
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}
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// copyBytes(iframe!.bb!, start, bb, POS_data, blen);
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// 打印输出看看字节数组的内容
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print(
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'iframe.bagNum: ${iframe!.bagNum} iframe.bagReceive: ${iframe!.bagReceive}');
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// 如果收到的包数等于总包数，说明这一帧数据已经接收完毕
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if (iframe!.bagNum == iframe!.bagReceive) {
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// List<int> data = iframe!.bb!.sublist(0, iframe!.cur_len);
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print('播放第${iframe!.iframeIndex}帧 一帧图片的Data: $growableList');
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String hexString =
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uint8ListToHexString(Uint8List.fromList(growableList));
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// print('播放第${iframe!.iframeIndex}帧 hexStringLength:${hexString.length} 一帧图片的hexStringData: $hexString'); // 输出: 0a141e28
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// if (iframe!.iframeIndex == 1) {
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print('下面就是你要的');
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printByteArray('播放第${iframe!.iframeIndex}帧 一帧图片的hexStringData: ',
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Uint8List.fromList(growableList));
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eventBus.fire(GetTVDataRefreshUI(growableList));
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// }
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// eventBus.fire(GetTVDataRefreshUI(growableList));
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}
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// Get.toNamed(Routers.lockMonitoringPage, arguments: {
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// "lockId": "111"
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// });
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// 打印拷贝后的目标数据
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// print(iframe.bb);
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}
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}
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void printByteArray(String printTitle, Uint8List byteArray) {
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final int chunkSize = byteArray.length; // 每行显示的字节数
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int length = byteArray.length;
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for (int i = 0; i < length; i += chunkSize) {
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int end = (i + chunkSize < length) ? i + chunkSize : length;
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Uint8List chunk = byteArray.sublist(i, end);
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String hexString =
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chunk.map((byte) => byte.toRadixString(16).padLeft(2, '0')).join(' ');
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debugPrint(hexString);
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}
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}
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String uint8ListToHexString(Uint8List uint8List) {
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return hex.encode(uint8List);
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}
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int getShortFromByte(Uint8List bb, int pos) {
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ByteData byteData = ByteData.sublistView(bb, pos, pos + 2);
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return byteData.getInt16(0, Endian.little);
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}
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void copyBytes(Uint8List destination, int destStart, Uint8List source,
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int sourceStart, int length) {
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if (destination.length < destStart + length ||
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source.length < sourceStart + length) {
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// 处理越界的情况，这里你可以抛出异常或者进行其他处理
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print('Error: Index out of range');
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return;
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}
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for (int i = 0; i < length; i++) {
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destination[destStart + i] = source[sourceStart + i];
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}
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}
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Future<void> _initializeAudioPlayer() async {
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await _audioPlayer.openPlayer();
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}
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Future<void> _playRawData(Uint8List rawData) async {
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await _audioPlayer.startPlayer(
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fromDataBuffer: rawData,
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codec: Codec.pcm16,
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whenFinished: () {
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// 播放完成时的回调
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print("Playback finished");
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},
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);
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}
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}
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