683 lines
22 KiB
Dart
683 lines
22 KiB
Dart
import 'dart:async';
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import 'dart:io';
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import 'dart:ui' as ui;
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import 'dart:math'; // Import the math package to use sqrt
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import 'dart:ui' show decodeImageFromList;
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import 'package:flutter/foundation.dart';
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import 'package:flutter/rendering.dart';
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import 'package:flutter/services.dart';
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import 'package:flutter_pcm_sound/flutter_pcm_sound.dart';
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import 'package:flutter_voice_processor/flutter_voice_processor.dart';
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import 'package:gallery_saver/gallery_saver.dart';
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import 'package:get/get.dart';
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import 'package:image_gallery_saver/image_gallery_saver.dart';
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import 'package:path_provider/path_provider.dart';
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import 'package:permission_handler/permission_handler.dart';
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import 'package:star_lock/app_settings/app_settings.dart';
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import 'package:star_lock/login/login/entity/LoginEntity.dart';
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import 'package:star_lock/main/lockDetail/lockDetail/lockDetail_logic.dart';
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import 'package:star_lock/main/lockDetail/lockDetail/lockDetail_state.dart';
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import 'package:star_lock/main/lockDetail/lockDetail/lockNetToken_entity.dart';
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import 'package:star_lock/main/lockDetail/lockSet/lockSet/lockSetInfo_entity.dart';
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import 'package:star_lock/main/lockMian/entity/lockListInfo_entity.dart';
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import 'package:star_lock/network/api_repository.dart';
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import 'package:star_lock/talk/call/g711.dart';
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import 'package:star_lock/talk/starChart/constant/talk_status.dart';
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import 'package:star_lock/talk/starChart/handle/other/talk_data_model.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_expect.pb.dart';
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import 'package:star_lock/talk/starChart/star_chart_manage.dart';
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import 'package:star_lock/talk/starChart/views/imageTransmission/image_transmission_state.dart';
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import 'package:star_lock/talk/starChart/views/talkView/talk_view_state.dart';
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import 'package:star_lock/tools/G711Tool.dart';
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import 'package:star_lock/tools/bugly/bugly_tool.dart';
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import 'package:star_lock/tools/commonDataManage.dart';
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import 'package:star_lock/tools/storage.dart';
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import '../../../../tools/baseGetXController.dart';
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class ImageTransmissionLogic extends BaseGetXController {
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ImageTransmissionState state = ImageTransmissionState();
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final LockDetailState lockDetailState = Get.put(LockDetailLogic()).state;
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int bufferSize = 8; // 增大缓冲区，满时才渲染
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int audioBufferSize = 2; // 音频默认缓冲2帧
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bool _isFirstAudioFrame = true; // 是否是第一帧
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int _startAudioTime = 0; // 开始播放时间戳
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// 定义音频帧缓冲和发送函数
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final List<int> _bufferedAudioFrames = <int>[];
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// 添加监听状态和订阅引用
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bool _isListening = false;
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StreamSubscription? _streamSubscription;
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Timer? videoRenderTimer; // 视频渲染定时器
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int _renderedFrameCount = 0;
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int _lastFpsPrintTime = DateTime.now().millisecondsSinceEpoch;
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/// 初始化音频播放器
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void _initFlutterPcmSound() {
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const int sampleRate = 8000;
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FlutterPcmSound.setLogLevel(LogLevel.none);
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FlutterPcmSound.setup(sampleRate: sampleRate, channelCount: 1);
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// 设置 feed 阈值
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if (Platform.isAndroid) {
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FlutterPcmSound.setFeedThreshold(1024); // Android 平台的特殊处理
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} else {
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FlutterPcmSound.setFeedThreshold(2000); // 非 Android 平台的处理
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}
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}
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/// 挂断
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void udpHangUpAction() async {
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if (state.talkStatus.value == TalkStatus.answeredSuccessfully) {
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// 如果是通话中就挂断
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StartChartManage().startTalkHangupMessageTimer();
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} else {
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// 拒绝
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StartChartManage().startTalkRejectMessageTimer();
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}
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Get.back();
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}
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// 发起接听命令
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void initiateAnswerCommand() {
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StartChartManage().startTalkAcceptTimer();
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}
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// 监听音视频数据流
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void _startListenTalkData() {
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// 防止重复监听
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if (_isListening) {
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AppLog.log("已经存在数据流监听，避免重复监听");
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return;
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}
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AppLog.log("==== 启动新的数据流监听 ====");
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_isListening = true;
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_streamSubscription = state.talkDataRepository.talkDataStream
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.listen((TalkDataModel talkDataModel) async {
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final talkData = talkDataModel.talkData;
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final contentType = talkData!.contentType;
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final currentTime = DateTime.now().millisecondsSinceEpoch;
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// 判断数据类型，进行分发处理
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switch (contentType) {
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case TalkData_ContentTypeE.G711:
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// // 第一帧到达时记录开始时间
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if (_isFirstAudioFrame) {
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_startAudioTime = currentTime;
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_isFirstAudioFrame = false;
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}
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// 计算音频延迟
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final expectedTime = _startAudioTime + talkData.durationMs;
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final audioDelay = currentTime - expectedTime;
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// 如果延迟太大，清空缓冲区并直接播放
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if (audioDelay > 500) {
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state.audioBuffer.clear();
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if (state.isOpenVoice.value) {
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_playAudioFrames();
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}
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return;
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}
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if (state.audioBuffer.length >= audioBufferSize) {
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state.audioBuffer.removeAt(0); // 丢弃最旧的数据
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}
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state.audioBuffer.add(talkData); // 添加新数据
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// 添加音频播放逻辑，与视频类似
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_playAudioFrames();
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break;
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case TalkData_ContentTypeE.Image:
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// 固定长度缓冲区，最多保留bufferSize帧
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state.videoBuffer.add(talkData);
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if (state.videoBuffer.length > bufferSize) {
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state.videoBuffer.removeAt(0); // 移除最旧帧
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}
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break;
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}
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});
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}
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// 新增：音频帧播放逻辑
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void _playAudioFrames() {
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// 如果缓冲区为空或未达到目标大小，不进行播放
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// 音频缓冲区要求更小，以减少延迟
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if (state.audioBuffer.isEmpty ||
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state.audioBuffer.length < audioBufferSize) {
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return;
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}
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// 找出时间戳最小的音频帧
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TalkData? oldestFrame;
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int oldestIndex = -1;
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for (int i = 0; i < state.audioBuffer.length; i++) {
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if (oldestFrame == null ||
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state.audioBuffer[i].durationMs < oldestFrame.durationMs) {
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oldestFrame = state.audioBuffer[i];
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oldestIndex = i;
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}
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}
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// 确保找到了有效帧
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if (oldestFrame != null && oldestIndex != -1) {
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if (state.isOpenVoice.value) {
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// 播放音频
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_playAudioData(oldestFrame);
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}
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state.audioBuffer.removeAt(oldestIndex);
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}
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}
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/// 监听对讲状态
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void _startListenTalkStatus() {
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state.startChartTalkStatus.statusStream.listen((talkStatus) {
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state.talkStatus.value = talkStatus;
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switch (talkStatus) {
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case TalkStatus.rejected:
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case TalkStatus.hangingUpDuring:
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case TalkStatus.notTalkData:
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case TalkStatus.notTalkPing:
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case TalkStatus.end:
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_handleInvalidTalkStatus();
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break;
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case TalkStatus.answeredSuccessfully:
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state.oneMinuteTimeTimer?.cancel(); // 取消旧定时器
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state.oneMinuteTimeTimer ??=
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Timer.periodic(const Duration(seconds: 1), (Timer t) {
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if (state.listData.value.length > 0) {
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state.oneMinuteTime.value++;
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// if (state.oneMinuteTime.value >= 60) {
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// t.cancel(); // 取消定时器
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// state.oneMinuteTime.value = 0;
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// // 倒计时结束挂断
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// // udpHangUpAction();
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// }
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}
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});
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break;
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default:
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// 其他状态的处理
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break;
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}
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});
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}
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/// 播放音频数据
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void _playAudioData(TalkData talkData) async {
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if (state.isOpenVoice.value) {
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final list =
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G711().decodeAndDenoise(talkData.content, true, 8000, 300, 150);
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// // 将 PCM 数据转换为 PcmArrayInt16
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final PcmArrayInt16 fromList = PcmArrayInt16.fromList(list);
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FlutterPcmSound.feed(fromList);
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if (!state.isPlaying.value) {
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FlutterPcmSound.play();
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state.isPlaying.value = true;
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}
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}
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}
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/// 停止播放音频
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void _stopPlayG711Data() async {
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await FlutterPcmSound.pause();
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await FlutterPcmSound.stop();
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await FlutterPcmSound.clear();
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}
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/// 开门
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// udpOpenDoorAction() async {
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// final List<String>? privateKey =
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// await Storage.getStringList(saveBluePrivateKey);
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// final List<int> getPrivateKeyList = changeStringListToIntList(privateKey!);
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//
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// final List<String>? signKey = await Storage.getStringList(saveBlueSignKey);
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// final List<int> signKeyDataList = changeStringListToIntList(signKey!);
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//
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// final List<String>? token = await Storage.getStringList(saveBlueToken);
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// final List<int> getTokenList = changeStringListToIntList(token!);
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//
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// await _getLockNetToken();
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//
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// final OpenLockCommand openLockCommand = OpenLockCommand(
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// lockID: BlueManage().connectDeviceName,
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// userID: await Storage.getUid(),
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// openMode: lockDetailState.openDoorModel,
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// openTime: _getUTCNetTime(),
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// onlineToken: lockDetailState.lockNetToken,
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// token: getTokenList,
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// needAuthor: 1,
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// signKey: signKeyDataList,
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// privateKey: getPrivateKeyList,
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// );
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// final messageDetail = openLockCommand.packageData();
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// // 将 List<int> 转换为十六进制字符串
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// String hexString = messageDetail
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// .map((byte) => byte.toRadixString(16).padLeft(2, '0'))
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// .join(' ');
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//
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// AppLog.log('open lock hexString: $hexString');
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// // 发送远程开门消息
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// StartChartManage().sendRemoteUnLockMessage(
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// bluetoothDeviceName: BlueManage().connectDeviceName,
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// openLockCommand: messageDetail,
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// );
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// showToast('正在开锁中...'.tr);
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// }
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int _getUTCNetTime() {
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if (lockDetailState.isHaveNetwork) {
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return DateTime.now().millisecondsSinceEpoch ~/ 1000 +
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lockDetailState.differentialTime;
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} else {
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return 0;
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}
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}
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/// 获取权限状态
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Future<bool> getPermissionStatus() async {
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final Permission permission = Permission.microphone;
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//granted 通过，denied 被拒绝，permanentlyDenied 拒绝且不在提示
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final PermissionStatus status = await permission.status;
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if (status.isGranted) {
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return true;
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} else if (status.isDenied) {
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requestPermission(permission);
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} else if (status.isPermanentlyDenied) {
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openAppSettings();
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} else if (status.isRestricted) {
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requestPermission(permission);
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} else {}
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return false;
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}
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///申请权限
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void requestPermission(Permission permission) async {
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final PermissionStatus status = await permission.request();
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if (status.isPermanentlyDenied) {
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openAppSettings();
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}
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}
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Future<void> requestPermissions() async {
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// 申请存储权限
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var storageStatus = await Permission.storage.request();
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// 申请录音权限
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var microphoneStatus = await Permission.microphone.request();
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if (storageStatus.isGranted && microphoneStatus.isGranted) {
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print("Permissions granted");
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} else {
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print("Permissions denied");
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// 如果权限被拒绝，可以提示用户或跳转到设置页面
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if (await Permission.storage.isPermanentlyDenied) {
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openAppSettings(); // 跳转到应用设置页面
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}
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}
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}
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Future<void> startRecording() async {
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// requestPermissions();
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// if (state.isRecordingScreen.value) {
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// showToast('录屏已开始,请勿重复点击');
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// }
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// bool start = await FlutterScreenRecording.startRecordScreen(
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// "Screen Recording", // 视频文件名
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// titleNotification: "Recording in progress", // 通知栏标题
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// messageNotification: "Tap to stop recording", // 通知栏内容
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// );
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//
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// if (start) {
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// state.isRecordingScreen.value = true;
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// }
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}
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Future<void> stopRecording() async {
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// String path = await FlutterScreenRecording.stopRecordScreen;
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// print("Recording saved to: $path");
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//
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// // 将视频保存到系统相册
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// bool? success = await GallerySaver.saveVideo(path);
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// if (success == true) {
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// print("Video saved to gallery");
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// } else {
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// print("Failed to save video to gallery");
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// }
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//
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// showToast('录屏结束,已保存到系统相册');
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// state.isRecordingScreen.value = false;
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}
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@override
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void onReady() {
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super.onReady();
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}
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@override
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void onInit() {
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super.onInit();
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// 启动监听音视频数据流
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_startListenTalkData();
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// 启动监听对讲状态
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_startListenTalkStatus();
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// 在没有监听成功之前赋值一遍状态
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// *** 由于页面会在状态变化之后才会初始化，导致识别不到最新的状态，在这里手动赋值 ***
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state.talkStatus.value = state.startChartTalkStatus.status;
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// 初始化音频播放器
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_initFlutterPcmSound();
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// 启动播放定时器
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// _startPlayback();
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// 初始化录音控制器
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_initAudioRecorder();
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requestPermissions();
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// 启动视频渲染定时器（10fps）
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videoRenderTimer = Timer.periodic(const Duration(milliseconds: 100), (_) {
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final int now = DateTime.now().millisecondsSinceEpoch;
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if (state.videoBuffer.isNotEmpty) {
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final TalkData oldestFrame = state.videoBuffer.removeAt(0);
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if (oldestFrame.content.isNotEmpty) {
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state.listData.value =
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Uint8List.fromList(oldestFrame.content); // 备份原始数据
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final int decodeStart = DateTime.now().millisecondsSinceEpoch;
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decodeImageFromList(Uint8List.fromList(oldestFrame.content))
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.then((ui.Image img) {
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final int decodeEnd = DateTime.now().millisecondsSinceEpoch;
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state.currentImage.value = img;
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_renderedFrameCount++;
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// 每秒统计一次fps
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if (now - _lastFpsPrintTime >= 1000) {
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// print('实际渲染fps: $_renderedFrameCount');
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_renderedFrameCount = 0;
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_lastFpsPrintTime = now;
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}
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}).catchError((e) {
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print('图片解码失败: $e');
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});
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}
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}
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// 如果缓冲区为空，不做任何操作，保持上一次内容
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});
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}
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@override
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void onClose() {
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_stopPlayG711Data(); // 停止播放音频
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state.listData.value = Uint8List(0); // 清空视频数据
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state.audioBuffer.clear(); // 清空音频缓冲区
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state.videoBuffer.clear(); // 清空视频缓冲区
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state.oneMinuteTimeTimer?.cancel();
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state.oneMinuteTimeTimer = null;
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stopProcessingAudio();
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// 清理图片缓存
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// _imageCache.clear();
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state.oneMinuteTimeTimer?.cancel(); // 取消旧定时器
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state.oneMinuteTimeTimer = null; // 取消旧定时器
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state.oneMinuteTime.value = 0;
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// 取消数据流监听
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_streamSubscription?.cancel();
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_isListening = false;
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// 释放视频渲染定时器
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videoRenderTimer?.cancel();
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videoRenderTimer = null;
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super.onClose();
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}
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@override
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void dispose() {
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stopProcessingAudio();
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// 重置期望数据
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StartChartManage().reSetDefaultTalkExpect();
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// 释放视频渲染定时器
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videoRenderTimer?.cancel();
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videoRenderTimer = null;
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super.dispose();
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}
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/// 处理无效通话状态
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void _handleInvalidTalkStatus() {
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state.listData.value = Uint8List(0);
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// 停止播放音频
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_stopPlayG711Data();
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stopProcessingAudio();
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}
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/// 更新发送预期数据
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void updateTalkExpect() {
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TalkExpectReq talkExpectReq = TalkExpectReq();
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state.isOpenVoice.value = !state.isOpenVoice.value;
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if (!state.isOpenVoice.value) {
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talkExpectReq = TalkExpectReq(
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videoType: [VideoTypeE.IMAGE],
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audioType: [],
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);
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showToast('已静音'.tr);
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} else {
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talkExpectReq = TalkExpectReq(
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videoType: [VideoTypeE.IMAGE],
|
||
audioType: [AudioTypeE.G711],
|
||
);
|
||
}
|
||
|
||
/// 修改发送预期数据
|
||
StartChartManage().changeTalkExpectDataTypeAndReStartTalkExpectMessageTimer(
|
||
talkExpect: talkExpectReq);
|
||
}
|
||
|
||
/// 截图并保存到相册
|
||
Future<void> captureAndSavePng() async {
|
||
try {
|
||
if (state.globalKey.currentContext == null) {
|
||
AppLog.log('截图失败: 未找到当前上下文');
|
||
return;
|
||
}
|
||
final RenderRepaintBoundary boundary = state.globalKey.currentContext!
|
||
.findRenderObject()! as RenderRepaintBoundary;
|
||
final ui.Image image = await boundary.toImage();
|
||
final ByteData? byteData =
|
||
await image.toByteData(format: ui.ImageByteFormat.png);
|
||
|
||
if (byteData == null) {
|
||
AppLog.log('截图失败: 图像数据为空');
|
||
return;
|
||
}
|
||
final Uint8List pngBytes = byteData.buffer.asUint8List();
|
||
|
||
// 获取应用程序的文档目录
|
||
final Directory directory = await getApplicationDocumentsDirectory();
|
||
final String imagePath = '${directory.path}/screenshot.png';
|
||
|
||
// 将截图保存为文件
|
||
final File imgFile = File(imagePath);
|
||
await imgFile.writeAsBytes(pngBytes);
|
||
|
||
// 将截图保存到相册
|
||
await ImageGallerySaver.saveFile(imagePath);
|
||
|
||
AppLog.log('截图保存路径: $imagePath');
|
||
showToast('截图已保存到相册'.tr);
|
||
} catch (e) {
|
||
AppLog.log('截图失败: $e');
|
||
}
|
||
}
|
||
|
||
// 远程开锁
|
||
Future<void> remoteOpenLock() async {
|
||
final LockListInfoItemEntity currentKeyInfo =
|
||
CommonDataManage().currentKeyInfo;
|
||
|
||
var lockId = currentKeyInfo.lockId ?? 0;
|
||
var remoteUnlock = currentKeyInfo.lockSetting?.remoteUnlock ?? 0;
|
||
|
||
final lockPeerId = StartChartManage().lockPeerId;
|
||
final LockListInfoGroupEntity? lockListInfoGroupEntity =
|
||
await Storage.getLockMainListData();
|
||
if (lockListInfoGroupEntity != null) {
|
||
lockListInfoGroupEntity!.groupList?.forEach((element) {
|
||
final lockList = element.lockList;
|
||
if (lockList != null && lockList.length != 0) {
|
||
for (var lockInfo in lockList) {
|
||
final peerId = lockInfo.network?.peerId;
|
||
if (peerId != null && peerId != '') {
|
||
if (peerId == lockPeerId) {
|
||
lockId = lockInfo.lockId ?? 0;
|
||
remoteUnlock = lockInfo.lockSetting?.remoteUnlock ?? 0;
|
||
}
|
||
}
|
||
}
|
||
}
|
||
});
|
||
}
|
||
if (remoteUnlock == 1) {
|
||
final LoginEntity entity = await ApiRepository.to
|
||
.remoteOpenLock(lockId: lockId.toString(), timeOut: 60);
|
||
if (entity.errorCode!.codeIsSuccessful) {
|
||
showToast('已开锁'.tr);
|
||
StartChartManage().lockListPeerId = [];
|
||
}
|
||
} else {
|
||
showToast('该锁的远程开锁功能未启用'.tr);
|
||
}
|
||
}
|
||
|
||
/// 初始化音频录制器
|
||
void _initAudioRecorder() {
|
||
state.voiceProcessor = VoiceProcessor.instance;
|
||
}
|
||
|
||
Timer? _startProcessingAudioTimer;
|
||
|
||
//开始录音
|
||
Future<void> startProcessingAudio() async {
|
||
|
||
try {
|
||
if (await state.voiceProcessor?.hasRecordAudioPermission() ?? false) {
|
||
await state.voiceProcessor?.start(state.frameLength, state.sampleRate);
|
||
final bool? isRecording = await state.voiceProcessor?.isRecording();
|
||
state.isRecordingAudio.value = isRecording!;
|
||
state.startRecordingAudioTime.value = DateTime.now();
|
||
|
||
// 增加录音帧监听器和错误监听器
|
||
state.voiceProcessor
|
||
?.addFrameListeners(<VoiceProcessorFrameListener>[_onFrame]);
|
||
state.voiceProcessor?.addErrorListener(_onError);
|
||
} else {
|
||
// state.errorMessage.value = 'Recording permission not granted';
|
||
}
|
||
} on PlatformException catch (ex) {
|
||
// state.errorMessage.value = 'Failed to start recorder: $ex';
|
||
}
|
||
}
|
||
|
||
/// 停止录音
|
||
Future<void> stopProcessingAudio() async {
|
||
try {
|
||
await state.voiceProcessor?.stop();
|
||
state.voiceProcessor?.removeFrameListener(_onFrame);
|
||
state.udpSendDataFrameNumber = 0;
|
||
// 记录结束时间
|
||
state.endRecordingAudioTime.value = DateTime.now();
|
||
|
||
// 计算录音的持续时间
|
||
final Duration duration = state.endRecordingAudioTime.value
|
||
.difference(state.startRecordingAudioTime.value);
|
||
|
||
state.recordingAudioTime.value = duration.inSeconds;
|
||
} on PlatformException catch (ex) {
|
||
// state.errorMessage.value = 'Failed to stop recorder: $ex';
|
||
} finally {
|
||
final bool? isRecording = await state.voiceProcessor?.isRecording();
|
||
state.isRecordingAudio.value = isRecording!;
|
||
}
|
||
_startProcessingAudioTimer?.cancel();
|
||
_startProcessingAudioTimer = null;
|
||
_bufferedAudioFrames.clear();
|
||
}
|
||
|
||
static const int chunkSize = 320; // 每次发送320字节（10ms G.711）
|
||
static const int intervalMs = 40; // 每40ms发送一次（4个chunk）
|
||
void _sendAudioChunk(Timer timer) async {
|
||
if (_bufferedAudioFrames.length < chunkSize) {
|
||
// 数据不足，等待下一周期
|
||
return;
|
||
}
|
||
|
||
// 截取前 chunkSize 个字节
|
||
final chunk = _bufferedAudioFrames.sublist(0, chunkSize);
|
||
// 更新缓冲区：移除已发送部分
|
||
_bufferedAudioFrames.removeRange(0, chunkSize);
|
||
|
||
// 获取时间戳（相对时间）
|
||
final int ms = DateTime.now().millisecondsSinceEpoch % 1000000;
|
||
|
||
print('Send chunk ${timer.tick}: ${chunk.take(10).toList()}...');
|
||
|
||
await StartChartManage().sendTalkDataMessage(
|
||
talkData: TalkData(
|
||
content: chunk,
|
||
contentType: TalkData_ContentTypeE.G711,
|
||
durationMs: ms,
|
||
),
|
||
);
|
||
}
|
||
|
||
// 音频帧处理
|
||
Future<void> _onFrame(List<int> frame) async {
|
||
final applyGain = _applyGain(frame, 1.6);
|
||
|
||
// 编码为G711数据
|
||
List<int> encodedData = G711Tool.encode(applyGain, 0); // 0表示A-law
|
||
_bufferedAudioFrames.addAll(encodedData);
|
||
|
||
|
||
// 启动定时发送器（仅启动一次）
|
||
if (_startProcessingAudioTimer == null && _bufferedAudioFrames.length > chunkSize) {
|
||
_startProcessingAudioTimer = Timer.periodic(Duration(milliseconds: intervalMs), _sendAudioChunk);
|
||
}
|
||
}
|
||
// 错误监听
|
||
void _onError(VoiceProcessorException error) {
|
||
AppLog.log(error.message!);
|
||
}
|
||
|
||
// 添加音频增益处理方法
|
||
List<int> _applyGain(List<int> pcmData, double gainFactor) {
|
||
List<int> result = List<int>.filled(pcmData.length, 0);
|
||
|
||
for (int i = 0; i < pcmData.length; i++) {
|
||
// PCM数据通常是有符号的16位整数
|
||
int sample = pcmData[i];
|
||
|
||
// 应用增益
|
||
double amplified = sample * gainFactor;
|
||
|
||
// 限制在有效范围内，防止溢出
|
||
if (amplified > 32767) {
|
||
amplified = 32767;
|
||
} else if (amplified < -32768) {
|
||
amplified = -32768;
|
||
}
|
||
|
||
result[i] = amplified.toInt();
|
||
}
|
||
|
||
return result;
|
||
}
|
||
}
|