记录接收到第一帧的时间，防止挂断后自动重连，从接收第一帧到关闭loading耗时
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@ -1,5 +1,6 @@
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import 'dart:async';
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import 'dart:io';
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import 'dart:math'; // 添加Random类支持
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import 'dart:ui' as ui;
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import 'package:flutter/foundation.dart';
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@ -89,6 +90,35 @@ class TalkViewNativeDecodeLogic extends BaseGetXController {
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int? lastDecodedIFrameSeq;
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// 新增：记录最近I帧的时间戳，用于检测画面大幅变动
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DateTime? _lastIFrameTime;
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// 添加一个标志来记录是否是第一个H264帧
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bool _isFirstH264FrameReceived = true;
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// 记录接收到第一帧的时间
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DateTime? _firstFrameReceivedTime;
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// 记录开始时间用于计算耗时
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static DateTime? _monitorStartTime;
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// 设置开始时间的方法
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static void setMonitorStartTime(DateTime startTime) {
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_monitorStartTime = startTime;
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AppLog.log('监控启动时间已记录: $startTime');
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}
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// 计算并打印耗时的方法
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static void printH264ReceiveTime() {
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if (_monitorStartTime != null) {
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final Duration duration = DateTime.now().difference(_monitorStartTime!);
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AppLog.log('从点击监控到接收H264数据耗时: ${duration.inMilliseconds} 毫秒 (${duration.inSeconds}.${duration.inMilliseconds % 1000} 秒)');
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// 重置开始时间，避免重复计算
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_monitorStartTime = null;
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}
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}
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// 初始化视频解码器
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Future<void> _initVideoDecoder() async {
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try {
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@ -96,33 +126,38 @@ class TalkViewNativeDecodeLogic extends BaseGetXController {
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int width = StartChartManage().videoWidth;
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int height = StartChartManage().videoHeight;
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if(Platform.isIOS){
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// ios第一次点击监控没画面
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if (width == 0 || height == 0) {
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int attempts = 0;
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const maxAttempts = 20; // 最多等待2秒 (20 * 100ms)
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// ios第一次点击监控没画面
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if (Platform.isIOS && (width == 0 || height == 0)) {
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// 使用Future.microtask代替延时等待，提高响应速度
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int attempts = 0;
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const maxAttempts = 10; // 减少等待次数，提高响应速度
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while ((width == 0 || height == 0) && attempts < maxAttempts) {
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await Future.delayed(const Duration(milliseconds: 100));
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while ((width == 0 || height == 0) && attempts < maxAttempts) {
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await Future.microtask(() async {
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await Future.delayed(const Duration(milliseconds: 50)); // 减少等待时间
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width = StartChartManage().videoWidth;
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height = StartChartManage().videoHeight;
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attempts++;
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}
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});
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attempts++;
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}
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// 如果仍然没有获取到参数，使用默认值
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if (width == 0 || height == 0) {
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width = 864;
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height = 480;
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AppLog.log('使用默认视频参数: ${width}x$height');
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} else {
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AppLog.log('获取到视频参数: ${width}x$height');
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}
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// 如果仍然没有获取到参数，使用默认值
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if (width == 0 || height == 0) {
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width = 864;
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height = 480;
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AppLog.log('使用默认视频参数: ${width}x$height');
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} else {
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AppLog.log('获取到视频参数: ${width}x$height');
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}
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}
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// 确保宽高为偶数，符合H264标准
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width = (width / 2).floor() * 2;
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height = (height / 2).floor() * 2;
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// 创建解码器配置
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final config = VideoDecoderConfig(
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width: width,
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// 实际视频宽度
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height: height,
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codecType: 'h264',
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);
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@ -133,6 +168,16 @@ class TalkViewNativeDecodeLogic extends BaseGetXController {
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AppLog.log('视频解码器初始化成功：textureId=$textureId');
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VideoDecodePlugin.setOnFrameRenderedListener((textureId) {
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AppLog.log('已经开始渲染=======');
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// 计算并打印从接收第一帧到关闭loading的耗时
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if (_firstFrameReceivedTime != null) {
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final Duration renderToLoadingDuration = DateTime.now().difference(_firstFrameReceivedTime!);
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AppLog.log('从接收第一帧到关闭loading耗时: ${renderToLoadingDuration.inMilliseconds} 毫秒 (${renderToLoadingDuration.inSeconds}.${renderToLoadingDuration.inMilliseconds % 1000} 秒)');
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// 重置时间记录，避免重复计算
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_firstFrameReceivedTime = null;
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}
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// 只有真正渲染出首帧时才关闭loading
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Future.microtask(() => state.isLoading.value = false);
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});
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@ -144,7 +189,7 @@ class TalkViewNativeDecodeLogic extends BaseGetXController {
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} catch (e) {
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AppLog.log('初始化视频解码器错误: $e');
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// 如果初始化失败，延迟后重试
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await Future.delayed(const Duration(seconds: 2));
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await Future.delayed(const Duration(milliseconds: 500)); // 减少重试等待时间
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if (!Get.isRegistered<TalkViewNativeDecodeLogic>()) {
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return; // 如果控制器已经被销毁，不再重试
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}
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@ -633,6 +678,8 @@ class TalkViewNativeDecodeLogic extends BaseGetXController {
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_startProcessingAudioTimer?.cancel();
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_startProcessingAudioTimer = null;
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_bufferedAudioFrames.clear();
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// 停止监控请求定时器，防止挂断后自动重连
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StartChartManage().stopCallRequestMessageTimer();
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super.onClose();
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}
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@ -899,8 +946,8 @@ class TalkViewNativeDecodeLogic extends BaseGetXController {
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state.textureId.value = null;
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}
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// 等待一小段时间确保资源释放完成
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await Future.delayed(Duration(milliseconds: 100));
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// 减少等待时间，提高响应速度
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await Future.delayed(Duration(milliseconds: 50));
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// 创建新的解码器配置
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final config = VideoDecoderConfig(
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@ -967,14 +1014,50 @@ class TalkViewNativeDecodeLogic extends BaseGetXController {
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// 处理H264帧
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if (state.textureId.value != null) {
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if (talkDataH264Frame != null) {
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_addFrameToBuffer(
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talkData.content,
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talkDataH264Frame.frameType,
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talkData.durationMs,
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talkDataH264Frame.frameSeq,
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talkDataH264Frame.frameSeqI,
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scpMessage!,
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);
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// 记录第一个H264帧接收时间并计算耗时
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if (_isFirstH264FrameReceived) {
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AppLog.log('第一个H264帧接收时间: ${DateTime.now()}');
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// 计算并打印从点击监控到接收H264数据的耗时
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TalkViewNativeDecodeLogic.printH264ReceiveTime();
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// 记录接收到第一帧的时间，用于计算到关闭loading的耗时
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_firstFrameReceivedTime = DateTime.now();
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_isFirstH264FrameReceived = false;
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}
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// 创建包含帧数据和类型的Map
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final Map<String, dynamic> frameMap = {
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'frameData': talkData.content,
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'frameType': talkDataH264Frame.frameType,
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'frameSeq': talkDataH264Frame.frameSeq,
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'frameSeqI': talkDataH264Frame.frameSeqI,
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'pts': talkData.durationMs,
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'scpMessage': scpMessage!,
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};
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// 如果缓冲区超出最大大小，优先丢弃P/B帧
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if (state.h264FrameBuffer.length >= state.maxFrameBufferSize) {
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// 首先尝试快速查找P帧
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int pbIndex = -1;
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for (int i = 0; i < state.h264FrameBuffer.length; i++) {
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if (state.h264FrameBuffer[i]['frameType'] == TalkDataH264Frame_FrameTypeE.P) {
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pbIndex = i;
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break;
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}
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}
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if (pbIndex != -1) {
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state.h264FrameBuffer.removeAt(pbIndex);
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} else {
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// 如果没有找到P帧，则移除最旧的帧
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state.h264FrameBuffer.removeAt(0);
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}
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}
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// 将帧添加到缓冲区
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state.h264FrameBuffer.add(frameMap);
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}
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} else {
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AppLog.log('无法处理H264帧：textureId为空');
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@ -109,12 +109,12 @@ class TalkViewNativeDecodeState {
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// H264帧缓冲区相关
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final List<Map<String, dynamic>> h264FrameBuffer = <Map<String, dynamic>>[]; // H264帧缓冲区，存储帧数据和类型
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int maxFrameBufferSize = 3; // 最大缓冲区大小，减小以降低延迟
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int maxFrameBufferSize = 2; // 最大缓冲区大小，减小以降低延迟
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final int targetFps = 25; // 目标解码帧率,只是为了快速填充native的缓冲区
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final int adaptiveBufferSizeMin = 2; // 自适应缓冲区最小大小
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final int adaptiveBufferSizeMax = 6; // 自适应缓冲区最大大小
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final int networkQualityCheckIntervalMs = 2000; // 网络质量检查间隔(毫秒)
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final int frameProcessIntervalMs = 10; // 帧处理间隔(毫秒)，提高响应速度
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int frameProcessIntervalMs = 10; // 帧处理间隔(毫秒)，提高响应速度
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Timer? frameProcessTimer; // 帧处理定时器
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bool isProcessingFrame = false; // 是否正在处理帧
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int lastProcessedTimestamp = 0; // 上次处理帧的时间戳
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