可视对讲ios首次点击监控没有画面-->视频解码器宽高
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@ -40,9 +40,6 @@ class TalkViewNativeDecodeLogic extends BaseGetXController {
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int bufferSize = 25; // 初始化为默认大小
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int audioBufferSize = 20; // 音频默认缓冲2帧
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// 添加一个计时器来监听videoWidth和videoHeight的变化
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Timer? _videoDimensionCheckTimer;
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// 回绕阈值，动态调整，frameSeq较小时阈值也小
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int _getFrameSeqRolloverThreshold(int lastSeq) {
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@ -96,17 +93,42 @@ class TalkViewNativeDecodeLogic extends BaseGetXController {
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Future<void> _initVideoDecoder() async {
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try {
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state.isLoading.value = true;
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// ios第一次点击监控没画面
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// 等待视频参数就绪，设置超时时间
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int width = StartChartManage().videoWidth;
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int height = StartChartManage().videoHeight;
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// 等待videoWidth和videoHeight有效（非0）
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await _waitForValidVideoDimensions();
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// 如果视频参数未就绪，等待一段时间直到参数就绪或超时
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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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while ((width == 0 || height == 0) && attempts < maxAttempts) {
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await Future.delayed(const Duration(milliseconds: 100));
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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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// 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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// 创建解码器配置
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final config = VideoDecoderConfig(
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width: StartChartManage().videoWidth,
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width: width,
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// 实际视频宽度
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height: StartChartManage().videoHeight,
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height: height,
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codecType: 'h264',
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);
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AppLog.log('解码器配置的宽高为：${config.width}x${config.height}');
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// 初始化解码器并获取textureId
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final textureId = await VideoDecodePlugin.initDecoder(config);
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if (textureId != null) {
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@ -132,86 +154,6 @@ class TalkViewNativeDecodeLogic extends BaseGetXController {
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_initVideoDecoder(); // 重试初始化
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}
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}
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// 等待有效的视频尺寸
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Future<void> _waitForValidVideoDimensions() async {
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int attempts = 0;
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const maxAttempts = 20; // 最多等待10秒 (20次 * 500ms)
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while (attempts < maxAttempts) {
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// 检查videoWidth和videoHeight是否有效（非0）
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if (StartChartManage().videoWidth != 0 && StartChartManage().videoHeight != 0) {
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AppLog.log('获取到有效的视频尺寸: ${StartChartManage().videoWidth}x${StartChartManage().videoHeight}');
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return;
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}
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attempts++;
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await Future.delayed(const Duration(milliseconds: 500));
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AppLog.log('等待有效的视频尺寸... 第 $attempts 次, 当前尺寸: ${StartChartManage().videoWidth}x${StartChartManage().videoHeight}');
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}
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// 如果等待超时，使用默认尺寸
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AppLog.log('等待视频尺寸超时，使用默认尺寸: 864x480');
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StartChartManage().videoWidth = 864;
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StartChartManage().videoHeight = 480;
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}
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// iOS平台专用的视频解码器初始化方法，带有多次尝试逻辑
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Future<int?> _attemptVideoDecoderInitialization(VideoDecoderConfig config, {int maxAttempts = 3}) async {
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for (int attempt = 1; attempt <= maxAttempts; attempt++) {
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try {
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AppLog.log('视频解码器初始化第 $attempt 次尝试, 尺寸: ${config.width}x${config.height}');
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final textureId = await VideoDecodePlugin.initDecoder(config);
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if (textureId != null) {
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AppLog.log('视频解码器初始化第 $attempt 次尝试成功');
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return textureId;
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}
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// 如果失败，等待一段时间再重试
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if (attempt < maxAttempts) {
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await Future.delayed(Duration(milliseconds: 500 * attempt));
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}
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} catch (e) {
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AppLog.log('视频解码器初始化第 $attempt 次尝试出错: $e');
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if (attempt < maxAttempts) {
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await Future.delayed(Duration(milliseconds: 500 * attempt));
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}
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}
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}
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// 如果使用实际尺寸初始化失败，尝试使用默认尺寸
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AppLog.log('使用实际尺寸初始化失败，尝试使用默认尺寸重新初始化');
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final defaultConfig = VideoDecoderConfig(
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width: 864,
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height: 480,
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codecType: 'h264',
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);
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for (int attempt = 1; attempt <= maxAttempts; attempt++) {
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try {
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AppLog.log('使用默认尺寸进行视频解码器初始化第 $attempt 次尝试');
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final textureId = await VideoDecodePlugin.initDecoder(defaultConfig);
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if (textureId != null) {
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AppLog.log('使用默认尺寸视频解码器初始化第 $attempt 次尝试成功');
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// 更新StartChartManage中的尺寸值
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StartChartManage().videoWidth = 864;
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StartChartManage().videoHeight = 480;
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return textureId;
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}
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if (attempt < maxAttempts) {
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await Future.delayed(Duration(milliseconds: 500 * attempt));
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}
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} catch (e) {
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AppLog.log('使用默认尺寸视频解码器初始化第 $attempt 次尝试出错: $e');
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if (attempt < maxAttempts) {
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await Future.delayed(Duration(milliseconds: 500 * attempt));
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}
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}
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}
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return null;
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}
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/// 初始化音频播放器
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void _initFlutterPcmSound() {
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@ -340,7 +282,6 @@ class TalkViewNativeDecodeLogic extends BaseGetXController {
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AppLog.log('启动帧处理定时器，目标帧率: ${state.targetFps}fps，间隔: ${intervalMs}ms');
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}
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/// 从缓冲区处理下一帧
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/// 从缓冲区处理下一帧
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void _processNextFrameFromBuffer() async {
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final startTime = DateTime.now().microsecondsSinceEpoch;
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@ -377,7 +318,6 @@ class TalkViewNativeDecodeLogic extends BaseGetXController {
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final int? frameSeq = frameMap['frameSeq'];
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final int? frameSeqI = frameMap['frameSeqI'];
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final int? pts = frameMap['pts'];
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final ScpMessage? scpMessage = frameMap['scpMessage'];
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if (frameData == null || frameType == null || frameSeq == null || frameSeqI == null || pts == null) {
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state.isProcessingFrame = false;
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return;
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@ -422,7 +362,6 @@ class TalkViewNativeDecodeLogic extends BaseGetXController {
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final int? frameSeq = frameMap['frameSeq'];
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final int? frameSeqI = frameMap['frameSeqI'];
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final int? pts = frameMap['pts'];
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final ScpMessage? scpMessage = frameMap['scpMessage'];
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if (frameData == null || frameType == null || frameSeq == null || frameSeqI == null || pts == null) {
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state.isProcessingFrame = false;
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return;
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@ -631,8 +570,6 @@ class TalkViewNativeDecodeLogic extends BaseGetXController {
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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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AppLog.log("初始化对讲状态111111：${state.startChartTalkStatus.status}");
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AppLog.log("初始化对讲状态222222：${state.talkStatus.value}");
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// 初始化音频播放器
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_initFlutterPcmSound();
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@ -642,9 +579,6 @@ class TalkViewNativeDecodeLogic extends BaseGetXController {
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requestPermissions();
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// 启动视频尺寸监听器
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_startVideoDimensionListener();
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// 初始化视频解码器
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_initVideoDecoder();
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@ -685,7 +619,6 @@ class TalkViewNativeDecodeLogic extends BaseGetXController {
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// 取消数据流监听
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_streamSubscription?.cancel();
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_streamSubscription = null;
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_isListening = false;
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// 重置期望数据
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@ -702,11 +635,6 @@ 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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// 取消视频尺寸监听器
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_videoDimensionCheckTimer?.cancel();
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_videoDimensionCheckTimer = null;
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super.onClose();
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}
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@ -1017,21 +945,6 @@ class TalkViewNativeDecodeLogic extends BaseGetXController {
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}
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}
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// 监听视频尺寸变化，当它们更新时尝试初始化解码器（如果尚未初始化）
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void _startVideoDimensionListener() {
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_videoDimensionCheckTimer = Timer.periodic(const Duration(milliseconds: 500), (timer) {
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// 检查是否已经有有效的videoWidth和videoHeight，且解码器尚未初始化
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if (state.textureId.value == null &&
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StartChartManage().videoWidth != 0 &&
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StartChartManage().videoHeight != 0 ) {
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// 尝试初始化解码器（如果尚未初始化）
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if (state.textureId.value == null) {
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_initVideoDecoder();
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}
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}
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});
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}
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void _processFrame(TalkDataModel talkDataModel) {
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final talkData = talkDataModel.talkData;
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final talkDataH264Frame = talkDataModel.talkDataH264Frame;
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@ -1071,4 +984,4 @@ class TalkViewNativeDecodeLogic extends BaseGetXController {
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break;
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}
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}
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}
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}
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@ -86,7 +86,9 @@ class _TalkViewNativeDecodePageState extends State<TalkViewNativeDecodePage> wit
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quarterTurns: startChartManage.rotateAngle ~/ 90,
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child: state.isFullScreen.isFalse
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? AspectRatio(
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aspectRatio: StartChartManage().videoWidth / StartChartManage().videoHeight,
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aspectRatio: StartChartManage().videoWidth > 0 && StartChartManage().videoHeight > 0
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? StartChartManage().videoWidth / StartChartManage().videoHeight
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: 864 / 480,
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child: Texture(
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textureId: state.textureId.value!,
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filterQuality: FilterQuality.medium,
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@ -135,8 +135,13 @@ class _TalkViewPageState extends State<TalkViewPage>
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if (state.listData.value.isEmpty) {
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return const SizedBox.shrink();
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}
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final int videoW = startChartManage.videoWidth;
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final int videoH = startChartManage.videoHeight;
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int videoW = startChartManage.videoWidth;
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int videoH = startChartManage.videoHeight;
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// 如果视频参数未就绪，使用默认值
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if (videoW == 0 || videoH == 0) {
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videoW = 864;
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videoH = 480;
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}
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if (videoW == 320 && videoH == 240) {
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return Positioned(
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top: 150.h,
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@ -640,6 +645,11 @@ class _TalkViewPageState extends State<TalkViewPage>
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double barWidth = 1.sw - 30.w * 2;
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int videoW = startChartManage.videoWidth;
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int videoH = startChartManage.videoHeight;
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// 如果视频参数未就绪，使用默认值
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if (videoW == 0 || videoH == 0) {
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videoW = 864;
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videoH = 480;
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}
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int quarterTurns = startChartManage.rotateAngle ~/ 90;
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bool isRotated = quarterTurns % 2 == 1;
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// 旋转后宽高互换
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