拆分媒体

2026-05-24 01:01:28 +08:00
parent 44f4b30313
commit 0d8a567c95
3 changed files with 193 additions and 160 deletions
--- a/client/public/webrtc-stats.js
+++ b/client/public/webrtc-stats.js
@@ -0,0 +1,96 @@
+function createStatsSummary() {
+    return {
+        video: {
+            packetsLost: 0,
+            packetsReceived: 0,
+            bytesReceived: 0,
+            jitter: 0,
+            roundTripTime: 0,
+            fps: 0,
+            bitrate: 0
+        },
+        audio: {
+            packetsLost: 0,
+            packetsReceived: 0,
+            bytesReceived: 0,
+            jitter: 0
+        },
+        network: {
+            totalPacketsLost: 0,
+            totalPacketsReceived: 0,
+            inboundRtpCount: 0,
+            jitter: 0,
+            roundTripTime: 0
+        }
+    };
+}
+
+export function summarizeInboundStats(stats) {
+    const summary = createStatsSummary();
+
+    stats.forEach((report) => {
+        if (report.type === 'inbound-rtp' && report.mediaType === 'video') {
+            summary.network.inboundRtpCount++;
+
+            if (report.packetsLost !== undefined && report.packetsReceived !== undefined) {
+                summary.network.totalPacketsLost += report.packetsLost;
+                summary.network.totalPacketsReceived += report.packetsReceived;
+            }
+
+            if (report.jitter !== undefined) {
+                summary.network.jitter = Math.max(summary.network.jitter, report.jitter);
+            }
+
+            if (report.roundTripTime !== undefined) {
+                summary.network.roundTripTime = Math.max(summary.network.roundTripTime, report.roundTripTime);
+            }
+
+            summary.video.packetsLost = report.packetsLost || 0;
+            summary.video.packetsReceived = report.packetsReceived || 0;
+            summary.video.bytesReceived = report.bytesReceived || 0;
+            summary.video.jitter = report.jitter || 0;
+            summary.video.roundTripTime = report.roundTripTime || 0;
+            summary.video.fps = report.framesPerSecond || 0;
+
+            if (report.bytesReceived && report.timestamp) {
+                const duration = report.timestamp / 1000;
+                summary.video.bitrate = duration > 0
+                    ? Math.round((report.bytesReceived * 8) / (duration * 1000))
+                    : 0;
+            }
+        } else if (report.type === 'inbound-rtp' && report.mediaType === 'audio') {
+            summary.audio.packetsLost = report.packetsLost || 0;
+            summary.audio.packetsReceived = report.packetsReceived || 0;
+            summary.audio.bytesReceived = report.bytesReceived || 0;
+            summary.audio.jitter = report.jitter || 0;
+        }
+    });
+
+    return summary;
+}
+
+export function getNetworkQualityFromSummary(summary) {
+    const { totalPacketsLost, totalPacketsReceived, inboundRtpCount, jitter, roundTripTime } = summary.network;
+
+    if (inboundRtpCount === 0) {
+        return 'no_signal';
+    }
+
+    const packetLossRate = totalPacketsReceived > 0
+        ? totalPacketsLost / (totalPacketsLost + totalPacketsReceived)
+        : 0;
+    const jitterMs = jitter * 1000;
+    const rttMs = roundTripTime * 1000;
+
+    if (packetLossRate > 0.05 || jitterMs > 100 || rttMs > 300) {
+        return 'poor';
+    }
+    if (packetLossRate > 0.02 || jitterMs > 50 || rttMs > 150) {
+        return 'fair';
+    }
+    if (packetLossRate > 0.01 || jitterMs > 30 || rttMs > 100) {
+        return 'good';
+    }
+
+    return 'excellent';
+}