test
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@@ -75,6 +75,7 @@ export class WebRTCStatsSampler {
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let decodeMs = null;
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let processingDelayMs = null;
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let framesDroppedDelta = null;
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let intervalLossPercent = null;
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if (previous && timestamp > previous.timestamp && Number(item.bytesReceived) >= previous.bytesReceived) {
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bitrateMbps = ((Number(item.bytesReceived) - previous.bytesReceived) * 8) /
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((timestamp - previous.timestamp) * 1000);
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@@ -87,6 +88,10 @@ export class WebRTCStatsSampler {
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}
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const droppedDelta = (Number(item.framesDropped) || 0) - previous.framesDropped;
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if (droppedDelta >= 0) framesDroppedDelta = droppedDelta;
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const receivedDelta = (Number(item.packetsReceived) || 0) - previous.packetsReceived;
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const lostDelta = (Number(item.packetsLost) || 0) - previous.packetsLost;
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const packetDelta = Math.max(0, receivedDelta) + Math.max(0, lostDelta);
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if (packetDelta > 0) intervalLossPercent = (Math.max(0, lostDelta) * 100) / packetDelta;
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}
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this.previous.set(item.id, {
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timestamp,
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@@ -95,6 +100,8 @@ export class WebRTCStatsSampler {
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totalDecodeTime: Number(item.totalDecodeTime) || 0,
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totalProcessingDelay: Number(item.totalProcessingDelay) || 0,
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framesDropped: Number(item.framesDropped) || 0,
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packetsReceived: Number(item.packetsReceived) || 0,
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packetsLost: Number(item.packetsLost) || 0,
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});
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const packetsReceived = Number(item.packetsReceived) || 0;
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const packetsLost = Math.max(0, Number(item.packetsLost) || 0);
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@@ -102,7 +109,7 @@ export class WebRTCStatsSampler {
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result[kind] = {
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bitrateMbps,
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packetsLost,
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lossPercent: packetTotal > 0 ? (packetsLost * 100) / packetTotal : 0,
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lossPercent: intervalLossPercent ?? (packetTotal > 0 ? (packetsLost * 100) / packetTotal : 0),
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jitterMs: Number.isFinite(item.jitter) ? item.jitter * 1000 : null,
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jitterBufferMs: averageJitterBufferMs(item),
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decodeMs,
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