52 lines
1.8 KiB
Matlab
52 lines
1.8 KiB
Matlab
function plotJitterEstimate(filename)
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[timestamps, framedata, slopes, randJitters, framestats, timetable, filtjitter, rtt, rttStatsVec] = jitterBufferTraceParser(filename);
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x = 1:size(framestats, 1);
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%figure(2);
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subfigure(3, 2, 1);
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hold on;
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plot(x, slopes(x, 1).*(framestats(x, 1) - framestats(x, 2)) + 3*sqrt(randJitters(x,2)), 'b'); title('Estimate ms');
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plot(x, filtjitter, 'r');
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plot(x, slopes(x, 1).*(framestats(x, 1) - framestats(x, 2)), 'g');
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subfigure(3, 2, 2);
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%subplot(211);
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plot(x, slopes(x, 1)); title('Line slope');
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%subplot(212);
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%plot(x, slopes(x, 2)); title('Line offset');
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subfigure(3, 2, 3); hold on;
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plot(x, framestats); plot(x, framedata(x, 1)); title('frame size and average frame size');
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subfigure(3, 2, 4);
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plot(x, framedata(x, 2)); title('Delay');
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subfigure(3, 2, 5);
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hold on;
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plot(x, randJitters(x,1),'r');
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plot(x, randJitters(x,2)); title('Random jitter');
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subfigure(3, 2, 6);
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delays = framedata(:,2);
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dL = [0; framedata(2:end, 1) - framedata(1:end-1, 1)];
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hold on;
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plot(dL, delays, '.');
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s = [min(dL) max(dL)];
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plot(s, slopes(end, 1)*s + slopes(end, 2), 'g');
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plot(s, slopes(end, 1)*s + slopes(end, 2) + 3*sqrt(randJitters(end,2)), 'r');
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plot(s, slopes(end, 1)*s + slopes(end, 2) - 3*sqrt(randJitters(end,2)), 'r');
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title('theta(1)*x+theta(2), (dT-dTS)/dL');
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if sum(size(rttStatsVec)) > 0
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figure; hold on;
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rttNstdDevsDrift = 3.5;
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rttNstdDevsJump = 2.5;
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rttSamples = rttStatsVec(:, 1);
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rttAvgs = rttStatsVec(:, 2);
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rttStdDevs = sqrt(rttStatsVec(:, 3));
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rttMax = rttStatsVec(:, 4);
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plot(rttSamples, 'ko-');
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plot(rttAvgs, 'g');
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plot(rttAvgs + rttNstdDevsDrift*rttStdDevs, 'b--');
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plot(rttAvgs + rttNstdDevsJump*rttStdDevs, 'b');
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plot(rttAvgs - rttNstdDevsJump*rttStdDevs, 'b');
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plot(rttMax, 'r');
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%plot(driftRestarts*max(maxRtts), '.');
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%plot(jumpRestarts*max(maxRtts), '.');
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end |