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