52 lines
1.8 KiB
Mathematica
52 lines
1.8 KiB
Mathematica
|
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
|