git-svn-id: http://webrtc.googlecode.com/svn/trunk@4 4adac7df-926f-26a2-2b94-8c16560cd09d
This commit is contained in:
niklase@google.com
213
modules/video_coding/main/test/plotReceiveTrace.m
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213
modules/video_coding/main/test/plotReceiveTrace.m
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function [t, TS] = plotReceiveTrace(filename, flat)
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fid=fopen(filename);
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%DEBUG ; ( 8:32:33:375 | 0) VIDEO:1 ; 5260; First packet of frame 1869537938
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%DEBUG ; ( 8:32:33:375 | 0) VIDEO CODING:1 ; 5260; Decoding timestamp 1869534934
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%DEBUG ; ( 8:32:33:375 | 0) VIDEO:1 ; 5260; Render frame 1869534934 at 20772610
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%DEBUG ; ( 8:32:33:375 | 0) VIDEO CODING:-1 ; 5260; Frame decoded: timeStamp=1870511259 decTime=0 maxDecTime=0, at 19965
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%DEBUG ; ( 7:59:42:500 | 0) VIDEO:-1 ; 2500; Received complete frame timestamp 1870514263 frame type 1 frame size 7862 at time 19965, jitter estimate was 130
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%DEBUG ; ( 8: 5:51:774 | 0) VIDEO:-1 ; 3968; ExtrapolateLocalTime(1870967878)=24971 ms
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if nargin == 1
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flat = 0;
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end
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line = fgetl(fid);
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estimatedArrivalTime = [];
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packetTime = [];
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firstPacketTime = [];
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decodeTime = [];
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decodeCompleteTime = [];
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renderTime = [];
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completeTime = [];
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while ischar(line)%line ~= -1
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if length(line) == 0
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line = fgetl(fid);
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continue;
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end
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% Parse the trace line header
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[tempres, count] = sscanf(line, 'DEBUG ; (%u:%u:%u:%u |%*lu)%13c:');
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if count < 5
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line = fgetl(fid);
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continue;
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end
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hr=tempres(1);
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mn=tempres(2);
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sec=tempres(3);
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ms=tempres(4);
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timeInMs=hr*60*60*1000 + mn*60*1000 + sec*1000 + ms;
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label = tempres(5:end);
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I = find(label ~= 32);
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label = label(I(1):end); % remove white spaces
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if ~strncmp(char(label), 'VIDEO', 5) & ~strncmp(char(label), 'VIDEO CODING', 12)
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line = fgetl(fid);
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continue;
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end
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message = line(72:end);
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% Parse message
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[p, count] = sscanf(message, 'ExtrapolateLocalTime(%lu)=%lu ms');
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if count == 2
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estimatedArrivalTime = [estimatedArrivalTime; p'];
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line = fgetl(fid);
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continue;
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end
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[p, count] = sscanf(message, 'Packet seqNo %u of frame %lu at %lu');
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if count == 3
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packetTime = [packetTime; p'];
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line = fgetl(fid);
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continue;
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end
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[p, count] = sscanf(message, 'First packet of frame %lu at %lu');
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if count == 2
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firstPacketTime = [firstPacketTime; p'];
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line = fgetl(fid);
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continue;
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end
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[p, count] = sscanf(message, 'Decoding timestamp %lu at %lu');
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if count == 2
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decodeTime = [decodeTime; p'];
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line = fgetl(fid);
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continue;
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end
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[p, count] = sscanf(message, 'Render frame %lu at %lu. Render delay %lu, required delay %lu, max decode time %lu, min total delay %lu');
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if count == 6
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renderTime = [renderTime; p'];
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line = fgetl(fid);
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continue;
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end
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[p, count] = sscanf(message, 'Frame decoded: timeStamp=%lu decTime=%d maxDecTime=%lu, at %lu');
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if count == 4
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decodeCompleteTime = [decodeCompleteTime; p'];
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line = fgetl(fid);
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continue;
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end
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[p, count] = sscanf(message, 'Received complete frame timestamp %lu frame type %u frame size %*u at time %lu, jitter estimate was %lu');
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if count == 4
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completeTime = [completeTime; p'];
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line = fgetl(fid);
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continue;
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end
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line = fgetl(fid);
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end
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fclose(fid);
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t = completeTime(:,3);
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TS = completeTime(:,1);
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figure;
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subplot(211);
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hold on;
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slope = 0;
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if sum(size(packetTime)) > 0
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% Plot the time when each packet arrives
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firstTimeStamp = packetTime(1,2);
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x = (packetTime(:,2) - firstTimeStamp)/90;
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if flat
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slope = x;
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end
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firstTime = packetTime(1,3);
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plot(x, packetTime(:,3) - firstTime - slope, 'b.');
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else
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% Plot the time when the first packet of a frame arrives
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firstTimeStamp = firstPacketTime(1,1);
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x = (firstPacketTime(:,1) - firstTimeStamp)/90;
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if flat
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slope = x;
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end
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firstTime = firstPacketTime(1,2);
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plot(x, firstPacketTime(:,2) - firstTime - slope, 'b.');
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end
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% Plot the frame complete time
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if prod(size(completeTime)) > 0
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x = (completeTime(:,1) - firstTimeStamp)/90;
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if flat
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slope = x;
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end
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plot(x, completeTime(:,3) - firstTime - slope, 'ks');
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end
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% Plot the time the decode starts
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if prod(size(decodeTime)) > 0
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x = (decodeTime(:,1) - firstTimeStamp)/90;
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if flat
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slope = x;
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end
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plot(x, decodeTime(:,2) - firstTime - slope, 'r.');
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end
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% Plot the decode complete time
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if prod(size(decodeCompleteTime)) > 0
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x = (decodeCompleteTime(:,1) - firstTimeStamp)/90;
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if flat
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slope = x;
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end
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plot(x, decodeCompleteTime(:,4) - firstTime - slope, 'g.');
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end
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if prod(size(renderTime)) > 0
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% Plot the wanted render time in ms
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x = (renderTime(:,1) - firstTimeStamp)/90;
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if flat
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slope = x;
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end
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plot(x, renderTime(:,2) - firstTime - slope, 'c-');
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% Plot the render time if there were no render delay or decoding delay.
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x = (renderTime(:,1) - firstTimeStamp)/90;
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if flat
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slope = x;
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end
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plot(x, renderTime(:,2) - firstTime - slope - renderTime(:, 3) - renderTime(:, 5), 'c--');
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% Plot the render time if there were no render delay.
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x = (renderTime(:,1) - firstTimeStamp)/90;
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if flat
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slope = x;
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end
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plot(x, renderTime(:,2) - firstTime - slope - renderTime(:, 3) - renderTime(:, 5), 'b-');
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end
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%plot(x, 90*x, 'r-');
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xlabel('RTP timestamp (in ms)');
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ylabel('Time (ms)');
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legend('Packet arrives', 'Frame complete', 'Decode', 'Decode complete', 'Time to render', 'Only jitter', 'Must decode');
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% subplot(312);
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% hold on;
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% completeTs = completeTime(:, 1);
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% arrivalTs = estimatedArrivalTime(:, 1);
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% [c, completeIdx, arrivalIdx] = intersect(completeTs, arrivalTs);
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% %plot(completeTs(completeIdx), completeTime(completeIdx, 3) - estimatedArrivalTime(arrivalIdx, 2));
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% timeUntilComplete = completeTime(completeIdx, 3) - estimatedArrivalTime(arrivalIdx, 2);
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% devFromAvgCompleteTime = timeUntilComplete - mean(timeUntilComplete);
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% plot(completeTs(completeIdx) - completeTs(completeIdx(1)), devFromAvgCompleteTime);
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% plot(completeTime(:, 1) - completeTime(1, 1), completeTime(:, 4), 'r');
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% plot(decodeCompleteTime(:, 1) - decodeCompleteTime(1, 1), decodeCompleteTime(:, 2), 'g');
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% plot(decodeCompleteTime(:, 1) - decodeCompleteTime(1, 1), decodeCompleteTime(:, 3), 'k');
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% xlabel('RTP timestamp');
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% ylabel('Time (ms)');
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% legend('Complete time - Estimated arrival time', 'Desired jitter buffer level', 'Actual decode time', 'Max decode time', 0);
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if prod(size(renderTime)) > 0
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subplot(212);
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hold on;
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firstTime = renderTime(1, 1);
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targetDelay = max(renderTime(:, 3) + renderTime(:, 4) + renderTime(:, 5), renderTime(:, 6));
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plot(renderTime(:, 1) - firstTime, renderTime(:, 3), 'r-');
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plot(renderTime(:, 1) - firstTime, renderTime(:, 4), 'b-');
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plot(renderTime(:, 1) - firstTime, renderTime(:, 5), 'g-');
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plot(renderTime(:, 1) - firstTime, renderTime(:, 6), 'k-');
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plot(renderTime(:, 1) - firstTime, targetDelay, 'c-');
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xlabel('RTP timestamp');
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ylabel('Time (ms)');
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legend('Render delay', 'Jitter delay', 'Decode delay', 'Extra delay', 'Min total delay');
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end
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