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path: root/webrtc/modules/video_coding/test/plotReceiveTrace.m
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-rw-r--r--webrtc/modules/video_coding/test/plotReceiveTrace.m213
1 files changed, 213 insertions, 0 deletions
diff --git a/webrtc/modules/video_coding/test/plotReceiveTrace.m b/webrtc/modules/video_coding/test/plotReceiveTrace.m
new file mode 100644
index 0000000000..4d262aa165
--- /dev/null
+++ b/webrtc/modules/video_coding/test/plotReceiveTrace.m
@@ -0,0 +1,213 @@
+function [t, TS] = plotReceiveTrace(filename, flat)
+fid=fopen(filename);
+%DEBUG ; ( 8:32:33:375 | 0) VIDEO:1 ; 5260; First packet of frame 1869537938
+%DEBUG ; ( 8:32:33:375 | 0) VIDEO CODING:1 ; 5260; Decoding timestamp 1869534934
+%DEBUG ; ( 8:32:33:375 | 0) VIDEO:1 ; 5260; Render frame 1869534934 at 20772610
+%DEBUG ; ( 8:32:33:375 | 0) VIDEO CODING:-1 ; 5260; Frame decoded: timeStamp=1870511259 decTime=0 maxDecTime=0, at 19965
+%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
+%DEBUG ; ( 8: 5:51:774 | 0) VIDEO:-1 ; 3968; ExtrapolateLocalTime(1870967878)=24971 ms
+
+if nargin == 1
+ flat = 0;
+end
+line = fgetl(fid);
+estimatedArrivalTime = [];
+packetTime = [];
+firstPacketTime = [];
+decodeTime = [];
+decodeCompleteTime = [];
+renderTime = [];
+completeTime = [];
+while ischar(line)%line ~= -1
+ if length(line) == 0
+ line = fgetl(fid);
+ continue;
+ end
+ % Parse the trace line header
+ [tempres, count] = sscanf(line, 'DEBUG ; (%u:%u:%u:%u |%*lu)%13c:');
+ if count < 5
+ line = fgetl(fid);
+ continue;
+ end
+ hr=tempres(1);
+ mn=tempres(2);
+ sec=tempres(3);
+ ms=tempres(4);
+ timeInMs=hr*60*60*1000 + mn*60*1000 + sec*1000 + ms;
+ label = tempres(5:end);
+ I = find(label ~= 32);
+ label = label(I(1):end); % remove white spaces
+ if ~strncmp(char(label), 'VIDEO', 5) & ~strncmp(char(label), 'VIDEO CODING', 12)
+ line = fgetl(fid);
+ continue;
+ end
+ message = line(72:end);
+
+ % Parse message
+ [p, count] = sscanf(message, 'ExtrapolateLocalTime(%lu)=%lu ms');
+ if count == 2
+ estimatedArrivalTime = [estimatedArrivalTime; p'];
+ line = fgetl(fid);
+ continue;
+ end
+
+ [p, count] = sscanf(message, 'Packet seqNo %u of frame %lu at %lu');
+ if count == 3
+ packetTime = [packetTime; p'];
+ line = fgetl(fid);
+ continue;
+ end
+
+ [p, count] = sscanf(message, 'First packet of frame %lu at %lu');
+ if count == 2
+ firstPacketTime = [firstPacketTime; p'];
+ line = fgetl(fid);
+ continue;
+ end
+
+ [p, count] = sscanf(message, 'Decoding timestamp %lu at %lu');
+ if count == 2
+ decodeTime = [decodeTime; p'];
+ line = fgetl(fid);
+ continue;
+ end
+
+ [p, count] = sscanf(message, 'Render frame %lu at %lu. Render delay %lu, required delay %lu, max decode time %lu, min total delay %lu');
+ if count == 6
+ renderTime = [renderTime; p'];
+ line = fgetl(fid);
+ continue;
+ end
+
+ [p, count] = sscanf(message, 'Frame decoded: timeStamp=%lu decTime=%d maxDecTime=%lu, at %lu');
+ if count == 4
+ decodeCompleteTime = [decodeCompleteTime; p'];
+ line = fgetl(fid);
+ continue;
+ end
+
+ [p, count] = sscanf(message, 'Received complete frame timestamp %lu frame type %u frame size %*u at time %lu, jitter estimate was %lu');
+ if count == 4
+ completeTime = [completeTime; p'];
+ line = fgetl(fid);
+ continue;
+ end
+
+ line = fgetl(fid);
+end
+fclose(fid);
+
+t = completeTime(:,3);
+TS = completeTime(:,1);
+
+figure;
+subplot(211);
+hold on;
+slope = 0;
+
+if sum(size(packetTime)) > 0
+ % Plot the time when each packet arrives
+ firstTimeStamp = packetTime(1,2);
+ x = (packetTime(:,2) - firstTimeStamp)/90;
+ if flat
+ slope = x;
+ end
+ firstTime = packetTime(1,3);
+ plot(x, packetTime(:,3) - firstTime - slope, 'b.');
+else
+ % Plot the time when the first packet of a frame arrives
+ firstTimeStamp = firstPacketTime(1,1);
+ x = (firstPacketTime(:,1) - firstTimeStamp)/90;
+ if flat
+ slope = x;
+ end
+ firstTime = firstPacketTime(1,2);
+ plot(x, firstPacketTime(:,2) - firstTime - slope, 'b.');
+end
+
+% Plot the frame complete time
+if prod(size(completeTime)) > 0
+ x = (completeTime(:,1) - firstTimeStamp)/90;
+ if flat
+ slope = x;
+ end
+ plot(x, completeTime(:,3) - firstTime - slope, 'ks');
+end
+
+% Plot the time the decode starts
+if prod(size(decodeTime)) > 0
+ x = (decodeTime(:,1) - firstTimeStamp)/90;
+ if flat
+ slope = x;
+ end
+ plot(x, decodeTime(:,2) - firstTime - slope, 'r.');
+end
+
+% Plot the decode complete time
+if prod(size(decodeCompleteTime)) > 0
+ x = (decodeCompleteTime(:,1) - firstTimeStamp)/90;
+ if flat
+ slope = x;
+ end
+ plot(x, decodeCompleteTime(:,4) - firstTime - slope, 'g.');
+end
+
+if prod(size(renderTime)) > 0
+ % Plot the wanted render time in ms
+ x = (renderTime(:,1) - firstTimeStamp)/90;
+ if flat
+ slope = x;
+ end
+ plot(x, renderTime(:,2) - firstTime - slope, 'c-');
+
+ % Plot the render time if there were no render delay or decoding delay.
+ x = (renderTime(:,1) - firstTimeStamp)/90;
+ if flat
+ slope = x;
+ end
+ plot(x, renderTime(:,2) - firstTime - slope - renderTime(:, 3) - renderTime(:, 5), 'c--');
+
+ % Plot the render time if there were no render delay.
+ x = (renderTime(:,1) - firstTimeStamp)/90;
+ if flat
+ slope = x;
+ end
+ plot(x, renderTime(:,2) - firstTime - slope - renderTime(:, 3) - renderTime(:, 5), 'b-');
+end
+
+%plot(x, 90*x, 'r-');
+
+xlabel('RTP timestamp (in ms)');
+ylabel('Time (ms)');
+legend('Packet arrives', 'Frame complete', 'Decode', 'Decode complete', 'Time to render', 'Only jitter', 'Must decode');
+
+% subplot(312);
+% hold on;
+% completeTs = completeTime(:, 1);
+% arrivalTs = estimatedArrivalTime(:, 1);
+% [c, completeIdx, arrivalIdx] = intersect(completeTs, arrivalTs);
+% %plot(completeTs(completeIdx), completeTime(completeIdx, 3) - estimatedArrivalTime(arrivalIdx, 2));
+% timeUntilComplete = completeTime(completeIdx, 3) - estimatedArrivalTime(arrivalIdx, 2);
+% devFromAvgCompleteTime = timeUntilComplete - mean(timeUntilComplete);
+% plot(completeTs(completeIdx) - completeTs(completeIdx(1)), devFromAvgCompleteTime);
+% plot(completeTime(:, 1) - completeTime(1, 1), completeTime(:, 4), 'r');
+% plot(decodeCompleteTime(:, 1) - decodeCompleteTime(1, 1), decodeCompleteTime(:, 2), 'g');
+% plot(decodeCompleteTime(:, 1) - decodeCompleteTime(1, 1), decodeCompleteTime(:, 3), 'k');
+% xlabel('RTP timestamp');
+% ylabel('Time (ms)');
+% legend('Complete time - Estimated arrival time', 'Desired jitter buffer level', 'Actual decode time', 'Max decode time', 0);
+
+if prod(size(renderTime)) > 0
+ subplot(212);
+ hold on;
+ firstTime = renderTime(1, 1);
+ targetDelay = max(renderTime(:, 3) + renderTime(:, 4) + renderTime(:, 5), renderTime(:, 6));
+ plot(renderTime(:, 1) - firstTime, renderTime(:, 3), 'r-');
+ plot(renderTime(:, 1) - firstTime, renderTime(:, 4), 'b-');
+ plot(renderTime(:, 1) - firstTime, renderTime(:, 5), 'g-');
+ plot(renderTime(:, 1) - firstTime, renderTime(:, 6), 'k-');
+ plot(renderTime(:, 1) - firstTime, targetDelay, 'c-');
+ xlabel('RTP timestamp');
+ ylabel('Time (ms)');
+ legend('Render delay', 'Jitter delay', 'Decode delay', 'Extra delay', 'Min total delay');
+end \ No newline at end of file