diff options
Diffstat (limited to 'webrtc/modules/video_coding/test/plotTimingTest.m')
| -rw-r--r-- | webrtc/modules/video_coding/test/plotTimingTest.m | 62 |
1 files changed, 62 insertions, 0 deletions
diff --git a/webrtc/modules/video_coding/test/plotTimingTest.m b/webrtc/modules/video_coding/test/plotTimingTest.m new file mode 100644 index 0000000000..52a6f303cd --- /dev/null +++ b/webrtc/modules/video_coding/test/plotTimingTest.m @@ -0,0 +1,62 @@ +function plotTimingTest(filename) +fid=fopen(filename); + +%DEBUG ; ( 9:53:33:859 | 0) VIDEO:-1 ; 7132; Stochastic test 1 +%DEBUG ; ( 9:53:33:859 | 0) VIDEO CODING:-1 ; 7132; Frame decoded: timeStamp=3000 decTime=10 at 10012 +%DEBUG ; ( 9:53:33:859 | 0) VIDEO:-1 ; 7132; timeStamp=3000 clock=10037 maxWaitTime=0 +%DEBUG ; ( 9:53:33:859 | 0) VIDEO:-1 ; 7132; timeStampMs=33 renderTime=54 +line = fgetl(fid); +decTime = []; +waitTime = []; +renderTime = []; +foundStart = 0; +testName = 'Stochastic test 1'; +while ischar(line) + if length(line) == 0 + line = fgetl(fid); + continue; + end + lineOrig = line; + line = line(72:end); + if ~foundStart + if strncmp(line, testName, length(testName)) + foundStart = 1; + end + line = fgetl(fid); + continue; + end + [p, count] = sscanf(line, 'Frame decoded: timeStamp=%lu decTime=%d maxDecTime=%d, at %lu'); + if count == 4 + decTime = [decTime; p']; + line = fgetl(fid); + continue; + end + [p, count] = sscanf(line, 'timeStamp=%u clock=%u maxWaitTime=%u'); + if count == 3 + waitTime = [waitTime; p']; + line = fgetl(fid); + continue; + end + [p, count] = sscanf(line, 'timeStamp=%u renderTime=%u'); + if count == 2 + renderTime = [renderTime; p']; + line = fgetl(fid); + continue; + end + line = fgetl(fid); +end +fclose(fid); + +% Compensate for wrap arounds and start counting from zero. +timeStamps = waitTime(:, 1); +tsDiff = diff(timeStamps); +wrapIdx = find(tsDiff < 0); +timeStamps(wrapIdx+1:end) = hex2dec('ffffffff') + timeStamps(wrapIdx+1:end); +timeStamps = timeStamps - timeStamps(1); + +figure; +hold on; +plot(timeStamps, decTime(:, 2), 'r'); +plot(timeStamps, waitTime(:, 3), 'g'); +plot(timeStamps(2:end), diff(renderTime(:, 2)), 'b'); +legend('Decode time', 'Max wait time', 'Render time diff');
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