git-svn-id: http://webrtc.googlecode.com/svn/trunk@4 4adac7df-926f-26a2-2b94-8c16560cd09d

2011-05-30 11:22:19 +00:00
parent 01813fe945
commit 77ae29bc81
1153 changed files with 404089 additions and 0 deletions
--- a/modules/video_coding/main/test/plotTimingTest.m
+++ b/modules/video_coding/main/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');