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Add timekeeping stats to CPU decoder

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This commit is contained in:
Cameron Gutman 2014-07-10 18:59:05 -07:00
parent 91e68c0580
commit d2f8ee8b81
1 changed files with 28 additions and 3 deletions
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27
src/com/limelight/binding/video/AndroidCpuDecoderRenderer.java
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@ -31,6 +31,10 @@ public class AndroidCpuDecoderRenderer implements VideoDecoderRenderer {
private static final int MED_PERF = 2; private static final int MED_PERF = 2;
private static final int HIGH_PERF = 3; private static final int HIGH_PERF = 3;
private int totalFrames;
private long decoderTimeMs;
private long totalTimeMs;
private int cpuCount = Runtime.getRuntime().availableProcessors(); private int cpuCount = Runtime.getRuntime().availableProcessors();
private int findOptimalPerformanceLevel() { private int findOptimalPerformanceLevel() {
@ -195,6 +199,8 @@ public class AndroidCpuDecoderRenderer implements VideoDecoderRenderer {
private boolean submitDecodeUnit(DecodeUnit decodeUnit) { private boolean submitDecodeUnit(DecodeUnit decodeUnit) {
byte[] data; byte[] data;
long timeBeforeDecode = System.currentTimeMillis();
// Use the reserved decoder buffer if this decode unit will fit // Use the reserved decoder buffer if this decode unit will fit
if (decodeUnit.getDataLength() <= DECODER_BUFFER_SIZE) { if (decodeUnit.getDataLength() <= DECODER_BUFFER_SIZE) {
decoderBuffer.clear(); decoderBuffer.clear();
@ -215,7 +221,20 @@ public class AndroidCpuDecoderRenderer implements VideoDecoderRenderer {
} }
} }
return (AvcDecoder.decode(data, 0, decodeUnit.getDataLength()) == 0); boolean success = (AvcDecoder.decode(data, 0, decodeUnit.getDataLength()) == 0);
if (success) {
long timeAfterDecode = System.currentTimeMillis();
// Add delta time to the totals (excluding probable outliers)
long delta = timeAfterDecode - decodeUnit.getReceiveTimestamp();
if (delta >= 0 && delta < 300) {
decoderTimeMs += timeAfterDecode-timeBeforeDecode;
totalTimeMs += delta;
totalFrames++;
}
}
return success;
} }
@Override @Override
@ -225,11 +244,17 @@ public class AndroidCpuDecoderRenderer implements VideoDecoderRenderer {
@Override @Override
public int getAverageDecoderLatency() { public int getAverageDecoderLatency() {
if (totalFrames == 0) {
return 0; return 0;
} }
return (int)(decoderTimeMs / totalFrames);
}
@Override @Override
public int getAverageEndToEndLatency() { public int getAverageEndToEndLatency() {
if (totalFrames == 0) {
return 0; return 0;
} }
return (int)(totalTimeMs / totalFrames);
}
} }