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Use monotonic system time for rendering timestamps. This is required now in Android 6.0 since these timestamps are propagated to the codec.

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This commit is contained in:
Cameron Gutman 2015-08-17 18:40:25 -07:00
parent 932ce435b5
commit 7023760782
4 changed files with 18 additions and 14 deletions
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app/libs/limelight-common.jar
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8
app/src/main/java/com/limelight/binding/video/AndroidCpuDecoderRenderer.java
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@ -177,10 +177,10 @@ public class AndroidCpuDecoderRenderer extends EnhancedDecoderRenderer {
rendererThread = new Thread() {
@Override
public void run() {
long nextFrameTime = System.currentTimeMillis();
long nextFrameTime = MediaCodecHelper.getMonotonicMillis();
while (!isInterrupted())
{
long diff = nextFrameTime - System.currentTimeMillis();
long diff = nextFrameTime - MediaCodecHelper.getMonotonicMillis();
if (diff > WAIT_CEILING_MS) {
try {
@ -203,7 +203,7 @@ public class AndroidCpuDecoderRenderer extends EnhancedDecoderRenderer {
}
private long computePresentationTimeMs(int frameRate) {
return System.currentTimeMillis() + (1000 / frameRate);
return MediaCodecHelper.getMonotonicMillis() + (1000 / frameRate);
}
@Override
@ -251,7 +251,7 @@ public class AndroidCpuDecoderRenderer extends EnhancedDecoderRenderer {
boolean success = (AvcDecoder.decode(data, 0, decodeUnit.getDataLength()) == 0);
if (success) {
long timeAfterDecode = System.currentTimeMillis();
long timeAfterDecode = MediaCodecHelper.getMonotonicMillis();
// Add delta time to the totals (excluding probable outliers)
long delta = timeAfterDecode - decodeUnit.getReceiveTimestamp();

20
app/src/main/java/com/limelight/binding/video/MediaCodecDecoderRenderer.java
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@ -169,7 +169,7 @@ public class MediaCodecDecoderRenderer extends EnhancedDecoderRenderer {
videoDecoder.releaseOutputBuffer(lastIndex, true);
// Add delta time to the totals (excluding probable outliers)
long delta = System.currentTimeMillis() - (presentationTimeUs / 1000);
long delta = MediaCodecHelper.getMonotonicMillis() - (presentationTimeUs / 1000);
if (delta >= 0 && delta < 1000) {
decoderTimeMs += delta;
totalTimeMs += delta;
@ -201,14 +201,14 @@ public class MediaCodecDecoderRenderer extends EnhancedDecoderRenderer {
int index;
long startTime, queueTime;
startTime = System.currentTimeMillis();
startTime = MediaCodecHelper.getMonotonicMillis();
index = videoDecoder.dequeueInputBuffer(wait ? (infiniteWait ? -1 : 3000) : 0);
if (index < 0) {
return index;
}
queueTime = System.currentTimeMillis();
queueTime = MediaCodecHelper.getMonotonicMillis();
if (queueTime - startTime >= 20) {
LimeLog.warning("Queue input buffer ran long: " + (queueTime - startTime) + " ms");
@ -236,7 +236,7 @@ public class MediaCodecDecoderRenderer extends EnhancedDecoderRenderer {
inputIndex = dequeueInputBuffer(false, false);
du = depacketizer.pollNextDecodeUnit();
if (du != null) {
lastDuDequeueTime = System.currentTimeMillis();
lastDuDequeueTime = MediaCodecHelper.getMonotonicMillis();
notifyDuReceived(du);
}
@ -278,7 +278,7 @@ public class MediaCodecDecoderRenderer extends EnhancedDecoderRenderer {
if (du == null) {
du = depacketizer.pollNextDecodeUnit();
if (du != null) {
lastDuDequeueTime = System.currentTimeMillis();
lastDuDequeueTime = MediaCodecHelper.getMonotonicMillis();
notifyDuReceived(du);
}
}
@ -286,7 +286,7 @@ public class MediaCodecDecoderRenderer extends EnhancedDecoderRenderer {
// If we've got both a decode unit and an input buffer, we'll
// submit now. Otherwise, we wait until we have one.
if (du != null && inputIndex >= 0) {
long submissionTime = System.currentTimeMillis();
long submissionTime = MediaCodecHelper.getMonotonicMillis();
if (submissionTime - lastDuDequeueTime >= 20) {
LimeLog.warning("Receiving an input buffer took too long: "+(submissionTime - lastDuDequeueTime)+" ms");
}
@ -317,7 +317,7 @@ public class MediaCodecDecoderRenderer extends EnhancedDecoderRenderer {
videoDecoder.releaseOutputBuffer(lastIndex, true);
// Add delta time to the totals (excluding probable outliers)
long delta = System.currentTimeMillis()-(presentationTimeUs/1000);
long delta = MediaCodecHelper.getMonotonicMillis()-(presentationTimeUs/1000);
if (delta >= 0 && delta < 1000) {
decoderTimeMs += delta;
totalTimeMs += delta;
@ -435,7 +435,7 @@ public class MediaCodecDecoderRenderer extends EnhancedDecoderRenderer {
@SuppressWarnings("deprecation")
private void submitDecodeUnit(DecodeUnit decodeUnit, int inputBufferIndex) {
long timestampUs = System.currentTimeMillis() * 1000;
long timestampUs = System.nanoTime() / 1000;
if (timestampUs <= lastTimestampUs) {
// We can't submit multiple buffers with the same timestamp
// so bump it up by one before queuing
@ -608,7 +608,7 @@ public class MediaCodecDecoderRenderer extends EnhancedDecoderRenderer {
// Queue the new SPS
queueInputBuffer(inputIndex,
0, inputBuffer.position(),
System.currentTimeMillis() * 1000,
System.nanoTime() / 1000,
MediaCodec.BUFFER_FLAG_CODEC_CONFIG);
LimeLog.info("SPS replay complete");
@ -649,7 +649,7 @@ public class MediaCodecDecoderRenderer extends EnhancedDecoderRenderer {
}
private void notifyDuReceived(DecodeUnit du) {
long currentTime = System.currentTimeMillis();
long currentTime = MediaCodecHelper.getMonotonicMillis();
long delta = currentTime-du.getReceiveTimestamp();
if (delta >= 0 && delta < 1000) {
totalTimeMs += currentTime-du.getReceiveTimestamp();

4
app/src/main/java/com/limelight/binding/video/MediaCodecHelper.java
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@ -83,6 +83,10 @@ public class MediaCodecHelper {
return false;
}
public static long getMonotonicMillis() {
return System.nanoTime() / 1000000L;
}
@TargetApi(Build.VERSION_CODES.KITKAT)
public static boolean decoderSupportsAdaptivePlayback(String decoderName, MediaCodecInfo decoderInfo) {