Add a latency toast after the stream stops

This commit is contained in:
Cameron Gutman 2014-06-30 21:14:27 -07:00
parent b3c78ce1b1
commit a639143e94
5 changed files with 117 additions and 26 deletions

Binary file not shown.

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@ -65,6 +65,8 @@ public class Game extends Activity implements SurfaceHolder.Callback, OnGenericM
private boolean connecting = false;
private boolean connected = false;
private ConfigurableDecoderRenderer decoderRenderer;
private WifiManager.WifiLock wifiLock;
private int drFlags = 0;
@ -194,6 +196,7 @@ public class Game extends Activity implements SurfaceHolder.Callback, OnGenericM
enableLargePackets ? 1460 : 1024), PlatformBinding.getCryptoProvider(this));
keybTranslator = new KeyboardTranslator(conn);
controllerHandler = new ControllerHandler(conn);
decoderRenderer = new ConfigurableDecoderRenderer();
// The connection will be started when the surface gets created
sh.addCallback(this);
@ -330,6 +333,23 @@ public class Game extends Activity implements SurfaceHolder.Callback, OnGenericM
displayedFailureDialog = true;
conn.stop();
int averageEndToEndLat = decoderRenderer.getAverageEndToEndLatency();
int averageDecoderLat = decoderRenderer.getAverageDecoderLatency();
String message = null;
if (averageEndToEndLat > 0) {
message = "Average frame latency from receive to display: "+averageEndToEndLat+" ms";
if (averageDecoderLat > 0) {
message += " (decoder latency: "+averageDecoderLat+" ms)";
}
}
else if (averageDecoderLat > 0) {
message = "Average decoder latency: "+averageDecoderLat+" ms";
}
if (message != null) {
Toast.makeText(this, message, Toast.LENGTH_LONG).show();
}
finish();
}
@ -647,7 +667,7 @@ public class Game extends Activity implements SurfaceHolder.Callback, OnGenericM
if (!connected && !connecting) {
connecting = true;
conn.start(PlatformBinding.getDeviceName(), holder, drFlags,
PlatformBinding.getAudioRenderer(), new ConfigurableDecoderRenderer());
PlatformBinding.getAudioRenderer(), decoderRenderer);
}
}

View File

@ -222,4 +222,14 @@ public class AndroidCpuDecoderRenderer implements VideoDecoderRenderer {
public int getCapabilities() {
return 0;
}
@Override
public int getAverageDecoderLatency() {
return 0;
}
@Override
public int getAverageEndToEndLatency() {
return 0;
}
}

View File

@ -40,4 +40,23 @@ public class ConfigurableDecoderRenderer implements VideoDecoderRenderer {
return decoderRenderer.getCapabilities();
}
@Override
public int getAverageDecoderLatency() {
if (decoderRenderer != null) {
return decoderRenderer.getAverageDecoderLatency();
}
else {
return 0;
}
}
@Override
public int getAverageEndToEndLatency() {
if (decoderRenderer != null) {
return decoderRenderer.getAverageEndToEndLatency();
}
else {
return 0;
}
}
}

View File

@ -28,6 +28,12 @@ public class MediaCodecDecoderRenderer implements VideoDecoderRenderer {
private boolean needsSpsNumRefFixup;
private VideoDepacketizer depacketizer;
private long totalTimeMs;
private long decoderTimeMs;
private int totalFrames;
private final static byte[] BITSTREAM_RESTRICTIONS = new byte[] {(byte) 0xF1, (byte) 0x83, 0x2A, 0x00};
public static final List<String> blacklistedDecoderPrefixes;
public static final List<String> spsFixupBitsreamFixupDecoderPrefixes;
public static final List<String> spsFixupNumRefFixupDecoderPrefixes;
@ -177,6 +183,13 @@ public class MediaCodecDecoderRenderer implements VideoDecoderRenderer {
if (outIndex >= 0) {
int lastIndex = outIndex;
// Add delta time to the totals (excluding probable outliers)
long delta = System.currentTimeMillis()-info.presentationTimeUs;
if (delta > 5 && delta < 300) {
decoderTimeMs += delta;
totalTimeMs += delta;
}
// Get the last output buffer in the queue
while ((outIndex = videoDecoder.dequeueOutputBuffer(info, 0)) >= 0) {
videoDecoder.releaseOutputBuffer(lastIndex, false);
@ -216,7 +229,7 @@ public class MediaCodecDecoderRenderer implements VideoDecoderRenderer {
@Override
public void stop() {
rendererThread.interrupt();
try {
rendererThread.join();
} catch (InterruptedException e) { }
@ -235,6 +248,13 @@ public class MediaCodecDecoderRenderer implements VideoDecoderRenderer {
{
ByteBuffer buf = videoDecoderInputBuffers[inputIndex];
long currentTime = System.currentTimeMillis();
long delta = currentTime-decodeUnit.getReceiveTimestamp();
if (delta >= 0 && delta < 300) {
totalTimeMs += currentTime-decodeUnit.getReceiveTimestamp();
totalFrames++;
}
// Clear old input data
buf.clear();
@ -251,6 +271,8 @@ public class MediaCodecDecoderRenderer implements VideoDecoderRenderer {
(needsSpsBitstreamFixup || needsSpsNumRefFixup)) {
ByteBufferDescriptor header = decodeUnit.getBufferList().get(0);
if (header.data[header.offset+4] == 0x67) {
byte last = header.data[header.length+header.offset-1];
// TI OMAP4 requires a reference frame count of 1 to decode successfully
if (needsSpsNumRefFixup) {
LimeLog.info("Fixing up num ref frames");
@ -262,31 +284,41 @@ public class MediaCodecDecoderRenderer implements VideoDecoderRenderer {
// We manually modify the SPS here to speed-up decoding if the decoder was flagged as needing it.
int spsLength;
if (needsSpsBitstreamFixup) {
switch (header.length) {
case 26:
LimeLog.info("Adding bitstream restrictions to SPS (26)");
buf.put(header.data, header.offset, 24);
buf.put((byte) 0x11);
buf.put((byte) 0xe3);
buf.put((byte) 0x06);
buf.put((byte) 0x50);
spsLength = header.length + 2;
break;
case 27:
LimeLog.info("Adding bitstream restrictions to SPS (27)");
buf.put(header.data, header.offset, 25);
buf.put((byte) 0x04);
buf.put((byte) 0x78);
buf.put((byte) 0xc1);
buf.put((byte) 0x94);
spsLength = header.length + 2;
break;
default:
LimeLog.warning("Unknown SPS of length "+header.length);
if (!needsSpsNumRefFixup) {
switch (header.length) {
case 26:
LimeLog.info("Adding bitstream restrictions to SPS (26)");
buf.put(header.data, header.offset, 24);
buf.put((byte) 0x11);
buf.put((byte) 0xe3);
buf.put((byte) 0x06);
buf.put((byte) 0x50);
spsLength = header.length + 2;
break;
case 27:
LimeLog.info("Adding bitstream restrictions to SPS (27)");
buf.put(header.data, header.offset, 25);
buf.put((byte) 0x04);
buf.put((byte) 0x78);
buf.put((byte) 0xc1);
buf.put((byte) 0x94);
spsLength = header.length + 2;
break;
default:
LimeLog.warning("Unknown SPS of length "+header.length);
buf.put(header.data, header.offset, header.length);
spsLength = header.length;
break;
}
}
else {
// Set bitstream restrictions to only buffer single frame
// (starts 9 bits before stop bit and 6 bits earlier because of the shortening above)
this.replace(header, header.length*8+Integer.numberOfLeadingZeros(last & - last)%8-9-6, 2, BITSTREAM_RESTRICTIONS, 3*8);
buf.put(header.data, header.offset, header.length);
spsLength = header.length;
break;
}
}
else {
buf.put(header.data, header.offset, header.length);
@ -295,7 +327,7 @@ public class MediaCodecDecoderRenderer implements VideoDecoderRenderer {
videoDecoder.queueInputBuffer(inputIndex,
0, spsLength,
0, codecFlags);
currentTime, codecFlags);
return true;
}
}
@ -308,7 +340,7 @@ public class MediaCodecDecoderRenderer implements VideoDecoderRenderer {
videoDecoder.queueInputBuffer(inputIndex,
0, decodeUnit.getDataLength(),
0, codecFlags);
currentTime, codecFlags);
}
return true;
@ -397,4 +429,14 @@ public class MediaCodecDecoderRenderer implements VideoDecoderRenderer {
source.offset = offset;
source.length = length;
}
@Override
public int getAverageDecoderLatency() {
return (int)(decoderTimeMs / totalFrames);
}
@Override
public int getAverageEndToEndLatency() {
return (int)(totalTimeMs / totalFrames);
}
}