Frame latency and jitter improvements

This commit is contained in:
Cameron Gutman 2014-06-19 19:13:16 -07:00
parent 329a938bf8
commit 869cbe2e81
4 changed files with 47 additions and 88 deletions

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@ -13,6 +13,7 @@ import com.limelight.LimeLog;
import com.limelight.nvstream.av.ByteBufferDescriptor;
import com.limelight.nvstream.av.DecodeUnit;
import com.limelight.nvstream.av.video.VideoDecoderRenderer;
import com.limelight.nvstream.av.video.VideoDepacketizer;
import com.limelight.nvstream.av.video.cpu.AvcDecoder;
public class AndroidCpuDecoderRenderer implements VideoDecoderRenderer {
@ -141,22 +142,23 @@ public class AndroidCpuDecoderRenderer implements VideoDecoderRenderer {
}
@Override
public void start() {
public void start(final VideoDepacketizer depacketizer) {
rendererThread = new Thread() {
@Override
public void run() {
long nextFrameTime = System.currentTimeMillis();
DecodeUnit du;
while (!isInterrupted())
{
du = depacketizer.pollNextDecodeUnit();
if (du != null) {
submitDecodeUnit(du);
}
long diff = nextFrameTime - System.currentTimeMillis();
if (diff > WAIT_CEILING_MS) {
try {
Thread.sleep(diff);
} catch (InterruptedException e) {
return;
}
continue;
}
nextFrameTime = computePresentationTimeMs(targetFps);
@ -165,6 +167,7 @@ public class AndroidCpuDecoderRenderer implements VideoDecoderRenderer {
}
};
rendererThread.setName("Video - Renderer (CPU)");
rendererThread.setPriority(Thread.MAX_PRIORITY);
rendererThread.start();
}
@ -186,8 +189,7 @@ public class AndroidCpuDecoderRenderer implements VideoDecoderRenderer {
AvcDecoder.destroy();
}
@Override
public boolean submitDecodeUnit(DecodeUnit decodeUnit) {
private boolean submitDecodeUnit(DecodeUnit decodeUnit) {
byte[] data;
// Use the reserved decoder buffer if this decode unit will fit

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@ -1,7 +1,7 @@
package com.limelight.binding.video;
import com.limelight.nvstream.av.DecodeUnit;
import com.limelight.nvstream.av.video.VideoDecoderRenderer;
import com.limelight.nvstream.av.video.VideoDepacketizer;
public class ConfigurableDecoderRenderer implements VideoDecoderRenderer {
@ -26,8 +26,8 @@ public class ConfigurableDecoderRenderer implements VideoDecoderRenderer {
}
@Override
public void start() {
decoderRenderer.start();
public void start(VideoDepacketizer depacketizer) {
decoderRenderer.start(depacketizer);
}
@Override
@ -35,11 +35,6 @@ public class ConfigurableDecoderRenderer implements VideoDecoderRenderer {
decoderRenderer.stop();
}
@Override
public boolean submitDecodeUnit(DecodeUnit du) {
return decoderRenderer.submitDecodeUnit(du);
}
@Override
public int getCapabilities() {
return decoderRenderer.getCapabilities();

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@ -8,6 +8,7 @@ import com.limelight.LimeLog;
import com.limelight.nvstream.av.ByteBufferDescriptor;
import com.limelight.nvstream.av.DecodeUnit;
import com.limelight.nvstream.av.video.VideoDecoderRenderer;
import com.limelight.nvstream.av.video.VideoDepacketizer;
import android.media.MediaCodec;
import android.media.MediaCodecInfo;
@ -23,15 +24,13 @@ public class MediaCodecDecoderRenderer implements VideoDecoderRenderer {
private ByteBuffer[] videoDecoderInputBuffers;
private MediaCodec videoDecoder;
private Thread rendererThread;
private int redrawRate;
private boolean needsSpsBitstreamFixup;
private boolean needsSpsNumRefFixup;
private boolean fastInputQueueing;
private VideoDepacketizer depacketizer;
public static final List<String> blacklistedDecoderPrefixes;
public static final List<String> spsFixupBitsreamFixupDecoderPrefixes;
public static final List<String> spsFixupNumRefFixupDecoderPrefixes;
public static final List<String> fastInputQueueingPrefixes;
static {
blacklistedDecoderPrefixes = new LinkedList<String>();
@ -46,11 +45,6 @@ public class MediaCodecDecoderRenderer implements VideoDecoderRenderer {
spsFixupNumRefFixupDecoderPrefixes = new LinkedList<String>();
spsFixupNumRefFixupDecoderPrefixes.add("omx.TI");
}
static {
fastInputQueueingPrefixes = new LinkedList<String>();
fastInputQueueingPrefixes.add("omx.nvidia");
}
private static boolean isDecoderInList(List<String> decoderList, String decoderName) {
for (String badPrefix : decoderList) {
@ -124,9 +118,7 @@ public class MediaCodecDecoderRenderer implements VideoDecoderRenderer {
}
@Override
public void setup(int width, int height, int redrawRate, Object renderTarget, int drFlags) {
this.redrawRate = redrawRate;
public void setup(int width, int height, int redrawRate, Object renderTarget, int drFlags) {
//dumpDecoders();
MediaCodecInfo safeDecoder = findSafeDecoder();
@ -140,16 +132,11 @@ public class MediaCodecDecoderRenderer implements VideoDecoderRenderer {
if (needsSpsNumRefFixup) {
LimeLog.info("Decoder "+safeDecoder.getName()+" needs SPS ref num fixup");
}
fastInputQueueing = isDecoderInList(fastInputQueueingPrefixes, safeDecoder.getName());
if (fastInputQueueing) {
LimeLog.info("Decoder "+safeDecoder.getName()+" supports fast input queueing");
}
}
else {
videoDecoder = MediaCodec.createDecoderByType("video/avc");
needsSpsBitstreamFixup = false;
needsSpsNumRefFixup = false;
fastInputQueueing = false;
}
MediaFormat videoFormat = MediaFormat.createVideoFormat("video/avc", width, height);
@ -167,59 +154,51 @@ public class MediaCodecDecoderRenderer implements VideoDecoderRenderer {
rendererThread = new Thread() {
@Override
public void run() {
long nextFrameTimeUs = 0;
BufferInfo info = new BufferInfo();
DecodeUnit du;
while (!isInterrupted())
{
// Block for a maximum of 100 ms
int outIndex = videoDecoder.dequeueOutputBuffer(info, 100000);
switch (outIndex) {
case MediaCodec.INFO_OUTPUT_BUFFERS_CHANGED:
LimeLog.info("Output buffers changed");
break;
case MediaCodec.INFO_OUTPUT_FORMAT_CHANGED:
LimeLog.info("Output format changed");
LimeLog.info("New output Format: " + videoDecoder.getOutputFormat());
break;
default:
break;
}
du = depacketizer.pollNextDecodeUnit();
if (du != null) {
submitDecodeUnit(du);
}
int outIndex = videoDecoder.dequeueOutputBuffer(info, 0);
if (outIndex >= 0) {
int lastIndex = outIndex;
boolean render = false;
if (currentTimeUs() >= nextFrameTimeUs) {
render = true;
nextFrameTimeUs = computePresentationTime(redrawRate);
}
// Get the last output buffer in the queue
while ((outIndex = videoDecoder.dequeueOutputBuffer(info, 0)) >= 0) {
videoDecoder.releaseOutputBuffer(lastIndex, false);
lastIndex = outIndex;
}
// Render that buffer if it's time for the next frame
videoDecoder.releaseOutputBuffer(lastIndex, render);
// Render the last buffer
videoDecoder.releaseOutputBuffer(lastIndex, true);
} else {
switch (outIndex) {
case MediaCodec.INFO_OUTPUT_BUFFERS_CHANGED:
LimeLog.info("Output buffers changed");
break;
case MediaCodec.INFO_OUTPUT_FORMAT_CHANGED:
LimeLog.info("Output format changed");
LimeLog.info("New output Format: " + videoDecoder.getOutputFormat());
break;
default:
break;
}
}
}
}
};
rendererThread.setName("Video - Renderer (MediaCodec)");
rendererThread.setPriority(Thread.MAX_PRIORITY);
rendererThread.start();
}
private static long currentTimeUs() {
return System.nanoTime() / 1000;
}
private long computePresentationTime(int frameRate) {
return currentTimeUs() + (1000000 / frameRate);
}
@Override
public void start() {
public void start(VideoDepacketizer depacketizer) {
this.depacketizer = depacketizer;
startRendererThread();
}
@ -239,24 +218,7 @@ public class MediaCodecDecoderRenderer implements VideoDecoderRenderer {
}
}
@Override
public boolean submitDecodeUnit(DecodeUnit decodeUnit) {
if (decodeUnit.getType() != DecodeUnit.TYPE_H264) {
System.err.println("Unknown decode unit type");
return false;
}
int mcFlags = 0;
if ((decodeUnit.getFlags() & DecodeUnit.DU_FLAG_CODEC_CONFIG) != 0) {
LimeLog.info("Codec config");
mcFlags |= MediaCodec.BUFFER_FLAG_CODEC_CONFIG;
}
if ((decodeUnit.getFlags() & DecodeUnit.DU_FLAG_SYNC_FRAME) != 0) {
LimeLog.info("Sync frame");
mcFlags |= MediaCodec.BUFFER_FLAG_SYNC_FRAME;
}
private boolean submitDecodeUnit(DecodeUnit decodeUnit) {
int inputIndex = videoDecoder.dequeueInputBuffer(-1);
if (inputIndex >= 0)
{
@ -312,7 +274,7 @@ public class MediaCodecDecoderRenderer implements VideoDecoderRenderer {
videoDecoder.queueInputBuffer(inputIndex,
0, spsLength,
0, mcFlags);
0, 0);
return true;
}
}
@ -325,7 +287,7 @@ public class MediaCodecDecoderRenderer implements VideoDecoderRenderer {
videoDecoder.queueInputBuffer(inputIndex,
0, decodeUnit.getDataLength(),
0, mcFlags);
0, 0);
}
return true;
@ -333,7 +295,7 @@ public class MediaCodecDecoderRenderer implements VideoDecoderRenderer {
@Override
public int getCapabilities() {
return fastInputQueueing ? VideoDecoderRenderer.CAPABILITY_DIRECT_SUBMIT : 0;
return 0;
}
/**