Files
ReplayModCinematic/src/main/java/eu/crushedpixel/replaymod/video/VideoWriter.java

118 lines
4.4 KiB
Java
Executable File

package eu.crushedpixel.replaymod.video;
import eu.crushedpixel.replaymod.settings.RenderOptions;
import eu.crushedpixel.replaymod.utils.ByteBufferPool;
import eu.crushedpixel.replaymod.utils.StreamPipe;
import eu.crushedpixel.replaymod.utils.StringUtils;
import eu.crushedpixel.replaymod.video.frame.RGBFrame;
import eu.crushedpixel.replaymod.video.rendering.FrameConsumer;
import net.minecraft.client.Minecraft;
import net.minecraft.crash.CrashReport;
import net.minecraft.crash.CrashReportCategory;
import org.apache.commons.io.IOUtils;
import org.lwjgl.util.ReadableDimension;
import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.OutputStream;
import java.nio.channels.Channels;
import java.nio.channels.WritableByteChannel;
import java.util.ArrayList;
import java.util.List;
import java.util.concurrent.TimeUnit;
import static org.apache.commons.lang3.Validate.isTrue;
public class VideoWriter implements FrameConsumer<RGBFrame> {
private final RenderOptions options;
private final Process process;
private final OutputStream outputStream;
private final WritableByteChannel channel;
private final String commandArgs;
private volatile boolean aborted;
public VideoWriter(final RenderOptions options) throws IOException {
this.options = options.copy();
File outputFolder = options.getOutputFile().getParentFile();
String fileName = options.getOutputFile().getName();
commandArgs = options.getExportCommandArgs()
.replace("%WIDTH%", String.valueOf(options.getWidth()))
.replace("%HEIGHT%", String.valueOf(options.getHeight()))
.replace("%FPS%", String.valueOf(options.getFps()))
.replace("%FILENAME%", fileName)
.replace("%BITRATE%", options.getBitrate());
List<String> command = new ArrayList<String>();
command.add(options.getExportCommand());
command.addAll(StringUtils.translateCommandline(commandArgs));
System.out.println("Starting " + options.getExportCommand() + " with args: " + commandArgs);
process = new ProcessBuilder(command).directory(outputFolder).start();
OutputStream exportLogOut = new FileOutputStream("export.log");
new StreamPipe(process.getInputStream(), exportLogOut).start();
new StreamPipe(process.getErrorStream(), exportLogOut).start();
outputStream = process.getOutputStream();
channel = Channels.newChannel(outputStream);
}
@Override
public void close() throws IOException {
IOUtils.closeQuietly(outputStream);
long startTime = System.nanoTime();
long rem = TimeUnit.SECONDS.toNanos(30);
do {
try {
process.exitValue();
break;
} catch(IllegalThreadStateException ex) {
if (rem > 0) {
try {
Thread.sleep(Math.min(TimeUnit.NANOSECONDS.toMillis(rem) + 1, 100));
} catch (InterruptedException e) {
Thread.currentThread().interrupt();
break;
}
}
}
rem = TimeUnit.SECONDS.toNanos(30) - (System.nanoTime() - startTime);
} while (rem > 0);
process.destroy();
}
@Override
public void consume(RGBFrame frame) {
try {
checkSize(frame.getSize());
channel.write(frame.getByteBuffer());
ByteBufferPool.release(frame.getByteBuffer());
} catch (Throwable t) {
if (aborted) {
return;
}
CrashReport report = CrashReport.makeCrashReport(t, "Exporting frame");
CrashReportCategory exportDetails = report.makeCategory("Export details");
exportDetails.addCrashSection("Export command", options.getExportCommand());
exportDetails.addCrashSection("Export args", commandArgs);
Minecraft.getMinecraft().crashed(report);
}
}
private void checkSize(ReadableDimension size) {
checkSize(size.getWidth(), size.getHeight());
}
private void checkSize(int width, int height) {
isTrue(width == options.getWidth(), "Width has to be %d but was %d", options.getWidth(), width);
isTrue(height == options.getHeight(), "Height has to be %d but was %d", options.getHeight(), height);
}
public void abort() {
aborted = true;
}
}