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Code cleanup

This commit is contained in:
0xb00bface 2023-04-08 13:06:32 +02:00
parent 5137e2819e
commit 2ceec9ce94
1 changed files with 12 additions and 10 deletions
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22
common/src/main/java/ctbrec/recorder/download/VideoLengthDetector.java
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@ -1,5 +1,11 @@
package ctbrec.recorder.download; package ctbrec.recorder.download;
import ctbrec.OS;
import ctbrec.io.DevNull;
import ctbrec.io.StreamRedirector;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import java.io.ByteArrayOutputStream; import java.io.ByteArrayOutputStream;
import java.io.File; import java.io.File;
import java.io.IOException; import java.io.IOException;
@ -8,20 +14,16 @@ import java.util.Arrays;
import java.util.regex.Matcher; import java.util.regex.Matcher;
import java.util.regex.Pattern; import java.util.regex.Pattern;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import ctbrec.OS;
import ctbrec.io.DevNull;
import ctbrec.io.StreamRedirector;
public class VideoLengthDetector { public class VideoLengthDetector {
private static final Logger LOG = LoggerFactory.getLogger(VideoLengthDetector.class); private static final Logger LOG = LoggerFactory.getLogger(VideoLengthDetector.class);
private VideoLengthDetector() {
}
/** /**
* Tries to determine the length of a video file by calling FFmpeg and parsing it's output * Tries to determine the length of a video file by calling FFmpeg and parsing it's output
* *
* @param videoFile * @param videoFile the video file to analyze
* @return the length as Duration object. The duration is negative, if the length couldn't be determined * @return the length as Duration object. The duration is negative, if the length couldn't be determined
*/ */
public static Duration getLength(File videoFile) { public static Duration getLength(File videoFile) {
@ -37,7 +39,7 @@ public class VideoLengthDetector {
String[] cmdline = OS.getFFmpegCommand(args); String[] cmdline = OS.getFFmpegCommand(args);
LOG.debug("Command line: {}", Arrays.toString(cmdline)); LOG.debug("Command line: {}", Arrays.toString(cmdline));
Process ffmpeg = Runtime.getRuntime().exec(cmdline, new String[0], videoFile.getParentFile()); Process ffmpeg = Runtime.getRuntime().exec(cmdline, new String[0], videoFile.getParentFile());
int exitCode = 1; int exitCode;
ByteArrayOutputStream stdErrBuffer = new ByteArrayOutputStream(); ByteArrayOutputStream stdErrBuffer = new ByteArrayOutputStream();
Thread stdout = new Thread(new StreamRedirector(ffmpeg.getInputStream(), new DevNull())); Thread stdout = new Thread(new StreamRedirector(ffmpeg.getInputStream(), new DevNull()));
Thread stderr = new Thread(new StreamRedirector(ffmpeg.getErrorStream(), stdErrBuffer)); Thread stderr = new Thread(new StreamRedirector(ffmpeg.getErrorStream(), stdErrBuffer));
@ -47,7 +49,7 @@ public class VideoLengthDetector {
LOG.debug("FFmpeg exited with code {}", exitCode); LOG.debug("FFmpeg exited with code {}", exitCode);
stdout.join(); stdout.join();
stderr.join(); stderr.join();
String ffmpegStderr = new String(stdErrBuffer.toByteArray()); String ffmpegStderr = stdErrBuffer.toString();
return parseDuration(ffmpegStderr); return parseDuration(ffmpegStderr);
} catch (IOException | ProcessExitedUncleanException e) { } catch (IOException | ProcessExitedUncleanException e) {
LOG.error("Error in FFMpeg thread", e); LOG.error("Error in FFMpeg thread", e);