From: Svjatoslav Agejenko <svjatoslav@svjatoslav.eu>
Date: Tue, 19 Nov 2013 14:44:19 +0000 (+0200)
Subject: mkv to mp4 conversion
X-Git-Tag: meviz-1.0~70
X-Git-Url: http://www2.svjatoslav.eu/gitweb/?a=commitdiff_plain;h=dddcfc16c5894cfb8fb98719f7652662d8466062;p=meviz.git

mkv to mp4 conversion
---

diff --git a/src/main/java/eu/svjatoslav/meviz/encoder/FormatsRegistry.java b/src/main/java/eu/svjatoslav/meviz/encoder/FormatsRegistry.java
index ab794c3..9555e6e 100755
--- a/src/main/java/eu/svjatoslav/meviz/encoder/FormatsRegistry.java
+++ b/src/main/java/eu/svjatoslav/meviz/encoder/FormatsRegistry.java
@@ -15,6 +15,7 @@ import java.util.List;
 import eu.svjatoslav.meviz.encoder.converters.Avi2Ogv;
 import eu.svjatoslav.meviz.encoder.converters.Converter;
 import eu.svjatoslav.meviz.encoder.converters.Jpeg2Png;
+import eu.svjatoslav.meviz.encoder.converters.Mkv2Mp4;
 import eu.svjatoslav.meviz.encoder.converters.Mp42Ogv;
 import eu.svjatoslav.meviz.encoder.converters.Mts2Mkv;
 import eu.svjatoslav.meviz.encoder.converters.Mts2Mp4;
@@ -26,47 +27,50 @@ import eu.svjatoslav.meviz.encoder.converters.Wav2mp3;
 
 public class FormatsRegistry {
 
-    public ArrayList<Converter> encoders = new ArrayList<Converter>();
+	public ArrayList<Converter> encoders = new ArrayList<Converter>();
 
-    public FormatsRegistry() {
-    	// video conversion
-        registerEncoder(new Avi2Ogv());
-        registerEncoder(new Mp42Ogv());
-        registerEncoder(new Mts2Mp4());
-        registerEncoder(new Mts2Mkv());
+	public FormatsRegistry() {
+		// video conversion
+		registerEncoder(new Avi2Ogv());
+		registerEncoder(new Mp42Ogv());
+		registerEncoder(new Mts2Mp4());
+		registerEncoder(new Mts2Mkv());
+		registerEncoder(new Mkv2Mp4());
 
-        // image conversion
-        registerEncoder(new Jpeg2Png());
-        registerEncoder(new Png2Tiff());
-        registerEncoder(new Tiff2Png());
+		// image conversion
+		registerEncoder(new Jpeg2Png());
+		registerEncoder(new Png2Tiff());
+		registerEncoder(new Tiff2Png());
 
-        // audio conversion
-        registerEncoder(new Ogg2Wav());
-        registerEncoder(new Wav2mp3());
-        registerEncoder(new Ogg2Mp3());
-    }
+		// audio conversion
+		registerEncoder(new Ogg2Wav());
+		registerEncoder(new Wav2mp3());
+		registerEncoder(new Ogg2Mp3());
+	}
 
-    public List<Converter> getEncoders(final String sourceFormat, final String targetFormat) {
+	public List<Converter> getEncoders(final String sourceFormat,
+			final String targetFormat) {
 
-        final String sourceFormatLowerCase = sourceFormat.toLowerCase();
-        final String targetFormatLowerCase = targetFormat.toLowerCase();
+		final String sourceFormatLowerCase = sourceFormat.toLowerCase();
+		final String targetFormatLowerCase = targetFormat.toLowerCase();
 
-        final ArrayList<Converter> encoders = new ArrayList<Converter>();
+		final ArrayList<Converter> encoders = new ArrayList<Converter>();
 
-        for (final Converter encoder : this.encoders) {
-            if (encoder.getSourceFileExtension().equals(sourceFormatLowerCase)) {
-                if (encoder.getTargetFileExtension().equals(targetFormatLowerCase)) {
-                    encoders.add(encoder);
-                    return encoders;
-                }
-            }
-        }
+		for (final Converter encoder : this.encoders) {
+			if (encoder.getSourceFileExtension().equals(sourceFormatLowerCase)) {
+				if (encoder.getTargetFileExtension().equals(
+						targetFormatLowerCase)) {
+					encoders.add(encoder);
+					return encoders;
+				}
+			}
+		}
 
-        return encoders;
-    }
+		return encoders;
+	}
 
-    public void registerEncoder(final Converter encoder) {
-        encoders.add(encoder);
-    }
+	public void registerEncoder(final Converter encoder) {
+		encoders.add(encoder);
+	}
 
 }
diff --git a/src/main/java/eu/svjatoslav/meviz/encoder/converters/Mkv2Mp4.java b/src/main/java/eu/svjatoslav/meviz/encoder/converters/Mkv2Mp4.java
new file mode 100644
index 0000000..dba7a1e
--- /dev/null
+++ b/src/main/java/eu/svjatoslav/meviz/encoder/converters/Mkv2Mp4.java
@@ -0,0 +1,78 @@
+/*
+ * Meviz - Various tools collection to work with multimedia.
+ * Copyright (C) 2012, Svjatoslav Agejenko, svjatoslav@svjatoslav.eu
+ * 
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of version 2 of the GNU General Public License
+ * as published by the Free Software Foundation.
+ */
+
+package eu.svjatoslav.meviz.encoder.converters;
+
+import java.io.File;
+
+import eu.svjatoslav.meviz.encoder.EncodingOptions;
+
+public class Mkv2Mp4 implements Converter {
+
+	@Override
+	public String getCommand(final File inputFile, final File targetFile,
+			final EncodingOptions options) {
+
+		int videoBitrate;
+		int audioBitrate;
+
+		switch (options.videoBitrate) {
+		case LOW:
+			videoBitrate = 1000;
+			audioBitrate = 128;
+			break;
+
+		case MEDIUM:
+			videoBitrate = 3500;
+			audioBitrate = 128;
+			break;
+
+		case HIGH:
+			videoBitrate = 15000;
+			audioBitrate = 500;
+			break;
+
+		default:
+			throw new RuntimeException("Video bitrate: " + options.videoBitrate
+					+ " is not supported.");
+		}
+
+		// convert
+		final StringBuffer codecParams = new StringBuffer();
+
+		codecParams.append("-acodec libmp3lame -vcodec libx264");
+
+		codecParams.append(" -b " + videoBitrate + "k");
+		codecParams.append(" -b:a " + audioBitrate + "k");
+
+		if (options.deinterlace) {
+			codecParams.append(" -filter:v yadif");
+		}
+
+		return "avconv -i \"" + inputFile.getAbsolutePath() + "\" "
+				+ codecParams.toString() + " \"" + targetFile.getAbsolutePath()
+				+ "\"";
+	}
+
+	@Override
+	public String getSourceFileExtension() {
+		return "mkv";
+	}
+
+	@Override
+	public String getTargetFileExtension() {
+		return "mp4";
+	}
+
+	@Override
+	public boolean isTerminalMandatory() {
+		return true;
+	}
+
+}