X-Git-Url: http://www2.svjatoslav.eu/gitweb/?a=blobdiff_plain;f=src%2Fmain%2Fjava%2Feu%2Fsvjatoslav%2Fmeviz%2Fencoder%2Fconverters%2FAvconvVideo.java;h=2492b52c6359054c5aa444148340b394caf77cc1;hb=fd7c0e940fb4059155d07992b8c1902537cf193b;hp=c63837ad50f1d733a53232d4e74413db218c7b97;hpb=565d9c726de9b50709027f9455d39499a17f4b25;p=meviz.git

diff --git a/src/main/java/eu/svjatoslav/meviz/encoder/converters/AvconvVideo.java b/src/main/java/eu/svjatoslav/meviz/encoder/converters/AvconvVideo.java
index c63837a..2492b52 100644
--- a/src/main/java/eu/svjatoslav/meviz/encoder/converters/AvconvVideo.java
+++ b/src/main/java/eu/svjatoslav/meviz/encoder/converters/AvconvVideo.java
@@ -1,7 +1,7 @@
 /*
  * Meviz - Various tools collection to work with multimedia.
- * Copyright (C) 2012, Svjatoslav Agejenko, svjatoslav@svjatoslav.eu
- * 
+ * Copyright (C) 2012 -- 2017, 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.
@@ -9,70 +9,151 @@
 
 package eu.svjatoslav.meviz.encoder.converters;
 
+import eu.svjatoslav.meviz.encoder.BitrateParameter.Bitrate;
+import eu.svjatoslav.meviz.encoder.EncodingOptions;
+
 import java.io.File;
 import java.util.List;
 
-import eu.svjatoslav.meviz.encoder.EncodingOptions;
-
 public class AvconvVideo extends AbstractConverter {
 
-	@Override
-	public String getCommand(final File inputFile, final File targetFile,
-			final EncodingOptions options) {
+    private String constructCodecParamsString(final EncodingOptions options,
+                                              final int videoBitrate, final int audioBitrate,
+                                              final String videoCodec, final String audioCodec) {
+
+        final StringBuilder codecParams = new StringBuilder();
+
+        if (audioCodec == null)
+            codecParams.append("-an ");
+        else
+            codecParams.append("-acodec " + audioCodec + " ");
+
+        codecParams.append("-vcodec " + videoCodec + " ");
+
+        if (videoBitrate != -1)
+            codecParams.append("-b " + videoBitrate + "k ");
+
+        if (audioBitrate != -1)
+            codecParams.append("-b:a " + audioBitrate + "k ");
+
+        if (options.isDeinterlace())
+            codecParams.append("-filter:v yadif ");
+
+        if (options.getTargetFps() != null)
+            codecParams.append("-r " + options.getTargetFps() + " ");
+
+        return codecParams.toString();
+    }
+
+    private int getAudioBitrateValue(final Bitrate bitRate) {
+        switch (bitRate) {
+            case LOW:
+                return 128;
+
+            case MEDIUM:
+                return 160;
+
+            case HIGH:
+                return 320;
+
+            case COPY:
+                return -1;
+
+            case NONE:
+                return -1;
+
+            default:
+                throw new RuntimeException("Audio bitrate: " + bitRate
+                        + " is not supported.");
+        }
+    }
+
+    @Override
+    public String getCommand(final File inputFile, final File targetFile,
+                             final EncodingOptions options, final String targetFormat) {
+
+        int videoBitrate = getVideoBitrateValue(options.getVideoBitrate());
+        int audioBitrate = getAudioBitrateValue(options.getAudioBitrate());
+
+        // convert
+        final StringBuilder codecParams = new StringBuilder();
+
+        String videoCodec = "libx264";
+        String audioCodec = "libmp3lame";
+
+        if (targetFormat.equals("webm")) {
+            videoCodec = "vp8";
+            audioCodec = "opus";
+            codecParams.append("-s 800x450 ");
+        }
+
+        if (options.getVideoBitrate() == Bitrate.COPY)
+            videoCodec = "copy";
+
+        if (options.getAudioBitrate() == Bitrate.COPY)
+            audioCodec = "copy";
+
+        if (options.getAudioBitrate() == Bitrate.NONE)
+            audioCodec = null;
+
+        if (options.isForPortablePlayer()) {
+            videoBitrate = 1000;
+            audioBitrate = 128;
+            videoCodec = "libxvid";
 
-		int videoBitrate;
-		int audioBitrate;
+            // reduce resolution
+            codecParams.append("-s 640x480 ");
 
-		switch (options.videoBitrate) {
-		case LOW:
-			videoBitrate = 1000;
-			audioBitrate = 128;
-			break;
+            // enforce maximum keyframe interval
+            codecParams.append("-g 150 ");
+        }
 
-		case MEDIUM:
-			videoBitrate = 3500;
-			audioBitrate = 128;
-			break;
+        codecParams.append(constructCodecParamsString(options, videoBitrate,
+                audioBitrate, videoCodec, audioCodec));
 
-		case HIGH:
-			videoBitrate = 40000;
-			audioBitrate = 500;
-			break;
+        return "avconv -i \"" + inputFile.getAbsolutePath() + "\" "
+                + codecParams.toString() + "\"" + targetFile.getAbsolutePath()
+                + "\"";
+    }
 
-		default:
-			throw new RuntimeException("Video bitrate: " + options.videoBitrate
-					+ " is not supported.");
-		}
+    @Override
+    public List<String> getSourceFileExtensions() {
+        return getSupportedExtensions();
+    }
 
-		// convert
-		final StringBuffer codecParams = new StringBuffer();
+    private List<String> getSupportedExtensions() {
+        return toList("mkv", "mts", "mp4", "avi", "mpg", "mpeg", "vob", "m4v",
+                "webm", "mov", "asf");
+    }
 
-		codecParams.append("-acodec libmp3lame -vcodec libx264");
+    @Override
+    public List<String> getTargetFileExtensions() {
+        return getSupportedExtensions();
+    }
 
-		codecParams.append(" -b " + videoBitrate + "k");
-		codecParams.append(" -b:a " + audioBitrate + "k");
+    private int getVideoBitrateValue(final Bitrate bitRate) {
+        switch (bitRate) {
+            case LOW:
+                return 1000;
 
-		if (options.deinterlace)
-			codecParams.append(" -filter:v yadif");
+            case MEDIUM:
+                return 4000;
 
-		return "avconv -i \"" + inputFile.getAbsolutePath() + "\" "
-				+ codecParams.toString() + " \"" + targetFile.getAbsolutePath()
-				+ "\"";
-	}
+            case HIGH:
+                return 16000;
 
-	@Override
-	public List<String> getSourceFileExtensions() {
-		return toList("mkv", "mts");
-	}
+            case COPY:
+                return -1;
 
-	@Override
-	public List<String> getTargetFileExtensions() {
-		return toList("mp4");
-	}
+            default:
+                throw new RuntimeException("Video bitrate: " + bitRate
+                        + " is not supported.");
+        }
+    }
 
-	@Override
-	public boolean isTerminalMandatory() {
-		return true;
-	}
+    @Override
+    public boolean isTerminalMandatory() {
+        return true;
+    }
 
 }