X-Git-Url: http://www2.svjatoslav.eu/gitweb/?a=blobdiff_plain;f=src%2Fmain%2Fjava%2Feu%2Fsvjatoslav%2Fmeviz%2Fencoder%2Fconverters%2FAvconvVideo.java;h=85394526592d36a3f952e90b625ec84beeded315;hb=0902c92586c99f2d049a35063ed046f72fed462c;hp=425b4a0092e9fc3a7907b36ce3a48267366e35b4;hpb=71dcb663dd75ec91d305ed6543c6dd3ea0d85ce3;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 425b4a0..8539452 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. @@ -9,79 +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) { - - int videoBitrate; - int audioBitrate; - - switch (options.videoBitrate) { - case LOW: - videoBitrate = 1000; - audioBitrate = 128; - break; - - case MEDIUM: - videoBitrate = 3500; - audioBitrate = 128; - break; - - case HIGH: - videoBitrate = 40000; - audioBitrate = 500; - break; - - default: - throw new RuntimeException("Video bitrate: " + options.videoBitrate - + " is not supported."); - } - - // convert - final StringBuffer codecParams = new StringBuffer(); - - String videoCodec = "libx264 "; - - if (options.forPortablePlayer) { - videoBitrate = 1000; - audioBitrate = 128; - videoCodec = "libxvid "; - codecParams.append("-s 640x480 "); - } - - codecParams.append("-acodec libmp3lame -vcodec " + videoCodec); - - 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 List getSourceFileExtensions() { - return toList("mkv", "mts", "mp4", "avi", "mpg", "mpeg"); - } - - @Override - public List getTargetFileExtensions() { - return toList("mkv", "mts", "mp4", "avi", "mpg", "mpeg"); - } - - @Override - public boolean isTerminalMandatory() { - return true; - } + 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"; + + // reduce resolution + codecParams.append("-s 640x480 "); + + // enforce maximum keyframe interval + codecParams.append("-g 150 "); + } + + codecParams.append(constructCodecParamsString(options, videoBitrate, + audioBitrate, videoCodec, audioCodec)); + + return "avconv -i \"" + inputFile.getAbsolutePath() + "\" " + + codecParams.toString() + "\"" + targetFile.getAbsolutePath() + + "\""; + } + + @Override + public List getSourceFileExtensions() { + return getSupportedExtensions(); + } + + private List getSupportedExtensions() { + return toList("mkv", "mts", "mp4", "avi", "mpg", "mpeg", "vob", "m4v", + "webm", "mov", "asf", "3gp"); + } + + @Override + public List getTargetFileExtensions() { + return getSupportedExtensions(); + } + + private int getVideoBitrateValue(final Bitrate bitRate) { + switch (bitRate) { + case LOW: + return 1000; + + case MEDIUM: + return 4000; + + case HIGH: + return 16000; + + case COPY: + return -1; + + default: + throw new RuntimeException("Video bitrate: " + bitRate + + " is not supported."); + } + } + + @Override + public boolean isTerminalMandatory() { + return true; + } }