From: David ‘Bombe’ Roden Date: Fri, 15 Mar 2013 22:49:59 +0000 (+0100) Subject: Add external MP3 decoder. X-Git-Url: https://git.pterodactylus.net/?a=commitdiff_plain;h=3e7a3956733424c04aaa11de1dfb26719eecb26e;p=sonitus.git Add external MP3 decoder. --- diff --git a/src/main/java/net/pterodactylus/sonitus/data/filter/ExternalMp3Decoder.java b/src/main/java/net/pterodactylus/sonitus/data/filter/ExternalMp3Decoder.java new file mode 100644 index 0000000..ecdee68 --- /dev/null +++ b/src/main/java/net/pterodactylus/sonitus/data/filter/ExternalMp3Decoder.java @@ -0,0 +1,59 @@ +/* + * Sonitus - ExternalMp3Decoder.java - Copyright © 2013 David Roden + * + * This program is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation, either version 3 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program. If not, see . + */ + +package net.pterodactylus.sonitus.data.filter; + +import static com.google.common.base.Preconditions.*; + +import net.pterodactylus.sonitus.data.ConnectException; +import net.pterodactylus.sonitus.data.Format; +import net.pterodactylus.sonitus.data.Source; + +/** + * Basic {@link ExternalFilter} implementation that verifies that the connected + * source is MP3-encoded and returns a PCM-encoded stream. + * + * @author David ‘Bombe’ Roden + */ +public class ExternalMp3Decoder extends ExternalFilter { + + /** + * Creates a new external MP3 decoder. + * + * @param binary + * The binary to execute + * @param parameters + * The parameters for the binary + */ + public ExternalMp3Decoder(String binary, Iterable parameters) { + super(binary, parameters); + } + + @Override + public Format format() { + return super.format().encoding("PCM"); + } + + @Override + public void connect(Source source) throws ConnectException { + checkNotNull(source, "source must not be null"); + checkState(source.format().encoding().equalsIgnoreCase("MP3"), "source must be MP3-encoded"); + + super.connect(source); + } + +}