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Diffstat (limited to 'subsonic-main/src/main/java/net/sourceforge/subsonic/service/metadata/FFmpegParser.java')
| -rw-r--r-- | subsonic-main/src/main/java/net/sourceforge/subsonic/service/metadata/FFmpegParser.java | 170 |
1 files changed, 0 insertions, 170 deletions
diff --git a/subsonic-main/src/main/java/net/sourceforge/subsonic/service/metadata/FFmpegParser.java b/subsonic-main/src/main/java/net/sourceforge/subsonic/service/metadata/FFmpegParser.java deleted file mode 100644 index 60ae1750..00000000 --- a/subsonic-main/src/main/java/net/sourceforge/subsonic/service/metadata/FFmpegParser.java +++ /dev/null @@ -1,170 +0,0 @@ -/* - This file is part of Subsonic. - - Subsonic 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. - - Subsonic 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 Subsonic. If not, see <http://www.gnu.org/licenses/>. - - Copyright 2009 (C) Sindre Mehus - */ -package net.sourceforge.subsonic.service.metadata; - -import net.sourceforge.subsonic.Logger; -import net.sourceforge.subsonic.domain.MediaFile; -import net.sourceforge.subsonic.io.InputStreamReaderThread; -import net.sourceforge.subsonic.service.ServiceLocator; -import net.sourceforge.subsonic.service.TranscodingService; -import net.sourceforge.subsonic.util.StringUtil; -import org.apache.commons.io.FilenameUtils; - -import java.io.File; -import java.io.InputStream; -import java.util.regex.Matcher; -import java.util.regex.Pattern; - -/** - * Parses meta data from video files using FFmpeg (http://ffmpeg.org/). - * <p/> - * Currently duration, bitrate and dimension are supported. - * - * @author Sindre Mehus - */ -public class FFmpegParser extends MetaDataParser { - - private static final Logger LOG = Logger.getLogger(FFmpegParser.class); - private static final Pattern DURATION_PATTERN = Pattern.compile("Duration: (\\d+):(\\d+):(\\d+).(\\d+)"); - private static final Pattern BITRATE_PATTERN = Pattern.compile("bitrate: (\\d+) kb/s"); - private static final Pattern DIMENSION_PATTERN = Pattern.compile("Video.*?, (\\d+)x(\\d+)"); - private static final Pattern PAR_PATTERN = Pattern.compile("PAR (\\d+):(\\d+)"); - - private TranscodingService transcodingService; - - /** - * Parses meta data for the given music file. No guessing or reformatting is done. - * - * - * @param file The music file to parse. - * @return Meta data for the file. - */ - @Override - public MetaData getRawMetaData(File file) { - - MetaData metaData = new MetaData(); - - try { - - File ffmpeg = new File(transcodingService.getTranscodeDirectory(), "ffmpeg"); - - String[] command = new String[]{ffmpeg.getAbsolutePath(), "-i", file.getAbsolutePath()}; - Process process = Runtime.getRuntime().exec(command); - InputStream stdout = process.getInputStream(); - InputStream stderr = process.getErrorStream(); - - // Consume stdout, we're not interested in that. - new InputStreamReaderThread(stdout, "ffmpeg", true).start(); - - // Read everything from stderr. It will contain text similar to: - // Input #0, avi, from 'foo.avi': - // Duration: 00:00:33.90, start: 0.000000, bitrate: 2225 kb/s - // Stream #0.0: Video: mpeg4, yuv420p, 352x240 [PAR 1:1 DAR 22:15], 29.97 fps, 29.97 tbr, 29.97 tbn, 30k tbc - // Stream #0.1: Audio: pcm_s16le, 44100 Hz, 2 channels, s16, 1411 kb/s - String[] lines = StringUtil.readLines(stderr); - - Integer width = null; - Integer height = null; - Double par = 1.0; - for (String line : lines) { - - Matcher matcher = DURATION_PATTERN.matcher(line); - if (matcher.find()) { - int hours = Integer.parseInt(matcher.group(1)); - int minutes = Integer.parseInt(matcher.group(2)); - int seconds = Integer.parseInt(matcher.group(3)); - metaData.setDurationSeconds(hours * 3600 + minutes * 60 + seconds); - } - - matcher = BITRATE_PATTERN.matcher(line); - if (matcher.find()) { - metaData.setBitRate(Integer.valueOf(matcher.group(1))); - } - - matcher = DIMENSION_PATTERN.matcher(line); - if (matcher.find()) { - width = Integer.valueOf(matcher.group(1)); - height = Integer.valueOf(matcher.group(2)); - } - - // PAR = Pixel Aspect Rate - matcher = PAR_PATTERN.matcher(line); - if (matcher.find()) { - int a = Integer.parseInt(matcher.group(1)); - int b = Integer.parseInt(matcher.group(2)); - if (a > 0 && b > 0) { - par = (double) a / (double) b; - } - } - } - - if (width != null && height != null) { - width = (int) Math.round(width.doubleValue() * par); - metaData.setWidth(width); - metaData.setHeight(height); - } - - - } catch (Throwable x) { - LOG.warn("Error when parsing metadata in " + file, x); - } - - return metaData; - } - - /** - * Not supported. - */ - @Override - public void setMetaData(MediaFile file, MetaData metaData) { - throw new RuntimeException("setMetaData() not supported in " + getClass().getSimpleName()); - } - - /** - * Returns whether this parser supports tag editing (using the {@link #setMetaData} method). - * - * @return Always false. - */ - @Override - public boolean isEditingSupported() { - return false; - } - - /** - * Returns whether this parser is applicable to the given file. - * - * @param file The file in question. - * @return Whether this parser is applicable to the given file. - */ - @Override - public boolean isApplicable(File file) { - String format = FilenameUtils.getExtension(file.getName()).toLowerCase(); - - for (String s : ServiceLocator.getSettingsService().getVideoFileTypesAsArray()) { - if (format.equals(s)) { - return true; - } - } - return false; - } - - public void setTranscodingService(TranscodingService transcodingService) { - this.transcodingService = transcodingService; - } -}
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