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Diffstat (limited to 'src/jogl/classes/com/jogamp/opengl/util/av/SubTextEventLine.java')
| -rw-r--r-- | src/jogl/classes/com/jogamp/opengl/util/av/SubTextEventLine.java | 142 |
1 files changed, 142 insertions, 0 deletions
diff --git a/src/jogl/classes/com/jogamp/opengl/util/av/SubTextEventLine.java b/src/jogl/classes/com/jogamp/opengl/util/av/SubTextEventLine.java new file mode 100644 index 000000000..c867dea9c --- /dev/null +++ b/src/jogl/classes/com/jogamp/opengl/util/av/SubTextEventLine.java @@ -0,0 +1,142 @@ +/** + * Copyright 2024 JogAmp Community. All rights reserved. + * + * Redistribution and use in source and binary forms, with or without modification, are + * permitted provided that the following conditions are met: + * + * 1. Redistributions of source code must retain the above copyright notice, this list of + * conditions and the following disclaimer. + * + * 2. Redistributions in binary form must reproduce the above copyright notice, this list + * of conditions and the following disclaimer in the documentation and/or other materials + * provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY JogAmp Community ``AS IS'' AND ANY EXPRESS OR IMPLIED + * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND + * FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL JogAmp Community OR + * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR + * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON + * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING + * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF + * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + * + * The views and conclusions contained in the software and documentation are those of the + * authors and should not be interpreted as representing official policies, either expressed + * or implied, of JogAmp Community. + */ +package com.jogamp.opengl.util.av; + +/** + * Text Event Line including ASS/SAA of {@link SubtitleEvent} + * <p> + * See http://www.tcax.org/docs/ass-specs.htm + * </p> + */ +public class SubTextEventLine extends SubtitleEvent { + public enum Format { + /** Denoting {@link SubASSEventLine} using FFMpeg output w/o start, end: + * <pre> + 0 1 2 3 4 5 6 7 8 + Seq, Layer, Style, Name, MarginL, MarginR, MarginV, Effect, TEXT + * </pre> + */ + ASS_FFMPEG, + /** Denoting {@link SubASSEventLine}, just the plain text part */ + TEXT, + }; + /** {@link Format} of this text subtitle event. */ + public final Format format; + public final int seqnr; + public final int layer; + public final String style; + public final String name; + /** Actual subtitle text */ + public final String text; + /** Number of lines of {@link #text}, i.e. occurrence of {@code \n} + 1. */ + public final int lines; + + /** + * ASS/SAA Event Line ctor + * @param codec the {@link CodecID} + * @param fmt input format of {@code ass}, currently only {@link SubTextEventLine.Format#ASS_FFMPEG} and {@link SubTextEventLine.Format#TEXT} is supported + * @param ass ASS/SAA compatible event line according to {@code fmt} + * @param pts_start pts start in ms, provided for {@link SubTextEventLine.Format#ASS_FFMPEG} and {@link SubTextEventLine.Format#TEXT} + * @param pts_end pts end in ms, provided for {@link SubTextEventLine.Format#ASS_FFMPEG} and {@link SubTextEventLine.Format#TEXT} + */ + public SubTextEventLine(final CodecID codec, final Format fmt, final String ass, final int pts_start, final int pts_end) { + super(codec, pts_start, pts_end); + this.format = fmt; + int seqnr = 0; + int layer = 0; + String style = "Default"; + String name = ""; + String text = ""; + if( Format.ASS_FFMPEG == fmt ) { + final int len = null != ass ? ass.length() : 0; + int part = 0; + for(int i=0; 9 > part && len > i; ) { + if( 8 == part ) { + text = ass.substring(i); + } else { + final int j = ass.indexOf(',', i); + if( 0 > j ) { + break; + } + final String v = ass.substring(i, j); + switch(part) { + case 0: + seqnr = Integer.valueOf(v); + break; + case 1: + layer = Integer.valueOf(v); + break; + case 2: + style = v; + break; + case 3: + name = v; + break; + } + i = j + 1; + } + ++part; + } + } else if( Format.TEXT == fmt ) { + text = ass; + } + this.seqnr = seqnr; + this.layer = layer; + this.style = style; + this.name = name; + this.text = text.replace("\\N", "\n"); + { + final int len = this.text.length(); + int lc = 1; + for(int i=0; len > i; ) { + final int j = this.text.indexOf("\n", i); + if( 0 > j ) { + break; + } + ++lc; + i = j + 1; + } + this.lines = lc; + } + } + + @Override + public final boolean isTextASS() { return true; } + @Override + public final boolean isBitmap() { return false; } + @Override + public final boolean isEmpty() { return false; } + + @Override + public void release() {} // nothing to be released back to the owner + + @Override + public String toString() { + return getStartString()+", "+format+", #"+seqnr+", l_"+layer+", style "+style+", name '"+name+"': '"+text+"' ("+lines+")]"; + } +} |