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/**
* 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+")]";
}
}
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