/*
* Copyright (C) 2010-2016 JPEXS, All rights reserved.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 3.0 of the License, or (at your option) any later version.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library.
*/
package com.jpexs.decompiler.flash.tags;
import com.jpexs.decompiler.flash.SWF;
import com.jpexs.decompiler.flash.SWFInputStream;
import com.jpexs.decompiler.flash.SWFOutputStream;
import com.jpexs.decompiler.flash.tags.base.SoundStreamHeadTypeTag;
import com.jpexs.decompiler.flash.timeline.Timeline;
import com.jpexs.decompiler.flash.types.BasicType;
import com.jpexs.decompiler.flash.types.annotations.Conditional;
import com.jpexs.decompiler.flash.types.annotations.EnumValue;
import com.jpexs.decompiler.flash.types.annotations.Internal;
import com.jpexs.decompiler.flash.types.annotations.Reserved;
import com.jpexs.decompiler.flash.types.annotations.SWFType;
import com.jpexs.decompiler.flash.types.annotations.SWFVersion;
import com.jpexs.decompiler.flash.types.sound.SoundExportFormat;
import com.jpexs.decompiler.flash.types.sound.SoundFormat;
import com.jpexs.helpers.ByteArrayRange;
import java.io.IOException;
import java.io.InputStream;
import java.util.ArrayList;
import java.util.List;
/**
*
* @author JPEXS
*/
@SWFVersion(from = 1)
public class SoundStreamHeadTag extends Tag implements SoundStreamHeadTypeTag {
public static final int ID = 18;
public static final String NAME = "SoundStreamHead";
@Reserved
@SWFType(value = BasicType.UB, count = 4)
public int reserved;
@SWFType(value = BasicType.UB, count = 2)
@EnumValue(value = 0, text = "5.5 kHz")
@EnumValue(value = 1, text = "11 kHz")
@EnumValue(value = 2, text = "22 kHz")
@EnumValue(value = 3, text = "44 kHz")
public int playBackSoundRate;
public boolean playBackSoundSize;
public boolean playBackSoundType;
@SWFType(value = BasicType.UB, count = 4)
@EnumValue(value = SoundFormat.FORMAT_ADPCM, text = "ADPCM")
@EnumValue(value = SoundFormat.FORMAT_MP3, text = "MP3", minSwfVersion = 4)
public int streamSoundCompression;
@SWFType(value = BasicType.UB, count = 2)
@EnumValue(value = 0, text = "5.5 kHz")
@EnumValue(value = 1, text = "11 kHz")
@EnumValue(value = 2, text = "22 kHz")
@EnumValue(value = 3, text = "44 kHz")
public int streamSoundRate;
public boolean streamSoundSize;
public boolean streamSoundType;
@SWFType(value = BasicType.UI16)
public int streamSoundSampleCount;
@Conditional(value = "streamSoundCompression", options = {2})
public int latencySeek;
@Internal
private int virtualCharacterId = 0;
/**
* Constructor
*
* @param swf
*/
public SoundStreamHeadTag(SWF swf) {
super(swf, ID, NAME, null);
}
/**
* Constructor
*
* @param sis
* @param data
* @throws IOException
*/
public SoundStreamHeadTag(SWFInputStream sis, ByteArrayRange data) throws IOException {
super(sis.getSwf(), ID, NAME, data);
readData(sis, data, 0, false, false, false);
}
@Override
public final void readData(SWFInputStream sis, ByteArrayRange data, int level, boolean parallel, boolean skipUnusualTags, boolean lazy) throws IOException {
reserved = (int) sis.readUB(4, "reserved");
playBackSoundRate = (int) sis.readUB(2, "playBackSoundRate");
playBackSoundSize = sis.readUB(1, "playBackSoundSize") == 1;
playBackSoundType = sis.readUB(1, "playBackSoundType") == 1;
streamSoundCompression = (int) sis.readUB(4, "streamSoundCompression");
streamSoundRate = (int) sis.readUB(2, "streamSoundRate");
streamSoundSize = sis.readUB(1, "streamSoundSize") == 1;
streamSoundType = sis.readUB(1, "streamSoundType") == 1;
streamSoundSampleCount = sis.readUI16("streamSoundSampleCount");
if (streamSoundCompression == 2) {
latencySeek = sis.readSI16("latencySeek");
}
}
/**
* Gets data bytes
*
* @param sos SWF output stream
* @throws java.io.IOException
*/
@Override
public void getData(SWFOutputStream sos) throws IOException {
sos.writeUB(4, reserved);
sos.writeUB(2, playBackSoundRate);
sos.writeUB(1, playBackSoundSize ? 1 : 0);
sos.writeUB(1, playBackSoundType ? 1 : 0);
sos.writeUB(4, streamSoundCompression);
sos.writeUB(2, streamSoundRate);
sos.writeUB(1, streamSoundSize ? 1 : 0);
sos.writeUB(1, streamSoundType ? 1 : 0);
sos.writeUI16(streamSoundSampleCount);
if (streamSoundCompression == 2) {
sos.writeSI16(latencySeek);
}
}
@Override
public SoundExportFormat getExportFormat() {
if (streamSoundCompression == SoundFormat.FORMAT_MP3) {
return SoundExportFormat.MP3;
}
if (streamSoundCompression == SoundFormat.FORMAT_ADPCM) {
return SoundExportFormat.WAV;
}
if (streamSoundCompression == SoundFormat.FORMAT_UNCOMPRESSED_LITTLE_ENDIAN) {
return SoundExportFormat.WAV;
}
if (streamSoundCompression == SoundFormat.FORMAT_UNCOMPRESSED_NATIVE_ENDIAN) {
return SoundExportFormat.WAV;
}
if (streamSoundCompression == SoundFormat.FORMAT_NELLYMOSER || streamSoundCompression == SoundFormat.FORMAT_NELLYMOSER16KHZ || streamSoundCompression == SoundFormat.FORMAT_NELLYMOSER8KHZ) {
return SoundExportFormat.WAV;
}
return SoundExportFormat.FLV;
}
@Override
public int getCharacterId() {
return virtualCharacterId;
}
@Override
public void setCharacterId(int characterId) {
virtualCharacterId = characterId;
}
@Override
public void setVirtualCharacterId(int ch) {
virtualCharacterId = ch;
}
@Override
public long getSoundSampleCount() {
return streamSoundSampleCount;
}
@Override
public int getSoundFormatId() {
return streamSoundCompression;
}
@Override
public int getSoundRate() {
return streamSoundRate;
}
@Override
public boolean getSoundSize() {
return streamSoundSize;
}
@Override
public boolean getSoundType() {
return streamSoundType;
}
@Override
public List<SoundStreamBlockTag> getBlocks() {
Timeline timeline = swf.getTimeline();
List<SoundStreamBlockTag> ret = timeline.getSoundStreamBlocks(this);
return ret;
}
@Override
public boolean importSupported() {
return false;
}
@Override
public boolean setSound(InputStream is, int newSoundFormat) {
return false;
}
@Override
public List<ByteArrayRange> getRawSoundData() {
List<ByteArrayRange> ret = new ArrayList<>();
List<SoundStreamBlockTag> blocks = getBlocks();
if (blocks != null) {
for (SoundStreamBlockTag block : blocks) {
ByteArrayRange data = block.streamSoundData;
if (streamSoundCompression == SoundFormat.FORMAT_MP3) {
ret.add(data.getSubRange(4, data.getLength() - 4));
} else {
ret.add(data);
}
}
}
return ret;
}
@Override
public long getTotalSoundSampleCount() {
return getBlocks().size() * streamSoundSampleCount;
}
@Override
public SoundFormat getSoundFormat() {
final int[] rateMap = {5512, 11025, 22050, 44100};
return new SoundFormat(getSoundFormatId(), rateMap[getSoundRate()], getSoundType());
}
@Override
public String getCharacterExportFileName() {
String exportName = swf.getExportName(getCharacterId());
return getCharacterId() + (exportName != null ? "_" + exportName : "");
}
@Override
public void getTagInfo(TagInfo tagInfo) {
super.getTagInfo(tagInfo);
SoundFormat soundFormat = getSoundFormat();
tagInfo.addInfo("general", "codecName", soundFormat.getFormatName());
tagInfo.addInfo("general", "exportFormat", soundFormat.getNativeExportFormat());
tagInfo.addInfo("general", "samplingRate", soundFormat.samplingRate);
tagInfo.addInfo("general", "stereo", soundFormat.stereo);
tagInfo.addInfo("general", "sampleCount", streamSoundSampleCount);
}
}