package org.mp4parser.boxes.dolby;
import org.mp4parser.boxes.iso14496.part1.objectdescriptors.BitReaderBuffer;
import org.mp4parser.boxes.iso14496.part1.objectdescriptors.BitWriterBuffer;
import org.mp4parser.support.AbstractBox;
import org.mp4parser.support.DoNotParseDetail;
import org.mp4parser.tools.IsoTypeReader;
import org.mp4parser.tools.IsoTypeWriter;
import java.nio.ByteBuffer;
/**
* <h1>4cc = "{@value #TYPE}"</h1>
*/
public class DTSSpecificBox extends AbstractBox {
public static final String TYPE = "ddts";
long DTSSamplingFrequency;
long maxBitRate;
long avgBitRate;
int pcmSampleDepth;
int frameDuration;
int streamConstruction;
int coreLFEPresent;
int coreLayout;
int coreSize;
int stereoDownmix;
int representationType;
int channelLayout;
int multiAssetFlag;
int LBRDurationMod;
int reservedBoxPresent;
int reserved;
public DTSSpecificBox() {
super(TYPE);
}
@Override
protected long getContentSize() {
return 20;
}
@Override
public void _parseDetails(ByteBuffer content) {
DTSSamplingFrequency = IsoTypeReader.readUInt32(content);
maxBitRate = IsoTypeReader.readUInt32(content);
avgBitRate = IsoTypeReader.readUInt32(content);
pcmSampleDepth = IsoTypeReader.readUInt8(content);
BitReaderBuffer brb = new BitReaderBuffer(content);
frameDuration = brb.readBits(2);
streamConstruction = brb.readBits(5);
coreLFEPresent = brb.readBits(1);
coreLayout = brb.readBits(6);
coreSize = brb.readBits(14);
stereoDownmix = brb.readBits(1);
representationType = brb.readBits(3);
channelLayout = brb.readBits(16);
multiAssetFlag = brb.readBits(1);
LBRDurationMod = brb.readBits(1);
reservedBoxPresent = brb.readBits(1);
reserved = brb.readBits(5);
}
@Override
protected void getContent(ByteBuffer byteBuffer) {
IsoTypeWriter.writeUInt32(byteBuffer, DTSSamplingFrequency);
IsoTypeWriter.writeUInt32(byteBuffer, maxBitRate);
IsoTypeWriter.writeUInt32(byteBuffer, avgBitRate);
IsoTypeWriter.writeUInt8(byteBuffer, pcmSampleDepth);
BitWriterBuffer bwb = new BitWriterBuffer(byteBuffer);
bwb.writeBits(frameDuration, 2);
bwb.writeBits(streamConstruction, 5);
bwb.writeBits(coreLFEPresent, 1);
bwb.writeBits(coreLayout, 6);
bwb.writeBits(coreSize, 14);
bwb.writeBits(stereoDownmix, 1);
bwb.writeBits(representationType, 3);
bwb.writeBits(channelLayout, 16);
bwb.writeBits(multiAssetFlag, 1);
bwb.writeBits(LBRDurationMod, 1);
bwb.writeBits(reservedBoxPresent, 1);
bwb.writeBits(reserved, 5);
}
public long getAvgBitRate() {
return avgBitRate;
}
public void setAvgBitRate(long avgBitRate) {
this.avgBitRate = avgBitRate;
}
public long getDTSSamplingFrequency() {
return DTSSamplingFrequency;
}
public void setDTSSamplingFrequency(long DTSSamplingFrequency) {
this.DTSSamplingFrequency = DTSSamplingFrequency;
}
public long getMaxBitRate() {
return maxBitRate;
}
public void setMaxBitRate(long maxBitRate) {
this.maxBitRate = maxBitRate;
}
public int getPcmSampleDepth() {
return pcmSampleDepth;
}
public void setPcmSampleDepth(int pcmSampleDepth) {
this.pcmSampleDepth = pcmSampleDepth;
}
public int getFrameDuration() {
return frameDuration;
}
public void setFrameDuration(int frameDuration) {
this.frameDuration = frameDuration;
}
public int getStreamConstruction() {
return streamConstruction;
}
public void setStreamConstruction(int streamConstruction) {
this.streamConstruction = streamConstruction;
}
public int getCoreLFEPresent() {
return coreLFEPresent;
}
public void setCoreLFEPresent(int coreLFEPresent) {
this.coreLFEPresent = coreLFEPresent;
}
public int getCoreLayout() {
return coreLayout;
}
public void setCoreLayout(int coreLayout) {
this.coreLayout = coreLayout;
}
public int getCoreSize() {
return coreSize;
}
public void setCoreSize(int coreSize) {
this.coreSize = coreSize;
}
public int getStereoDownmix() {
return stereoDownmix;
}
public void setStereoDownmix(int stereoDownmix) {
this.stereoDownmix = stereoDownmix;
}
public int getRepresentationType() {
return representationType;
}
public void setRepresentationType(int representationType) {
this.representationType = representationType;
}
public int getChannelLayout() {
return channelLayout;
}
public void setChannelLayout(int channelLayout) {
this.channelLayout = channelLayout;
}
public int getMultiAssetFlag() {
return multiAssetFlag;
}
public void setMultiAssetFlag(int multiAssetFlag) {
this.multiAssetFlag = multiAssetFlag;
}
public int getLBRDurationMod() {
return LBRDurationMod;
}
public void setLBRDurationMod(int LBRDurationMod) {
this.LBRDurationMod = LBRDurationMod;
}
public int getReserved() {
return reserved;
}
public void setReserved(int reserved) {
this.reserved = reserved;
}
public int getReservedBoxPresent() {
return reservedBoxPresent;
}
public void setReservedBoxPresent(int reservedBoxPresent) {
this.reservedBoxPresent = reservedBoxPresent;
}
@DoNotParseDetail
public int[] getDashAudioChannelConfiguration() {
final int channelLayout = this.getChannelLayout();
int numChannels = 0;
int dwChannelMask = 0;
if ((channelLayout & 0x0001) == 0x0001) {
//0001h Center in front of listener 1
numChannels += 1;
dwChannelMask |= 0x00000004; //SPEAKER_FRONT_CENTER
}
if ((channelLayout & 0x0002) == 0x0002) {
//0002h Left/Right in front 2
numChannels += 2;
dwChannelMask |= 0x00000001; //SPEAKER_FRONT_LEFT
dwChannelMask |= 0x00000002; //SPEAKER_FRONT_RIGHT
}
if ((channelLayout & 0x0004) == 0x0004) {
//0004h Left/Right surround on side in rear 2
numChannels += 2;
//* if Lss, Rss exist, then this position is equivalent to Lsr, Rsr respectively
dwChannelMask |= 0x00000010; //SPEAKER_BACK_LEFT
dwChannelMask |= 0x00000020; //SPEAKER_BACK_RIGHT
}
if ((channelLayout & 0x0008) == 0x0008) {
//0008h Low frequency effects subwoofer 1
numChannels += 1;
dwChannelMask |= 0x00000008; //SPEAKER_LOW_FREQUENCY
}
if ((channelLayout & 0x0010) == 0x0010) {
//0010h Center surround in rear 1
numChannels += 1;
dwChannelMask |= 0x00000100; //SPEAKER_BACK_CENTER
}
if ((channelLayout & 0x0020) == 0x0020) {
//0020h Left/Right height in front 2
numChannels += 2;
dwChannelMask |= 0x00001000; //SPEAKER_TOP_FRONT_LEFT
dwChannelMask |= 0x00004000; //SPEAKER_TOP_FRONT_RIGHT
}
if ((channelLayout & 0x0040) == 0x0040) {
//0040h Left/Right surround in rear 2
numChannels += 2;
dwChannelMask |= 0x00000010; //SPEAKER_BACK_LEFT
dwChannelMask |= 0x00000020; //SPEAKER_BACK_RIGHT
}
if ((channelLayout & 0x0080) == 0x0080) {
//0080h Center Height in front 1
numChannels += 1;
dwChannelMask |= 0x00002000; //SPEAKER_TOP_FRONT_CENTER
}
if ((channelLayout & 0x0100) == 0x0100) {
//0100h Over the listener’s head 1
numChannels += 1;
dwChannelMask |= 0x00000800; //SPEAKER_TOP_CENTER
}
if ((channelLayout & 0x0200) == 0x0200) {
//0200h Between left/right and center in front 2
numChannels += 2;
dwChannelMask |= 0x00000040; //SPEAKER_FRONT_LEFT_OF_CENTER
dwChannelMask |= 0x00000080; //SPEAKER_FRONT_RIGHT_OF_CENTER
}
if ((channelLayout & 0x0400) == 0x0400) {
//0400h Left/Right on side in front 2
numChannels += 2;
dwChannelMask |= 0x00000200; //SPEAKER_SIDE_LEFT
dwChannelMask |= 0x00000400; //SPEAKER_SIDE_RIGHT
}
if ((channelLayout & 0x0800) == 0x0800) {
//0800h Left/Right surround on side 2
numChannels += 2;
//* if Lss, Rss exist, then this position is equivalent to Lsr, Rsr respectively
dwChannelMask |= 0x00000010; //SPEAKER_BACK_LEFT
dwChannelMask |= 0x00000020; //SPEAKER_BACK_RIGHT
}
if ((channelLayout & 0x1000) == 0x1000) {
//1000h Second low frequency effects subwoofer 1
numChannels += 1;
dwChannelMask |= 0x00000008; //SPEAKER_LOW_FREQUENCY
}
if ((channelLayout & 0x2000) == 0x2000) {
//2000h Left/Right height on side 2
numChannels += 2;
dwChannelMask |= 0x00000010; //SPEAKER_BACK_LEFT
dwChannelMask |= 0x00000020; //SPEAKER_BACK_RIGHT
}
if ((channelLayout & 0x4000) == 0x4000) {
//4000h Center height in rear 1
numChannels += 1;
dwChannelMask |= 0x00010000; //SPEAKER_TOP_BACK_CENTER
}
if ((channelLayout & 0x8000) == 0x8000) {
//8000h Left/Right height in rear 2
numChannels += 2;
dwChannelMask |= 0x00008000; //SPEAKER_TOP_BACK_LEFT
dwChannelMask |= 0x00020000; //SPEAKER_TOP_BACK_RIGHT
}
if ((channelLayout & 0x10000) == 0x10000) {
//10000h Center below in front
numChannels += 1;
}
if ((channelLayout & 0x20000) == 0x20000) {
//20000h Left/Right below in front
numChannels += 2;
}
return new int[]{numChannels, dwChannelMask};
}
}