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diff --git a/isoparser/src/main/java/com/googlecode/mp4parser/authoring/adaptivestreaming/.svn/text-base/FlatManifestWriterImpl.java.svn-base b/isoparser/src/main/java/com/googlecode/mp4parser/authoring/adaptivestreaming/.svn/text-base/FlatManifestWriterImpl.java.svn-base
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--- a/isoparser/src/main/java/com/googlecode/mp4parser/authoring/adaptivestreaming/.svn/text-base/FlatManifestWriterImpl.java.svn-base
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@@ -1,643 +0,0 @@
-/*
- * Copyright 2012 Sebastian Annies, Hamburg
- *
- * Licensed under the Apache License, Version 2.0 (the License);
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an AS IS BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-package com.googlecode.mp4parser.authoring.adaptivestreaming;
-
-import com.coremedia.iso.Hex;
-import com.coremedia.iso.boxes.SampleDescriptionBox;
-import com.coremedia.iso.boxes.SoundMediaHeaderBox;
-import com.coremedia.iso.boxes.VideoMediaHeaderBox;
-import com.coremedia.iso.boxes.h264.AvcConfigurationBox;
-import com.coremedia.iso.boxes.sampleentry.AudioSampleEntry;
-import com.coremedia.iso.boxes.sampleentry.VisualSampleEntry;
-import com.googlecode.mp4parser.Version;
-import com.googlecode.mp4parser.authoring.Movie;
-import com.googlecode.mp4parser.authoring.Track;
-import com.googlecode.mp4parser.authoring.builder.FragmentIntersectionFinder;
-import com.googlecode.mp4parser.boxes.DTSSpecificBox;
-import com.googlecode.mp4parser.boxes.EC3SpecificBox;
-import com.googlecode.mp4parser.boxes.mp4.ESDescriptorBox;
-import com.googlecode.mp4parser.boxes.mp4.objectdescriptors.AudioSpecificConfig;
-import org.w3c.dom.Document;
-import org.w3c.dom.Element;
-
-import javax.xml.parsers.DocumentBuilder;
-import javax.xml.parsers.DocumentBuilderFactory;
-import javax.xml.parsers.ParserConfigurationException;
-import javax.xml.transform.*;
-import javax.xml.transform.dom.DOMSource;
-import javax.xml.transform.stream.StreamResult;
-import java.io.ByteArrayOutputStream;
-import java.io.IOException;
-import java.io.StringWriter;
-import java.nio.ByteBuffer;
-import java.util.LinkedList;
-import java.util.List;
-import java.util.logging.Logger;
-
-public class FlatManifestWriterImpl extends AbstractManifestWriter {
- private static final Logger LOG = Logger.getLogger(FlatManifestWriterImpl.class.getName());
-
- protected FlatManifestWriterImpl(FragmentIntersectionFinder intersectionFinder) {
- super(intersectionFinder);
- }
-
- /**
- * Overwrite this method in subclasses to add your specialities.
- *
- * @param manifest the original manifest
- * @return your customized version of the manifest
- */
- protected Document customizeManifest(Document manifest) {
- return manifest;
- }
-
- public String getManifest(Movie movie) throws IOException {
-
- LinkedList<VideoQuality> videoQualities = new LinkedList<VideoQuality>();
- long videoTimescale = -1;
-
- LinkedList<AudioQuality> audioQualities = new LinkedList<AudioQuality>();
- long audioTimescale = -1;
-
- for (Track track : movie.getTracks()) {
- if (track.getMediaHeaderBox() instanceof VideoMediaHeaderBox) {
- videoFragmentsDurations = checkFragmentsAlign(videoFragmentsDurations, calculateFragmentDurations(track, movie));
- SampleDescriptionBox stsd = track.getSampleDescriptionBox();
- videoQualities.add(getVideoQuality(track, (VisualSampleEntry) stsd.getSampleEntry()));
- if (videoTimescale == -1) {
- videoTimescale = track.getTrackMetaData().getTimescale();
- } else {
- assert videoTimescale == track.getTrackMetaData().getTimescale();
- }
- }
- if (track.getMediaHeaderBox() instanceof SoundMediaHeaderBox) {
- audioFragmentsDurations = checkFragmentsAlign(audioFragmentsDurations, calculateFragmentDurations(track, movie));
- SampleDescriptionBox stsd = track.getSampleDescriptionBox();
- audioQualities.add(getAudioQuality(track, (AudioSampleEntry) stsd.getSampleEntry()));
- if (audioTimescale == -1) {
- audioTimescale = track.getTrackMetaData().getTimescale();
- } else {
- assert audioTimescale == track.getTrackMetaData().getTimescale();
- }
-
- }
- }
- DocumentBuilderFactory documentBuilderFactory = DocumentBuilderFactory.newInstance();
- DocumentBuilder documentBuilder;
- try {
- documentBuilder = documentBuilderFactory.newDocumentBuilder();
- } catch (ParserConfigurationException e) {
- throw new IOException(e);
- }
- Document document = documentBuilder.newDocument();
-
-
- Element smoothStreamingMedia = document.createElement("SmoothStreamingMedia");
- document.appendChild(smoothStreamingMedia);
- smoothStreamingMedia.setAttribute("MajorVersion", "2");
- smoothStreamingMedia.setAttribute("MinorVersion", "1");
-// silverlight ignores the timescale attr smoothStreamingMedia.addAttribute(new Attribute("TimeScale", Long.toString(movieTimeScale)));
- smoothStreamingMedia.setAttribute("Duration", "0");
-
- smoothStreamingMedia.appendChild(document.createComment(Version.VERSION));
- Element videoStreamIndex = document.createElement("StreamIndex");
- videoStreamIndex.setAttribute("Type", "video");
- videoStreamIndex.setAttribute("TimeScale", Long.toString(videoTimescale)); // silverlight ignores the timescale attr
- videoStreamIndex.setAttribute("Chunks", Integer.toString(videoFragmentsDurations.length));
- videoStreamIndex.setAttribute("Url", "video/{bitrate}/{start time}");
- videoStreamIndex.setAttribute("QualityLevels", Integer.toString(videoQualities.size()));
- smoothStreamingMedia.appendChild(videoStreamIndex);
-
- for (int i = 0; i < videoQualities.size(); i++) {
- VideoQuality vq = videoQualities.get(i);
- Element qualityLevel = document.createElement("QualityLevel");
- qualityLevel.setAttribute("Index", Integer.toString(i));
- qualityLevel.setAttribute("Bitrate", Long.toString(vq.bitrate));
- qualityLevel.setAttribute("FourCC", vq.fourCC);
- qualityLevel.setAttribute("MaxWidth", Long.toString(vq.width));
- qualityLevel.setAttribute("MaxHeight", Long.toString(vq.height));
- qualityLevel.setAttribute("CodecPrivateData", vq.codecPrivateData);
- qualityLevel.setAttribute("NALUnitLengthField", Integer.toString(vq.nalLength));
- videoStreamIndex.appendChild(qualityLevel);
- }
-
- for (int i = 0; i < videoFragmentsDurations.length; i++) {
- Element c = document.createElement("c");
- c.setAttribute("n", Integer.toString(i));
- c.setAttribute("d", Long.toString(videoFragmentsDurations[i]));
- videoStreamIndex.appendChild(c);
- }
-
- if (audioFragmentsDurations != null) {
- Element audioStreamIndex = document.createElement("StreamIndex");
- audioStreamIndex.setAttribute("Type", "audio");
- audioStreamIndex.setAttribute("TimeScale", Long.toString(audioTimescale)); // silverlight ignores the timescale attr
- audioStreamIndex.setAttribute("Chunks", Integer.toString(audioFragmentsDurations.length));
- audioStreamIndex.setAttribute("Url", "audio/{bitrate}/{start time}");
- audioStreamIndex.setAttribute("QualityLevels", Integer.toString(audioQualities.size()));
- smoothStreamingMedia.appendChild(audioStreamIndex);
-
- for (int i = 0; i < audioQualities.size(); i++) {
- AudioQuality aq = audioQualities.get(i);
- Element qualityLevel = document.createElement("QualityLevel");
- qualityLevel.setAttribute("Index", Integer.toString(i));
- qualityLevel.setAttribute("FourCC", aq.fourCC);
- qualityLevel.setAttribute("Bitrate", Long.toString(aq.bitrate));
- qualityLevel.setAttribute("AudioTag", Integer.toString(aq.audioTag));
- qualityLevel.setAttribute("SamplingRate", Long.toString(aq.samplingRate));
- qualityLevel.setAttribute("Channels", Integer.toString(aq.channels));
- qualityLevel.setAttribute("BitsPerSample", Integer.toString(aq.bitPerSample));
- qualityLevel.setAttribute("PacketSize", Integer.toString(aq.packetSize));
- qualityLevel.setAttribute("CodecPrivateData", aq.codecPrivateData);
- audioStreamIndex.appendChild(qualityLevel);
- }
- for (int i = 0; i < audioFragmentsDurations.length; i++) {
- Element c = document.createElement("c");
- c.setAttribute("n", Integer.toString(i));
- c.setAttribute("d", Long.toString(audioFragmentsDurations[i]));
- audioStreamIndex.appendChild(c);
- }
- }
-
- document.setXmlStandalone(true);
- Source source = new DOMSource(document);
- StringWriter stringWriter = new StringWriter();
- Result result = new StreamResult(stringWriter);
- TransformerFactory factory = TransformerFactory.newInstance();
- Transformer transformer;
- try {
- transformer = factory.newTransformer();
- transformer.setOutputProperty(OutputKeys.INDENT, "yes");
- transformer.transform(source, result);
- } catch (TransformerConfigurationException e) {
- throw new IOException(e);
- } catch (TransformerException e) {
- throw new IOException(e);
- }
- return stringWriter.getBuffer().toString();
-
-
- }
-
- private AudioQuality getAudioQuality(Track track, AudioSampleEntry ase) {
- if (getFormat(ase).equals("mp4a")) {
- return getAacAudioQuality(track, ase);
- } else if (getFormat(ase).equals("ec-3")) {
- return getEc3AudioQuality(track, ase);
- } else if (getFormat(ase).startsWith("dts")) {
- return getDtsAudioQuality(track, ase);
- } else {
- throw new InternalError("I don't know what to do with audio of type " + getFormat(ase));
- }
-
- }
-
- private AudioQuality getAacAudioQuality(Track track, AudioSampleEntry ase) {
- AudioQuality l = new AudioQuality();
- final ESDescriptorBox esDescriptorBox = ase.getBoxes(ESDescriptorBox.class).get(0);
- final AudioSpecificConfig audioSpecificConfig = esDescriptorBox.getEsDescriptor().getDecoderConfigDescriptor().getAudioSpecificInfo();
- if (audioSpecificConfig.getSbrPresentFlag() == 1) {
- l.fourCC = "AACH";
- } else if (audioSpecificConfig.getPsPresentFlag() == 1) {
- l.fourCC = "AACP"; //I'm not sure if that's what MS considers as AAC+ - because actually AAC+ and AAC-HE should be the same...
- } else {
- l.fourCC = "AACL";
- }
- l.bitrate = getBitrate(track);
- l.audioTag = 255;
- l.samplingRate = ase.getSampleRate();
- l.channels = ase.getChannelCount();
- l.bitPerSample = ase.getSampleSize();
- l.packetSize = 4;
- l.codecPrivateData = getAudioCodecPrivateData(audioSpecificConfig);
- //Index="0" Bitrate="103000" AudioTag="255" SamplingRate="44100" Channels="2" BitsPerSample="16" packetSize="4" CodecPrivateData=""
- return l;
- }
-
- private AudioQuality getEc3AudioQuality(Track track, AudioSampleEntry ase) {
- final EC3SpecificBox ec3SpecificBox = ase.getBoxes(EC3SpecificBox.class).get(0);
- if (ec3SpecificBox == null) {
- throw new RuntimeException("EC-3 track misses EC3SpecificBox!");
- }
-
- short nfchans = 0; //full bandwidth channels
- short lfechans = 0;
- byte dWChannelMaskFirstByte = 0;
- byte dWChannelMaskSecondByte = 0;
- for (EC3SpecificBox.Entry entry : ec3SpecificBox.getEntries()) {
- /*
- Table 4.3: Audio coding mode
- acmod Audio coding mode Nfchans Channel array ordering
- 000 1 + 1 2 Ch1, Ch2
- 001 1/0 1 C
- 010 2/0 2 L, R
- 011 3/0 3 L, C, R
- 100 2/1 3 L, R, S
- 101 3/1 4 L, C, R, S
- 110 2/2 4 L, R, SL, SR
- 111 3/2 5 L, C, R, SL, SR
-
- Table F.2: Chan_loc field bit assignments
- Bit Location
- 0 Lc/Rc pair
- 1 Lrs/Rrs pair
- 2 Cs
- 3 Ts
- 4 Lsd/Rsd pair
- 5 Lw/Rw pair
- 6 Lvh/Rvh pair
- 7 Cvh
- 8 LFE2
- */
- switch (entry.acmod) {
- case 0: //1+1; Ch1, Ch2
- nfchans += 2;
- throw new RuntimeException("Smooth Streaming doesn't support DDP 1+1 mode");
- case 1: //1/0; C
- nfchans += 1;
- if (entry.num_dep_sub > 0) {
- DependentSubstreamMask dependentSubstreamMask = new DependentSubstreamMask(dWChannelMaskFirstByte, dWChannelMaskSecondByte, entry).process();
- dWChannelMaskFirstByte |= dependentSubstreamMask.getdWChannelMaskFirstByte();
- dWChannelMaskSecondByte |= dependentSubstreamMask.getdWChannelMaskSecondByte();
- } else {
- dWChannelMaskFirstByte |= 0x20;
- }
- break;
- case 2: //2/0; L, R
- nfchans += 2;
- if (entry.num_dep_sub > 0) {
- DependentSubstreamMask dependentSubstreamMask = new DependentSubstreamMask(dWChannelMaskFirstByte, dWChannelMaskSecondByte, entry).process();
- dWChannelMaskFirstByte |= dependentSubstreamMask.getdWChannelMaskFirstByte();
- dWChannelMaskSecondByte |= dependentSubstreamMask.getdWChannelMaskSecondByte();
- } else {
- dWChannelMaskFirstByte |= 0xC0;
- }
- break;
- case 3: //3/0; L, C, R
- nfchans += 3;
- if (entry.num_dep_sub > 0) {
- DependentSubstreamMask dependentSubstreamMask = new DependentSubstreamMask(dWChannelMaskFirstByte, dWChannelMaskSecondByte, entry).process();
- dWChannelMaskFirstByte |= dependentSubstreamMask.getdWChannelMaskFirstByte();
- dWChannelMaskSecondByte |= dependentSubstreamMask.getdWChannelMaskSecondByte();
- } else {
- dWChannelMaskFirstByte |= 0xE0;
- }
- break;
- case 4: //2/1; L, R, S
- nfchans += 3;
- if (entry.num_dep_sub > 0) {
- DependentSubstreamMask dependentSubstreamMask = new DependentSubstreamMask(dWChannelMaskFirstByte, dWChannelMaskSecondByte, entry).process();
- dWChannelMaskFirstByte |= dependentSubstreamMask.getdWChannelMaskFirstByte();
- dWChannelMaskSecondByte |= dependentSubstreamMask.getdWChannelMaskSecondByte();
- } else {
- dWChannelMaskFirstByte |= 0xC0;
- dWChannelMaskSecondByte |= 0x80;
- }
- break;
- case 5: //3/1; L, C, R, S
- nfchans += 4;
- if (entry.num_dep_sub > 0) {
- DependentSubstreamMask dependentSubstreamMask = new DependentSubstreamMask(dWChannelMaskFirstByte, dWChannelMaskSecondByte, entry).process();
- dWChannelMaskFirstByte |= dependentSubstreamMask.getdWChannelMaskFirstByte();
- dWChannelMaskSecondByte |= dependentSubstreamMask.getdWChannelMaskSecondByte();
- } else {
- dWChannelMaskFirstByte |= 0xE0;
- dWChannelMaskSecondByte |= 0x80;
- }
- break;
- case 6: //2/2; L, R, SL, SR
- nfchans += 4;
- if (entry.num_dep_sub > 0) {
- DependentSubstreamMask dependentSubstreamMask = new DependentSubstreamMask(dWChannelMaskFirstByte, dWChannelMaskSecondByte, entry).process();
- dWChannelMaskFirstByte |= dependentSubstreamMask.getdWChannelMaskFirstByte();
- dWChannelMaskSecondByte |= dependentSubstreamMask.getdWChannelMaskSecondByte();
- } else {
- dWChannelMaskFirstByte |= 0xCC;
- }
- break;
- case 7: //3/2; L, C, R, SL, SR
- nfchans += 5;
- if (entry.num_dep_sub > 0) {
- DependentSubstreamMask dependentSubstreamMask = new DependentSubstreamMask(dWChannelMaskFirstByte, dWChannelMaskSecondByte, entry).process();
- dWChannelMaskFirstByte |= dependentSubstreamMask.getdWChannelMaskFirstByte();
- dWChannelMaskSecondByte |= dependentSubstreamMask.getdWChannelMaskSecondByte();
- } else {
- dWChannelMaskFirstByte |= 0xEC;
- }
- break;
- }
- if (entry.lfeon == 1) {
- lfechans ++;
- dWChannelMaskFirstByte |= 0x10;
- }
- }
-
- final ByteBuffer waveformatex = ByteBuffer.allocate(22);
- waveformatex.put(new byte[]{0x00, 0x06}); //1536 wSamplesPerBlock - little endian
- waveformatex.put(dWChannelMaskFirstByte);
- waveformatex.put(dWChannelMaskSecondByte);
- waveformatex.put(new byte[]{0x00, 0x00}); //pad dwChannelMask to 32bit
- waveformatex.put(new byte[]{(byte)0xAF, (byte)0x87, (byte)0xFB, (byte)0xA7, 0x02, 0x2D, (byte)0xFB, 0x42, (byte)0xA4, (byte)0xD4, 0x05, (byte)0xCD, (byte)0x93, (byte)0x84, 0x3B, (byte)0xDD}); //SubFormat - Dolby Digital Plus GUID
-
- final ByteBuffer dec3Content = ByteBuffer.allocate((int) ec3SpecificBox.getContentSize());
- ec3SpecificBox.getContent(dec3Content);
-
- AudioQuality l = new AudioQuality();
- l.fourCC = "EC-3";
- l.bitrate = getBitrate(track);
- l.audioTag = 65534;
- l.samplingRate = ase.getSampleRate();
- l.channels = nfchans + lfechans;
- l.bitPerSample = 16;
- l.packetSize = track.getSamples().get(0).limit(); //assuming all are same size
- l.codecPrivateData = Hex.encodeHex(waveformatex.array()) + Hex.encodeHex(dec3Content.array()); //append EC3SpecificBox (big endian) at the end of waveformatex
- return l;
- }
-
- private AudioQuality getDtsAudioQuality(Track track, AudioSampleEntry ase) {
- final DTSSpecificBox dtsSpecificBox = ase.getBoxes(DTSSpecificBox.class).get(0);
- if (dtsSpecificBox == null) {
- throw new RuntimeException("DTS track misses DTSSpecificBox!");
- }
-
- final ByteBuffer waveformatex = ByteBuffer.allocate(22);
- final int frameDuration = dtsSpecificBox.getFrameDuration();
- short samplesPerBlock = 0;
- switch (frameDuration) {
- case 0:
- samplesPerBlock = 512;
- break;
- case 1:
- samplesPerBlock = 1024;
- break;
- case 2:
- samplesPerBlock = 2048;
- break;
- case 3:
- samplesPerBlock = 4096;
- break;
- }
- waveformatex.put((byte) (samplesPerBlock & 0xff));
- waveformatex.put((byte) (samplesPerBlock >>> 8));
- final int dwChannelMask = getNumChannelsAndMask(dtsSpecificBox)[1];
- waveformatex.put((byte) (dwChannelMask & 0xff));
- waveformatex.put((byte) (dwChannelMask >>> 8));
- waveformatex.put((byte) (dwChannelMask >>> 16));
- waveformatex.put((byte) (dwChannelMask >>> 24));
- waveformatex.put(new byte[]{(byte)0xAE, (byte)0xE4, (byte)0xBF, (byte)0x5E, (byte)0x61, (byte)0x5E, (byte)0x41, (byte)0x87, (byte)0x92, (byte)0xFC, (byte)0xA4, (byte)0x81, (byte)0x26, (byte)0x99, (byte)0x02, (byte)0x11}); //DTS-HD GUID
-
- final ByteBuffer dtsCodecPrivateData = ByteBuffer.allocate(8);
- dtsCodecPrivateData.put((byte) dtsSpecificBox.getStreamConstruction());
-
- final int channelLayout = dtsSpecificBox.getChannelLayout();
- dtsCodecPrivateData.put((byte) (channelLayout & 0xff));
- dtsCodecPrivateData.put((byte) (channelLayout >>> 8));
- dtsCodecPrivateData.put((byte) (channelLayout >>> 16));
- dtsCodecPrivateData.put((byte) (channelLayout >>> 24));
-
- byte dtsFlags = (byte) (dtsSpecificBox.getMultiAssetFlag() << 1);
- dtsFlags |= dtsSpecificBox.getLBRDurationMod();
- dtsCodecPrivateData.put(dtsFlags);
- dtsCodecPrivateData.put(new byte[]{0x00, 0x00}); //reserved
-
- AudioQuality l = new AudioQuality();
- l.fourCC = getFormat(ase);
- l.bitrate = dtsSpecificBox.getAvgBitRate();
- l.audioTag = 65534;
- l.samplingRate = dtsSpecificBox.getDTSSamplingFrequency();
- l.channels = getNumChannelsAndMask(dtsSpecificBox)[0];
- l.bitPerSample = 16;
- l.packetSize = track.getSamples().get(0).limit(); //assuming all are same size
- l.codecPrivateData = Hex.encodeHex(waveformatex.array()) + Hex.encodeHex(dtsCodecPrivateData.array());
- return l;
-
- }
-
- /* dwChannelMask
- L SPEAKER_FRONT_LEFT 0x00000001
- R SPEAKER_FRONT_RIGHT 0x00000002
- C SPEAKER_FRONT_CENTER 0x00000004
- LFE1 SPEAKER_LOW_FREQUENCY 0x00000008
- Ls or Lsr* SPEAKER_BACK_LEFT 0x00000010
- Rs or Rsr* SPEAKER_BACK_RIGHT 0x00000020
- Lc SPEAKER_FRONT_LEFT_OF_CENTER 0x00000040
- Rc SPEAKER_FRONT_RIGHT_OF_CENTER 0x00000080
- Cs SPEAKER_BACK_CENTER 0x00000100
- Lss SPEAKER_SIDE_LEFT 0x00000200
- Rss SPEAKER_SIDE_RIGHT 0x00000400
- Oh SPEAKER_TOP_CENTER 0x00000800
- Lh SPEAKER_TOP_FRONT_LEFT 0x00001000
- Ch SPEAKER_TOP_FRONT_CENTER 0x00002000
- Rh SPEAKER_TOP_FRONT_RIGHT 0x00004000
- Lhr SPEAKER_TOP_BACK_LEFT 0x00008000
- Chf SPEAKER_TOP_BACK_CENTER 0x00010000
- Rhr SPEAKER_TOP_BACK_RIGHT 0x00020000
- SPEAKER_RESERVED 0x80000000
-
- * if Lss, Rss exist, then this position is equivalent to Lsr, Rsr respectively
- */
- private int[] getNumChannelsAndMask(DTSSpecificBox dtsSpecificBox) {
- final int channelLayout = dtsSpecificBox.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};
- }
-
- private String getAudioCodecPrivateData(AudioSpecificConfig audioSpecificConfig) {
- byte[] configByteArray = audioSpecificConfig.getConfigBytes();
- return Hex.encodeHex(configByteArray);
- }
-
- private VideoQuality getVideoQuality(Track track, VisualSampleEntry vse) {
- VideoQuality l;
- if ("avc1".equals(getFormat(vse))) {
- AvcConfigurationBox avcConfigurationBox = vse.getBoxes(AvcConfigurationBox.class).get(0);
- l = new VideoQuality();
- l.bitrate = getBitrate(track);
- l.codecPrivateData = Hex.encodeHex(getAvcCodecPrivateData(avcConfigurationBox));
- l.fourCC = "AVC1";
- l.width = vse.getWidth();
- l.height = vse.getHeight();
- l.nalLength = avcConfigurationBox.getLengthSizeMinusOne() + 1;
- } else {
- throw new InternalError("I don't know how to handle video of type " + getFormat(vse));
- }
- return l;
- }
-
- private byte[] getAvcCodecPrivateData(AvcConfigurationBox avcConfigurationBox) {
- List<byte[]> sps = avcConfigurationBox.getSequenceParameterSets();
- List<byte[]> pps = avcConfigurationBox.getPictureParameterSets();
- ByteArrayOutputStream baos = new ByteArrayOutputStream();
- try {
- baos.write(new byte[]{0, 0, 0, 1});
-
- for (byte[] sp : sps) {
- baos.write(sp);
- }
- baos.write(new byte[]{0, 0, 0, 1});
- for (byte[] pp : pps) {
- baos.write(pp);
- }
- } catch (IOException ex) {
- throw new RuntimeException("ByteArrayOutputStream do not throw IOException ?!?!?");
- }
- return baos.toByteArray();
- }
-
- private class DependentSubstreamMask {
- private byte dWChannelMaskFirstByte;
- private byte dWChannelMaskSecondByte;
- private EC3SpecificBox.Entry entry;
-
- public DependentSubstreamMask(byte dWChannelMaskFirstByte, byte dWChannelMaskSecondByte, EC3SpecificBox.Entry entry) {
- this.dWChannelMaskFirstByte = dWChannelMaskFirstByte;
- this.dWChannelMaskSecondByte = dWChannelMaskSecondByte;
- this.entry = entry;
- }
-
- public byte getdWChannelMaskFirstByte() {
- return dWChannelMaskFirstByte;
- }
-
- public byte getdWChannelMaskSecondByte() {
- return dWChannelMaskSecondByte;
- }
-
- public DependentSubstreamMask process() {
- switch (entry.chan_loc) {
- case 0:
- dWChannelMaskFirstByte |= 0x3;
- break;
- case 1:
- dWChannelMaskFirstByte |= 0xC;
- break;
- case 2:
- dWChannelMaskSecondByte |= 0x80;
- break;
- case 3:
- dWChannelMaskSecondByte |= 0x8;
- break;
- case 6:
- dWChannelMaskSecondByte |= 0x5;
- break;
- case 7:
- dWChannelMaskSecondByte |= 0x2;
- break;
- }
- return this;
- }
- }
-}
generated by cgit v1.2.3 (git 2.25.1) at 2024-06-03 14:26:22 +0000