archive
/
tasks
mirror of https://github.com/tasks/tasks
1
0
Fork 0
Code Issues Projects Releases Wiki Activity

Updated a bunch of stuff in the android aac project to fix build issues

Browse Source
pull/14/head
Sam Bosley 12 years ago
parent 500660f05d
commit 6875345361
7 changed files with 11 additions and 512 deletions
Show Stats Download Patch File Download Diff File

3
android-aac-enc/.classpath
Unescape Escape View File

@ -1,9 +1,8 @@
<?xml version="1.0" encoding="UTF-8"?>
<classpath>
<classpathentry kind="src" path="src"/>
<classpathentry excluding="com/googlecode/mp4parser/authoring/builder/smoothstreaming/FlatManifestWriterImpl.java|com/googlecode/mp4parser/authoring/builder/smoothstreaming/FlatPackageWriterImpl.java" kind="src" path="src"/>
<classpathentry kind="src" path="gen"/>
<classpathentry kind="con" path="com.android.ide.eclipse.adt.ANDROID_FRAMEWORK"/>
<classpathentry kind="con" path="com.android.ide.eclipse.adt.LIBRARIES"/>
<classpathentry kind="lib" path="libs/xom-1.2.7.jar"/>
<classpathentry kind="output" path="bin/classes"/>
</classpath>

7
android-aac-enc/.gitignore vendored
Unescape Escape View File

@ -1,3 +1,10 @@
*~
.metadata
*.class
org.eclipse.ltk.core.refactoring.prefs
gen
local.properties
ecbuild
bin
obj

4
android-aac-enc/build.xml
Unescape Escape View File

@ -1,10 +1,10 @@
<?xml version="1.0" encoding="UTF-8"?>
<project name="Main" default="help">
<project name="aac-enc">
<!-- The local.properties file is created and updated by the 'android' tool.
It contains the path to the SDK. It should *NOT* be checked into
Version Control Systems. -->
<property file="local.properties" />
<loadproperties srcFile="local.properties" />
<!-- The ant.properties file can be created by you. It is only edited by the
'android' tool to add properties to it.

BIN
android-aac-enc/libs/xom-1.2.7.jar
View File

Binary file not shown.

2
android-aac-enc/local.properties
Unescape Escape View File

@ -7,4 +7,4 @@
# location of the SDK. This is only used by Ant
# For customization when using a Version Control System, please read the
# header note.
sdk.dir=/home/timsu/src/android-sdk
sdk.dir=/Users/Sam/workspace/android-sdk-macosx

330
android-aac-enc/src/com/googlecode/mp4parser/authoring/builder/smoothstreaming/FlatManifestWriterImpl.java
Unescape Escape View File

@ -1,330 +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.builder.smoothstreaming;
import com.coremedia.iso.Hex;
import com.coremedia.iso.boxes.OriginalFormatBox;
import com.coremedia.iso.boxes.SampleDescriptionBox;
import com.coremedia.iso.boxes.SoundMediaHeaderBox;
import com.coremedia.iso.boxes.TimeToSampleBox;
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.SampleEntry;
import com.coremedia.iso.boxes.sampleentry.VisualSampleEntry;
import com.googlecode.mp4parser.authoring.Movie;
import com.googlecode.mp4parser.authoring.Track;
import com.googlecode.mp4parser.authoring.builder.FragmentIntersectionFinder;
import com.googlecode.mp4parser.authoring.builder.SyncSampleIntersectFinderImpl;
import com.googlecode.mp4parser.boxes.mp4.ESDescriptorBox;
import nu.xom.Attribute;
import nu.xom.Document;
import nu.xom.Element;
import nu.xom.Serializer;
import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.nio.ByteBuffer;
import java.util.Arrays;
import java.util.LinkedList;
import java.util.List;
import static com.googlecode.mp4parser.util.CastUtils.l2i;
public class FlatManifestWriterImpl implements ManifestWriter {
private FragmentIntersectionFinder intersectionFinder = new SyncSampleIntersectFinderImpl();
private long[] audioFragmentsDurations;
private long[] videoFragmentsDurations;
public void setIntersectionFinder(FragmentIntersectionFinder intersectionFinder) {
this.intersectionFinder = 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();
}
}
}
Element smoothStreamingMedia = new Element("SmoothStreamingMedia");
smoothStreamingMedia.addAttribute(new Attribute("MajorVersion", "2"));
smoothStreamingMedia.addAttribute(new Attribute("MinorVersion", "1"));
// silverlight ignores the timescale attr smoothStreamingMedia.addAttribute(new Attribute("TimeScale", Long.toString(movieTimeScale)));
smoothStreamingMedia.addAttribute(new Attribute("Duration", "0"));
Element videoStreamIndex = new Element("StreamIndex");
videoStreamIndex.addAttribute(new Attribute("Type", "video"));
videoStreamIndex.addAttribute(new Attribute("TimeScale", Long.toString(videoTimescale))); // silverlight ignores the timescale attr
videoStreamIndex.addAttribute(new Attribute("Chunks", Integer.toString(videoFragmentsDurations.length)));
videoStreamIndex.addAttribute(new Attribute("Url", "video/{bitrate}/{start time}"));
videoStreamIndex.addAttribute(new Attribute("QualityLevels", Integer.toString(videoQualities.size())));
smoothStreamingMedia.appendChild(videoStreamIndex);
for (int i = 0; i < videoQualities.size(); i++) {
VideoQuality vq = videoQualities.get(i);
Element qualityLevel = new Element("QualityLevel");
qualityLevel.addAttribute(new Attribute("Index", Integer.toString(i)));
qualityLevel.addAttribute(new Attribute("Bitrate", Long.toString(vq.bitrate)));
qualityLevel.addAttribute(new Attribute("FourCC", vq.fourCC));
qualityLevel.addAttribute(new Attribute("MaxWidth", Long.toString(vq.width)));
qualityLevel.addAttribute(new Attribute("MaxHeight", Long.toString(vq.height)));
qualityLevel.addAttribute(new Attribute("CodecPrivateData", vq.codecPrivateData));
qualityLevel.addAttribute(new Attribute("NALUnitLengthField", Integer.toString(vq.nalLength)));
videoStreamIndex.appendChild(qualityLevel);
}
for (int i = 0; i < videoFragmentsDurations.length; i++) {
Element c = new Element("c");
c.addAttribute(new Attribute("n", Integer.toString(i)));
c.addAttribute(new Attribute("d", Long.toString((long) (videoFragmentsDurations[i] ))));
videoStreamIndex.appendChild(c);
}
if (audioFragmentsDurations != null) {
Element audioStreamIndex = new Element("StreamIndex");
audioStreamIndex.addAttribute(new Attribute("Type", "audio"));
audioStreamIndex.addAttribute(new Attribute("TimeScale", Long.toString(audioTimescale))); // silverlight ignores the timescale attr
audioStreamIndex.addAttribute(new Attribute("Chunks", Integer.toString(audioFragmentsDurations.length)));
audioStreamIndex.addAttribute(new Attribute("Url", "audio/{bitrate}/{start time}"));
audioStreamIndex.addAttribute(new Attribute("QualityLevels", Integer.toString(audioQualities.size())));
smoothStreamingMedia.appendChild(audioStreamIndex);
for (int i = 0; i < audioQualities.size(); i++) {
AudioQuality aq = audioQualities.get(i);
Element qualityLevel = new Element("QualityLevel");
qualityLevel.addAttribute(new Attribute("Index", Integer.toString(i)));
qualityLevel.addAttribute(new Attribute("Bitrate", Long.toString(aq.bitrate)));
qualityLevel.addAttribute(new Attribute("AudioTag", Integer.toString(aq.audioTag)));
qualityLevel.addAttribute(new Attribute("SamplingRate", Long.toString(aq.samplingRate)));
qualityLevel.addAttribute(new Attribute("Channels", Integer.toString(aq.channels)));
qualityLevel.addAttribute(new Attribute("BitsPerSample", Integer.toString(aq.bitPerSample)));
qualityLevel.addAttribute(new Attribute("PacketSize", Integer.toString(aq.packetSize)));
qualityLevel.addAttribute(new Attribute("CodecPrivateData", aq.codecPrivateData));
audioStreamIndex.appendChild(qualityLevel);
}
for (int i = 0; i < audioFragmentsDurations.length; i++) {
Element c = new Element("c");
c.addAttribute(new Attribute("n", Integer.toString(i)));
c.addAttribute(new Attribute("d", Long.toString((long) (audioFragmentsDurations[i] ))));
audioStreamIndex.appendChild(c);
}
}
ByteArrayOutputStream baos = new ByteArrayOutputStream();
Serializer serializer = new Serializer(baos);
serializer.setIndent(4);
serializer.write(customizeManifest(new Document(smoothStreamingMedia)));
return baos.toString("UTF-8");
}
private AudioQuality getAudioQuality(Track track, AudioSampleEntry ase) {
if (getFormat(ase).equals("mp4a")) {
AudioQuality l = new AudioQuality();
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(ase.getBoxes(ESDescriptorBox.class).get(0));
//Index="0" Bitrate="103000" AudioTag="255" SamplingRate="44100" Channels="2" BitsPerSample="16" packetSize="4" CodecPrivateData=""
return l;
} else {
throw new InternalError("I don't know what to do with audio of type " + getFormat(ase));
}
}
public long getBitrate(Track track) {
long bitrate = 0;
for (ByteBuffer sample : track.getSamples()) {
bitrate += sample.limit();
}
bitrate *= 8; // from bytes to bits
bitrate /= ((double) getDuration(track)) / track.getTrackMetaData().getTimescale(); // per second
return bitrate;
}
private String getAudioCodecPrivateData(ESDescriptorBox esDescriptorBox) {
ByteBuffer configBytes = esDescriptorBox.getEsDescriptor().getDecoderConfigDescriptor().getAudioSpecificInfo().getConfigBytes();
byte[] configByteArray = new byte[configBytes.limit()];
configBytes.rewind();
configBytes.get(configByteArray);
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 long[] checkFragmentsAlign(long[] referenceTimes, long[] checkTimes) throws IOException {
if (referenceTimes == null || referenceTimes.length == 0) {
return checkTimes;
}
long[] referenceTimesMinusLast = new long[referenceTimes.length - 1];
System.arraycopy(referenceTimes, 0, referenceTimesMinusLast, 0, referenceTimes.length - 1);
long[] checkTimesMinusLast = new long[checkTimes.length - 1];
System.arraycopy(checkTimes, 0, checkTimesMinusLast, 0, checkTimes.length - 1);
if (!Arrays.equals(checkTimesMinusLast, referenceTimesMinusLast)) {
System.err.print("Reference : [");
for (long l : checkTimes) {
System.err.print(l + ",");
}
System.err.println("]");
System.err.print("Current : [");
for (long l : referenceTimes) {
System.err.print(l + ",");
}
System.err.println("]");
throw new IOException("Track does not have the same fragment borders as its predecessor.");
} else {
return checkTimes;
}
}
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 InternalError("ByteArrayOutputStream do not throw IOException ?!?!?");
}
return baos.toByteArray();
}
private String getFormat(SampleEntry se) {
String type = se.getType();
if (type.equals("encv") || type.equals("enca") || type.equals("encv")) {
OriginalFormatBox frma = se.getBoxes(OriginalFormatBox.class, true).get(0);
type = frma.getDataFormat();
}
return type;
}
/**
* Calculates the length of each fragment in the given <code>track</code> (as part of <code>movie</code>).
*
* @param track target of calculation
* @param movie the <code>track</code> must be part of this <code>movie</code>
* @return the duration of each fragment in track timescale
*/
public long[] calculateFragmentDurations(Track track, Movie movie) {
long[] startSamples = intersectionFinder.sampleNumbers(track, movie);
long[] durations = new long[startSamples.length];
int currentFragment = -1;
int currentSample = 1; // sync samples start with 1 !
for (TimeToSampleBox.Entry entry : track.getDecodingTimeEntries()) {
for (int max = currentSample + l2i(entry.getCount()); currentSample <= max; currentSample++) {
// in this loop we go through the entry.getCount() samples starting from current sample.
// the next entry.getCount() samples have the same decoding time.
if (currentFragment != startSamples.length - 1 && currentSample == startSamples[currentFragment + 1]) {
// we are not in the last fragment && the current sample is the start sample of the next fragment
currentFragment++;
}
durations[currentFragment] += entry.getDelta();
}
}
return durations;
}
protected static long getDuration(Track track) {
long duration = 0;
for (TimeToSampleBox.Entry entry : track.getDecodingTimeEntries()) {
duration += entry.getCount() * entry.getDelta();
}
return duration;
}
}

177
android-aac-enc/src/com/googlecode/mp4parser/authoring/builder/smoothstreaming/FlatPackageWriterImpl.java
Unescape Escape View File

@ -1,177 +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.builder.smoothstreaming;
import com.coremedia.iso.IsoFile;
import com.coremedia.iso.boxes.*;
import com.coremedia.iso.boxes.fragment.MovieFragmentBox;
import com.googlecode.mp4parser.authoring.Movie;
import com.googlecode.mp4parser.authoring.Track;
import com.googlecode.mp4parser.authoring.builder.DefaultMp4Builder;
import com.googlecode.mp4parser.authoring.builder.FragmentIntersectionFinder;
import com.googlecode.mp4parser.authoring.builder.FragmentedMp4Builder;
import com.googlecode.mp4parser.authoring.builder.Mp4Builder;
import com.googlecode.mp4parser.authoring.builder.SyncSampleIntersectFinderImpl;
import com.googlecode.mp4parser.authoring.tracks.ChangeTimeScaleTrack;
import java.io.File;
import java.io.FileOutputStream;
import java.io.FileWriter;
import java.io.IOException;
import java.nio.channels.FileChannel;
import java.util.Iterator;
import java.util.logging.Logger;
import static com.googlecode.mp4parser.util.Math.gcd;
import static com.googlecode.mp4parser.util.Math.lcm;
public class FlatPackageWriterImpl implements PackageWriter {
private static Logger LOG = Logger.getLogger(FlatPackageWriterImpl.class.getName());
long timeScale = 10000000;
private File outputDirectory;
private boolean debugOutput;
private Mp4Builder ismvBuilder;
ManifestWriter manifestWriter;
FragmentIntersectionFinder fragmentIntersectionFinder;
{
ismvBuilder = new FragmentedMp4Builder();
fragmentIntersectionFinder = new SyncSampleIntersectFinderImpl();
((FragmentedMp4Builder) ismvBuilder).setIntersectionFinder(fragmentIntersectionFinder);
manifestWriter = new FlatManifestWriterImpl();
}
public void setOutputDirectory(File outputDirectory) {
assert outputDirectory.isDirectory();
this.outputDirectory = outputDirectory;
}
public void setDebugOutput(boolean debugOutput) {
this.debugOutput = debugOutput;
}
public void setIsmvBuilder(Mp4Builder ismvBuilder) {
this.ismvBuilder = ismvBuilder;
}
public void setManifestWriter(ManifestWriter manifestWriter) {
this.manifestWriter = manifestWriter;
}
/**
* Writes the movie given as <code>qualities</code> flattened into the
* <code>outputDirectory</code>.
*
* @param source the source movie with all qualities
* @throws IOException
*/
public void write(Movie source) throws IOException {
if (debugOutput) {
DefaultMp4Builder defaultMp4Builder = new DefaultMp4Builder();
IsoFile muxed = defaultMp4Builder.build(source);
File muxedFile = new File(outputDirectory, "debug_1_muxed.mp4");
FileOutputStream muxedFileOutputStream = new FileOutputStream(muxedFile);
muxed.getBox(muxedFileOutputStream.getChannel());
muxedFileOutputStream.close();
}
Movie movieWithAdjustedTimescale = correctTimescale(source);
if (debugOutput) {
DefaultMp4Builder defaultMp4Builder = new DefaultMp4Builder();
IsoFile muxed = defaultMp4Builder.build(movieWithAdjustedTimescale);
File muxedFile = new File(outputDirectory, "debug_2_timescale.mp4");
FileOutputStream muxedFileOutputStream = new FileOutputStream(muxedFile);
muxed.getBox(muxedFileOutputStream.getChannel());
muxedFileOutputStream.close();
}
IsoFile isoFile = ismvBuilder.build(movieWithAdjustedTimescale);
if (debugOutput) {
File allQualities = new File(outputDirectory, "debug_3_fragmented.mp4");
FileOutputStream allQualis = new FileOutputStream(allQualities);
isoFile.getBox(allQualis.getChannel());
allQualis.close();
}
for (Track track : movieWithAdjustedTimescale.getTracks()) {
String bitrate = Long.toString(manifestWriter.getBitrate(track));
long trackId = track.getTrackMetaData().getTrackId();
Iterator<Box> boxIt = isoFile.getBoxes().iterator();
File mediaOutDir;
if (track.getMediaHeaderBox() instanceof SoundMediaHeaderBox) {
mediaOutDir = new File(outputDirectory, "audio");
} else if (track.getMediaHeaderBox() instanceof VideoMediaHeaderBox) {
mediaOutDir = new File(outputDirectory, "video");
} else {
System.err.println("Skipping Track with handler " + track.getHandler() + " and " + track.getMediaHeaderBox().getClass().getSimpleName());
continue;
}
File bitRateOutputDir = new File(mediaOutDir, bitrate);
bitRateOutputDir.mkdirs();
LOG.finer("Created : " + bitRateOutputDir.getCanonicalPath());
long[] fragmentTimes = manifestWriter.calculateFragmentDurations(track, movieWithAdjustedTimescale);
long startTime = 0;
int currentFragment = 0;
while (boxIt.hasNext()) {
Box b = boxIt.next();
if (b instanceof MovieFragmentBox) {
assert ((MovieFragmentBox) b).getTrackCount() == 1;
if (((MovieFragmentBox) b).getTrackNumbers()[0] == trackId) {
FileOutputStream fos = new FileOutputStream(new File(bitRateOutputDir, Long.toString(startTime)));
startTime += fragmentTimes[currentFragment++];
FileChannel fc = fos.getChannel();
Box mdat = boxIt.next();
assert mdat.getType().equals("mdat");
b.getBox(fc); // moof
mdat.getBox(fc); // mdat
fc.truncate(fc.position());
fc.close();
}
}
}
}
FileWriter fw = new FileWriter(new File(outputDirectory, "Manifest"));
fw.write(manifestWriter.getManifest(movieWithAdjustedTimescale));
fw.close();
}
/**
* Returns a new <code>Movie</code> in that all tracks have the timescale 10000000. CTS & DTS are modified
* in a way that even with more than one framerate the fragments exactly begin at the same time.
*
* @param movie
* @return a movie with timescales suitable for smooth streaming manifests
*/
public Movie correctTimescale(Movie movie) {
Movie nuMovie = new Movie();
for (Track track : movie.getTracks()) {
nuMovie.addTrack(new ChangeTimeScaleTrack(track, timeScale, fragmentIntersectionFinder.sampleNumbers(track, movie)));
}
movie.setTracks(nuMovie.getTracks());
return movie;
}
}
Write Preview
Loading…
Cancel
Save