diff options
Diffstat (limited to 'isoparser/src/main/java/com/googlecode/mp4parser/authoring/tracks/.svn/text-base/Amf0Track.java.svn-base')
-rw-r--r-- | isoparser/src/main/java/com/googlecode/mp4parser/authoring/tracks/.svn/text-base/Amf0Track.java.svn-base | 116 |
1 files changed, 116 insertions, 0 deletions
diff --git a/isoparser/src/main/java/com/googlecode/mp4parser/authoring/tracks/.svn/text-base/Amf0Track.java.svn-base b/isoparser/src/main/java/com/googlecode/mp4parser/authoring/tracks/.svn/text-base/Amf0Track.java.svn-base new file mode 100644 index 0000000..0917767 --- /dev/null +++ b/isoparser/src/main/java/com/googlecode/mp4parser/authoring/tracks/.svn/text-base/Amf0Track.java.svn-base @@ -0,0 +1,116 @@ +/* + * 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.tracks; + +import com.coremedia.iso.boxes.*; +import com.googlecode.mp4parser.authoring.AbstractTrack; +import com.googlecode.mp4parser.authoring.TrackMetaData; +import com.googlecode.mp4parser.boxes.adobe.ActionMessageFormat0SampleEntryBox; + +import java.nio.ByteBuffer; +import java.util.Collections; +import java.util.Date; +import java.util.LinkedList; +import java.util.List; +import java.util.Map; +import java.util.SortedMap; +import java.util.TreeMap; + +public class Amf0Track extends AbstractTrack { + SortedMap<Long, byte[]> rawSamples = new TreeMap<Long, byte[]>() { + }; + private TrackMetaData trackMetaData = new TrackMetaData(); + + + /** + * Creates a new AMF0 track from + * + * @param rawSamples + */ + public Amf0Track(Map<Long, byte[]> rawSamples) { + this.rawSamples = new TreeMap<Long, byte[]>(rawSamples); + trackMetaData.setCreationTime(new Date()); + trackMetaData.setModificationTime(new Date()); + trackMetaData.setTimescale(1000); // Text tracks use millieseconds + trackMetaData.setLanguage("eng"); + } + + public List<ByteBuffer> getSamples() { + LinkedList<ByteBuffer> samples = new LinkedList<ByteBuffer>(); + for (byte[] bytes : rawSamples.values()) { + samples.add(ByteBuffer.wrap(bytes)); + } + return samples; + } + + public SampleDescriptionBox getSampleDescriptionBox() { + SampleDescriptionBox stsd = new SampleDescriptionBox(); + ActionMessageFormat0SampleEntryBox amf0 = new ActionMessageFormat0SampleEntryBox(); + amf0.setDataReferenceIndex(1); + stsd.addBox(amf0); + return stsd; + } + + public List<TimeToSampleBox.Entry> getDecodingTimeEntries() { + LinkedList<TimeToSampleBox.Entry> timesToSample = new LinkedList<TimeToSampleBox.Entry>(); + LinkedList<Long> keys = new LinkedList<Long>(rawSamples.keySet()); + Collections.sort(keys); + long lastTimeStamp = 0; + for (Long key : keys) { + long delta = key - lastTimeStamp; + if (timesToSample.size() > 0 && timesToSample.peek().getDelta() == delta) { + timesToSample.peek().setCount(timesToSample.peek().getCount() + 1); + } else { + timesToSample.add(new TimeToSampleBox.Entry(1, delta)); + } + lastTimeStamp = key; + } + return timesToSample; + } + + public List<CompositionTimeToSample.Entry> getCompositionTimeEntries() { + // AMF0 tracks do not have Composition Time + return null; + } + + public long[] getSyncSamples() { + // AMF0 tracks do not have Sync Samples + return null; + } + + public List<SampleDependencyTypeBox.Entry> getSampleDependencies() { + // AMF0 tracks do not have Sample Dependencies + return null; + } + + public TrackMetaData getTrackMetaData() { + return trackMetaData; //To change body of implemented methods use File | Settings | File Templates. + } + + public String getHandler() { + return "data"; + } + + public Box getMediaHeaderBox() { + return new NullMediaHeaderBox(); + } + + public SubSampleInformationBox getSubsampleInformationBox() { + return null; + } + +} |