diff options
Diffstat (limited to 'isoparser/src/main/java/com/googlecode/mp4parser/authoring/tracks/.svn/text-base/AppendTrack.java.svn-base')
| -rw-r--r-- | isoparser/src/main/java/com/googlecode/mp4parser/authoring/tracks/.svn/text-base/AppendTrack.java.svn-base | 348 |
1 files changed, 0 insertions, 348 deletions
diff --git a/isoparser/src/main/java/com/googlecode/mp4parser/authoring/tracks/.svn/text-base/AppendTrack.java.svn-base b/isoparser/src/main/java/com/googlecode/mp4parser/authoring/tracks/.svn/text-base/AppendTrack.java.svn-base deleted file mode 100644 index 93ee0cd..0000000 --- a/isoparser/src/main/java/com/googlecode/mp4parser/authoring/tracks/.svn/text-base/AppendTrack.java.svn-base +++ /dev/null @@ -1,348 +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.tracks; - -import com.coremedia.iso.boxes.*; -import com.coremedia.iso.boxes.sampleentry.AudioSampleEntry; -import com.googlecode.mp4parser.authoring.AbstractTrack; -import com.googlecode.mp4parser.authoring.Track; -import com.googlecode.mp4parser.authoring.TrackMetaData; -import com.googlecode.mp4parser.boxes.mp4.ESDescriptorBox; -import com.googlecode.mp4parser.boxes.mp4.objectdescriptors.DecoderConfigDescriptor; -import com.googlecode.mp4parser.boxes.mp4.objectdescriptors.ESDescriptor; - -import java.io.ByteArrayOutputStream; -import java.io.IOException; -import java.nio.ByteBuffer; -import java.nio.channels.Channels; -import java.util.*; - -/** - * Appends two or more <code>Tracks</code> of the same type. No only that the type must be equal - * also the decoder settings must be the same. - */ -public class AppendTrack extends AbstractTrack { - Track[] tracks; - SampleDescriptionBox stsd; - - public AppendTrack(Track... tracks) throws IOException { - this.tracks = tracks; - - for (Track track : tracks) { - - if (stsd == null) { - stsd = track.getSampleDescriptionBox(); - } else { - ByteArrayOutputStream curBaos = new ByteArrayOutputStream(); - ByteArrayOutputStream refBaos = new ByteArrayOutputStream(); - track.getSampleDescriptionBox().getBox(Channels.newChannel(curBaos)); - stsd.getBox(Channels.newChannel(refBaos)); - byte[] cur = curBaos.toByteArray(); - byte[] ref = refBaos.toByteArray(); - - if (!Arrays.equals(ref, cur)) { - SampleDescriptionBox curStsd = track.getSampleDescriptionBox(); - if (stsd.getBoxes().size() == 1 && curStsd.getBoxes().size() == 1) { - if (stsd.getBoxes().get(0) instanceof AudioSampleEntry && curStsd.getBoxes().get(0) instanceof AudioSampleEntry) { - AudioSampleEntry aseResult = mergeAudioSampleEntries((AudioSampleEntry) stsd.getBoxes().get(0), (AudioSampleEntry) curStsd.getBoxes().get(0)); - if (aseResult != null) { - stsd.setBoxes(Collections.<Box>singletonList(aseResult)); - return; - } - } - } - throw new IOException("Cannot append " + track + " to " + tracks[0] + " since their Sample Description Boxes differ: \n" + track.getSampleDescriptionBox() + "\n vs. \n" + tracks[0].getSampleDescriptionBox()); - } - } - } - } - - private AudioSampleEntry mergeAudioSampleEntries(AudioSampleEntry ase1, AudioSampleEntry ase2) throws IOException { - if (ase1.getType().equals(ase2.getType())) { - AudioSampleEntry ase = new AudioSampleEntry(ase2.getType()); - if (ase1.getBytesPerFrame() == ase2.getBytesPerFrame()) { - ase.setBytesPerFrame(ase1.getBytesPerFrame()); - } else { - return null; - } - if (ase1.getBytesPerPacket() == ase2.getBytesPerPacket()) { - ase.setBytesPerPacket(ase1.getBytesPerPacket()); - } else { - return null; - } - if (ase1.getBytesPerSample() == ase2.getBytesPerSample()) { - ase.setBytesPerSample(ase1.getBytesPerSample()); - } else { - return null; - } - if (ase1.getChannelCount() == ase2.getChannelCount()) { - ase.setChannelCount(ase1.getChannelCount()); - } else { - return null; - } - if (ase1.getPacketSize() == ase2.getPacketSize()) { - ase.setPacketSize(ase1.getPacketSize()); - } else { - return null; - } - if (ase1.getCompressionId() == ase2.getCompressionId()) { - ase.setCompressionId(ase1.getCompressionId()); - } else { - return null; - } - if (ase1.getSampleRate() == ase2.getSampleRate()) { - ase.setSampleRate(ase1.getSampleRate()); - } else { - return null; - } - if (ase1.getSampleSize() == ase2.getSampleSize()) { - ase.setSampleSize(ase1.getSampleSize()); - } else { - return null; - } - if (ase1.getSamplesPerPacket() == ase2.getSamplesPerPacket()) { - ase.setSamplesPerPacket(ase1.getSamplesPerPacket()); - } else { - return null; - } - if (ase1.getSoundVersion() == ase2.getSoundVersion()) { - ase.setSoundVersion(ase1.getSoundVersion()); - } else { - return null; - } - if (Arrays.equals(ase1.getSoundVersion2Data(), ase2.getSoundVersion2Data())) { - ase.setSoundVersion2Data(ase1.getSoundVersion2Data()); - } else { - return null; - } - if (ase1.getBoxes().size() == ase2.getBoxes().size()) { - Iterator<Box> bxs1 = ase1.getBoxes().iterator(); - Iterator<Box> bxs2 = ase2.getBoxes().iterator(); - while (bxs1.hasNext()) { - Box cur1 = bxs1.next(); - Box cur2 = bxs2.next(); - ByteArrayOutputStream baos1 = new ByteArrayOutputStream(); - ByteArrayOutputStream baos2 = new ByteArrayOutputStream(); - cur1.getBox(Channels.newChannel(baos1)); - cur2.getBox(Channels.newChannel(baos2)); - if (Arrays.equals(baos1.toByteArray(), baos2.toByteArray())) { - ase.addBox(cur1); - } else { - if (ESDescriptorBox.TYPE.equals(cur1.getType()) && ESDescriptorBox.TYPE.equals(cur2.getType())) { - ESDescriptorBox esdsBox1 = (ESDescriptorBox) cur1; - ESDescriptorBox esdsBox2 = (ESDescriptorBox) cur2; - ESDescriptor esds1 = esdsBox1.getEsDescriptor(); - ESDescriptor esds2 = esdsBox2.getEsDescriptor(); - if (esds1.getURLFlag() != esds2.getURLFlag()) { - return null; - } - if (esds1.getURLLength() != esds2.getURLLength()) { - return null; - } - if (esds1.getDependsOnEsId() != esds2.getDependsOnEsId()) { - return null; - } - if (esds1.getEsId() != esds2.getEsId()) { - return null; - } - if (esds1.getoCREsId() != esds2.getoCREsId()) { - return null; - } - if (esds1.getoCRstreamFlag() != esds2.getoCRstreamFlag()) { - return null; - } - if (esds1.getRemoteODFlag() != esds2.getRemoteODFlag()) { - return null; - } - if (esds1.getStreamDependenceFlag() != esds2.getStreamDependenceFlag()) { - return null; - } - if (esds1.getStreamPriority() != esds2.getStreamPriority()) { - return null; - } - if (esds1.getURLString() != null ? !esds1.getURLString().equals(esds2.getURLString()) : esds2.getURLString() != null) { - return null; - } - if (esds1.getDecoderConfigDescriptor() != null ? !esds1.getDecoderConfigDescriptor().equals(esds2.getDecoderConfigDescriptor()) : esds2.getDecoderConfigDescriptor() != null) { - DecoderConfigDescriptor dcd1 = esds1.getDecoderConfigDescriptor(); - DecoderConfigDescriptor dcd2 = esds2.getDecoderConfigDescriptor(); - if (!dcd1.getAudioSpecificInfo().equals(dcd2.getAudioSpecificInfo())) { - return null; - } - if (dcd1.getAvgBitRate() != dcd2.getAvgBitRate()) { - // I don't care - } - if (dcd1.getBufferSizeDB() != dcd2.getBufferSizeDB()) { - // I don't care - } - - if (dcd1.getDecoderSpecificInfo() != null ? !dcd1.getDecoderSpecificInfo().equals(dcd2.getDecoderSpecificInfo()) : dcd2.getDecoderSpecificInfo() != null) { - return null; - } - - if (dcd1.getMaxBitRate() != dcd2.getMaxBitRate()) { - // I don't care - } - if (!dcd1.getProfileLevelIndicationDescriptors().equals(dcd2.getProfileLevelIndicationDescriptors())) { - return null; - } - - if (dcd1.getObjectTypeIndication() != dcd2.getObjectTypeIndication()) { - return null; - } - if (dcd1.getStreamType() != dcd2.getStreamType()) { - return null; - } - if (dcd1.getUpStream() != dcd2.getUpStream()) { - return null; - } - - - } - if (esds1.getOtherDescriptors() != null ? !esds1.getOtherDescriptors().equals(esds2.getOtherDescriptors()) : esds2.getOtherDescriptors() != null) { - return null; - } - if (esds1.getSlConfigDescriptor() != null ? !esds1.getSlConfigDescriptor().equals(esds2.getSlConfigDescriptor()) : esds2.getSlConfigDescriptor() != null) { - return null; - } - ase.addBox(cur1); - } - } - } - } - return ase; - } else { - return null; - } - - - } - - - public List<ByteBuffer> getSamples() { - ArrayList<ByteBuffer> lists = new ArrayList<ByteBuffer>(); - - for (Track track : tracks) { - lists.addAll(track.getSamples()); - } - - return lists; - } - - public SampleDescriptionBox getSampleDescriptionBox() { - return stsd; - } - - public List<TimeToSampleBox.Entry> getDecodingTimeEntries() { - if (tracks[0].getDecodingTimeEntries() != null && !tracks[0].getDecodingTimeEntries().isEmpty()) { - List<long[]> lists = new LinkedList<long[]>(); - for (Track track : tracks) { - lists.add(TimeToSampleBox.blowupTimeToSamples(track.getDecodingTimeEntries())); - } - - LinkedList<TimeToSampleBox.Entry> returnDecodingEntries = new LinkedList<TimeToSampleBox.Entry>(); - for (long[] list : lists) { - for (long nuDecodingTime : list) { - if (returnDecodingEntries.isEmpty() || returnDecodingEntries.getLast().getDelta() != nuDecodingTime) { - TimeToSampleBox.Entry e = new TimeToSampleBox.Entry(1, nuDecodingTime); - returnDecodingEntries.add(e); - } else { - TimeToSampleBox.Entry e = returnDecodingEntries.getLast(); - e.setCount(e.getCount() + 1); - } - } - } - return returnDecodingEntries; - } else { - return null; - } - } - - public List<CompositionTimeToSample.Entry> getCompositionTimeEntries() { - if (tracks[0].getCompositionTimeEntries() != null && !tracks[0].getCompositionTimeEntries().isEmpty()) { - List<int[]> lists = new LinkedList<int[]>(); - for (Track track : tracks) { - lists.add(CompositionTimeToSample.blowupCompositionTimes(track.getCompositionTimeEntries())); - } - LinkedList<CompositionTimeToSample.Entry> compositionTimeEntries = new LinkedList<CompositionTimeToSample.Entry>(); - for (int[] list : lists) { - for (int compositionTime : list) { - if (compositionTimeEntries.isEmpty() || compositionTimeEntries.getLast().getOffset() != compositionTime) { - CompositionTimeToSample.Entry e = new CompositionTimeToSample.Entry(1, compositionTime); - compositionTimeEntries.add(e); - } else { - CompositionTimeToSample.Entry e = compositionTimeEntries.getLast(); - e.setCount(e.getCount() + 1); - } - } - } - return compositionTimeEntries; - } else { - return null; - } - } - - public long[] getSyncSamples() { - if (tracks[0].getSyncSamples() != null && tracks[0].getSyncSamples().length > 0) { - int numSyncSamples = 0; - for (Track track : tracks) { - numSyncSamples += track.getSyncSamples().length; - } - long[] returnSyncSamples = new long[numSyncSamples]; - - int pos = 0; - long samplesBefore = 0; - for (Track track : tracks) { - for (long l : track.getSyncSamples()) { - returnSyncSamples[pos++] = samplesBefore + l; - } - samplesBefore += track.getSamples().size(); - } - return returnSyncSamples; - } else { - return null; - } - } - - public List<SampleDependencyTypeBox.Entry> getSampleDependencies() { - if (tracks[0].getSampleDependencies() != null && !tracks[0].getSampleDependencies().isEmpty()) { - List<SampleDependencyTypeBox.Entry> list = new LinkedList<SampleDependencyTypeBox.Entry>(); - for (Track track : tracks) { - list.addAll(track.getSampleDependencies()); - } - return list; - } else { - return null; - } - } - - public TrackMetaData getTrackMetaData() { - return tracks[0].getTrackMetaData(); - } - - public String getHandler() { - return tracks[0].getHandler(); - } - - public Box getMediaHeaderBox() { - return tracks[0].getMediaHeaderBox(); - } - - public SubSampleInformationBox getSubsampleInformationBox() { - return tracks[0].getSubsampleInformationBox(); - } - -} |