diff options
Diffstat (limited to 'isoparser/src/main/java/com/coremedia/iso/boxes/.svn/text-base/SampleToChunkBox.java.svn-base')
-rw-r--r-- | isoparser/src/main/java/com/coremedia/iso/boxes/.svn/text-base/SampleToChunkBox.java.svn-base | 156 |
1 files changed, 0 insertions, 156 deletions
diff --git a/isoparser/src/main/java/com/coremedia/iso/boxes/.svn/text-base/SampleToChunkBox.java.svn-base b/isoparser/src/main/java/com/coremedia/iso/boxes/.svn/text-base/SampleToChunkBox.java.svn-base deleted file mode 100644 index 593504d..0000000 --- a/isoparser/src/main/java/com/coremedia/iso/boxes/.svn/text-base/SampleToChunkBox.java.svn-base +++ /dev/null @@ -1,156 +0,0 @@ -/* - * Copyright 2008 CoreMedia AG, 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.coremedia.iso.boxes; - -import com.coremedia.iso.IsoTypeReader; -import com.coremedia.iso.IsoTypeWriter; -import com.googlecode.mp4parser.AbstractFullBox; - -import java.nio.ByteBuffer; -import java.util.ArrayList; -import java.util.Collections; -import java.util.Iterator; -import java.util.LinkedList; -import java.util.List; - -import static com.googlecode.mp4parser.util.CastUtils.l2i; - -/** - * Samples within the media data are grouped into chunks. Chunks can be of different sizes, and the - * samples within a chunk can have different sizes. This table can be used to find the chunk that - * contains a sample, its position, and the associated sample description. Defined in ISO/IEC 14496-12. - */ -public class SampleToChunkBox extends AbstractFullBox { - List<Entry> entries = Collections.emptyList(); - - public static final String TYPE = "stsc"; - - public SampleToChunkBox() { - super(TYPE); - } - - public List<Entry> getEntries() { - return entries; - } - - public void setEntries(List<Entry> entries) { - this.entries = entries; - } - - protected long getContentSize() { - return entries.size() * 12 + 8; - } - - @Override - public void _parseDetails(ByteBuffer content) { - parseVersionAndFlags(content); - - int entryCount = l2i(IsoTypeReader.readUInt32(content)); - entries = new ArrayList<Entry>(entryCount); - for (int i = 0; i < entryCount; i++) { - entries.add(new Entry( - IsoTypeReader.readUInt32(content), - IsoTypeReader.readUInt32(content), - IsoTypeReader.readUInt32(content))); - } - } - - @Override - protected void getContent(ByteBuffer byteBuffer) { - writeVersionAndFlags(byteBuffer); - IsoTypeWriter.writeUInt32(byteBuffer, entries.size()); - for (Entry entry : entries) { - IsoTypeWriter.writeUInt32(byteBuffer, entry.getFirstChunk()); - IsoTypeWriter.writeUInt32(byteBuffer, entry.getSamplesPerChunk()); - IsoTypeWriter.writeUInt32(byteBuffer, entry.getSampleDescriptionIndex()); - } - } - - public String toString() { - return "SampleToChunkBox[entryCount=" + entries.size() + "]"; - } - - /** - * Decompresses the list of entries and returns the number of samples per chunk for - * every single chunk. - * - * @param chunkCount overall number of chunks - * @return number of samples per chunk - */ - public long[] blowup(int chunkCount) { - long[] numberOfSamples = new long[chunkCount]; - int j = 0; - List<SampleToChunkBox.Entry> sampleToChunkEntries = new LinkedList<Entry>(entries); - Collections.reverse(sampleToChunkEntries); - Iterator<Entry> iterator = sampleToChunkEntries.iterator(); - SampleToChunkBox.Entry currentEntry = iterator.next(); - - for (int i = numberOfSamples.length; i > 1; i--) { - numberOfSamples[i - 1] = currentEntry.getSamplesPerChunk(); - if (i == currentEntry.getFirstChunk()) { - currentEntry = iterator.next(); - } - } - numberOfSamples[0] = currentEntry.getSamplesPerChunk(); - return numberOfSamples; - } - - public static class Entry { - long firstChunk; - long samplesPerChunk; - long sampleDescriptionIndex; - - public Entry(long firstChunk, long samplesPerChunk, long sampleDescriptionIndex) { - this.firstChunk = firstChunk; - this.samplesPerChunk = samplesPerChunk; - this.sampleDescriptionIndex = sampleDescriptionIndex; - } - - public long getFirstChunk() { - return firstChunk; - } - - public void setFirstChunk(long firstChunk) { - this.firstChunk = firstChunk; - } - - public long getSamplesPerChunk() { - return samplesPerChunk; - } - - public void setSamplesPerChunk(long samplesPerChunk) { - this.samplesPerChunk = samplesPerChunk; - } - - public long getSampleDescriptionIndex() { - return sampleDescriptionIndex; - } - - public void setSampleDescriptionIndex(long sampleDescriptionIndex) { - this.sampleDescriptionIndex = sampleDescriptionIndex; - } - - @Override - public String toString() { - return "Entry{" + - "firstChunk=" + firstChunk + - ", samplesPerChunk=" + samplesPerChunk + - ", sampleDescriptionIndex=" + sampleDescriptionIndex + - '}'; - } - } -} |