diff options
Diffstat (limited to 'isoparser/src/main/java/com/coremedia/iso/boxes/.svn/text-base/SampleSizeBox.java.svn-base')
-rw-r--r-- | isoparser/src/main/java/com/coremedia/iso/boxes/.svn/text-base/SampleSizeBox.java.svn-base | 121 |
1 files changed, 121 insertions, 0 deletions
diff --git a/isoparser/src/main/java/com/coremedia/iso/boxes/.svn/text-base/SampleSizeBox.java.svn-base b/isoparser/src/main/java/com/coremedia/iso/boxes/.svn/text-base/SampleSizeBox.java.svn-base new file mode 100644 index 0000000..3bc1df0 --- /dev/null +++ b/isoparser/src/main/java/com/coremedia/iso/boxes/.svn/text-base/SampleSizeBox.java.svn-base @@ -0,0 +1,121 @@ +/* + * 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 static com.googlecode.mp4parser.util.CastUtils.l2i; + +/** + * This box containes the sample count and a table giving the size in bytes of each sample. + * Defined in ISO/IEC 14496-12. + */ +public class SampleSizeBox extends AbstractFullBox { + private long sampleSize; + private long[] sampleSizes = new long[0]; + public static final String TYPE = "stsz"; + int sampleCount; + + public SampleSizeBox() { + super(TYPE); + } + + /** + * Returns the field sample size. + * If sampleSize > 0 every sample has the same size. + * If sampleSize == 0 the samples have different size as stated in the sampleSizes field. + * + * @return the sampleSize field + */ + public long getSampleSize() { + return sampleSize; + } + + public void setSampleSize(long sampleSize) { + this.sampleSize = sampleSize; + } + + + public long getSampleSizeAtIndex(int index) { + if (sampleSize > 0) { + return sampleSize; + } else { + return sampleSizes[index]; + } + } + + public long getSampleCount() { + if (sampleSize > 0) { + return sampleCount; + } else { + return sampleSizes.length; + } + + } + + public long[] getSampleSizes() { + return sampleSizes; + } + + public void setSampleSizes(long[] sampleSizes) { + this.sampleSizes = sampleSizes; + } + + protected long getContentSize() { + return 12 + (sampleSize == 0 ? sampleSizes.length * 4 : 0); + } + + @Override + public void _parseDetails(ByteBuffer content) { + parseVersionAndFlags(content); + sampleSize = IsoTypeReader.readUInt32(content); + sampleCount = l2i(IsoTypeReader.readUInt32(content)); + + if (sampleSize == 0) { + sampleSizes = new long[(int) sampleCount]; + + for (int i = 0; i < sampleCount; i++) { + sampleSizes[i] = IsoTypeReader.readUInt32(content); + } + } + } + + @Override + protected void getContent(ByteBuffer byteBuffer) { + writeVersionAndFlags(byteBuffer); + IsoTypeWriter.writeUInt32(byteBuffer, sampleSize); + + if (sampleSize == 0) { + IsoTypeWriter.writeUInt32(byteBuffer, sampleSizes.length); + for (long sampleSize1 : sampleSizes) { + IsoTypeWriter.writeUInt32(byteBuffer, sampleSize1); + } + } else { + IsoTypeWriter.writeUInt32(byteBuffer, sampleCount); + } + + } + + public String toString() { + return "SampleSizeBox[sampleSize=" + getSampleSize() + ";sampleCount=" + getSampleCount() + "]"; + } +} |