diff options
Diffstat (limited to 'isoparser/src/main/java/com/coremedia/iso/boxes/fragment/TrackFragmentHeaderBox.java')
| -rw-r--r-- | isoparser/src/main/java/com/coremedia/iso/boxes/fragment/TrackFragmentHeaderBox.java | 224 |
1 files changed, 224 insertions, 0 deletions
diff --git a/isoparser/src/main/java/com/coremedia/iso/boxes/fragment/TrackFragmentHeaderBox.java b/isoparser/src/main/java/com/coremedia/iso/boxes/fragment/TrackFragmentHeaderBox.java new file mode 100644 index 0000000..fb9509b --- /dev/null +++ b/isoparser/src/main/java/com/coremedia/iso/boxes/fragment/TrackFragmentHeaderBox.java @@ -0,0 +1,224 @@ +/* + * Copyright 2009 castLabs GmbH, Berlin + * + * 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.fragment; + +import com.coremedia.iso.IsoTypeReader; +import com.coremedia.iso.IsoTypeWriter; +import com.googlecode.mp4parser.AbstractFullBox; + +import java.nio.ByteBuffer; + +/** + * aligned(8) class TrackFragmentHeaderBox + * extends FullBox('tfhd', 0, tf_flags){ + * unsigned int(32) track_ID; + * // all the following are optional fields + * unsigned int(64) base_data_offset; + * unsigned int(32) sample_description_index; + * unsigned int(32) default_sample_duration; + * unsigned int(32) default_sample_size; + * unsigned int(32) default_sample_flags + * } + */ +public class TrackFragmentHeaderBox extends AbstractFullBox { + public static final String TYPE = "tfhd"; + + private long trackId; + private long baseDataOffset = -1; + private long sampleDescriptionIndex; + private long defaultSampleDuration = -1; + private long defaultSampleSize = -1; + private SampleFlags defaultSampleFlags; + private boolean durationIsEmpty; + + public TrackFragmentHeaderBox() { + super(TYPE); + } + + protected long getContentSize() { + long size = 8; + int flags = getFlags(); + if ((flags & 0x1) == 1) { //baseDataOffsetPresent + size += 8; + } + if ((flags & 0x2) == 0x2) { //sampleDescriptionIndexPresent + size += 4; + } + if ((flags & 0x8) == 0x8) { //defaultSampleDurationPresent + size += 4; + } + if ((flags & 0x10) == 0x10) { //defaultSampleSizePresent + size += 4; + } + if ((flags & 0x20) == 0x20) { //defaultSampleFlagsPresent + size += 4; + } + return size; + } + + + protected void getContent(ByteBuffer byteBuffer) { + writeVersionAndFlags(byteBuffer); + IsoTypeWriter.writeUInt32(byteBuffer, trackId); + + if ((getFlags() & 0x1) == 1) { //baseDataOffsetPresent + IsoTypeWriter.writeUInt64(byteBuffer, getBaseDataOffset()); + } + if ((getFlags() & 0x2) == 0x2) { //sampleDescriptionIndexPresent + IsoTypeWriter.writeUInt32(byteBuffer, getSampleDescriptionIndex()); + } + if ((getFlags() & 0x8) == 0x8) { //defaultSampleDurationPresent + IsoTypeWriter.writeUInt32(byteBuffer, getDefaultSampleDuration()); + } + if ((getFlags() & 0x10) == 0x10) { //defaultSampleSizePresent + IsoTypeWriter.writeUInt32(byteBuffer, getDefaultSampleSize()); + } + if ((getFlags() & 0x20) == 0x20) { //defaultSampleFlagsPresent + defaultSampleFlags.getContent(byteBuffer); + } + } + + @Override + public void _parseDetails(ByteBuffer content) { + parseVersionAndFlags(content); + trackId = IsoTypeReader.readUInt32(content); + if ((getFlags() & 0x1) == 1) { //baseDataOffsetPresent + baseDataOffset = IsoTypeReader.readUInt64(content); + } + if ((getFlags() & 0x2) == 0x2) { //sampleDescriptionIndexPresent + sampleDescriptionIndex = IsoTypeReader.readUInt32(content); + } + if ((getFlags() & 0x8) == 0x8) { //defaultSampleDurationPresent + defaultSampleDuration = IsoTypeReader.readUInt32(content); + } + if ((getFlags() & 0x10) == 0x10) { //defaultSampleSizePresent + defaultSampleSize = IsoTypeReader.readUInt32(content); + } + if ((getFlags() & 0x20) == 0x20) { //defaultSampleFlagsPresent + defaultSampleFlags = new SampleFlags(content); + } + if ((getFlags() & 0x10000) == 0x10000) { //durationIsEmpty + durationIsEmpty = true; + } + } + + public boolean hasBaseDataOffset() { + return (getFlags() & 0x1) != 0; + } + + public boolean hasSampleDescriptionIndex() { + return (getFlags() & 0x2) != 0; + } + + public boolean hasDefaultSampleDuration() { + return (getFlags() & 0x8) != 0; + } + + public boolean hasDefaultSampleSize() { + return (getFlags() & 0x10) != 0; + } + + public boolean hasDefaultSampleFlags() { + return (getFlags() & 0x20) != 0; + } + + public long getTrackId() { + return trackId; + } + + public long getBaseDataOffset() { + return baseDataOffset; + } + + public long getSampleDescriptionIndex() { + return sampleDescriptionIndex; + } + + public long getDefaultSampleDuration() { + return defaultSampleDuration; + } + + public long getDefaultSampleSize() { + return defaultSampleSize; + } + + public SampleFlags getDefaultSampleFlags() { + return defaultSampleFlags; + } + + public boolean isDurationIsEmpty() { + return durationIsEmpty; + } + + public void setTrackId(long trackId) { + this.trackId = trackId; + } + + public void setBaseDataOffset(long baseDataOffset) { + if (baseDataOffset == -1) { + setFlags(getFlags() & (Integer.MAX_VALUE ^ 0x1)); + } else { + setFlags(getFlags() | 0x1); // activate the field + } + this.baseDataOffset = baseDataOffset; + } + + public void setSampleDescriptionIndex(long sampleDescriptionIndex) { + if (sampleDescriptionIndex == -1) { + setFlags(getFlags() & (Integer.MAX_VALUE ^ 0x2)); + } else { + setFlags(getFlags() | 0x2); // activate the field + } + this.sampleDescriptionIndex = sampleDescriptionIndex; + } + + public void setDefaultSampleDuration(long defaultSampleDuration) { + setFlags(getFlags() | 0x8); // activate the field + this.defaultSampleDuration = defaultSampleDuration; + } + + public void setDefaultSampleSize(long defaultSampleSize) { + setFlags(getFlags() | 0x10); // activate the field + this.defaultSampleSize = defaultSampleSize; + } + + public void setDefaultSampleFlags(SampleFlags defaultSampleFlags) { + setFlags(getFlags() | 0x20); // activate the field + this.defaultSampleFlags = defaultSampleFlags; + } + + public void setDurationIsEmpty(boolean durationIsEmpty) { + setFlags(getFlags() | 0x10000); // activate the field + this.durationIsEmpty = durationIsEmpty; + } + + @Override + public String toString() { + final StringBuilder sb = new StringBuilder(); + sb.append("TrackFragmentHeaderBox"); + sb.append("{trackId=").append(trackId); + sb.append(", baseDataOffset=").append(baseDataOffset); + sb.append(", sampleDescriptionIndex=").append(sampleDescriptionIndex); + sb.append(", defaultSampleDuration=").append(defaultSampleDuration); + sb.append(", defaultSampleSize=").append(defaultSampleSize); + sb.append(", defaultSampleFlags=").append(defaultSampleFlags); + sb.append(", durationIsEmpty=").append(durationIsEmpty); + sb.append('}'); + return sb.toString(); + } + +} |