/**
* Parse a WAVE chunk.
*
* @param jhove2 JHOVE2 framework
* @param source WAVE source unit
* @param input WAVE source input
* @return Number of bytes consumed
* @throws EOFException If End-of-File is reached reading the source unit
* @throws IOException If an I/O exception is raised reading the source unit
* @throws JHOVE2Exception
*/
@Override
public long parse(JHOVE2 jhove2, Source source, Input input)
throws EOFException, IOException, JHOVE2Exception {
long consumed = super.parse(jhove2, source, input);
long start = ((MeasurableSource) source).getStartingOffset();
int numErrors = 0;
/* Format category */
this.formatCategory = input.readUnsignedShort();
FormatCategory category = FormatCategory.getFormatCategory(this.formatCategory, jhove2);
if (category != null) {
this.formatCategory_d = category.getCategory();
} else {
numErrors++;
this.isValid = Validity.False;
Object[] args = new Object[] {input.getPosition() - 4L - start, this.formatCategory};
this.invalidFormatCategoryMessage =
new Message(
Severity.ERROR,
Context.OBJECT,
"org.jhove2.module.format.wave.FormatChunk.invalidFormatCategory",
args,
jhove2.getConfigInfo());
}
consumed += 2;
/* Number of channels. */
this.numChannels = input.readUnsignedShort();
consumed += 2;
/* Sampling rate. */
this.samplingRate = input.readUnsignedInt();
consumed += 4;
/* Average bytes per second. */
this.avgBytesPerSec = input.readUnsignedInt();
consumed += 4;
/* Data block size. */
this.dataBlockSize = input.readUnsignedShort();
consumed += 2;
this.bitsPerSample = input.readUnsignedShort();
consumed += 2;
if (this.formatCategory != WAVE_FORMAT_PCM) {
this.extraSize = input.readUnsignedShort();
consumed += 2;
if (this.formatCategory == WAVE_FORMAT_MPEG) {
this.mpeg = new MPEGFormatHeader();
consumed += this.mpeg.parse(jhove2, source, input);
}
}
return consumed;
}
/*
* (non-Javadoc)
*
* @see
* org.jhove2.module.format.tiff.profile.TiffProfile#validateThisProfile()
*/
@Override
public void validateThisProfile(JHOVE2 jhove2, TiffIFD ifd) throws JHOVE2Exception {
/* Check required tags. */
super.validateThisProfile(jhove2, ifd);
/* Check required values. */
if (!isNewSubfileTypeValid(ifd, 0)) {
this.invalidNewSubfileTypeMessage =
new Message(
Severity.WARNING,
Context.OBJECT,
"org.jhove2.module.format.tiff.profile.TIFFITProfile.InvalidNewSubfileTypeMessage",
jhove2.getConfigInfo());
}
if (!isCompressionValid(ifd, 1)) {
this.isValid = Validity.False;
Object[] args = new Object[] {1};
this.invalidCompressionValueMessage =
new Message(
Severity.WARNING,
Context.OBJECT,
"org.jhove2.module.format.tiff.profile.TIFFITProfile.InvalidCompressionValueMessage",
args,
jhove2.getConfigInfo());
}
if (!isPhotometricInterpretationValid(ifd, 0)) {
this.isValid = Validity.False;
this.invalidPhotometricInterpretationValueMessage =
new Message(
Severity.WARNING,
Context.OBJECT,
"org.jhove2.module.format.tiff.profile.TIFFProfile.InvalidPhotometricInterpretationValueMessage",
jhove2.getConfigInfo());
}
if (!isSamplesPerPixelValid(ifd, 1)) {
this.isValid = Validity.False;
Object[] args = new Object[] {1};
this.invalidSPPValueMessage =
new Message(
Severity.WARNING,
Context.OBJECT,
"org.jhove2.module.format.tiff.profile.TIFFITProfile.InvalidSPPValueMessage",
args,
jhove2.getConfigInfo());
}
if (!isResolutionUnitValid(ifd, new int[] {2, 3})) {
this.isValid = Validity.False;
this.invalidResolutionUnitValueMessage =
new Message(
Severity.WARNING,
Context.OBJECT,
"org.jhove2.module.format.tiff.profile.TIFFProfile.InvalidResolutionUnitValueMessage",
jhove2.getConfigInfo());
}
int[] validValues;
/* ImageColorIndicator=1, but only if ImageColorValue is defined */
if ((ifd.getEntries().get(TiffIFD.IMAGECOLORVALUE)) != null) validValues = new int[] {1};
else {
/* ImageColorIndicator=0,1,2 */
validValues = new int[] {0, 1, 2};
}
if (!isImageColorIndicatorValid(ifd, validValues)) {
this.isValid = Validity.False;
this.invalidImageColorIndicatorMessage =
new Message(
Severity.WARNING,
Context.OBJECT,
"org.jhove2.module.format.tiff.profile.TIFFITProfile.InvalidImageColorIndicatorMessage",
jhove2.getConfigInfo());
}
/*
* BackgroundColorIndicator=0,1, or 2; BackgroundColorIndicator=1, but
* only if BackgroundColorValue is defined.
*/
if ((ifd.getEntries().get(TiffIFD.BACKGROUNDCOLORVALUE)) != null) {
validValues = new int[] {1};
} else {
validValues = new int[] {0, 1, 2};
}
if (!isBackgroundColorIndicatorValid(ifd, validValues)) {
this.isValid = Validity.False;
this.invalidBackgroundColorIndicatorMessage =
new Message(
Severity.WARNING,
Context.OBJECT,
"org.jhove2.module.format.tiff.profile.TIFFITProfile.InvalidBackgroundColorIndicatorMessage",
jhove2.getConfigInfo());
}
/* Tags which must NOT be defined */
IFDEntry entry = null;
if ((entry = ifd.getEntries().get(TiffIFD.DOCUMENTNAME)) != null) {
this.isValid = Validity.False;
Object[] args = new Object[] {entry.getName()};
this.tagShouldNotBePresentMessage =
new Message(
Severity.WARNING,
Context.OBJECT,
"org.jhove2.module.format.tiff.profile.TIFFProfile.tagShouldNotBePresentMessage",
args,
jhove2.getConfigInfo());
}
if ((entry = ifd.getEntries().get(TiffIFD.MODEL)) != null) {
this.isValid = Validity.False;
Object[] args = new Object[] {entry.getName()};
this.tagShouldNotBePresentMessage =
new Message(
Severity.WARNING,
Context.OBJECT,
"org.jhove2.module.format.tiff.profile.TIFFProfile.tagShouldNotBePresentMessage",
args,
jhove2.getConfigInfo());
}
if ((entry = ifd.getEntries().get(TiffIFD.PAGENAME)) != null) {
this.isValid = Validity.False;
Object[] args = new Object[] {entry.getName()};
this.tagShouldNotBePresentMessage =
new Message(
Severity.WARNING,
Context.OBJECT,
"org.jhove2.module.format.tiff.profile.TIFFProfile.tagShouldNotBePresentMessage",
args,
jhove2.getConfigInfo());
}
if ((entry = ifd.getEntries().get(TiffIFD.HOSTCOMPUTER)) != null) {
this.isValid = Validity.False;
Object[] args = new Object[] {entry.getName()};
this.tagShouldNotBePresentMessage =
new Message(
Severity.WARNING,
Context.OBJECT,
"org.jhove2.module.format.tiff.profile.TIFFProfile.tagShouldNotBePresentMessage",
args,
jhove2.getConfigInfo());
}
if ((entry = ifd.getEntries().get(TiffIFD.SITE)) != null) {
this.isValid = Validity.False;
Object[] args = new Object[] {entry.getName()};
this.tagShouldNotBePresentMessage =
new Message(
Severity.WARNING,
Context.OBJECT,
"org.jhove2.module.format.tiff.profile.TIFFProfile.tagShouldNotBePresentMessage",
args,
jhove2.getConfigInfo());
}
if ((entry = ifd.getEntries().get(TiffIFD.COLORSEQUENCE)) != null) {
this.isValid = Validity.False;
Object[] args = new Object[] {entry.getName()};
this.tagShouldNotBePresentMessage =
new Message(
Severity.WARNING,
Context.OBJECT,
"org.jhove2.module.format.tiff.profile.TIFFProfile.tagShouldNotBePresentMessage",
args,
jhove2.getConfigInfo());
}
if ((entry = ifd.getEntries().get(TiffIFD.IT8HEADER)) != null) {
this.isValid = Validity.False;
Object[] args = new Object[] {entry.getName()};
this.tagShouldNotBePresentMessage =
new Message(
Severity.WARNING,
Context.OBJECT,
"org.jhove2.module.format.tiff.profile.TIFFProfile.tagShouldNotBePresentMessage",
args,
jhove2.getConfigInfo());
}
}