M4V magic detection invalid
---------------------------
Key: TIKA-851
URL: https://issues.apache.org/jira/browse/TIKA-851
Project: Tika
Issue Type: Bug
Components: mime
Affects Versions: 1.0
Reporter: Alexander Chow
When the mime type of an M4V file is detected using its name only, it returns
video/x-m4v. When it is detected using the InputStream (hence utilising the
MagicDetector), it incorrectly returns video/quicktime.
Using the sample M4V file from Apple's [knowledge
base|http://support.apple.com/kb/HT1425]:
{code:title=TikaTest.java}
public class TikaTest {
public static void main(String[] args) throws Exception {
String userHome = System.getProperty("user.home");
File file = new File(userHome + "/Desktop/sample_iPod.m4v");
InputStream is = TikaInputStream.get(file);
Detector detector = new DefaultDetector(
MimeTypes.getDefaultMimeTypes());
Metadata metadata = new Metadata();
metadata.set(Metadata.RESOURCE_NAME_KEY, file.getName());
System.out.println("File + filename: " + detector.detect(is,
metadata));
System.out.println("File only: " + detector.detect(is,
new Metadata()));
System.out.println("Filename only: " + detector.detect(null,
metadata));
}
}
{code}
Renders the output:
{code}
File + filename: video/quicktime
File only: video/quicktime
Filename only: video/x-m4v
{code}
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