<Sound Dev> [10] Review Request: 8191384 WaveFloatFileReader never closes the data stream

Dan Rollo danrollo at gmail.com
Mon Nov 20 00:27:04 UTC 2017

Hi Sergey,



> On Nov 19, 2017, at 2:58 AM, Sergey Bylokhov <Sergey.Bylokhov at oracle.com> wrote:
> Hi, Thank you for review.
> Yes, you are right, I used my standard template to cover over most possible configurations and missed the case when the frameLength is not specified, the fix is updated:
> http://cr.openjdk.java.net/~serb/8191384/webrev.01
> On 17/11/2017 13:27, Dan Rollo wrote:
>> Hi Sergey,
>> Overall looks good to me.
>> I’m a little confused by the main() test loop:
>> 115                         test(afw, afr, type, getStream(from, true));
>> Did you also intended to call (frameLength = NOT_SPECIFIED), to would be:
>> test(afw, afr, type, getStream(from, true));
>> test(afw, afr, type, getStream(from, false));
>> Otherwise, I don’t see where getStream(…, false) is used.
>> -Dan
>>> On Nov 17, 2017, at 3:11 AM, Sergey Bylokhov <Sergey.Bylokhov at oracle.com> wrote:
>>> Hello, Audio Guru.
>>> Please review the fix for jdk10.
>>> Bug: https://bugs.openjdk.java.net/browse/JDK-8191384
>>> Webrev can be found at: http://cr.openjdk.java.net/~serb/8191384/webrev
>>> The bug occurs in the next code in WaveFloatFileReader.java:
>>>    final RIFFReader riffiterator = new RIFFReader(stream);
>>>    while (riffiterator.hasNextChunk()) {
>>>       RIFFReader chunk = riffiterator.nextChunk();
>>>       if (chunk.getFormat().equals("data")) {
>>>           return new AudioInputStream(chunk, af, length);
>>>       }
>>>    }
>>> In the code below we create a RIFFReader for the file stream, then iterates over the chunks to find a data chunk and create an AudioInputStream.
>>> The problem is that the chunk has noop close() method, so if the user will try to close AudioInputStream, the close() method of the file stream will not be called.
>>> In the fix the close() method for the chunk was changed and now it always close the stream on top of which it was created.
>>> I also checked that this RIFFReader.close() method was never called in our code(except the tests), its probably a reason why the NPE when it is called twice was not found.
>>> -- 
>>> Best regards, Sergey.
> -- 
> Best regards, Sergey.

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