<Sound Dev> [9] Review Request: 8064800 AudioSystem/WaveFileWriter can't write PCM_FLOAT, but writes it anyway

[Dan Rollo]

Hi Sergey,

Looks great. (I really do like the ‘final’ params too. :)

Dan

> On Jan 7, 2016, at 4:43 PM, Phil Race <philip.race at oracle.com> wrote:
> 
> Looks good to me.
> 
> -phil.
> 
> On 01/07/2016 12:49 PM, Sergey Bylokhov wrote:
>> Hello, Audio Guru.
>> 
>> Please review the fix for jdk9.
>> 
>> Support of the PCM_FLOAT encoding was added to the jdk7, but some important things were forgotten:
>> - The new WaveFloatFileWriter.java was not added to the ./services/javax.sound.sampled.spi.AudioFileWriter, which means that it is never used by the java sound.
>> - The old writers(AiffFileWriter, AuFileWriter, WaveFileWriter) was written in an assumption that they support all possible encoding.
>> 
>> Notes:
>> - In the fix I reused isFileTypeSupported() method which checks the encoding of the stream.
>> - In the test some of the data are commented or skipped: for example we support float&32bits only but we do not check this in the isFileTypeSupported. Same for "channels = AudioSystem.NOT_SPECIFIED" the isFileTypeSupported() returns true but write() method fails, etc. I plan to fix it separately.
>> 
>> +cleanup of the related methods in AudioSystem.java.
>> 
>> Bug: https://bugs.openjdk.java.net/browse/JDK-8064800
>> Webrev can be found at: http://cr.openjdk.java.net/~serb/8064800/webrev.00
>> 
>