<Sound Dev> [9] Review Request: 8147407 Provide support of WaveExtensible sound format

Alex Menkov alexey.menkov at oracle.com
Fri Jan 15 10:19:48 UTC 2016


Looks good to me.

On 15.01.2016 02:25, Sergey Bylokhov wrote:
> Hello, Audio Guru.
>
> Please review the fix for jdk9.
> According the specification of WAV format, the WaveExtensible header
> should be used if [1]:
>   - PCM data has more than 16 bits/sample.
>   - The number of channels is more than 2.
>   - The actual number of bits/sample is not equal to the container size.
>   - The mapping from channels to speakers needs to be specified.
>
> Note that our writer contradicts the spec and writes the usual wav_pcm
> header. But after this fix we at least will be able to read such files.
> I am not sure should we right now change current behavior of writer(for
> example similar issue in the sox[2]).

Please file a bug for this.

--alex

>
> [1] http://www-mmsp.ece.mcgill.ca/documents/audioformats/wave/wave.html
> [2] http://sourceforge.net/p/sox/bugs/88/
>
> Bug: https://bugs.openjdk.java.net/browse/JDK-8147407
> Webrev can be found at: http://cr.openjdk.java.net/~serb/8147407/webrev.00
>


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