Hi Alex, On Mon, 24 Sep 2007, Alex Menkov wrote:
> > Klaus Jaensch wrote: > > > It's CR 6477263: JavaSound doesn't support multi-channels on Windows > > > (http://bugs.sun.com/view_bug.do?bug_id=6477263) > > > Feel free to develop a fix for the CR :) > > > > > > > Yes good idea, but I fear building the JDK under Windows, because Sun uses > > old versions of SDK's and Compiler (I do not have VS.NET 2003 and I don't > > want to buy it at eBay). I have already build an older JDK version and it > > was horrible. (Tweaking make files and so on ...) > > Is it possible to compile dsound.dll seperatly with VS 2005 Express ? > > Due the build doc (make/README-builds.html) "VS2005 compiler will not work at > this time due to the new runtime dll and the manifest requirements". :( > I never used VS2005 so I don't know what it requires. > AFAIR there was some free toolkit with VS2003 c++ compiler. Most likely it > should work. > (BTW you need to build jsoundds.dll - see make/javax/sound/jsoundds) > thanks for the hint, but I'm too late for download: "The Visual C++ Toolkit 2003 has been replaced by Visual C++ 2005 Express Edition." Regards, Klaus > > > > Why do you want to keep supported format unchanged? > > > Right way is to change the supported formats (line/mixer should report > > > formats > > > it really supports). > > > > > > > Yes, you are right. But I do not know if it is possible to get the supported > > formats from DirectSound. > > I think the number of capture channels is available, but only when the line > > is open. > > Yes, DirectSound does not provide information about HW capabilities (the > detection was possible in WinMM, but I don't remember is it possible to > determine relations between WinMM & DS devices and I'm not sure WinMM > functions > supports >2 channels). > Anyway I think due DirectSound can handle multi-channel audio, JavaSound > should report it as supported formats (at least for playback, capturing > requires additional research). > > > > > Regards, > > Klaus > > > > > Regards > > > Alex > > > > > > Klaus Jaensch wrote: > > > > Hello, > > > > > > > > I would like to record multi-channel 24-bit audio with the DirectSound > > > > JavaSound implementation under Windows. But the audio formats defined in > > > > > > > > j2se/src/windows/native/com/sun/media/sound/PLATFORM_API_WinOS_DirectSound.cpp > > > > > > > > are limited to 8/16bit and 1 or 2 channels. I would like to discuss how > > > > this limitation could be removed. > > > > > > > > For testing multichannel capabilities of JavaSound I extended > > > > channelsArray > > > > up to 8 channels and bitsArray for 24/32 bit recordings, then compiled > > > > dsound.dll and tested recording. > > > > It worked fine, so it's a pity that the recording formats are restricted > > > > to > > > > basic formats. > > > > > > > > The question is how to make multi-channel possible without changing the > > > > supported defaults formats, which can be queried by > > > > isFormatSupported(AudioFormat). > > > > > > > > Regards, > > > > > > > > Klaus > > > > > > > > ------------------------------------------ > > > > Klaus Jaensch > > > > Muenchen > > > > Germany > > > > > > > > Institut fuer Phonetik und Sprachverarbeitung > > > > Schellingstr.3/II > > > > 80799 München > > > > > > > > EMail: [EMAIL PROTECTED] > > > > ------------------------------------------ > > Klaus Jaensch > > Muenchen > > Germany > > > > Institut fuer Phonetik und Sprachverarbeitung > > Schellingstr.3/II > > 80799 München > > > > Phone (Work): +49-(0)89-2180-2806 > > Fax: +49-(0)89-2180-5790 > > EMail: [EMAIL PROTECTED] > ------------------------------------------ Klaus Jaensch Muenchen Germany Institut fuer Phonetik und Sprachverarbeitung Schellingstr.3/II 80799 München Phone (Work): +49-(0)89-2180-2806 Fax: +49-(0)89-2180-5790 EMail: [EMAIL PROTECTED]
