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Bug 193 - Audacity can't record at > 16-bit under MME or Windows DirectSound

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Fix by Uwe and Carsten of DirectSound issue (only).  We can't interrogate for formats, so we use userData to tell PortAudio what the format should be.  I have a 16 bit built in sound device and that continues to function correctly at 16 bit with 24 bit requested.  Unable to test on a 24 bit device.
This commit is contained in:
James Crook
2016-07-05 11:56:04 +01:00
parent 2e63a0ad37
commit 18eb2bbc7a
2 changed files with 27 additions and 2 deletions
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9
lib-src/portaudio-v19/src/hostapi/dsound/pa_win_ds.c
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@@ -2046,9 +2046,18 @@ static PaError OpenStream( struct PaUtilHostApiRepresentation *hostApi,
if( inputParameters )
{
/* IMPLEMENT ME - establish which host formats are available */
/* JKC: CAN'T IMPLEMENT. DirectSound does not have a way */
/* to interrogate for formats */
PaSampleFormat nativeInputFormats = paInt16;
/* PaSampleFormat nativeFormats = paUInt8 | paInt16 | paInt24 | paInt32 | paFloat32; */
/* July 2016 (Carsten and Uwe)
* http://bugzilla.audacityteam.org/show_bug.cgi?id=193
* Now we may over ride the paInt16.
*/
if (userData && *((int*)userData) == 24)
nativeInputFormats = paInt24;
hostInputSampleFormat =
PaUtil_SelectClosestAvailableFormat( nativeInputFormats, inputParameters->sampleFormat );
}