From: dmitrykos <dmitrykos@0f58301d-fd10-0410-b4af-bbb618454e57>
Date: Sat, 6 Nov 2010 01:16:34 +0000 (+0000)
Subject: wasapi: fixed audio stream failing to open on Windows 7 in Exclusive mode if suggeste... 
X-Git-Tag: pa_stable_v19_20110326_r1647~79
X-Git-Url: https://andrewgundersen.net/repos?a=commitdiff_plain;h=7b3d837bbbcda0ac9b12850da67dca11a041bb7b;p=portaudio

wasapi: fixed audio stream failing to open on Windows 7 in Exclusive mode if suggestedLatency parameter is 0 and user framesPerBuffer is less than 3 milliseconds
---

diff --git a/src/hostapi/wasapi/pa_win_wasapi.c b/src/hostapi/wasapi/pa_win_wasapi.c
index cff3abd..9d48f34 100644
--- a/src/hostapi/wasapi/pa_win_wasapi.c
+++ b/src/hostapi/wasapi/pa_win_wasapi.c
@@ -632,13 +632,13 @@ static UINT32 ALIGN_BWD(UINT32 v, UINT32 align)
 
 // ------------------------------------------------------------------------------------------
 // Aligns 'v' forward
-/*static UINT32 ALIGN_FWD(UINT32 v, UINT32 align)
+static UINT32 ALIGN_FWD(UINT32 v, UINT32 align)
 {
 	UINT32 remainder = (align ? (v % align) : 0);
 	if (remainder == 0)
 		return v;
 	return v + (align - remainder);
-}*/
+}
 
 // ------------------------------------------------------------------------------------------
 // Aligns WASAPI buffer to 128 byte packet boundary. HD Audio will fail to play if buffer
@@ -2056,7 +2056,7 @@ static HRESULT CreateAudioClient(PaWasapiStream *pStream, PaWasapiSubStream *pSu
 			pSub->period = pInfo->MinimumDevicePeriod;
 			// Recalculate aligned period
 			framesPerLatency = MakeFramesFromHns(pSub->period, pSub->wavex.Format.nSamplesPerSec);
-			_CalculateAlignedPeriod(pSub, &framesPerLatency, ALIGN_BWD);
+			_CalculateAlignedPeriod(pSub, &framesPerLatency, ALIGN_FWD);
 		}
 	}