From: dmitrykos <dmitrykos@0f58301d-fd10-0410-b4af-bbb618454e57>
Date: Mon, 12 Apr 2010 21:15:50 +0000 (+0000)
Subject: wasapi:
X-Git-Tag: pa_stable_v19_20110326_r1647~139
X-Git-Url: https://andrewgundersen.net/repos?a=commitdiff_plain;h=14d09847a3fff06ba18e67509d1af5a14742f696;p=portaudio

wasapi:
 - improved device buffer alignment calculation allowing to set as precise device latency as possible
---

diff --git a/src/hostapi/wasapi/pa_win_wasapi.c b/src/hostapi/wasapi/pa_win_wasapi.c
index 2e26f76..11714c0 100644
--- a/src/hostapi/wasapi/pa_win_wasapi.c
+++ b/src/hostapi/wasapi/pa_win_wasapi.c
@@ -701,7 +701,7 @@ static UINT32 AlignFramesPerBuffer(UINT32 nFrames, UINT32 nSamplesPerSec, UINT32
 {
 #define HDA_PACKET_SIZE 128
 
-	long packets_total = 10000 * (nSamplesPerSec * nBlockAlign / HDA_PACKET_SIZE);
+	//long packets_total = 10000 * (nSamplesPerSec * nBlockAlign / HDA_PACKET_SIZE);
 	long frame_bytes   = nFrames * nBlockAlign;
 	long packets;
 
@@ -711,10 +711,10 @@ static UINT32 AlignFramesPerBuffer(UINT32 nFrames, UINT32 nSamplesPerSec, UINT32
 	packets      = frame_bytes / HDA_PACKET_SIZE;
 
 	// align to packets count
-	while (packets && ((packets_total % packets) != 0))
+	/*while (packets && ((packets_total % packets) != 0))
 	{
 		--packets;
-	}
+	}*/
 
 	frame_bytes = packets * HDA_PACKET_SIZE;
 	nFrames     = frame_bytes / nBlockAlign;