From: gineera <gineera@0f58301d-fd10-0410-b4af-bbb618454e57>
Date: Wed, 2 May 2012 21:46:01 +0000 (+0000)
Subject: Alsa: default sample rate should always be chosen with Alsa-lib sample-rate conversio... 
X-Git-Tag: pa_stable_v19_20140130_r1919~70
X-Git-Url: https://andrewgundersen.net/repos?a=commitdiff_plain;h=d82cd55923235f62a73c75493e136b276cc1f09a;p=portaudio

Alsa: default sample rate should always be chosen with Alsa-lib sample-rate conversion disabled.
---

diff --git a/src/hostapi/alsa/pa_linux_alsa.c b/src/hostapi/alsa/pa_linux_alsa.c
index 05d0daa..e189c20 100644
--- a/src/hostapi/alsa/pa_linux_alsa.c
+++ b/src/hostapi/alsa/pa_linux_alsa.c
@@ -879,6 +879,9 @@ static PaError GropeDevice( snd_pcm_t* pcm, int isPlug, StreamDirection mode, in
     if( defaultSr < 0. )           /* Default sample rate not set */
     {
         unsigned int sampleRate = 44100;        /* Will contain approximate rate returned by alsa-lib */
+
+        /* Don't allow rate resampling when probing for the default rate (but ignore if this call fails) */
+        alsa_snd_pcm_hw_params_set_rate_resample( pcm, hwParams, 0 );
         if( alsa_snd_pcm_hw_params_set_rate_near( pcm, hwParams, &sampleRate, NULL ) < 0)
         {
             result = paUnanticipatedHostError;