<div dir="ltr"><span style="font-family:arial,sans-serif;font-size:13px">Just a note to add - I've been running ten to twenty concurrent calls listening to the sixteen channels of soundcards via an updated pablio.h and so far, with these settings in portaudio.conf.xml:</span><div style="font-family:arial,sans-serif;font-size:13px">
<br></div><div style="font-family:arial,sans-serif;font-size:13px"><div> <streams></div><div><br></div><div><span style="white-space:pre-wrap"> </span><stream name="M-AUDIO-ONE"></div><div><span style="white-space:pre-wrap"> </span><param name="indev" value="M Audio Delta 1010: ICE1712 multi (hw:0,0)" /></div>
<div><span style="white-space:pre-wrap"> </span><param name="outdev" value="M Audio Delta 1010: ICE1712 multi (hw:0,0)" /></div><div><span style="white-space:pre-wrap"> </span><param name="sample-rate" value="8000" /></div>
<div><span style="white-space:pre-wrap"> </span><param name="codec-ms" value="20" /></div><div><span style="white-space:pre-wrap"> </span><param name="channels" value="8" /></div>
<div> <span style="white-space:pre-wrap"> </span></stream></div><div><br></div><div><span style="white-space:pre-wrap"> </span><stream name="M-AUDIO-TWO"></div><div><span style="white-space:pre-wrap"> </span><param name="indev" value="M Audio Delta 1010: ICE1712 multi (hw:1,0)" /></div>
<div><span style="white-space:pre-wrap"> </span><param name="outdev" value="M Audio Delta 1010: ICE1712 multi (hw:1,0)" /></div><div><span style="white-space:pre-wrap"> </span><param name="sample-rate" value="8000" /></div>
<div><span style="white-space:pre-wrap"> </span><param name="codec-ms" value="20" /></div><div><span style="white-space:pre-wrap"> </span><param name="channels" value="8" /></div>
<div> <span style="white-space:pre-wrap"> </span></stream></div><div><br></div><div> </streams></div></div><div style="font-family:arial,sans-serif;font-size:13px"><br></div><div style="font-family:arial,sans-serif;font-size:13px">
and with pablio.h:</div><div style="font-family:arial,sans-serif;font-size:13px"><br></div><div style="font-family:arial,sans-serif;font-size:13px">/*! Maximum number of channels per stream */</div><div style="font-family:arial,sans-serif;font-size:13px">
#define MAX_IO_CHANNELS 8</div><div style="font-family:arial,sans-serif;font-size:13px"><br></div><div style="font-family:arial,sans-serif;font-size:13px">No issues so far, but it's only been one day.</div></div><div class="gmail_extra">
<br><br><div class="gmail_quote">On Tue, Nov 26, 2013 at 11:23 PM, Erik M. Devane - Comms Guy <span dir="ltr"><<a href="mailto:emdevane@gmail.com" target="_blank">emdevane@gmail.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
<div dir="ltr"><span style="font-family:arial,sans-serif;font-size:13px">Dear all,</span><div style="font-family:arial,sans-serif;font-size:13px"><br></div><div style="font-family:arial,sans-serif;font-size:13px">I've been fighting an issue with PortAudio on CentOS for a few days now: I have two Delta 1010 cards which I'm using with mod_portaudio streams.</div>
<div style="font-family:arial,sans-serif;font-size:13px"><br></div><div style="font-family:arial,sans-serif;font-size:13px">On Windows, the cards appear as eight two-channel devices, and FreeSWITCH can use them. On CentOS, the cards appear as two eight-channel devices (actually 10 out/12 in) and I'm unable to configure more than two channels per card.</div>
<div style="font-family:arial,sans-serif;font-size:13px"><br></div><div style="font-family:arial,sans-serif;font-size:13px">Looking at the code, it looks like pablio.h's MAX_IO_CHANNELS is hardcoded to 2, and this is the limit of mod_portaudio. As it's a ring-buffer, I can see why it might need to be a power of 2, but does anyone know why it is set to 2?</div>
<div style="font-family:arial,sans-serif;font-size:13px"><br></div><div style="font-family:arial,sans-serif;font-size:13px">How dangerous would it be to increase this value? Any thoughts?</div><div style="font-family:arial,sans-serif;font-size:13px">
<br></div><div style="font-family:arial,sans-serif;font-size:13px">Regards,</div><div style="font-family:arial,sans-serif;font-size:13px"><br></div><div style="font-family:arial,sans-serif;font-size:13px">Erik</div></div>
</blockquote></div><br></div>