On Fri, 20 May 2016, at 03:00 AM, John Promersberger wrote: > Ok, I guess the information that I want is directly accessible. retval > simply tells me that I need to get the error from my context instance? > > > ________________________________ > From: pulseaudio-discuss > <pulseaudio-discuss-bounces at lists.freedesktop.org> on behalf of John > Promersberger <jpromersberger at hotmail.com> > Sent: Thursday, May 19, 2016 3:25 PM > To: pulseaudio-discuss at lists.freedesktop.org > Subject: [pulseaudio-discuss] pa stream write routine return values > > > Everyone in this listing has been absolutely amazing in their willingness > to help. > > > So I wrote my program that plays various wav files on multiple streams > upon request along with several samples. Works really well so far, but > I'm trying to handle the last couple of errors. Very infrequently, > meaning it happened once after 5 days, my stream write callback calls > > > int retval = pa_stream_write(s, base + offset, writeSize, NULL, 0, > PA_SEEK_RELATIVE); > > if (retval) > > sprintf(tempstr,"GDS Pulse Audio: ERROR: Stream write returned a > value of %d", retval); > > > and retval will report a value of -15. > > > I have modified it to call pa_strerror, but I will likely have to run it > for nearly a week hoping that it will repeat. > > > I expected a return value from the pa_error_code enum, not a negative > number. > > > Can someone > > 1. give me some insight into this retval > > 2. determine it's meaning (or point me to some documentation of > meanings, I'm willing to fish) Just take a look at the enum -- 15 is PA_ERR_BADSTATE. https://cgit.freedesktop.org/pulseaudio/pulseaudio/tree/src/pulse/def.h#n455 You can see why that return value might happen at: https://cgit.freedesktop.org/pulseaudio/pulseaudio/tree/src/pulse/stream.c#n1475 There are two conditions in the initial checks where BADSTATE is returned. -- Arun
