[linux-audio-user] JACK samplerate stuck at 48000

[Florian Paul Schmidt]

On Tue, 20 Jun 2006 13:29:18 -0400
Lee Revell <rlrevell at joe-job.com> wrote:

> On Tue, 2006-06-20 at 10:24 -0700, Mark Knecht wrote:
> > Many built-in/inexpensive sound cards are stuck at 48K. Possibly this
> > one is also?
> > 
> 
> It's still a bug for JACK not to report any error.
> 
> Does aplay report any errors with a 44100Hz file?

Hmm, is this it:

Index: drivers/alsa/alsa_driver.c
===================================================================
--- drivers/alsa/alsa_driver.c  (revision 976)
+++ drivers/alsa/alsa_driver.c  (working copy)
@@ -445,13 +445,13 @@
        frame_rate = driver->frame_rate ;
        err = snd_pcm_hw_params_set_rate_near (handle, hw_params,
                                               &frame_rate, NULL) ;
-       driver->frame_rate = frame_rate ;
-       if (err < 0) {
+       if (err < 0 || (driver->frame_rate != frame_rate)) {
                jack_error ("ALSA: cannot set sample/frame rate to %"
                            PRIu32 " for %s", driver->frame_rate,
                            stream_name);
                return -1;
        }
+       driver->frame_rate = frame_rate ;
        if (!*nchns) {
                /*if not user-specified, try to find the maximum
                 * number of channels */


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