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openSUSE:Evergreen:11.1:kernel-2.6.32
alsa-utils
alsa-utils-speaker-test-parameter-get-fix.diff
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File alsa-utils-speaker-test-parameter-get-fix.diff of Package alsa-utils
commit 0d6134450ea7db82128138c9ac1bc84e8696dce4 Author: Takashi Iwai <tiwai@suse.de> Date: Wed Nov 26 14:27:24 2008 +0100 speaker-test: Fix floating-point exception bug The period_size an buffer_size parameters must be taken after calling snd_pcm_hw_params(). Otherwise they could be undefined numbers. For example, period_size gets 0 when pcsp driver is used, resulting in a floating-point exception error. Signed-off-by: Takashi Iwai <tiwai@suse.de> diff --git a/speaker-test/speaker-test.c b/speaker-test/speaker-test.c index d40342f..75a4bed 100644 --- a/speaker-test/speaker-test.c +++ b/speaker-test/speaker-test.c @@ -422,6 +422,14 @@ static int set_hwparams(snd_pcm_t *handle, snd_pcm_hw_params_t *params, snd_pcm_ return err; } } + + /* write the parameters to device */ + err = snd_pcm_hw_params(handle, params); + if (err < 0) { + fprintf(stderr, _("Unable to set hw params for playback: %s\n"), snd_strerror(err)); + return err; + } + snd_pcm_hw_params_get_buffer_size(params, &buffer_size); snd_pcm_hw_params_get_period_size(params, &period_size, NULL); printf(_("was set period_size = %lu\n"),period_size); @@ -431,13 +439,6 @@ static int set_hwparams(snd_pcm_t *handle, snd_pcm_hw_params_t *params, snd_pcm_ return -EINVAL; } - /* write the parameters to device */ - err = snd_pcm_hw_params(handle, params); - if (err < 0) { - fprintf(stderr, _("Unable to set hw params for playback: %s\n"), snd_strerror(err)); - return err; - } - return 0; }
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