16 Jul
2013
16 Jul
'13
9:11 p.m.
Muffinman wrote:
snd_pcm_hw_params_any(alsa_handle, alsa_params);
snd_pcm_hw_params_set_access(alsa_handle, alsa_params,
SND_PCM_ACCESS_RW_INTERLEAVED);
snd_pcm_hw_params_set_format(alsa_handle, alsa_params, SND_PCM_FORMAT_S16);
snd_pcm_hw_params_set_channels(alsa_handle, alsa_params, 2);
snd_pcm_hw_params_set_rate_near(alsa_handle, alsa_params, (unsigned int
*)&sample_rate, &dir);
You must check for errors.
snd_pcm_uframes_t frames = 32;
snd_pcm_hw_params_set_period_size_near(alsa_handle, alsa_params, &frames,
&dir);
Do you really need a period length of 7 ms?
You do not set the buffer size. Try 0.5 s or something like that.
Regards,
Clemens