Lines Matching defs:hw_params
151 snd_pcm_hw_params_t *hw_params ;
174 if ((err = snd_pcm_hw_params_malloc (&hw_params)) < 0)
179 if ((err = snd_pcm_hw_params_any (alsa_dev, hw_params)) < 0)
184 if ((err = snd_pcm_hw_params_set_access (alsa_dev, hw_params, SND_PCM_ACCESS_RW_INTERLEAVED)) < 0)
189 if ((err = snd_pcm_hw_params_set_format (alsa_dev, hw_params, SND_PCM_FORMAT_FLOAT)) < 0)
194 if ((err = snd_pcm_hw_params_set_rate_near (alsa_dev, hw_params, &samplerate, 0)) < 0)
199 if ((err = snd_pcm_hw_params_set_channels (alsa_dev, hw_params, channels)) < 0)
204 if ((err = snd_pcm_hw_params_set_buffer_size_near (alsa_dev, hw_params, &alsa_buffer_frames)) < 0)
209 if ((err = snd_pcm_hw_params_set_period_size_near (alsa_dev, hw_params, &alsa_period_size, 0)) < 0)
214 if ((err = snd_pcm_hw_params (alsa_dev, hw_params)) < 0)
220 snd_pcm_hw_params_get_period_size (hw_params, &alsa_period_size, 0) ;
221 snd_pcm_hw_params_get_buffer_size (hw_params, &buffer_size) ;
227 snd_pcm_hw_params_free (hw_params) ;