25     snd_pcm_hw_params_t *hwparams;  in main()  local
51     snd_pcm_hw_params_alloca(&hwparams);  in main()
74     r = snd_pcm_hw_params_any(pcm, hwparams);  in main()
77     r = snd_pcm_hw_params_set_rate_resample(pcm, hwparams, 0);  in main()
80     r = snd_pcm_hw_params_set_access(pcm, hwparams, SND_PCM_ACCESS_RW_INTERLEAVED);  in main()
83     r = snd_pcm_hw_params_set_format(pcm, hwparams, SND_PCM_FORMAT_S16_LE);  in main()
86     r = snd_pcm_hw_params_set_rate_near(pcm, hwparams, &rate, NULL);  in main()
89     r = snd_pcm_hw_params_set_channels(pcm, hwparams, CHANNELS);  in main()
92     r = snd_pcm_hw_params_set_periods_integer(pcm, hwparams);  in main()
95     r = snd_pcm_hw_params_set_periods_near(pcm, hwparams, &periods, &dir);  in main()
98     r = snd_pcm_hw_params_set_buffer_size_near(pcm, hwparams, &buffer_size);  in main()
101     r = snd_pcm_hw_params(pcm, hwparams);  in main()
104     r = snd_pcm_hw_params_current(pcm, hwparams);  in main()
119     r = snd_pcm_hw_params_get_buffer_size(hwparams, &buffer_size);  in main()