281     struct snd_pcm_hw_params *params;  in setHardwareParams()  local
287     params = (snd_pcm_hw_params*) calloc(1, sizeof(struct snd_pcm_hw_params));  in setHardwareParams()
288     if (!params) {  in setHardwareParams()
292     param_init(params);  in setHardwareParams()
293     param_set_mask(params, SNDRV_PCM_HW_PARAM_ACCESS,  in setHardwareParams()
295     param_set_mask(params, SNDRV_PCM_HW_PARAM_FORMAT,  in setHardwareParams()
297     param_set_mask(params, SNDRV_PCM_HW_PARAM_SUBFORMAT,  in setHardwareParams()
300     param_set_min(params, SNDRV_PCM_HW_PARAM_PERIOD_BYTES, periodBytes);  in setHardwareParams()
301     param_set_int(params, SNDRV_PCM_HW_PARAM_SAMPLE_BITS, 16);  in setHardwareParams()
302     param_set_int(params, SNDRV_PCM_HW_PARAM_FRAME_BITS,  in setHardwareParams()
304     param_set_int(params, SNDRV_PCM_HW_PARAM_CHANNELS,  in setHardwareParams()
306     param_set_int(params, SNDRV_PCM_HW_PARAM_RATE, sampleRate);  in setHardwareParams()
307     param_set_hw_refine(txHandle, params);  in setHardwareParams()
309     if (param_set_hw_params(txHandle, params)) {  in setHardwareParams()
314     param_dump(params);  in setHardwareParams()
316     txHandle->period_size = pcm_period_size(params);  in setHardwareParams()
317     txHandle->buffer_size = pcm_buffer_size(params);  in setHardwareParams()
330     struct snd_pcm_sw_params* params;  in setSoftwareParams()  local
332     params = (snd_pcm_sw_params*) calloc(1, sizeof(struct snd_pcm_sw_params));  in setSoftwareParams()
333     if (!params) {  in setSoftwareParams()
338     params->tstamp_mode = SNDRV_PCM_TSTAMP_NONE;  in setSoftwareParams()
339     params->period_step = 1;  in setSoftwareParams()
341     params->avail_min = (pcm->flags & PCM_MONO) ? pcm->period_size/2 : pcm->period_size/4;  in setSoftwareParams()
344         params->start_threshold = (pcm->flags & PCM_MONO) ? pcm->period_size*8 : pcm->period_size*4;  in setSoftwareParams()
345         params->xfer_align = (pcm->flags & PCM_MONO) ? pcm->period_size*8 : pcm->period_size*4;  in setSoftwareParams()
347         params->start_threshold = (pcm->flags & PCM_MONO) ? pcm->period_size/2 : pcm->period_size/4;  in setSoftwareParams()
348         params->xfer_align = (pcm->flags & PCM_MONO) ? pcm->period_size/2 : pcm->period_size/4;  in setSoftwareParams()
350     params->stop_threshold = pcm->buffer_size;  in setSoftwareParams()
352     params->xfer_align = (pcm->flags & PCM_MONO) ? pcm->period_size/2 : pcm->period_size/4;  in setSoftwareParams()
353     params->silence_size = 0;  in setSoftwareParams()
354     params->silence_threshold = 0;  in setSoftwareParams()
356     if (param_set_sw_params(pcm, params)) {  in setSoftwareParams()