output/alsa: dump buffer and period limits

This commit is contained in:
Max Kellermann 2010-11-05 08:25:21 +01:00
parent 90dc880e67
commit 5a26320680

View File

@ -408,6 +408,26 @@ configure_hw:
}
audio_format->sample_rate = sample_rate;
snd_pcm_uframes_t buffer_size_min, buffer_size_max;
snd_pcm_hw_params_get_buffer_size_min(hwparams, &buffer_size_min);
snd_pcm_hw_params_get_buffer_size_max(hwparams, &buffer_size_max);
unsigned buffer_time_min, buffer_time_max;
snd_pcm_hw_params_get_buffer_time_min(hwparams, &buffer_time_min, 0);
snd_pcm_hw_params_get_buffer_time_max(hwparams, &buffer_time_max, 0);
g_debug("buffer: size=%u..%u time=%u..%u",
(unsigned)buffer_size_min, (unsigned)buffer_size_max,
buffer_time_min, buffer_time_max);
snd_pcm_uframes_t period_size_min, period_size_max;
snd_pcm_hw_params_get_period_size_min(hwparams, &period_size_min, 0);
snd_pcm_hw_params_get_period_size_max(hwparams, &period_size_max, 0);
unsigned period_time_min, period_time_max;
snd_pcm_hw_params_get_period_time_min(hwparams, &period_time_min, 0);
snd_pcm_hw_params_get_period_time_max(hwparams, &period_time_max, 0);
g_debug("period: size=%u..%u time=%u..%u",
(unsigned)period_size_min, (unsigned)period_size_max,
period_time_min, period_time_max);
if (ad->buffer_time > 0) {
buffer_time = ad->buffer_time;
cmd = "snd_pcm_hw_params_set_buffer_time_near";