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Fixed sw_params

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This commit is contained in:
Abramo Bagnara 2000-11-30 14:14:36 +00:00
parent fd099e6484
commit b62a07a9db
1 changed files with 13 additions and 1 deletions
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14
aplay/aplay.c
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@ -683,6 +683,7 @@ static void set_params(void)
{ {
snd_pcm_hw_info_t info; snd_pcm_hw_info_t info;
snd_pcm_strategy_t *strategy; snd_pcm_strategy_t *strategy;
size_t bufsize;
int err; int err;
snd_pcm_hw_info_any(&info); snd_pcm_hw_info_any(&info);
if (mmap_flag) if (mmap_flag)
@ -721,16 +722,27 @@ static void set_params(void)
error("unable to set hw params"); error("unable to set hw params");
exit(EXIT_FAILURE); exit(EXIT_FAILURE);
} }
bufsize = hwparams.fragment_size * hwparams.fragments;
swparams.start_mode = SND_PCM_START_DATA; swparams.start_mode = SND_PCM_START_DATA;
swparams.ready_mode = ready_mode; swparams.ready_mode = ready_mode;
swparams.xrun_mode = xrun_mode; swparams.xrun_mode = xrun_mode;
swparams.avail_min = hwparams.rate * avail_min / 1000; swparams.avail_min = hwparams.rate * avail_min / 1000;
swparams.xfer_min = hwparams.rate * xfer_min / 1000;
if (xrun_mode == SND_PCM_XRUN_FRAGMENT) if (xrun_mode == SND_PCM_XRUN_FRAGMENT)
swparams.xfer_align = hwparams.fragment_size; swparams.xfer_align = hwparams.fragment_size;
else else
swparams.xfer_align = 1; swparams.xfer_align = 1;
swparams.xfer_min = hwparams.rate * xfer_min / 1000; swparams.xfer_min -= swparams.xfer_min % swparams.xfer_align;
swparams.avail_min -= swparams.avail_min % swparams.xfer_align;
if (swparams.xfer_min == 0)
swparams.xfer_min = swparams.xfer_align;
else if (swparams.xfer_min >= bufsize)
swparams.xfer_min = bufsize - swparams.xfer_align;
if (swparams.avail_min == 0)
swparams.avail_min = swparams.xfer_align;
else if (swparams.avail_min >= bufsize)
swparams.avail_min = bufsize - swparams.xfer_align;
swparams.time = 0; swparams.time = 0;
if (snd_pcm_sw_params(handle, &swparams) < 0) { if (snd_pcm_sw_params(handle, &swparams) < 0) {
snd_pcm_dump_sw_params_fail(&swparams, stderr); snd_pcm_dump_sw_params_fail(&swparams, stderr);