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Fixed rounding issues

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This commit is contained in:
Abramo Bagnara 2000-12-10 12:08:20 +00:00
parent 5465c299ab
commit b5e96c0161
2 changed files with 38 additions and 19 deletions
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14
src/pcm/pcm.c
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@ -133,6 +133,7 @@ void snd_pcm_hw_info_any(snd_pcm_hw_info_t *info)
void snd_pcm_hw_params_to_info(snd_pcm_hw_params_t *params, snd_pcm_hw_info_t *info)
{
int r;
assert(info && params);
info->flags = 0;
info->access_mask = 1U << params->access;
@ -140,9 +141,15 @@ void snd_pcm_hw_params_to_info(snd_pcm_hw_params_t *params, snd_pcm_hw_info_t *i
info->subformat_mask = 1U << params->subformat;
info->channels_min = info->channels_max = params->channels;
info->rate_min = info->rate_max = params->rate;
info->fragment_length_min = info->fragment_length_max = muldiv_down(params->fragment_size, 1000000, params->rate);
info->fragment_length_min = muldiv_down(params->fragment_size, 1000000, params->rate);
info->fragment_length_max = muldiv(params->fragment_size + 1, 1000000, params->rate, &r);
if (r == 0)
info->fragment_length_max--;
info->fragments_min = info->fragments_max = params->fragments;
info->buffer_length_min = info->buffer_length_max = muldiv_down(params->fragment_size * params->fragments, 1000000, params->rate);
info->buffer_length_min = muldiv_down(params->fragment_size * params->fragments, 1000000, params->rate);
info->buffer_length_max = muldiv((params->fragment_size + 1) * params->fragments, 1000000, params->rate, &r);
if (r == 0)
info->buffer_length_max--;
}
int snd_pcm_sw_params(snd_pcm_t *pcm, snd_pcm_sw_params_t *params)
@ -1921,7 +1928,8 @@ int snd_pcm_hw_info_to_params(snd_pcm_t *pcm, snd_pcm_hw_info_t *info, snd_pcm_h
}
assert(info->fragments_min <= info->fragments_max);
if (info->fragments_min < info->fragments_max) {
info->fragments_max = info->fragments_min;
/* Defaults to maximum use of buffer */
info->fragments_min = info->fragments_max;
err = snd_pcm_hw_info(pcm, info);
assert(err >= 0);
}