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pcm: multi: return correct hwptr and avail from snd_pcm_multi_status()

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Ensure the logic of snd_pcm_multi_status() is consistent with
snd_pcm_multi_avail_update().

Fixes: https://github.com/alsa-project/alsa-lib/pull/224
Fixes: https://github.com/alsa-project/alsa-lib/issues/217
Signed-off-by: Yutao Yuan <infmagic2047reg@outlook.com>
Signed-off-by: Jaroslav Kysela <perex@perex.cz>
This commit is contained in:
Yutao Yuan 2022-05-04 11:01:34 +08:00 • committed by Jaroslav Kysela
parent 3f108fc5b8
commit 9c0c757b85
1 changed files with 11 additions and 1 deletions
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12
src/pcm/pcm_multi.c
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@ -388,11 +388,21 @@ static int snd_pcm_multi_sw_params(snd_pcm_t *pcm, snd_pcm_sw_params_t *params)
return 0;
}
static snd_pcm_sframes_t snd_pcm_multi_avail_update(snd_pcm_t *pcm);
static int snd_pcm_multi_status(snd_pcm_t *pcm, snd_pcm_status_t *status)
{
snd_pcm_multi_t *multi = pcm->private_data;
snd_pcm_t *slave = multi->slaves[multi->master_slave].pcm;
return snd_pcm_status(slave, status);
int err = snd_pcm_status(slave, status);
if (err < 0)
return err;
snd_pcm_sframes_t avail = snd_pcm_multi_avail_update(pcm);
if (avail < 0)
return avail;
status->hw_ptr = *pcm->hw.ptr;
status->avail = avail;
return 0;
}
static snd_pcm_state_t snd_pcm_multi_state(snd_pcm_t *pcm)