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pcm: direct plugins - fix hw_ptr in the status callback

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The parent hw_ptr may be in another range (boundary limit).
Set the correct value for the caller.

BugLink: https://github.com/alsa-project/alsa-lib/issues/155
Signed-off-by: Jaroslav Kysela <perex@perex.cz>
This commit is contained in:
Jaroslav Kysela 2021-06-21 09:28:41 +02:00
parent 212c6c18c4
commit dd609ef968
3 changed files with 3 additions and 0 deletions
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1
src/pcm/pcm_dmix.c
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@ -491,6 +491,7 @@ static int snd_pcm_dmix_status(snd_pcm_t *pcm, snd_pcm_status_t * status)
}
status->state = snd_pcm_dmix_state(pcm);
status->hw_ptr = *pcm->hw.ptr; /* boundary may be different */
status->appl_ptr = *pcm->appl.ptr; /* slave PCM doesn't set appl_ptr */
status->trigger_tstamp = dmix->trigger_tstamp;
status->avail = snd_pcm_mmap_playback_avail(pcm);

1
src/pcm/pcm_dshare.c
View file

@ -243,6 +243,7 @@ static int snd_pcm_dshare_status(snd_pcm_t *pcm, snd_pcm_status_t * status)
break;
}
status->state = snd_pcm_dshare_state(pcm);
status->hw_ptr = *pcm->hw.ptr; /* boundary may be different */
status->appl_ptr = *pcm->appl.ptr; /* slave PCM doesn't set appl_ptr */
status->trigger_tstamp = dshare->trigger_tstamp;
status->avail = snd_pcm_mmap_playback_avail(pcm);

1
src/pcm/pcm_dsnoop.c
View file

@ -193,6 +193,7 @@ static int snd_pcm_dsnoop_status(snd_pcm_t *pcm, snd_pcm_status_t * status)
snd_pcm_status(dsnoop->spcm, status);
state = snd_pcm_state(dsnoop->spcm);
status->state = state == SND_PCM_STATE_RUNNING ? dsnoop->state : state;
status->hw_ptr = *pcm->hw.ptr; /* boundary may be different */
status->appl_ptr = *pcm->appl.ptr; /* slave PCM doesn't set appl_ptr */
status->trigger_tstamp = dsnoop->trigger_tstamp;
status->avail = snd_pcm_mmap_capture_avail(pcm);