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Code checking mmap() is back

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This commit is contained in:
Jaroslav Kysela 2001-04-19 16:13:47 +00:00
parent 2969cea162
commit 667f008cd4
1 changed files with 10 additions and 0 deletions
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10
src/pcm/pcm_surr.c
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@ -196,6 +196,11 @@ static snd_pcm_sframes_t snd_pcm_surround_writei(snd_pcm_t *pcm, const void *buf
snd_pcm_surround_t *surr = pcm->private_data; snd_pcm_surround_t *surr = pcm->private_data;
if (surr->pcms == 1) if (surr->pcms == 1)
return snd_pcm_writei(surr->pcm[0], buffer, size); return snd_pcm_writei(surr->pcm[0], buffer, size);
if (pcm->running_areas == NULL) {
int err;
if ((err = snd_pcm_mmap(pcm)) < 0)
return err;
}
return snd_pcm_mmap_writei(pcm, buffer, size); return snd_pcm_mmap_writei(pcm, buffer, size);
} }
@ -221,6 +226,11 @@ static snd_pcm_sframes_t snd_pcm_surround_readi(snd_pcm_t *pcm, void *buffer, sn
snd_pcm_surround_t *surr = pcm->private_data; snd_pcm_surround_t *surr = pcm->private_data;
if (surr->pcms == 1) if (surr->pcms == 1)
return snd_pcm_readi(surr->pcm[0], buffer, size); return snd_pcm_readi(surr->pcm[0], buffer, size);
if (pcm->running_areas == NULL) {
int err;
if ((err = snd_pcm_mmap(pcm)) < 0)
return err;
}
return snd_pcm_mmap_readi(pcm, buffer, size); return snd_pcm_mmap_readi(pcm, buffer, size);
} }