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Cleanups in IPC stuff.

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Cleanups in snd_pcm_close().
Added initial code for dmix plugin:
  - only skeleton, but all major problems should be solved
This commit is contained in:
Jaroslav Kysela 2003-02-04 14:48:51 +00:00
parent 74859a4646
commit 8720faaccb
10 changed files with 1132 additions and 59 deletions
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32
src/pcm/pcm.c
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@ -672,16 +672,7 @@ int snd_pcm_close(snd_pcm_t *pcm)
err = pcm->ops->close(pcm->op_arg);
if (err < 0)
return err;
if (pcm->name)
free(pcm->name);
if (pcm->hw.link_dst)
free(pcm->hw.link_dst);
if (pcm->appl.link_dst)
free(pcm->appl.link_dst);
if (pcm->dl_handle)
snd_dlclose(pcm->dl_handle);
free(pcm);
return 0;
return snd_pcm_free(pcm);
}
/**
@ -1875,6 +1866,21 @@ int snd_pcm_new(snd_pcm_t **pcmp, snd_pcm_type_t type, const char *name,
return 0;
}
int snd_pcm_free(snd_pcm_t *pcm)
{
assert(pcm);
if (pcm->name)
free(pcm->name);
if (pcm->hw.link_dst)
free(pcm->hw.link_dst);
if (pcm->appl.link_dst)
free(pcm->appl.link_dst);
if (pcm->dl_handle)
snd_dlclose(pcm->dl_handle);
free(pcm);
return 0;
}
int snd_pcm_open_slave(snd_pcm_t **pcmp, snd_config_t *root,
snd_config_t *conf, snd_pcm_stream_t stream,
int mode)
@ -5782,11 +5788,7 @@ int snd_pcm_mmap_begin(snd_pcm_t *pcm,
snd_pcm_uframes_t f;
snd_pcm_uframes_t avail;
assert(pcm && areas && offset && frames);
if (pcm->stopped_areas &&
snd_pcm_state(pcm) != SND_PCM_STATE_RUNNING)
*areas = pcm->stopped_areas;
else
*areas = pcm->running_areas;
*areas = snd_pcm_mmap_areas(pcm);
*offset = *pcm->appl.ptr % pcm->buffer_size;
cont = pcm->buffer_size - *offset;
f = *frames;