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Moved pcm_jack plugin to src/pcm/ext directory (must be build manually).

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The pcm open functions looks to /usr/lib/alsa-lib directory for plugins
like jack.
This commit is contained in:
Jaroslav Kysela 2003-03-05 19:56:55 +00:00
parent eb3bd553ea
commit 3cc4c86fb2
8 changed files with 81 additions and 46 deletions
Download patch file Download diff file Expand all files Collapse all files

38
src/pcm/pcm.c
View file

@ -1706,12 +1706,18 @@ snd_pcm_t *snd_async_handler_get_pcm(snd_async_handler_t *handler)
return handler->u.pcm;
}
static char *build_in_pcms[] = {
"adpcm", "alaw", "copy", "dmix", "file", "hooks", "hw", "ladspa", "lfloat",
"linear", "meter", "mulaw", "multi", "null", "plug", "rate", "route", "share",
"shm", NULL
};
static int snd_pcm_open_conf(snd_pcm_t **pcmp, const char *name,
snd_config_t *pcm_root, snd_config_t *pcm_conf,
snd_pcm_stream_t stream, int mode)
{
const char *str;
char buf[256];
char *buf = NULL, *buf1 = NULL;
int err;
snd_config_t *conf, *type_conf = NULL;
snd_config_iterator_t i, next;
@ -1785,8 +1791,30 @@ static int snd_pcm_open_conf(snd_pcm_t **pcmp, const char *name,
}
}
if (!open_name) {
buf = malloc(strlen(str) + 32);
if (buf == NULL) {
err = -ENOMEM;
goto _err;
}
open_name = buf;
snprintf(buf, sizeof(buf), "_snd_pcm_%s_open", str);
sprintf(buf, "_snd_pcm_%s_open", str);
}
if (!lib) {
char **build_in = build_in_pcms;
while (*build_in) {
if (!strcmp(*build_in, str))
break;
build_in++;
}
if (*build_in == NULL) {
buf1 = malloc(strlen(str) + sizeof(PKGLIBDIR) + 32);
if (buf1 == NULL) {
err = -ENOMEM;
goto _err;
}
lib = buf1;
sprintf(buf1, "%s/libasound_module_pcm_%s.so", PKGLIBDIR, str);
}
}
#ifndef PIC
snd_pcm_open_symbols(); /* this call is for static linking only */
@ -1810,11 +1838,15 @@ static int snd_pcm_open_conf(snd_pcm_t **pcmp, const char *name,
err = open_func(pcmp, name, pcm_root, pcm_conf, stream, mode);
if (err >= 0) {
(*pcmp)->dl_handle = h;
return 0;
err = 0;
} else {
snd_dlclose(h);
}
}
if (buf)
free(buf);
if (buf1)
free(buf1);
return err;
}