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added snd_hctl_ctl() function

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ordinary mixer:
  - revised Ordinary Mixer I/O type
  - sndo_mixer_open() take PCMs rather than strings to pass
    the real relationship
  - an initial version of toplevel alisp script
more alisp development:
  - renamed a* functions to A* functions (acall -> Acall etc.)
  - many improvements (unset*, exfun, Acall pcm_info, Asnderr, Asyserr)
This commit is contained in:
Jaroslav Kysela 2003-09-09 19:24:35 +00:00
parent 668a300229
commit 60585e25fc
16 changed files with 535 additions and 165 deletions
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27
test/omixer.c
View file

@ -13,8 +13,8 @@ static void help(void)
printf(
"Usage: omixer [OPTION]...\n"
"-h,--help help\n"
"-P,--pname playback device\n"
"-C,--cname capture device\n"
"-P,--pname playback PCM device\n"
"-C,--cname capture PCM device\n"
"\n");
}
@ -29,6 +29,7 @@ int main(int argc, char *argv[])
};
int err, morehelp;
char *pname = "default", *cname = "default";
snd_pcm_t *phandle = NULL, *chandle = NULL;
sndo_mixer_t *handle;
morehelp = 0;
@ -54,11 +55,31 @@ int main(int argc, char *argv[])
return 0;
}
err = sndo_mixer_open(&handle, pname, cname, NULL);
if (strcmp(pname, "-")) {
err = snd_pcm_open(&phandle, pname, SND_PCM_STREAM_PLAYBACK, 0);
if (err < 0) {
fprintf(stderr, "Playback PCM open error: %s\n", snd_strerror(err));
return EXIT_FAILURE;
}
}
if (strcmp(cname, "-")) {
err = snd_pcm_open(&chandle, cname, SND_PCM_STREAM_CAPTURE, 0);
if (err < 0) {
if (phandle)
snd_pcm_close(phandle);
fprintf(stderr, "Capture PCM open error: %s\n", snd_strerror(err));
return EXIT_FAILURE;
}
}
err = sndo_mixer_open(&handle, phandle, chandle, NULL);
if (err < 0) {
fprintf(stderr, "mixer open error: %s\n", snd_strerror(err));
return EXIT_FAILURE;
}
sndo_mixer_close(handle);
snd_pcm_close(chandle);
snd_pcm_close(phandle);
return EXIT_SUCCESS;
}