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Hardware source volume support.

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git-svn-id: file:///home/lennart/svn/public/pulseaudio/trunk@584 fefdeb5f-60dc-0310-8127-8f9354f1896f
This commit is contained in:
Pierre Ossman 2006-02-23 09:44:50 +00:00
parent 4e8faa6deb
commit 79e8009045
1 changed files with 38 additions and 0 deletions
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38
src/modules/module-solaris.c
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@ -292,6 +292,40 @@ static int sink_set_hw_volume_cb(pa_sink *s) {
return 0;
}
static int source_get_hw_volume_cb(pa_source *s) {
struct userdata *u = s->userdata;
audio_info_t info;
int err;
err = ioctl(u->fd, AUDIO_GETINFO, &info);
assert(err >= 0);
pa_cvolume_set(&s->hw_volume, s->hw_volume.channels,
info.record.gain * PA_VOLUME_NORM / AUDIO_MAX_GAIN);
return 0;
}
static int source_set_hw_volume_cb(pa_source *s) {
struct userdata *u = s->userdata;
audio_info_t info;
AUDIO_INITINFO(&info);
info.record.gain = pa_cvolume_avg(&s->hw_volume) * AUDIO_MAX_GAIN / PA_VOLUME_NORM;
assert(info.record.gain <= AUDIO_MAX_GAIN);
if (ioctl(u->fd, AUDIO_SETINFO, &info) < 0) {
if (errno == EINVAL)
pa_log(__FILE__": AUDIO_SETINFO: Unsupported volume.");
else
pa_log(__FILE__": AUDIO_SETINFO: %s", strerror(errno));
return -1;
}
return 0;
}
static int pa_solaris_auto_format(int fd, int mode, pa_sample_spec *ss) {
audio_info_t info;
@ -436,6 +470,8 @@ int pa__init(pa_core *c, pa_module*m) {
assert(u->source);
u->source->userdata = u;
u->source->get_latency = source_get_latency_cb;
u->source->get_hw_volume = source_get_hw_volume_cb;
u->source->set_hw_volume = source_set_hw_volume_cb;
pa_source_set_owner(u->source, m);
u->source->description = pa_sprintf_malloc("Solaris PCM on '%s'", p);
} else
@ -483,6 +519,8 @@ int pa__init(pa_core *c, pa_module*m) {
pa_modargs_free(ma);
/* Read mixer settings */
if (u->source)
sink_get_hw_volume_cb(u->source);
if (u->sink)
sink_get_hw_volume_cb(u->sink);