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move flat volume logic into the core. while doing so add n_volume_steps field to sinks/sources

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This commit is contained in:
Lennart Poettering 2009-01-27 04:39:07 +01:00
parent 4bfa5d7d13
commit d5f46e824e
32 changed files with 562 additions and 361 deletions
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43
src/modules/alsa/alsa-source.c
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@ -703,7 +703,7 @@ static long to_alsa_volume(struct userdata *u, pa_volume_t vol) {
return PA_CLAMP_UNLIKELY(alsa_vol, u->hw_volume_min, u->hw_volume_max);
}
static int source_get_volume_cb(pa_source *s) {
static void source_get_volume_cb(pa_source *s) {
struct userdata *u = s->userdata;
int err;
unsigned i;
@ -766,27 +766,24 @@ static int source_get_volume_cb(pa_source *s) {
if (!pa_cvolume_equal(&u->hardware_volume, &r)) {
u->hardware_volume = s->volume = r;
s->virtual_volume = u->hardware_volume = r;
if (u->hw_dB_supported) {
pa_cvolume reset;
/* Hmm, so the hardware volume changed, let's reset our software volume */
pa_cvolume_reset(&reset, s->sample_spec.channels);
pa_source_set_soft_volume(s, &reset);
}
}
return 0;
return;
fail:
pa_log_error("Unable to read volume: %s", snd_strerror(err));
return -1;
}
static int source_set_volume_cb(pa_source *s) {
static void source_set_volume_cb(pa_source *s) {
struct userdata *u = s->userdata;
int err;
unsigned i;
@ -803,7 +800,7 @@ static int source_set_volume_cb(pa_source *s) {
long alsa_vol;
pa_volume_t vol;
vol = s->volume.values[i];
vol = s->virtual_volume.values[i];
if (u->hw_dB_supported) {
@ -840,7 +837,7 @@ static int source_set_volume_cb(pa_source *s) {
pa_volume_t vol;
long alsa_vol;
vol = pa_cvolume_max(&s->volume);
vol = pa_cvolume_max(&s->virtual_volume);
if (u->hw_dB_supported) {
alsa_vol = (long) (pa_sw_volume_to_dB(vol) * 100);
@ -857,7 +854,7 @@ static int source_set_volume_cb(pa_source *s) {
VALGRIND_MAKE_MEM_DEFINED(&alsa_vol, sizeof(alsa_vol));
#endif
pa_cvolume_set(&r, s->volume.channels, pa_sw_volume_from_dB((double) (alsa_vol - u->hw_dB_max) / 100.0));
pa_cvolume_set(&r, s->sample_spec.channels, pa_sw_volume_from_dB((double) (alsa_vol - u->hw_dB_max) / 100.0));
} else {
alsa_vol = to_alsa_volume(u, vol);
@ -879,10 +876,9 @@ static int source_set_volume_cb(pa_source *s) {
/* Match exactly what the user requested by software */
pa_sw_cvolume_divide(&r, &s->volume, &r);
pa_source_set_soft_volume(s, &r);
pa_sw_cvolume_divide(&s->soft_volume, &s->virtual_volume, &r);
pa_log_debug("Requested volume: %s", pa_cvolume_snprint(t, sizeof(t), &s->volume));
pa_log_debug("Requested volume: %s", pa_cvolume_snprint(t, sizeof(t), &s->virtual_volume));
pa_log_debug("Got hardware volume: %s", pa_cvolume_snprint(t, sizeof(t), &u->hardware_volume));
pa_log_debug("Calculated software volume: %s", pa_cvolume_snprint(t, sizeof(t), &r));
@ -891,17 +887,15 @@ static int source_set_volume_cb(pa_source *s) {
/* We can't match exactly what the user requested, hence let's
* at least tell the user about it */
s->volume = r;
s->virtual_volume = r;
return 0;
return;
fail:
pa_log_error("Unable to set volume: %s", snd_strerror(err));
return -1;
}
static int source_get_mute_cb(pa_source *s) {
static void source_get_mute_cb(pa_source *s) {
struct userdata *u = s->userdata;
int err, sw;
@ -910,15 +904,13 @@ static int source_get_mute_cb(pa_source *s) {
if ((err = snd_mixer_selem_get_capture_switch(u->mixer_elem, 0, &sw)) < 0) {
pa_log_error("Unable to get switch: %s", snd_strerror(err));
return -1;
return;
}
s->muted = !sw;
return 0;
}
static int source_set_mute_cb(pa_source *s) {
static void source_set_mute_cb(pa_source *s) {
struct userdata *u = s->userdata;
int err;
@ -927,10 +919,8 @@ static int source_set_mute_cb(pa_source *s) {
if ((err = snd_mixer_selem_set_capture_switch_all(u->mixer_elem, !s->muted)) < 0) {
pa_log_error("Unable to set switch: %s", snd_strerror(err));
return -1;
return;
}
return 0;
}
static void source_update_requested_latency_cb(pa_source *s) {
@ -1372,6 +1362,9 @@ pa_source *pa_alsa_source_new(pa_module *m, pa_modargs *ma, const char*driver, p
u->source->set_volume = source_set_volume_cb;
u->source->flags |= PA_SOURCE_HW_VOLUME_CTRL | (u->hw_dB_supported ? PA_SOURCE_DECIBEL_VOLUME : 0);
pa_log_info("Using hardware volume control. Hardware dB scale %s.", u->hw_dB_supported ? "supported" : "not supported");
if (!u->hw_dB_supported)
u->source->n_volume_steps = u->hw_volume_max - u->hw_volume_min + 1;
} else
pa_log_info("Using software volume control.");
}