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alsa: Reinitialise the mixer on port change.

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This allows us to flip from software to hardware volume control as the port's
mixer path dictates.
This commit is contained in:
Colin Guthrie 2011-07-02 16:23:01 +01:00
parent a9cf320bc1
commit 6c6b50d6a8
11 changed files with 315 additions and 120 deletions
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115
src/modules/alsa/alsa-sink.c
View file

@ -130,7 +130,7 @@ struct userdata {
char *device_name; /* name of the PCM device */
char *control_device; /* name of the control device */
pa_bool_t use_mmap:1, use_tsched:1;
pa_bool_t use_mmap:1, use_tsched:1, sync_volume:1;
pa_bool_t first, after_rewind;
@ -1372,6 +1372,55 @@ static void sink_set_mute_cb(pa_sink *s) {
pa_alsa_path_set_mute(u->mixer_path, u->mixer_handle, s->muted);
}
static void mixer_volume_init(struct userdata *u) {
pa_assert(u);
if (!u->mixer_path->has_volume) {
pa_sink_set_write_volume_callback(u->sink, NULL);
pa_sink_set_get_volume_callback(u->sink, NULL);
pa_sink_set_set_volume_callback(u->sink, NULL);
pa_log_info("Driver does not support hardware volume control, falling back to software volume control.");
} else {
pa_sink_set_get_volume_callback(u->sink, sink_get_volume_cb);
pa_sink_set_set_volume_callback(u->sink, sink_set_volume_cb);
if (u->mixer_path->has_dB && u->sync_volume) {
pa_sink_set_write_volume_callback(u->sink, sink_write_volume_cb);
pa_log_info("Successfully enabled synchronous volume.");
} else
pa_sink_set_write_volume_callback(u->sink, NULL);
if (u->mixer_path->has_dB) {
pa_sink_enable_decibel_volume(u->sink, TRUE);
pa_log_info("Hardware volume ranges from %0.2f dB to %0.2f dB.", u->mixer_path->min_dB, u->mixer_path->max_dB);
u->sink->base_volume = pa_sw_volume_from_dB(-u->mixer_path->max_dB);
u->sink->n_volume_steps = PA_VOLUME_NORM+1;
pa_log_info("Fixing base volume to %0.2f dB", pa_sw_volume_to_dB(u->sink->base_volume));
} else {
pa_sink_enable_decibel_volume(u->sink, FALSE);
pa_log_info("Hardware volume ranges from %li to %li.", u->mixer_path->min_volume, u->mixer_path->max_volume);
u->sink->base_volume = PA_VOLUME_NORM;
u->sink->n_volume_steps = u->mixer_path->max_volume - u->mixer_path->min_volume + 1;
}
pa_log_info("Using hardware volume control. Hardware dB scale %s.", u->mixer_path->has_dB ? "supported" : "not supported");
}
if (!u->mixer_path->has_mute) {
pa_sink_set_get_mute_callback(u->sink, NULL);
pa_sink_set_set_mute_callback(u->sink, NULL);
pa_log_info("Driver does not support hardware mute control, falling back to software mute control.");
} else {
pa_sink_set_get_mute_callback(u->sink, sink_get_mute_cb);
pa_sink_set_set_mute_callback(u->sink, sink_set_mute_cb);
pa_log_info("Using hardware mute control.");
}
}
static int sink_set_port_cb(pa_sink *s, pa_device_port *p) {
struct userdata *u = s->userdata;
pa_alsa_port_data *data;
@ -1385,15 +1434,7 @@ static int sink_set_port_cb(pa_sink *s, pa_device_port *p) {
pa_assert_se(u->mixer_path = data->path);
pa_alsa_path_select(u->mixer_path, u->mixer_handle);
if (u->mixer_path->has_volume && u->mixer_path->has_dB) {
s->base_volume = pa_sw_volume_from_dB(-u->mixer_path->max_dB);
s->n_volume_steps = PA_VOLUME_NORM+1;
pa_log_info("Fixing base volume to %0.2f dB", pa_sw_volume_to_dB(s->base_volume));
} else {
s->base_volume = PA_VOLUME_NORM;
s->n_volume_steps = u->mixer_path->max_volume - u->mixer_path->min_volume + 1;
}
mixer_volume_init(u);
if (data->setting)
pa_alsa_setting_select(data->setting, u->mixer_handle);
@ -1723,7 +1764,10 @@ fail:
}
}
static int setup_mixer(struct userdata *u, pa_bool_t ignore_dB, pa_bool_t sync_volume) {
static int setup_mixer(struct userdata *u, pa_bool_t ignore_dB) {
pa_bool_t need_mixer_callback = FALSE;
pa_assert(u);
if (!u->mixer_handle)
@ -1759,47 +1803,21 @@ static int setup_mixer(struct userdata *u, pa_bool_t ignore_dB, pa_bool_t sync_v
return 0;
}
if (!u->mixer_path->has_volume) {
pa_log_info("Driver does not support hardware volume control, falling back to software volume control.");
} else {
mixer_volume_init(u);
if (u->mixer_path->has_dB) {
pa_log_info("Hardware volume ranges from %0.2f dB to %0.2f dB.", u->mixer_path->min_dB, u->mixer_path->max_dB);
/* Will we need to register callbacks? */
if (u->mixer_path_set && u->mixer_path_set->paths) {
pa_alsa_path *p;
u->sink->base_volume = pa_sw_volume_from_dB(-u->mixer_path->max_dB);
u->sink->n_volume_steps = PA_VOLUME_NORM+1;
pa_log_info("Fixing base volume to %0.2f dB", pa_sw_volume_to_dB(u->sink->base_volume));
} else {
pa_log_info("Hardware volume ranges from %li to %li.", u->mixer_path->min_volume, u->mixer_path->max_volume);
u->sink->base_volume = PA_VOLUME_NORM;
u->sink->n_volume_steps = u->mixer_path->max_volume - u->mixer_path->min_volume + 1;
PA_LLIST_FOREACH(p, u->mixer_path_set->paths) {
if (p->has_volume || p->has_mute)
need_mixer_callback = TRUE;
}
pa_sink_set_get_volume_callback(u->sink, sink_get_volume_cb);
pa_sink_set_set_volume_callback(u->sink, sink_set_volume_cb);
if (u->mixer_path->has_dB) {
u->sink->flags |= PA_SINK_DECIBEL_VOLUME;
if (sync_volume) {
pa_sink_set_write_volume_callback(u->sink, sink_write_volume_cb);
pa_log_info("Successfully enabled synchronous volume.");
}
}
pa_log_info("Using hardware volume control. Hardware dB scale %s.", u->mixer_path->has_dB ? "supported" : "not supported");
}
else if (u->mixer_path)
need_mixer_callback = u->mixer_path->has_volume || u->mixer_path->has_mute;
if (!u->mixer_path->has_mute) {
pa_log_info("Driver does not support hardware mute control, falling back to software mute control.");
} else {
pa_sink_set_get_mute_callback(u->sink, sink_get_mute_cb);
pa_sink_set_set_mute_callback(u->sink, sink_set_mute_cb);
pa_log_info("Using hardware mute control.");
}
if (u->mixer_path->has_volume || u->mixer_path->has_mute) {
if (need_mixer_callback) {
int (*mixer_callback)(snd_mixer_elem_t *, unsigned int);
if (u->sink->flags & PA_SINK_SYNC_VOLUME) {
u->mixer_pd = pa_alsa_mixer_pdata_new();
@ -1909,6 +1927,7 @@ pa_sink *pa_alsa_sink_new(pa_module *m, pa_modargs *ma, const char*driver, pa_ca
u->module = m;
u->use_mmap = use_mmap;
u->use_tsched = use_tsched;
u->sync_volume = sync_volume;
u->first = TRUE;
u->rewind_safeguard = rewind_safeguard;
u->rtpoll = pa_rtpoll_new();
@ -2133,7 +2152,7 @@ pa_sink *pa_alsa_sink_new(pa_module *m, pa_modargs *ma, const char*driver, pa_ca
if (update_sw_params(u) < 0)
goto fail;
if (setup_mixer(u, ignore_dB, sync_volume) < 0)
if (setup_mixer(u, ignore_dB) < 0)
goto fail;
pa_alsa_dump(PA_LOG_DEBUG, u->pcm_handle);

114
src/modules/alsa/alsa-source.c
View file

@ -116,7 +116,7 @@ struct userdata {
char *device_name; /* name of the PCM device */
char *control_device; /* name of the control device */
pa_bool_t use_mmap:1, use_tsched:1;
pa_bool_t use_mmap:1, use_tsched:1, sync_volume:1;
pa_bool_t first;
@ -1247,6 +1247,55 @@ static void source_set_mute_cb(pa_source *s) {
pa_alsa_path_set_mute(u->mixer_path, u->mixer_handle, s->muted);
}
static void mixer_volume_init(struct userdata *u) {
pa_assert(u);
if (!u->mixer_path->has_volume) {
pa_source_set_write_volume_callback(u->source, NULL);
pa_source_set_get_volume_callback(u->source, NULL);
pa_source_set_set_volume_callback(u->source, NULL);
pa_log_info("Driver does not support hardware volume control, falling back to software volume control.");
} else {
pa_source_set_get_volume_callback(u->source, source_get_volume_cb);
pa_source_set_set_volume_callback(u->source, source_set_volume_cb);
if (u->mixer_path->has_dB && u->sync_volume) {
pa_source_set_write_volume_callback(u->source, source_write_volume_cb);
pa_log_info("Successfully enabled synchronous volume.");
} else
pa_source_set_write_volume_callback(u->source, NULL);
if (u->mixer_path->has_dB) {
pa_source_enable_decibel_volume(u->source, TRUE);
pa_log_info("Hardware volume ranges from %0.2f dB to %0.2f dB.", u->mixer_path->min_dB, u->mixer_path->max_dB);
u->source->base_volume = pa_sw_volume_from_dB(-u->mixer_path->max_dB);
u->source->n_volume_steps = PA_VOLUME_NORM+1;
pa_log_info("Fixing base volume to %0.2f dB", pa_sw_volume_to_dB(u->source->base_volume));
} else {
pa_source_enable_decibel_volume(u->source, FALSE);
pa_log_info("Hardware volume ranges from %li to %li.", u->mixer_path->min_volume, u->mixer_path->max_volume);
u->source->base_volume = PA_VOLUME_NORM;
u->source->n_volume_steps = u->mixer_path->max_volume - u->mixer_path->min_volume + 1;
}
pa_log_info("Using hardware volume control. Hardware dB scale %s.", u->mixer_path->has_dB ? "supported" : "not supported");
}
if (!u->mixer_path->has_mute) {
pa_source_set_get_mute_callback(u->source, NULL);
pa_source_set_set_mute_callback(u->source, NULL);
pa_log_info("Driver does not support hardware mute control, falling back to software mute control.");
} else {
pa_source_set_get_mute_callback(u->source, source_get_mute_cb);
pa_source_set_set_mute_callback(u->source, source_set_mute_cb);
pa_log_info("Using hardware mute control.");
}
}
static int source_set_port_cb(pa_source *s, pa_device_port *p) {
struct userdata *u = s->userdata;
pa_alsa_port_data *data;
@ -1260,15 +1309,7 @@ static int source_set_port_cb(pa_source *s, pa_device_port *p) {
pa_assert_se(u->mixer_path = data->path);
pa_alsa_path_select(u->mixer_path, u->mixer_handle);
if (u->mixer_path->has_volume && u->mixer_path->has_dB) {
s->base_volume = pa_sw_volume_from_dB(-u->mixer_path->max_dB);
s->n_volume_steps = PA_VOLUME_NORM+1;
pa_log_info("Fixing base volume to %0.2f dB", pa_sw_volume_to_dB(s->base_volume));
} else {
s->base_volume = PA_VOLUME_NORM;
s->n_volume_steps = u->mixer_path->max_volume - u->mixer_path->min_volume + 1;
}
mixer_volume_init(u);
if (data->setting)
pa_alsa_setting_select(data->setting, u->mixer_handle);
@ -1498,7 +1539,9 @@ fail:
}
}
static int setup_mixer(struct userdata *u, pa_bool_t ignore_dB, pa_bool_t sync_volume) {
static int setup_mixer(struct userdata *u, pa_bool_t ignore_dB) {
pa_bool_t need_mixer_callback = FALSE;
pa_assert(u);
if (!u->mixer_handle)
@ -1534,47 +1577,21 @@ static int setup_mixer(struct userdata *u, pa_bool_t ignore_dB, pa_bool_t sync_v
return 0;
}
if (!u->mixer_path->has_volume) {
pa_log_info("Driver does not support hardware volume control, falling back to software volume control.");
} else {
mixer_volume_init(u);
if (u->mixer_path->has_dB) {
pa_log_info("Hardware volume ranges from %0.2f dB to %0.2f dB.", u->mixer_path->min_dB, u->mixer_path->max_dB);
/* Will we need to register callbacks? */
if (u->mixer_path_set && u->mixer_path_set->paths) {
pa_alsa_path *p;
u->source->base_volume = pa_sw_volume_from_dB(-u->mixer_path->max_dB);
u->source->n_volume_steps = PA_VOLUME_NORM+1;
pa_log_info("Fixing base volume to %0.2f dB", pa_sw_volume_to_dB(u->source->base_volume));
} else {
pa_log_info("Hardware volume ranges from %li to %li.", u->mixer_path->min_volume, u->mixer_path->max_volume);
u->source->base_volume = PA_VOLUME_NORM;
u->source->n_volume_steps = u->mixer_path->max_volume - u->mixer_path->min_volume + 1;
PA_LLIST_FOREACH(p, u->mixer_path_set->paths) {
if (p->has_volume || p->has_mute)
need_mixer_callback = TRUE;
}
pa_source_set_get_volume_callback(u->source, source_get_volume_cb);
pa_source_set_set_volume_callback(u->source, source_set_volume_cb);
if (u->mixer_path->has_dB) {
u->source->flags |= PA_SOURCE_DECIBEL_VOLUME;
if (sync_volume) {
pa_source_set_write_volume_callback(u->source, source_write_volume_cb);
pa_log_info("Successfully enabled synchronous volume.");
}
}
pa_log_info("Using hardware volume control. Hardware dB scale %s.", u->mixer_path->has_dB ? "supported" : "not supported");
}
else if (u->mixer_path)
need_mixer_callback = u->mixer_path->has_volume || u->mixer_path->has_mute;
if (!u->mixer_path->has_mute) {
pa_log_info("Driver does not support hardware mute control, falling back to software mute control.");
} else {
pa_source_set_get_mute_callback(u->source, source_get_mute_cb);
pa_source_set_set_mute_callback(u->source, source_set_mute_cb);
pa_log_info("Using hardware mute control.");
}
if (u->mixer_path->has_volume || u->mixer_path->has_mute) {
if (need_mixer_callback) {
int (*mixer_callback)(snd_mixer_elem_t *, unsigned int);
if (u->source->flags & PA_SOURCE_SYNC_VOLUME) {
u->mixer_pd = pa_alsa_mixer_pdata_new();
@ -1678,6 +1695,7 @@ pa_source *pa_alsa_source_new(pa_module *m, pa_modargs *ma, const char*driver, p
u->module = m;
u->use_mmap = use_mmap;
u->use_tsched = use_tsched;
u->sync_volume = sync_volume;
u->first = TRUE;
u->rtpoll = pa_rtpoll_new();
pa_thread_mq_init(&u->thread_mq, m->core->mainloop, u->rtpoll);
@ -1893,7 +1911,7 @@ pa_source *pa_alsa_source_new(pa_module *m, pa_modargs *ma, const char*driver, p
if (update_sw_params(u) < 0)
goto fail;
if (setup_mixer(u, ignore_dB, sync_volume) < 0)
if (setup_mixer(u, ignore_dB) < 0)
goto fail;
pa_alsa_dump(PA_LOG_DEBUG, u->pcm_handle);

4
src/modules/echo-cancel/module-echo-cancel.c
View file

@ -1523,7 +1523,6 @@ int pa__init(pa_module*m) {
}
u->source = pa_source_new(m->core, &source_data,
PA_SOURCE_DECIBEL_VOLUME|
(source_master->flags & (PA_SOURCE_LATENCY|PA_SOURCE_DYNAMIC_LATENCY)));
pa_source_new_data_done(&source_data);
@ -1535,6 +1534,7 @@ int pa__init(pa_module*m) {
u->source->parent.process_msg = source_process_msg_cb;
u->source->set_state = source_set_state_cb;
u->source->update_requested_latency = source_update_requested_latency_cb;
pa_source_enable_decibel_volume(u->source, TRUE);
pa_source_set_get_volume_callback(u->source, source_get_volume_cb);
pa_source_set_set_volume_callback(u->source, source_set_volume_cb);
pa_source_set_get_mute_callback(u->source, source_get_mute_cb);
@ -1571,7 +1571,6 @@ int pa__init(pa_module*m) {
}
u->sink = pa_sink_new(m->core, &sink_data,
PA_SINK_DECIBEL_VOLUME|
(sink_master->flags & (PA_SINK_LATENCY|PA_SINK_DYNAMIC_LATENCY)));
pa_sink_new_data_done(&sink_data);
@ -1584,6 +1583,7 @@ int pa__init(pa_module*m) {
u->sink->set_state = sink_set_state_cb;
u->sink->update_requested_latency = sink_update_requested_latency_cb;
u->sink->request_rewind = sink_request_rewind_cb;
pa_sink_enable_decibel_volume(u->sink, TRUE);
pa_sink_set_set_volume_callback(u->sink, sink_set_volume_cb);
pa_sink_set_set_mute_callback(u->sink, sink_set_mute_cb);
u->sink->userdata = u;

2
src/modules/module-equalizer-sink.c
View file

@ -1178,7 +1178,6 @@ int pa__init(pa_module*m) {
}
u->sink = pa_sink_new(m->core, &sink_data,
PA_SINK_DECIBEL_VOLUME|
(master->flags & (PA_SINK_LATENCY|PA_SINK_DYNAMIC_LATENCY)));
pa_sink_new_data_done(&sink_data);
@ -1191,6 +1190,7 @@ int pa__init(pa_module*m) {
u->sink->set_state = sink_set_state_cb;
u->sink->update_requested_latency = sink_update_requested_latency_cb;
u->sink->request_rewind = sink_request_rewind_cb;
pa_sink_enable_decibel_volume(u->sink, TRUE);
pa_sink_set_set_volume_callback(u->sink, sink_set_volume_cb);
pa_sink_set_set_mute_callback(u->sink, sink_set_mute_cb);
u->sink->userdata = u;

2
src/modules/module-ladspa-sink.c
View file

@ -883,7 +883,6 @@ int pa__init(pa_module*m) {
}
u->sink = pa_sink_new(m->core, &sink_data,
PA_SINK_DECIBEL_VOLUME|
(master->flags & (PA_SINK_LATENCY|PA_SINK_DYNAMIC_LATENCY)));
pa_sink_new_data_done(&sink_data);
@ -896,6 +895,7 @@ int pa__init(pa_module*m) {
u->sink->set_state = sink_set_state_cb;
u->sink->update_requested_latency = sink_update_requested_latency_cb;
u->sink->request_rewind = sink_request_rewind_cb;
pa_sink_enable_decibel_volume(u->sink, TRUE);
pa_sink_set_set_volume_callback(u->sink, sink_set_volume_cb);
pa_sink_set_set_mute_callback(u->sink, sink_set_mute_cb);
u->sink->userdata = u;

11
src/modules/module-virtual-sink.c
View file

@ -554,8 +554,7 @@ int pa__init(pa_module*m) {
}
u->sink = pa_sink_new(m->core, &sink_data, (master->flags & (PA_SINK_LATENCY|PA_SINK_DYNAMIC_LATENCY))
| (use_volume_sharing ? PA_SINK_SHARE_VOLUME_WITH_MASTER : 0)
| (force_flat_volume ? PA_SINK_FLAT_VOLUME : 0));
| (use_volume_sharing ? PA_SINK_SHARE_VOLUME_WITH_MASTER : 0));
pa_sink_new_data_done(&sink_data);
if (!u->sink) {
@ -567,8 +566,14 @@ int pa__init(pa_module*m) {
u->sink->set_state = sink_set_state_cb;
u->sink->update_requested_latency = sink_update_requested_latency_cb;
u->sink->request_rewind = sink_request_rewind_cb;
pa_sink_set_set_volume_callback(u->sink, use_volume_sharing ? NULL : sink_set_volume_cb);
pa_sink_set_set_mute_callback(u->sink, sink_set_mute_cb);
if (use_volume_sharing) {
pa_sink_set_set_volume_callback(u->sink, sink_set_volume_cb);
pa_sink_enable_decibel_volume(u->sink, TRUE);
}
/* Normally this flag would be enabled automatically be we can force it. */
if (force_flat_volume)
u->sink->flags |= PA_SINK_FLAT_VOLUME;
u->sink->userdata = u;
pa_sink_set_asyncmsgq(u->sink, master->asyncmsgq);

11
src/modules/module-virtual-source.c
View file

@ -581,8 +581,7 @@ int pa__init(pa_module*m) {
}
u->source = pa_source_new(m->core, &source_data, (master->flags & (PA_SOURCE_LATENCY|PA_SOURCE_DYNAMIC_LATENCY))
| (use_volume_sharing ? PA_SOURCE_SHARE_VOLUME_WITH_MASTER : 0)
| (force_flat_volume ? PA_SOURCE_FLAT_VOLUME : 0));
| (use_volume_sharing ? PA_SOURCE_SHARE_VOLUME_WITH_MASTER : 0));
pa_source_new_data_done(&source_data);
@ -594,8 +593,14 @@ int pa__init(pa_module*m) {
u->source->parent.process_msg = source_process_msg_cb;
u->source->set_state = source_set_state_cb;
u->source->update_requested_latency = source_update_requested_latency_cb;
pa_source_set_set_volume_callback(u->source, use_volume_sharing ? NULL : source_set_volume_cb);
pa_source_set_set_mute_callback(u->source, source_set_mute_cb);
if (use_volume_sharing) {
pa_source_set_set_volume_callback(u->source, source_set_volume_cb);
pa_source_enable_decibel_volume(u->source, TRUE);
}
/* Normally this flag would be enabled automatically be we can force it. */
if (force_flat_volume)
u->source->flags |= PA_SOURCE_FLAT_VOLUME;
u->source->userdata = u;
pa_source_set_asyncmsgq(u->source, master->asyncmsgq);

87
src/pulsecore/sink.c
View file

@ -456,29 +456,49 @@ void pa_sink_set_get_volume_callback(pa_sink *s, pa_sink_cb_t cb) {
}
void pa_sink_set_set_volume_callback(pa_sink *s, pa_sink_cb_t cb) {
pa_assert(s);
pa_sink_flags_t flags;
pa_assert(s);
pa_assert(!s->write_volume || cb);
s->set_volume = cb;
if (cb)
/* Save the current flags so we can tell if they've changed */
flags = s->flags;
if (cb) {
/* The sink implementor is responsible for setting decibel volume support */
s->flags |= PA_SINK_HW_VOLUME_CTRL;
else
} else {
s->flags &= ~PA_SINK_HW_VOLUME_CTRL;
/* See note below in pa_sink_put() about volume sharing and decibel volumes */
pa_sink_enable_decibel_volume(s, !(s->flags & PA_SINK_SHARE_VOLUME_WITH_MASTER));
}
/* If the flags have changed after init, let any clients know via a change event */
if (s->state != PA_SINK_INIT && flags != s->flags)
pa_subscription_post(s->core, PA_SUBSCRIPTION_EVENT_SINK|PA_SUBSCRIPTION_EVENT_CHANGE, s->index);
}
void pa_sink_set_write_volume_callback(pa_sink *s, pa_sink_cb_t cb) {
pa_assert(s);
pa_sink_flags_t flags;
pa_assert(s);
pa_assert(!cb || s->set_volume);
s->write_volume = cb;
/* Save the current flags so we can tell if they've changed */
flags = s->flags;
if (cb)
s->flags |= PA_SINK_SYNC_VOLUME;
else
s->flags &= ~PA_SINK_SYNC_VOLUME;
/* If the flags have changed after init, let any clients know via a change event */
if (s->state != PA_SINK_INIT && flags != s->flags)
pa_subscription_post(s->core, PA_SUBSCRIPTION_EVENT_SINK|PA_SUBSCRIPTION_EVENT_CHANGE, s->index);
}
void pa_sink_set_get_mute_callback(pa_sink *s, pa_sink_cb_t cb) {
@ -488,14 +508,65 @@ void pa_sink_set_get_mute_callback(pa_sink *s, pa_sink_cb_t cb) {
}
void pa_sink_set_set_mute_callback(pa_sink *s, pa_sink_cb_t cb) {
pa_sink_flags_t flags;
pa_assert(s);
s->set_mute = cb;
/* Save the current flags so we can tell if they've changed */
flags = s->flags;
if (cb)
s->flags |= PA_SINK_HW_MUTE_CTRL;
else
s->flags &= ~PA_SINK_HW_MUTE_CTRL;
/* If the flags have changed after init, let any clients know via a change event */
if (s->state != PA_SINK_INIT && flags != s->flags)
pa_subscription_post(s->core, PA_SUBSCRIPTION_EVENT_SINK|PA_SUBSCRIPTION_EVENT_CHANGE, s->index);
}
static void enable_flat_volume(pa_sink *s, pa_bool_t enable) {
pa_sink_flags_t flags;
pa_assert(s);
/* Always follow the overall user preference here */
enable = enable && s->core->flat_volumes;
/* Save the current flags so we can tell if they've changed */
flags = s->flags;
if (enable)
s->flags |= PA_SINK_FLAT_VOLUME;
else
s->flags &= ~PA_SINK_FLAT_VOLUME;
/* If the flags have changed after init, let any clients know via a change event */
if (s->state != PA_SINK_INIT && flags != s->flags)
pa_subscription_post(s->core, PA_SUBSCRIPTION_EVENT_SINK|PA_SUBSCRIPTION_EVENT_CHANGE, s->index);
}
void pa_sink_enable_decibel_volume(pa_sink *s, pa_bool_t enable) {
pa_sink_flags_t flags;
pa_assert(s);
/* Save the current flags so we can tell if they've changed */
flags = s->flags;
if (enable) {
s->flags |= PA_SINK_DECIBEL_VOLUME;
enable_flat_volume(s, TRUE);
} else {
s->flags &= ~PA_SINK_DECIBEL_VOLUME;
enable_flat_volume(s, FALSE);
}
/* If the flags have changed after init, let any clients know via a change event */
if (s->state != PA_SINK_INIT && flags != s->flags)
pa_subscription_post(s->core, PA_SUBSCRIPTION_EVENT_SINK|PA_SUBSCRIPTION_EVENT_CHANGE, s->index);
}
/* Called from main context */
@ -536,10 +607,12 @@ void pa_sink_put(pa_sink* s) {
*
* Note: This flag can also change over the life time of the sink. */
if (!(s->flags & PA_SINK_HW_VOLUME_CTRL) && !(s->flags & PA_SINK_SHARE_VOLUME_WITH_MASTER))
s->flags |= PA_SINK_DECIBEL_VOLUME;
pa_sink_enable_decibel_volume(s, TRUE);
if ((s->flags & PA_SINK_DECIBEL_VOLUME) && s->core->flat_volumes)
s->flags |= PA_SINK_FLAT_VOLUME;
/* If the sink implementor support DB volumes by itself, we should always
* try and enable flat volumes too */
if ((s->flags & PA_SINK_DECIBEL_VOLUME))
enable_flat_volume(s, TRUE);
if (s->flags & PA_SINK_SHARE_VOLUME_WITH_MASTER) {
pa_sink *root_sink = s->input_to_master->sink;

1
src/pulsecore/sink.h
View file

@ -362,6 +362,7 @@ void pa_sink_set_set_volume_callback(pa_sink *s, pa_sink_cb_t cb);
void pa_sink_set_write_volume_callback(pa_sink *s, pa_sink_cb_t cb);
void pa_sink_set_get_mute_callback(pa_sink *s, pa_sink_cb_t cb);
void pa_sink_set_set_mute_callback(pa_sink *s, pa_sink_cb_t cb);
void pa_sink_enable_decibel_volume(pa_sink *s, pa_bool_t enable);
void pa_sink_put(pa_sink *s);
void pa_sink_unlink(pa_sink* s);

87
src/pulsecore/source.c
View file

@ -388,29 +388,49 @@ void pa_source_set_get_volume_callback(pa_source *s, pa_source_cb_t cb) {
}
void pa_source_set_set_volume_callback(pa_source *s, pa_source_cb_t cb) {
pa_assert(s);
pa_source_flags_t flags;
pa_assert(s);
pa_assert(!s->write_volume || cb);
s->set_volume = cb;
if (cb)
/* Save the current flags so we can tell if they've changed */
flags = s->flags;
if (cb) {
/* The source implementor is responsible for setting decibel volume support */
s->flags |= PA_SOURCE_HW_VOLUME_CTRL;
else
} else {
s->flags &= ~PA_SOURCE_HW_VOLUME_CTRL;
/* See note below in pa_source_put() about volume sharing and decibel volumes */
pa_source_enable_decibel_volume(s, !(s->flags & PA_SOURCE_SHARE_VOLUME_WITH_MASTER));
}
/* If the flags have changed after init, let any clients know via a change event */
if (s->state != PA_SOURCE_INIT && flags != s->flags)
pa_subscription_post(s->core, PA_SUBSCRIPTION_EVENT_SOURCE|PA_SUBSCRIPTION_EVENT_CHANGE, s->index);
}
void pa_source_set_write_volume_callback(pa_source *s, pa_source_cb_t cb) {
pa_assert(s);
pa_source_flags_t flags;
pa_assert(s);
pa_assert(!cb || s->set_volume);
s->write_volume = cb;
/* Save the current flags so we can tell if they've changed */
flags = s->flags;
if (cb)
s->flags |= PA_SOURCE_SYNC_VOLUME;
else
s->flags &= ~PA_SOURCE_SYNC_VOLUME;
/* If the flags have changed after init, let any clients know via a change event */
if (s->state != PA_SOURCE_INIT && flags != s->flags)
pa_subscription_post(s->core, PA_SUBSCRIPTION_EVENT_SOURCE|PA_SUBSCRIPTION_EVENT_CHANGE, s->index);
}
void pa_source_set_get_mute_callback(pa_source *s, pa_source_cb_t cb) {
@ -420,14 +440,65 @@ void pa_source_set_get_mute_callback(pa_source *s, pa_source_cb_t cb) {
}
void pa_source_set_set_mute_callback(pa_source *s, pa_source_cb_t cb) {
pa_source_flags_t flags;
pa_assert(s);
s->set_mute = cb;
/* Save the current flags so we can tell if they've changed */
flags = s->flags;
if (cb)
s->flags |= PA_SOURCE_HW_MUTE_CTRL;
else
s->flags &= ~PA_SOURCE_HW_MUTE_CTRL;
/* If the flags have changed after init, let any clients know via a change event */
if (s->state != PA_SOURCE_INIT && flags != s->flags)
pa_subscription_post(s->core, PA_SUBSCRIPTION_EVENT_SOURCE|PA_SUBSCRIPTION_EVENT_CHANGE, s->index);
}
static void enable_flat_volume(pa_source *s, pa_bool_t enable) {
pa_source_flags_t flags;
pa_assert(s);
/* Always follow the overall user preference here */
enable = enable && s->core->flat_volumes;
/* Save the current flags so we can tell if they've changed */
flags = s->flags;
if (enable)
s->flags |= PA_SOURCE_FLAT_VOLUME;
else
s->flags &= ~PA_SOURCE_FLAT_VOLUME;
/* If the flags have changed after init, let any clients know via a change event */
if (s->state != PA_SOURCE_INIT && flags != s->flags)
pa_subscription_post(s->core, PA_SUBSCRIPTION_EVENT_SOURCE|PA_SUBSCRIPTION_EVENT_CHANGE, s->index);
}
void pa_source_enable_decibel_volume(pa_source *s, pa_bool_t enable) {
pa_source_flags_t flags;
pa_assert(s);
/* Save the current flags so we can tell if they've changed */
flags = s->flags;
if (enable) {
s->flags |= PA_SOURCE_DECIBEL_VOLUME;
enable_flat_volume(s, TRUE);
} else {
s->flags &= ~PA_SOURCE_DECIBEL_VOLUME;
enable_flat_volume(s, FALSE);
}
/* If the flags have changed after init, let any clients know via a change event */
if (s->state != PA_SOURCE_INIT && flags != s->flags)
pa_subscription_post(s->core, PA_SUBSCRIPTION_EVENT_SOURCE|PA_SUBSCRIPTION_EVENT_CHANGE, s->index);
}
/* Called from main context */
@ -468,10 +539,12 @@ void pa_source_put(pa_source *s) {
*
* Note: This flag can also change over the life time of the source. */
if (!(s->flags & PA_SOURCE_HW_VOLUME_CTRL) && !(s->flags & PA_SOURCE_SHARE_VOLUME_WITH_MASTER))
s->flags |= PA_SOURCE_DECIBEL_VOLUME;
pa_source_enable_decibel_volume(s, TRUE);
if ((s->flags & PA_SOURCE_DECIBEL_VOLUME) && s->core->flat_volumes)
s->flags |= PA_SOURCE_FLAT_VOLUME;
/* If the source implementor support DB volumes by itself, we should always
* try and enable flat volumes too */
if ((s->flags & PA_SOURCE_DECIBEL_VOLUME))
enable_flat_volume(s, TRUE);
if (s->flags & PA_SOURCE_SHARE_VOLUME_WITH_MASTER) {
pa_source *root_source = s->output_from_master->source;

1
src/pulsecore/source.h
View file

@ -293,6 +293,7 @@ void pa_source_set_set_volume_callback(pa_source *s, pa_source_cb_t cb);
void pa_source_set_write_volume_callback(pa_source *s, pa_source_cb_t cb);
void pa_source_set_get_mute_callback(pa_source *s, pa_source_cb_t cb);
void pa_source_set_set_mute_callback(pa_source *s, pa_source_cb_t cb);
void pa_source_enable_decibel_volume(pa_source *s, pa_bool_t enable);
void pa_source_put(pa_source *s);
void pa_source_unlink(pa_source *s);