From 31575f7766d6ff39665b64a3a04412eff1c39957 Mon Sep 17 00:00:00 2001 From: Lennart Poettering Date: Wed, 17 Jun 2009 03:45:14 +0200 Subject: alsa: rework mixer logic Completely rework mixer logic. This now allows controlling a full set of elements from a single sink's volume slider/mute button. This also introduces sink and source "ports" that can be used to choose different input or output ports with the UI. (i.e. "mic"/"line-in" or "speaker"/"headphones". The mixer paths and device maps are now configered in external configuration files and can be tweaked as necessary. --- src/pulsecore/source.c | 121 ++++++++++++++++++++++++++++++++++++++++++++----- 1 file changed, 110 insertions(+), 11 deletions(-) (limited to 'src/pulsecore/source.c') diff --git a/src/pulsecore/source.c b/src/pulsecore/source.c index d35c8523..1e431160 100644 --- a/src/pulsecore/source.c +++ b/src/pulsecore/source.c @@ -93,11 +93,29 @@ void pa_source_new_data_set_muted(pa_source_new_data *data, pa_bool_t mute) { data->muted = !!mute; } +void pa_source_new_data_set_port(pa_source_new_data *data, const char *port) { + pa_assert(data); + + pa_xfree(data->active_port); + data->active_port = pa_xstrdup(port); +} + void pa_source_new_data_done(pa_source_new_data *data) { pa_assert(data); - pa_xfree(data->name); pa_proplist_free(data->proplist); + + if (data->ports) { + pa_device_port *p; + + while ((p = pa_hashmap_steal_first(data->ports))) + pa_device_port_free(p); + + pa_hashmap_free(data->ports, NULL, NULL); + } + + pa_xfree(data->name); + pa_xfree(data->active_port); } /* Called from main context */ @@ -110,6 +128,7 @@ static void reset_callbacks(pa_source *s) { s->get_mute = NULL; s->set_mute = NULL; s->update_requested_latency = NULL; + s->set_port = NULL; } /* Called from main context */ @@ -142,6 +161,8 @@ pa_source* pa_source_new( return NULL; } + /* FIXME, need to free s here on failure */ + pa_return_null_if_fail(!data->driver || pa_utf8_valid(data->driver)); pa_return_null_if_fail(data->name && pa_utf8_valid(data->name) && data->name[0]); @@ -210,6 +231,30 @@ pa_source* pa_source_new( s->asyncmsgq = NULL; s->rtpoll = NULL; + /* As a minor optimization we just steal the list instead of + * copying it here */ + s->ports = data->ports; + data->ports = NULL; + + s->active_port = NULL; + s->save_port = FALSE; + + if (data->active_port && s->ports) + if ((s->active_port = pa_hashmap_get(s->ports, data->active_port))) + s->save_port = data->save_port; + + if (!s->active_port && s->ports) { + void *state; + pa_device_port *p; + + PA_HASHMAP_FOREACH(p, s->ports, state) + if (!s->active_port || p->priority > s->active_port->priority) + s->active_port = p; + } + + s->save_volume = data->save_volume; + s->save_muted = data->save_muted; + pa_silence_memchunk_get( &core->silence_cache, core->mempool, @@ -400,6 +445,15 @@ static void source_free(pa_object *o) { if (s->proplist) pa_proplist_free(s->proplist); + if (s->ports) { + pa_device_port *p; + + while ((p = pa_hashmap_steal_first(s->ports))) + pa_device_port_free(p); + + pa_hashmap_free(s->ports, NULL, NULL); + } + pa_xfree(s); } @@ -472,15 +526,15 @@ int pa_source_sync_suspend(pa_source *s) { } /* Called from main context */ -pa_queue *pa_source_move_all_start(pa_source *s) { - pa_queue *q; +pa_queue *pa_source_move_all_start(pa_source *s, pa_queue *q) { pa_source_output *o, *n; uint32_t idx; pa_source_assert_ref(s); pa_assert(PA_SOURCE_IS_LINKED(s->state)); - q = pa_queue_new(); + if (!q) + q = pa_queue_new(); for (o = PA_SOURCE_OUTPUT(pa_idxset_first(s->outputs, &idx)); o; o = n) { n = PA_SOURCE_OUTPUT(pa_idxset_next(s->outputs, &idx)); @@ -667,7 +721,7 @@ pa_usec_t pa_source_get_latency_within_thread(pa_source *s) { } /* Called from main thread */ -void pa_source_set_volume(pa_source *s, const pa_cvolume *volume) { +void pa_source_set_volume(pa_source *s, const pa_cvolume *volume, pa_bool_t save) { pa_cvolume old_virtual_volume; pa_bool_t virtual_volume_changed; @@ -680,6 +734,7 @@ void pa_source_set_volume(pa_source *s, const pa_cvolume *volume) { old_virtual_volume = s->virtual_volume; s->virtual_volume = *volume; virtual_volume_changed = !pa_cvolume_equal(&old_virtual_volume, &s->virtual_volume); + s->save_volume = (!virtual_volume_changed && s->save_volume) || save; if (s->set_volume) { pa_cvolume_reset(&s->soft_volume, s->sample_spec.channels); @@ -725,20 +780,24 @@ const pa_cvolume *pa_source_get_volume(pa_source *s, pa_bool_t force_refresh) { } /* Called from main thread */ -void pa_source_volume_changed(pa_source *s, const pa_cvolume *new_volume) { +void pa_source_volume_changed(pa_source *s, const pa_cvolume *new_volume, pa_bool_t save) { pa_source_assert_ref(s); /* The source implementor may call this if the volume changed to make sure everyone is notified */ - if (pa_cvolume_equal(&s->virtual_volume, new_volume)) + if (pa_cvolume_equal(&s->virtual_volume, new_volume)) { + s->save_volume = s->save_volume || save; return; + } s->virtual_volume = *new_volume; + s->save_volume = save; + pa_subscription_post(s->core, PA_SUBSCRIPTION_EVENT_SOURCE|PA_SUBSCRIPTION_EVENT_CHANGE, s->index); } /* Called from main thread */ -void pa_source_set_mute(pa_source *s, pa_bool_t mute) { +void pa_source_set_mute(pa_source *s, pa_bool_t mute, pa_bool_t save) { pa_bool_t old_muted; pa_source_assert_ref(s); @@ -746,6 +805,7 @@ void pa_source_set_mute(pa_source *s, pa_bool_t mute) { old_muted = s->muted; s->muted = mute; + s->save_muted = (old_muted == s->muted && s->save_muted) || save; if (s->set_mute) s->set_mute(s); @@ -781,15 +841,19 @@ pa_bool_t pa_source_get_mute(pa_source *s, pa_bool_t force_refresh) { } /* Called from main thread */ -void pa_source_mute_changed(pa_source *s, pa_bool_t new_muted) { +void pa_source_mute_changed(pa_source *s, pa_bool_t new_muted, pa_bool_t save) { pa_source_assert_ref(s); /* The source implementor may call this if the mute state changed to make sure everyone is notified */ - if (s->muted == new_muted) + if (s->muted == new_muted) { + s->save_muted = s->save_muted || save; return; + } s->muted = new_muted; + s->save_muted = save; + pa_subscription_post(s->core, PA_SUBSCRIPTION_EVENT_SOURCE|PA_SUBSCRIPTION_EVENT_CHANGE, s->index); } @@ -866,7 +930,7 @@ unsigned pa_source_check_suspend(pa_source *s) { ret = 0; - for (o = PA_SOURCE_OUTPUT(pa_idxset_first(s->outputs, &idx)); o; o = PA_SOURCE_OUTPUT(pa_idxset_next(s->outputs, &idx))) { + PA_IDXSET_FOREACH(o, s->outputs, idx) { pa_source_output_state_t st; st = pa_source_output_get_state(o); @@ -1323,3 +1387,38 @@ size_t pa_source_get_max_rewind(pa_source *s) { return r; } + +/* Called from main context */ +int pa_source_set_port(pa_source *s, const char *name, pa_bool_t save) { + pa_device_port *port; + + pa_assert(s); + + if (!s->set_port) { + pa_log_debug("set_port() operation not implemented for sink %u \"%s\"", s->index, s->name); + return -PA_ERR_NOTIMPLEMENTED; + } + + if (!s->ports) + return -PA_ERR_NOENTITY; + + if (!(port = pa_hashmap_get(s->ports, name))) + return -PA_ERR_NOENTITY; + + if (s->active_port == port) { + s->save_port = s->save_port || save; + return 0; + } + + if ((s->set_port(s, port)) < 0) + return -PA_ERR_NOENTITY; + + pa_subscription_post(s->core, PA_SUBSCRIPTION_EVENT_SOURCE|PA_SUBSCRIPTION_EVENT_CHANGE, s->index); + + pa_log_info("Changed port of source %u \"%s\" to %s", s->index, s->name, port->name); + + s->active_port = port; + s->save_port = save; + + return 0; +} -- cgit