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https://gitlab.gnome.org/GNOME/libgnome-volume-control.git
synced 2024-12-21 20:02:07 +00:00
mixer-control: Expose stream state
The state can be used to determine whether audio is currently playing or not, which can be useful information. https://gitlab.gnome.org/GNOME/libgnome-volume-control/merge_requests/8
This commit is contained in:
Florian Müllner
parent
647e24625a
commit
ec5cf3e0de
@ -1452,6 +1452,21 @@ set_icon_name_from_proplist (GvcMixerStream *stream,
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gvc_mixer_stream_set_icon_name (stream, t);
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}
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static GvcMixerStreamState
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translate_pa_state (pa_sink_state_t state) {
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switch (state) {
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case PA_SINK_RUNNING:
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return GVC_STREAM_STATE_RUNNING;
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case PA_SINK_IDLE:
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return GVC_STREAM_STATE_IDLE;
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case PA_SINK_SUSPENDED:
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return GVC_STREAM_STATE_SUSPENDED;
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case PA_SINK_INVALID_STATE:
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default:
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return GVC_STREAM_STATE_INVALID;
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}
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}
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/*
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* Called when anything changes with a sink.
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*/
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@ -1521,6 +1536,7 @@ update_sink (GvcMixerControl *control,
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gvc_mixer_stream_set_is_muted (stream, info->mute);
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gvc_mixer_stream_set_can_decibel (stream, !!(info->flags & PA_SINK_DECIBEL_VOLUME));
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gvc_mixer_stream_set_base_volume (stream, (guint32) info->base_volume);
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gvc_mixer_stream_set_state (stream, translate_pa_state (info->state));
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/* Messy I know but to set the port everytime regardless of whether it has changed will cost us a
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* port change notify signal which causes the frontend to resync.
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@ -32,6 +32,7 @@
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#include "gvc-mixer-stream.h"
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#include "gvc-mixer-stream-private.h"
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#include "gvc-channel-map-private.h"
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#include "gvc-enum-types.h"
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static guint32 stream_serial = 1;
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@ -57,6 +58,7 @@ struct GvcMixerStreamPrivate
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char *port;
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char *human_port;
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GList *ports;
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GvcMixerStreamState state;
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};
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enum
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@ -80,6 +82,7 @@ enum
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PROP_IS_VIRTUAL,
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PROP_CARD_INDEX,
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PROP_PORT,
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PROP_STATE,
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};
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static void gvc_mixer_stream_finalize (GObject *object);
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@ -580,6 +583,27 @@ gvc_mixer_stream_get_ports (GvcMixerStream *stream)
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return stream->priv->ports;
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}
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gboolean
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gvc_mixer_stream_set_state (GvcMixerStream *stream,
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GvcMixerStreamState state)
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{
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g_return_val_if_fail (GVC_IS_MIXER_STREAM (stream), FALSE);
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if (stream->priv->state != state) {
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stream->priv->state = state;
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g_object_notify (G_OBJECT (stream), "state");
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}
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return TRUE;
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}
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GvcMixerStreamState
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gvc_mixer_stream_get_state (GvcMixerStream *stream)
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{
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g_return_val_if_fail (GVC_IS_MIXER_STREAM (stream), GVC_STREAM_STATE_INVALID);
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return stream->priv->state;
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}
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static int
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sort_ports (GvcMixerStreamPort *a,
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GvcMixerStreamPort *b)
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@ -686,6 +710,9 @@ gvc_mixer_stream_set_property (GObject *object,
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case PROP_PORT:
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gvc_mixer_stream_set_port (self, g_value_get_string (value));
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break;
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case PROP_STATE:
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gvc_mixer_stream_set_state (self, g_value_get_enum (value));
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break;
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case PROP_CARD_INDEX:
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self->priv->card_index = g_value_get_long (value);
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break;
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@ -757,6 +784,9 @@ gvc_mixer_stream_get_property (GObject *object,
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case PROP_PORT:
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g_value_set_string (value, self->priv->port);
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break;
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case PROP_STATE:
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g_value_set_enum (value, self->priv->state);
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break;
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case PROP_CARD_INDEX:
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g_value_set_long (value, self->priv->card_index);
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break;
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@ -986,6 +1016,14 @@ gvc_mixer_stream_class_init (GvcMixerStreamClass *klass)
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"The name of the current port for this stream",
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NULL,
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G_PARAM_READWRITE));
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g_object_class_install_property (gobject_class,
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PROP_STATE,
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g_param_spec_enum ("state",
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"State",
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"The current state of this stream",
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GVC_TYPE_MIXER_STREAM_STATE,
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GVC_STREAM_STATE_INVALID,
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G_PARAM_READWRITE));
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g_object_class_install_property (gobject_class,
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PROP_CARD_INDEX,
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g_param_spec_long ("card-index",
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@ -64,6 +64,14 @@ typedef struct
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gboolean available;
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} GvcMixerStreamPort;
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typedef enum
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{
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GVC_STREAM_STATE_INVALID,
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GVC_STREAM_STATE_RUNNING,
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GVC_STREAM_STATE_IDLE,
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GVC_STREAM_STATE_SUSPENDED
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} GvcMixerStreamState;
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GType gvc_mixer_stream_port_get_type (void) G_GNUC_CONST;
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GType gvc_mixer_stream_get_type (void) G_GNUC_CONST;
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@ -95,6 +103,7 @@ const char * gvc_mixer_stream_get_application_id (GvcMixerStream *stream)
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gboolean gvc_mixer_stream_is_event_stream (GvcMixerStream *stream);
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gboolean gvc_mixer_stream_is_virtual (GvcMixerStream *stream);
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guint gvc_mixer_stream_get_card_index (GvcMixerStream *stream);
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GvcMixerStreamState gvc_mixer_stream_get_state (GvcMixerStream *stream);
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/* private */
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gboolean gvc_mixer_stream_set_volume (GvcMixerStream *stream,
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@ -129,6 +138,8 @@ gboolean gvc_mixer_stream_set_ports (GvcMixerStream *stream,
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GList *ports);
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gboolean gvc_mixer_stream_set_card_index (GvcMixerStream *stream,
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guint card_index);
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gboolean gvc_mixer_stream_set_state (GvcMixerStream *stream,
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GvcMixerStreamState state);
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G_END_DECLS
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12
meson.build
12
meson.build
@ -1,5 +1,5 @@
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project('gvc', 'c',
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meson_version: '>= 0.38.0',
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meson_version: '>= 0.42.0',
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default_options: ['static=true']
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)
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@ -27,6 +27,10 @@ libgvc_gir_headers = [
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'gvc-mixer-ui-device.h'
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]
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libgvc_enums = gnome.mkenums_simple('gvc-enum-types',
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sources: libgvc_gir_headers
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)
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libgvc_gir_sources = [
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'gvc-channel-map.c',
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'gvc-mixer-card.c',
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@ -75,7 +79,7 @@ endif
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if enable_static
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libgvc_static = static_library('gvc',
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sources: libgvc_gir_sources + libgvc_no_gir_sources,
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sources: libgvc_gir_sources + libgvc_no_gir_sources + libgvc_enums,
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dependencies: libgvc_deps,
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c_args: c_args
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)
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@ -87,7 +91,7 @@ else
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endif
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libgvc_shared = shared_library('gvc',
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sources: libgvc_gir_sources + libgvc_no_gir_sources,
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sources: libgvc_gir_sources + libgvc_no_gir_sources + libgvc_enums,
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dependencies: libgvc_deps,
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c_args: c_args,
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install_dir: pkglibdir,
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@ -101,7 +105,7 @@ if enable_introspection
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assert(pkgdatadir != '', 'Installing introspection, but pkgdatadir is unset!')
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libgvc_gir = gnome.generate_gir(libgvc,
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sources: libgvc_gir_sources + libgvc_gir_headers,
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sources: libgvc_gir_sources + libgvc_gir_headers + libgvc_enums,
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nsversion: '1.0',
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namespace: 'Gvc',
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includes: ['Gio-2.0', 'GObject-2.0'],
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