diff options
Diffstat (limited to 'src/sound-player-gst.c')
| -rw-r--r-- | src/sound-player-gst.c | 173 |
1 files changed, 0 insertions, 173 deletions
diff --git a/src/sound-player-gst.c b/src/sound-player-gst.c deleted file mode 100644 index 25c3884..0000000 --- a/src/sound-player-gst.c +++ /dev/null @@ -1,173 +0,0 @@ -/* - * Copyright 2016 Canonical Ltd. - * - * This program is free software: you can redistribute it and/or modify it - * under the terms of the GNU General Public License version 3, as published - * by the Free Software Foundation. - * - * This program is distributed in the hope that it will be useful, but - * WITHOUT ANY WARRANTY; without even the implied warranties of - * MERCHANTABILITY, SATISFACTORY QUALITY, or FITNESS FOR A PARTICULAR - * PURPOSE. See the GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License along - * with this program. If not, see <http://www.gnu.org/licenses/>. - * - * Authors: - * Charles Kerr <charles.kerr@canonical.com> - */ - -#include "sound-player.h" -#include "sound-player-gst.h" - -#include <gst/gst.h> - - -/*** -**** private struct -***/ - -typedef struct -{ - int unused; -} -IndicatorPowerSoundPlayerGSTPrivate; - -typedef IndicatorPowerSoundPlayerGSTPrivate priv_t; - -#define get_priv(o) ((priv_t*)indicator_power_sound_player_gst_get_instance_private(o)) - - -/*** -**** GObject boilerplate -***/ - -static void indicator_power_device_provider_interface_init ( - IndicatorPowerSoundPlayerInterface * iface); - -G_DEFINE_TYPE_WITH_CODE ( - IndicatorPowerSoundPlayerGST, - indicator_power_sound_player_gst, - G_TYPE_OBJECT, - G_ADD_PRIVATE(IndicatorPowerSoundPlayerGST) - G_IMPLEMENT_INTERFACE (INDICATOR_TYPE_POWER_SOUND_PLAYER, - indicator_power_device_provider_interface_init)) - -/*** -**** GSTREAMER -***/ - -static void -gst_init_once(void) -{ - static gboolean gst_init_checked = FALSE; - - if (G_UNLIKELY(!gst_init_checked)) - { - GError* error = NULL; - if (!gst_init_check(NULL, NULL, &error)) - { - g_critical("Unable to play alarm sound: %s", error->message); - g_error_free(error); - } - gst_init_checked = TRUE; - } -} - -static gboolean bus_callback(GstBus* bus G_GNUC_UNUSED, GstMessage* msg, gpointer gelement) -{ - const GstMessageType message_type = GST_MESSAGE_TYPE(msg); - - if (GST_MESSAGE_SRC(msg) != gelement) - return G_SOURCE_CONTINUE; - - /* on eos, cleanup the element and cancel our gst bus subscription */ - if (message_type == GST_MESSAGE_EOS) - { - g_debug("got GST_MESSAGE_EOS on sound play"); - gst_element_set_state(GST_ELEMENT(gelement), GST_STATE_NULL); - gst_object_unref(gelement); - return G_SOURCE_REMOVE; - } - - /* on stream start, set the media role to 'alert' if we're using pulsesink */ - if (message_type == GST_MESSAGE_STREAM_START) - { - GstElement* audio_sink = NULL; - g_debug("got GST_MESSAGE_STREAM_START on sound play"); - g_object_get(gelement, "audio-sink", &audio_sink, NULL); - if (audio_sink != NULL) - { - GstPluginFeature* feature; - feature = GST_PLUGIN_FEATURE_CAST(GST_ELEMENT_GET_CLASS(audio_sink)->elementfactory); - if (feature && g_strcmp0(gst_plugin_feature_get_name(feature), "pulsesink") == 0) - { - const gchar* const props_str = "props,media.role=alert"; - GstStructure* props = gst_structure_from_string(props_str, NULL); - g_debug("setting audio sink properties to '%s'", props_str); - g_object_set(audio_sink, "stream-properties", props, NULL); - g_clear_pointer(&props, gst_structure_free); - } - gst_object_unref(audio_sink); - } - } - - return G_SOURCE_CONTINUE; -} - -/*** -**** IndicatorPowerSoundPlayer virtual functions -***/ - -static void -my_play_uri (IndicatorPowerSoundPlayer * self G_GNUC_UNUSED, const gchar * uri) -{ - GstElement * element; - GstBus * bus; - - /* create the element */ - element = gst_element_factory_make("playbin", NULL); - - /* start listening for gst events */ - bus = gst_pipeline_get_bus(GST_PIPELINE(element)); - gst_bus_add_watch(bus, bus_callback, element); - gst_object_unref(bus); - - /* play the sound */ - g_debug("Playing '%s'", uri); - g_object_set(element, "uri", uri, NULL); - gst_element_set_state(element, GST_STATE_PLAYING); -} - -/*** -**** Instantiation -***/ - -static void -indicator_power_sound_player_gst_class_init (IndicatorPowerSoundPlayerGSTClass * klass) -{ - gst_init_once(); -} - -static void -indicator_power_device_provider_interface_init (IndicatorPowerSoundPlayerInterface * iface) -{ - iface->play_uri = my_play_uri; -} - -static void -indicator_power_sound_player_gst_init (IndicatorPowerSoundPlayerGST * self G_GNUC_UNUSED) -{ -} - -/*** -**** Public API -***/ - -IndicatorPowerSoundPlayer * -indicator_power_sound_player_gst_new(void) -{ - gpointer o = g_object_new (INDICATOR_TYPE_POWER_SOUND_PLAYER_GST, NULL); - - return INDICATOR_POWER_SOUND_PLAYER (o); -} |