235 lines
9.3 KiB
C
235 lines
9.3 KiB
C
#include <stdio.h>
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#include <string.h>
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#include "config.h"
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#include "common.h"
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#include "player.h"
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#include "rtsp.h"
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#include "rtp.h"
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#include "dacp.h"
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#include "metadata_hub.h"
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#include "mpris-service.h"
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void mpris_metadata_watcher(struct metadata_bundle *argc, void *userdata) {
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debug(1, "MPRIS metadata watcher called");
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char response[100];
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switch (argc->repeat_status) {
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case RS_NONE:
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strcpy(response, "None");
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break;
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case RS_SINGLE:
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strcpy(response, "Track");
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break;
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case RS_ALL:
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strcpy(response, "Playlist");
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break;
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}
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// debug(1,"Set loop status to \"%s\"",response);
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media_player2_player_set_loop_status(mprisPlayerPlayerSkeleton, response);
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GVariantBuilder *dict_builder, *aa;
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GVariant *trackname, *albumname, *trackid, *tracklength, *artUrl;
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// Build the Track ID from the 16-byte item_composite_id in hex prefixed by
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// /org/gnome/ShairportSync
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char st[33];
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char *pt = st;
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int it;
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for (it = 0; it < 16; it++) {
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sprintf(pt, "%02X", argc->item_composite_id[it]);
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pt += 2;
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}
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*pt = 0;
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// debug(1, "Item composite ID set to 0x%s.", st);
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char artURIstring[1024];
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char trackidstring[1024];
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sprintf(trackidstring, "/org/gnome/ShairportSync/%s", st);
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trackid = g_variant_new("o", trackidstring);
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// Make up the track name and album name
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trackname = g_variant_new("s", argc->track_name);
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albumname = g_variant_new("s", argc->album_name);
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// Make up the track length in microseconds as an int64
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uint64_t track_length_in_microseconds = argc->songtime_in_milliseconds;
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track_length_in_microseconds *= 1000; // to microseconds in 64-bit precision
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// Make up the track name and album name
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tracklength = g_variant_new("x", track_length_in_microseconds);
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/* Build the artists array */
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// debug(1,"Build artists");
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aa = g_variant_builder_new(G_VARIANT_TYPE("as"));
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g_variant_builder_add(aa, "s", argc->artist_name);
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GVariant *artists = g_variant_builder_end(aa);
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g_variant_builder_unref(aa);
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/* Build the genre array */
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// debug(1,"Build genre");
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aa = g_variant_builder_new(G_VARIANT_TYPE("as"));
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g_variant_builder_add(aa, "s", argc->genre);
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GVariant *genres = g_variant_builder_end(aa);
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g_variant_builder_unref(aa);
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/* Build the metadata array */
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// debug(1,"Build metadata");
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dict_builder = g_variant_builder_new(G_VARIANT_TYPE("a{sv}"));
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// Make up the artwork URI if we have one
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if (argc->cover_art_pathname)
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sprintf(artURIstring, "file://%s", argc->cover_art_pathname);
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else
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artURIstring[0] = 0;
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// sprintf(artURIstring,"");
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artUrl = g_variant_new("s", artURIstring);
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g_variant_builder_add(dict_builder, "{sv}", "mpris:artUrl", artUrl);
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g_variant_builder_add(dict_builder, "{sv}", "mpris:trackid", trackid);
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g_variant_builder_add(dict_builder, "{sv}", "mpris:length", tracklength);
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g_variant_builder_add(dict_builder, "{sv}", "xesam:title", trackname);
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g_variant_builder_add(dict_builder, "{sv}", "xesam:album", albumname);
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g_variant_builder_add(dict_builder, "{sv}", "xesam:artist", artists);
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g_variant_builder_add(dict_builder, "{sv}", "xesam:genre", genres);
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GVariant *dict = g_variant_builder_end(dict_builder);
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g_variant_builder_unref(dict_builder);
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media_player2_player_set_metadata(mprisPlayerPlayerSkeleton, dict);
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}
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static gboolean on_handle_next(MediaPlayer2Player *skeleton, GDBusMethodInvocation *invocation,
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gpointer user_data) {
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send_simple_dacp_command("nextitem");
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media_player2_player_complete_next(skeleton, invocation);
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return TRUE;
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}
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static gboolean on_handle_previous(MediaPlayer2Player *skeleton, GDBusMethodInvocation *invocation,
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gpointer user_data) {
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send_simple_dacp_command("previtem");
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media_player2_player_complete_previous(skeleton, invocation);
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return TRUE;
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}
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static gboolean on_handle_stop(MediaPlayer2Player *skeleton, GDBusMethodInvocation *invocation,
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gpointer user_data) {
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send_simple_dacp_command("stop");
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media_player2_player_complete_stop(skeleton, invocation);
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return TRUE;
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}
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static gboolean on_handle_pause(MediaPlayer2Player *skeleton, GDBusMethodInvocation *invocation,
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gpointer user_data) {
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send_simple_dacp_command("pause");
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media_player2_player_complete_pause(skeleton, invocation);
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return TRUE;
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}
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static gboolean on_handle_play_pause(MediaPlayer2Player *skeleton,
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GDBusMethodInvocation *invocation, gpointer user_data) {
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send_simple_dacp_command("playpause");
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media_player2_player_complete_play_pause(skeleton, invocation);
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return TRUE;
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}
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static gboolean on_handle_play(MediaPlayer2Player *skeleton, GDBusMethodInvocation *invocation,
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gpointer user_data) {
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send_simple_dacp_command("play");
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media_player2_player_complete_play(skeleton, invocation);
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return TRUE;
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}
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static void on_mpris_name_acquired(GDBusConnection *connection, const gchar *name,
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gpointer user_data) {
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const char *empty_string_array[] = {NULL};
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debug(1, "MPRIS well-known interface name \"%s\" acquired for %s.", name, config.appName);
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mprisPlayerSkeleton = media_player2_skeleton_new();
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mprisPlayerPlayerSkeleton = media_player2_player_skeleton_new();
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g_dbus_interface_skeleton_export(G_DBUS_INTERFACE_SKELETON(mprisPlayerSkeleton), connection,
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"/org/mpris/MediaPlayer2", NULL);
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g_dbus_interface_skeleton_export(G_DBUS_INTERFACE_SKELETON(mprisPlayerPlayerSkeleton), connection,
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"/org/mpris/MediaPlayer2", NULL);
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media_player2_set_desktop_entry(mprisPlayerSkeleton, "shairport-sync");
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media_player2_set_identity(mprisPlayerSkeleton, "Shairport Sync");
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media_player2_set_can_quit(mprisPlayerSkeleton, FALSE);
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media_player2_set_can_raise(mprisPlayerSkeleton, FALSE);
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media_player2_set_has_track_list(mprisPlayerSkeleton, FALSE);
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media_player2_set_supported_uri_schemes(mprisPlayerSkeleton, empty_string_array);
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media_player2_set_supported_mime_types(mprisPlayerSkeleton, empty_string_array);
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media_player2_player_set_playback_status(mprisPlayerPlayerSkeleton, "Stopped");
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media_player2_player_set_loop_status(mprisPlayerPlayerSkeleton, "None");
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media_player2_player_set_volume(mprisPlayerPlayerSkeleton, 0.5);
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media_player2_player_set_minimum_rate(mprisPlayerPlayerSkeleton, 1.0);
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media_player2_player_set_maximum_rate(mprisPlayerPlayerSkeleton, 1.0);
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media_player2_player_set_can_go_next(mprisPlayerPlayerSkeleton, TRUE);
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media_player2_player_set_can_go_previous(mprisPlayerPlayerSkeleton, TRUE);
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media_player2_player_set_can_play(mprisPlayerPlayerSkeleton, TRUE);
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media_player2_player_set_can_pause(mprisPlayerPlayerSkeleton, TRUE);
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media_player2_player_set_can_seek(mprisPlayerPlayerSkeleton, FALSE);
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media_player2_player_set_can_control(mprisPlayerPlayerSkeleton, TRUE);
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g_signal_connect(mprisPlayerPlayerSkeleton, "handle-play", G_CALLBACK(on_handle_play), NULL);
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g_signal_connect(mprisPlayerPlayerSkeleton, "handle-pause", G_CALLBACK(on_handle_pause), NULL);
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g_signal_connect(mprisPlayerPlayerSkeleton, "handle-play-pause", G_CALLBACK(on_handle_play_pause),
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NULL);
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g_signal_connect(mprisPlayerPlayerSkeleton, "handle-stop", G_CALLBACK(on_handle_stop), NULL);
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g_signal_connect(mprisPlayerPlayerSkeleton, "handle-next", G_CALLBACK(on_handle_next), NULL);
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g_signal_connect(mprisPlayerPlayerSkeleton, "handle-previous", G_CALLBACK(on_handle_previous),
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NULL);
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add_metadata_watcher(mpris_metadata_watcher, NULL);
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debug(1, "Shairport Sync D-BUS service started on interface \"%s\".", name);
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debug(1, "MPRIS service started on interface \"%s\".", name);
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}
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static void on_mpris_name_lost_again(GDBusConnection *connection, const gchar *name,
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gpointer user_data) {
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warn("Could not acquire an MPRIS interface.");
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}
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static void on_mpris_name_lost(GDBusConnection *connection, const gchar *name, gpointer user_data) {
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debug(1, "Could not acquire well-known interface name \"%s\" -- will try adding the process "
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"number to the end of it.",
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name);
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pid_t pid = getpid();
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char interface_name[256] = "";
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sprintf(interface_name, "org.mpris.MediaPlayer2.ShairportSync.i%d", pid);
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GBusType mpris_bus_type = G_BUS_TYPE_SYSTEM;
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if (config.mpris_service_bus_type == DBT_session)
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mpris_bus_type = G_BUS_TYPE_SESSION;
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if (mpris_bus_type == G_BUS_TYPE_SYSTEM)
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debug(1, "Looking for well-known interface name \"%s\" on the system bus.", interface_name);
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else
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debug(1, "Looking for well-known interface name \"%s\" on the session bus.", interface_name);
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g_bus_own_name(mpris_bus_type, interface_name, G_BUS_NAME_OWNER_FLAGS_NONE, NULL,
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on_mpris_name_acquired, on_mpris_name_lost_again, NULL, NULL);
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}
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int start_mpris_service() {
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mprisPlayerSkeleton = NULL;
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mprisPlayerPlayerSkeleton = NULL;
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GBusType mpris_bus_type = G_BUS_TYPE_SYSTEM;
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if (config.mpris_service_bus_type == DBT_session)
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mpris_bus_type = G_BUS_TYPE_SESSION;
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debug(1, "Looking for well-known name \"org.mpris.MediaPlayer2.ShairportSync\".");
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g_bus_own_name(mpris_bus_type, "org.mpris.MediaPlayer2.ShairportSync",
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G_BUS_NAME_OWNER_FLAGS_NONE, NULL, on_mpris_name_acquired, on_mpris_name_lost,
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NULL, NULL);
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return 0; // this is just to quieten a compiler warning
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}
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