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