static gboolean
impl_play (RBPlayer *player, RBPlayerPlayType play_type, gint64 crossfade, GError **error)
{
RBPlayerGst *mp = RB_PLAYER_GST (player);
g_return_val_if_fail (mp->priv->playbin != NULL, FALSE);
mp->priv->track_change = TRUE;
if (mp->priv->stream_change_pending == FALSE) {
rb_debug ("no stream change pending, just restarting playback");
mp->priv->track_change = FALSE;
start_state_change (mp, GST_STATE_PLAYING, FINISH_TRACK_CHANGE);
} else if (mp->priv->current_track_finishing) {
switch (play_type) {
case RB_PLAYER_PLAY_AFTER_EOS:
rb_debug ("current track finishing -> just setting URI on playbin");
g_object_set (mp->priv->playbin, "uri", mp->priv->uri, NULL);
mp->priv->playbin_stream_changing = TRUE;
track_change_done (mp, NULL);
break;
case RB_PLAYER_PLAY_REPLACE:
case RB_PLAYER_PLAY_CROSSFADE:
rb_debug ("current track finishing, waiting for EOS to start next");
break;
default:
g_assert_not_reached ();
}
} else {
gboolean reused = FALSE;
/* try to reuse the stream */
if (mp->priv->prev_uri != NULL) {
g_signal_emit (mp,
signals[CAN_REUSE_STREAM], 0,
mp->priv->uri, mp->priv->prev_uri, mp->priv->playbin,
&reused);
if (reused) {
rb_debug ("reusing stream to switch from %s to %s", mp->priv->prev_uri, mp->priv->uri);
g_signal_emit (player,
signals[REUSE_STREAM], 0,
mp->priv->uri, mp->priv->prev_uri, mp->priv->playbin);
track_change_done (mp, *error);
}
}
/* no stream reuse, so stop, set the new URI, then start */
if (reused == FALSE) {
rb_debug ("not in transition, stopping current track to start the new one");
start_state_change (mp, GST_STATE_READY, SET_NEXT_URI);
}
}
return TRUE;
}
gboolean
xmr_player_play(XmrPlayer *player)
{
XmrPlayerPrivate *priv;
g_return_val_if_fail( player != NULL, FALSE);
priv = player->priv;
g_return_val_if_fail( priv->playbin != NULL, FALSE);
g_return_val_if_fail( priv->uri != NULL, FALSE);
if (priv->stream_change_pending == FALSE)
{
xmr_debug ("no stream change pending, just restarting playback");
start_state_change (player, GST_STATE_PLAYING, FINISH_TRACK_CHANGE);
}
else if (priv->current_track_finishing)
{
xmr_debug ("current track finishing -> just setting URI on playbin");
g_object_set(priv->playbin, "uri", priv->uri, NULL);
track_change_done(player, NULL);
}
else
{
xmr_debug ("play next song");
start_state_change(player, GST_STATE_READY, SET_NEXT_URI);
}
return TRUE;
}
static void
state_change_finished (RBPlayerGst *mp, GError *error)
{
enum StateChangeAction action = mp->priv->state_change_action;
mp->priv->state_change_action = DO_NOTHING;
switch (action) {
case DO_NOTHING:
break;
case PLAYER_SHUTDOWN:
if (error != NULL) {
g_warning ("unable to shut down player pipeline: %s\n", error->message);
}
break;
case SET_NEXT_URI:
if (error != NULL) {
g_warning ("unable to stop playback: %s\n", error->message);
} else {
GstBus *bus;
/* flush bus to ensure tags from the previous stream don't
* get applied to the new one
*/
bus = gst_element_get_bus (mp->priv->playbin);
gst_bus_set_flushing (bus, TRUE);
gst_bus_set_flushing (bus, FALSE);
gst_object_unref (bus);
rb_debug ("setting new playback URI %s", mp->priv->uri);
g_object_set (mp->priv->playbin, "uri", mp->priv->uri, NULL);
start_state_change (mp, GST_STATE_PLAYING, FINISH_TRACK_CHANGE);
}
break;
case STOP_TICK_TIMER:
if (error != NULL) {
g_warning ("unable to pause playback: %s\n", error->message);
} else {
if (mp->priv->tick_timeout_id != 0) {
g_source_remove (mp->priv->tick_timeout_id);
mp->priv->tick_timeout_id = 0;
}
}
break;
case FINISH_TRACK_CHANGE:
track_change_done (mp, error);
break;
}
}
static void
state_change_finished(XmrPlayer *player, GError *error)
{
XmrPlayerPrivate *priv = player->priv;
enum StateChangeAction action = priv->state_change_action;
priv->state_change_action = DO_NOTHING;
switch (action)
{
case DO_NOTHING:
break;
case PLAYER_SHUTDOWN:
if (error != NULL) {
g_warning ("unable to shut down player pipeline: %s\n", error->message);
}
break;
case SET_NEXT_URI:
if (error != NULL) {
g_warning ("unable to stop playback: %s\n", error->message);
} else {
xmr_debug ("setting new playback URI %s", priv->uri);
g_object_set (priv->playbin, "uri", priv->uri, NULL);
start_state_change (player, GST_STATE_PLAYING, FINISH_TRACK_CHANGE);
}
break;
case STOP_TICK_TIMER:
if (error != NULL) {
g_warning ("unable to pause playback: %s\n", error->message);
} else {
if (priv->tick_timeout_id != 0) {
g_source_remove (priv->tick_timeout_id);
priv->tick_timeout_id = 0;
}
}
break;
case FINISH_TRACK_CHANGE:
track_change_done (player, error);
break;
}
}
