static gboolean
impl_open (RBPlayer *player,
const char *uri,
gpointer stream_data,
GDestroyNotify stream_data_destroy,
GError **error)
{
RBPlayerGst *mp = RB_PLAYER_GST (player);
if (mp->priv->playbin == NULL) {
if (!construct_pipeline (mp, error))
return FALSE;
}
g_assert (mp->priv->playbin != NULL);
if (uri == NULL) {
return impl_close (player, NULL, error);
}
rb_debug ("setting new uri to %s", uri);
_destroy_next_stream_data (mp);
g_free (mp->priv->prev_uri);
mp->priv->prev_uri = mp->priv->uri;
mp->priv->uri = g_strdup (uri);
mp->priv->next_stream_data = stream_data;
mp->priv->next_stream_data_destroy = stream_data_destroy;
mp->priv->emitted_error = FALSE;
mp->priv->stream_change_pending = TRUE;
return TRUE;
}
static float
impl_get_volume (RBPlayer *player)
{
RBPlayerGst *mp = RB_PLAYER_GST (player);
return mp->priv->cur_volume;
}
static gboolean
impl_playing (RBPlayer *player)
{
RBPlayerGst *mp = RB_PLAYER_GST (player);
return mp->priv->playing;
}
static gboolean
impl_opened (RBPlayer *player)
{
RBPlayerGst *mp = RB_PLAYER_GST (player);
return mp->priv->uri != NULL;
}
static void
impl_dispose (GObject *object)
{
RBPlayerGst *mp;
mp = RB_PLAYER_GST (object);
if (mp->priv->tick_timeout_id != 0) {
g_source_remove (mp->priv->tick_timeout_id);
mp->priv->tick_timeout_id = 0;
}
if (mp->priv->playbin != NULL) {
gst_element_set_state (mp->priv->playbin, GST_STATE_NULL);
g_object_unref (mp->priv->playbin);
mp->priv->playbin = NULL;
mp->priv->audio_sink = NULL;
}
if (mp->priv->waiting_tees != NULL) {
g_list_foreach (mp->priv->waiting_tees, (GFunc)gst_object_sink, NULL);
g_list_free (mp->priv->waiting_tees);
mp->priv->waiting_tees = NULL;
}
if (mp->priv->waiting_filters != NULL) {
g_list_foreach (mp->priv->waiting_filters, (GFunc)gst_object_sink, NULL);
g_list_free (mp->priv->waiting_filters);
mp->priv->waiting_filters = NULL;
}
G_OBJECT_CLASS (rb_player_gst_parent_class)->dispose (object);
}
static gboolean
impl_close (RBPlayer *player, const char *uri, GError **error)
{
RBPlayerGst *mp = RB_PLAYER_GST (player);
if ((uri != NULL) && (mp->priv->uri != NULL) && strcmp (mp->priv->uri, uri) == 0) {
rb_debug ("URI doesn't match current playing URI; ignoring");
return TRUE;
}
mp->priv->playing = FALSE;
mp->priv->buffering = FALSE;
mp->priv->current_track_finishing = FALSE;
_destroy_stream_data (mp);
if (uri == NULL) {
_destroy_next_stream_data (mp);
}
g_free (mp->priv->uri);
g_free (mp->priv->prev_uri);
mp->priv->uri = NULL;
mp->priv->prev_uri = NULL;
if (mp->priv->tick_timeout_id != 0) {
g_source_remove (mp->priv->tick_timeout_id);
mp->priv->tick_timeout_id = 0;
}
if (mp->priv->playbin != NULL) {
start_state_change (mp, GST_STATE_NULL, PLAYER_SHUTDOWN);
}
return TRUE;
}
static void
impl_get_property (GObject *object,
guint prop_id,
GValue *value,
GParamSpec *pspec)
{
RBPlayerGst *mp = RB_PLAYER_GST (object);
switch (prop_id) {
case PROP_PLAYBIN:
g_value_set_object (value, mp->priv->playbin);
break;
case PROP_BUS:
if (mp->priv->playbin) {
GstBus *bus;
bus = gst_element_get_bus (mp->priv->playbin);
g_value_set_object (value, bus);
gst_object_unref (bus);
}
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
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;
}
static gboolean
impl_add_filter (RBPlayerGstFilter *player, GstElement *element)
{
RBPlayerGst *mp = RB_PLAYER_GST (player);
if (mp->priv->filterbin == NULL) {
mp->priv->waiting_filters = g_list_prepend (mp->priv->waiting_filters, element);
return TRUE;
}
return rb_gst_add_filter (RB_PLAYER (mp), mp->priv->filterbin, element, need_pad_blocking (mp));
}
static gboolean
impl_add_tee (RBPlayerGstTee *player, GstElement *element)
{
RBPlayerGst *mp = RB_PLAYER_GST (player);
if (mp->priv->tee == NULL) {
mp->priv->waiting_tees = g_list_prepend (mp->priv->waiting_tees, element);
return TRUE;
}
return rb_gst_add_tee (RB_PLAYER (player), mp->priv->tee, element, need_pad_blocking (mp));
}
static gboolean
impl_remove_filter (RBPlayerGstFilter *player, GstElement *element)
{
RBPlayerGst *mp = RB_PLAYER_GST (player);
if (mp->priv->filterbin == NULL) {
gst_object_sink (element);
mp->priv->waiting_filters = g_list_remove (mp->priv->waiting_filters, element);
return TRUE;
}
return rb_gst_remove_filter (RB_PLAYER (mp), mp->priv->filterbin, element, need_pad_blocking (mp));
}
static void
impl_set_time (RBPlayer *player, gint64 time)
{
RBPlayerGst *mp = RB_PLAYER_GST (player);
rb_debug ("seeking to %" G_GINT64_FORMAT, time);
gst_element_seek (mp->priv->playbin, 1.0,
GST_FORMAT_TIME, GST_SEEK_FLAG_FLUSH,
GST_SEEK_TYPE_SET, time,
GST_SEEK_TYPE_NONE, -1);
gst_element_get_state (mp->priv->playbin, NULL, NULL, 100 * GST_MSECOND);
}
static gboolean
impl_remove_tee (RBPlayerGstTee *player, GstElement *element)
{
RBPlayerGst *mp = RB_PLAYER_GST (player);
if (mp->priv->tee == NULL) {
gst_object_sink (element);
mp->priv->waiting_tees = g_list_remove (mp->priv->waiting_tees, element);
return TRUE;
}
return rb_gst_remove_tee (RB_PLAYER (mp), mp->priv->tee, element, need_pad_blocking (mp));
}
static void
impl_pause (RBPlayer *player)
{
RBPlayerGst *mp = RB_PLAYER_GST (player);
if (!mp->priv->playing)
return;
mp->priv->playing = FALSE;
g_return_if_fail (mp->priv->playbin != NULL);
start_state_change (mp, GST_STATE_PAUSED, STOP_TICK_TIMER);
}
static gint64
impl_get_time (RBPlayer *player)
{
RBPlayerGst *mp = RB_PLAYER_GST (player);
if (mp->priv->playbin != NULL) {
gint64 position = -1;
GstFormat fmt = GST_FORMAT_TIME;
gst_element_query_position (mp->priv->playbin, &fmt, &position);
return position;
} else {
return -1;
}
}
static void
impl_set_volume (RBPlayer *player,
float volume)
{
RBPlayerGst *mp = RB_PLAYER_GST (player);
g_return_if_fail (volume >= 0.0 && volume <= 1.0);
mp->priv->volume_changed++;
if (mp->priv->volume_applied > 0) {
set_playbin_volume (mp, volume);
mp->priv->volume_applied = mp->priv->volume_changed;
} else {
/* volume will be applied in the first call to impl_play */
}
mp->priv->cur_volume = volume;
}
static void
impl_set_property (GObject *object,
guint prop_id,
const GValue *value,
GParamSpec *pspec)
{
RBPlayerGst *mp = RB_PLAYER_GST (object);
switch (prop_id) {
case PROP_BUFFER_SIZE:
mp->priv->buffer_size = g_value_get_uint (value);
if (mp->priv->playbin != NULL) {
rb_debug ("setting buffer size on playbin: %d", mp->priv->buffer_size * 1024);
g_object_set (mp->priv->playbin, "buffer-size", mp->priv->buffer_size * 1024, NULL);
}
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
static gboolean
impl_seekable (RBPlayer *player)
{
RBPlayerGst *mp = RB_PLAYER_GST (player);
gboolean can_seek = TRUE;
GstQuery *query;
if (mp->priv->playbin == NULL)
return FALSE;
query = gst_query_new_seeking (GST_FORMAT_TIME);
if (gst_element_query (mp->priv->playbin, query)) {
gst_query_parse_seeking (query, NULL, &can_seek, NULL, NULL);
} else {
gst_query_unref (query);
query = gst_query_new_duration (GST_FORMAT_TIME);
can_seek = gst_element_query (mp->priv->playbin, query);
}
gst_query_unref (query);
return can_seek;
}