static void
pad_removed_cb (GstElement * timeline, GstPad * pad, GESPipeline * self)
{
OutputChain *chain;
GESTrack *track;
GstPad *peer;
GST_DEBUG_OBJECT (self, "pad removed %s:%s", GST_DEBUG_PAD_NAME (pad));
if (G_UNLIKELY (!(track =
ges_timeline_get_track_for_pad (self->priv->timeline, pad)))) {
GST_WARNING_OBJECT (self, "Couldn't find coresponding track !");
return;
}
if (G_UNLIKELY (!(chain = get_output_chain_for_track (self, track)))) {
GST_DEBUG_OBJECT (self, "Pad wasn't used");
return;
}
/* Unlink encodebin */
if (chain->encodebinpad) {
peer = gst_pad_get_peer (chain->encodebinpad);
gst_pad_unlink (peer, chain->encodebinpad);
gst_object_unref (peer);
gst_element_release_request_pad (self->priv->encodebin,
chain->encodebinpad);
}
/* Unlink playsink */
if (chain->playsinkpad) {
peer = gst_pad_get_peer (chain->playsinkpad);
gst_pad_unlink (peer, chain->playsinkpad);
gst_object_unref (peer);
gst_element_release_request_pad (self->priv->playsink, chain->playsinkpad);
gst_object_unref (chain->playsinkpad);
}
if (chain->blocked_pad) {
GST_DEBUG_OBJECT (chain->blocked_pad, "unblocking pad");
gst_pad_remove_probe (chain->blocked_pad, chain->probe_id);
gst_object_unref (chain->blocked_pad);
chain->blocked_pad = NULL;
chain->probe_id = 0;
}
/* Unlike/remove tee */
peer = gst_element_get_static_pad (chain->tee, "sink");
gst_pad_unlink (pad, peer);
gst_object_unref (peer);
gst_element_set_state (chain->tee, GST_STATE_NULL);
gst_bin_remove (GST_BIN (self), chain->tee);
self->priv->chains = g_list_remove (self->priv->chains, chain);
g_free (chain);
GST_DEBUG ("done");
}
static void
_unlink_track (GESPipeline * self, GESTrack * track)
{
OutputChain *chain;
GST_DEBUG_OBJECT (self, "Unlinking removed %" GST_PTR_FORMAT, track);
if (G_UNLIKELY (!(chain = get_output_chain_for_track (self, track)))) {
GST_DEBUG_OBJECT (self, "Track wasn't used");
return;
}
/* Unlink encodebin */
if (chain->encodebinpad) {
GstPad *peer = gst_pad_get_peer (chain->encodebinpad);
gst_pad_unlink (peer, chain->encodebinpad);
gst_object_unref (peer);
gst_element_release_request_pad (self->priv->encodebin,
chain->encodebinpad);
gst_object_unref (chain->encodebinpad);
}
/* Unlink playsink */
if (chain->playsinkpad) {
GstPad *peer = gst_pad_get_peer (chain->playsinkpad);
gst_pad_unlink (peer, chain->playsinkpad);
gst_object_unref (peer);
gst_element_release_request_pad (self->priv->playsink, chain->playsinkpad);
gst_object_unref (chain->playsinkpad);
}
gst_element_set_state (chain->tee, GST_STATE_NULL);
gst_bin_remove (GST_BIN (self), chain->tee);
if (chain->query_position_id) {
g_signal_handler_disconnect (ges_track_get_composition (track),
chain->query_position_id);
chain->query_position_id = 0;
}
self->priv->chains = g_list_remove (self->priv->chains, chain);
g_free (chain);
GST_DEBUG ("done");
}
static void
pad_added_cb (GstElement * timeline, GstPad * pad, GESTimelinePipeline * self)
{
OutputChain *chain;
GESTrack *track;
GstPad *sinkpad;
gboolean reconfigured = FALSE;
GST_DEBUG_OBJECT (self, "new pad %s:%s , caps:%" GST_PTR_FORMAT,
GST_DEBUG_PAD_NAME (pad), GST_PAD_CAPS (pad));
if (G_UNLIKELY (!(track =
ges_timeline_get_track_for_pad (self->priv->timeline, pad)))) {
GST_WARNING_OBJECT (self, "Couldn't find coresponding track !");
return;
}
/* Don't connect track if it's not going to be used */
if (track->type == GES_TRACK_TYPE_VIDEO &&
!(self->priv->mode & TIMELINE_MODE_PREVIEW_VIDEO) &&
!(self->priv->mode & TIMELINE_MODE_RENDER) &&
!(self->priv->mode & TIMELINE_MODE_SMART_RENDER)) {
GST_DEBUG_OBJECT (self, "Video track... but we don't need it. Not linking");
}
if (track->type == GES_TRACK_TYPE_AUDIO &&
!(self->priv->mode & TIMELINE_MODE_PREVIEW_AUDIO) &&
!(self->priv->mode & TIMELINE_MODE_RENDER) &&
!(self->priv->mode & TIMELINE_MODE_SMART_RENDER)) {
GST_DEBUG_OBJECT (self, "Audio track... but we don't need it. Not linking");
}
/* Get an existing chain or create it */
if (!(chain = get_output_chain_for_track (self, track)))
chain = new_output_chain_for_track (self, track);
chain->srcpad = pad;
/* Adding tee */
chain->tee = gst_element_factory_make ("tee", NULL);
gst_bin_add (GST_BIN_CAST (self), chain->tee);
gst_element_sync_state_with_parent (chain->tee);
/* Linking pad to tee */
sinkpad = gst_element_get_static_pad (chain->tee, "sink");
gst_pad_link_full (pad, sinkpad, GST_PAD_LINK_CHECK_NOTHING);
gst_object_unref (sinkpad);
/* Connect playsink */
if (self->priv->mode & TIMELINE_MODE_PREVIEW) {
const gchar *sinkpad_name;
GstPad *tmppad;
GST_DEBUG_OBJECT (self, "Connecting to playsink");
switch (track->type) {
case GES_TRACK_TYPE_VIDEO:
sinkpad_name = "video_sink";
break;
case GES_TRACK_TYPE_AUDIO:
sinkpad_name = "audio_sink";
break;
case GES_TRACK_TYPE_TEXT:
sinkpad_name = "text_sink";
break;
default:
GST_WARNING_OBJECT (self, "Can't handle tracks of type %d yet",
track->type);
goto error;
}
/* Request a sinkpad from playsink */
if (G_UNLIKELY (!(sinkpad =
gst_element_get_request_pad (self->priv->playsink,
sinkpad_name)))) {
GST_ERROR_OBJECT (self, "Couldn't get a pad from the playsink !");
goto error;
}
tmppad = gst_element_get_request_pad (chain->tee, "src%d");
if (G_UNLIKELY (gst_pad_link_full (tmppad, sinkpad,
GST_PAD_LINK_CHECK_NOTHING) != GST_PAD_LINK_OK)) {
GST_ERROR_OBJECT (self, "Couldn't link track pad to playsink");
gst_object_unref (tmppad);
goto error;
}
gst_object_unref (tmppad);
GST_DEBUG ("Reconfiguring playsink");
/* reconfigure playsink */
g_signal_emit_by_name (self->priv->playsink, "reconfigure", &reconfigured);
GST_DEBUG ("'reconfigure' returned %d", reconfigured);
/* We still hold a reference on the sinkpad */
chain->playsinkpad = sinkpad;
}
/* Connect to encodebin */
if (self->priv->mode & (TIMELINE_MODE_RENDER | TIMELINE_MODE_SMART_RENDER)) {
GstPad *tmppad;
GST_DEBUG_OBJECT (self, "Connecting to encodebin");
if (!chain->encodebinpad) {
/* Check for unused static pads */
sinkpad = get_compatible_unlinked_pad (self->priv->encodebin, pad);
if (sinkpad == NULL) {
GstCaps *caps = gst_pad_get_caps_reffed (pad);
/* If no compatible static pad is available, request a pad */
g_signal_emit_by_name (self->priv->encodebin, "request-pad", caps,
&sinkpad);
gst_caps_unref (caps);
if (G_UNLIKELY (sinkpad == NULL)) {
GST_ERROR_OBJECT (self, "Couldn't get a pad from encodebin !");
goto error;
}
}
chain->encodebinpad = sinkpad;
}
tmppad = gst_element_get_request_pad (chain->tee, "src%d");
if (G_UNLIKELY (gst_pad_link_full (tmppad,
chain->encodebinpad,
GST_PAD_LINK_CHECK_NOTHING) != GST_PAD_LINK_OK)) {
GST_WARNING_OBJECT (self, "Couldn't link track pad to playsink");
goto error;
}
gst_object_unref (tmppad);
}
/* If chain wasn't already present, insert it in list */
if (!get_output_chain_for_track (self, track))
self->priv->chains = g_list_append (self->priv->chains, chain);
GST_DEBUG ("done");
return;
error:
{
if (chain->tee) {
gst_bin_remove (GST_BIN_CAST (self), chain->tee);
}
if (sinkpad)
gst_object_unref (sinkpad);
g_free (chain);
}
}
