{
GESVideoStandardTransitionType type;
- /* prevents cases where the transition has not been changed yet */
+ /* prevents cases where the transitions have not been created yet */
GESVideoStandardTransitionType pending_type;
/* these enable video interpolation */
- GstControlSource *control_source;
+ GstTimedValueControlSource *crossfade_control_source;
+ GstTimedValueControlSource *smpte_control_source;
/* so we can support changing between wipes */
- GstElement *topbin;
GstElement *smpte;
- GstElement *mixer;
- GstPad *sinka;
- GstPad *sinkb;
- /* these will be different depending on whether smptealpha or alpha element
- * is used */
- gdouble start_value;
- gdouble end_value;
- guint64 dur;
+ GstPad *mixer_sink;
+
+ GstElement *mixer;
+ GstPad *mixer_sinka;
+ GstPad *mixer_sinkb;
/* This is in case the smpte doesn't exist yet */
gint pending_border_value;
#define fast_element_link(a,b) gst_element_link_pads_full((a),"src",(b),"sink",GST_PAD_LINK_CHECK_NOTHING)
-static GObject *link_element_to_mixer (GstElement * element,
- GstElement * mixer);
-
static GObject *link_element_to_mixer_with_smpte (GstBin * bin,
GstElement * element, GstElement * mixer, gint type,
- GstElement ** smpteref);
+ GstElement ** smpteref, GESVideoTransitionPrivate * priv);
static void
ges_video_transition_duration_changed (GESTrackElement * self,
properties[PROP_TRANSITION_TYPE] =
g_param_spec_enum ("transition-type", "Transition type",
"The type of the transition", GES_VIDEO_STANDARD_TRANSITION_TYPE_TYPE,
- GES_VIDEO_STANDARD_TRANSITION_TYPE_NONE, G_PARAM_READWRITE);
+ GES_VIDEO_STANDARD_TRANSITION_TYPE_CROSSFADE, G_PARAM_READWRITE);
g_object_class_install_property (object_class, PROP_TRANSITION_TYPE,
properties[PROP_TRANSITION_TYPE]);
self->priv = G_TYPE_INSTANCE_GET_PRIVATE (self,
GES_TYPE_VIDEO_TRANSITION, GESVideoTransitionPrivate);
- self->priv->control_source = NULL;
+ self->priv->crossfade_control_source = NULL;
+ self->priv->smpte_control_source = NULL;
self->priv->smpte = NULL;
+ self->priv->mixer_sink = NULL;
self->priv->mixer = NULL;
- self->priv->sinka = NULL;
- self->priv->sinkb = NULL;
- self->priv->topbin = NULL;
- self->priv->type = GES_VIDEO_STANDARD_TRANSITION_TYPE_NONE;
+ self->priv->mixer_sinka = NULL;
+ self->priv->mixer_sinkb = NULL;
self->priv->pending_type = GES_VIDEO_STANDARD_TRANSITION_TYPE_NONE;
- self->priv->start_value = 0.0;
- self->priv->end_value = 0.0;
- self->priv->dur = 42;
- self->priv->pending_border_value = -1;
- self->priv->pending_inverted = FALSE;
+ self->priv->pending_border_value = 0;
+ self->priv->pending_inverted = TRUE;
+}
+
+static void
+release_mixer (GstElement ** mixer, GstPad ** sinka, GstPad ** sinkb)
+{
+ if (*sinka && *sinkb) {
+ gst_element_release_request_pad (*mixer, *sinka);
+ gst_element_release_request_pad (*mixer, *sinkb);
+ gst_object_unref (*sinka);
+ gst_object_unref (*sinkb);
+ *sinka = NULL;
+ *sinkb = NULL;
+ }
+
+ if (*mixer) {
+ gst_object_unref (*mixer);
+ *mixer = NULL;
+ }
}
static void
GESVideoTransitionPrivate *priv = self->priv;
GST_DEBUG ("disposing");
- GST_LOG ("mixer: %p smpte: %p sinka: %p sinkb: %p",
- priv->mixer, priv->smpte, priv->sinka, priv->sinkb);
- if (priv->control_source) {
- if (priv->control_source)
- gst_object_unref (priv->control_source);
- priv->control_source = NULL;
+ if (priv->crossfade_control_source) {
+ gst_object_unref (priv->crossfade_control_source);
+ priv->crossfade_control_source = NULL;
}
- if (priv->sinka && priv->sinkb) {
- GST_DEBUG ("releasing request pads for mixer");
- gst_element_release_request_pad (priv->mixer, priv->sinka);
- gst_element_release_request_pad (priv->mixer, priv->sinkb);
- gst_object_unref (priv->sinka);
- gst_object_unref (priv->sinkb);
- priv->sinka = NULL;
- priv->sinkb = NULL;
+ if (priv->smpte_control_source) {
+ gst_object_unref (priv->smpte_control_source);
+ priv->smpte_control_source = NULL;
}
- if (priv->mixer) {
- GST_LOG ("unrefing mixer");
- gst_object_unref (priv->mixer);
- priv->mixer = NULL;
- }
+ release_mixer (&priv->mixer, &priv->mixer_sinka, &priv->mixer_sinkb);
g_signal_handlers_disconnect_by_func (GES_TRACK_ELEMENT (self),
duration_changed_cb, NULL);
}
}
-static GstElement *
-create_mixer (GstElement * topbin)
-{
- GstElement *mixer = NULL;
-
- mixer = gst_element_factory_make ("videomixer", NULL);
- g_object_set (G_OBJECT (mixer), "background", 1, NULL);
- gst_bin_add (GST_BIN (topbin), mixer);
-
- return (mixer);
-}
-
-static void
+static GstTimedValueControlSource *
set_interpolation (GstObject * element, GESVideoTransitionPrivate * priv,
const gchar * propname)
{
- GstTimedValueControlSource *ts;
-
- if (priv->control_source) {
- ts = GST_TIMED_VALUE_CONTROL_SOURCE (priv->control_source);
-
- gst_timed_value_control_source_unset_all (ts);
- gst_object_unref (priv->control_source);
- }
+ GstControlSource *control_source;
g_object_set (element, propname, (gfloat) 0.0, NULL);
- priv->control_source = gst_interpolation_control_source_new ();
+ control_source = gst_interpolation_control_source_new ();
gst_object_add_control_binding (GST_OBJECT (element),
gst_direct_control_binding_new (GST_OBJECT (element), propname,
- priv->control_source));
- g_object_set (priv->control_source, "mode", GST_INTERPOLATION_MODE_LINEAR,
- NULL);
-
+ control_source));
+ g_object_set (control_source, "mode", GST_INTERPOLATION_MODE_LINEAR, NULL);
+ return GST_TIMED_VALUE_CONTROL_SOURCE (control_source);
}
static GstElement *
ges_video_transition_create_element (GESTrackElement * object)
{
GstElement *topbin, *iconva, *iconvb, *scalea, *scaleb, *capsfilt, *oconv;
- GstObject *target = NULL;
- const gchar *propname = NULL;
GstElement *mixer = NULL;
GstPad *sinka_target, *sinkb_target, *src_target, *sinka, *sinkb, *src,
*srca_pad;
GST_LOG ("creating a video bin");
topbin = gst_bin_new ("transition-bin");
+
iconva = gst_element_factory_make ("videoconvert", "tr-csp-a");
iconvb = gst_element_factory_make ("videoconvert", "tr-csp-b");
scalea = gst_element_factory_make ("videoscale", "vs-a");
g_object_set (G_OBJECT (mixer), "background", 1, NULL);
gst_bin_add (GST_BIN (topbin), mixer);
- if (priv->pending_type != GES_VIDEO_STANDARD_TRANSITION_TYPE_CROSSFADE) {
- priv->sinka =
- (GstPad *) link_element_to_mixer_with_smpte (GST_BIN (topbin), iconva,
- mixer, priv->pending_type, NULL);
- priv->sinkb =
- (GstPad *) link_element_to_mixer_with_smpte (GST_BIN (topbin), iconvb,
- mixer, priv->pending_type, &priv->smpte);
- target = GST_OBJECT (priv->smpte);
- propname = "position";
- priv->start_value = 1.0;
- priv->end_value = 0.0;
- } else {
- gst_element_link_pads_full (iconva, "src", scalea, "sink",
- GST_PAD_LINK_CHECK_NOTHING);
- gst_element_link_pads_full (iconvb, "src", scaleb, "sink",
- GST_PAD_LINK_CHECK_NOTHING);
- gst_element_link_pads_full (scaleb, "src", capsfilt, "sink",
- GST_PAD_LINK_CHECK_NOTHING);
-
- priv->sinka = (GstPad *) link_element_to_mixer (scalea, mixer);
- priv->sinkb = (GstPad *) link_element_to_mixer (capsfilt, mixer);
- target = GST_OBJECT (priv->sinkb);
- propname = "alpha";
- priv->start_value = 0.0;
- priv->end_value = 1.0;
- }
-
- priv->mixer = gst_object_ref (mixer);
+ gst_element_link_pads_full (iconva, "src", scalea, "sink",
+ GST_PAD_LINK_CHECK_NOTHING);
+ gst_element_link_pads_full (iconvb, "src", scaleb, "sink",
+ GST_PAD_LINK_CHECK_NOTHING);
+ gst_element_link_pads_full (scaleb, "src", capsfilt, "sink",
+ GST_PAD_LINK_CHECK_NOTHING);
+
+ priv->mixer_sinka =
+ (GstPad *) link_element_to_mixer_with_smpte (GST_BIN (topbin), scalea,
+ mixer, GES_VIDEO_STANDARD_TRANSITION_TYPE_BAR_WIPE_LR, NULL, priv);
+ priv->mixer_sinkb =
+ (GstPad *) link_element_to_mixer_with_smpte (GST_BIN (topbin), capsfilt,
+ mixer, GES_VIDEO_STANDARD_TRANSITION_TYPE_BAR_WIPE_LR, &priv->smpte,
+ priv);
fast_element_link (mixer, oconv);
/* set up interpolation */
- set_interpolation (target, priv, propname);
+ priv->crossfade_control_source =
+ set_interpolation (GST_OBJECT (priv->mixer_sinkb), priv, "alpha");
+ priv->smpte_control_source =
+ set_interpolation (GST_OBJECT (priv->smpte), priv, "position");
+ priv->mixer = gst_object_ref (mixer);
+
+ if (priv->pending_type)
+ ges_video_transition_set_transition_type_internal (self,
+ priv->pending_type);
+ else
+ ges_video_transition_set_transition_type_internal (self, priv->type);
+
ges_video_transition_duration_changed (object,
ges_timeline_element_get_duration (GES_TIMELINE_ELEMENT (object)));
- priv->topbin = topbin;
- priv->type = priv->pending_type;
-
g_signal_connect (object, "notify::duration",
G_CALLBACK (duration_changed_cb), NULL);
- return topbin;
-}
-
-static void
-add_smpte_to_bin (GstPad * sink, GstElement * smptealpha,
- GESVideoTransitionPrivate * priv)
-{
- GstPad *peer, *sinkpad;
-
- g_object_set (smptealpha,
- "type", (gint) priv->pending_type, "invert", (gboolean) TRUE, NULL);
- gst_bin_add (GST_BIN (priv->topbin), smptealpha);
- gst_element_sync_state_with_parent (smptealpha);
-
- sinkpad = gst_element_get_static_pad (smptealpha, "sink");
- peer = gst_pad_get_peer (sink);
- gst_pad_unlink (peer, sink);
-
- gst_pad_link_full (peer, sinkpad, GST_PAD_LINK_CHECK_NOTHING);
-
- gst_object_unref (sinkpad);
- gst_object_unref (peer);
-}
-
-static void
-replace_mixer (GESVideoTransitionPrivate * priv)
-{
- GstPad *mixer_src_pad, *color_sink_pad;
-
- mixer_src_pad = gst_element_get_static_pad (priv->mixer, "src");
- color_sink_pad = gst_pad_get_peer (mixer_src_pad);
-
- gst_element_set_state (priv->mixer, GST_STATE_NULL);
- gst_bin_remove (GST_BIN (priv->topbin), priv->mixer);
-
- gst_object_unref (priv->mixer);
-
- priv->mixer = gst_object_ref (create_mixer (priv->topbin));
-
- gst_element_sync_state_with_parent (priv->mixer);
-
- gst_object_unref (mixer_src_pad);
-
- mixer_src_pad = gst_element_get_static_pad (priv->mixer, "src");
- gst_pad_link (mixer_src_pad, color_sink_pad);
-
- gst_object_unref (mixer_src_pad);
- gst_object_unref (color_sink_pad);
-
-}
-
-static GstPadProbeReturn
-switch_to_smpte_cb (GstPad * sink, gboolean blocked,
- GESVideoTransition * transition)
-{
- GstElement *smptealpha = gst_element_factory_make ("smptealpha", NULL);
- GstElement *smptealphab = gst_element_factory_make ("smptealpha", NULL);
- GESVideoTransitionPrivate *priv = transition->priv;
-
- if (priv->pending_type == GES_VIDEO_STANDARD_TRANSITION_TYPE_CROSSFADE)
- goto beach;
-
- GST_INFO ("Bin %p switching from crossfade to smpte", priv->topbin);
-
- add_smpte_to_bin (priv->sinka, smptealpha, priv);
- add_smpte_to_bin (priv->sinkb, smptealphab, priv);
-
- if (priv->pending_border_value != -1) {
- g_object_set (smptealphab, "border", priv->pending_border_value, NULL);
- priv->pending_border_value = -1;
- }
-
- if (priv->pending_inverted) {
- g_object_set (smptealphab, "invert", priv->pending_inverted, NULL);
- priv->pending_inverted = FALSE;
- }
-
- replace_mixer (priv);
-
- priv->start_value = 1.0;
- priv->end_value = 0.0;
-
- set_interpolation (GST_OBJECT (smptealphab), priv, (gchar *) "position");
- ges_video_transition_duration_changed (GES_TRACK_ELEMENT (transition),
- priv->dur);
-
-
- priv->sinka = (GstPad *) link_element_to_mixer (smptealpha, priv->mixer);
- priv->sinkb = (GstPad *) link_element_to_mixer (smptealphab, priv->mixer);
-
- priv->smpte = smptealphab;
-
- priv->type = priv->pending_type;
-
- GST_INFO ("Bin %p switched from crossfade to smpte", priv->topbin);
-
-beach:
- priv->pending_type = GES_VIDEO_STANDARD_TRANSITION_TYPE_NONE;
-
- return GST_PAD_PROBE_REMOVE;
-}
-
-static GstElement *
-remove_smpte_from_bin (GESVideoTransitionPrivate * priv, GstPad * sink)
-{
- GstPad *smpte_src, *peer_src, *smpte_sink;
- GstElement *smpte, *peer;
-
- smpte_src = gst_pad_get_peer (sink);
- smpte = gst_pad_get_parent_element (smpte_src);
-
- if (smpte == NULL) {
- gst_object_unref (smpte_src);
- GST_ERROR ("The pad %" GST_PTR_FORMAT " has no parent element. "
- "This should not happen", smpte_src);
- return (NULL);
- }
-
- smpte_sink = gst_element_get_static_pad (smpte, "sink");
- peer_src = gst_pad_get_peer (smpte_sink);
- peer = gst_pad_get_parent_element (peer_src);
-
- gst_pad_unlink (peer_src, smpte_sink);
- gst_pad_unlink (smpte_src, sink);
-
- gst_element_set_state (smpte, GST_STATE_NULL);
- gst_bin_remove (GST_BIN (priv->topbin), smpte);
-
- gst_object_unref (smpte);
- gst_object_unref (smpte_sink);
- gst_object_unref (smpte_src);
- gst_object_unref (peer_src);
- return (peer);
-}
-
-static GstPadProbeReturn
-switch_to_crossfade_cb (GstPad * sink, gboolean blocked,
- GESVideoTransition * transition)
-{
- GstElement *peera;
- GstElement *peerb;
- GESVideoTransitionPrivate *priv = transition->priv;
-
- GST_INFO ("Bin %p switching from smpte to crossfade", priv->topbin);
-
- if (priv->pending_type != GES_VIDEO_STANDARD_TRANSITION_TYPE_CROSSFADE)
- goto beach;
-
- peera = remove_smpte_from_bin (priv, priv->sinka);
- peerb = remove_smpte_from_bin (priv, priv->sinkb);
- if (!peera || !peerb)
- goto beach;
-
- replace_mixer (priv);
-
- priv->sinka = (GstPad *) link_element_to_mixer (peera, priv->mixer);
- priv->sinkb = (GstPad *) link_element_to_mixer (peerb, priv->mixer);
-
- priv->start_value = 0.0;
- priv->end_value = 1.0;
- set_interpolation (GST_OBJECT (priv->sinkb), priv, (gchar *) "alpha");
- ges_video_transition_duration_changed (GES_TRACK_ELEMENT (transition),
- priv->dur);
-
- priv->smpte = NULL;
-
- gst_object_unref (peera);
- gst_object_unref (peerb);
-
- priv->type = priv->pending_type;
-
- GST_INFO ("Bin %p switched from smpte to crossfade", priv->topbin);
-
-beach:
priv->pending_type = GES_VIDEO_STANDARD_TRANSITION_TYPE_NONE;
- return GST_PAD_PROBE_REMOVE;
-}
-
-static GObject *
-link_element_to_mixer (GstElement * element, GstElement * mixer)
-{
- GstPad *sinkpad = gst_element_get_request_pad (mixer, "sink_%u");
- GstPad *srcpad = gst_element_get_static_pad (element, "src");
-
- gst_pad_link_full (srcpad, sinkpad, GST_PAD_LINK_CHECK_NOTHING);
- gst_object_unref (srcpad);
-
- return G_OBJECT (sinkpad);
+ return topbin;
}
static GObject *
link_element_to_mixer_with_smpte (GstBin * bin, GstElement * element,
- GstElement * mixer, gint type, GstElement ** smpteref)
+ GstElement * mixer, gint type, GstElement ** smpteref,
+ GESVideoTransitionPrivate * priv)
{
GstPad *srcpad, *sinkpad;
GstElement *smptealpha = gst_element_factory_make ("smptealpha", NULL);
g_object_set (G_OBJECT (smptealpha),
- "type", (gint) type, "invert", (gboolean) TRUE, NULL);
+ "type", (gint) type, "invert", (gboolean) priv->pending_inverted,
+ "border", priv->pending_border_value, NULL);
gst_bin_add (bin, smptealpha);
fast_element_link (element, smptealpha);
return G_OBJECT (sinkpad);
}
+static void
+ges_video_transition_update_control_source (GstTimedValueControlSource * ts,
+ guint64 duration, gdouble start_value, gdouble end_value)
+{
+ gst_timed_value_control_source_unset_all (ts);
+ gst_timed_value_control_source_set (ts, 0, start_value);
+ gst_timed_value_control_source_set (ts, duration, end_value);
+}
+
static void
ges_video_transition_duration_changed (GESTrackElement * object,
guint64 duration)
{
GESVideoTransition *self = GES_VIDEO_TRANSITION (object);
GESVideoTransitionPrivate *priv = self->priv;
- GstTimedValueControlSource *ts;
GST_LOG ("updating controller");
- if (G_UNLIKELY (!priv->control_source))
- return;
-
- ts = GST_TIMED_VALUE_CONTROL_SOURCE (priv->control_source);
-
- GST_INFO ("duration: %" G_GUINT64_FORMAT, duration);
- GST_LOG ("setting values on controller");
-
- gst_timed_value_control_source_unset_all (ts);
- gst_timed_value_control_source_set (ts, 0, priv->start_value);
- gst_timed_value_control_source_set (ts, duration, priv->end_value);
+ if (priv->type == GES_VIDEO_STANDARD_TRANSITION_TYPE_CROSSFADE) {
+ ges_video_transition_update_control_source (priv->crossfade_control_source,
+ duration, 0.0, 1.0);
+ ges_video_transition_update_control_source (priv->smpte_control_source,
+ duration, 0.0, 0.0);
+ } else {
+ ges_video_transition_update_control_source (priv->crossfade_control_source,
+ duration, 1.0, 1.0);
+ ges_video_transition_update_control_source (priv->smpte_control_source,
+ duration, 1.0, 0.0);
+ }
- priv->dur = duration;
GST_LOG ("done updating controller");
}
g_object_set (priv->smpte, "invert", !inverted, NULL);
}
-
static inline gboolean
ges_video_transition_set_transition_type_internal (GESVideoTransition
* self, GESVideoStandardTransitionType type)
{
GESVideoTransitionPrivate *priv = self->priv;
+ guint64 duration =
+ ges_timeline_element_get_duration (GES_TIMELINE_ELEMENT (self));
GST_DEBUG ("%p %d => %d", self, priv->type, type);
- if (type == priv->type && !priv->pending_type) {
- GST_INFO ("This type is already set on this transition\n");
+ if (!priv->mixer) {
+ priv->pending_type = type;
return TRUE;
}
- if (type == priv->pending_type) {
- GST_INFO ("This type is already pending for this transition\n");
+ if (type == priv->type) {
+ GST_ERROR ("This type is already set on this transition\n");
return TRUE;
}
- if (priv->type &&
- ((priv->type != type) || (priv->type != priv->pending_type)) &&
- ((type == GES_VIDEO_STANDARD_TRANSITION_TYPE_CROSSFADE) ||
- (priv->type == GES_VIDEO_STANDARD_TRANSITION_TYPE_CROSSFADE))) {
- GstPad *pad = gst_element_get_static_pad (priv->topbin, "sinka");
-
- priv->pending_type = type;
- if (type != GES_VIDEO_STANDARD_TRANSITION_TYPE_CROSSFADE) {
- if (!priv->topbin)
- return FALSE;
- priv->smpte = NULL;
- gst_pad_add_probe (pad, GST_PAD_PROBE_TYPE_IDLE,
- (GstPadProbeCallback) switch_to_smpte_cb, self, NULL);
- } else {
- if (!priv->topbin)
- return FALSE;
- priv->start_value = 1.0;
- priv->end_value = 0.0;
- gst_pad_add_probe (pad, GST_PAD_PROBE_TYPE_IDLE,
- (GstPadProbeCallback) switch_to_crossfade_cb, self, NULL);
- }
- return TRUE;
+ if (type == GES_VIDEO_STANDARD_TRANSITION_TYPE_CROSSFADE) {
+ ges_video_transition_update_control_source (priv->crossfade_control_source,
+ duration, 0.0, 1.0);
+ ges_video_transition_update_control_source (priv->smpte_control_source,
+ duration, 0.0, 0.0);
+ } else {
+ ges_video_transition_update_control_source (priv->crossfade_control_source,
+ duration, 1.0, 1.0);
+ ges_video_transition_update_control_source (priv->smpte_control_source,
+ duration, 1.0, 0.0);
}
- priv->pending_type = type;
- if (priv->smpte && (type != GES_VIDEO_STANDARD_TRANSITION_TYPE_CROSSFADE)) {
+
+ priv->type = type;
+
+ if (type != GES_VIDEO_STANDARD_TRANSITION_TYPE_CROSSFADE) {
g_object_set (priv->smpte, "type", (gint) type, NULL);
}
+
return TRUE;
}
projects / platform / upstream / gstreamer.git / commitdiff