mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2025-01-09 00:45:56 +00:00
push make_video_bin() down into subclass
This commit is contained in:
Brandon Lewis
Edward Hervey
parent
6574f0146f
commit
fa98f4cc09
2 changed files with 171 additions and 157 deletions
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@ -34,44 +34,6 @@ G_DEFINE_TYPE (GESTrackTransition, ges_track_transition, GES_TYPE_TRACK_OBJECT);
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GstElement *ges_track_transition_create_element (GESTrackTransition * self,
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GESTrack * track);
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static void
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ges_track_transition_update_vcontroller (GESTrackTransition * self,
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GstElement * gnlobj)
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{
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GValue start_value = { 0, };
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GValue end_value = { 0, };
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guint64 duration;
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GST_LOG ("updating controller");
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if (!gnlobj)
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return;
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if (!(self->vcontroller))
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return;
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GST_LOG ("getting properties");
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g_object_get (G_OBJECT (gnlobj), "duration", (guint64 *) & duration, NULL);
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GST_INFO ("duration: %d\n", duration);
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g_value_init (&start_value, G_TYPE_DOUBLE);
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g_value_init (&end_value, G_TYPE_DOUBLE);
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g_value_set_double (&start_value, self->vstart_value);
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g_value_set_double (&end_value, self->vend_value);
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GST_LOG ("setting values on controller");
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g_assert (GST_IS_CONTROLLER (self->vcontroller));
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g_assert (GST_IS_CONTROL_SOURCE (self->vcontrol_source));
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gst_interpolation_control_source_unset_all (self->vcontrol_source);
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gst_interpolation_control_source_set (self->vcontrol_source, 0, &start_value);
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gst_interpolation_control_source_set (self->vcontrol_source,
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duration, &end_value);
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GST_LOG ("done updating controller");
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}
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static void
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gnlobject_duration_cb (GstElement * gnlobject, GParamSpec * arg
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G_GNUC_UNUSED, GESTrackTransition * self)
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@ -92,9 +54,7 @@ ges_track_transition_duration_changed (GESTrackTransition * self, GstElement
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GESTrackType type;
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type = ((GESTrackObject *) self)->track->type;
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if (type == GES_TRACK_TYPE_VIDEO) {
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ges_track_transition_update_vcontroller (self, gnlobject);
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}
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GST_WARNING ("transitions don't handle this track type!");
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}
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static void
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@ -155,117 +115,6 @@ ges_track_transition_finalize (GObject * object)
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G_OBJECT_CLASS (ges_track_transition_parent_class)->finalize (object);
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}
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static GObject *
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link_element_to_mixer (GstElement * element, GstElement * mixer)
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{
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GstPad *sinkpad = gst_element_get_request_pad (mixer, "sink_%d");
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GstPad *srcpad = gst_element_get_static_pad (element, "src");
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g_assert (sinkpad);
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g_assert (srcpad);
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gst_pad_link (srcpad, sinkpad);
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gst_object_unref (srcpad);
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return G_OBJECT (sinkpad);
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}
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static GObject *
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link_element_to_mixer_with_smpte (GstBin * bin, GstElement * element,
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GstElement * mixer, gint type, GstElement ** smpteref)
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{
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GstElement *smptealpha = gst_element_factory_make ("smptealpha", NULL);
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g_object_set (G_OBJECT (smptealpha),
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"type", (gint) type, "invert", (gboolean) TRUE, NULL);
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gst_bin_add (bin, smptealpha);
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gst_element_link_many (element, smptealpha, mixer, NULL);
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/* crack */
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if (smpteref) {
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*smpteref = smptealpha;
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}
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return G_OBJECT (smptealpha);
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}
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static GstElement *
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create_video_bin (GESTrackTransition * self)
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{
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GstElement *topbin, *iconva, *iconvb, *oconv;
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GObject *target = NULL;
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const gchar *propname = NULL;
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GstElement *mixer = NULL;
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GstPad *sinka_target, *sinkb_target, *src_target, *sinka, *sinkb, *src;
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GstController *controller;
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GstInterpolationControlSource *control_source;
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GST_LOG ("creating a video bin");
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topbin = gst_bin_new ("transition-bin");
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iconva = gst_element_factory_make ("ffmpegcolorspace", "tr-csp-a");
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iconvb = gst_element_factory_make ("ffmpegcolorspace", "tr-csp-b");
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oconv = gst_element_factory_make ("ffmpegcolorspace", "tr-csp-output");
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gst_bin_add_many (GST_BIN (topbin), iconva, iconvb, oconv, NULL);
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mixer = gst_element_factory_make ("videomixer", NULL);
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g_object_set (G_OBJECT (mixer), "background", 1, NULL);
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gst_bin_add (GST_BIN (topbin), mixer);
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if (self->vtype != VTYPE_CROSSFADE) {
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link_element_to_mixer_with_smpte (GST_BIN (topbin), iconva, mixer,
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self->vtype, NULL);
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target = link_element_to_mixer_with_smpte (GST_BIN (topbin), iconvb,
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mixer, self->vtype, &self->vsmpte);
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propname = "position";
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self->vstart_value = 1.0;
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self->vend_value = 0.0;
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} else {
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self->sinka = (GstPad *) link_element_to_mixer (iconva, mixer);
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self->sinkb = (GstPad *) link_element_to_mixer (iconvb, mixer);
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target = (GObject *) self->sinkb;
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self->vmixer = gst_object_ref (mixer);
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propname = "alpha";
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self->vstart_value = 0.0;
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self->vend_value = 1.0;
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}
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gst_element_link (mixer, oconv);
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sinka_target = gst_element_get_static_pad (iconva, "sink");
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sinkb_target = gst_element_get_static_pad (iconvb, "sink");
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src_target = gst_element_get_static_pad (oconv, "src");
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sinka = gst_ghost_pad_new ("sinka", sinka_target);
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sinkb = gst_ghost_pad_new ("sinkb", sinkb_target);
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src = gst_ghost_pad_new ("src", src_target);
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gst_element_add_pad (topbin, src);
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gst_element_add_pad (topbin, sinka);
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gst_element_add_pad (topbin, sinkb);
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gst_object_unref (sinka_target);
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gst_object_unref (sinkb_target);
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gst_object_unref (src_target);
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/* set up interpolation */
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g_object_set (target, propname, (gfloat) 0.0, NULL);
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controller = gst_object_control_properties (target, propname, NULL);
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control_source = gst_interpolation_control_source_new ();
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gst_controller_set_control_source (controller,
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propname, GST_CONTROL_SOURCE (control_source));
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gst_interpolation_control_source_set_interpolation_mode (control_source,
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GST_INTERPOLATE_LINEAR);
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self->vcontroller = controller;
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self->vcontrol_source = control_source;
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return topbin;
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}
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static gboolean
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ges_track_transition_create_gnl_object (GESTrackObject * object)
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{
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@ -300,9 +149,7 @@ GstElement *
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ges_track_transition_create_element (GESTrackTransition * self,
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GESTrack * track)
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{
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if ((track->type) == GES_TRACK_TYPE_VIDEO) {
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return create_video_bin (self);
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}
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GST_WARNING ("transitions don't handle this track type!");
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return gst_element_factory_make ("identity", "invalid-track-type");
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}
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@ -25,6 +25,7 @@
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#include "ges-internal.h"
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#include "ges-track-object.h"
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#include "ges-timeline-transition.h"
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#include "ges-track-video-transition.h"
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G_DEFINE_TYPE (GESTrackVideoTransition, ges_track_video_transition,
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@ -35,6 +36,20 @@ enum
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PROP_0,
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};
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static GObject *link_element_to_mixer (GstElement * element,
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GstElement * mixer);
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static GObject *link_element_to_mixer_with_smpte (GstBin * bin,
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GstElement * element, GstElement * mixer, gint type,
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GstElement ** smpteref);
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static void
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ges_track_video_transition_duration_changed (GESTrackTransition * self,
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GstElement * gnlobj);
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static GstElement *ges_track_video_transition_create_element (GESTrackTransition
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* self, GESTrack * unused);
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static void ges_track_video_transition_dispose (GObject * object);
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static void ges_track_video_transition_finalize (GObject * object);
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@ -49,16 +64,18 @@ static void
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ges_track_video_transition_class_init (GESTrackVideoTransitionClass * klass)
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{
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GObjectClass *object_class;
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GESTrackTransitionClass *bg_class;
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GESTrackTransitionClass *pclass;
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object_class = G_OBJECT_CLASS (klass);
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bg_class = GES_TRACK_TRANSITION_CLASS (klass);
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pclass = GES_TRACK_TRANSITION_CLASS (klass);
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object_class->get_property = ges_track_video_transition_get_property;
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object_class->set_property = ges_track_video_transition_set_property;
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object_class->dispose = ges_track_video_transition_dispose;
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object_class->finalize = ges_track_video_transition_finalize;
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pclass->create_element = ges_track_video_transition_create_element;
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pclass->duration_changed = ges_track_video_transition_duration_changed;
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}
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static void
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@ -98,6 +115,156 @@ ges_track_video_transition_set_property (GObject * object,
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}
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}
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static GstElement *
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ges_track_video_transition_create_element (GESTrackTransition * self,
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GESTrack * unused)
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{
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GstElement *topbin, *iconva, *iconvb, *oconv;
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GObject *target = NULL;
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const gchar *propname = NULL;
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GstElement *mixer = NULL;
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GstPad *sinka_target, *sinkb_target, *src_target, *sinka, *sinkb, *src;
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GstController *controller;
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GstInterpolationControlSource *control_source;
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GST_LOG ("creating a video bin");
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topbin = gst_bin_new ("transition-bin");
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iconva = gst_element_factory_make ("ffmpegcolorspace", "tr-csp-a");
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iconvb = gst_element_factory_make ("ffmpegcolorspace", "tr-csp-b");
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oconv = gst_element_factory_make ("ffmpegcolorspace", "tr-csp-output");
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gst_bin_add_many (GST_BIN (topbin), iconva, iconvb, oconv, NULL);
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mixer = gst_element_factory_make ("videomixer", NULL);
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g_object_set (G_OBJECT (mixer), "background", 1, NULL);
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gst_bin_add (GST_BIN (topbin), mixer);
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if (self->vtype != VTYPE_CROSSFADE) {
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link_element_to_mixer_with_smpte (GST_BIN (topbin), iconva, mixer,
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self->vtype, NULL);
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target = link_element_to_mixer_with_smpte (GST_BIN (topbin), iconvb,
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mixer, self->vtype, &self->vsmpte);
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propname = "position";
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self->vstart_value = 1.0;
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self->vend_value = 0.0;
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} else {
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self->sinka = (GstPad *) link_element_to_mixer (iconva, mixer);
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self->sinkb = (GstPad *) link_element_to_mixer (iconvb, mixer);
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target = (GObject *) self->sinkb;
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self->vmixer = gst_object_ref (mixer);
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propname = "alpha";
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self->vstart_value = 0.0;
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self->vend_value = 1.0;
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}
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gst_element_link (mixer, oconv);
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sinka_target = gst_element_get_static_pad (iconva, "sink");
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sinkb_target = gst_element_get_static_pad (iconvb, "sink");
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src_target = gst_element_get_static_pad (oconv, "src");
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sinka = gst_ghost_pad_new ("sinka", sinka_target);
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sinkb = gst_ghost_pad_new ("sinkb", sinkb_target);
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src = gst_ghost_pad_new ("src", src_target);
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gst_element_add_pad (topbin, src);
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gst_element_add_pad (topbin, sinka);
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gst_element_add_pad (topbin, sinkb);
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gst_object_unref (sinka_target);
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gst_object_unref (sinkb_target);
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gst_object_unref (src_target);
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/* set up interpolation */
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g_object_set (target, propname, (gfloat) 0.0, NULL);
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controller = gst_object_control_properties (target, propname, NULL);
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control_source = gst_interpolation_control_source_new ();
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gst_controller_set_control_source (controller,
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propname, GST_CONTROL_SOURCE (control_source));
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gst_interpolation_control_source_set_interpolation_mode (control_source,
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GST_INTERPOLATE_LINEAR);
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self->vcontroller = controller;
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self->vcontrol_source = control_source;
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return topbin;
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}
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static GObject *
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link_element_to_mixer (GstElement * element, GstElement * mixer)
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{
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GstPad *sinkpad = gst_element_get_request_pad (mixer, "sink_%d");
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GstPad *srcpad = gst_element_get_static_pad (element, "src");
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g_assert (sinkpad);
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g_assert (srcpad);
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gst_pad_link (srcpad, sinkpad);
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gst_object_unref (srcpad);
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return G_OBJECT (sinkpad);
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}
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static GObject *
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link_element_to_mixer_with_smpte (GstBin * bin, GstElement * element,
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GstElement * mixer, gint type, GstElement ** smpteref)
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{
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GstElement *smptealpha = gst_element_factory_make ("smptealpha", NULL);
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g_object_set (G_OBJECT (smptealpha),
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"type", (gint) type, "invert", (gboolean) TRUE, NULL);
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gst_bin_add (bin, smptealpha);
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gst_element_link_many (element, smptealpha, mixer, NULL);
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/* crack */
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if (smpteref) {
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*smpteref = smptealpha;
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}
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return G_OBJECT (smptealpha);
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}
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static void
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ges_track_video_transition_duration_changed (GESTrackTransition * self,
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GstElement * gnlobj)
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{
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GValue start_value = { 0, };
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GValue end_value = { 0, };
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guint64 duration;
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GST_LOG ("updating controller");
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if (!gnlobj)
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return;
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if (!(self->vcontroller))
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return;
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GST_LOG ("getting properties");
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g_object_get (G_OBJECT (gnlobj), "duration", (guint64 *) & duration, NULL);
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GST_INFO ("duration: %d\n", duration);
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g_value_init (&start_value, G_TYPE_DOUBLE);
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g_value_init (&end_value, G_TYPE_DOUBLE);
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g_value_set_double (&start_value, self->vstart_value);
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g_value_set_double (&end_value, self->vend_value);
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GST_LOG ("setting values on controller");
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g_assert (GST_IS_CONTROLLER (self->vcontroller));
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g_assert (GST_IS_CONTROL_SOURCE (self->vcontrol_source));
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gst_interpolation_control_source_unset_all (self->vcontrol_source);
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gst_interpolation_control_source_set (self->vcontrol_source, 0, &start_value);
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gst_interpolation_control_source_set (self->vcontrol_source,
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duration, &end_value);
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GST_LOG ("done updating controller");
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}
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GESTrackVideoTransition *
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ges_track_video_transition_new (void)
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{
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