diff options
| author | Daniel Molkentin <daniel@molkentin.de> | 2020-01-03 15:16:02 +0100 |
|---|---|---|
| committer | Tim-Philipp Müller <tim@centricular.com> | 2020-01-07 11:49:35 +0000 |
| commit | 7d101b4f2c78eb5944e04ccaad8d8cec7166117d (patch) | |
| tree | 56e4e98fecdbbdbe062c9d6a5ea720952e13c0bc | |
| parent | eea8d25a4325112d80d05a00957884dd95a34dc7 (diff) | |
videocrop: allow properties to be animated by GstController
| -rw-r--r-- | gst/videocrop/gstvideocrop.c | 29 |
1 files changed, 25 insertions, 4 deletions
diff --git a/gst/videocrop/gstvideocrop.c b/gst/videocrop/gstvideocrop.c index 8a89007d3..78b4624a4 100644 --- a/gst/videocrop/gstvideocrop.c +++ b/gst/videocrop/gstvideocrop.c @@ -104,6 +104,8 @@ static void gst_video_crop_set_property (GObject * object, guint prop_id, static void gst_video_crop_get_property (GObject * object, guint prop_id, GValue * value, GParamSpec * pspec); +static void gst_video_crop_before_transform (GstBaseTransform * trans, + GstBuffer * in); static GstCaps *gst_video_crop_transform_caps (GstBaseTransform * trans, GstPadDirection direction, GstCaps * caps, GstCaps * filter_caps); static gboolean gst_video_crop_src_event (GstBaseTransform * trans, @@ -188,22 +190,22 @@ gst_video_crop_class_init (GstVideoCropClass * klass) g_param_spec_int ("left", "Left", "Pixels to crop at left (-1 to auto-crop)", -1, G_MAXINT, 0, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS | - GST_PARAM_MUTABLE_PLAYING)); + GST_PARAM_MUTABLE_PLAYING | GST_PARAM_CONTROLLABLE)); g_object_class_install_property (gobject_class, PROP_RIGHT, g_param_spec_int ("right", "Right", "Pixels to crop at right (-1 to auto-crop)", -1, G_MAXINT, 0, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS | - GST_PARAM_MUTABLE_PLAYING)); + GST_PARAM_MUTABLE_PLAYING | GST_PARAM_CONTROLLABLE)); g_object_class_install_property (gobject_class, PROP_TOP, g_param_spec_int ("top", "Top", "Pixels to crop at top (-1 to auto-crop)", -1, G_MAXINT, 0, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS | - GST_PARAM_MUTABLE_PLAYING)); + GST_PARAM_MUTABLE_PLAYING | GST_PARAM_CONTROLLABLE)); g_object_class_install_property (gobject_class, PROP_BOTTOM, g_param_spec_int ("bottom", "Bottom", "Pixels to crop at bottom (-1 to auto-crop)", -1, G_MAXINT, 0, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS | - GST_PARAM_MUTABLE_PLAYING)); + GST_PARAM_MUTABLE_PLAYING | GST_PARAM_CONTROLLABLE)); gst_element_class_add_static_pad_template (element_class, &sink_template); gst_element_class_add_static_pad_template (element_class, &src_template); @@ -212,6 +214,8 @@ gst_video_crop_class_init (GstVideoCropClass * klass) "Crops video into a user-defined region", "Tim-Philipp Müller <tim centricular net>"); + basetransform_class->before_transform = + GST_DEBUG_FUNCPTR (gst_video_crop_before_transform); basetransform_class->transform_ip_on_passthrough = FALSE; basetransform_class->transform_caps = GST_DEBUG_FUNCPTR (gst_video_crop_transform_caps); @@ -504,6 +508,23 @@ gst_video_crop_propose_allocation (GstBaseTransform * trans, decide_query, query); } +static void +gst_video_crop_before_transform (GstBaseTransform * trans, GstBuffer * in) +{ + GstVideoCrop *video_crop = GST_VIDEO_CROP (trans); + GstClockTime timestamp, stream_time; + + timestamp = GST_BUFFER_TIMESTAMP (in); + stream_time = + gst_segment_to_stream_time (&trans->segment, GST_FORMAT_TIME, timestamp); + + GST_DEBUG_OBJECT (video_crop, "sync to %" GST_TIME_FORMAT, + GST_TIME_ARGS (timestamp)); + + if (GST_CLOCK_TIME_IS_VALID (stream_time)) + gst_object_sync_values (GST_OBJECT (video_crop), stream_time); +} + static GstFlowReturn gst_video_crop_transform_ip (GstBaseTransform * trans, GstBuffer * buf) { |