C++ (Cpp) gst_aspect_ratio_crop_transform_caps Exemples

Exemple #1

Fichier : gstaspectratiocrop.c Projet : ChinnaSuhas/ossbuild

static GstCaps *
gst_aspect_ratio_crop_get_caps (GstPad * pad)
{
  GstPad *peer;
  GstAspectRatioCrop *aspect_ratio_crop;
  GstCaps *return_caps;

  aspect_ratio_crop = GST_ASPECT_RATIO_CROP (gst_pad_get_parent (pad));

  g_mutex_lock (aspect_ratio_crop->crop_lock);

  peer = gst_pad_get_peer (aspect_ratio_crop->sink);
  if (peer == NULL) {
    return_caps = gst_static_pad_template_get_caps (&src_template);
    gst_caps_ref (return_caps);
  } else {
    GstCaps *peer_caps;

    peer_caps = gst_pad_get_caps (peer);
    return_caps =
        gst_aspect_ratio_crop_transform_caps (aspect_ratio_crop, peer_caps);
    gst_caps_unref (peer_caps);
    gst_object_unref (peer);
  }

  g_mutex_unlock (aspect_ratio_crop->crop_lock);
  gst_object_unref (aspect_ratio_crop);

  return return_caps;
}

Exemple #2

Fichier : gstaspectratiocrop.c Projet : lubing521/gst-embedded-builder

static GstCaps *
gst_aspect_ratio_crop_get_caps (GstPad * pad, GstCaps * filter)
{
  GstPad *peer;
  GstAspectRatioCrop *aspect_ratio_crop;
  GstCaps *return_caps;

  aspect_ratio_crop = GST_ASPECT_RATIO_CROP (gst_pad_get_parent (pad));

  g_mutex_lock (&aspect_ratio_crop->crop_lock);

  peer = gst_pad_get_peer (aspect_ratio_crop->sink);
  if (peer == NULL) {
    return_caps = gst_static_pad_template_get_caps (&src_template);
  } else {
    GstCaps *peer_caps;

    peer_caps = gst_pad_query_caps (peer, filter);
    return_caps =
        gst_aspect_ratio_crop_transform_caps (aspect_ratio_crop, peer_caps);
    gst_caps_unref (peer_caps);
    gst_object_unref (peer);
  }

  g_mutex_unlock (&aspect_ratio_crop->crop_lock);
  gst_object_unref (aspect_ratio_crop);

  if (return_caps && filter) {
    GstCaps *tmp =
        gst_caps_intersect_full (filter, return_caps, GST_CAPS_INTERSECT_FIRST);
    gst_caps_replace (&return_caps, tmp);
    gst_caps_unref (tmp);
  }

  return return_caps;
}