Ejemplos de gst_gl_view_convert_set_caps en C++ (Cpp)

Ejemplo n.º 1

Archivo: gstglviewconvert.c Proyecto: thaytan/gst-plugins-base

static gboolean
gst_gl_view_convert_element_set_caps (GstGLFilter * filter, GstCaps * incaps,
    GstCaps * outcaps)
{
  GstGLViewConvertElement *viewconvert_filter =
      GST_GL_VIEW_CONVERT_ELEMENT (filter);
  GstCapsFeatures *gl_features;
  gboolean ret;

  GST_DEBUG_OBJECT (filter, "incaps %" GST_PTR_FORMAT
      " outcaps %" GST_PTR_FORMAT, incaps, outcaps);
  /* The view_convert component needs RGBA caps */
  incaps = gst_caps_copy (incaps);
  outcaps = gst_caps_copy (outcaps);

  gst_caps_set_simple (incaps, "format", G_TYPE_STRING, "RGBA", NULL);
  gl_features =
      gst_caps_features_from_string (GST_CAPS_FEATURE_MEMORY_GL_MEMORY);
  gst_caps_set_features (incaps, 0, gl_features);

  gst_caps_set_simple (outcaps, "format", G_TYPE_STRING, "RGBA", NULL);
  gl_features =
      gst_caps_features_from_string (GST_CAPS_FEATURE_MEMORY_GL_MEMORY);
  gst_caps_set_features (outcaps, 0, gl_features);

  ret = gst_gl_view_convert_set_caps (viewconvert_filter->viewconvert,
      incaps, outcaps);

  gst_caps_unref (incaps);
  gst_caps_unref (outcaps);

  return ret;
}

Ejemplo n.º 2

Archivo: gstglstereomix.c Proyecto: thiblahute/gst-plugins-base

/* Called after videoaggregator fixates our caps */
static gboolean
_negotiated_caps (GstAggregator * agg, GstCaps * caps)
{
  GstVideoAggregator *vagg = GST_VIDEO_AGGREGATOR (agg);
  GstGLStereoMix *mix = GST_GL_STEREO_MIX (vagg);
  GstCaps *in_caps;

  GST_LOG_OBJECT (mix, "Configured output caps %" GST_PTR_FORMAT, caps);

  if (GST_AGGREGATOR_CLASS (parent_class)->negotiated_src_caps)
    if (!GST_AGGREGATOR_CLASS (parent_class)->negotiated_src_caps (agg, caps))
      return FALSE;

  /* Update the glview_convert output */

  /* We can configure the view_converter now */
  gst_gl_view_convert_set_context (mix->viewconvert,
      GST_GL_BASE_MIXER (mix)->context);

  in_caps = gst_video_info_to_caps (&mix->mix_info);
  gst_caps_set_features (in_caps, 0,
      gst_caps_features_from_string (GST_CAPS_FEATURE_MEMORY_GL_MEMORY));
  gst_caps_set_simple (in_caps, "texture-target", G_TYPE_STRING,
      GST_GL_TEXTURE_TARGET_2D_STR, NULL);

  gst_gl_view_convert_set_caps (mix->viewconvert, in_caps, caps);

  return TRUE;
}

Ejemplo n.º 3

Archivo: gstglstereosplit.c Proyecto: asrashley/gst-plugins-bad

static void
_init_upload (GstGLStereoSplit * split)
{
  GstGLContext *context = split->context;

  if (!split->upload) {
    GstCaps *in_caps = gst_pad_get_current_caps (GST_PAD (split->sink_pad));
    GstCaps *split_caps = gst_pad_get_current_caps (split->left_pad);
    GstCaps *upload_caps = gst_caps_copy (in_caps);
    GstCapsFeatures *gl_features =
        gst_caps_features_from_string (GST_CAPS_FEATURE_MEMORY_GL_MEMORY);
    GstCaps *gl_caps;

    split->upload = gst_gl_upload_new (context);

    gst_caps_set_features (upload_caps, 0,
        gst_caps_features_copy (gl_features));
    gst_gl_upload_set_caps (split->upload, in_caps, upload_caps);
    gst_caps_unref (in_caps);

    gl_caps = gst_caps_copy (upload_caps);
    gst_caps_set_simple (gl_caps, "format", G_TYPE_STRING, "RGBA", NULL);
    gst_caps_set_features (gl_caps, 0, gst_caps_features_copy (gl_features));

    if (!split->convert) {
      split->convert = gst_gl_color_convert_new (context);
      gst_gl_color_convert_set_caps (split->convert, upload_caps, gl_caps);
    }

    gst_caps_unref (upload_caps);
    gst_caps_features_free (gl_features);

    gst_gl_view_convert_set_context (split->viewconvert, split->context);

    split_caps = gst_caps_make_writable (split_caps);
    gst_caps_set_simple (split_caps, "multiview-mode", G_TYPE_STRING,
        "separated", "views", G_TYPE_INT, 2, NULL);

    gst_gl_view_convert_set_caps (split->viewconvert, gl_caps, split_caps);

    gst_caps_unref (split_caps);
    gst_caps_unref (gl_caps);
  }
}