C++ (Cpp) gst_msdk_context_prepare Examples

Example #1

File: gstmsdkvpp.c Project: thiblahute/gst-plugins-bad

static gboolean
ensure_context (GstBaseTransform * trans)
{
  GstMsdkVPP *thiz = GST_MSDKVPP (trans);

  if (gst_msdk_context_prepare (GST_ELEMENT_CAST (thiz), &thiz->context)) {
    GST_INFO_OBJECT (thiz, "Found context from neighbour %" GST_PTR_FORMAT,
        thiz->context);

    if (gst_msdk_context_get_job_type (thiz->context) & GST_MSDK_JOB_VPP) {
      GstMsdkContext *parent_context;

      parent_context = thiz->context;
      thiz->context = gst_msdk_context_new_with_parent (parent_context);
      gst_object_unref (parent_context);

      GST_INFO_OBJECT (thiz,
          "Creating new context %" GST_PTR_FORMAT " with joined session",
          thiz->context);
    } else {
      gst_msdk_context_add_job_type (thiz->context, GST_MSDK_JOB_VPP);
    }
  } else {
    if (!gst_msdk_context_ensure_context (GST_ELEMENT_CAST (thiz),
            thiz->hardware, GST_MSDK_JOB_VPP))
      return FALSE;
    GST_INFO_OBJECT (thiz, "Creating new context %" GST_PTR_FORMAT,
        thiz->context);
  }

  gst_msdk_context_add_shared_async_depth (thiz->context, thiz->async_depth);

  return TRUE;
}

Example #2

File: gstmsdkdec.c Project: MaZderMind/gst-plugins-bad

static gboolean
gst_msdkdec_start (GstVideoDecoder * decoder)
{
  GstMsdkDec *thiz = GST_MSDKDEC (decoder);

  if (gst_msdk_context_prepare (GST_ELEMENT_CAST (thiz), &thiz->context)) {
    GST_INFO_OBJECT (thiz, "Found context %" GST_PTR_FORMAT " from neighbour",
        thiz->context);
    thiz->use_video_memory = TRUE;

    if (gst_msdk_context_get_job_type (thiz->context) & GST_MSDK_JOB_DECODER) {
      GstMsdkContext *parent_context, *msdk_context;

      parent_context = thiz->context;
      msdk_context = gst_msdk_context_new_with_parent (parent_context);

      if (!msdk_context) {
        GST_ERROR_OBJECT (thiz, "Context creation failed");
        return FALSE;
      }

      thiz->context = msdk_context;

      gst_msdk_context_add_shared_async_depth (thiz->context,
          gst_msdk_context_get_shared_async_depth (parent_context));
      gst_object_unref (parent_context);

      GST_INFO_OBJECT (thiz,
          "Creating new context %" GST_PTR_FORMAT " with joined session",
          thiz->context);
    } else {
      gst_msdk_context_add_job_type (thiz->context, GST_MSDK_JOB_DECODER);
    }
  } else {
    gst_msdk_context_ensure_context (GST_ELEMENT_CAST (thiz), thiz->hardware,
        GST_MSDK_JOB_DECODER);
    GST_INFO_OBJECT (thiz, "Creating new context %" GST_PTR_FORMAT,
        thiz->context);
  }

  gst_msdk_context_add_shared_async_depth (thiz->context, thiz->async_depth);

  return TRUE;
}