Exemplos de gst_monoscope_src_negotiate em C++ (Cpp)

Exemplo n.º 1

Arquivo: gstmonoscope.c Projeto: ChinnaSuhas/ossbuild

static GstFlowReturn
get_buffer (GstMonoscope * monoscope, GstBuffer ** outbuf)
{
  GstFlowReturn ret;

  if (GST_PAD_CAPS (monoscope->srcpad) == NULL) {
    if (!gst_monoscope_src_negotiate (monoscope))
      return GST_FLOW_NOT_NEGOTIATED;
  }

  GST_LOG_OBJECT (monoscope, "allocating output buffer of size %d with caps %"
      GST_PTR_FORMAT, monoscope->outsize, GST_PAD_CAPS (monoscope->srcpad));

  ret =
      gst_pad_alloc_buffer_and_set_caps (monoscope->srcpad,
      GST_BUFFER_OFFSET_NONE, monoscope->outsize,
      GST_PAD_CAPS (monoscope->srcpad), outbuf);

  if (ret != GST_FLOW_OK)
    return ret;

  if (*outbuf == NULL)
    return GST_FLOW_ERROR;

  return GST_FLOW_OK;
}

Exemplo n.º 2

Arquivo: gstmonoscope.c Projeto: lubing521/gst-embedded-builder

/* make sure we are negotiated */
static GstFlowReturn
ensure_negotiated (GstMonoscope * monoscope)
{
  gboolean reconfigure;

  reconfigure = gst_pad_check_reconfigure (monoscope->srcpad);

  /* we don't know an output format yet, pick one */
  if (reconfigure || !gst_pad_has_current_caps (monoscope->srcpad)) {
    if (!gst_monoscope_src_negotiate (monoscope))
      return GST_FLOW_NOT_NEGOTIATED;
  }
  return GST_FLOW_OK;
}