C++ (Cpp) gst_vaapi_plugin_base_openの例

コード例 #1

ファイル: gstvaapidecode.c プロジェクト: zzoon/gstreamer-vaapi

static gboolean
gst_vaapidecode_open (GstVideoDecoder * vdec)
{
  GstVaapiDecode *const decode = GST_VAAPIDECODE (vdec);

  if (!gst_vaapi_plugin_base_open (GST_VAAPI_PLUGIN_BASE (decode)))
    return FALSE;

  decode->display_width = 0;
  decode->display_height = 0;
  gst_video_info_init (&decode->decoded_info);

  return TRUE;
}

コード例 #2

ファイル: gstvaapiencode.c プロジェクト: rexxster/gstreamer-vaapi

static gboolean
gst_vaapiencode_open (GstVideoEncoder * venc)
{
  GstVaapiEncode *const encode = GST_VAAPIENCODE_CAST (venc);
  GstVaapiDisplay *const old_display = GST_VAAPI_PLUGIN_BASE_DISPLAY (encode);
  gboolean success;

  if (!gst_vaapi_plugin_base_open (GST_VAAPI_PLUGIN_BASE (encode)))
    return FALSE;

  GST_VAAPI_PLUGIN_BASE_DISPLAY (encode) = NULL;
  success = ensure_display (encode);
  if (old_display)
    gst_vaapi_display_unref (old_display);
  return success;
}

コード例 #3

ファイル: gstvaapidecode.c プロジェクト: DarkLighters/gstreamer-vaapi

static gboolean
gst_vaapidecode_open (GstVideoDecoder * vdec)
{
  GstVaapiDecode *const decode = GST_VAAPIDECODE (vdec);
  GstVaapiDisplay *const old_display = GST_VAAPI_PLUGIN_BASE_DISPLAY (decode);
  gboolean success;

  if (!gst_vaapi_plugin_base_open (GST_VAAPI_PLUGIN_BASE (decode)))
    return FALSE;

  /* Let GstVideoContext ask for a proper display to its neighbours */
  /* Note: steal old display that may be allocated from get_caps()
     so that to retain a reference to it, thus avoiding extra
     initialization steps if we turn out to simply re-use the
     existing (cached) VA display */
  GST_VAAPI_PLUGIN_BASE_DISPLAY (decode) = NULL;
  success = gst_vaapidecode_ensure_display (decode);
  if (old_display)
    gst_vaapi_display_unref (old_display);
  return success;
}