static gboolean
ensure_vpp (GstVaapiDecodeBin * vaapidecbin)
{
GstVaapiDisplay *display;
if (vaapidecbin->has_vpp != HAS_VPP_UNKNOWN)
return TRUE;
display = GST_VAAPI_PLUGIN_BASE_DISPLAY (vaapidecbin->decoder);
if (display) {
GST_INFO_OBJECT (vaapidecbin, "Got display from vaapidecode");
gst_vaapi_display_ref (display);
} else {
GST_INFO_OBJECT (vaapidecbin, "Creating a dummy display to test for vpp");
display = gst_vaapi_create_test_display ();
}
if (!display)
return FALSE;
vaapidecbin->has_vpp = gst_vaapi_display_has_video_processing (display) ?
HAS_VPP_YES : HAS_VPP_NO;
gst_vaapi_display_unref (display);
return TRUE;
}
static gboolean
plugin_init (GstPlugin * plugin)
{
GstVaapiDisplay *display;
GArray *decoders;
guint rank;
plugin_add_dependencies (plugin);
display = gst_vaapi_create_test_display ();
if (!display)
goto error_no_display;
if (!gst_vaapi_driver_is_whitelisted (display))
goto unsupported_driver;
_gst_vaapi_has_video_processing =
gst_vaapi_display_has_video_processing (display);
decoders = display_get_decoder_codecs (display);
if (decoders) {
gst_vaapidecode_register (plugin, decoders);
g_array_unref (decoders);
}
gst_element_register (plugin, "vaapipostproc",
GST_RANK_PRIMARY, GST_TYPE_VAAPIPOSTPROC);
gst_element_register (plugin, "vaapidecodebin",
GST_RANK_PRIMARY + 2, GST_TYPE_VAAPI_DECODE_BIN);
rank = GST_RANK_PRIMARY;
if (g_getenv ("WAYLAND_DISPLAY"))
rank = GST_RANK_MARGINAL;
gst_element_register (plugin, "vaapisink", rank, GST_TYPE_VAAPISINK);
#if USE_ENCODERS
gst_vaapiencode_register (plugin, display);
#endif
gst_object_unref (display);
return TRUE;
/* ERRORS: */
error_no_display:
{
GST_ERROR ("Cannot create a VA display");
/* Avoid blacklisting: failure to create a display could be a
* transient condition */
return TRUE;
}
unsupported_driver:
{
gst_object_unref (display);
return TRUE; /* return TRUE to avoid get blacklisted */
}
}
static void
gst_vaapi_decode_bin_handle_message (GstBin * bin, GstMessage * message)
{
GstVaapiDecodeBin *vaapidecbin = GST_VAAPI_DECODE_BIN (bin);
GstMessageType type;
GstContext *context = NULL;
const gchar *context_type;
GstVaapiDisplay *display = NULL;
type = GST_MESSAGE_TYPE (message);
if (type != GST_MESSAGE_HAVE_CONTEXT)
goto bail;
gst_message_parse_have_context (message, &context);
if (!context)
goto bail;
context_type = gst_context_get_context_type (context);
if (g_strcmp0 (context_type, GST_VAAPI_DISPLAY_CONTEXT_TYPE_NAME) != 0)
goto bail;
if (!gst_vaapi_video_context_get_display (context, &display))
goto bail;
vaapidecbin->has_vpp = gst_vaapi_display_has_video_processing (display) ?
HAS_VPP_YES : HAS_VPP_NO;
/* the underlying VA driver implementation doesn't support video
* post-processing, hence we have to disable it */
if (vaapidecbin->has_vpp != HAS_VPP_YES) {
GST_WARNING_OBJECT (vaapidecbin, "VA driver doesn't support VPP");
if (!vaapidecbin->disable_vpp) {
vaapidecbin->disable_vpp = TRUE;
g_object_notify_by_pspec (G_OBJECT (vaapidecbin),
properties[PROP_DISABLE_VPP]);
}
}
bail:
if (display)
gst_vaapi_display_unref (display);
if (context)
gst_context_unref (context);
GST_BIN_CLASS (gst_vaapi_decode_bin_parent_class)->handle_message (bin,
message);
}
