vaapidecodebin: Add property to disable VPP

Adding a new propery "disable-vpp", enabling it will prevent
the insertion of vaapipostproc child element.

This is helpful in debugging, specifically to narrow-down the
vaapidecodebin/vaapipostproc related negotiation issues.

No support for run-time disabling for now.

https://bugzilla.gnome.org/show_bug.cgi?id=745901
This commit is contained in:
Sreerenj Balachandran 2015-06-30 09:35:37 +03:00
parent d14a201699
commit f1bc4f8461
2 changed files with 71 additions and 20 deletions

View file

@ -45,7 +45,8 @@ enum
PROP_MAX_SIZE_BUFFERS,
PROP_MAX_SIZE_BYTES,
PROP_MAX_SIZE_TIME,
PROP_DEINTERLACE_METHOD
PROP_DEINTERLACE_METHOD,
PROP_DISABLE_VPP
};
#define GST_VAAPI_DECODE_BIN_SURFACE_CAPS \
@ -100,6 +101,33 @@ GST_STATIC_PAD_TEMPLATE ("src",
G_DEFINE_TYPE (GstVaapiDecodeBin, gst_vaapi_decode_bin, GST_TYPE_BIN);
/* Remove the vaapipostproc if already added and reset the ghost pad target */
static void
disable_vpp (GstVaapiDecodeBin *vaapidecbin)
{
GstPad *pad;
GstStateChangeReturn ret;
GstState state;
/*Fixme: Add run-time disabling support */
ret = gst_element_get_state (GST_ELEMENT (vaapidecbin), &state, NULL, GST_CLOCK_TIME_NONE);
if (ret != GST_STATE_CHANGE_SUCCESS || state > GST_STATE_NULL) {
GST_WARNING_OBJECT (vaapidecbin, "Failed to set disable-vpp property!,,"
"No support for run-time disabling, Ignoring the user request to disable VPP.");
return;
}
gst_element_set_state (vaapidecbin->postproc, GST_STATE_NULL);
gst_bin_remove (GST_BIN (vaapidecbin), vaapidecbin->postproc);
pad =
gst_element_get_static_pad (GST_ELEMENT (vaapidecbin->queue),
"src");
gst_ghost_pad_set_target ((GstGhostPad *) vaapidecbin->ghost_pad_src,
pad);
gst_object_unref (pad);
}
static void
gst_vaapi_decode_bin_set_property (GObject * object,
guint prop_id, const GValue * value, GParamSpec * pspec)
@ -127,6 +155,12 @@ gst_vaapi_decode_bin_set_property (GObject * object,
g_object_set (G_OBJECT (vaapidecbin->postproc), "deinterlace-method",
vaapidecbin->deinterlace_method, NULL);
break;
case PROP_DISABLE_VPP:
vaapidecbin->disable_vpp = g_value_get_boolean (value);
/* Remove the vaapipostpro */
if (vaapidecbin->disable_vpp && vaapidecbin->postproc)
disable_vpp (vaapidecbin);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
@ -152,6 +186,9 @@ gst_vaapi_decode_bin_get_property (GObject * object,
case PROP_DEINTERLACE_METHOD:
g_value_set_enum (value, vaapidecbin->deinterlace_method);
break;
case PROP_DISABLE_VPP:
g_value_set_boolean (value, vaapidecbin->disable_vpp);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
@ -196,6 +233,11 @@ gst_vaapi_decode_bin_class_init (GstVaapiDecodeBinClass * klass)
"Deinterlace method to use", GST_VAAPI_TYPE_DEINTERLACE_METHOD,
DEFAULT_DEINTERLACE_METHOD,
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
g_object_class_install_property (gobject_class, PROP_DISABLE_VPP,
g_param_spec_boolean ("disable-vpp",
"Disable VPP",
"Disable Video Post Processing(No support for run time disabling)",
FALSE, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
gst_element_class_add_pad_template (element_class,
gst_static_pad_template_get (&gst_vaapi_decode_bin_sink_factory));
@ -225,32 +267,36 @@ gst_vaapi_decode_bin_configure (GstVaapiDecodeBin * vaapidecbin)
missing_factory = "queue";
goto error_element_missing;
}
/* create the postproc */
vaapidecbin->postproc =
gst_element_factory_make ("vaapipostproc", "vaapipostproc");
if (!vaapidecbin->postproc) {
missing_factory = "vaapipostproc";
goto error_element_missing;
}
g_object_set (G_OBJECT (vaapidecbin->queue),
"max-size-bytes", vaapidecbin->max_size_bytes,
"max-size-buffers", vaapidecbin->max_size_buffers,
"max-size-time", vaapidecbin->max_size_time, NULL);
g_object_set (G_OBJECT (vaapidecbin->postproc),
"deinterlace-method", vaapidecbin->deinterlace_method, NULL);
gst_bin_add_many (GST_BIN (vaapidecbin),
vaapidecbin->decoder, vaapidecbin->queue, vaapidecbin->postproc, NULL);
vaapidecbin->decoder, vaapidecbin->queue, NULL);
if (!gst_element_link_pads_full (vaapidecbin->decoder, "src",
vaapidecbin->queue, "sink", GST_PAD_LINK_CHECK_NOTHING))
goto error_link_pad;
if (!gst_element_link_pads_full (vaapidecbin->queue, "src",
vaapidecbin->postproc, "sink", GST_PAD_LINK_CHECK_NOTHING))
goto error_link_pad;
if (!vaapidecbin->disable_vpp) {
/* create the postproc */
vaapidecbin->postproc =
gst_element_factory_make ("vaapipostproc", "vaapipostproc");
if (!vaapidecbin->postproc) {
missing_factory = "vaapipostproc";
goto error_element_missing;
}
g_object_set (G_OBJECT (vaapidecbin->postproc),
"deinterlace-method", vaapidecbin->deinterlace_method, NULL);
gst_bin_add (GST_BIN (vaapidecbin), vaapidecbin->postproc);
if (!gst_element_link_pads_full (vaapidecbin->queue, "src",
vaapidecbin->postproc, "sink", GST_PAD_LINK_CHECK_NOTHING))
goto error_link_pad;
}
return TRUE;
@ -276,6 +322,7 @@ static void
gst_vaapi_decode_bin_init (GstVaapiDecodeBin * vaapidecbin)
{
GstPad *element_pad, *ghost_pad;
GstElement *src_element;
if (!gst_vaapi_decode_bin_configure (vaapidecbin))
return;
@ -290,11 +337,12 @@ gst_vaapi_decode_bin_init (GstVaapiDecodeBin * vaapidecbin)
gst_element_add_pad (GST_ELEMENT (vaapidecbin), ghost_pad);
/* create ghost pad src */
element_pad =
gst_element_get_static_pad (GST_ELEMENT (vaapidecbin->postproc), "src");
ghost_pad =
gst_ghost_pad_new_from_template ("src", element_pad,
GST_PAD_PAD_TEMPLATE (element_pad));
src_element =
vaapidecbin->disable_vpp ? vaapidecbin->queue : vaapidecbin->postproc;
element_pad = gst_element_get_static_pad (GST_ELEMENT (src_element), "src");
ghost_pad = gst_ghost_pad_new ("src", element_pad);
vaapidecbin->ghost_pad_src = ghost_pad;
gst_object_unref (element_pad);
gst_element_add_pad (GST_ELEMENT (vaapidecbin), ghost_pad);
}

View file

@ -47,11 +47,14 @@ typedef struct _GstVaapiDecodeBin {
GstElement *queue;
GstElement *postproc;
GstPad *ghost_pad_src;
/* properties */
guint max_size_buffers;
guint max_size_bytes;
guint64 max_size_time;
GstVaapiDeinterlaceMethod deinterlace_method;
gboolean disable_vpp;
} GstVaapiDecodeBin;