static void gst_imx_blitter_video_sink_class_init(GstImxBlitterVideoSinkClass *klass)
{
GObjectClass *object_class;
GstBaseSinkClass *base_class;
GstVideoSinkClass *parent_class;
GstElementClass *element_class;
GST_DEBUG_CATEGORY_INIT(imx_blitter_video_sink_debug, "imxblittervideosink", 0, "Freescale i.MX blitter sink base class");
object_class = G_OBJECT_CLASS(klass);
base_class = GST_BASE_SINK_CLASS(klass);
parent_class = GST_VIDEO_SINK_CLASS(klass);
element_class = GST_ELEMENT_CLASS(klass);
object_class->dispose = GST_DEBUG_FUNCPTR(gst_imx_blitter_video_sink_dispose);
object_class->set_property = GST_DEBUG_FUNCPTR(gst_imx_blitter_video_sink_set_property);
object_class->get_property = GST_DEBUG_FUNCPTR(gst_imx_blitter_video_sink_get_property);
element_class->change_state = GST_DEBUG_FUNCPTR(gst_imx_blitter_video_sink_change_state);
base_class->set_caps = GST_DEBUG_FUNCPTR(gst_imx_blitter_video_sink_set_caps);
base_class->event = GST_DEBUG_FUNCPTR(gst_imx_blitter_video_sink_event);
base_class->propose_allocation = GST_DEBUG_FUNCPTR(gst_imx_blitter_video_sink_propose_allocation);
parent_class->show_frame = GST_DEBUG_FUNCPTR(gst_imx_blitter_video_sink_show_frame);
klass->start = NULL;
klass->stop = NULL;
klass->create_blitter = NULL;
g_object_class_install_property(
object_class,
PROP_FORCE_ASPECT_RATIO,
g_param_spec_boolean(
"force-aspect-ratio",
"Force aspect ratio",
"When enabled, scaling will respect original aspect ratio",
DEFAULT_FORCE_ASPECT_RATIO,
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS
)
);
g_object_class_install_property(
object_class,
PROP_FBDEV_NAME,
g_param_spec_string(
"framebuffer",
"Framebuffer device name",
"The device name of the framebuffer to render to",
DEFAULT_FBDEV_NAME,
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS
)
);
g_object_class_install_property(
object_class,
PROP_USE_VSYNC,
g_param_spec_boolean(
"use-vsync",
"Use VSync",
"Enable and use verticeal synchronization to eliminate tearing",
DEFAULT_USE_VSYNC,
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS
)
);
g_object_class_install_property(
object_class,
PROP_INPUT_CROP,
g_param_spec_boolean(
"input-crop",
"Input crop",
"Whether or not to crop input frames based on their video crop metadata",
DEFAULT_INPUT_CROP,
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS
)
);
g_object_class_install_property(
object_class,
PROP_OUTPUT_ROTATION,
g_param_spec_enum(
"output-rotation",
"Output rotation",
"Output rotation in 90-degree steps",
gst_imx_canvas_inner_rotation_get_type(),
DEFAULT_OUTPUT_ROTATION,
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS
)
);
g_object_class_install_property(
object_class,
PROP_WINDOW_X_COORD,
g_param_spec_int(
"window-x-coord",
"Window x coordinate",
"X coordinate of the window's top left corner, in pixels",
G_MININT, G_MAXINT,
DEFAULT_WINDOW_X_COORD,
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS
)
);
g_object_class_install_property(
object_class,
PROP_WINDOW_Y_COORD,
g_param_spec_int(
"window-y-coord",
"Window y coordinate",
"Y coordinate of the window's top left corner, in pixels",
G_MININT, G_MAXINT,
DEFAULT_WINDOW_Y_COORD,
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS
)
);
g_object_class_install_property(
object_class,
PROP_WINDOW_WIDTH,
g_param_spec_uint(
"window-width",
"Window width",
"Window width, in pixels (0 = automatically set to the video input width)",
0, G_MAXINT,
DEFAULT_WINDOW_WIDTH,
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS
)
);
g_object_class_install_property(
object_class,
PROP_WINDOW_HEIGHT,
g_param_spec_uint(
"window-height",
"Window height",
"Window height, in pixels (0 = automatically set to the video input height)",
0, G_MAXINT,
DEFAULT_WINDOW_HEIGHT,
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS
)
);
g_object_class_install_property(
object_class,
PROP_LEFT_MARGIN,
g_param_spec_uint(
"left-margin",
"Left margin",
"Left margin",
0, G_MAXUINT,
DEFAULT_LEFT_MARGIN,
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS
)
);
g_object_class_install_property(
object_class,
PROP_TOP_MARGIN,
g_param_spec_uint(
"top-margin",
"Top margin",
"Top margin",
0, G_MAXUINT,
DEFAULT_TOP_MARGIN,
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS
)
);
g_object_class_install_property(
object_class,
PROP_RIGHT_MARGIN,
g_param_spec_uint(
"right-margin",
"Right margin",
"Right margin",
0, G_MAXUINT,
DEFAULT_RIGHT_MARGIN,
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS
)
);
g_object_class_install_property(
object_class,
PROP_BOTTOM_MARGIN,
g_param_spec_uint(
"bottom-margin",
"Bottom margin",
"Bottom margin",
0, G_MAXUINT,
DEFAULT_BOTTOM_MARGIN,
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS
)
);
}
static void gst_imx_compositor_pad_class_init(GstImxCompositorPadClass *klass)
{
GObjectClass *object_class;
GstImxBPAggregatorPadClass *aggregator_pad_class;
GstImxBPVideoAggregatorPadClass *videoaggregator_pad_class;
object_class = G_OBJECT_CLASS(klass);
aggregator_pad_class = GST_IMXBP_AGGREGATOR_PAD_CLASS(klass);
videoaggregator_pad_class = GST_IMXBP_VIDEO_AGGREGATOR_PAD_CLASS(klass);
object_class->set_property = GST_DEBUG_FUNCPTR(gst_imx_compositor_pad_set_property);
object_class->get_property = GST_DEBUG_FUNCPTR(gst_imx_compositor_pad_get_property);
aggregator_pad_class->flush = GST_DEBUG_FUNCPTR(gst_imx_compositor_pad_flush);
/* Explicitely set these to NULL to force the base class
* to not try any software-based colorspace conversions
* Subclasses use i.MX blitters, which are capable of
* hardware-accelerated colorspace conversions */
videoaggregator_pad_class->set_info = NULL;
videoaggregator_pad_class->prepare_frame = NULL;
videoaggregator_pad_class->clean_frame = NULL;
g_object_class_install_property(
object_class,
PROP_PAD_XPOS,
g_param_spec_int(
"xpos",
"X position",
"Left X coordinate in pixels",
G_MININT, G_MAXINT,
DEFAULT_PAD_XPOS,
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS | GST_PARAM_CONTROLLABLE
)
);
g_object_class_install_property(
object_class,
PROP_PAD_YPOS,
g_param_spec_int(
"ypos",
"Y position",
"Top Y coordinate in pixels",
G_MININT, G_MAXINT,
DEFAULT_PAD_YPOS,
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS | GST_PARAM_CONTROLLABLE
)
);
g_object_class_install_property(
object_class,
PROP_PAD_WIDTH,
g_param_spec_int(
"width",
"Width",
"Width in pixels",
0, G_MAXINT,
DEFAULT_PAD_WIDTH,
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS | GST_PARAM_CONTROLLABLE
)
);
g_object_class_install_property(
object_class,
PROP_PAD_HEIGHT,
g_param_spec_int(
"height",
"Height",
"Height in pixels",
0, G_MAXINT,
DEFAULT_PAD_HEIGHT,
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS | GST_PARAM_CONTROLLABLE
)
);
g_object_class_install_property(
object_class,
PROP_PAD_LEFT_MARGIN,
g_param_spec_uint(
"left-margin",
"Left margin",
"Left margin",
0, G_MAXUINT,
DEFAULT_PAD_LEFT_MARGIN,
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS | GST_PARAM_CONTROLLABLE
)
);
g_object_class_install_property(
object_class,
PROP_PAD_TOP_MARGIN,
g_param_spec_uint(
"top-margin",
"Top margin",
"Top margin",
0, G_MAXUINT,
DEFAULT_PAD_TOP_MARGIN,
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS | GST_PARAM_CONTROLLABLE
)
);
g_object_class_install_property(
object_class,
PROP_PAD_RIGHT_MARGIN,
g_param_spec_uint(
"right-margin",
"Right margin",
"Right margin",
0, G_MAXUINT,
DEFAULT_PAD_RIGHT_MARGIN,
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS | GST_PARAM_CONTROLLABLE
)
);
g_object_class_install_property(
object_class,
PROP_PAD_BOTTOM_MARGIN,
g_param_spec_uint(
"bottom-margin",
"Bottom margin",
"Bottom margin",
0, G_MAXUINT,
DEFAULT_PAD_BOTTOM_MARGIN,
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS | GST_PARAM_CONTROLLABLE
)
);
g_object_class_install_property(
object_class,
PROP_PAD_ROTATION,
g_param_spec_enum(
"rotation",
"Rotation",
"Rotation that shall be applied to output frames",
gst_imx_canvas_inner_rotation_get_type(),
DEFAULT_PAD_ROTATION,
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS | GST_PARAM_CONTROLLABLE
)
);
g_object_class_install_property(
object_class,
PROP_PAD_KEEP_ASPECT_RATIO,
g_param_spec_boolean(
"keep-aspect-ratio",
"Keep aspect ratio",
"Keep aspect ratio",
DEFAULT_PAD_KEEP_ASPECT_RATIO,
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS
)
);
g_object_class_install_property(
object_class,
PROP_PAD_INPUT_CROP,
g_param_spec_boolean(
"input-crop",
"Input crop",
"Whether or not to crop input frames based on their video crop metadata",
DEFAULT_PAD_INPUT_CROP,
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS
)
);
g_object_class_install_property(
object_class,
PROP_PAD_ALPHA,
g_param_spec_double(
"alpha",
"Alpha",
"Alpha blending factor (range: 0.0 = fully transparent 1.0 = fully opaque)",
0.0, 1.0,
DEFAULT_PAD_ALPHA,
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS | GST_PARAM_CONTROLLABLE
)
);
g_object_class_install_property(
object_class,
PROP_PAD_FILL_COLOR,
g_param_spec_uint(
"fill-color",
"Fill color",
"Fill color (format: 0xAABBGGRR)",
0, 0xFFFFFFFF,
DEFAULT_PAD_FILL_COLOR,
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS | GST_PARAM_CONTROLLABLE
)
);
}
