static GstCaps *
gst_decklink_video_sink_get_caps (GstBaseSink * bsink, GstCaps * filter)
{
GstDecklinkVideoSink *self = GST_DECKLINK_VIDEO_SINK_CAST (bsink);
GstCaps *mode_caps, *caps;
if (self->mode == GST_DECKLINK_MODE_AUTO
&& self->video_format == GST_DECKLINK_VIDEO_FORMAT_AUTO)
mode_caps = gst_decklink_mode_get_template_caps (FALSE);
else if (self->video_format == GST_DECKLINK_VIDEO_FORMAT_AUTO)
mode_caps = gst_decklink_mode_get_caps_all_formats (self->mode, FALSE);
else if (self->mode == GST_DECKLINK_MODE_AUTO)
mode_caps =
gst_decklink_pixel_format_get_caps (gst_decklink_pixel_format_from_type
(self->video_format), FALSE);
else
mode_caps =
gst_decklink_mode_get_caps (self->mode,
gst_decklink_pixel_format_from_type (self->video_format), FALSE);
mode_caps = gst_caps_make_writable (mode_caps);
/* For output we support any framerate and only really care about timestamps */
gst_caps_map_in_place (mode_caps, reset_framerate, NULL);
if (filter) {
caps =
gst_caps_intersect_full (filter, mode_caps, GST_CAPS_INTERSECT_FIRST);
gst_caps_unref (mode_caps);
} else {
caps = mode_caps;
}
return caps;
}
static void
gst_decklink_video_sink_class_init (GstDecklinkVideoSinkClass * klass)
{
GObjectClass *gobject_class = G_OBJECT_CLASS (klass);
GstElementClass *element_class = GST_ELEMENT_CLASS (klass);
GstBaseSinkClass *basesink_class = GST_BASE_SINK_CLASS (klass);
GstCaps *templ_caps;
gobject_class->set_property = gst_decklink_video_sink_set_property;
gobject_class->get_property = gst_decklink_video_sink_get_property;
gobject_class->finalize = gst_decklink_video_sink_finalize;
element_class->change_state =
GST_DEBUG_FUNCPTR (gst_decklink_video_sink_change_state);
element_class->provide_clock =
GST_DEBUG_FUNCPTR (gst_decklink_video_sink_provide_clock);
basesink_class->get_caps =
GST_DEBUG_FUNCPTR (gst_decklink_video_sink_get_caps);
basesink_class->set_caps =
GST_DEBUG_FUNCPTR (gst_decklink_video_sink_set_caps);
basesink_class->prepare = GST_DEBUG_FUNCPTR (gst_decklink_video_sink_prepare);
basesink_class->render = GST_DEBUG_FUNCPTR (gst_decklink_video_sink_render);
// FIXME: These are misnamed in basesink!
basesink_class->start = GST_DEBUG_FUNCPTR (gst_decklink_video_sink_open);
basesink_class->stop = GST_DEBUG_FUNCPTR (gst_decklink_video_sink_close);
basesink_class->propose_allocation =
GST_DEBUG_FUNCPTR (gst_decklink_video_sink_propose_allocation);
g_object_class_install_property (gobject_class, PROP_MODE,
g_param_spec_enum ("mode", "Playback Mode",
"Video Mode to use for playback",
GST_TYPE_DECKLINK_MODE, GST_DECKLINK_MODE_NTSC,
(GParamFlags) (G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS |
G_PARAM_CONSTRUCT)));
g_object_class_install_property (gobject_class, PROP_DEVICE_NUMBER,
g_param_spec_int ("device-number", "Device number",
"Output device instance to use", 0, G_MAXINT, 0,
(GParamFlags) (G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS |
G_PARAM_CONSTRUCT)));
templ_caps = gst_decklink_mode_get_template_caps ();
gst_element_class_add_pad_template (element_class,
gst_pad_template_new ("sink", GST_PAD_SINK, GST_PAD_ALWAYS, templ_caps));
gst_caps_unref (templ_caps);
gst_element_class_set_static_metadata (element_class, "Decklink Video Sink",
"Video/Sink", "Decklink Sink", "David Schleef <*****@*****.**>, "
"Sebastian Dröge <*****@*****.**>");
GST_DEBUG_CATEGORY_INIT (gst_decklink_video_sink_debug, "decklinkvideosink",
0, "debug category for decklinkvideosink element");
}
static void
gst_decklink_src_class_init (GstDecklinkSrcClass * klass)
{
GObjectClass *gobject_class = G_OBJECT_CLASS (klass);
GstElementClass *element_class = GST_ELEMENT_CLASS (klass);
gobject_class->set_property = gst_decklink_src_set_property;
gobject_class->get_property = gst_decklink_src_get_property;
gobject_class->finalize = gst_decklink_src_finalize;
element_class->change_state =
GST_DEBUG_FUNCPTR (gst_decklink_src_change_state);
g_object_class_install_property (gobject_class, PROP_MODE,
g_param_spec_enum ("mode", "Mode", "Video mode to use for capture",
GST_TYPE_DECKLINK_MODE, GST_DECKLINK_MODE_NTSC,
(GParamFlags) (G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS |
G_PARAM_CONSTRUCT)));
g_object_class_install_property (gobject_class, PROP_CONNECTION,
g_param_spec_enum ("connection", "Connection",
"Video input connection to use",
GST_TYPE_DECKLINK_CONNECTION, GST_DECKLINK_CONNECTION_SDI,
(GParamFlags) (G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS |
G_PARAM_CONSTRUCT)));
g_object_class_install_property (gobject_class, PROP_AUDIO_INPUT,
g_param_spec_enum ("audio-input", "Audio Input",
"Audio input connection",
GST_TYPE_DECKLINK_AUDIO_CONNECTION,
GST_DECKLINK_AUDIO_CONNECTION_AUTO,
(GParamFlags) (G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS |
G_PARAM_CONSTRUCT)));
/* FIXME: should be device-number or so, or turned into a string */
#if 0
g_object_class_install_property (gobject_class, PROP_DEVICE,
g_param_spec_int ("device", "Device", "Capture device instance to use",
0, G_MAXINT, 0,
(GParamFlags) (G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS |
G_PARAM_CONSTRUCT)));
#endif
gst_element_class_add_pad_template (element_class,
gst_static_pad_template_get (&gst_decklink_src_audio_src_template));
gst_element_class_add_pad_template (element_class,
gst_pad_template_new ("videosrc", GST_PAD_SRC, GST_PAD_ALWAYS,
gst_decklink_mode_get_template_caps ()));
gst_element_class_set_static_metadata (element_class, "Decklink source",
"Source/Video", "DeckLink Source", "David Schleef <*****@*****.**>");
}
static void
gst_decklink_src_base_init (gpointer g_class)
{
GstElementClass *element_class = GST_ELEMENT_CLASS (g_class);
gst_element_class_add_pad_template (element_class,
gst_static_pad_template_get (&gst_decklink_src_audio_src_template));
gst_element_class_add_pad_template (element_class,
gst_pad_template_new ("videosrc", GST_PAD_SRC, GST_PAD_ALWAYS,
gst_decklink_mode_get_template_caps ()));
gst_element_class_set_details_simple (element_class, "Decklink source",
"Source/Video", "DeckLink Source", "David Schleef <*****@*****.**>");
}
static void
gst_decklink_sink_class_init (GstDecklinkSinkClass * klass)
{
GObjectClass *gobject_class = G_OBJECT_CLASS (klass);
GstElementClass *element_class = GST_ELEMENT_CLASS (klass);
gobject_class->set_property = gst_decklink_sink_set_property;
gobject_class->get_property = gst_decklink_sink_get_property;
gobject_class->finalize = gst_decklink_sink_finalize;
element_class->change_state =
GST_DEBUG_FUNCPTR (gst_decklink_sink_change_state);
g_object_class_install_property (gobject_class, PROP_MODE,
g_param_spec_enum ("mode", "Playback Mode",
"Video Mode to use for playback",
GST_TYPE_DECKLINK_MODE, GST_DECKLINK_MODE_NTSC,
(GParamFlags) (G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS |
G_PARAM_CONSTRUCT)));
/* FIXME: should be device-number or so, or turned into a string */
#if 0
g_object_class_install_property (gobject_class, PROP_DEVICE,
g_param_spec_int ("device", "Device", "Capture device instance to use",
0, G_MAXINT, 0,
(GParamFlags) (G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS |
G_PARAM_CONSTRUCT)));
#endif
gst_element_class_add_pad_template (element_class,
gst_pad_template_new ("videosink", GST_PAD_SINK, GST_PAD_ALWAYS,
gst_decklink_mode_get_template_caps ()));
gst_element_class_add_pad_template (element_class,
gst_static_pad_template_get (&gst_decklink_sink_audiosink_template));
gst_element_class_set_static_metadata (element_class, "Decklink Sink",
"Video/Sink", "Decklink Sink", "David Schleef <*****@*****.**>");
GST_DEBUG_CATEGORY_INIT (gst_decklink_sink_debug_category, "decklinksink", 0,
"debug category for decklinksink element");
}
static void
gst_decklink_video_src_class_init (GstDecklinkVideoSrcClass * klass)
{
GObjectClass *gobject_class = G_OBJECT_CLASS (klass);
GstElementClass *element_class = GST_ELEMENT_CLASS (klass);
GstBaseSrcClass *basesrc_class = GST_BASE_SRC_CLASS (klass);
GstPushSrcClass *pushsrc_class = GST_PUSH_SRC_CLASS (klass);
GstCaps *templ_caps;
gobject_class->set_property = gst_decklink_video_src_set_property;
gobject_class->get_property = gst_decklink_video_src_get_property;
gobject_class->finalize = gst_decklink_video_src_finalize;
element_class->change_state =
GST_DEBUG_FUNCPTR (gst_decklink_video_src_change_state);
element_class->provide_clock =
GST_DEBUG_FUNCPTR (gst_decklink_video_src_provide_clock);
basesrc_class->get_caps = GST_DEBUG_FUNCPTR (gst_decklink_video_src_get_caps);
basesrc_class->set_caps = GST_DEBUG_FUNCPTR (gst_decklink_video_src_set_caps);
basesrc_class->query = GST_DEBUG_FUNCPTR (gst_decklink_video_src_query);
basesrc_class->unlock = GST_DEBUG_FUNCPTR (gst_decklink_video_src_unlock);
basesrc_class->unlock_stop =
GST_DEBUG_FUNCPTR (gst_decklink_video_src_unlock_stop);
pushsrc_class->create = GST_DEBUG_FUNCPTR (gst_decklink_video_src_create);
g_object_class_install_property (gobject_class, PROP_MODE,
g_param_spec_enum ("mode", "Playback Mode",
"Video Mode to use for playback",
GST_TYPE_DECKLINK_MODE, DEFAULT_MODE,
(GParamFlags) (G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS |
G_PARAM_CONSTRUCT)));
g_object_class_install_property (gobject_class, PROP_CONNECTION,
g_param_spec_enum ("connection", "Connection",
"Video input connection to use",
GST_TYPE_DECKLINK_CONNECTION, DEFAULT_CONNECTION,
(GParamFlags) (G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS |
G_PARAM_CONSTRUCT)));
g_object_class_install_property (gobject_class, PROP_DEVICE_NUMBER,
g_param_spec_int ("device-number", "Device number",
"Output device instance to use", 0, G_MAXINT, 0,
(GParamFlags) (G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS |
G_PARAM_CONSTRUCT)));
g_object_class_install_property (gobject_class, PROP_BUFFER_SIZE,
g_param_spec_uint ("buffer-size", "Buffer Size",
"Size of internal buffer in number of video frames", 1,
G_MAXINT, DEFAULT_BUFFER_SIZE,
(GParamFlags) (G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS)));
g_object_class_install_property (gobject_class, PROP_VIDEO_FORMAT,
g_param_spec_enum ("video-format", "Video format",
"Video format type to use for input (Only use auto for mode=auto)",
GST_TYPE_DECKLINK_VIDEO_FORMAT, GST_DECKLINK_VIDEO_FORMAT_AUTO,
(GParamFlags) (G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS |
G_PARAM_CONSTRUCT)));
g_object_class_install_property (gobject_class, PROP_TIMECODE_FORMAT,
g_param_spec_enum ("timecode-format", "Timecode format",
"Timecode format type to use for input",
GST_TYPE_DECKLINK_TIMECODE_FORMAT,
GST_DECKLINK_TIMECODE_FORMAT_RP188ANY,
(GParamFlags) (G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS |
G_PARAM_CONSTRUCT)));
templ_caps = gst_decklink_mode_get_template_caps ();
gst_element_class_add_pad_template (element_class,
gst_pad_template_new ("src", GST_PAD_SRC, GST_PAD_ALWAYS, templ_caps));
gst_caps_unref (templ_caps);
gst_element_class_set_static_metadata (element_class, "Decklink Video Source",
"Video/Src", "Decklink Source", "David Schleef <*****@*****.**>, "
"Sebastian Dröge <*****@*****.**>");
GST_DEBUG_CATEGORY_INIT (gst_decklink_video_src_debug, "decklinkvideosrc",
0, "debug category for decklinkvideosrc element");
}