static GstElementStateReturn gst_dv1394src_change_state (GstElement * element);
-static GstData *gst_dv1394src_get (GstPad * pad);
+static GstFlowReturn gst_dv1394src_create (GstPushSrc * psrc, GstBuffer ** buf);
+#if 0
static const GstEventMask *gst_dv1394src_get_event_mask (GstPad * pad);
+#endif
static gboolean gst_dv1394src_event (GstPad * pad, GstEvent * event);
+
+#if 0
static const GstFormat *gst_dv1394src_get_formats (GstPad * pad);
+#endif
static gboolean gst_dv1394src_convert (GstPad * pad,
GstFormat src_format, gint64 src_value,
GstFormat * dest_format, gint64 * dest_value);
static const GstQueryType *gst_dv1394src_get_query_types (GstPad * pad);
-static gboolean gst_dv1394src_query (GstPad * pad, GstQueryType type,
- GstFormat * format, gint64 * value);
-
+static gboolean gst_dv1394src_query (GstPad * pad, GstQuery * query);
static GstElementClass *parent_class = NULL;
};
gst_dv1394src_type =
- g_type_register_static (GST_TYPE_ELEMENT, "DV1394Src",
+ g_type_register_static (GST_TYPE_PUSHSRC, "DV1394Src",
&gst_dv1394src_info, 0);
g_type_add_interface_static (gst_dv1394src_type, GST_TYPE_URI_HANDLER,
{
GObjectClass *gobject_class;
GstElementClass *gstelement_class;
+ GstBaseSrcClass *gstbasesrc_class;
+ GstPushSrcClass *gstpushsrc_class;
gobject_class = (GObjectClass *) klass;
gstelement_class = (GstElementClass *) klass;
+ gstbasesrc_class = (GstBaseSrcClass *) klass;
+ gstpushsrc_class = (GstPushSrcClass *) klass;
+
+ parent_class = g_type_class_ref (GST_TYPE_PUSHSRC);
+
+ gobject_class->set_property = gst_dv1394src_set_property;
+ gobject_class->get_property = gst_dv1394src_get_property;
+ gobject_class->dispose = gst_dv1394src_dispose;
gst_dv1394src_signals[SIGNAL_FRAME_DROPPED] =
g_signal_new ("frame-dropped", G_TYPE_FROM_CLASS (klass),
"like 0xhhhhhhhhhhhhhhhh. (0 = no guid)", 0, G_MAXUINT64,
DEFAULT_GUID, G_PARAM_READWRITE));
- parent_class = g_type_class_ref (GST_TYPE_ELEMENT);
-
- gobject_class->set_property = gst_dv1394src_set_property;
- gobject_class->get_property = gst_dv1394src_get_property;
- gobject_class->dispose = gst_dv1394src_dispose;
-
gstelement_class->change_state = gst_dv1394src_change_state;
+
+ gstbasesrc_class->negotiate = NULL;
+ gstpushsrc_class->create = gst_dv1394src_create;
}
static void
gst_dv1394src_init (GstDV1394Src * dv1394src)
{
- dv1394src->srcpad =
- gst_pad_new_from_template (gst_element_get_pad_template (GST_ELEMENT
- (dv1394src), "src"), "src");
- gst_pad_set_get_function (dv1394src->srcpad, gst_dv1394src_get);
- gst_pad_use_explicit_caps (dv1394src->srcpad);
- gst_pad_set_event_function (dv1394src->srcpad, gst_dv1394src_event);
+ GstPad *srcpad = GST_BASE_SRC_PAD (dv1394src);
+
+ gst_base_src_set_live (GST_BASE_SRC (dv1394src), TRUE);
+ gst_pad_use_fixed_caps (srcpad);
+
+ gst_pad_set_event_function (srcpad, gst_dv1394src_event);
+ gst_pad_set_query_function (srcpad, gst_dv1394src_query);
+ gst_pad_set_query_type_function (srcpad, gst_dv1394src_get_query_types);
+
+#if 0
gst_pad_set_event_mask_function (dv1394src->srcpad,
gst_dv1394src_get_event_mask);
gst_pad_set_convert_function (dv1394src->srcpad, gst_dv1394src_convert);
- gst_pad_set_query_function (dv1394src->srcpad, gst_dv1394src_query);
- gst_pad_set_query_type_function (dv1394src->srcpad,
- gst_dv1394src_get_query_types);
gst_pad_set_formats_function (dv1394src->srcpad, gst_dv1394src_get_formats);
+#endif
- gst_element_add_pad (GST_ELEMENT (dv1394src), dv1394src->srcpad);
-
+ dv1394src->dv_lock = g_mutex_new ();
dv1394src->port = DEFAULT_PORT;
dv1394src->channel = DEFAULT_CHANNEL;
*/
if (section_type == 0 && dif_sequence == 0) { // dif header
-
if (!dv1394src->negotiated) {
+ GstCaps *caps;
+
// figure format (NTSC/PAL)
if (p[3] & 0x80) {
// PAL
dv1394src->frame_size = PAL_FRAMESIZE;
dv1394src->frame_rate = PAL_FRAMERATE;
GST_DEBUG ("PAL data");
- if (!gst_pad_set_explicit_caps (dv1394src->srcpad,
- gst_caps_new_simple ("video/x-dv",
- "format", G_TYPE_STRING, "PAL",
- "systemstream", G_TYPE_BOOLEAN, TRUE, NULL))) {
- GST_ELEMENT_ERROR (dv1394src, CORE, NEGOTIATION, (NULL),
- ("Could not set source caps for PAL"));
- return 0;
- }
+ caps = gst_caps_new_simple ("video/x-dv",
+ "format", G_TYPE_STRING, "PAL",
+ "systemstream", G_TYPE_BOOLEAN, TRUE, NULL);
} else {
// NTSC (untested)
dv1394src->frame_size = NTSC_FRAMESIZE;
dv1394src->frame_rate = NTSC_FRAMERATE;
GST_DEBUG
("NTSC data [untested] - please report success/failure to <dan@f3c.com>");
- if (!gst_pad_set_explicit_caps (dv1394src->srcpad,
- gst_caps_new_simple ("video/x-dv", "format", G_TYPE_STRING,
- "NTSC", "systemstream", G_TYPE_BOOLEAN, TRUE, NULL))) {
- GST_ELEMENT_ERROR (dv1394src, CORE, NEGOTIATION, (NULL),
- ("Could not set source caps for NTSC"));
- return 0;
- }
+ caps = gst_caps_new_simple ("video/x-dv",
+ "format", G_TYPE_STRING, "NTSC",
+ "systemstream", G_TYPE_BOOLEAN, TRUE, NULL);
}
+ gst_pad_set_caps (GST_BASE_SRC_PAD (dv1394src), caps);
+ gst_caps_unref (caps);
dv1394src->negotiated = TRUE;
}
// drop last frame when not complete
dv1394src->frame = NULL;
if ((dv1394src->frame_sequence + 1) % (dv1394src->skip +
dv1394src->consecutive) < dv1394src->consecutive) {
- GstFormat format;
+ //GstFormat format;
GstBuffer *buf;
buf = gst_buffer_new_and_alloc (dv1394src->frame_size);
+#if 0
/* fill in default offset */
format = GST_FORMAT_DEFAULT;
gst_dv1394src_query (dv1394src->srcpad, GST_QUERY_POSITION, &format,
/* fill in duration by converting one frame to time */
gst_dv1394src_convert (dv1394src->srcpad, GST_FORMAT_DEFAULT, 1,
&format, &GST_BUFFER_DURATION (buf));
+#endif
dv1394src->frame = buf;
}
return 0;
}
-static GstData *
-gst_dv1394src_get (GstPad * pad)
+static GstFlowReturn
+gst_dv1394src_create (GstPushSrc * psrc, GstBuffer ** buf)
{
- GstDV1394Src *dv1394src = GST_DV1394SRC (GST_PAD_PARENT (pad));
+ GstDV1394Src *dv1394src = GST_DV1394SRC (psrc);
+ GstCaps *caps;
+ GST_DV_LOCK (dv1394src);
dv1394src->buf = NULL;
while (dv1394src->buf == NULL)
raw1394_loop_iterate (dv1394src->handle);
- return GST_DATA (dv1394src->buf);
+ caps = gst_pad_get_caps (GST_BASE_SRC_PAD (psrc));
+ gst_buffer_set_caps (dv1394src->buf, caps);
+ gst_caps_unref (caps);
+
+ *buf = dv1394src->buf;
+ GST_DV_UNLOCK (dv1394src);
+
+ return GST_FLOW_OK;
}
static int
gst_dv1394src_change_state (GstElement * element)
{
GstDV1394Src *dv1394src;
+ gint transition;
+ GstElementStateReturn ret;
- g_return_val_if_fail (GST_IS_DV1394SRC (element), GST_STATE_FAILURE);
dv1394src = GST_DV1394SRC (element);
+ transition = GST_STATE_TRANSITION (element);
- switch (GST_STATE_TRANSITION (element)) {
+ switch (transition) {
case GST_STATE_NULL_TO_READY:
/* create a handle */
- if ((dv1394src->handle = raw1394_new_handle ()) == NULL) {
- GST_ELEMENT_ERROR (dv1394src, RESOURCE, NOT_FOUND, (NULL),
- ("can't get raw1394 handle"));
- return GST_STATE_FAILURE;
- }
+ if ((dv1394src->handle = raw1394_new_handle ()) == NULL)
+ goto no_handle;
+
/* set this plugin as the user data */
raw1394_set_userdata (dv1394src->handle, dv1394src);
+
/* get number of ports */
- dv1394src->num_ports =
- raw1394_get_port_info (dv1394src->handle, dv1394src->pinfo, 16);
- if (dv1394src->num_ports == 0) {
- GST_ELEMENT_ERROR (dv1394src, RESOURCE, NOT_FOUND, (NULL),
- ("no ports available for raw1394"));
- return GST_STATE_FAILURE;
- }
+ if ((dv1394src->num_ports =
+ raw1394_get_port_info (dv1394src->handle, dv1394src->pinfo,
+ 16)) == 0)
+ goto no_ports;
if (dv1394src->use_avc || dv1394src->port == -1) {
/* discover AVC and optionally the port */
}
/* configure our port now */
- if (raw1394_set_port (dv1394src->handle, dv1394src->port) < 0) {
- GST_ELEMENT_ERROR (dv1394src, RESOURCE, SETTINGS, (NULL),
- ("can't set 1394 port %d", dv1394src->port));
- return GST_STATE_FAILURE;
- }
+ if (raw1394_set_port (dv1394src->handle, dv1394src->port) < 0)
+ goto cannot_set_port;
+
/* set the callbacks */
raw1394_set_iso_handler (dv1394src->handle, dv1394src->channel,
gst_dv1394src_iso_receive);
raw1394_set_bus_reset_handler (dv1394src->handle,
gst_dv1394src_bus_reset);
- dv1394src->started = FALSE;
GST_DEBUG_OBJECT (dv1394src, "successfully opened up 1394 connection");
break;
case GST_STATE_PAUSED_TO_PLAYING:
- if (raw1394_start_iso_rcv (dv1394src->handle, dv1394src->channel) < 0) {
- GST_ELEMENT_ERROR (dv1394src, RESOURCE, READ, (NULL),
- ("can't start 1394 iso receive"));
- return GST_STATE_FAILURE;
- }
+ if (raw1394_start_iso_rcv (dv1394src->handle, dv1394src->channel) < 0)
+ goto cannot_start;
+
if (dv1394src->use_avc) {
/* start the VCR */
if (!avc1394_vcr_is_recording (dv1394src->handle, dv1394src->avc_node)
}
}
break;
+ default:
+ break;
+ }
+
+ /* if we haven't failed already, give the parent class a chance to ;-) */
+ ret = GST_ELEMENT_CLASS (parent_class)->change_state (element);
+
+ switch (transition) {
case GST_STATE_PLAYING_TO_PAUSED:
+ /* we need to lock here as the _create function has to be completed.
+ * The base source will not call the _create() function again. */
+ GST_DV_LOCK (dv1394src);
raw1394_stop_iso_rcv (dv1394src->handle, dv1394src->channel);
if (dv1394src->use_avc) {
/* pause the VCR */
avc1394_vcr_pause (dv1394src->handle, dv1394src->avc_node);
}
}
+ GST_DV_UNLOCK (dv1394src);
break;
case GST_STATE_PAUSED_TO_READY:
dv1394src->negotiated = FALSE;
break;
}
- /* if we haven't failed already, give the parent class a chance to ;-) */
- if (GST_ELEMENT_CLASS (parent_class)->change_state)
- return GST_ELEMENT_CLASS (parent_class)->change_state (element);
+ return ret;
- return GST_STATE_SUCCESS;
+no_handle:
+ {
+ GST_ELEMENT_ERROR (dv1394src, RESOURCE, NOT_FOUND, (NULL),
+ ("can't get raw1394 handle"));
+ return GST_STATE_FAILURE;
+ }
+no_ports:
+ {
+ GST_ELEMENT_ERROR (dv1394src, RESOURCE, NOT_FOUND, (NULL),
+ ("no ports available for raw1394"));
+ return GST_STATE_FAILURE;
+ }
+cannot_set_port:
+ {
+ GST_ELEMENT_ERROR (dv1394src, RESOURCE, SETTINGS, (NULL),
+ ("can't set 1394 port %d", dv1394src->port));
+ return GST_STATE_FAILURE;
+ }
+cannot_start:
+ {
+ GST_ELEMENT_ERROR (dv1394src, RESOURCE, READ, (NULL),
+ ("can't start 1394 iso receive"));
+ return GST_STATE_FAILURE;
+ }
}
+#if 0
static const GstEventMask *
gst_dv1394src_get_event_mask (GstPad * pad)
{
return masks;
}
+#endif
static gboolean
gst_dv1394src_event (GstPad * pad, GstEvent * event)
return FALSE;
}
+#if 0
static const GstFormat *
gst_dv1394src_get_formats (GstPad * pad)
{
return formats;
}
+#endif
static gboolean
gst_dv1394src_convert (GstPad * pad,
*dest_value = src_value * src->frame_rate / GST_SECOND;
break;
default:
- return FALSE;
+ goto not_supported;
}
break;
case GST_FORMAT_BYTES:
if (src->frame_rate != 0)
*dest_value = src_value * GST_SECOND / src->frame_rate;
else
- return FALSE;
+ goto not_supported;
break;
default:
- return FALSE;
+ goto not_supported;
}
break;
default:
- break;
+ goto not_supported;
}
+ gst_object_unref (src);
return TRUE;
+
+not_supported:
+ {
+ gst_object_unref (src);
+ return FALSE;
+ }
}
static const GstQueryType *
gst_dv1394src_get_query_types (GstPad * pad)
{
static const GstQueryType src_query_types[] = {
+ GST_QUERY_CONVERT,
GST_QUERY_POSITION,
0
};
}
static gboolean
-gst_dv1394src_query (GstPad * pad, GstQueryType type,
- GstFormat * format, gint64 * value)
+gst_dv1394src_query (GstPad * pad, GstQuery * query)
{
gboolean res = TRUE;
GstDV1394Src *src;
src = GST_DV1394SRC (gst_pad_get_parent (pad));
- switch (type) {
+ switch (GST_QUERY_TYPE (query)) {
case GST_QUERY_POSITION:
+ {
+ GstFormat format;
+ gint64 current;
+
+ gst_query_parse_position (query, &format, NULL, NULL);
+
/* bring our current frame to the requested format */
- res = gst_pad_convert (src->srcpad,
- GST_FORMAT_DEFAULT, src->frame_sequence, format, value);
+ res = gst_pad_query_convert (pad,
+ GST_FORMAT_DEFAULT, src->frame_sequence, &format, ¤t);
+
+ gst_query_set_position (query, format, current, -1);
break;
- default:
- res = FALSE;
+ }
+ case GST_QUERY_CONVERT:
+ {
+ GstFormat src_fmt, dest_fmt;
+ gint64 src_val, dest_val;
+
+ gst_query_parse_convert (query, &src_fmt, &src_val, &dest_fmt, &dest_val);
+ if (!(res =
+ gst_dv1394src_convert (pad, src_fmt, src_val, &dest_fmt,
+ &dest_val)))
+ goto not_supported;
+ gst_query_set_convert (query, src_fmt, src_val, dest_fmt, dest_val);
break;
+ }
+ default:
+ goto not_supported;
+ }
+
+ gst_object_unref (src);
+ return TRUE;
+
+not_supported:
+ {
+ gst_object_unref (src);
+ return FALSE;
}
- return res;
}
/*** GSTURIHANDLER INTERFACE *************************************************/
projects / platform / upstream / gstreamer.git / commitdiff