static void gst_videotestsrc_base_init (gpointer g_class);
static void gst_videotestsrc_class_init (GstVideotestsrcClass * klass);
static void gst_videotestsrc_init (GstVideotestsrc * videotestsrc);
-static GstElementStateReturn gst_videotestsrc_change_state (GstElement *
- element);
-static void gst_videotestsrc_set_clock (GstElement * element, GstClock * clock);
static void gst_videotestsrc_set_pattern (GstVideotestsrc * videotestsrc,
int pattern_type);
static void gst_videotestsrc_get_property (GObject * object, guint prop_id,
GValue * value, GParamSpec * pspec);
-static void gst_videotestsrc_loop (GstPad * pad);
+static GstCaps *gst_videotestsrc_getcaps (GstBaseSrc * bsrc);
+static gboolean gst_videotestsrc_setcaps (GstBaseSrc * bsrc, GstCaps * caps);
+static gboolean gst_videotestsrc_negotiate (GstBaseSrc * bsrc);
+static gboolean gst_videotestsrc_start (GstBaseSrc * src);
+static gboolean gst_videotestsrc_stop (GstBaseSrc * src);
+static void gst_videotestsrc_get_times (GstBaseSrc * src, GstBuffer * buffer,
+ GstClockTime * start, GstClockTime * end);
-static const GstQueryType *gst_videotestsrc_get_query_types (GstPad * pad);
-static gboolean gst_videotestsrc_src_query (GstPad * pad, GstQuery * query);
+static GstFlowReturn gst_videotestsrc_create (GstPushSrc * psrc,
+ GstBuffer ** buffer);
#if 0
static const GstEventMask *gst_videotestsrc_get_event_masks (GstPad * pad);
#endif
-static gboolean gst_videotestsrc_handle_src_event (GstPad * pad,
- GstEvent * event);
+static gboolean gst_videotestsrc_event (GstBaseSrc * bsrc, GstEvent * event);
static GstElementClass *parent_class = NULL;
};
videotestsrc_type =
- g_type_register_static (GST_TYPE_ELEMENT, "GstVideotestsrc",
+ g_type_register_static (GST_TYPE_PUSH_SRC, "GstVideotestsrc",
&videotestsrc_info, 0);
}
return videotestsrc_type;
{
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;
gobject_class->set_property = gst_videotestsrc_set_property;
gobject_class->get_property = gst_videotestsrc_get_property;
"An offset added to timestamps set on buffers (in ns)",
G_MININT64, G_MAXINT64, 0, G_PARAM_READWRITE));
- parent_class = g_type_class_ref (GST_TYPE_ELEMENT);
-
- gstelement_class->change_state = gst_videotestsrc_change_state;
- gstelement_class->set_clock = gst_videotestsrc_set_clock;
+ parent_class = g_type_class_ref (GST_TYPE_PUSH_SRC);
GST_DEBUG_CATEGORY_INIT (videotestsrc_debug, "videotestsrc", 0,
"Video Test Source");
-}
-
-static void
-gst_videotestsrc_set_clock (GstElement * element, GstClock * clock)
-{
- GstVideotestsrc *v;
- v = GST_VIDEOTESTSRC (element);
+ gstbasesrc_class->get_caps = gst_videotestsrc_getcaps;
+ gstbasesrc_class->set_caps = gst_videotestsrc_setcaps;
+ gstbasesrc_class->negotiate = gst_videotestsrc_negotiate;
+ gstbasesrc_class->start = gst_videotestsrc_start;
+ gstbasesrc_class->stop = gst_videotestsrc_stop;
+ gstbasesrc_class->get_times = gst_videotestsrc_get_times;
+ gstbasesrc_class->event = gst_videotestsrc_event;
- gst_object_replace ((GstObject **) & v->clock, (GstObject *) clock);
+ gstpushsrc_class->create = gst_videotestsrc_create;
}
-static GstCaps *
-gst_videotestsrc_src_negotiate (GstPad * pad)
+static gboolean
+gst_videotestsrc_negotiate (GstBaseSrc * bsrc)
{
GstCaps *caps;
GstCaps *temp;
+ gboolean result = FALSE;
/* get all possible caps on this link */
- caps = gst_pad_get_allowed_caps (pad);
+ caps = gst_pad_get_allowed_caps (GST_BASE_SRC_PAD (bsrc));
temp = gst_caps_normalize (caps);
gst_caps_unref (caps);
caps = temp;
gst_caps_structure_fixate_field_nearest_int (structure, "height", 240);
gst_caps_structure_fixate_field_nearest_double (structure, "framerate",
30.0);
- }
- return caps;
-}
+ result = gst_pad_set_caps (GST_BASE_SRC_PAD (bsrc), caps);
+ gst_caps_unref (caps);
+ }
-static GstPadLinkReturn
-gst_videotestsrc_src_link (GstPad * pad, GstPad * peer)
-{
- return GST_PAD_LINK_OK;
+ return result;
}
static gboolean
#endif
static gboolean
-gst_videotestsrc_setcaps (GstPad * pad, GstCaps * caps)
+gst_videotestsrc_setcaps (GstBaseSrc * bsrc, GstCaps * caps)
{
gboolean res;
gint width, height;
struct fourcc_list_struct *fourcc;
GstVideotestsrc *videotestsrc;
- videotestsrc = GST_VIDEOTESTSRC (GST_PAD_PARENT (pad));
+ videotestsrc = GST_VIDEOTESTSRC (bsrc);
res = gst_videotestsrc_parse_caps (caps, &width, &height, &rate, &fourcc);
if (res) {
GST_DEBUG_OBJECT (videotestsrc, "size %dx%d, %f fps", videotestsrc->width,
videotestsrc->height, videotestsrc->rate);
}
-
return res;
}
-static void
-gst_videotestsrc_src_unlink (GstPad * pad)
-{
- GstVideotestsrc *videotestsrc;
-
- videotestsrc = GST_VIDEOTESTSRC (GST_PAD_PARENT (pad));
-}
-
-static gboolean
-gst_videotestsrc_activate_push (GstPad * pad, gboolean active)
-{
- if (active) {
- return gst_pad_start_task (pad,
- (GstTaskFunction) gst_videotestsrc_loop, pad);
- } else {
- return gst_pad_stop_task (pad);
- }
-}
-
-static GstElementStateReturn
-gst_videotestsrc_change_state (GstElement * element)
-{
- GstVideotestsrc *videotestsrc;
- GstElementStateReturn result;
-
- videotestsrc = GST_VIDEOTESTSRC (element);
-
- switch (GST_STATE_TRANSITION (element)) {
- case GST_STATE_NULL_TO_READY:
- break;
- case GST_STATE_READY_TO_PAUSED:
- videotestsrc->num_buffers_left = videotestsrc->num_buffers;
- break;
- case GST_STATE_PAUSED_TO_PLAYING:
- break;
- }
-
- result = parent_class->change_state (element);
-
- switch (GST_STATE_TRANSITION (element)) {
- case GST_STATE_PLAYING_TO_PAUSED:
- break;
- case GST_STATE_PAUSED_TO_READY:
- videotestsrc->timestamp_offset = 0;
- videotestsrc->running_time = 0;
- videotestsrc->n_frames = 0;
- break;
- case GST_STATE_READY_TO_NULL:
- break;
- }
-
- return result;
-}
-
static GstCaps *
gst_videotestsrc_get_capslist (void)
{
#endif
static GstCaps *
-gst_videotestsrc_getcaps (GstPad * pad)
+gst_videotestsrc_getcaps (GstBaseSrc * bsrc)
{
GstVideotestsrc *vts;
- vts = GST_VIDEOTESTSRC (GST_PAD_PARENT (pad));
+ vts = GST_VIDEOTESTSRC (bsrc);
return gst_videotestsrc_get_capslist ();
}
static void
gst_videotestsrc_init (GstVideotestsrc * videotestsrc)
{
- videotestsrc->srcpad =
- gst_pad_new_from_template (gst_videotestsrc_src_template_factory (),
- "src");
- gst_pad_set_getcaps_function (videotestsrc->srcpad, gst_videotestsrc_getcaps);
- gst_pad_set_setcaps_function (videotestsrc->srcpad, gst_videotestsrc_setcaps);
- gst_element_add_pad (GST_ELEMENT (videotestsrc), videotestsrc->srcpad);
- gst_pad_set_activatepush_function (videotestsrc->srcpad,
- gst_videotestsrc_activate_push);
- gst_pad_set_link_function (videotestsrc->srcpad, gst_videotestsrc_src_link);
- gst_pad_set_unlink_function (videotestsrc->srcpad,
- gst_videotestsrc_src_unlink);
- gst_pad_set_query_function (videotestsrc->srcpad, gst_videotestsrc_src_query);
- gst_pad_set_query_type_function (videotestsrc->srcpad,
- gst_videotestsrc_get_query_types);
- gst_pad_set_event_function (videotestsrc->srcpad,
- gst_videotestsrc_handle_src_event);
-
-
gst_videotestsrc_set_pattern (videotestsrc, GST_VIDEOTESTSRC_SMPTE);
videotestsrc->num_buffers = -1;
videotestsrc->num_buffers_left = -1;
- videotestsrc->sync = TRUE;
- videotestsrc->need_discont = FALSE;
- videotestsrc->loop = FALSE;
videotestsrc->segment_start_frame = -1;
videotestsrc->segment_end_frame = -1;
videotestsrc->timestamp_offset = 0;
}
-
-static const GstQueryType *
-gst_videotestsrc_get_query_types (GstPad * pad)
-{
- static const GstQueryType query_types[] = {
- GST_QUERY_POSITION,
- 0,
- };
-
- return query_types;
-}
-
-static gboolean
-gst_videotestsrc_src_query (GstPad * pad, GstQuery * query)
-{
- gboolean res = FALSE;
- GstVideotestsrc *videotestsrc = GST_VIDEOTESTSRC (GST_PAD_PARENT (pad));
-
- switch (GST_QUERY_TYPE (query)) {
- case GST_QUERY_POSITION:
- {
- GstFormat format;
- gint64 current;
-
- gst_query_parse_position (query, &format, NULL, NULL);
-
- switch (format) {
- case GST_FORMAT_TIME:
- current = videotestsrc->running_time;
- res = TRUE;
- break;
- case GST_FORMAT_DEFAULT: /* frames */
- current = videotestsrc->n_frames;
- res = TRUE;
- break;
- default:
- break;
- }
- if (res) {
- gst_query_set_position (query, format, current, -1);
- }
- break;
- }
- default:
- break;
- }
-
- return res;
-}
-
#if 0
static const GstEventMask *
gst_videotestsrc_get_event_masks (GstPad * pad)
#endif
static gboolean
-gst_videotestsrc_handle_src_event (GstPad * pad, GstEvent * event)
+gst_videotestsrc_event (GstBaseSrc * bsrc, GstEvent * event)
{
gboolean res = TRUE;
GstVideotestsrc *videotestsrc;
gint64 new_n_frames;
- g_return_val_if_fail (pad != NULL, FALSE);
- g_return_val_if_fail (GST_IS_PAD (pad), FALSE);
-
- videotestsrc = GST_VIDEOTESTSRC (GST_PAD_PARENT (pad));
+ videotestsrc = GST_VIDEOTESTSRC (bsrc);
new_n_frames = videotestsrc->n_frames;
switch (GST_EVENT_TYPE (event)) {
videotestsrc->segment_end_frame =
GST_EVENT_SEEK_ENDOFFSET (event) * (double) videotestsrc->rate /
GST_SECOND;
- videotestsrc->loop =
+ videotestsrc->segment =
GST_EVENT_SEEK_TYPE (event) & GST_SEEK_FLAG_SEGMENT_LOOP;
break;
case GST_FORMAT_DEFAULT:
new_n_frames = GST_EVENT_SEEK_OFFSET (event);
videotestsrc->segment_start_frame = new_n_frames;
videotestsrc->segment_end_frame = GST_EVENT_SEEK_ENDOFFSET (event);
- videotestsrc->loop =
+ videotestsrc->segment =
GST_EVENT_SEEK_TYPE (event) & GST_SEEK_FLAG_SEGMENT_LOOP;
break;
default:
if (videotestsrc->n_frames != new_n_frames) {
videotestsrc->n_frames = new_n_frames;
- videotestsrc->need_discont = TRUE;
}
- gst_event_unref (event);
return res;
}
-static void
-gst_videotestsrc_loop (GstPad * pad)
+static GstFlowReturn
+gst_videotestsrc_create (GstPushSrc * psrc, GstBuffer ** buffer)
{
GstVideotestsrc *videotestsrc;
gulong newsize;
GstBuffer *outbuf;
GstFlowReturn res;
- videotestsrc = GST_VIDEOTESTSRC (GST_PAD_PARENT (pad));
- GST_LOG_OBJECT (videotestsrc, "get");
-
- /* no format on this pad, find a format */
- if (GST_PAD_CAPS (pad) == NULL) {
- GstCaps *caps;
-
- caps = gst_videotestsrc_src_negotiate (pad);
- if (!gst_pad_set_caps (videotestsrc->srcpad, caps)) {
- GST_ELEMENT_ERROR (videotestsrc, CORE, NEGOTIATION, (NULL),
- ("format could not be negotiated"));
- gst_pad_push_event (pad, gst_event_new (GST_EVENT_EOS));
- goto need_pause;
- }
- }
-
- if (videotestsrc->fourcc == NULL) {
- GST_ELEMENT_ERROR (videotestsrc, CORE, NEGOTIATION, (NULL),
- ("format wasn't negotiated before get function"));
- gst_pad_push_event (pad, gst_event_new (GST_EVENT_EOS));
- goto need_pause;
- }
-
- if (videotestsrc->need_discont) {
- GstClockTime ts = videotestsrc->timestamp_offset +
- (videotestsrc->n_frames * GST_SECOND) / (double) videotestsrc->rate;
+ videotestsrc = GST_VIDEOTESTSRC (psrc);
- videotestsrc->need_discont = FALSE;
- gst_pad_push_event (pad, gst_event_new_discontinuous (FALSE,
- GST_FORMAT_TIME, ts, NULL));
- }
-
- if ((videotestsrc->segment_end_frame != -1) &&
- (videotestsrc->n_frames > videotestsrc->segment_end_frame)) {
- if (videotestsrc->loop) {
- //gst_pad_push_event (pad, gst_event_new (GST_EVENT_SEGMENT_DONE));
- } else {
- gst_pad_push_event (pad, gst_event_new (GST_EVENT_EOS));
- goto need_pause;
- }
- }
-
- if (videotestsrc->num_buffers_left == 0) {
- gst_pad_push_event (pad, gst_event_new (GST_EVENT_EOS));
- goto need_pause;
- } else {
- if (videotestsrc->num_buffers_left > 0)
- videotestsrc->num_buffers_left--;
- }
+ if (videotestsrc->fourcc == NULL)
+ goto not_negotiated;
newsize = gst_videotestsrc_get_size (videotestsrc, videotestsrc->width,
videotestsrc->height);
- g_return_if_fail (newsize > 0);
+
+ g_return_val_if_fail (newsize > 0, GST_FLOW_ERROR);
GST_LOG_OBJECT (videotestsrc, "creating buffer of %ld bytes for %dx%d image",
newsize, videotestsrc->width, videotestsrc->height);
res =
- gst_pad_alloc_buffer (pad, GST_BUFFER_OFFSET_NONE, newsize,
- GST_PAD_CAPS (pad), &outbuf);
+ gst_pad_alloc_buffer (GST_BASE_SRC_PAD (psrc), GST_BUFFER_OFFSET_NONE,
+ newsize, GST_PAD_CAPS (GST_BASE_SRC_PAD (psrc)), &outbuf);
if (res != GST_FLOW_OK)
- goto need_pause;
+ goto no_buffer;
videotestsrc->make_image (videotestsrc, (void *) GST_BUFFER_DATA (outbuf),
videotestsrc->width, videotestsrc->height);
GST_BUFFER_TIMESTAMP (outbuf) = videotestsrc->timestamp_offset +
videotestsrc->running_time;
GST_BUFFER_DURATION (outbuf) = GST_SECOND / (double) videotestsrc->rate;
- if (videotestsrc->sync) {
- /* FIXME this is not correct if we do QoS */
- if (videotestsrc->clock) {
- //gst_element_wait (GST_ELEMENT (videotestsrc), GST_BUFFER_TIMESTAMP (outbuf));
- }
- }
+
videotestsrc->n_frames++;
videotestsrc->running_time += GST_BUFFER_DURATION (outbuf);
- if (gst_pad_push (pad, outbuf) != GST_FLOW_OK)
- goto need_pause;
+ *buffer = outbuf;
- return;
+ return GST_FLOW_OK;
-need_pause:
+not_negotiated:
{
- gst_pad_pause_task (pad);
+ GST_ELEMENT_ERROR (videotestsrc, CORE, NEGOTIATION, (NULL),
+ ("format wasn't negotiated before get function"));
+ return GST_FLOW_NOT_NEGOTIATED;
}
+no_buffer:
+ {
+ return res;
+ }
+}
+
+static gboolean
+gst_videotestsrc_start (GstBaseSrc * src)
+{
+ return TRUE;
+}
+
+static gboolean
+gst_videotestsrc_stop (GstBaseSrc * src)
+{
+ return TRUE;
}
static void
+gst_videotestsrc_get_times (GstBaseSrc * src, GstBuffer * buffer,
+ GstClockTime * start, GstClockTime * end)
+{
+ *start = GST_CLOCK_TIME_NONE;
+ *end = GST_CLOCK_TIME_NONE;
+}
+
+
+static void
gst_videotestsrc_set_pattern (GstVideotestsrc * videotestsrc, int pattern_type)
{
- videotestsrc->type = pattern_type;
+ videotestsrc->pattern_type = pattern_type;
GST_DEBUG_OBJECT (videotestsrc, "setting pattern to %d", pattern_type);
switch (pattern_type) {
case ARG_TYPE:
gst_videotestsrc_set_pattern (videotestsrc, g_value_get_enum (value));
break;
- case ARG_SYNC:
- videotestsrc->sync = g_value_get_boolean (value);
- break;
case ARG_NUM_BUFFERS:
videotestsrc->num_buffers = g_value_get_int (value);
break;
switch (prop_id) {
case ARG_TYPE:
- g_value_set_enum (value, videotestsrc->type);
- break;
- case ARG_SYNC:
- g_value_set_boolean (value, videotestsrc->sync);
+ g_value_set_enum (value, videotestsrc->pattern_type);
break;
case ARG_NUM_BUFFERS:
g_value_set_int (value, videotestsrc->num_buffers);
projects / platform / upstream / gstreamer.git / commitdiff