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gst/videotestsrc/: Make videotestsrc a pushsrc.

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Original commit message from CVS:
* gst/videotestsrc/Makefile.am:
* gst/videotestsrc/gstvideotestsrc.c: (gst_videotestsrc_get_type),
(gst_videotestsrc_class_init), (gst_videotestsrc_negotiate),
(gst_videotestsrc_setcaps), (gst_videotestsrc_getcaps),
(gst_videotestsrc_init), (gst_videotestsrc_event),
(gst_videotestsrc_create), (gst_videotestsrc_start),
(gst_videotestsrc_stop), (gst_videotestsrc_get_times),
(gst_videotestsrc_set_pattern), (gst_videotestsrc_set_property),
(gst_videotestsrc_get_property):
* gst/videotestsrc/gstvideotestsrc.h:
Make videotestsrc a pushsrc.
This commit is contained in:
Wim Taymans 2005-07-14 18:42:47 +00:00
parent 66b4961d7d
commit 914d0e0ad5
4 changed files with 109 additions and 257 deletions
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14
ChangeLog
View file

@ -1,3 +1,17 @@
2005-07-14 Wim Taymans <wim@fluendo.com>
* gst/videotestsrc/Makefile.am:
* gst/videotestsrc/gstvideotestsrc.c: (gst_videotestsrc_get_type),
(gst_videotestsrc_class_init), (gst_videotestsrc_negotiate),
(gst_videotestsrc_setcaps), (gst_videotestsrc_getcaps),
(gst_videotestsrc_init), (gst_videotestsrc_event),
(gst_videotestsrc_create), (gst_videotestsrc_start),
(gst_videotestsrc_stop), (gst_videotestsrc_get_times),
(gst_videotestsrc_set_pattern), (gst_videotestsrc_set_property),
(gst_videotestsrc_get_property):
* gst/videotestsrc/gstvideotestsrc.h:
Make videotestsrc a pushsrc.
2005-07-14 Wim Taymans <wim@fluendo.com> 2005-07-14 Wim Taymans <wim@fluendo.com>
* gst/tcp/gstfdset.c: (gst_fdset_free): * gst/tcp/gstfdset.c: (gst_fdset_free):

2
gst/videotestsrc/Makefile.am
View file

@ -6,6 +6,6 @@ libgstvideotestsrc_la_SOURCES = \
libgstvideotestsrc_la_CFLAGS = $(GST_CFLAGS) $(LIBOIL_CFLAGS) libgstvideotestsrc_la_CFLAGS = $(GST_CFLAGS) $(LIBOIL_CFLAGS)
libgstvideotestsrc_la_LDFLAGS = $(GST_PLUGIN_LDFLAGS) libgstvideotestsrc_la_LDFLAGS = $(GST_PLUGIN_LDFLAGS)
libgstvideotestsrc_la_LIBADD = $(GST_LIBS) $(LIBOIL_LIBS) libgstvideotestsrc_la_LIBADD = $(GST_LIBS) $(LIBOIL_LIBS) $(GST_BASE_LIBS)
noinst_HEADERS = gstvideotestsrc.h videotestsrc.h noinst_HEADERS = gstvideotestsrc.h videotestsrc.h

331
gst/videotestsrc/gstvideotestsrc.c
View file

@ -59,9 +59,6 @@ static GstCaps *capslist = NULL;
static void gst_videotestsrc_base_init (gpointer g_class); static void gst_videotestsrc_base_init (gpointer g_class);
static void gst_videotestsrc_class_init (GstVideotestsrcClass * klass); static void gst_videotestsrc_class_init (GstVideotestsrcClass * klass);
static void gst_videotestsrc_init (GstVideotestsrc * videotestsrc); 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, static void gst_videotestsrc_set_pattern (GstVideotestsrc * videotestsrc,
int pattern_type); int pattern_type);
@ -70,16 +67,21 @@ static void gst_videotestsrc_set_property (GObject * object, guint prop_id,
static void gst_videotestsrc_get_property (GObject * object, guint prop_id, static void gst_videotestsrc_get_property (GObject * object, guint prop_id,
GValue * value, GParamSpec * pspec); 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 GstFlowReturn gst_videotestsrc_create (GstPushSrc * psrc,
static gboolean gst_videotestsrc_src_query (GstPad * pad, GstQuery * query); GstBuffer ** buffer);
#if 0 #if 0
static const GstEventMask *gst_videotestsrc_get_event_masks (GstPad * pad); static const GstEventMask *gst_videotestsrc_get_event_masks (GstPad * pad);
#endif #endif
static gboolean gst_videotestsrc_handle_src_event (GstPad * pad, static gboolean gst_videotestsrc_event (GstBaseSrc * bsrc, GstEvent * event);
GstEvent * event);
static GstElementClass *parent_class = NULL; static GstElementClass *parent_class = NULL;
@ -117,7 +119,7 @@ gst_videotestsrc_get_type (void)
}; };
videotestsrc_type = videotestsrc_type =
g_type_register_static (GST_TYPE_ELEMENT, "GstVideotestsrc", g_type_register_static (GST_TYPE_PUSH_SRC, "GstVideotestsrc",
&videotestsrc_info, 0); &videotestsrc_info, 0);
} }
return videotestsrc_type; return videotestsrc_type;
@ -157,9 +159,13 @@ gst_videotestsrc_class_init (GstVideotestsrcClass * klass)
{ {
GObjectClass *gobject_class; GObjectClass *gobject_class;
GstElementClass *gstelement_class; GstElementClass *gstelement_class;
GstBaseSrcClass *gstbasesrc_class;
GstPushSrcClass *gstpushsrc_class;
gobject_class = (GObjectClass *) klass; gobject_class = (GObjectClass *) klass;
gstelement_class = (GstElementClass *) klass; gstelement_class = (GstElementClass *) klass;
gstbasesrc_class = (GstBaseSrcClass *) klass;
gstpushsrc_class = (GstPushSrcClass *) klass;
gobject_class->set_property = gst_videotestsrc_set_property; gobject_class->set_property = gst_videotestsrc_set_property;
gobject_class->get_property = gst_videotestsrc_get_property; gobject_class->get_property = gst_videotestsrc_get_property;
@ -180,33 +186,31 @@ gst_videotestsrc_class_init (GstVideotestsrcClass * klass)
"An offset added to timestamps set on buffers (in ns)", "An offset added to timestamps set on buffers (in ns)",
G_MININT64, G_MAXINT64, 0, G_PARAM_READWRITE)); G_MININT64, G_MAXINT64, 0, G_PARAM_READWRITE));
parent_class = g_type_class_ref (GST_TYPE_ELEMENT); parent_class = g_type_class_ref (GST_TYPE_PUSH_SRC);
gstelement_class->change_state = gst_videotestsrc_change_state;
gstelement_class->set_clock = gst_videotestsrc_set_clock;
GST_DEBUG_CATEGORY_INIT (videotestsrc_debug, "videotestsrc", 0, GST_DEBUG_CATEGORY_INIT (videotestsrc_debug, "videotestsrc", 0,
"Video Test Source"); "Video Test Source");
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;
gstpushsrc_class->create = gst_videotestsrc_create;
} }
static void static gboolean
gst_videotestsrc_set_clock (GstElement * element, GstClock * clock) gst_videotestsrc_negotiate (GstBaseSrc * bsrc)
{
GstVideotestsrc *v;
v = GST_VIDEOTESTSRC (element);
gst_object_replace ((GstObject **) & v->clock, (GstObject *) clock);
}
static GstCaps *
gst_videotestsrc_src_negotiate (GstPad * pad)
{ {
GstCaps *caps; GstCaps *caps;
GstCaps *temp; GstCaps *temp;
gboolean result = FALSE;
/* get all possible caps on this link */ /* 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); temp = gst_caps_normalize (caps);
gst_caps_unref (caps); gst_caps_unref (caps);
caps = temp; caps = temp;
@ -225,15 +229,12 @@ gst_videotestsrc_src_negotiate (GstPad * pad)
gst_caps_structure_fixate_field_nearest_int (structure, "height", 240); gst_caps_structure_fixate_field_nearest_int (structure, "height", 240);
gst_caps_structure_fixate_field_nearest_double (structure, "framerate", gst_caps_structure_fixate_field_nearest_double (structure, "framerate",
30.0); 30.0);
result = gst_pad_set_caps (GST_BASE_SRC_PAD (bsrc), caps);
gst_caps_unref (caps);
} }
return caps; return result;
}
static GstPadLinkReturn
gst_videotestsrc_src_link (GstPad * pad, GstPad * peer)
{
return GST_PAD_LINK_OK;
} }
static gboolean static gboolean
@ -277,7 +278,7 @@ gst_videotestsrc_src_accept_caps (GstPad * pad, const GstCaps * caps)
#endif #endif
static gboolean static gboolean
gst_videotestsrc_setcaps (GstPad * pad, GstCaps * caps) gst_videotestsrc_setcaps (GstBaseSrc * bsrc, GstCaps * caps)
{ {
gboolean res; gboolean res;
gint width, height; gint width, height;
@ -285,7 +286,7 @@ gst_videotestsrc_setcaps (GstPad * pad, GstCaps * caps)
struct fourcc_list_struct *fourcc; struct fourcc_list_struct *fourcc;
GstVideotestsrc *videotestsrc; GstVideotestsrc *videotestsrc;
videotestsrc = GST_VIDEOTESTSRC (GST_PAD_PARENT (pad)); videotestsrc = GST_VIDEOTESTSRC (bsrc);
res = gst_videotestsrc_parse_caps (caps, &width, &height, &rate, &fourcc); res = gst_videotestsrc_parse_caps (caps, &width, &height, &rate, &fourcc);
if (res) { if (res) {
@ -299,64 +300,9 @@ gst_videotestsrc_setcaps (GstPad * pad, GstCaps * caps)
GST_DEBUG_OBJECT (videotestsrc, "size %dx%d, %f fps", videotestsrc->width, GST_DEBUG_OBJECT (videotestsrc, "size %dx%d, %f fps", videotestsrc->width,
videotestsrc->height, videotestsrc->rate); videotestsrc->height, videotestsrc->rate);
} }
return res; 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 * static GstCaps *
gst_videotestsrc_get_capslist (void) gst_videotestsrc_get_capslist (void)
{ {
@ -407,11 +353,11 @@ gst_videotestsrc_get_capslist_size (int width, int height, double rate)
#endif #endif
static GstCaps * static GstCaps *
gst_videotestsrc_getcaps (GstPad * pad) gst_videotestsrc_getcaps (GstBaseSrc * bsrc)
{ {
GstVideotestsrc *vts; GstVideotestsrc *vts;
vts = GST_VIDEOTESTSRC (GST_PAD_PARENT (pad)); vts = GST_VIDEOTESTSRC (bsrc);
return gst_videotestsrc_get_capslist (); return gst_videotestsrc_get_capslist ();
} }
@ -419,86 +365,15 @@ gst_videotestsrc_getcaps (GstPad * pad)
static void static void
gst_videotestsrc_init (GstVideotestsrc * videotestsrc) 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); gst_videotestsrc_set_pattern (videotestsrc, GST_VIDEOTESTSRC_SMPTE);
videotestsrc->num_buffers = -1; videotestsrc->num_buffers = -1;
videotestsrc->num_buffers_left = -1; videotestsrc->num_buffers_left = -1;
videotestsrc->sync = TRUE;
videotestsrc->need_discont = FALSE;
videotestsrc->loop = FALSE;
videotestsrc->segment_start_frame = -1; videotestsrc->segment_start_frame = -1;
videotestsrc->segment_end_frame = -1; videotestsrc->segment_end_frame = -1;
videotestsrc->timestamp_offset = 0; 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 #if 0
static const GstEventMask * static const GstEventMask *
gst_videotestsrc_get_event_masks (GstPad * pad) gst_videotestsrc_get_event_masks (GstPad * pad)
@ -513,16 +388,13 @@ gst_videotestsrc_get_event_masks (GstPad * pad)
#endif #endif
static gboolean static gboolean
gst_videotestsrc_handle_src_event (GstPad * pad, GstEvent * event) gst_videotestsrc_event (GstBaseSrc * bsrc, GstEvent * event)
{ {
gboolean res = TRUE; gboolean res = TRUE;
GstVideotestsrc *videotestsrc; GstVideotestsrc *videotestsrc;
gint64 new_n_frames; gint64 new_n_frames;
g_return_val_if_fail (pad != NULL, FALSE); videotestsrc = GST_VIDEOTESTSRC (bsrc);
g_return_val_if_fail (GST_IS_PAD (pad), FALSE);
videotestsrc = GST_VIDEOTESTSRC (GST_PAD_PARENT (pad));
new_n_frames = videotestsrc->n_frames; new_n_frames = videotestsrc->n_frames;
switch (GST_EVENT_TYPE (event)) { switch (GST_EVENT_TYPE (event)) {
@ -537,14 +409,14 @@ gst_videotestsrc_handle_src_event (GstPad * pad, GstEvent * event)
videotestsrc->segment_end_frame = videotestsrc->segment_end_frame =
GST_EVENT_SEEK_ENDOFFSET (event) * (double) videotestsrc->rate / GST_EVENT_SEEK_ENDOFFSET (event) * (double) videotestsrc->rate /
GST_SECOND; GST_SECOND;
videotestsrc->loop = videotestsrc->segment =
GST_EVENT_SEEK_TYPE (event) & GST_SEEK_FLAG_SEGMENT_LOOP; GST_EVENT_SEEK_TYPE (event) & GST_SEEK_FLAG_SEGMENT_LOOP;
break; break;
case GST_FORMAT_DEFAULT: case GST_FORMAT_DEFAULT:
new_n_frames = GST_EVENT_SEEK_OFFSET (event); new_n_frames = GST_EVENT_SEEK_OFFSET (event);
videotestsrc->segment_start_frame = new_n_frames; videotestsrc->segment_start_frame = new_n_frames;
videotestsrc->segment_end_frame = GST_EVENT_SEEK_ENDOFFSET (event); videotestsrc->segment_end_frame = GST_EVENT_SEEK_ENDOFFSET (event);
videotestsrc->loop = videotestsrc->segment =
GST_EVENT_SEEK_TYPE (event) & GST_SEEK_FLAG_SEGMENT_LOOP; GST_EVENT_SEEK_TYPE (event) & GST_SEEK_FLAG_SEGMENT_LOOP;
break; break;
default: default:
@ -560,83 +432,37 @@ gst_videotestsrc_handle_src_event (GstPad * pad, GstEvent * event)
if (videotestsrc->n_frames != new_n_frames) { if (videotestsrc->n_frames != new_n_frames) {
videotestsrc->n_frames = new_n_frames; videotestsrc->n_frames = new_n_frames;
videotestsrc->need_discont = TRUE;
} }
gst_event_unref (event);
return res; return res;
} }
static void static GstFlowReturn
gst_videotestsrc_loop (GstPad * pad) gst_videotestsrc_create (GstPushSrc * psrc, GstBuffer ** buffer)
{ {
GstVideotestsrc *videotestsrc; GstVideotestsrc *videotestsrc;
gulong newsize; gulong newsize;
GstBuffer *outbuf; GstBuffer *outbuf;
GstFlowReturn res; GstFlowReturn res;
videotestsrc = GST_VIDEOTESTSRC (GST_PAD_PARENT (pad)); videotestsrc = GST_VIDEOTESTSRC (psrc);
GST_LOG_OBJECT (videotestsrc, "get");
/* no format on this pad, find a format */ if (videotestsrc->fourcc == NULL)
if (GST_PAD_CAPS (pad) == NULL) { goto not_negotiated;
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->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--;
}
newsize = gst_videotestsrc_get_size (videotestsrc, videotestsrc->width, newsize = gst_videotestsrc_get_size (videotestsrc, videotestsrc->width,
videotestsrc->height); 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", GST_LOG_OBJECT (videotestsrc, "creating buffer of %ld bytes for %dx%d image",
newsize, videotestsrc->width, videotestsrc->height); newsize, videotestsrc->width, videotestsrc->height);
res = res =
gst_pad_alloc_buffer (pad, GST_BUFFER_OFFSET_NONE, newsize, gst_pad_alloc_buffer (GST_BASE_SRC_PAD (psrc), GST_BUFFER_OFFSET_NONE,
GST_PAD_CAPS (pad), &outbuf); newsize, GST_PAD_CAPS (GST_BASE_SRC_PAD (psrc)), &outbuf);
if (res != GST_FLOW_OK) if (res != GST_FLOW_OK)
goto need_pause; goto no_buffer;
videotestsrc->make_image (videotestsrc, (void *) GST_BUFFER_DATA (outbuf), videotestsrc->make_image (videotestsrc, (void *) GST_BUFFER_DATA (outbuf),
videotestsrc->width, videotestsrc->height); videotestsrc->width, videotestsrc->height);
@ -644,30 +470,51 @@ gst_videotestsrc_loop (GstPad * pad)
GST_BUFFER_TIMESTAMP (outbuf) = videotestsrc->timestamp_offset + GST_BUFFER_TIMESTAMP (outbuf) = videotestsrc->timestamp_offset +
videotestsrc->running_time; videotestsrc->running_time;
GST_BUFFER_DURATION (outbuf) = GST_SECOND / (double) videotestsrc->rate; 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->n_frames++;
videotestsrc->running_time += GST_BUFFER_DURATION (outbuf); videotestsrc->running_time += GST_BUFFER_DURATION (outbuf);
if (gst_pad_push (pad, outbuf) != GST_FLOW_OK) *buffer = outbuf;
goto need_pause;
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 static void
gst_videotestsrc_set_pattern (GstVideotestsrc * videotestsrc, int pattern_type) 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); GST_DEBUG_OBJECT (videotestsrc, "setting pattern to %d", pattern_type);
switch (pattern_type) { switch (pattern_type) {
@ -698,9 +545,6 @@ gst_videotestsrc_set_property (GObject * object, guint prop_id,
case ARG_TYPE: case ARG_TYPE:
gst_videotestsrc_set_pattern (videotestsrc, g_value_get_enum (value)); gst_videotestsrc_set_pattern (videotestsrc, g_value_get_enum (value));
break; break;
case ARG_SYNC:
videotestsrc->sync = g_value_get_boolean (value);
break;
case ARG_NUM_BUFFERS: case ARG_NUM_BUFFERS:
videotestsrc->num_buffers = g_value_get_int (value); videotestsrc->num_buffers = g_value_get_int (value);
break; break;
@ -723,10 +567,7 @@ gst_videotestsrc_get_property (GObject * object, guint prop_id, GValue * value,
switch (prop_id) { switch (prop_id) {
case ARG_TYPE: case ARG_TYPE:
g_value_set_enum (value, videotestsrc->type); g_value_set_enum (value, videotestsrc->pattern_type);
break;
case ARG_SYNC:
g_value_set_boolean (value, videotestsrc->sync);
break; break;
case ARG_NUM_BUFFERS: case ARG_NUM_BUFFERS:
g_value_set_int (value, videotestsrc->num_buffers); g_value_set_int (value, videotestsrc->num_buffers);

19
gst/videotestsrc/gstvideotestsrc.h
View file

@ -22,6 +22,7 @@
#define __GST_VIDEOTESTSRC_H__ #define __GST_VIDEOTESTSRC_H__
#include <gst/gst.h> #include <gst/gst.h>
#include <gst/base/gstpushsrc.h>
G_BEGIN_DECLS G_BEGIN_DECLS
@ -46,38 +47,34 @@ typedef struct _GstVideotestsrc GstVideotestsrc;
typedef struct _GstVideotestsrcClass GstVideotestsrcClass; typedef struct _GstVideotestsrcClass GstVideotestsrcClass;
struct _GstVideotestsrc { struct _GstVideotestsrc {
GstElement element; GstPushSrc element;
GstPad *sinkpad, *srcpad; /* type of output */
GstVideotestsrcPattern pattern_type;
/* parameters */
gboolean sync;
/* video state */ /* video state */
char *format_name; char *format_name;
gint width; gint width;
gint height; gint height;
struct fourcc_list_struct *fourcc; struct fourcc_list_struct *fourcc;
gint bpp;
gdouble rate;
/* private */ /* private */
gint64 timestamp_offset; /* base offset */ gint64 timestamp_offset; /* base offset */
GstClockTime running_time; /* total running time */ GstClockTime running_time; /* total running time */
gint64 n_frames; /* total frames sent */ gint64 n_frames; /* total frames sent */
gint bpp;
gdouble rate;
int type;
GstClock *clock; GstClock *clock;
gint num_buffers, num_buffers_left; gint num_buffers, num_buffers_left;
gboolean need_discont;
gboolean loop;
gint64 segment_start_frame; gint64 segment_start_frame;
gint64 segment_end_frame; gint64 segment_end_frame;
gboolean segment;
void (*make_image) (GstVideotestsrc *v, unsigned char *dest, int w, int h); void (*make_image) (GstVideotestsrc *v, unsigned char *dest, int w, int h);
}; };
struct _GstVideotestsrcClass { struct _GstVideotestsrcClass {
GstElementClass parent_class; GstPushSrcClass parent_class;
}; };
GType gst_videotestsrc_get_type (void) G_GNUC_CONST; GType gst_videotestsrc_get_type (void) G_GNUC_CONST;