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[MOVED FROM GST-P-FARSIGHT] Changed dtmfsrc into a subclass of GstBaseSrc

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20070913175520-4f0f6-16ca4bf93690072f3e836d1c8a5b52cf7a421916.gz
This commit is contained in:
Youness Alaoui 2007-09-13 17:55:20 +00:00 committed by Edward Hervey
parent da9d38b487
commit 1ab6c9c1ea
2 changed files with 94 additions and 212 deletions
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299
gst/dtmf/gstdtmfsrc.c
View file

@ -231,53 +231,30 @@ GST_STATIC_PAD_TEMPLATE ("src",
"channels = (int) 1") "channels = (int) 1")
); );
static GstElementClass *parent_class = NULL; GST_BOILERPLATE (GstDTMFSrc, gst_dtmf_src, GstBaseSrc, GST_TYPE_BASE_SRC);
static void gst_dtmf_src_base_init (gpointer g_class);
static void gst_dtmf_src_class_init (GstDTMFSrcClass * klass);
static void gst_dtmf_src_init (GstDTMFSrc * dtmfsrc, gpointer g_class);
static void gst_dtmf_src_finalize (GObject * object); static void gst_dtmf_src_finalize (GObject * object);
GType
gst_dtmf_src_get_type (void)
{
static GType base_src_type = 0;
if (G_UNLIKELY (base_src_type == 0)) {
static const GTypeInfo base_src_info = {
sizeof (GstDTMFSrcClass),
(GBaseInitFunc) gst_dtmf_src_base_init,
NULL,
(GClassInitFunc) gst_dtmf_src_class_init,
NULL,
NULL,
sizeof (GstDTMFSrc),
0,
(GInstanceInitFunc) gst_dtmf_src_init,
};
base_src_type = g_type_register_static (GST_TYPE_ELEMENT,
"GstDTMFSrc", &base_src_info, 0);
}
return base_src_type;
}
static void gst_dtmf_src_set_property (GObject * object, guint prop_id, static void gst_dtmf_src_set_property (GObject * object, guint prop_id,
const GValue * value, GParamSpec * pspec); const GValue * value, GParamSpec * pspec);
static void gst_dtmf_src_get_property (GObject * object, guint prop_id, static void gst_dtmf_src_get_property (GObject * object, guint prop_id,
GValue * value, GParamSpec * pspec); GValue * value, GParamSpec * pspec);
static gboolean gst_dtmf_src_handle_event (GstPad * pad, GstEvent * event); static gboolean gst_dtmf_src_handle_event (GstBaseSrc *src, GstEvent * event);
static GstStateChangeReturn gst_dtmf_src_change_state (GstElement * element, static GstStateChangeReturn gst_dtmf_src_change_state (GstElement * element,
GstStateChange transition); GstStateChange transition);
static void gst_dtmf_src_generate_tone(GstDTMFSrcEvent *event, DTMF_KEY key, static void gst_dtmf_src_generate_tone(GstDTMFSrcEvent *event, DTMF_KEY key,
float duration, GstBuffer * buffer); float duration, GstBuffer * buffer);
static void gst_dtmf_src_push_next_tone_packet (GstDTMFSrc *dtmfsrc); static GstFlowReturn gst_dtmf_src_create (GstBaseSrc * basesrc,
static void gst_dtmf_src_start (GstDTMFSrc *dtmfsrc); guint64 offset, guint length, GstBuffer ** buffer);
static void gst_dtmf_src_stop (GstDTMFSrc *dtmfsrc);
static void gst_dtmf_src_add_start_event (GstDTMFSrc *dtmfsrc, static void gst_dtmf_src_add_start_event (GstDTMFSrc *dtmfsrc,
gint event_number, gint event_volume); gint event_number, gint event_volume);
static void gst_dtmf_src_add_stop_event (GstDTMFSrc *dtmfsrc); static void gst_dtmf_src_add_stop_event (GstDTMFSrc *dtmfsrc);
static void gst_dtmf_src_get_times (GstBaseSrc * basesrc,
GstBuffer * buffer, GstClockTime * start, GstClockTime * end);
static void static void
gst_dtmf_src_base_init (gpointer g_class) gst_dtmf_src_base_init (gpointer g_class)
{ {
@ -296,12 +273,13 @@ static void
gst_dtmf_src_class_init (GstDTMFSrcClass * klass) gst_dtmf_src_class_init (GstDTMFSrcClass * klass)
{ {
GObjectClass *gobject_class; GObjectClass *gobject_class;
GstBaseSrcClass *gstbasesrc_class;
GstElementClass *gstelement_class; GstElementClass *gstelement_class;
gobject_class = G_OBJECT_CLASS (klass); gobject_class = G_OBJECT_CLASS (klass);
gstbasesrc_class = GST_BASE_SRC_CLASS (klass);
gstelement_class = GST_ELEMENT_CLASS (klass); gstelement_class = GST_ELEMENT_CLASS (klass);
parent_class = g_type_class_peek_parent (klass);
gobject_class->finalize = GST_DEBUG_FUNCPTR (gst_dtmf_src_finalize); gobject_class->finalize = GST_DEBUG_FUNCPTR (gst_dtmf_src_finalize);
gobject_class->set_property = gobject_class->set_property =
@ -316,17 +294,22 @@ gst_dtmf_src_class_init (GstDTMFSrcClass * klass)
gstelement_class->change_state = gstelement_class->change_state =
GST_DEBUG_FUNCPTR (gst_dtmf_src_change_state); GST_DEBUG_FUNCPTR (gst_dtmf_src_change_state);
gstbasesrc_class->event =
GST_DEBUG_FUNCPTR (gst_dtmf_src_handle_event);
gstbasesrc_class->get_times =
GST_DEBUG_FUNCPTR (gst_dtmf_src_get_times);
gstbasesrc_class->create =
GST_DEBUG_FUNCPTR (gst_dtmf_src_create);
} }
static void
gst_dtmf_src_init (GstDTMFSrc * dtmfsrc, gpointer g_class)
{
dtmfsrc->srcpad =
gst_pad_new_from_static_template (&gst_dtmf_src_template, "src");
GST_DEBUG_OBJECT (dtmfsrc, "adding src pad");
gst_element_add_pad (GST_ELEMENT (dtmfsrc), dtmfsrc->srcpad);
gst_pad_set_event_function (dtmfsrc->srcpad, gst_dtmf_src_handle_event); static void
gst_dtmf_src_init (GstDTMFSrc * dtmfsrc, GstDTMFSrcClass *g_class)
{
/* we operate in time */
gst_base_src_set_format (GST_BASE_SRC (dtmfsrc), GST_FORMAT_TIME);
gst_base_src_set_live (GST_BASE_SRC (dtmfsrc), TRUE);
dtmfsrc->interval = DEFAULT_PACKET_INTERVAL; dtmfsrc->interval = DEFAULT_PACKET_INTERVAL;
@ -334,7 +317,6 @@ gst_dtmf_src_init (GstDTMFSrc * dtmfsrc, gpointer g_class)
dtmfsrc->last_event = NULL; dtmfsrc->last_event = NULL;
dtmfsrc->clock_id = NULL; dtmfsrc->clock_id = NULL;
dtmfsrc->task_paused = TRUE;
GST_DEBUG_OBJECT (dtmfsrc, "init done"); GST_DEBUG_OBJECT (dtmfsrc, "init done");
} }
@ -346,9 +328,6 @@ gst_dtmf_src_finalize (GObject * object)
dtmfsrc = GST_DTMF_SRC (object); dtmfsrc = GST_DTMF_SRC (object);
gst_dtmf_src_stop (dtmfsrc);
if (dtmfsrc->event_queue) { if (dtmfsrc->event_queue) {
g_async_queue_unref (dtmfsrc->event_queue); g_async_queue_unref (dtmfsrc->event_queue);
dtmfsrc->event_queue = NULL; dtmfsrc->event_queue = NULL;
@ -424,36 +403,18 @@ ret:
} }
static gboolean static gboolean
gst_dtmf_src_handle_event (GstPad * pad, GstEvent * event) gst_dtmf_src_handle_event (GstBaseSrc * src, GstEvent * event)
{ {
GstDTMFSrc *dtmfsrc; GstDTMFSrc *dtmfsrc;
gboolean result = FALSE; gboolean result = FALSE;
GstElement *parent = gst_pad_get_parent_element (pad);
dtmfsrc = GST_DTMF_SRC (parent); dtmfsrc = GST_DTMF_SRC (src);
GST_DEBUG_OBJECT (dtmfsrc, "Received an event on the src pad"); GST_DEBUG_OBJECT (dtmfsrc, "Received an event on the src pad");
switch (GST_EVENT_TYPE (event)) { if (GST_EVENT_TYPE (event) == GST_EVENT_CUSTOM_UPSTREAM) {
case GST_EVENT_CUSTOM_UPSTREAM: result = gst_dtmf_src_handle_custom_upstream (dtmfsrc, event);
{
result = gst_dtmf_src_handle_custom_upstream (dtmfsrc, event);
break;
}
/* Ideally this element should not be flushed but let's handle the event
* just in case it is */
case GST_EVENT_FLUSH_START:
gst_dtmf_src_stop (dtmfsrc);
result = TRUE;
break;
case GST_EVENT_FLUSH_STOP:
gst_segment_init (&dtmfsrc->segment, GST_FORMAT_TIME);
break;
default:
result = gst_pad_event_default (pad, event);
break;
} }
gst_object_unref (parent);
gst_event_unref (event);
return result; return result;
} }
@ -496,6 +457,7 @@ gst_dtmf_src_get_property (GObject * object, guint prop_id, GValue * value,
static void static void
gst_dtmf_src_set_stream_lock (GstDTMFSrc *dtmfsrc, gboolean lock) gst_dtmf_src_set_stream_lock (GstDTMFSrc *dtmfsrc, gboolean lock)
{ {
GstPad *srcpad = GST_BASE_SRC_PAD (dtmfsrc);
GstEvent *event; GstEvent *event;
GstStructure *structure; GstStructure *structure;
@ -503,7 +465,7 @@ gst_dtmf_src_set_stream_lock (GstDTMFSrc *dtmfsrc, gboolean lock)
"lock", G_TYPE_BOOLEAN, lock, NULL); "lock", G_TYPE_BOOLEAN, lock, NULL);
event = gst_event_new_custom (GST_EVENT_CUSTOM_DOWNSTREAM_OOB, structure); event = gst_event_new_custom (GST_EVENT_CUSTOM_DOWNSTREAM_OOB, structure);
if (!gst_pad_push_event (dtmfsrc->srcpad, event)) { if (!gst_pad_push_event (srcpad, event)) {
GST_WARNING_OBJECT (dtmfsrc, "stream-lock event not handled"); GST_WARNING_OBJECT (dtmfsrc, "stream-lock event not handled");
} }
} }
@ -512,10 +474,13 @@ static void
gst_dtmf_prepare_timestamps (GstDTMFSrc *dtmfsrc) gst_dtmf_prepare_timestamps (GstDTMFSrc *dtmfsrc)
{ {
GstClock *clock; GstClock *clock;
GstClockTime base_time;
base_time = GST_ELEMENT_CAST (dtmfsrc)->base_time;
clock = gst_element_get_clock (GST_ELEMENT (dtmfsrc)); clock = gst_element_get_clock (GST_ELEMENT (dtmfsrc));
if (clock != NULL) { if (clock != NULL) {
dtmfsrc->timestamp = gst_clock_get_time (clock); dtmfsrc->timestamp = gst_clock_get_time (clock) - base_time;
gst_object_unref (clock); gst_object_unref (clock);
} else { } else {
gchar *dtmf_name = gst_element_get_name (dtmfsrc); gchar *dtmf_name = gst_element_get_name (dtmfsrc);
@ -525,65 +490,6 @@ gst_dtmf_prepare_timestamps (GstDTMFSrc *dtmfsrc)
} }
} }
static void
gst_dtmf_src_start (GstDTMFSrc *dtmfsrc)
{
const GstCaps * caps = gst_pad_get_pad_template_caps (dtmfsrc->srcpad);
if (!gst_pad_set_caps (dtmfsrc->srcpad, (GstCaps *)caps))
GST_ERROR_OBJECT (dtmfsrc,
"Failed to set caps %" GST_PTR_FORMAT " on src pad", caps);
else
GST_DEBUG_OBJECT (dtmfsrc,
"caps %" GST_PTR_FORMAT " set on src pad", caps);
dtmfsrc->task_paused = FALSE;
if (!gst_pad_start_task (dtmfsrc->srcpad,
(GstTaskFunction) gst_dtmf_src_push_next_tone_packet, dtmfsrc)) {
GST_ERROR_OBJECT (dtmfsrc, "Failed to start task on src pad");
}
}
static void
gst_dtmf_src_stop (GstDTMFSrc *dtmfsrc)
{
GstDTMFSrcEvent *event = NULL;
dtmfsrc->task_paused = TRUE;
GST_OBJECT_LOCK (dtmfsrc);
if (dtmfsrc->clock_id != NULL) {
gst_clock_id_unschedule(dtmfsrc->clock_id);
}
GST_OBJECT_UNLOCK (dtmfsrc);
event = g_malloc (sizeof(GstDTMFSrcEvent));
event->event_type = DTMF_EVENT_TYPE_PAUSE_TASK;
g_async_queue_push (dtmfsrc->event_queue, event);
event = NULL;
if (!gst_pad_pause_task (dtmfsrc->srcpad)) {
GST_ERROR_OBJECT (dtmfsrc, "Failed to pause task on src pad");
return;
}
if (dtmfsrc->last_event) {
/* Don't forget to release the stream lock */
gst_dtmf_src_set_stream_lock (dtmfsrc, FALSE);
g_free (dtmfsrc->last_event);
dtmfsrc->last_event = NULL;
}
/* Flushing the event queue */
event = g_async_queue_try_pop (dtmfsrc->event_queue);
while (event != NULL) {
g_free (event);
event = g_async_queue_try_pop (dtmfsrc->event_queue);
}
}
static void static void
gst_dtmf_src_add_start_event (GstDTMFSrc *dtmfsrc, gint event_number, gst_dtmf_src_add_start_event (GstDTMFSrc *dtmfsrc, gint event_number,
gint event_volume) gint event_volume)
@ -671,51 +577,25 @@ gst_dtmf_src_generate_tone(GstDTMFSrcEvent *event, DTMF_KEY key, float duration,
} }
static void static void
gst_dtmf_src_wait_for_buffer_ts (GstDTMFSrc *dtmfsrc, GstBuffer * buf) gst_dtmf_src_get_times (GstBaseSrc * basesrc, GstBuffer * buffer,
GstClockTime * start, GstClockTime * end)
{ {
GstClock *clock; /* for live sources, sync on the timestamp of the buffer */
if (gst_base_src_is_live (basesrc)) {
GstClockTime timestamp = GST_BUFFER_TIMESTAMP (buffer);
clock = gst_element_get_clock (GST_ELEMENT (dtmfsrc)); if (GST_CLOCK_TIME_IS_VALID (timestamp)) {
if (clock != NULL) { /* get duration to calculate end time */
GstClockReturn clock_ret; GstClockTime duration = GST_BUFFER_DURATION (buffer);
GstClockID clock_id;
clock_id = gst_clock_new_single_shot_id (clock, GST_BUFFER_TIMESTAMP (buf)); *start = timestamp;
gst_object_unref (clock); if (GST_CLOCK_TIME_IS_VALID (duration)) {
*end = *start + duration;
GST_OBJECT_LOCK (dtmfsrc);
dtmfsrc->clock_id = clock_id;
GST_OBJECT_UNLOCK (dtmfsrc);
if (dtmfsrc->task_paused) {
clock_ret = GST_CLOCK_UNSCHEDULED;
} else {
clock_ret = gst_clock_id_wait (dtmfsrc->clock_id, NULL);
}
GST_OBJECT_LOCK (dtmfsrc);
dtmfsrc->clock_id = NULL;
gst_clock_id_unref (clock_id);
GST_OBJECT_UNLOCK (dtmfsrc);
if (clock_ret == GST_CLOCK_UNSCHEDULED) {
GST_DEBUG_OBJECT (dtmfsrc, "Clock wait unscheduled");
} else {
if (clock_ret != GST_CLOCK_OK && clock_ret != GST_CLOCK_EARLY) {
gchar *clock_name = NULL;
clock = gst_element_get_clock (GST_ELEMENT (dtmfsrc));
clock_name = gst_element_get_name (clock);
gst_object_unref (clock);
GST_ERROR_OBJECT (dtmfsrc, "Failed to wait on clock %s", clock_name);
g_free (clock_name);
} }
} }
} else { } else {
gchar *dtmf_name = gst_element_get_name (dtmfsrc); *start = -1;
GST_ERROR_OBJECT (dtmfsrc, "No clock set for element %s", dtmf_name); *end = -1;
g_free (dtmf_name);
} }
} }
@ -726,6 +606,7 @@ gst_dtmf_src_create_next_tone_packet (GstDTMFSrc *dtmfsrc,
{ {
GstBuffer *buf = NULL; GstBuffer *buf = NULL;
gboolean send_silence = FALSE; gboolean send_silence = FALSE;
GstPad *srcpad = GST_BASE_SRC_PAD (dtmfsrc);
GST_DEBUG_OBJECT (dtmfsrc, "Creating buffer for tone %s", GST_DEBUG_OBJECT (dtmfsrc, "Creating buffer for tone %s",
DTMF_KEYS[event->event_number].event_name); DTMF_KEYS[event->event_number].event_name);
@ -753,24 +634,26 @@ gst_dtmf_src_create_next_tone_packet (GstDTMFSrc *dtmfsrc,
GST_BUFFER_TIMESTAMP (buf) = dtmfsrc->timestamp; GST_BUFFER_TIMESTAMP (buf) = dtmfsrc->timestamp;
dtmfsrc->timestamp += GST_BUFFER_DURATION (buf); dtmfsrc->timestamp += GST_BUFFER_DURATION (buf);
/* FIXME: Should we sync to clock ourselves or leave it to sink */
gst_dtmf_src_wait_for_buffer_ts (dtmfsrc, buf);
/* Set caps on the buffer before pushing it */ /* Set caps on the buffer before pushing it */
gst_buffer_set_caps (buf, GST_PAD_CAPS (dtmfsrc->srcpad)); gst_buffer_set_caps (buf, GST_PAD_CAPS (srcpad));
return buf; return buf;
} }
static void static GstFlowReturn
gst_dtmf_src_push_next_tone_packet (GstDTMFSrc *dtmfsrc) gst_dtmf_src_create (GstBaseSrc * basesrc, guint64 offset,
guint length, GstBuffer ** buffer)
{ {
GstBuffer *buf = NULL; GstBuffer *buf = NULL;
GstFlowReturn ret; GstFlowReturn ret;
GstDTMFSrcEvent *event; GstDTMFSrcEvent *event;
GstDTMFSrc * dtmfsrc;
dtmfsrc = GST_DTMF_SRC (basesrc);
g_async_queue_ref (dtmfsrc->event_queue); g_async_queue_ref (dtmfsrc->event_queue);
start:
if (dtmfsrc->last_event == NULL) { if (dtmfsrc->last_event == NULL) {
event = g_async_queue_pop (dtmfsrc->event_queue); event = g_async_queue_pop (dtmfsrc->event_queue);
@ -788,11 +671,10 @@ gst_dtmf_src_push_next_tone_packet (GstDTMFSrc *dtmfsrc)
} else if (event->event_type == DTMF_EVENT_TYPE_PAUSE_TASK) { } else if (event->event_type == DTMF_EVENT_TYPE_PAUSE_TASK) {
/* /*
* We're pushing it back because it has to stay in there until * We're pushing it back because it has to stay in there until
* the task is really paused (and the queue will then be flushed * the task is really paused (and the queue will then be flushed)
*/ */
g_async_queue_push (dtmfsrc->event_queue, event); g_async_queue_push (dtmfsrc->event_queue, event);
g_async_queue_unref (dtmfsrc->event_queue); g_async_queue_unref (dtmfsrc->event_queue);
return;
} }
} else if (dtmfsrc->last_event->packet_count * dtmfsrc->interval >= } else if (dtmfsrc->last_event->packet_count * dtmfsrc->interval >=
MIN_DUTY_CYCLE) { MIN_DUTY_CYCLE) {
@ -806,6 +688,7 @@ gst_dtmf_src_push_next_tone_packet (GstDTMFSrc *dtmfsrc)
gst_dtmf_src_set_stream_lock (dtmfsrc, FALSE); gst_dtmf_src_set_stream_lock (dtmfsrc, FALSE);
g_free (dtmfsrc->last_event); g_free (dtmfsrc->last_event);
dtmfsrc->last_event = NULL; dtmfsrc->last_event = NULL;
goto start;
} }
} }
} }
@ -814,19 +697,16 @@ gst_dtmf_src_push_next_tone_packet (GstDTMFSrc *dtmfsrc)
if (dtmfsrc->last_event) { if (dtmfsrc->last_event) {
buf = gst_dtmf_src_create_next_tone_packet (dtmfsrc, dtmfsrc->last_event); buf = gst_dtmf_src_create_next_tone_packet (dtmfsrc, dtmfsrc->last_event);
gst_buffer_ref(buf); GST_DEBUG_OBJECT (dtmfsrc, "Created buffer of size %d", GST_BUFFER_SIZE (buf));
*buffer = buf;
GST_DEBUG_OBJECT (dtmfsrc, ret = GST_FLOW_OK;
"pushing buffer on src pad of size %d", GST_BUFFER_SIZE (buf)); } else {
ret = gst_pad_push (dtmfsrc->srcpad, buf); *buffer = NULL;
if (ret != GST_FLOW_OK) { ret = GST_FLOW_WRONG_STATE;
GST_ERROR_OBJECT (dtmfsrc, "Failed to push buffer on src pad");
}
gst_buffer_unref(buf);
GST_DEBUG_OBJECT (dtmfsrc, "pushed DTMF tone on src pad");
} }
return ret;
} }
static GstStateChangeReturn static GstStateChangeReturn
@ -838,23 +718,6 @@ gst_dtmf_src_change_state (GstElement * element, GstStateChange transition)
dtmfsrc = GST_DTMF_SRC (element); dtmfsrc = GST_DTMF_SRC (element);
switch (transition) {
case GST_STATE_CHANGE_READY_TO_PAUSED:
gst_segment_init (&dtmfsrc->segment, GST_FORMAT_TIME);
gst_pad_push_event (dtmfsrc->srcpad, gst_event_new_new_segment (FALSE,
dtmfsrc->segment.rate, dtmfsrc->segment.format,
dtmfsrc->segment.start, dtmfsrc->segment.stop,
dtmfsrc->segment.time));
/* Indicate that we don't do PRE_ROLL */
no_preroll = TRUE;
break;
case GST_STATE_CHANGE_PAUSED_TO_PLAYING:
gst_dtmf_src_start (dtmfsrc);
break;
default:
break;
}
if ((result = if ((result =
GST_ELEMENT_CLASS (parent_class)->change_state (element, GST_ELEMENT_CLASS (parent_class)->change_state (element,
transition)) == GST_STATE_CHANGE_FAILURE) transition)) == GST_STATE_CHANGE_FAILURE)
@ -862,10 +725,30 @@ gst_dtmf_src_change_state (GstElement * element, GstStateChange transition)
switch (transition) { switch (transition) {
case GST_STATE_CHANGE_PLAYING_TO_PAUSED: case GST_STATE_CHANGE_PLAYING_TO_PAUSED:
/* Indicate that we don't do PRE_ROLL */ {
gst_dtmf_src_stop (dtmfsrc); GstDTMFSrcEvent *event = NULL;
no_preroll = TRUE;
break; /* TODO lock the element */
if (dtmfsrc->last_event) {
/* Don't forget to release the stream lock */
gst_dtmf_src_set_stream_lock (dtmfsrc, FALSE);
g_free (dtmfsrc->last_event);
dtmfsrc->last_event = NULL;
}
/* Flushing the event queue */
event = g_async_queue_try_pop (dtmfsrc->event_queue);
while (event != NULL) {
g_free (event);
event = g_async_queue_try_pop (dtmfsrc->event_queue);
}
/* Indicate that we don't do PRE_ROLL */
no_preroll = TRUE;
break;
}
default: default:
break; break;
} }

7
gst/dtmf/gstdtmfsrc.h
View file

@ -29,6 +29,7 @@
#include <gst/gst.h> #include <gst/gst.h>
#include <gst/gstbuffer.h> #include <gst/gstbuffer.h>
#include <gst/base/gstbasesrc.h>
G_BEGIN_DECLS G_BEGIN_DECLS
@ -69,9 +70,7 @@ struct _GstDTMFSrcEvent {
typedef struct _GstDTMFSrcEvent GstDTMFSrcEvent; typedef struct _GstDTMFSrcEvent GstDTMFSrcEvent;
struct _GstDTMFSrc { struct _GstDTMFSrc {
GstElement element; GstBaseSrc parent;
GstPad *srcpad;
GstSegment segment;
GAsyncQueue* event_queue; GAsyncQueue* event_queue;
GstDTMFSrcEvent* last_event; GstDTMFSrcEvent* last_event;
GstClockID clock_id; GstClockID clock_id;
@ -83,7 +82,7 @@ struct _GstDTMFSrc {
struct _GstDTMFSrcClass { struct _GstDTMFSrcClass {
GstElementClass parent_class; GstBaseSrcClass parent_class;
}; };
GType gst_dtmf_src_get_type (void); GType gst_dtmf_src_get_type (void);