static void
gst_rtp_ssrc_demux_init (GstRtpSsrcDemux * demux)
{
GstElementClass *klass = GST_ELEMENT_GET_CLASS (demux);
demux->rtp_sink =
gst_pad_new_from_template (gst_element_class_get_pad_template (klass,
"sink"), "sink");
gst_pad_set_chain_function (demux->rtp_sink, gst_rtp_ssrc_demux_chain);
gst_pad_set_event_function (demux->rtp_sink, gst_rtp_ssrc_demux_sink_event);
gst_pad_set_iterate_internal_links_function (demux->rtp_sink,
gst_rtp_ssrc_demux_iterate_internal_links_sink);
gst_element_add_pad (GST_ELEMENT_CAST (demux), demux->rtp_sink);
demux->rtcp_sink =
gst_pad_new_from_template (gst_element_class_get_pad_template (klass,
"rtcp_sink"), "rtcp_sink");
gst_pad_set_chain_function (demux->rtcp_sink, gst_rtp_ssrc_demux_rtcp_chain);
gst_pad_set_event_function (demux->rtcp_sink, gst_rtp_ssrc_demux_sink_event);
gst_pad_set_iterate_internal_links_function (demux->rtcp_sink,
gst_rtp_ssrc_demux_iterate_internal_links_sink);
gst_element_add_pad (GST_ELEMENT_CAST (demux), demux->rtcp_sink);
g_rec_mutex_init (&demux->padlock);
}
static void
gst_cc_extractor_init (GstCCExtractor * filter)
{
filter->sinkpad = gst_pad_new_from_static_template (&sinktemplate, "sink");
gst_pad_set_event_function (filter->sinkpad,
GST_DEBUG_FUNCPTR (gst_cc_extractor_sink_event));
gst_pad_set_chain_function (filter->sinkpad,
GST_DEBUG_FUNCPTR (gst_cc_extractor_chain));
gst_pad_set_iterate_internal_links_function (filter->sinkpad,
GST_DEBUG_FUNCPTR (gst_cc_extractor_iterate_internal_links));
GST_PAD_SET_PROXY_CAPS (filter->sinkpad);
GST_PAD_SET_PROXY_ALLOCATION (filter->sinkpad);
GST_PAD_SET_PROXY_SCHEDULING (filter->sinkpad);
filter->srcpad = gst_pad_new_from_static_template (&srctemplate, "src");
gst_pad_set_iterate_internal_links_function (filter->srcpad,
GST_DEBUG_FUNCPTR (gst_cc_extractor_iterate_internal_links));
GST_PAD_SET_PROXY_CAPS (filter->srcpad);
GST_PAD_SET_PROXY_ALLOCATION (filter->srcpad);
GST_PAD_SET_PROXY_SCHEDULING (filter->srcpad);
gst_element_add_pad (GST_ELEMENT (filter), filter->sinkpad);
gst_element_add_pad (GST_ELEMENT (filter), filter->srcpad);
filter->combiner = gst_flow_combiner_new ();
gst_cc_extractor_reset (filter);
}
static void
gst_auto_convert_init (GstAutoConvert * autoconvert)
{
autoconvert->sinkpad =
gst_pad_new_from_static_template (&sinktemplate, "sink");
autoconvert->srcpad = gst_pad_new_from_static_template (&srctemplate, "src");
gst_pad_set_chain_function (autoconvert->sinkpad,
GST_DEBUG_FUNCPTR (gst_auto_convert_sink_chain));
gst_pad_set_chain_list_function (autoconvert->sinkpad,
GST_DEBUG_FUNCPTR (gst_auto_convert_sink_chain_list));
gst_pad_set_event_function (autoconvert->sinkpad,
GST_DEBUG_FUNCPTR (gst_auto_convert_sink_event));
gst_pad_set_query_function (autoconvert->sinkpad,
GST_DEBUG_FUNCPTR (gst_auto_convert_sink_query));
gst_pad_set_iterate_internal_links_function (autoconvert->sinkpad,
GST_DEBUG_FUNCPTR (gst_auto_convert_iterate_internal_links));
gst_pad_set_event_function (autoconvert->srcpad,
GST_DEBUG_FUNCPTR (gst_auto_convert_src_event));
gst_pad_set_query_function (autoconvert->srcpad,
GST_DEBUG_FUNCPTR (gst_auto_convert_src_query));
gst_pad_set_iterate_internal_links_function (autoconvert->sinkpad,
GST_DEBUG_FUNCPTR (gst_auto_convert_iterate_internal_links));
gst_element_add_pad (GST_ELEMENT (autoconvert), autoconvert->sinkpad);
gst_element_add_pad (GST_ELEMENT (autoconvert), autoconvert->srcpad);
}
static void
gst_timecodewait_init (GstTimeCodeWait * self)
{
self->asinkpad =
gst_pad_new_from_static_template (&audio_sink_template, "asink");
gst_pad_set_chain_function (self->asinkpad,
GST_DEBUG_FUNCPTR (gst_timecodewait_asink_chain));
gst_pad_set_event_function (self->asinkpad,
GST_DEBUG_FUNCPTR (gst_timecodewait_asink_event));
gst_pad_set_iterate_internal_links_function (self->asinkpad,
GST_DEBUG_FUNCPTR (gst_timecodewait_iterate_internal_links));
gst_element_add_pad (GST_ELEMENT (self), self->asinkpad);
self->vsinkpad =
gst_pad_new_from_static_template (&video_sink_template, "vsink");
gst_pad_set_chain_function (self->vsinkpad,
GST_DEBUG_FUNCPTR (gst_timecodewait_vsink_chain));
gst_pad_set_event_function (self->vsinkpad,
GST_DEBUG_FUNCPTR (gst_timecodewait_vsink_event));
gst_pad_set_iterate_internal_links_function (self->vsinkpad,
GST_DEBUG_FUNCPTR (gst_timecodewait_iterate_internal_links));
gst_element_add_pad (GST_ELEMENT (self), self->vsinkpad);
self->asrcpad =
gst_pad_new_from_static_template (&audio_src_template, "asrc");
gst_pad_set_iterate_internal_links_function (self->asrcpad,
GST_DEBUG_FUNCPTR (gst_timecodewait_iterate_internal_links));
gst_element_add_pad (GST_ELEMENT (self), self->asrcpad);
self->vsrcpad =
gst_pad_new_from_static_template (&video_src_template, "vsrc");
gst_pad_set_iterate_internal_links_function (self->vsrcpad,
GST_DEBUG_FUNCPTR (gst_timecodewait_iterate_internal_links));
gst_element_add_pad (GST_ELEMENT (self), self->vsrcpad);
GST_PAD_SET_PROXY_CAPS (self->asinkpad);
GST_PAD_SET_PROXY_ALLOCATION (self->asinkpad);
GST_PAD_SET_PROXY_CAPS (self->asrcpad);
GST_PAD_SET_PROXY_SCHEDULING (self->asrcpad);
GST_PAD_SET_PROXY_CAPS (self->vsinkpad);
GST_PAD_SET_PROXY_ALLOCATION (self->vsinkpad);
GST_PAD_SET_PROXY_CAPS (self->vsrcpad);
GST_PAD_SET_PROXY_SCHEDULING (self->vsrcpad);
self->running_time_of_timecode = GST_CLOCK_TIME_NONE;
self->video_eos_flag = FALSE;
self->audio_flush_flag = FALSE;
self->shutdown_flag = FALSE;
self->from_string = FALSE;
self->tc = gst_video_time_code_new_empty ();
g_mutex_init (&self->mutex);
g_cond_init (&self->cond);
}
/* initialize the new element
* instantiate pads and add them to element
* set pad calback functions
* initialize instance structure
*/
static void
gst_srtp_dec_init (GstSrtpDec * filter)
{
filter->replay_window_size = DEFAULT_REPLAY_WINDOW_SIZE;
filter->rtp_sinkpad =
gst_pad_new_from_static_template (&rtp_sink_template, "rtp_sink");
gst_pad_set_event_function (filter->rtp_sinkpad,
GST_DEBUG_FUNCPTR (gst_srtp_dec_sink_event_rtp));
gst_pad_set_query_function (filter->rtp_sinkpad,
GST_DEBUG_FUNCPTR (gst_srtp_dec_sink_query_rtp));
gst_pad_set_iterate_internal_links_function (filter->rtp_sinkpad,
GST_DEBUG_FUNCPTR (gst_srtp_dec_iterate_internal_links_rtp));
gst_pad_set_chain_function (filter->rtp_sinkpad,
GST_DEBUG_FUNCPTR (gst_srtp_dec_chain_rtp));
filter->rtp_srcpad =
gst_pad_new_from_static_template (&rtp_src_template, "rtp_src");
gst_pad_set_iterate_internal_links_function (filter->rtp_srcpad,
GST_DEBUG_FUNCPTR (gst_srtp_dec_iterate_internal_links_rtp));
gst_pad_set_element_private (filter->rtp_sinkpad, filter->rtp_srcpad);
gst_pad_set_element_private (filter->rtp_srcpad, filter->rtp_sinkpad);
gst_element_add_pad (GST_ELEMENT (filter), filter->rtp_sinkpad);
gst_element_add_pad (GST_ELEMENT (filter), filter->rtp_srcpad);
filter->rtcp_sinkpad =
gst_pad_new_from_static_template (&rtcp_sink_template, "rtcp_sink");
gst_pad_set_event_function (filter->rtcp_sinkpad,
GST_DEBUG_FUNCPTR (gst_srtp_dec_sink_event_rtcp));
gst_pad_set_query_function (filter->rtcp_sinkpad,
GST_DEBUG_FUNCPTR (gst_srtp_dec_sink_query_rtcp));
gst_pad_set_iterate_internal_links_function (filter->rtcp_sinkpad,
GST_DEBUG_FUNCPTR (gst_srtp_dec_iterate_internal_links_rtcp));
gst_pad_set_chain_function (filter->rtcp_sinkpad,
GST_DEBUG_FUNCPTR (gst_srtp_dec_chain_rtcp));
filter->rtcp_srcpad =
gst_pad_new_from_static_template (&rtcp_src_template, "rtcp_src");
gst_pad_set_iterate_internal_links_function (filter->rtcp_srcpad,
GST_DEBUG_FUNCPTR (gst_srtp_dec_iterate_internal_links_rtcp));
gst_pad_set_element_private (filter->rtcp_sinkpad, filter->rtcp_srcpad);
gst_pad_set_element_private (filter->rtcp_srcpad, filter->rtcp_sinkpad);
gst_element_add_pad (GST_ELEMENT (filter), filter->rtcp_sinkpad);
gst_element_add_pad (GST_ELEMENT (filter), filter->rtcp_srcpad);
filter->first_session = TRUE;
filter->roc_changed = FALSE;
}
static void
gst_proxy_pad_init (GstProxyPad * ppad)
{
GstPad *pad = (GstPad *) ppad;
GST_PROXY_PAD_PRIVATE (ppad) = G_TYPE_INSTANCE_GET_PRIVATE (ppad,
GST_TYPE_PROXY_PAD, GstProxyPadPrivate);
GST_PROXY_GET_LOCK (pad) = g_mutex_new ();
gst_pad_set_query_type_function (pad,
GST_DEBUG_FUNCPTR (gst_proxy_pad_do_query_type));
gst_pad_set_event_function (pad, GST_DEBUG_FUNCPTR (gst_proxy_pad_do_event));
gst_pad_set_query_function (pad, GST_DEBUG_FUNCPTR (gst_proxy_pad_do_query));
gst_pad_set_internal_link_function (pad,
GST_DEBUG_FUNCPTR (gst_proxy_pad_do_internal_link));
gst_pad_set_iterate_internal_links_function (pad,
GST_DEBUG_FUNCPTR (gst_proxy_pad_do_iterate_internal_links));
gst_pad_set_getcaps_function (pad,
GST_DEBUG_FUNCPTR (gst_proxy_pad_do_getcaps));
gst_pad_set_acceptcaps_function (pad,
GST_DEBUG_FUNCPTR (gst_proxy_pad_do_acceptcaps));
gst_pad_set_fixatecaps_function (pad,
GST_DEBUG_FUNCPTR (gst_proxy_pad_do_fixatecaps));
gst_pad_set_setcaps_function (pad,
GST_DEBUG_FUNCPTR (gst_proxy_pad_do_setcaps));
}
static GstPad *
rsn_stream_selector_request_new_pad (GstElement * element,
GstPadTemplate * templ, const gchar * unused)
{
RsnStreamSelector *sel;
gchar *name = NULL;
GstPad *sinkpad = NULL;
sel = RSN_STREAM_SELECTOR (element);
g_return_val_if_fail (templ->direction == GST_PAD_SINK, NULL);
GST_LOG_OBJECT (sel, "Creating new pad %d", sel->padcount);
GST_OBJECT_LOCK (sel);
name = g_strdup_printf ("sink%d", sel->padcount++);
sinkpad = g_object_new (RSN_TYPE_SELECTOR_PAD,
"name", name, "direction", templ->direction, "template", templ, NULL);
g_free (name);
sel->n_pads++;
GST_OBJECT_UNLOCK (sel);
gst_pad_set_event_function (sinkpad,
GST_DEBUG_FUNCPTR (gst_selector_pad_event));
gst_pad_set_getcaps_function (sinkpad,
GST_DEBUG_FUNCPTR (gst_selector_pad_getcaps));
gst_pad_set_chain_function (sinkpad,
GST_DEBUG_FUNCPTR (gst_selector_pad_chain));
gst_pad_set_iterate_internal_links_function (sinkpad,
GST_DEBUG_FUNCPTR (rsn_stream_selector_iterate_linked_pads));
gst_pad_set_bufferalloc_function (sinkpad,
GST_DEBUG_FUNCPTR (gst_selector_pad_bufferalloc));
gst_pad_set_active (sinkpad, TRUE);
gst_element_add_pad (GST_ELEMENT (sel), sinkpad);
return sinkpad;
}
static void
gst_proxy_pad_init (GstProxyPad * ppad)
{
GstPad *pad = (GstPad *) ppad;
GST_PROXY_PAD_PRIVATE (ppad) = gst_proxy_pad_get_instance_private (ppad);
gst_pad_set_iterate_internal_links_function (pad,
gst_proxy_pad_iterate_internal_links_default);
GST_PAD_SET_PROXY_CAPS (pad);
GST_PAD_SET_PROXY_SCHEDULING (pad);
GST_PAD_SET_PROXY_ALLOCATION (pad);
}
static void
rsn_stream_selector_init (RsnStreamSelector * sel)
{
sel->srcpad = gst_pad_new ("src", GST_PAD_SRC);
gst_pad_set_iterate_internal_links_function (sel->srcpad,
GST_DEBUG_FUNCPTR (rsn_stream_selector_iterate_linked_pads));
gst_pad_set_getcaps_function (sel->srcpad,
GST_DEBUG_FUNCPTR (rsn_stream_selector_getcaps));
gst_element_add_pad (GST_ELEMENT (sel), sel->srcpad);
/* sinkpad management */
sel->padcount = 0;
sel->active_sinkpad = NULL;
gst_segment_init (&sel->segment, GST_FORMAT_UNDEFINED);
}
static void
gst_proxy_pad_init (GstProxyPad * ppad)
{
GstPad *pad = (GstPad *) ppad;
GST_PROXY_PAD_PRIVATE (ppad) = G_TYPE_INSTANCE_GET_PRIVATE (ppad,
GST_TYPE_PROXY_PAD, GstProxyPadPrivate);
gst_pad_set_iterate_internal_links_function (pad,
gst_proxy_pad_iterate_internal_links_default);
GST_PAD_SET_PROXY_CAPS (pad);
GST_PAD_SET_PROXY_SCHEDULING (pad);
GST_PAD_SET_PROXY_ALLOCATION (pad);
}
static void
gst_input_selector_init (GstInputSelector * sel)
{
sel->srcpad = gst_pad_new ("src", GST_PAD_SRC);
gst_pad_set_iterate_internal_links_function (sel->srcpad,
GST_DEBUG_FUNCPTR (gst_selector_pad_iterate_linked_pads));
gst_pad_set_getcaps_function (sel->srcpad,
GST_DEBUG_FUNCPTR (gst_input_selector_getcaps));
gst_pad_set_query_function (sel->srcpad,
GST_DEBUG_FUNCPTR (gst_input_selector_query));
gst_pad_set_event_function (sel->srcpad,
GST_DEBUG_FUNCPTR (gst_input_selector_event));
gst_element_add_pad (GST_ELEMENT (sel), sel->srcpad);
/* sinkpad management */
sel->active_sinkpad = NULL;
sel->padcount = 0;
gst_segment_init (&sel->segment, GST_FORMAT_UNDEFINED);
sel->lock = g_mutex_new ();
sel->cond = g_cond_new ();
sel->blocked = FALSE;
sel->select_all = FALSE;
}
static void
gst_decklink_sink_init (GstDecklinkSink * decklinksink,
GstDecklinkSinkClass * decklinksink_class)
{
decklinksink->videosinkpad =
gst_pad_new_from_static_template (&gst_decklink_sink_videosink_template,
"sink");
gst_pad_set_getcaps_function (decklinksink->videosinkpad,
GST_DEBUG_FUNCPTR (gst_decklink_sink_videosink_getcaps));
gst_pad_set_setcaps_function (decklinksink->videosinkpad,
GST_DEBUG_FUNCPTR (gst_decklink_sink_videosink_setcaps));
gst_pad_set_acceptcaps_function (decklinksink->videosinkpad,
GST_DEBUG_FUNCPTR (gst_decklink_sink_videosink_acceptcaps));
gst_pad_set_activate_function (decklinksink->videosinkpad,
GST_DEBUG_FUNCPTR (gst_decklink_sink_videosink_activate));
gst_pad_set_activatepush_function (decklinksink->videosinkpad,
GST_DEBUG_FUNCPTR (gst_decklink_sink_videosink_activatepush));
gst_pad_set_activatepull_function (decklinksink->videosinkpad,
GST_DEBUG_FUNCPTR (gst_decklink_sink_videosink_activatepull));
gst_pad_set_link_function (decklinksink->videosinkpad,
GST_DEBUG_FUNCPTR (gst_decklink_sink_videosink_link));
gst_pad_set_chain_function (decklinksink->videosinkpad,
GST_DEBUG_FUNCPTR (gst_decklink_sink_videosink_chain));
gst_pad_set_chain_list_function (decklinksink->videosinkpad,
GST_DEBUG_FUNCPTR (gst_decklink_sink_videosink_chainlist));
gst_pad_set_event_function (decklinksink->videosinkpad,
GST_DEBUG_FUNCPTR (gst_decklink_sink_videosink_event));
gst_pad_set_query_function (decklinksink->videosinkpad,
GST_DEBUG_FUNCPTR (gst_decklink_sink_videosink_query));
gst_pad_set_bufferalloc_function (decklinksink->videosinkpad,
GST_DEBUG_FUNCPTR (gst_decklink_sink_videosink_bufferalloc));
gst_pad_set_iterate_internal_links_function (decklinksink->videosinkpad,
GST_DEBUG_FUNCPTR (gst_decklink_sink_videosink_iterintlink));
gst_element_add_pad (GST_ELEMENT (decklinksink), decklinksink->videosinkpad);
decklinksink->audiosinkpad =
gst_pad_new_from_static_template (&gst_decklink_sink_audiosink_template,
"audiosink");
gst_pad_set_getcaps_function (decklinksink->audiosinkpad,
GST_DEBUG_FUNCPTR (gst_decklink_sink_audiosink_getcaps));
gst_pad_set_setcaps_function (decklinksink->audiosinkpad,
GST_DEBUG_FUNCPTR (gst_decklink_sink_audiosink_setcaps));
gst_pad_set_acceptcaps_function (decklinksink->audiosinkpad,
GST_DEBUG_FUNCPTR (gst_decklink_sink_audiosink_acceptcaps));
gst_pad_set_activate_function (decklinksink->audiosinkpad,
GST_DEBUG_FUNCPTR (gst_decklink_sink_audiosink_activate));
gst_pad_set_activatepush_function (decklinksink->audiosinkpad,
GST_DEBUG_FUNCPTR (gst_decklink_sink_audiosink_activatepush));
gst_pad_set_activatepull_function (decklinksink->audiosinkpad,
GST_DEBUG_FUNCPTR (gst_decklink_sink_audiosink_activatepull));
gst_pad_set_link_function (decklinksink->audiosinkpad,
GST_DEBUG_FUNCPTR (gst_decklink_sink_audiosink_link));
gst_pad_set_chain_function (decklinksink->audiosinkpad,
GST_DEBUG_FUNCPTR (gst_decklink_sink_audiosink_chain));
gst_pad_set_chain_list_function (decklinksink->audiosinkpad,
GST_DEBUG_FUNCPTR (gst_decklink_sink_audiosink_chainlist));
gst_pad_set_event_function (decklinksink->audiosinkpad,
GST_DEBUG_FUNCPTR (gst_decklink_sink_audiosink_event));
gst_pad_set_query_function (decklinksink->audiosinkpad,
GST_DEBUG_FUNCPTR (gst_decklink_sink_audiosink_query));
gst_pad_set_bufferalloc_function (decklinksink->audiosinkpad,
GST_DEBUG_FUNCPTR (gst_decklink_sink_audiosink_bufferalloc));
gst_pad_set_iterate_internal_links_function (decklinksink->audiosinkpad,
GST_DEBUG_FUNCPTR (gst_decklink_sink_audiosink_iterintlink));
gst_element_add_pad (GST_ELEMENT (decklinksink), decklinksink->audiosinkpad);
decklinksink->cond = g_cond_new ();
decklinksink->mutex = g_mutex_new ();
decklinksink->audio_mutex = g_mutex_new ();
decklinksink->mode = GST_DECKLINK_MODE_NTSC;
decklinksink->callback = new Output;
decklinksink->callback->decklinksink = decklinksink;
#ifdef _MSC_VER
decklinksink->com_init_lock = g_mutex_new();
decklinksink->com_deinit_lock = g_mutex_new();
decklinksink->com_initialized = g_cond_new();
decklinksink->com_uninitialize = g_cond_new();
decklinksink->com_uninitialized = g_cond_new();
g_mutex_lock (decklinksink->com_init_lock);
/* create the COM initialization thread */
g_thread_create ((GThreadFunc)gst_decklink_sink_com_thread,
decklinksink, FALSE, NULL);
/* wait until the COM thread signals that COM has been initialized */
g_cond_wait (decklinksink->com_initialized, decklinksink->com_init_lock);
g_mutex_unlock (decklinksink->com_init_lock);
#endif /* _MSC_VER */
}
static GstFlowReturn
gst_cc_extractor_handle_meta (GstCCExtractor * filter, GstBuffer * buf,
GstVideoCaptionMeta * meta)
{
GstBuffer *outbuf = NULL;
GstEvent *event;
gchar *captionid;
GstFlowReturn flow;
GST_DEBUG_OBJECT (filter, "Handling meta");
/* Check if the meta type matches the configured one */
if (filter->captionpad != NULL && meta->caption_type != filter->caption_type) {
GST_ERROR_OBJECT (filter,
"GstVideoCaptionMeta type changed, Not handled currently");
flow = GST_FLOW_NOT_NEGOTIATED;
goto out;
}
if (filter->captionpad == NULL) {
GstCaps *caption_caps = NULL;
GstEvent *stream_event;
GST_DEBUG_OBJECT (filter, "Creating new caption pad");
switch (meta->caption_type) {
case GST_VIDEO_CAPTION_TYPE_CEA608_RAW:
caption_caps =
gst_caps_from_string ("closedcaption/x-cea-608,format=(string)raw");
break;
case GST_VIDEO_CAPTION_TYPE_CEA608_IN_CEA708_RAW:
caption_caps =
gst_caps_from_string
("closedcaption/x-cea-608,format=(string)cc_data");
break;
case GST_VIDEO_CAPTION_TYPE_CEA708_RAW:
caption_caps =
gst_caps_from_string
("closedcaption/x-cea-708,format=(string)cc_data");
break;
case GST_VIDEO_CAPTION_TYPE_CEA708_CDP:
caption_caps =
gst_caps_from_string ("closedcaption/x-cea-708,format=(string)cdp");
break;
default:
break;
}
if (caption_caps == NULL) {
GST_ERROR_OBJECT (filter, "Unknown/invalid caption type");
return GST_FLOW_NOT_NEGOTIATED;
}
/* Create the caption pad and set the caps */
filter->captionpad =
gst_pad_new_from_static_template (&captiontemplate, "caption");
gst_pad_set_iterate_internal_links_function (filter->sinkpad,
GST_DEBUG_FUNCPTR (gst_cc_extractor_iterate_internal_links));
gst_pad_set_active (filter->captionpad, TRUE);
gst_element_add_pad (GST_ELEMENT (filter), filter->captionpad);
gst_flow_combiner_add_pad (filter->combiner, filter->captionpad);
captionid =
gst_pad_create_stream_id (filter->captionpad, (GstElement *) filter,
"caption");
stream_event = gst_event_new_stream_start (captionid);
g_free (captionid);
/* FIXME : Create a proper stream-id */
if ((event =
gst_pad_get_sticky_event (filter->srcpad, GST_EVENT_STREAM_START,
0))) {
guint group_id;
if (gst_event_parse_group_id (event, &group_id))
gst_event_set_group_id (stream_event, group_id);
gst_event_unref (event);
}
gst_pad_push_event (filter->captionpad, stream_event);
gst_pad_set_caps (filter->captionpad, caption_caps);
gst_caps_unref (caption_caps);
/* Carry over sticky events */
if ((event =
gst_pad_get_sticky_event (filter->srcpad, GST_EVENT_SEGMENT, 0)))
gst_pad_push_event (filter->captionpad, event);
if ((event = gst_pad_get_sticky_event (filter->srcpad, GST_EVENT_TAG, 0)))
gst_pad_push_event (filter->captionpad, event);
filter->caption_type = meta->caption_type;
}
GST_DEBUG_OBJECT (filter,
"Creating new buffer of size %" G_GSIZE_FORMAT " bytes", meta->size);
/* Extract caption data into new buffer with identical buffer timestamps */
outbuf = gst_buffer_new_allocate (NULL, meta->size, NULL);
gst_buffer_fill (outbuf, 0, meta->data, meta->size);
GST_BUFFER_PTS (outbuf) = GST_BUFFER_PTS (buf);
GST_BUFFER_DTS (outbuf) = GST_BUFFER_DTS (buf);
GST_BUFFER_DURATION (outbuf) = GST_BUFFER_DURATION (buf);
/* We don't really care about the flow return */
flow = gst_pad_push (filter->captionpad, outbuf);
out:
/* Set flow return on pad and return combined value */
return gst_flow_combiner_update_pad_flow (filter->combiner,
filter->captionpad, flow);
}
static GstPad *
find_or_create_demux_pad_for_ssrc (GstRtpSsrcDemux * demux, guint32 ssrc,
PadType padtype)
{
GstPad *rtp_pad, *rtcp_pad;
GstElementClass *klass;
GstPadTemplate *templ;
gchar *padname;
GstRtpSsrcDemuxPad *demuxpad;
GstPad *retpad;
gulong rtp_block, rtcp_block;
GST_PAD_LOCK (demux);
demuxpad = find_demux_pad_for_ssrc (demux, ssrc);
if (demuxpad != NULL) {
gboolean forward = FALSE;
switch (padtype) {
case RTP_PAD:
retpad = gst_object_ref (demuxpad->rtp_pad);
if (!demuxpad->pushed_initial_rtp_events) {
forward = TRUE;
demuxpad->pushed_initial_rtp_events = TRUE;
}
break;
case RTCP_PAD:
retpad = gst_object_ref (demuxpad->rtcp_pad);
if (!demuxpad->pushed_initial_rtcp_events) {
forward = TRUE;
demuxpad->pushed_initial_rtcp_events = TRUE;
}
break;
default:
retpad = NULL;
g_assert_not_reached ();
}
GST_PAD_UNLOCK (demux);
if (forward)
forward_initial_events (demux, ssrc, retpad, padtype);
return retpad;
}
GST_DEBUG_OBJECT (demux, "creating new pad for SSRC %08x", ssrc);
klass = GST_ELEMENT_GET_CLASS (demux);
templ = gst_element_class_get_pad_template (klass, "src_%u");
padname = g_strdup_printf ("src_%u", ssrc);
rtp_pad = gst_pad_new_from_template (templ, padname);
g_free (padname);
templ = gst_element_class_get_pad_template (klass, "rtcp_src_%u");
padname = g_strdup_printf ("rtcp_src_%u", ssrc);
rtcp_pad = gst_pad_new_from_template (templ, padname);
g_free (padname);
/* wrap in structure and add to list */
demuxpad = g_new0 (GstRtpSsrcDemuxPad, 1);
demuxpad->ssrc = ssrc;
demuxpad->rtp_pad = rtp_pad;
demuxpad->rtcp_pad = rtcp_pad;
gst_pad_set_element_private (rtp_pad, demuxpad);
gst_pad_set_element_private (rtcp_pad, demuxpad);
demux->srcpads = g_slist_prepend (demux->srcpads, demuxpad);
gst_pad_set_query_function (rtp_pad, gst_rtp_ssrc_demux_src_query);
gst_pad_set_iterate_internal_links_function (rtp_pad,
gst_rtp_ssrc_demux_iterate_internal_links_src);
gst_pad_set_event_function (rtp_pad, gst_rtp_ssrc_demux_src_event);
gst_pad_use_fixed_caps (rtp_pad);
gst_pad_set_active (rtp_pad, TRUE);
gst_pad_set_event_function (rtcp_pad, gst_rtp_ssrc_demux_src_event);
gst_pad_set_iterate_internal_links_function (rtcp_pad,
gst_rtp_ssrc_demux_iterate_internal_links_src);
gst_pad_use_fixed_caps (rtcp_pad);
gst_pad_set_active (rtcp_pad, TRUE);
if (padtype == RTP_PAD) {
demuxpad->pushed_initial_rtp_events = TRUE;
forward_initial_events (demux, ssrc, rtp_pad, padtype);
} else if (padtype == RTCP_PAD) {
demuxpad->pushed_initial_rtcp_events = TRUE;
forward_initial_events (demux, ssrc, rtcp_pad, padtype);
} else {
g_assert_not_reached ();
}
gst_element_add_pad (GST_ELEMENT_CAST (demux), rtp_pad);
gst_element_add_pad (GST_ELEMENT_CAST (demux), rtcp_pad);
switch (padtype) {
case RTP_PAD:
retpad = gst_object_ref (demuxpad->rtp_pad);
break;
case RTCP_PAD:
retpad = gst_object_ref (demuxpad->rtcp_pad);
break;
default:
retpad = NULL;
g_assert_not_reached ();
}
gst_object_ref (rtp_pad);
gst_object_ref (rtcp_pad);
rtp_block = gst_pad_add_probe (rtp_pad, GST_PAD_PROBE_TYPE_BLOCK_DOWNSTREAM,
NULL, NULL, NULL);
rtcp_block = gst_pad_add_probe (rtcp_pad, GST_PAD_PROBE_TYPE_BLOCK_DOWNSTREAM,
NULL, NULL, NULL);
GST_PAD_UNLOCK (demux);
g_signal_emit (G_OBJECT (demux),
gst_rtp_ssrc_demux_signals[SIGNAL_NEW_SSRC_PAD], 0, ssrc, rtp_pad);
gst_pad_remove_probe (rtp_pad, rtp_block);
gst_pad_remove_probe (rtcp_pad, rtcp_block);
gst_object_unref (rtp_pad);
gst_object_unref (rtcp_pad);
return retpad;
}
/* GstElement vfuncs */
static GstPad *
gst_stream_synchronizer_request_new_pad (GstElement * element,
GstPadTemplate * temp, const gchar * name, const GstCaps * caps)
{
GstStreamSynchronizer *self = GST_STREAM_SYNCHRONIZER (element);
GstStream *stream;
gchar *tmp;
GST_STREAM_SYNCHRONIZER_LOCK (self);
GST_DEBUG_OBJECT (self, "Requesting new pad for stream %d",
self->current_stream_number);
stream = g_slice_new0 (GstStream);
stream->transform = self;
stream->stream_number = self->current_stream_number;
g_cond_init (&stream->stream_finish_cond);
stream->stream_start_seqnum = G_MAXUINT32;
stream->segment_seqnum = G_MAXUINT32;
tmp = g_strdup_printf ("sink_%u", self->current_stream_number);
stream->sinkpad = gst_pad_new_from_static_template (&sinktemplate, tmp);
g_free (tmp);
gst_pad_set_element_private (stream->sinkpad, stream);
gst_pad_set_iterate_internal_links_function (stream->sinkpad,
GST_DEBUG_FUNCPTR (gst_stream_synchronizer_iterate_internal_links));
gst_pad_set_query_function (stream->sinkpad,
GST_DEBUG_FUNCPTR (gst_stream_synchronizer_query));
gst_pad_set_event_function (stream->sinkpad,
GST_DEBUG_FUNCPTR (gst_stream_synchronizer_sink_event));
gst_pad_set_chain_function (stream->sinkpad,
GST_DEBUG_FUNCPTR (gst_stream_synchronizer_sink_chain));
tmp = g_strdup_printf ("src_%u", self->current_stream_number);
stream->srcpad = gst_pad_new_from_static_template (&srctemplate, tmp);
g_free (tmp);
gst_pad_set_element_private (stream->srcpad, stream);
gst_pad_set_iterate_internal_links_function (stream->srcpad,
GST_DEBUG_FUNCPTR (gst_stream_synchronizer_iterate_internal_links));
gst_pad_set_query_function (stream->srcpad,
GST_DEBUG_FUNCPTR (gst_stream_synchronizer_query));
gst_pad_set_event_function (stream->srcpad,
GST_DEBUG_FUNCPTR (gst_stream_synchronizer_src_event));
gst_segment_init (&stream->segment, GST_FORMAT_UNDEFINED);
self->streams = g_list_prepend (self->streams, stream);
self->current_stream_number++;
GST_STREAM_SYNCHRONIZER_UNLOCK (self);
/* Add pads and activate unless we're going to NULL */
g_rec_mutex_lock (GST_STATE_GET_LOCK (self));
if (GST_STATE_TARGET (self) != GST_STATE_NULL) {
gst_pad_set_active (stream->srcpad, TRUE);
gst_pad_set_active (stream->sinkpad, TRUE);
}
gst_element_add_pad (GST_ELEMENT_CAST (self), stream->srcpad);
gst_element_add_pad (GST_ELEMENT_CAST (self), stream->sinkpad);
g_rec_mutex_unlock (GST_STATE_GET_LOCK (self));
return stream->sinkpad;
}
static void
gst_decklink_src_init (GstDecklinkSrc * decklinksrc,
GstDecklinkSrcClass * decklinksrc_class)
{
g_static_rec_mutex_init (&decklinksrc->task_mutex);
decklinksrc->task = gst_task_create (gst_decklink_src_task, decklinksrc);
gst_task_set_lock (decklinksrc->task, &decklinksrc->task_mutex);
decklinksrc->audiosrcpad =
gst_pad_new_from_static_template (&gst_decklink_src_audio_src_template,
"audiosrc");
gst_pad_set_getcaps_function (decklinksrc->audiosrcpad,
GST_DEBUG_FUNCPTR (gst_decklink_src_audio_src_getcaps));
gst_pad_set_setcaps_function (decklinksrc->audiosrcpad,
GST_DEBUG_FUNCPTR (gst_decklink_src_audio_src_setcaps));
gst_pad_set_acceptcaps_function (decklinksrc->audiosrcpad,
GST_DEBUG_FUNCPTR (gst_decklink_src_audio_src_acceptcaps));
gst_pad_set_fixatecaps_function (decklinksrc->audiosrcpad,
GST_DEBUG_FUNCPTR (gst_decklink_src_audio_src_fixatecaps));
gst_pad_set_activate_function (decklinksrc->audiosrcpad,
GST_DEBUG_FUNCPTR (gst_decklink_src_audio_src_activate));
gst_pad_set_activatepush_function (decklinksrc->audiosrcpad,
GST_DEBUG_FUNCPTR (gst_decklink_src_audio_src_activatepush));
gst_pad_set_activatepull_function (decklinksrc->audiosrcpad,
GST_DEBUG_FUNCPTR (gst_decklink_src_audio_src_activatepull));
gst_pad_set_link_function (decklinksrc->audiosrcpad,
GST_DEBUG_FUNCPTR (gst_decklink_src_audio_src_link));
gst_pad_set_getrange_function (decklinksrc->audiosrcpad,
GST_DEBUG_FUNCPTR (gst_decklink_src_audio_src_getrange));
gst_pad_set_event_function (decklinksrc->audiosrcpad,
GST_DEBUG_FUNCPTR (gst_decklink_src_audio_src_event));
gst_pad_set_query_function (decklinksrc->audiosrcpad,
GST_DEBUG_FUNCPTR (gst_decklink_src_audio_src_query));
gst_pad_set_iterate_internal_links_function (decklinksrc->audiosrcpad,
GST_DEBUG_FUNCPTR (gst_decklink_src_audio_src_iterintlink));
gst_element_add_pad (GST_ELEMENT (decklinksrc), decklinksrc->audiosrcpad);
decklinksrc->videosrcpad =
gst_pad_new_from_template (gst_element_class_get_pad_template
(GST_ELEMENT_CLASS (decklinksrc_class), "videosrc"), "videosrc");
gst_pad_set_getcaps_function (decklinksrc->videosrcpad,
GST_DEBUG_FUNCPTR (gst_decklink_src_video_src_getcaps));
gst_pad_set_setcaps_function (decklinksrc->videosrcpad,
GST_DEBUG_FUNCPTR (gst_decklink_src_video_src_setcaps));
gst_pad_set_acceptcaps_function (decklinksrc->videosrcpad,
GST_DEBUG_FUNCPTR (gst_decklink_src_video_src_acceptcaps));
gst_pad_set_fixatecaps_function (decklinksrc->videosrcpad,
GST_DEBUG_FUNCPTR (gst_decklink_src_video_src_fixatecaps));
gst_pad_set_activate_function (decklinksrc->videosrcpad,
GST_DEBUG_FUNCPTR (gst_decklink_src_video_src_activate));
gst_pad_set_activatepush_function (decklinksrc->videosrcpad,
GST_DEBUG_FUNCPTR (gst_decklink_src_video_src_activatepush));
gst_pad_set_activatepull_function (decklinksrc->videosrcpad,
GST_DEBUG_FUNCPTR (gst_decklink_src_video_src_activatepull));
gst_pad_set_link_function (decklinksrc->videosrcpad,
GST_DEBUG_FUNCPTR (gst_decklink_src_video_src_link));
gst_pad_set_getrange_function (decklinksrc->videosrcpad,
GST_DEBUG_FUNCPTR (gst_decklink_src_video_src_getrange));
gst_pad_set_event_function (decklinksrc->videosrcpad,
GST_DEBUG_FUNCPTR (gst_decklink_src_video_src_event));
gst_pad_set_query_function (decklinksrc->videosrcpad,
GST_DEBUG_FUNCPTR (gst_decklink_src_video_src_query));
gst_pad_set_iterate_internal_links_function (decklinksrc->videosrcpad,
GST_DEBUG_FUNCPTR (gst_decklink_src_video_src_iterintlink));
gst_element_add_pad (GST_ELEMENT (decklinksrc), decklinksrc->videosrcpad);
decklinksrc->cond = g_cond_new ();
decklinksrc->mutex = g_mutex_new ();
decklinksrc->copy_data = TRUE;
decklinksrc->mode = GST_DECKLINK_MODE_NTSC;
decklinksrc->connection = GST_DECKLINK_CONNECTION_SDI;
decklinksrc->audio_connection = GST_DECKLINK_AUDIO_CONNECTION_AUTO;
decklinksrc->subdevice = 0;
decklinksrc->stop = FALSE;
decklinksrc->dropped_frames = 0;
decklinksrc->dropped_frames_old = 0;
decklinksrc->frame_num = -1; /* -1 so will be 0 after incrementing */
#ifdef _MSC_VER
decklinksrc->com_init_lock = g_mutex_new();
decklinksrc->com_deinit_lock = g_mutex_new();
decklinksrc->com_initialized = g_cond_new();
decklinksrc->com_uninitialize = g_cond_new();
decklinksrc->com_uninitialized = g_cond_new();
g_mutex_lock (decklinksrc->com_init_lock);
/* create the COM initialization thread */
g_thread_create ((GThreadFunc)gst_decklink_src_com_thread,
decklinksrc, FALSE, NULL);
/* wait until the COM thread signals that COM has been initialized */
g_cond_wait (decklinksrc->com_initialized, decklinksrc->com_init_lock);
g_mutex_unlock (decklinksrc->com_init_lock);
#endif /* _MSC_VER */
}
/* with PAD_LOCK */
static GstRtpSsrcDemuxPad *
create_demux_pad_for_ssrc (GstRtpSsrcDemux * demux, guint32 ssrc,
GstClockTime timestamp)
{
GstPad *rtp_pad, *rtcp_pad;
GstElementClass *klass;
GstPadTemplate *templ;
gchar *padname;
GstRtpSsrcDemuxPad *demuxpad;
GST_DEBUG_OBJECT (demux, "creating pad for SSRC %08x", ssrc);
klass = GST_ELEMENT_GET_CLASS (demux);
templ = gst_element_class_get_pad_template (klass, "src_%d");
padname = g_strdup_printf ("src_%d", ssrc);
rtp_pad = gst_pad_new_from_template (templ, padname);
g_free (padname);
templ = gst_element_class_get_pad_template (klass, "rtcp_src_%d");
padname = g_strdup_printf ("rtcp_src_%d", ssrc);
rtcp_pad = gst_pad_new_from_template (templ, padname);
g_free (padname);
/* we use the first timestamp received to calculate the difference between
* timestamps on all streams */
GST_DEBUG_OBJECT (demux, "SSRC %08x, first timestamp %" GST_TIME_FORMAT,
ssrc, GST_TIME_ARGS (timestamp));
/* wrap in structure and add to list */
demuxpad = g_new0 (GstRtpSsrcDemuxPad, 1);
demuxpad->ssrc = ssrc;
demuxpad->rtp_pad = rtp_pad;
demuxpad->rtcp_pad = rtcp_pad;
GST_DEBUG_OBJECT (demux, "first timestamp %" GST_TIME_FORMAT,
GST_TIME_ARGS (timestamp));
gst_pad_set_element_private (rtp_pad, demuxpad);
gst_pad_set_element_private (rtcp_pad, demuxpad);
demux->srcpads = g_slist_prepend (demux->srcpads, demuxpad);
/* copy caps from input */
gst_pad_set_caps (rtp_pad, GST_PAD_CAPS (demux->rtp_sink));
gst_pad_use_fixed_caps (rtp_pad);
gst_pad_set_caps (rtcp_pad, GST_PAD_CAPS (demux->rtcp_sink));
gst_pad_use_fixed_caps (rtcp_pad);
gst_pad_set_event_function (rtp_pad, gst_rtp_ssrc_demux_src_event);
gst_pad_set_query_function (rtp_pad, gst_rtp_ssrc_demux_src_query);
gst_pad_set_iterate_internal_links_function (rtp_pad,
gst_rtp_ssrc_demux_iterate_internal_links);
gst_pad_set_active (rtp_pad, TRUE);
gst_pad_set_event_function (rtcp_pad, gst_rtp_ssrc_demux_src_event);
gst_pad_set_iterate_internal_links_function (rtcp_pad,
gst_rtp_ssrc_demux_iterate_internal_links);
gst_pad_set_active (rtcp_pad, TRUE);
gst_element_add_pad (GST_ELEMENT_CAST (demux), rtp_pad);
gst_element_add_pad (GST_ELEMENT_CAST (demux), rtcp_pad);
g_signal_emit (G_OBJECT (demux),
gst_rtp_ssrc_demux_signals[SIGNAL_NEW_SSRC_PAD], 0, ssrc, rtp_pad);
return demuxpad;
}
/* with PAD_LOCK */
static GstRtpSsrcDemuxPad *
find_or_create_demux_pad_for_ssrc (GstRtpSsrcDemux * demux, guint32 ssrc)
{
GstPad *rtp_pad, *rtcp_pad;
GstElementClass *klass;
GstPadTemplate *templ;
gchar *padname;
GstRtpSsrcDemuxPad *demuxpad;
GstCaps *caps;
struct ForwardEventData fdata;
GST_DEBUG_OBJECT (demux, "creating pad for SSRC %08x", ssrc);
demuxpad = find_demux_pad_for_ssrc (demux, ssrc);
if (demuxpad != NULL) {
return demuxpad;
}
klass = GST_ELEMENT_GET_CLASS (demux);
templ = gst_element_class_get_pad_template (klass, "src_%u");
padname = g_strdup_printf ("src_%u", ssrc);
rtp_pad = gst_pad_new_from_template (templ, padname);
g_free (padname);
templ = gst_element_class_get_pad_template (klass, "rtcp_src_%u");
padname = g_strdup_printf ("rtcp_src_%u", ssrc);
rtcp_pad = gst_pad_new_from_template (templ, padname);
g_free (padname);
/* wrap in structure and add to list */
demuxpad = g_new0 (GstRtpSsrcDemuxPad, 1);
demuxpad->ssrc = ssrc;
demuxpad->rtp_pad = rtp_pad;
demuxpad->rtcp_pad = rtcp_pad;
fdata.ssrc = ssrc;
gst_pad_set_element_private (rtp_pad, demuxpad);
gst_pad_set_element_private (rtcp_pad, demuxpad);
demux->srcpads = g_slist_prepend (demux->srcpads, demuxpad);
gst_pad_set_query_function (rtp_pad, gst_rtp_ssrc_demux_src_query);
gst_pad_set_iterate_internal_links_function (rtp_pad,
gst_rtp_ssrc_demux_iterate_internal_links_src);
gst_pad_set_event_function (rtp_pad, gst_rtp_ssrc_demux_src_event);
gst_pad_use_fixed_caps (rtp_pad);
gst_pad_set_active (rtp_pad, TRUE);
fdata.pad = rtp_pad;
gst_pad_sticky_events_foreach (demux->rtp_sink, forward_sticky_events,
&fdata);
gst_pad_set_event_function (rtcp_pad, gst_rtp_ssrc_demux_src_event);
gst_pad_set_iterate_internal_links_function (rtcp_pad,
gst_rtp_ssrc_demux_iterate_internal_links_src);
gst_pad_use_fixed_caps (rtcp_pad);
gst_pad_set_active (rtcp_pad, TRUE);
fdata.pad = rtcp_pad;
gst_pad_sticky_events_foreach (demux->rtcp_sink, forward_sticky_events,
&fdata);
/* copy caps from input */
if ((caps = gst_pad_get_current_caps (demux->rtp_sink))) {
gst_pad_set_caps (rtp_pad, caps);
gst_caps_unref (caps);
}
if ((caps = gst_pad_get_current_caps (demux->rtcp_sink))) {
gst_pad_set_caps (rtcp_pad, caps);
gst_caps_unref (caps);
}
gst_element_add_pad (GST_ELEMENT_CAST (demux), rtp_pad);
gst_element_add_pad (GST_ELEMENT_CAST (demux), rtcp_pad);
g_signal_emit (G_OBJECT (demux),
gst_rtp_ssrc_demux_signals[SIGNAL_NEW_SSRC_PAD], 0, ssrc, rtp_pad);
return demuxpad;
}
static void
gst_videoframe_audiolevel_init (GstVideoFrameAudioLevel * self)
{
self->asinkpad =
gst_pad_new_from_static_template (&audio_sink_template, "asink");
gst_pad_set_chain_function (self->asinkpad,
GST_DEBUG_FUNCPTR (gst_videoframe_audiolevel_asink_chain));
gst_pad_set_event_function (self->asinkpad,
GST_DEBUG_FUNCPTR (gst_videoframe_audiolevel_asink_event));
gst_pad_set_iterate_internal_links_function (self->asinkpad,
GST_DEBUG_FUNCPTR (gst_videoframe_audiolevel_iterate_internal_links));
gst_element_add_pad (GST_ELEMENT (self), self->asinkpad);
self->vsinkpad =
gst_pad_new_from_static_template (&video_sink_template, "vsink");
gst_pad_set_chain_function (self->vsinkpad,
GST_DEBUG_FUNCPTR (gst_videoframe_audiolevel_vsink_chain));
gst_pad_set_event_function (self->vsinkpad,
GST_DEBUG_FUNCPTR (gst_videoframe_audiolevel_vsink_event));
gst_pad_set_iterate_internal_links_function (self->vsinkpad,
GST_DEBUG_FUNCPTR (gst_videoframe_audiolevel_iterate_internal_links));
gst_element_add_pad (GST_ELEMENT (self), self->vsinkpad);
self->asrcpad =
gst_pad_new_from_static_template (&audio_src_template, "asrc");
gst_pad_set_iterate_internal_links_function (self->asrcpad,
GST_DEBUG_FUNCPTR (gst_videoframe_audiolevel_iterate_internal_links));
gst_element_add_pad (GST_ELEMENT (self), self->asrcpad);
self->vsrcpad =
gst_pad_new_from_static_template (&video_src_template, "vsrc");
gst_pad_set_iterate_internal_links_function (self->vsrcpad,
GST_DEBUG_FUNCPTR (gst_videoframe_audiolevel_iterate_internal_links));
gst_element_add_pad (GST_ELEMENT (self), self->vsrcpad);
GST_PAD_SET_PROXY_CAPS (self->asinkpad);
GST_PAD_SET_PROXY_ALLOCATION (self->asinkpad);
GST_PAD_SET_PROXY_CAPS (self->asrcpad);
GST_PAD_SET_PROXY_SCHEDULING (self->asrcpad);
GST_PAD_SET_PROXY_CAPS (self->vsinkpad);
GST_PAD_SET_PROXY_ALLOCATION (self->vsinkpad);
GST_PAD_SET_PROXY_CAPS (self->vsrcpad);
GST_PAD_SET_PROXY_SCHEDULING (self->vsrcpad);
self->adapter = gst_adapter_new ();
g_queue_init (&self->vtimeq);
self->first_time = GST_CLOCK_TIME_NONE;
self->total_frames = 0;
/* alignment_threshold and discont_wait should become properties if needed */
self->alignment_threshold = 40 * GST_MSECOND;
self->discont_time = GST_CLOCK_TIME_NONE;
self->next_offset = -1;
self->discont_wait = 1 * GST_SECOND;
self->video_eos_flag = FALSE;
self->audio_flush_flag = FALSE;
self->shutdown_flag = FALSE;
g_mutex_init (&self->mutex);
g_cond_init (&self->cond);
}
