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_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);
}
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
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);
}
/* 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);
GstSyncStream *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 (GstSyncStream);
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;
stream->group_id = G_MAXUINT;
stream->seen_data = FALSE;
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_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));
GST_PAD_SET_PROXY_CAPS (stream->sinkpad);
GST_PAD_SET_PROXY_ALLOCATION (stream->sinkpad);
GST_PAD_SET_PROXY_SCHEDULING (stream->sinkpad);
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_event_function (stream->srcpad,
GST_DEBUG_FUNCPTR (gst_stream_synchronizer_src_event));
GST_PAD_SET_PROXY_CAPS (stream->srcpad);
GST_PAD_SET_PROXY_ALLOCATION (stream->srcpad);
GST_PAD_SET_PROXY_SCHEDULING (stream->srcpad);
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_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);
}
