static void
mpegpsmux_release_pad (GstElement * element, GstPad * pad)
{
/* unref pad data (and codec data) */
MpegPsMux *mux = GST_MPEG_PSMUX (element);
MpegPsPadData *pad_data = NULL;
GST_DEBUG_OBJECT (mux, "Pad %" GST_PTR_FORMAT " being released", pad);
/* Get the MpegPsPadData out of the pad */
GST_OBJECT_LOCK (pad);
pad_data = (MpegPsPadData *) gst_pad_get_element_private (pad);
if (G_LIKELY (pad_data)) {
/* Free codec data reference if any */
if (pad_data->codec_data) {
GST_DEBUG_OBJECT (element, "releasing codec_data reference");
gst_buffer_unref (pad_data->codec_data);
pad_data->codec_data = NULL;
}
}
if (pad_data->stream_id == mux->video_stream_id)
mux->video_stream_id = 0;
GST_OBJECT_UNLOCK (pad);
gst_collect_pads_remove_pad (mux->collect, pad);
}
static void
mpegtsmux_release_pad (GstElement * element, GstPad * pad)
{
MpegTsMux *mux = GST_MPEG_TSMUX (element);
MpegTsPadData *pad_data = NULL;
GST_DEBUG_OBJECT (mux, "Pad %" GST_PTR_FORMAT " being released", pad);
/* Get the MpegTsPadData out of the pad */
GST_OBJECT_LOCK (pad);
pad_data = (MpegTsPadData *) gst_pad_get_element_private (pad);
if (G_LIKELY (pad_data)) {
/* Free codec data reference if any */
if (pad_data->codec_data) {
GST_DEBUG_OBJECT (element, "releasing codec_data reference");
gst_buffer_unref (pad_data->codec_data);
pad_data->codec_data = NULL;
}
if (pad_data->prepare_data && pad_data->free_func) {
pad_data->free_func (pad_data->prepare_data);
pad_data->prepare_data = pad_data->free_func = NULL;
}
}
GST_OBJECT_UNLOCK (pad);
gst_collect_pads_remove_pad (mux->collect, pad);
}
static void
gst_mxf_mux_reset (GstMXFMux * mux)
{
GSList *sl;
while ((sl = mux->collect->data) != NULL) {
GstMXFMuxPad *cpad = (GstMXFMuxPad *) sl->data;
g_object_unref (cpad->adapter);
g_free (cpad->mapping_data);
gst_collect_pads_remove_pad (mux->collect, cpad->collect.pad);
}
mux->state = GST_MXF_MUX_STATE_HEADER;
mux->n_pads = 0;
if (mux->metadata) {
g_hash_table_destroy (mux->metadata);
mux->preface = NULL;
g_list_free (mux->metadata_list);
mux->metadata_list = NULL;
}
mux->metadata = mxf_metadata_hash_table_new ();
mxf_partition_pack_reset (&mux->partition);
mxf_primer_pack_reset (&mux->primer);
memset (&mux->min_edit_rate, 0, sizeof (MXFFraction));
mux->last_gc_timestamp = 0;
mux->last_gc_position = 0;
mux->offset = 0;
}
static void
gst_aggregator_release_pad (GstElement * element, GstPad * pad)
{
GstAggregator *aggregator = GST_AGGREGATOR (element);
if (aggregator->collect)
gst_collect_pads_remove_pad (aggregator->collect, pad);
gst_element_remove_pad (element, pad);
}
static GstPad *
mpegtsmux_request_new_pad (GstElement * element,
GstPadTemplate * templ, const gchar * name)
{
MpegTsMux *mux = GST_MPEG_TSMUX (element);
gint pid = -1;
gchar *pad_name = NULL;
GstPad *pad = NULL;
MpegTsPadData *pad_data = NULL;
if (name != NULL && sscanf (name, "sink_%d", &pid) == 1) {
if (tsmux_find_stream (mux->tsmux, pid))
goto stream_exists;
} else {
pid = tsmux_get_new_pid (mux->tsmux);
}
pad_name = g_strdup_printf ("sink_%d", pid);
pad = gst_pad_new_from_template (templ, pad_name);
g_free (pad_name);
pad_data = (MpegTsPadData *) gst_collect_pads_add_pad (mux->collect, pad,
sizeof (MpegTsPadData));
if (pad_data == NULL)
goto pad_failure;
pad_data->pid = pid;
pad_data->last_ts = GST_CLOCK_TIME_NONE;
pad_data->codec_data = NULL;
pad_data->prepare_data = NULL;
pad_data->prepare_func = NULL;
pad_data->free_func = NULL;
pad_data->prog_id = -1;
pad_data->prog = NULL;
if (G_UNLIKELY (!gst_element_add_pad (element, pad)))
goto could_not_add;
return pad;
stream_exists:
GST_ELEMENT_ERROR (element, STREAM, MUX, ("Duplicate PID requested"), (NULL));
return NULL;
could_not_add:
GST_ELEMENT_ERROR (element, STREAM, FAILED,
("Internal data stream error."), ("Could not add pad to element"));
gst_collect_pads_remove_pad (mux->collect, pad);
gst_object_unref (pad);
return NULL;
pad_failure:
GST_ELEMENT_ERROR (element, STREAM, FAILED,
("Internal data stream error."), ("Could not add pad to collectpads"));
gst_object_unref (pad);
return NULL;
}
static void
gst_interleave_release_pad (GstElement * element, GstPad * pad)
{
GstInterleave *self = GST_INTERLEAVE (element);
GList *l;
GstAudioChannelPosition position;
g_return_if_fail (GST_IS_INTERLEAVE_PAD (pad));
/* Take lock to make sure we're not changing this when processing buffers */
GST_OBJECT_LOCK (self->collect);
g_atomic_int_add (&self->channels, -1);
if (gst_pad_has_current_caps (pad))
g_atomic_int_add (&self->configured_sinkpads_counter, -1);
position = GST_INTERLEAVE_PAD_CAST (pad)->channel;
g_value_array_remove (self->input_channel_positions, position);
/* Update channel numbers */
GST_OBJECT_LOCK (self);
for (l = GST_ELEMENT_CAST (self)->sinkpads; l != NULL; l = l->next) {
GstInterleavePad *ipad = GST_INTERLEAVE_PAD (l->data);
if (GST_INTERLEAVE_PAD_CAST (pad)->channel < ipad->channel)
ipad->channel--;
}
GST_OBJECT_UNLOCK (self);
/* Update the src caps if we already have them */
if (self->sinkcaps) {
if (self->channels > 0) {
GstCaps *srccaps;
GstStructure *s;
srccaps = gst_caps_copy (self->sinkcaps);
s = gst_caps_get_structure (srccaps, 0);
gst_structure_set (s, "channels", G_TYPE_INT, self->channels, NULL);
gst_interleave_set_channel_positions (self, s);
gst_pad_set_active (self->src, TRUE);
gst_pad_set_caps (self->src, srccaps);
gst_caps_unref (srccaps);
} else {
gst_caps_replace (&self->sinkcaps, NULL);
}
}
GST_OBJECT_UNLOCK (self->collect);
gst_collect_pads_remove_pad (self->collect, pad);
gst_element_remove_pad (element, pad);
}
static GstPad *
mpegpsmux_request_new_pad (GstElement * element,
GstPadTemplate * templ, const gchar * name)
{
MpegPsMux *mux = GST_MPEG_PSMUX (element);
GstPad *pad = NULL;
MpegPsPadData *pad_data = NULL;
pad = gst_pad_new_from_template (templ, name);
pad_data = (MpegPsPadData *) gst_collect_pads_add_pad (mux->collect, pad,
sizeof (MpegPsPadData));
if (pad_data == NULL)
goto pad_failure;
pad_data->last_ts = GST_CLOCK_TIME_NONE;
pad_data->codec_data = NULL;
pad_data->prepare_func = NULL;
if (G_UNLIKELY (!gst_element_add_pad (element, pad)))
goto could_not_add;
return pad;
could_not_add:
GST_ELEMENT_ERROR (element, STREAM, FAILED,
("Internal data stream error."), ("Could not add pad to element"));
gst_collect_pads_remove_pad (mux->collect, pad);
gst_object_unref (pad);
return NULL;
pad_failure:
GST_ELEMENT_ERROR (element, STREAM, FAILED,
("Internal data stream error."), ("Could not add pad to collectpads"));
gst_object_unref (pad);
return NULL;
}
static GstPad *
gst_aggregator_request_new_pad (GstElement * element, GstPadTemplate * templ,
const gchar * unused, const GstCaps * caps)
{
GstAggregator *aggregator = GST_AGGREGATOR (element);
gchar *name;
GstPad *newpad;
gint padcount;
if (templ->direction != GST_PAD_SINK)
return NULL;
/* create new pad */
padcount = g_atomic_int_add (&aggregator->padcount, 1);
name = g_strdup_printf ("sink_%u", padcount);
newpad = gst_pad_new_from_template (templ, name);
g_free (name);
gst_collect_pads_add_pad (aggregator->collect, newpad,
sizeof (GstCollectData), NULL, TRUE);
/* takes ownership of the pad */
if (!gst_element_add_pad (GST_ELEMENT (aggregator), newpad))
goto could_not_add;
GST_DEBUG_OBJECT (aggregator, "added new pad %s", GST_OBJECT_NAME (newpad));
return newpad;
/* errors */
could_not_add:
{
GST_DEBUG_OBJECT (aggregator, "could not add pad");
gst_collect_pads_remove_pad (aggregator->collect, newpad);
gst_object_unref (newpad);
return NULL;
}
}
static GstPad *
gst_interleave_request_new_pad (GstElement * element, GstPadTemplate * templ,
const gchar * req_name, const GstCaps * caps)
{
GstInterleave *self = GST_INTERLEAVE (element);
GstPad *new_pad;
gchar *pad_name;
gint channels, padnumber;
GValue val = { 0, };
if (templ->direction != GST_PAD_SINK)
goto not_sink_pad;
padnumber = g_atomic_int_add (&self->padcounter, 1);
if (self->channel_positions_from_input)
channels = g_atomic_int_add (&self->channels, 1);
else
channels = padnumber;
pad_name = g_strdup_printf ("sink_%u", padnumber);
new_pad = GST_PAD_CAST (g_object_new (GST_TYPE_INTERLEAVE_PAD,
"name", pad_name, "direction", templ->direction,
"template", templ, NULL));
GST_INTERLEAVE_PAD_CAST (new_pad)->channel = channels;
GST_DEBUG_OBJECT (self, "requested new pad %s", pad_name);
g_free (pad_name);
gst_pad_use_fixed_caps (new_pad);
gst_collect_pads_add_pad (self->collect, new_pad, sizeof (GstCollectData),
NULL, TRUE);
gst_collect_pads_set_event_function (self->collect,
(GstCollectPadsEventFunction)
GST_DEBUG_FUNCPTR (gst_interleave_sink_event), self);
if (!gst_element_add_pad (element, new_pad))
goto could_not_add;
g_value_init (&val, GST_TYPE_AUDIO_CHANNEL_POSITION);
g_value_set_enum (&val, GST_AUDIO_CHANNEL_POSITION_NONE);
self->input_channel_positions =
g_value_array_append (self->input_channel_positions, &val);
g_value_unset (&val);
/* Update the src caps if we already have them */
if (self->sinkcaps) {
GstCaps *srccaps;
GstStructure *s;
/* Take lock to make sure processing finishes first */
GST_OBJECT_LOCK (self->collect);
srccaps = gst_caps_copy (self->sinkcaps);
s = gst_caps_get_structure (srccaps, 0);
gst_structure_set (s, "channels", G_TYPE_INT, self->channels, NULL);
gst_interleave_set_channel_positions (self, s);
/* FIXME: send caps event after stream-start event */
gst_pad_set_active (self->src, TRUE);
gst_pad_set_caps (self->src, srccaps);
gst_caps_unref (srccaps);
GST_OBJECT_UNLOCK (self->collect);
}
return new_pad;
/* errors */
not_sink_pad:
{
g_warning ("interleave: requested new pad that is not a SINK pad\n");
return NULL;
}
could_not_add:
{
GST_DEBUG_OBJECT (self, "could not add pad %s", GST_PAD_NAME (new_pad));
gst_collect_pads_remove_pad (self->collect, new_pad);
gst_object_unref (new_pad);
return NULL;
}
}
