KmsElementPadType
kms_element_get_pad_type (KmsElement * self, GstPad * pad)
{
KmsElementPadType type;
GstPadTemplate *templ;
g_return_val_if_fail (self != NULL, KMS_ELEMENT_PAD_TYPE_DATA);
templ = gst_pad_get_pad_template (pad);
if (templ ==
gst_element_class_get_pad_template (GST_ELEMENT_CLASS (G_OBJECT_GET_CLASS
(self)), AUDIO_SRC_PAD) ||
g_strstr_len (GST_OBJECT_NAME (pad), -1, "audio")) {
type = KMS_ELEMENT_PAD_TYPE_AUDIO;
} else if (templ ==
gst_element_class_get_pad_template (GST_ELEMENT_CLASS (G_OBJECT_GET_CLASS
(self)), VIDEO_SRC_PAD) ||
g_strstr_len (GST_OBJECT_NAME (pad), -1, "video")) {
type = KMS_ELEMENT_PAD_TYPE_VIDEO;
} else {
type = KMS_ELEMENT_PAD_TYPE_DATA;
}
gst_object_unref (templ);
return type;
}
static void
gst_rg_volume_init (GstRgVolume * self)
{
GObjectClass *volume_class;
GstPad *volume_pad, *ghost_pad;
self->album_mode = DEFAULT_ALBUM_MODE;
self->headroom = DEFAULT_HEADROOM;
self->pre_amp = DEFAULT_PRE_AMP;
self->fallback_gain = DEFAULT_FALLBACK_GAIN;
self->target_gain = 0.0;
self->result_gain = 0.0;
self->volume_element = gst_element_factory_make ("volume", "rgvolume-volume");
if (G_UNLIKELY (self->volume_element == NULL)) {
GstMessage *msg;
GST_WARNING_OBJECT (self, "could not create volume element");
msg = gst_missing_element_message_new (GST_ELEMENT_CAST (self), "volume");
gst_element_post_message (GST_ELEMENT_CAST (self), msg);
/* Nothing else to do, we will refuse the state change from NULL to READY to
* indicate that something went very wrong. It is doubtful that someone
* attempts changing our state though, since we end up having no pads! */
return;
}
volume_class = G_OBJECT_GET_CLASS (G_OBJECT (self->volume_element));
self->max_volume = G_PARAM_SPEC_DOUBLE
(g_object_class_find_property (volume_class, "volume"))->maximum;
GST_BIN_CLASS (parent_class)->add_element (GST_BIN_CAST (self),
self->volume_element);
volume_pad = gst_element_get_static_pad (self->volume_element, "sink");
ghost_pad = gst_ghost_pad_new_from_template ("sink", volume_pad,
gst_pad_get_pad_template (volume_pad));
gst_object_unref (volume_pad);
gst_pad_set_event_function (ghost_pad, gst_rg_volume_sink_event);
gst_element_add_pad (GST_ELEMENT_CAST (self), ghost_pad);
volume_pad = gst_element_get_static_pad (self->volume_element, "src");
ghost_pad = gst_ghost_pad_new_from_template ("src", volume_pad,
gst_pad_get_pad_template (volume_pad));
gst_object_unref (volume_pad);
gst_element_add_pad (GST_ELEMENT_CAST (self), ghost_pad);
}
void GstUtils::release_request_pad(GstPad *pad, gpointer user_data) {
// checking if the pad has been requested and releasing it needed
GstPadTemplate *pad_templ = gst_pad_get_pad_template(pad);
if (nullptr != pad_templ
&& GST_PAD_TEMPLATE_PRESENCE(pad_templ) == GST_PAD_REQUEST) {
gst_element_release_request_pad((GstElement *)user_data,
pad);
gst_object_unref(pad); // release does not free
}
//gst_object_unref(pad_templ); // bug in gst 0.10 ?
gst_object_unref(pad); // for iterator
}
void
shmdata_base_reader_release_request_pad (GstPad *pad, gpointer user_data)
{
//checking if the pad has been requested and releasing it needed
GstPadTemplate *pad_templ = gst_pad_get_pad_template (pad);
if (GST_PAD_TEMPLATE_PRESENCE (pad_templ) == GST_PAD_REQUEST) {
gst_element_release_request_pad ((GstElement *)user_data,
pad);
gst_object_unref(pad);
}
// gst_object_unref(pad_templ); // bug in gst 0.10 ?
gst_object_unref(pad); // for pad iterator
}
static void
debug_dump_pad (GstPad * pad, const gchar * color_name,
const gchar * element_name, GstDebugGraphDetails details, FILE * out,
const gint indent)
{
GstPadTemplate *pad_templ;
GstPadPresence presence;
gchar *pad_name;
const gchar *style_name;
const gchar *spc = &spaces[MAX (sizeof (spaces) - (1 + indent * 2), 0)];
pad_name = debug_dump_make_object_name (GST_OBJECT (pad));
/* pad availability */
style_name = "filled,solid";
if ((pad_templ = gst_pad_get_pad_template (pad))) {
presence = GST_PAD_TEMPLATE_PRESENCE (pad_templ);
if (presence == GST_PAD_SOMETIMES) {
style_name = "filled,dotted";
} else if (presence == GST_PAD_REQUEST) {
style_name = "filled,dashed";
}
}
if (details & GST_DEBUG_GRAPH_SHOW_STATES) {
gchar pad_flags[4];
const gchar *activation_mode = "-><";
/* check if pad flags */
pad_flags[0] =
GST_OBJECT_FLAG_IS_SET (pad, GST_PAD_FLAG_BLOCKED) ? 'B' : 'b';
pad_flags[1] =
GST_OBJECT_FLAG_IS_SET (pad, GST_PAD_FLAG_FLUSHING) ? 'F' : 'f';
pad_flags[2] =
GST_OBJECT_FLAG_IS_SET (pad, GST_PAD_FLAG_BLOCKING) ? 'B' : 'b';
pad_flags[3] = '\0';
fprintf (out,
"%s %s_%s [color=black, fillcolor=\"%s\", label=\"%s\\n[%c][%s]\", height=\"0.2\", style=\"%s\"];\n",
spc, element_name, pad_name, color_name, GST_OBJECT_NAME (pad),
activation_mode[pad->mode], pad_flags, style_name);
} else {
fprintf (out,
"%s %s_%s [color=black, fillcolor=\"%s\", label=\"%s\", height=\"0.2\", style=\"%s\"];\n",
spc, element_name, pad_name, color_name, GST_OBJECT_NAME (pad),
style_name);
}
g_free (pad_name);
}
static GstPad *
gst_rtp_dtmf_mux_request_new_pad (GstElement * element, GstPadTemplate * templ,
const gchar * name)
{
GstPad *pad;
pad = GST_CALL_PARENT_WITH_DEFAULT (GST_ELEMENT_CLASS, request_new_pad,
(element, templ, name), NULL);
if (pad) {
GstRTPMuxPadPrivate *padpriv;
GST_OBJECT_LOCK (element);
padpriv = gst_pad_get_element_private (pad);
if (gst_element_class_get_pad_template (GST_ELEMENT_GET_CLASS (element),
"priority_sink_%d") == gst_pad_get_pad_template (pad))
padpriv->priority = TRUE;
GST_OBJECT_UNLOCK (element);
}
return pad;
}
static GstPad *
gst_rtp_dtmf_mux_request_new_pad (GstElement * element, GstPadTemplate * templ,
const gchar * name, const GstCaps * caps)
{
GstPad *pad;
pad =
GST_ELEMENT_CLASS (gst_rtp_dtmf_mux_parent_class)->request_new_pad
(element, templ, name, caps);
if (pad) {
GstRTPMuxPadPrivate *padpriv;
GST_OBJECT_LOCK (element);
padpriv = gst_pad_get_element_private (pad);
if (gst_element_class_get_pad_template (GST_ELEMENT_GET_CLASS (element),
"priority_sink_%u") == gst_pad_get_pad_template (pad))
padpriv->priority = TRUE;
GST_OBJECT_UNLOCK (element);
}
return pad;
}
static gboolean
gst_mxf_mux_setcaps (GstPad * pad, GstCaps * caps)
{
GstMXFMux *mux = GST_MXF_MUX (gst_pad_get_parent (pad));
GstMXFMuxPad *cpad = (GstMXFMuxPad *) gst_pad_get_element_private (pad);
gboolean ret = TRUE;
MXFUUID d_instance_uid = { {0,} };
MXFMetadataFileDescriptor *old_descriptor = cpad->descriptor;
GList *l;
GST_DEBUG_OBJECT (pad, "Setting caps %" GST_PTR_FORMAT, caps);
if (old_descriptor) {
memcpy (&d_instance_uid, &MXF_METADATA_BASE (old_descriptor)->instance_uid,
16);
cpad->descriptor = NULL;
g_free (cpad->mapping_data);
cpad->mapping_data = NULL;
}
cpad->descriptor =
cpad->writer->get_descriptor (gst_pad_get_pad_template (pad), caps,
&cpad->write_func, &cpad->mapping_data);
if (!cpad->descriptor) {
GST_ERROR_OBJECT (mux,
"Couldn't get descriptor for pad '%s' with caps %" GST_PTR_FORMAT,
GST_PAD_NAME (pad), caps);
gst_object_unref (mux);
return FALSE;
}
if (mxf_uuid_is_zero (&d_instance_uid))
mxf_uuid_init (&d_instance_uid, mux->metadata);
memcpy (&MXF_METADATA_BASE (cpad->descriptor)->instance_uid, &d_instance_uid,
16);
if (old_descriptor) {
for (l = mux->metadata_list; l; l = l->next) {
MXFMetadataBase *tmp = l->data;
if (mxf_uuid_is_equal (&d_instance_uid, &tmp->instance_uid)) {
l->data = cpad->descriptor;
break;
}
}
} else {
mux->metadata_list = g_list_prepend (mux->metadata_list, cpad->descriptor);
}
g_hash_table_replace (mux->metadata,
&MXF_METADATA_BASE (cpad->descriptor)->instance_uid, cpad->descriptor);
if (old_descriptor) {
if (mux->preface && mux->preface->content_storage &&
mux->preface->content_storage->packages) {
guint i, j;
for (i = 0; i < mux->preface->content_storage->n_packages; i++) {
MXFMetadataSourcePackage *package;
if (!MXF_IS_METADATA_SOURCE_PACKAGE (mux->preface->content_storage->
packages[i]))
continue;
package =
MXF_METADATA_SOURCE_PACKAGE (mux->preface->content_storage->
packages[i]);
if (!package->descriptor)
continue;
if (MXF_IS_METADATA_MULTIPLE_DESCRIPTOR (package->descriptor)) {
MXFMetadataMultipleDescriptor *tmp =
MXF_METADATA_MULTIPLE_DESCRIPTOR (package->descriptor);
for (j = 0; j < tmp->n_sub_descriptors; j++) {
if (tmp->sub_descriptors[j] ==
MXF_METADATA_GENERIC_DESCRIPTOR (old_descriptor)) {
tmp->sub_descriptors[j] =
MXF_METADATA_GENERIC_DESCRIPTOR (cpad->descriptor);
memcpy (&tmp->sub_descriptors_uids[j], &d_instance_uid, 16);
}
}
} else if (package->descriptor ==
MXF_METADATA_GENERIC_DESCRIPTOR (old_descriptor)) {
package->descriptor =
MXF_METADATA_GENERIC_DESCRIPTOR (cpad->descriptor);
memcpy (&package->descriptor_uid, &d_instance_uid, 16);
}
}
}
}
gst_object_unref (mux);
return ret;
}
static void
debug_dump_pad (GstPad * pad, const gchar * color_name,
const gchar * element_name, GstDebugGraphDetails details, GString * str,
const gint indent)
{
GstPadTemplate *pad_templ;
GstPadPresence presence;
gchar *pad_name;
const gchar *style_name;
const gchar *spc = &spaces[MAX (sizeof (spaces) - (1 + indent * 2), 0)];
pad_name = debug_dump_make_object_name (GST_OBJECT (pad));
/* pad availability */
style_name = "filled,solid";
if ((pad_templ = gst_pad_get_pad_template (pad))) {
presence = GST_PAD_TEMPLATE_PRESENCE (pad_templ);
gst_object_unref (pad_templ);
if (presence == GST_PAD_SOMETIMES) {
style_name = "filled,dotted";
} else if (presence == GST_PAD_REQUEST) {
style_name = "filled,dashed";
}
}
if (details & GST_DEBUG_GRAPH_SHOW_STATES) {
gchar pad_flags[4];
const gchar *activation_mode = "-><";
const gchar *task_mode = "";
GstTask *task;
GST_OBJECT_LOCK (pad);
task = GST_PAD_TASK (pad);
if (task) {
switch (gst_task_get_state (task)) {
case GST_TASK_STARTED:
task_mode = "[T]";
break;
case GST_TASK_PAUSED:
task_mode = "[t]";
break;
default:
/* Invalid task state, ignoring */
break;
}
}
GST_OBJECT_UNLOCK (pad);
/* check if pad flags */
pad_flags[0] =
GST_OBJECT_FLAG_IS_SET (pad, GST_PAD_FLAG_BLOCKED) ? 'B' : 'b';
pad_flags[1] =
GST_OBJECT_FLAG_IS_SET (pad, GST_PAD_FLAG_FLUSHING) ? 'F' : 'f';
pad_flags[2] =
GST_OBJECT_FLAG_IS_SET (pad, GST_PAD_FLAG_BLOCKING) ? 'B' : 'b';
pad_flags[3] = '\0';
g_string_append_printf (str,
"%s %s_%s [color=black, fillcolor=\"%s\", label=\"%s\\n[%c][%s]%s\", height=\"0.2\", style=\"%s\"];\n",
spc, element_name, pad_name, color_name, GST_OBJECT_NAME (pad),
activation_mode[pad->mode], pad_flags, task_mode, style_name);
} else {
g_string_append_printf (str,
"%s %s_%s [color=black, fillcolor=\"%s\", label=\"%s\", height=\"0.2\", style=\"%s\"];\n",
spc, element_name, pad_name, color_name, GST_OBJECT_NAME (pad),
style_name);
}
g_free (pad_name);
}
