static void owr_inter_src_init(OwrInterSrc *self)
{
GstPad *srcpad, *sinkpad;
GST_OBJECT_FLAG_SET(self, GST_ELEMENT_FLAG_SOURCE);
self->queue = gst_element_factory_make("queue", NULL);
gst_bin_add(GST_BIN(self), self->queue);
srcpad = gst_element_get_static_pad(self->queue, "src");
self->srcpad = gst_ghost_pad_new_from_template("src", srcpad, gst_static_pad_template_get(&src_template));
gst_object_unref(srcpad);
gst_element_add_pad(GST_ELEMENT(self), self->srcpad);
/* Just to allow linking... */
self->dummy_sinkpad = gst_pad_new("dummy_sinkpad", GST_PAD_SINK);
gst_object_set_parent(GST_OBJECT(self->dummy_sinkpad), GST_OBJECT(self));
self->internal_srcpad = gst_pad_new("internal_src", GST_PAD_SRC);
gst_object_set_parent(GST_OBJECT(self->internal_srcpad), GST_OBJECT(self->dummy_sinkpad));
gst_pad_set_event_function(self->internal_srcpad, owr_inter_src_internal_src_event);
gst_pad_set_query_function(self->internal_srcpad, owr_inter_src_internal_src_query);
sinkpad = gst_element_get_static_pad(self->queue, "sink");
gst_pad_link(self->internal_srcpad, sinkpad);
gst_object_unref(sinkpad);
}
static void
transport_stream_set_property (GObject * object, guint prop_id,
const GValue * value, GParamSpec * pspec)
{
TransportStream *stream = TRANSPORT_STREAM (object);
switch (prop_id) {
case PROP_WEBRTC:
gst_object_set_parent (GST_OBJECT (stream), g_value_get_object (value));
break;
}
GST_OBJECT_LOCK (stream);
switch (prop_id) {
case PROP_WEBRTC:
break;
case PROP_SESSION_ID:
stream->session_id = g_value_get_uint (value);
break;
case PROP_RTCP_MUX:
stream->rtcp_mux = g_value_get_boolean (value);
break;
case PROP_DTLS_CLIENT:
stream->dtls_client = g_value_get_boolean (value);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
GST_OBJECT_UNLOCK (stream);
}
static void
webrtc_transceiver_set_property (GObject * object, guint prop_id,
const GValue * value, GParamSpec * pspec)
{
WebRTCTransceiver *trans = WEBRTC_TRANSCEIVER (object);
switch (prop_id) {
case PROP_WEBRTC:
gst_object_set_parent (GST_OBJECT (trans), g_value_get_object (value));
break;
}
GST_OBJECT_LOCK (trans);
switch (prop_id) {
case PROP_WEBRTC:
break;
case PROP_FEC_TYPE:
trans->fec_type = g_value_get_enum (value);
break;
case PROP_DO_NACK:
trans->do_nack = g_value_get_boolean (value);
break;
case PROP_FEC_PERCENTAGE:
trans->fec_percentage = g_value_get_uint (value);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
GST_OBJECT_UNLOCK (trans);
}
static GstStateChangeReturn
gst_audio_ringbuffer_change_state (GstElement * element,
GstStateChange transition)
{
GstAudioRingbuffer *ringbuffer;
GstStateChangeReturn ret = GST_STATE_CHANGE_SUCCESS;
ringbuffer = GST_AUDIO_RINGBUFFER (element);
switch (transition) {
case GST_STATE_CHANGE_NULL_TO_READY:
if (ringbuffer->buffer == NULL) {
ringbuffer->buffer = gst_int_ring_buffer_new ();
gst_object_set_parent (GST_OBJECT (ringbuffer->buffer),
GST_OBJECT (ringbuffer));
gst_ring_buffer_open_device (ringbuffer->buffer);
}
break;
case GST_STATE_CHANGE_READY_TO_PAUSED:
ringbuffer->next_sample = -1;
ringbuffer->last_align = -1;
gst_ring_buffer_set_flushing (ringbuffer->buffer, FALSE);
gst_ring_buffer_may_start (ringbuffer->buffer, TRUE);
break;
case GST_STATE_CHANGE_PAUSED_TO_READY:
GST_OBJECT_LOCK (ringbuffer);
ringbuffer->flushing = TRUE;
ringbuffer->waiting = FALSE;
g_cond_broadcast (ringbuffer->cond);
GST_OBJECT_UNLOCK (ringbuffer);
gst_ring_buffer_set_flushing (ringbuffer->buffer, TRUE);
gst_ring_buffer_may_start (ringbuffer->buffer, FALSE);
break;
default:
break;
}
ret =
GST_ELEMENT_CLASS (elem_parent_class)->change_state (element, transition);
switch (transition) {
case GST_STATE_CHANGE_PAUSED_TO_READY:
gst_ring_buffer_activate (ringbuffer->buffer, FALSE);
gst_ring_buffer_release (ringbuffer->buffer);
break;
case GST_STATE_CHANGE_READY_TO_NULL:
if (ringbuffer->buffer != NULL) {
gst_ring_buffer_close_device (ringbuffer->buffer);
gst_object_unparent (GST_OBJECT (ringbuffer->buffer));
ringbuffer->buffer = NULL;
}
break;
default:
break;
}
return ret;
}
static void
gst_deinterlace2_set_method (GstDeinterlace2 * self,
GstDeinterlace2Methods method)
{
if (self->method) {
gst_child_proxy_child_removed (GST_OBJECT (self),
GST_OBJECT (self->method));
gst_object_unparent (GST_OBJECT (self->method));
self->method = NULL;
}
switch (method) {
case GST_DEINTERLACE2_TOMSMOCOMP:
self->method = g_object_new (GST_TYPE_DEINTERLACE_TOMSMOCOMP, NULL);
break;
case GST_DEINTERLACE2_GREEDY_H:
self->method = g_object_new (GST_TYPE_DEINTERLACE_GREEDY_H, NULL);
break;
case GST_DEINTERLACE2_GREEDY_L:
self->method = g_object_new (GST_TYPE_DEINTERLACE_GREEDY_L, NULL);
break;
case GST_DEINTERLACE2_VFIR:
self->method = g_object_new (GST_TYPE_DEINTERLACE_VFIR, NULL);
break;
case GST_DEINTERLACE2_LINEAR:
self->method = g_object_new (GST_TYPE_DEINTERLACE_LINEAR, NULL);
break;
case GST_DEINTERLACE2_LINEAR_BLEND:
self->method = g_object_new (GST_TYPE_DEINTERLACE_LINEAR_BLEND, NULL);
break;
case GST_DEINTERLACE2_SCALER_BOB:
self->method = g_object_new (GST_TYPE_DEINTERLACE_SCALER_BOB, NULL);
break;
case GST_DEINTERLACE2_WEAVE:
self->method = g_object_new (GST_TYPE_DEINTERLACE_WEAVE, NULL);
break;
case GST_DEINTERLACE2_WEAVE_TFF:
self->method = g_object_new (GST_TYPE_DEINTERLACE_WEAVE_TFF, NULL);
break;
case GST_DEINTERLACE2_WEAVE_BFF:
self->method = g_object_new (GST_TYPE_DEINTERLACE_WEAVE_BFF, NULL);
break;
default:
GST_WARNING ("Invalid Deinterlacer Method");
return;
}
self->method_id = method;
gst_object_set_name (GST_OBJECT (self->method), "method");
gst_object_set_parent (GST_OBJECT (self->method), GST_OBJECT (self));
gst_child_proxy_child_added (GST_OBJECT (self), GST_OBJECT (self->method));
}
void
gss_program_add_stream (GssProgram * program, GssStream * stream)
{
g_return_if_fail (GSS_IS_PROGRAM (program));
g_return_if_fail (GSS_IS_STREAM (stream));
program->streams = g_list_append (program->streams, stream);
stream->program = program;
gss_stream_add_resources (stream);
gst_object_set_parent (GST_OBJECT (stream), GST_OBJECT (program));
}
/**
* gst_base_audio_src_create_ringbuffer:
* @src: a #GstBaseAudioSrc.
*
* Create and return the #GstRingBuffer for @src. This function will call the
* ::create_ringbuffer vmethod and will set @src as the parent of the returned
* buffer (see gst_object_set_parent()).
*
* Returns: The new ringbuffer of @src.
*/
GstRingBuffer *
gst_base_audio_src_create_ringbuffer (GstBaseAudioSrc * src)
{
GstBaseAudioSrcClass *bclass;
GstRingBuffer *buffer = NULL;
bclass = GST_BASE_AUDIO_SRC_GET_CLASS (src);
if (bclass->create_ringbuffer)
buffer = bclass->create_ringbuffer (src);
if (G_LIKELY (buffer))
gst_object_set_parent (GST_OBJECT_CAST (buffer), GST_OBJECT_CAST (src));
return buffer;
}
static void
gst_object_set_property (GObject * object, guint prop_id,
const GValue * value, GParamSpec * pspec)
{
GstObject *gstobject;
gstobject = GST_OBJECT_CAST (object);
switch (prop_id) {
case PROP_NAME:
gst_object_set_name (gstobject, g_value_get_string (value));
break;
case PROP_PARENT:
gst_object_set_parent (gstobject, g_value_get_object (value));
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
void
gst_iir_equalizer_compute_frequencies (GstIirEqualizer * equ, guint new_count)
{
guint old_count, i;
gdouble freq0, freq1, step;
gchar name[20];
if (equ->freq_band_count == new_count)
return;
BANDS_LOCK (equ);
if (G_UNLIKELY (equ->freq_band_count == new_count)) {
BANDS_UNLOCK (equ);
return;
}
old_count = equ->freq_band_count;
equ->freq_band_count = new_count;
GST_DEBUG ("bands %u -> %u", old_count, new_count);
if (old_count < new_count) {
/* add new bands */
equ->bands = g_realloc (equ->bands, sizeof (GstObject *) * new_count);
for (i = old_count; i < new_count; i++) {
/* otherwise they get names like 'iirequalizerband5' */
sprintf (name, "band%u", i);
equ->bands[i] = g_object_new (GST_TYPE_IIR_EQUALIZER_BAND,
"name", name, NULL);
GST_DEBUG ("adding band[%d]=%p", i, equ->bands[i]);
gst_object_set_parent (GST_OBJECT (equ->bands[i]), GST_OBJECT (equ));
gst_child_proxy_child_added (GST_OBJECT (equ),
GST_OBJECT (equ->bands[i]));
}
} else {
/* free unused bands */
for (i = new_count; i < old_count; i++) {
GST_DEBUG ("removing band[%d]=%p", i, equ->bands[i]);
gst_child_proxy_child_removed (GST_OBJECT (equ),
GST_OBJECT (equ->bands[i]));
gst_object_unparent (GST_OBJECT (equ->bands[i]));
equ->bands[i] = NULL;
}
}
alloc_history (equ);
/* set center frequencies and name band objects
* FIXME: arg! we can't change the name of parented objects :(
* application should read band->freq to get the name
*/
step = pow (HIGHEST_FREQ / LOWEST_FREQ, 1.0 / new_count);
freq0 = LOWEST_FREQ;
for (i = 0; i < new_count; i++) {
freq1 = freq0 * step;
if (i == 0)
equ->bands[i]->type = BAND_TYPE_LOW_SHELF;
else if (i == new_count - 1)
equ->bands[i]->type = BAND_TYPE_HIGH_SHELF;
else
equ->bands[i]->type = BAND_TYPE_PEAK;
equ->bands[i]->freq = freq0 + ((freq1 - freq0) / 2.0);
equ->bands[i]->width = freq1 - freq0;
GST_DEBUG ("band[%2d] = '%lf'", i, equ->bands[i]->freq);
g_object_notify (G_OBJECT (equ->bands[i]), "bandwidth");
g_object_notify (G_OBJECT (equ->bands[i]), "freq");
g_object_notify (G_OBJECT (equ->bands[i]), "type");
/*
if(equ->bands[i]->freq<10000.0)
sprintf (name,"%dHz",(gint)equ->bands[i]->freq);
else
sprintf (name,"%dkHz",(gint)(equ->bands[i]->freq/1000.0));
gst_object_set_name( GST_OBJECT (equ->bands[i]), name);
GST_DEBUG ("band[%2d] = '%s'",i,name);
*/
freq0 = freq1;
}
equ->need_new_coefficients = TRUE;
BANDS_UNLOCK (equ);
}
/**
* gst_ghost_pad_construct:
* @gpad: the newly allocated ghost pad
*
* Finish initialization of a newly allocated ghost pad.
*
* This function is most useful in language bindings and when subclassing
* #GstGhostPad; plugin and application developers normally will not call this
* function. Call this function directly after a call to g_object_new
* (GST_TYPE_GHOST_PAD, "direction", @dir, ..., NULL).
*
* Returns: %TRUE if the construction succeeds, %FALSE otherwise.
*/
gboolean
gst_ghost_pad_construct (GstGhostPad * gpad)
{
GstPadDirection dir, otherdir;
GstPadTemplate *templ;
GstPad *pad, *internal;
g_return_val_if_fail (GST_IS_GHOST_PAD (gpad), FALSE);
g_return_val_if_fail (GST_GHOST_PAD_PRIVATE (gpad)->constructed == FALSE,
FALSE);
g_object_get (gpad, "direction", &dir, "template", &templ, NULL);
g_return_val_if_fail (dir != GST_PAD_UNKNOWN, FALSE);
pad = GST_PAD (gpad);
/* Set directional padfunctions for ghostpad */
if (dir == GST_PAD_SINK) {
gst_pad_set_chain_function (pad, gst_proxy_pad_chain_default);
gst_pad_set_chain_list_function (pad, gst_proxy_pad_chain_list_default);
} else {
gst_pad_set_getrange_function (pad, gst_proxy_pad_getrange_default);
}
/* INTERNAL PAD, it always exists and is child of the ghostpad */
otherdir = (dir == GST_PAD_SRC) ? GST_PAD_SINK : GST_PAD_SRC;
if (templ) {
internal =
g_object_new (GST_TYPE_PROXY_PAD, "name", NULL,
"direction", otherdir, "template", templ, NULL);
/* release ref obtained via g_object_get */
gst_object_unref (templ);
} else {
internal =
g_object_new (GST_TYPE_PROXY_PAD, "name", NULL,
"direction", otherdir, NULL);
}
GST_PAD_UNSET_FLUSHING (internal);
/* Set directional padfunctions for internal pad */
if (dir == GST_PAD_SRC) {
gst_pad_set_chain_function (internal, gst_proxy_pad_chain_default);
gst_pad_set_chain_list_function (internal,
gst_proxy_pad_chain_list_default);
} else {
gst_pad_set_getrange_function (internal, gst_proxy_pad_getrange_default);
}
GST_OBJECT_LOCK (pad);
/* now make the ghostpad a parent of the internal pad */
if (!gst_object_set_parent (GST_OBJECT_CAST (internal),
GST_OBJECT_CAST (pad)))
goto parent_failed;
/* The ghostpad is the parent of the internal pad and is the only object that
* can have a refcount on the internal pad.
* At this point, the GstGhostPad has a refcount of 1, and the internal pad has
* a refcount of 1.
* When the refcount of the GstGhostPad drops to 0, the ghostpad will dispose
* its refcount on the internal pad in the dispose method by un-parenting it.
* This is why we don't take extra refcounts in the assignments below
*/
GST_PROXY_PAD_INTERNAL (pad) = internal;
GST_PROXY_PAD_INTERNAL (internal) = pad;
/* special activation functions for the internal pad */
gst_pad_set_activatemode_function (internal,
gst_ghost_pad_internal_activate_mode_default);
GST_OBJECT_UNLOCK (pad);
GST_GHOST_PAD_PRIVATE (gpad)->constructed = TRUE;
return TRUE;
/* ERRORS */
parent_failed:
{
GST_WARNING_OBJECT (gpad, "Could not set internal pad %s:%s",
GST_DEBUG_PAD_NAME (internal));
g_critical ("Could not set internal pad %s:%s",
GST_DEBUG_PAD_NAME (internal));
GST_OBJECT_UNLOCK (pad);
gst_object_unref (internal);
return FALSE;
}
}
bool Object::setParent(const ObjectPtr & parent)
{
return gst_object_set_parent(object<GstObject>(), parent);
}
static GstPad *
gst_ghost_pad_new_full (const gchar * name, GstPadDirection dir,
GstPadTemplate * templ)
{
GstPad *ret;
GstPad *internal;
GstPadDirection otherdir;
g_return_val_if_fail (dir != GST_PAD_UNKNOWN, NULL);
/* OBJECT CREATION */
if (templ) {
ret = g_object_new (GST_TYPE_GHOST_PAD, "name", name,
"direction", dir, "template", templ, NULL);
} else {
ret = g_object_new (GST_TYPE_GHOST_PAD, "name", name,
"direction", dir, NULL);
}
/* Set directional padfunctions for ghostpad */
if (dir == GST_PAD_SINK) {
gst_pad_set_bufferalloc_function (ret,
GST_DEBUG_FUNCPTR (gst_proxy_pad_do_bufferalloc));
gst_pad_set_chain_function (ret,
GST_DEBUG_FUNCPTR (gst_proxy_pad_do_chain));
} else {
gst_pad_set_getrange_function (ret,
GST_DEBUG_FUNCPTR (gst_proxy_pad_do_getrange));
gst_pad_set_checkgetrange_function (ret,
GST_DEBUG_FUNCPTR (gst_proxy_pad_do_checkgetrange));
}
/* link/unlink functions */
gst_pad_set_link_function (ret, GST_DEBUG_FUNCPTR (gst_ghost_pad_do_link));
gst_pad_set_unlink_function (ret,
GST_DEBUG_FUNCPTR (gst_ghost_pad_do_unlink));
/* INTERNAL PAD, it always exists and is child of the ghostpad */
otherdir = (dir == GST_PAD_SRC) ? GST_PAD_SINK : GST_PAD_SRC;
if (templ) {
internal =
g_object_new (GST_TYPE_PROXY_PAD, "name", NULL,
"direction", otherdir, "template", templ, NULL);
} else {
internal =
g_object_new (GST_TYPE_PROXY_PAD, "name", NULL,
"direction", otherdir, NULL);
}
GST_PAD_UNSET_FLUSHING (internal);
/* Set directional padfunctions for internal pad */
if (dir == GST_PAD_SRC) {
gst_pad_set_bufferalloc_function (internal,
GST_DEBUG_FUNCPTR (gst_proxy_pad_do_bufferalloc));
gst_pad_set_chain_function (internal,
GST_DEBUG_FUNCPTR (gst_proxy_pad_do_chain));
} else {
gst_pad_set_getrange_function (internal,
GST_DEBUG_FUNCPTR (gst_proxy_pad_do_getrange));
gst_pad_set_checkgetrange_function (internal,
GST_DEBUG_FUNCPTR (gst_proxy_pad_do_checkgetrange));
}
GST_PROXY_LOCK (ret);
/* now make the ghostpad a parent of the internal pad */
if (!gst_object_set_parent (GST_OBJECT_CAST (internal),
GST_OBJECT_CAST (ret)))
goto parent_failed;
/* The ghostpad is the parent of the internal pad and is the only object that
* can have a refcount on the internal pad.
* At this point, the GstGhostPad has a refcount of 1, and the internal pad has
* a refcount of 1.
* When the refcount of the GstGhostPad drops to 0, the ghostpad will dispose
* it's refcount on the internal pad in the dispose method by un-parenting it.
* This is why we don't take extra refcounts in the assignments below
*/
GST_PROXY_PAD_INTERNAL (ret) = internal;
GST_PROXY_PAD_INTERNAL (internal) = ret;
/* could be more general here, iterating over all writable properties...
* taking the short road for now tho */
GST_GHOST_PAD_CAST (ret)->notify_id =
g_signal_connect (internal, "notify::caps", G_CALLBACK (on_int_notify),
ret);
/* call function to init values of the pad caps */
on_int_notify (internal, NULL, GST_GHOST_PAD_CAST (ret));
/* special activation functions for the internal pad */
gst_pad_set_activatepull_function (internal,
GST_DEBUG_FUNCPTR (gst_ghost_pad_internal_do_activate_pull));
gst_pad_set_activatepush_function (internal,
GST_DEBUG_FUNCPTR (gst_ghost_pad_internal_do_activate_push));
GST_PROXY_UNLOCK (ret);
return ret;
/* ERRORS */
parent_failed:
{
GST_WARNING_OBJECT (ret, "Could not set internal pad %s:%s",
GST_DEBUG_PAD_NAME (internal));
g_critical ("Could not set internal pad %s:%s",
GST_DEBUG_PAD_NAME (internal));
GST_PROXY_UNLOCK (ret);
gst_object_unref (ret);
gst_object_unref (internal);
return NULL;
}
}
