static GstPad *
gst_gl_mixer_bin_request_new_pad (GstElement * element, GstPadTemplate * templ,
const gchar * req_name, const GstCaps * caps)
{
GstGLMixerBin *self = GST_GL_MIXER_BIN (element);
GstPadTemplate *mixer_templ;
struct input_chain *chain;
GstPad *mixer_pad;
chain = g_new0 (struct input_chain, 1);
mixer_templ = _find_element_pad_template (self->mixer,
GST_PAD_TEMPLATE_DIRECTION (templ), GST_PAD_TEMPLATE_PRESENCE (templ));
g_return_val_if_fail (mixer_templ, NULL);
mixer_pad =
gst_element_request_pad (self->mixer, mixer_templ, req_name, NULL);
g_return_val_if_fail (mixer_pad, NULL);
if (!_create_input_chain (self, chain, mixer_pad)) {
gst_element_release_request_pad (self->mixer, mixer_pad);
_free_input_chain (chain);
return NULL;
}
GST_OBJECT_LOCK (element);
self->priv->input_chains = g_list_prepend (self->priv->input_chains, chain);
GST_OBJECT_UNLOCK (element);
gst_child_proxy_child_added (GST_CHILD_PROXY (self),
G_OBJECT (chain->ghost_pad), GST_OBJECT_NAME (chain->ghost_pad));
return GST_PAD (chain->ghost_pad);
}
/* Function for process the request pads */
GstPad *
gst_tidmai_base_video_dualencoder_request_new_pad (GstElement * element,
GstPadTemplate * templ, const gchar * req_name) {
GstPad *new_sink_pad = NULL;
GstTIDmaiBaseVideoDualEncoder *video_dualencoder =
GST_TI_DMAI_BASE_VIDEO_DUALENCODER(element);
gchar *pad_name = NULL;
GstTIDmaiBaseDualEncoder *base_dualencoder =
GST_TI_DMAI_BASE_DUALENCODER(video_dualencoder);
GstTIDmaiDualEncInstance *actual_instance;
if (G_UNLIKELY (templ->direction != GST_PAD_SINK)) {
g_warning ("base_video_dualencoder: request pad that is not a SINK pad");
return NULL;
}
/*if(!(templ == gst_element_class_get_pad_template (klass, "sink"))) {
GST_WARNING ("This is not our template!");
return NULL;
}*/
/* Determine the sink pad name */
if(NULL == base_dualencoder->low_resolution_encoder->collect) {
pad_name = "sinkA";
//src_pad_name = "srcA";
actual_instance = base_dualencoder->low_resolution_encoder;
}
else if(NULL == base_dualencoder->high_resolution_encoder->collect) {
pad_name = "sinkB";
//src_pad_name = "srcB";
actual_instance = base_dualencoder->high_resolution_encoder;
}
else {
GST_WARNING ("Can't determine the pad name or number of request is more than 2!");
return NULL;
}
/* Get the pad and set it*/
new_sink_pad = gst_tidmai_base_video_dualencoder_construct_pad(video_dualencoder, pad_name);
actual_instance->collect = gst_collect_pads_add_pad (base_dualencoder->collect_sink_pads, new_sink_pad,
sizeof(GstCollectData));
gst_pad_set_setcaps_function(
new_sink_pad, GST_DEBUG_FUNCPTR(gst_tidmai_base_video_dualencoder_sink_set_caps));
//actual_instance->src_pad = gst_tidmai_base_video_dualencoder_construct_pad(video_dualencoder, src_pad_name);
/* Add the pads to the dualencoder element */
gst_element_add_pad (element, new_sink_pad);
gst_child_proxy_child_added (GST_OBJECT (element), GST_OBJECT (new_sink_pad));
//gst_element_add_pad (element, actual_instance->src_pad);
return new_sink_pad;
}
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));
}
static GstPad *
gst_audiomixer_request_new_pad (GstElement * element, GstPadTemplate * templ,
const gchar * req_name, const GstCaps * caps)
{
GstAudioMixerPad *newpad;
newpad = (GstAudioMixerPad *)
GST_ELEMENT_CLASS (parent_class)->request_new_pad (element,
templ, req_name, caps);
if (newpad == NULL)
goto could_not_create;
gst_child_proxy_child_added (GST_CHILD_PROXY (element), G_OBJECT (newpad),
GST_OBJECT_NAME (newpad));
return GST_PAD_CAST (newpad);
could_not_create:
{
GST_DEBUG_OBJECT (element, "could not create/add pad");
return NULL;
}
}
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);
}
