static gboolean
kms_rtp_pay_tree_bin_configure (KmsRtpPayTreeBin * self, const GstCaps * caps)
{
KmsTreeBin *tree_bin = KMS_TREE_BIN (self);
GstElement *pay, *output_tee;
GstPad *pad;
pay = create_payloader_for_caps (caps);
if (pay == NULL) {
GST_WARNING_OBJECT (self, "Cannot find payloader for caps %" GST_PTR_FORMAT,
caps);
return FALSE;
}
GST_DEBUG_OBJECT (self, "Payloader found: %" GST_PTR_FORMAT, pay);
pad = gst_element_get_static_pad (pay, "sink");
kms_utils_drop_until_keyframe (pad, TRUE);
gst_object_unref (pad);
gst_bin_add (GST_BIN (self), pay);
gst_element_sync_state_with_parent (pay);
kms_tree_bin_set_input_element (tree_bin, pay);
output_tee = kms_tree_bin_get_output_tee (tree_bin);
gst_element_link (pay, output_tee);
return TRUE;
}
static void
kms_parse_tree_bin_configure (KmsParseTreeBin * self, const GstCaps * caps)
{
KmsTreeBin *tree_bin = KMS_TREE_BIN (self);
GstElement *output_tee;
self->priv->parser = create_parser_for_caps (caps);
gst_bin_add (GST_BIN (self), self->priv->parser);
gst_element_sync_state_with_parent (self->priv->parser);
kms_tree_bin_set_input_element (tree_bin, self->priv->parser);
output_tee = kms_tree_bin_get_output_tee (tree_bin);
gst_element_link_many (self->priv->parser, output_tee, NULL);
}
static gboolean
kms_enc_tree_bin_configure (KmsEncTreeBin * self, const GstCaps * caps,
gint target_bitrate)
{
KmsTreeBin *tree_bin = KMS_TREE_BIN (self);
GstElement *rate, *convert, *mediator, *output_tee, *capsfilter = NULL;
self->priv->current_bitrate = target_bitrate;
kms_enc_tree_bin_create_encoder_for_caps (self, caps, target_bitrate);
if (self->priv->enc == NULL) {
GST_WARNING_OBJECT (self, "Invalid encoder for caps: %" GST_PTR_FORMAT,
caps);
return FALSE;
}
GST_DEBUG_OBJECT (self, "Encoder found: %" GST_PTR_FORMAT, self->priv->enc);
self->priv->enc_sink = gst_element_get_static_pad (self->priv->enc, "sink");
self->priv->remb_manager =
kms_utils_remb_event_manager_create (self->priv->enc_sink);
kms_utils_remb_event_manager_set_callback (self->priv->remb_manager,
bitrate_callback, self, NULL);
gst_pad_add_probe (self->priv->enc_sink, GST_PAD_PROBE_TYPE_EVENT_DOWNSTREAM,
tag_event_probe, self, NULL);
rate = kms_utils_create_rate_for_caps (caps);
convert = kms_utils_create_convert_for_caps (caps);
mediator = kms_utils_create_mediator_element (caps);
gst_bin_add_many (GST_BIN (self), rate, convert, mediator, self->priv->enc,
NULL);
gst_element_sync_state_with_parent (self->priv->enc);
gst_element_sync_state_with_parent (mediator);
gst_element_sync_state_with_parent (convert);
gst_element_sync_state_with_parent (rate);
// FIXME: This is a hack to avoid an error on x264enc that does not work
// properly with some raw formats, this should be fixed in gstreamer
// but until this is done this hack makes it work
if (self->priv->enc_type == X264) {
GstCaps *filter_caps = gst_caps_from_string ("video/x-raw,format=I420");
GstPad *sink;
capsfilter = gst_element_factory_make ("capsfilter", NULL);
sink = gst_element_get_static_pad (capsfilter, "sink");
gst_pad_add_probe (sink, GST_PAD_PROBE_TYPE_EVENT_DOWNSTREAM,
check_caps_probe, NULL, NULL);
g_object_unref (sink);
g_object_set (capsfilter, "caps", filter_caps, NULL);
gst_caps_unref (filter_caps);
gst_bin_add (GST_BIN (self), capsfilter);
gst_element_sync_state_with_parent (capsfilter);
}
kms_tree_bin_set_input_element (tree_bin, rate);
output_tee = kms_tree_bin_get_output_tee (tree_bin);
if (self->priv->enc_type == X264) {
gst_element_link_many (rate, convert, mediator, capsfilter, self->priv->enc,
output_tee, NULL);
} else {
gst_element_link_many (rate, convert, mediator, self->priv->enc, output_tee,
NULL);
}
return TRUE;
}
