static void gst_rtp_sbc_pay_finalize(GObject *object)
{
GstRtpSBCPay *sbcpay = GST_RTP_SBC_PAY(object);
g_object_unref(sbcpay->adapter);
GST_CALL_PARENT(G_OBJECT_CLASS, finalize, (object));
}
static gboolean gst_rtp_sbc_pay_handle_event(GstPad *pad,
GstEvent *event)
{
GstRtpSBCPay *sbcpay = GST_RTP_SBC_PAY(GST_PAD_PARENT(pad));
switch (GST_EVENT_TYPE(event)) {
case GST_EVENT_EOS:
gst_rtp_sbc_pay_flush_buffers(sbcpay);
break;
default:
break;
}
return FALSE;
}
static gboolean
gst_rtp_sbc_pay_sink_event (GstRTPBasePayload * payload, GstEvent * event)
{
GstRtpSBCPay *sbcpay = GST_RTP_SBC_PAY (payload);
switch (GST_EVENT_TYPE (event)) {
case GST_EVENT_EOS:
gst_rtp_sbc_pay_flush_buffers (sbcpay);
break;
default:
break;
}
return GST_RTP_BASE_PAYLOAD_CLASS (parent_class)->sink_event (payload, event);
}
static void gst_rtp_sbc_pay_get_property(GObject *object, guint prop_id,
GValue *value, GParamSpec *pspec)
{
GstRtpSBCPay *sbcpay;
sbcpay = GST_RTP_SBC_PAY(object);
switch (prop_id) {
case PROP_MIN_FRAMES:
g_value_set_int(value, sbcpay->min_frames);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID(object, prop_id, pspec);
break;
}
}
static GstFlowReturn
gst_rtp_sbc_pay_handle_buffer (GstRTPBasePayload * payload, GstBuffer * buffer)
{
GstRtpSBCPay *sbcpay;
guint available;
/* FIXME check for negotiation */
sbcpay = GST_RTP_SBC_PAY (payload);
sbcpay->timestamp = GST_BUFFER_PTS (buffer);
gst_adapter_push (sbcpay->adapter, buffer);
available = gst_adapter_available (sbcpay->adapter);
if (available + RTP_SBC_HEADER_TOTAL >=
GST_RTP_BASE_PAYLOAD_MTU (sbcpay) ||
(available > (sbcpay->min_frames * sbcpay->frame_length)))
return gst_rtp_sbc_pay_flush_buffers (sbcpay);
return GST_FLOW_OK;
}
static gboolean gst_rtp_sbc_pay_set_caps(GstBaseRTPPayload *payload,
GstCaps *caps)
{
GstRtpSBCPay *sbcpay;
gint rate, subbands, channels, blocks, bitpool;
gint frame_len;
const gchar *channel_mode;
GstStructure *structure;
sbcpay = GST_RTP_SBC_PAY(payload);
structure = gst_caps_get_structure(caps, 0);
if (!gst_structure_get_int(structure, "rate", &rate))
return FALSE;
if (!gst_structure_get_int(structure, "channels", &channels))
return FALSE;
if (!gst_structure_get_int(structure, "blocks", &blocks))
return FALSE;
if (!gst_structure_get_int(structure, "bitpool", &bitpool))
return FALSE;
if (!gst_structure_get_int(structure, "subbands", &subbands))
return FALSE;
channel_mode = gst_structure_get_string(structure, "mode");
if (!channel_mode)
return FALSE;
frame_len = gst_rtp_sbc_pay_get_frame_len(subbands, channels, blocks,
bitpool, channel_mode);
sbcpay->frame_length = frame_len;
gst_basertppayload_set_options(payload, "audio", TRUE, "SBC", rate);
GST_DEBUG_OBJECT(payload, "calculated frame length: %d ", frame_len);
return gst_basertppayload_set_outcaps(payload, NULL);
}
