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mpvpay: fix flushing and discont

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Fix flushing and disconts.
Clean up in state changes.
This commit is contained in:
Wim Taymans 2010-12-30 16:22:48 +01:00
parent 3a66829087
commit 756869421c
1 changed files with 80 additions and 2 deletions
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82
gst/rtp/gstrtpmpvpay.c
View file

@ -48,12 +48,17 @@ GST_STATIC_PAD_TEMPLATE ("src",
"clock-rate = (int) 90000, " "encoding-name = (string) \"MPV\"")
);
static GstStateChangeReturn gst_rtp_mpv_pay_change_state (GstElement * element,
GstStateChange transition);
static void gst_rtp_mpv_pay_finalize (GObject * object);
static GstFlowReturn gst_rtp_mpv_pay_flush (GstRTPMPVPay * rtpmpvpay);
static gboolean gst_rtp_mpv_pay_setcaps (GstBaseRTPPayload * payload,
GstCaps * caps);
static GstFlowReturn gst_rtp_mpv_pay_handle_buffer (GstBaseRTPPayload *
payload, GstBuffer * buffer);
static GstFlowReturn gst_rtp_mpv_pay_flush (GstRTPMPVPay * rtpmpvpay);
static void gst_rtp_mpv_pay_finalize (GObject * object);
static gboolean gst_rtp_mpv_pay_handle_event (GstPad * pad, GstEvent * event);
GST_BOILERPLATE (GstRTPMPVPay, gst_rtp_mpv_pay, GstBaseRTPPayload,
GST_TYPE_BASE_RTP_PAYLOAD);
@ -77,15 +82,20 @@ static void
gst_rtp_mpv_pay_class_init (GstRTPMPVPayClass * klass)
{
GObjectClass *gobject_class;
GstElementClass *gstelement_class;
GstBaseRTPPayloadClass *gstbasertppayload_class;
gobject_class = (GObjectClass *) klass;
gstelement_class = (GstElementClass *) klass;
gstbasertppayload_class = (GstBaseRTPPayloadClass *) klass;
gobject_class->finalize = gst_rtp_mpv_pay_finalize;
gstelement_class->change_state = gst_rtp_mpv_pay_change_state;
gstbasertppayload_class->set_caps = gst_rtp_mpv_pay_setcaps;
gstbasertppayload_class->handle_buffer = gst_rtp_mpv_pay_handle_buffer;
gstbasertppayload_class->handle_event = gst_rtp_mpv_pay_handle_event;
GST_DEBUG_CATEGORY_INIT (rtpmpvpay_debug, "rtpmpvpay", 0,
"MPEG2 ES Video RTP Payloader");
@ -113,6 +123,15 @@ gst_rtp_mpv_pay_finalize (GObject * object)
G_OBJECT_CLASS (parent_class)->finalize (object);
}
static void
gst_rtp_mpv_pay_reset (GstRTPMPVPay * pay)
{
pay->first_ts = -1;
pay->duration = 0;
gst_adapter_clear (pay->adapter);
GST_DEBUG_OBJECT (pay, "reset depayloader");
}
static gboolean
gst_rtp_mpv_pay_setcaps (GstBaseRTPPayload * payload, GstCaps * caps)
{
@ -120,6 +139,31 @@ gst_rtp_mpv_pay_setcaps (GstBaseRTPPayload * payload, GstCaps * caps)
return gst_basertppayload_set_outcaps (payload, NULL);
}
static gboolean
gst_rtp_mpv_pay_handle_event (GstPad * pad, GstEvent * event)
{
GstRTPMPVPay *rtpmpvpay;
rtpmpvpay = GST_RTP_MPV_PAY (gst_pad_get_parent (pad));
switch (GST_EVENT_TYPE (event)) {
case GST_EVENT_EOS:
/* make sure we push the last packets in the adapter on EOS */
gst_rtp_mpv_pay_flush (rtpmpvpay);
break;
case GST_EVENT_FLUSH_STOP:
gst_rtp_mpv_pay_reset (rtpmpvpay);
break;
default:
break;
}
gst_object_unref (rtpmpvpay);
/* FALSE to let the parent handle the event as well */
return FALSE;
}
static GstFlowReturn
gst_rtp_mpv_pay_flush (GstRTPMPVPay * rtpmpvpay)
{
@ -191,6 +235,11 @@ gst_rtp_mpv_pay_handle_buffer (GstBaseRTPPayload * basepayload,
timestamp = GST_BUFFER_TIMESTAMP (buffer);
duration = GST_BUFFER_DURATION (buffer);
if (GST_BUFFER_IS_DISCONT (buffer)) {
GST_DEBUG_OBJECT (rtpmpvpay, "DISCONT");
gst_rtp_mpv_pay_reset (rtpmpvpay);
}
avail = gst_adapter_available (rtpmpvpay->adapter);
if (duration == -1)
@ -224,6 +273,35 @@ gst_rtp_mpv_pay_handle_buffer (GstBaseRTPPayload * basepayload,
return ret;
}
static GstStateChangeReturn
gst_rtp_mpv_pay_change_state (GstElement * element, GstStateChange transition)
{
GstRTPMPVPay *rtpmpvpay;
GstStateChangeReturn ret;
rtpmpvpay = GST_RTP_MPV_PAY (element);
switch (transition) {
case GST_STATE_CHANGE_READY_TO_PAUSED:
gst_rtp_mpv_pay_reset (rtpmpvpay);
break;
default:
break;
}
ret = GST_ELEMENT_CLASS (parent_class)->change_state (element, transition);
switch (transition) {
case GST_STATE_CHANGE_PAUSED_TO_READY:
gst_rtp_mpv_pay_reset (rtpmpvpay);
break;
default:
break;
}
return ret;
}
gboolean
gst_rtp_mpv_pay_plugin_init (GstPlugin * plugin)
{