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mpapay: reset payloader on flush

Browse source 
Reset the payloader on a flush event.
Handle DISCONT better.
This commit is contained in:
Wim Taymans 2010-12-20 16:05:36 +01:00
parent eb6d552353
commit 984849f8fe
1 changed files with 50 additions and 9 deletions
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59
gst/rtp/gstrtpmpapay.c
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@ -52,6 +52,7 @@ static void gst_rtp_mpa_pay_finalize (GObject * object);
static gboolean gst_rtp_mpa_pay_setcaps (GstBaseRTPPayload * payload,
GstCaps * caps);
static gboolean gst_rtp_mpa_pay_handle_event (GstPad * pad, GstEvent * event);
static GstFlowReturn gst_rtp_mpa_pay_handle_buffer (GstBaseRTPPayload * payload,
GstBuffer * buffer);
@ -85,6 +86,7 @@ gst_rtp_mpa_pay_class_init (GstRtpMPAPayClass * klass)
gobject_class->finalize = gst_rtp_mpa_pay_finalize;
gstbasertppayload_class->set_caps = gst_rtp_mpa_pay_setcaps;
gstbasertppayload_class->handle_event = gst_rtp_mpa_pay_handle_event;
gstbasertppayload_class->handle_buffer = gst_rtp_mpa_pay_handle_buffer;
}
@ -107,6 +109,15 @@ gst_rtp_mpa_pay_finalize (GObject * object)
G_OBJECT_CLASS (parent_class)->finalize (object);
}
static void
gst_rtp_mpa_pay_reset (GstRtpMPAPay * pay)
{
pay->first_ts = -1;
pay->duration = 0;
gst_adapter_clear (pay->adapter);
GST_DEBUG_OBJECT (pay, "reset depayloader");
}
static gboolean
gst_rtp_mpa_pay_setcaps (GstBaseRTPPayload * payload, GstCaps * caps)
{
@ -118,6 +129,27 @@ gst_rtp_mpa_pay_setcaps (GstBaseRTPPayload * payload, GstCaps * caps)
return res;
}
static gboolean
gst_rtp_mpa_pay_handle_event (GstPad * pad, GstEvent * event)
{
GstRtpMPAPay *rtpmpapay;
rtpmpapay = GST_RTP_MPA_PAY (gst_pad_get_parent (pad));
switch (GST_EVENT_TYPE (event)) {
case GST_EVENT_FLUSH_STOP:
gst_rtp_mpa_pay_reset (rtpmpapay);
break;
default:
break;
}
gst_object_unref (rtpmpapay);
/* FALSE to let the parent handle the event as well */
return FALSE;
}
static GstFlowReturn
gst_rtp_mpa_pay_flush (GstRtpMPAPay * rtpmpapay)
{
@ -143,7 +175,7 @@ gst_rtp_mpa_pay_flush (GstRtpMPAPay * rtpmpapay)
guint payload_len;
guint packet_len;
/* this will be the total lenght of the packet */
/* this will be the total length of the packet */
packet_len = gst_rtp_buffer_calc_packet_len (4 + avail, 0, 0);
/* fill one MTU or all available bytes */
@ -198,18 +230,20 @@ gst_rtp_mpa_pay_handle_buffer (GstBaseRTPPayload * basepayload,
GstFlowReturn ret;
guint size, avail;
guint packet_len;
GstClockTime duration;
GstClockTime duration, timestamp;
rtpmpapay = GST_RTP_MPA_PAY (basepayload);
size = GST_BUFFER_SIZE (buffer);
duration = GST_BUFFER_DURATION (buffer);
timestamp = GST_BUFFER_TIMESTAMP (buffer);
if (GST_BUFFER_IS_DISCONT (buffer)) {
GST_DEBUG_OBJECT (rtpmpapay, "DISCONT");
gst_rtp_mpa_pay_reset (rtpmpapay);
}
avail = gst_adapter_available (rtpmpapay->adapter);
if (avail == 0) {
rtpmpapay->first_ts = GST_BUFFER_TIMESTAMP (buffer);
rtpmpapay->duration = 0;
}
/* get packet length of previous data and this new data,
* payload length includes a 4 byte header */
@ -220,14 +254,21 @@ gst_rtp_mpa_pay_handle_buffer (GstBaseRTPPayload * basepayload,
if (gst_basertppayload_is_filled (basepayload,
packet_len, rtpmpapay->duration + duration)) {
ret = gst_rtp_mpa_pay_flush (rtpmpapay);
rtpmpapay->first_ts = GST_BUFFER_TIMESTAMP (buffer);
rtpmpapay->duration = 0;
avail = 0;
} else {
ret = GST_FLOW_OK;
}
if (avail == 0) {
GST_DEBUG_OBJECT (rtpmpapay,
"first packet, save timestamp %" GST_TIME_FORMAT,
GST_TIME_ARGS (timestamp));
rtpmpapay->first_ts = timestamp;
rtpmpapay->duration = 0;
}
gst_adapter_push (rtpmpapay->adapter, buffer);
rtpmpapay->duration += duration;
rtpmpapay->duration = duration;
return ret;
}