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pcapparse: Set the GStreamer timestamp according to the pcap timestamps

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This commit is contained in:
Olivier Crête 2009-09-01 21:30:35 -04:00
parent 00f395e82f
commit a333fef08c
2 changed files with 41 additions and 0 deletions
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37
gst/pcapparse/gstpcapparse.c
View File

@ -87,6 +87,7 @@ static void gst_pcap_parse_set_property (GObject * object, guint prop_id,
static void gst_pcap_parse_reset (GstPcapParse * self); static void gst_pcap_parse_reset (GstPcapParse * self);
static GstFlowReturn gst_pcap_parse_chain (GstPad * pad, GstBuffer * buffer); static GstFlowReturn gst_pcap_parse_chain (GstPad * pad, GstBuffer * buffer);
static gboolean gst_pcap_sink_event (GstPad * pad, GstEvent * event);
GST_BOILERPLATE (GstPcapParse, gst_pcap_parse, GstElement, GST_TYPE_ELEMENT); GST_BOILERPLATE (GstPcapParse, gst_pcap_parse, GstElement, GST_TYPE_ELEMENT);
@ -146,6 +147,8 @@ gst_pcap_parse_init (GstPcapParse * self, GstPcapParseClass * gclass)
gst_pad_set_chain_function (self->sink_pad, gst_pad_set_chain_function (self->sink_pad,
GST_DEBUG_FUNCPTR (gst_pcap_parse_chain)); GST_DEBUG_FUNCPTR (gst_pcap_parse_chain));
gst_pad_use_fixed_caps (self->sink_pad); gst_pad_use_fixed_caps (self->sink_pad);
gst_pad_set_event_function (self->sink_pad,
GST_DEBUG_FUNCPTR (gst_pcap_sink_event));
gst_element_add_pad (GST_ELEMENT (self), self->sink_pad); gst_element_add_pad (GST_ELEMENT (self), self->sink_pad);
self->src_pad = gst_pad_new_from_static_template (&src_template, "src"); self->src_pad = gst_pad_new_from_static_template (&src_template, "src");
@ -261,6 +264,8 @@ gst_pcap_parse_reset (GstPcapParse * self)
self->swap_endian = FALSE; self->swap_endian = FALSE;
self->cur_packet_size = -1; self->cur_packet_size = -1;
self->buffer_offset = 0; self->buffer_offset = 0;
self->cur_ts = GST_CLOCK_TIME_NONE;
self->newsegment_sent = FALSE;
gst_adapter_clear (self->adapter); gst_adapter_clear (self->adapter);
} }
@ -402,7 +407,18 @@ gst_pcap_parse_chain (GstPad * pad, GstBuffer * buffer)
GST_PAD_CAPS (self->src_pad), &out_buf); GST_PAD_CAPS (self->src_pad), &out_buf);
if (ret == GST_FLOW_OK) { if (ret == GST_FLOW_OK) {
memcpy (GST_BUFFER_DATA (out_buf), payload_data, payload_size); memcpy (GST_BUFFER_DATA (out_buf), payload_data, payload_size);
GST_BUFFER_TIMESTAMP (out_buf) = self->cur_ts;
if (!self->newsegment_sent &&
GST_CLOCK_TIME_IS_VALID (self->cur_ts)) {
GstEvent *newsegment =
gst_event_new_new_segment (FALSE, 1, GST_FORMAT_TIME,
self->cur_ts, -1, 0);
gst_pad_push_event (self->src_pad, newsegment);
self->newsegment_sent = TRUE;
}
ret = gst_pad_push (self->src_pad, out_buf); ret = gst_pad_push (self->src_pad, out_buf);
@ -432,6 +448,7 @@ gst_pcap_parse_chain (GstPad * pad, GstBuffer * buffer)
gst_adapter_flush (self->adapter, 16); gst_adapter_flush (self->adapter, 16);
self->cur_ts = ts_sec * GST_SECOND + ts_usec * GST_USECOND;
self->cur_packet_size = incl_len; self->cur_packet_size = incl_len;
} }
} else { } else {
@ -464,6 +481,26 @@ gst_pcap_parse_chain (GstPad * pad, GstBuffer * buffer)
return ret; return ret;
} }
static gboolean
gst_pcap_sink_event (GstPad * pad, GstEvent * event)
{
gboolean ret = TRUE;
GstPcapParse *self = GST_PCAP_PARSE (gst_pad_get_parent (pad));
switch (GST_EVENT_TYPE (event)) {
case GST_EVENT_NEWSEGMENT:
/* Drop it, we'll replace it with our own */
break;
default:
ret = gst_pad_push_event (self->src_pad, event);
}
gst_object_unref (self);
return ret;
}
static gboolean static gboolean
plugin_init (GstPlugin * plugin) plugin_init (GstPlugin * plugin)
{ {

4
gst/pcapparse/gstpcapparse.h
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@ -70,6 +70,10 @@ struct _GstPcapParse
gboolean initialized; gboolean initialized;
gboolean swap_endian; gboolean swap_endian;
gint64 cur_packet_size; gint64 cur_packet_size;
GstClockTime cur_ts;
gboolean newsegment_sent;
gint64 buffer_offset; gint64 buffer_offset;
}; };