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mimdec: Ignore the timestamps inside the buffers

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This commit is contained in:
Olivier Crête 2009-07-16 16:06:26 -04:00
parent cee75e2c89
commit 5e051fa98a
2 changed files with 2 additions and 97 deletions
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97
ext/mimic/gstmimdec.c
View file

@ -68,8 +68,6 @@ static GstFlowReturn gst_mimdec_chain (GstPad * pad, GstBuffer * in);
static GstStateChangeReturn
gst_mimdec_change_state (GstElement * element, GstStateChange transition);
static gboolean gst_mimdec_sink_event (GstPad * pad, GstEvent * event);
GST_BOILERPLATE (GstMimDec, gst_mimdec, GstElement, GST_TYPE_ELEMENT);
@ -118,7 +116,6 @@ gst_mimdec_init (GstMimDec * mimdec, GstMimDecClass * klass)
"sink");
gst_element_add_pad (GST_ELEMENT (mimdec), mimdec->sinkpad);
gst_pad_set_chain_function (mimdec->sinkpad, gst_mimdec_chain);
gst_pad_set_event_function (mimdec->sinkpad, gst_mimdec_sink_event);
mimdec->srcpad =
gst_pad_new_from_template (gst_static_pad_template_get (&src_factory),
@ -154,6 +151,7 @@ gst_mimdec_chain (GstPad * pad, GstBuffer * in)
gint width, height;
GstCaps *caps;
GstFlowReturn res = GST_FLOW_OK;
GstClockTime in_time = GST_BUFFER_TIMESTAMP (in);
GST_DEBUG ("in gst_mimdec_chain");
@ -215,9 +213,6 @@ gst_mimdec_chain (GstPad * pad, GstBuffer * in)
(guchar *) gst_adapter_peek (mimdec->adapter, mimdec->payload_size);
if (mimdec->dec == NULL) {
GstEvent *event = NULL;
gboolean result = TRUE;
/* Check if its a keyframe, otherwise skip it */
if (GUINT32_FROM_LE (*((guint32 *) (frame_body + 12))) != 0) {
gst_adapter_flush (mimdec->adapter, mimdec->payload_size);
@ -259,20 +254,6 @@ gst_mimdec_chain (GstPad * pad, GstBuffer * in)
res = GST_FLOW_ERROR;
goto out;
}
if (mimdec->need_newsegment)
event = gst_event_new_new_segment (FALSE, 1.0, GST_FORMAT_TIME,
mimdec->current_ts * GST_MSECOND, -1, 0);
mimdec->need_newsegment = FALSE;
GST_OBJECT_UNLOCK (mimdec);
if (event)
result = gst_pad_push_event (mimdec->srcpad, event);
GST_OBJECT_LOCK (mimdec);
if (!result) {
GST_WARNING_OBJECT (mimdec, "gst_pad_push_event failed");
res = GST_FLOW_ERROR;
goto out;
}
}
out_buf = gst_buffer_new_and_alloc (mimdec->buffer_size);
@ -289,7 +270,7 @@ gst_mimdec_chain (GstPad * pad, GstBuffer * in)
goto out;
}
GST_BUFFER_TIMESTAMP (out_buf) = mimdec->current_ts * GST_MSECOND;
GST_BUFFER_TIMESTAMP (out_buf) = in_time;
mimic_get_property (mimdec->dec, "width", &width);
mimic_get_property (mimdec->dec, "height", &height);
@ -341,83 +322,9 @@ gst_mimdec_change_state (GstElement * element, GstStateChange transition)
GST_OBJECT_UNLOCK (element);
}
break;
case GST_STATE_CHANGE_READY_TO_PAUSED:
GST_OBJECT_LOCK (element);
mimdec->need_newsegment = TRUE;
GST_OBJECT_UNLOCK (element);
break;
default:
break;
}
return GST_ELEMENT_CLASS (parent_class)->change_state (element, transition);
}
static gboolean
gst_mimdec_sink_event (GstPad * pad, GstEvent * event)
{
gboolean res = TRUE;
GstMimDec *mimdec = GST_MIMDEC (gst_pad_get_parent (pad));
/*
* Ignore upstream newsegment event, its EVIL, we should implement
* proper seeking instead
*/
switch (GST_EVENT_TYPE (event)) {
case GST_EVENT_NEWSEGMENT:
{
gboolean update;
GstFormat format;
gdouble rate, arate;
gint64 start, stop, time;
gst_event_parse_new_segment_full (event, &update, &rate, &arate,
&format, &start, &stop, &time);
/* we need TIME and a positive rate */
if (format != GST_FORMAT_TIME)
goto newseg_wrong_format;
if (rate <= 0.0)
goto newseg_wrong_rate;
GST_OBJECT_LOCK (mimdec);
mimdec->need_newsegment = FALSE;
GST_OBJECT_UNLOCK (mimdec);
res = gst_pad_push_event (mimdec->srcpad, event);
}
break;
case GST_EVENT_FLUSH_STOP:
GST_OBJECT_LOCK (mimdec);
mimdec->need_newsegment = TRUE;
GST_OBJECT_UNLOCK (mimdec);
res = gst_pad_push_event (mimdec->srcpad, event);
break;
default:
res = gst_pad_push_event (mimdec->srcpad, event);
break;
}
done:
gst_object_unref (mimdec);
return res;
newseg_wrong_format:
{
GST_DEBUG_OBJECT (mimdec, "received non TIME newsegment");
gst_event_unref (event);
goto done;
}
newseg_wrong_rate:
{
GST_DEBUG_OBJECT (mimdec, "negative rates not supported yet");
gst_event_unref (event);
goto done;
}
}

2
ext/mimic/gstmimdec.h
View file

@ -57,8 +57,6 @@ struct _GstMimDec
gboolean have_header;
guint32 payload_size;
guint32 current_ts;
gboolean need_newsegment;
};
struct _GstMimDecClass