static gboolean
gst_dshowvideodec_sink_event (GstPad * pad, GstEvent * event)
{
gboolean ret = TRUE;
GstDshowVideoDec *vdec = (GstDshowVideoDec *) gst_pad_get_parent (pad);
switch (GST_EVENT_TYPE (event)) {
case GST_EVENT_FLUSH_STOP:
gst_dshowvideodec_flush (vdec);
ret = gst_pad_event_default (pad, event);
break;
case GST_EVENT_NEWSEGMENT:
{
GstFormat format;
gdouble rate;
gint64 start, stop, time;
gboolean update;
gst_event_parse_new_segment (event, &update, &rate, &format, &start,
&stop, &time);
/* save the new segment in our local current segment */
gst_segment_set_newsegment (vdec->segment, update, rate, format, start,
stop, time);
GST_CAT_DEBUG_OBJECT (dshowvideodec_debug, vdec,
"new segment received => start=%" GST_TIME_FORMAT " stop=%"
GST_TIME_FORMAT, GST_TIME_ARGS (vdec->segment->start),
GST_TIME_ARGS (vdec->segment->stop));
if (update) {
GST_CAT_DEBUG_OBJECT (dshowvideodec_debug, vdec,
"closing current segment flushing..");
gst_dshowvideodec_flush (vdec);
}
ret = gst_pad_event_default (pad, event);
break;
}
default:
ret = gst_pad_event_default (pad, event);
break;
}
gst_object_unref (vdec);
return ret;
}
static GstFlowReturn
gst_dshowvideodec_chain (GstPad * pad, GstBuffer * buffer)
{
GstDshowVideoDec *vdec = (GstDshowVideoDec *) gst_pad_get_parent (pad);
bool discont = FALSE;
GstClockTime stop;
if (!vdec->setup) {
/* we are not setup */
GST_WARNING_OBJECT (vdec, "Decoder not set up, failing");
vdec->last_ret = GST_FLOW_FLUSHING;
goto beach;
}
if (GST_FLOW_IS_FATAL (vdec->last_ret)) {
GST_DEBUG_OBJECT (vdec, "last decoding iteration generated a fatal error "
"%s", gst_flow_get_name (vdec->last_ret));
goto beach;
}
/* check if duration is valid and use duration only when it's valid
/* because dshow is not decoding frames having stop smaller than start */
if (GST_BUFFER_DURATION_IS_VALID (buffer)) {
stop = GST_BUFFER_TIMESTAMP (buffer) + GST_BUFFER_DURATION (buffer);
} else {
stop = GST_BUFFER_TIMESTAMP (buffer);
}
GST_CAT_LOG_OBJECT (dshowvideodec_debug, vdec,
"chain (size %d)=> pts %" GST_TIME_FORMAT " stop %" GST_TIME_FORMAT,
GST_BUFFER_SIZE (buffer), GST_TIME_ARGS (GST_BUFFER_TIMESTAMP (buffer)),
GST_TIME_ARGS (stop));
/* if the incoming buffer has discont flag set => flush decoder data */
if (buffer && GST_BUFFER_FLAG_IS_SET (buffer, GST_BUFFER_FLAG_DISCONT)) {
GST_CAT_DEBUG_OBJECT (dshowvideodec_debug, vdec,
"this buffer has a DISCONT flag (%" GST_TIME_FORMAT "), flushing",
GST_TIME_ARGS (GST_BUFFER_TIMESTAMP (buffer)));
gst_dshowvideodec_flush (vdec);
discont = TRUE;
}
/* push the buffer to the directshow decoder */
vdec->fakesrc->GetOutputPin()->PushBuffer(
GST_BUFFER_DATA (buffer), GST_BUFFER_TIMESTAMP (buffer), stop,
GST_BUFFER_SIZE (buffer), discont);
beach:
gst_buffer_unref (buffer);
gst_object_unref (vdec);
return vdec->last_ret;
}
