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vdpauvideopostprocess: implement basic qos handling

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This commit is contained in:
Carl-Anton Ingmarsson 2009-10-27 20:57:05 +01:00
parent 55b108f7ca
commit 51caa55d4e
2 changed files with 99 additions and 1 deletions
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96
sys/vdpau/gstvdpvideopostprocess.c
View file

@ -626,6 +626,9 @@ gst_vdp_vpp_start (GstVdpVideoPostProcess * vpp)
vpp->interlaced = FALSE;
vpp->field_duration = GST_CLOCK_TIME_NONE;
vpp->earliest_time = GST_CLOCK_TIME_NONE;
vpp->discont = FALSE;
vpp->mixer = VDP_INVALID_HANDLE;
vpp->device = NULL;
@ -654,8 +657,9 @@ gst_vdp_vpp_chain (GstPad * pad, GstBuffer * buffer)
GstVdpVideoPostProcess *vpp =
GST_VDP_VIDEO_POST_PROCESS (gst_pad_get_parent (pad));
GstFlowReturn ret = GST_FLOW_OK;
GstClockTime qostime;
GstFlowReturn ret = GST_FLOW_OK;
GstVdpPicture current_pic;
guint32 video_surfaces_past_count;
@ -664,6 +668,47 @@ gst_vdp_vpp_chain (GstPad * pad, GstBuffer * buffer)
guint32 video_surfaces_future_count;
VdpVideoSurface video_surfaces_future[MAX_PICTURES];
/* can only do QoS if the segment is in TIME */
if (vpp->segment.format != GST_FORMAT_TIME)
goto no_qos;
/* QOS is done on the running time of the buffer, get it now */
qostime = gst_segment_to_running_time (&vpp->segment, GST_FORMAT_TIME,
GST_BUFFER_TIMESTAMP (buffer));
if (qostime != -1) {
gboolean need_skip;
GstClockTime earliest_time;
/* lock for getting the QoS parameters that are set (in a different thread)
* with the QOS events */
GST_OBJECT_LOCK (vpp);
earliest_time = vpp->earliest_time;
/* check for QoS, don't perform conversion for buffers
* that are known to be late. */
need_skip = GST_CLOCK_TIME_IS_VALID (earliest_time) && qostime != -1 &&
qostime <= earliest_time;
GST_OBJECT_UNLOCK (vpp);
if (need_skip) {
GST_DEBUG_OBJECT (vpp, "skipping transform: qostime %"
GST_TIME_FORMAT " <= %" GST_TIME_FORMAT,
GST_TIME_ARGS (qostime), GST_TIME_ARGS (earliest_time));
/* mark discont for next buffer */
vpp->discont = TRUE;
gst_buffer_unref (buffer);
return GST_FLOW_OK;
}
}
no_qos:
if (vpp->discont) {
GST_BUFFER_FLAG_SET (buffer, GST_BUFFER_FLAG_DISCONT);
vpp->discont = FALSE;
}
if (G_UNLIKELY (GST_BUFFER_FLAG_IS_SET (buffer, GST_BUFFER_FLAG_DISCONT))) {
GST_DEBUG_OBJECT (vpp, "Received discont buffer");
gst_vdp_vpp_flush (vpp);
@ -902,6 +947,35 @@ video_buffer_error:
goto done;
}
static gboolean
gst_vdp_vpp_src_event (GstPad * pad, GstEvent * event)
{
GstVdpVideoPostProcess *vpp =
GST_VDP_VIDEO_POST_PROCESS (gst_pad_get_parent (pad));
gboolean res;
switch (GST_EVENT_TYPE (event)) {
case GST_EVENT_QOS:
{
gdouble proportion;
GstClockTimeDiff diff;
GstClockTime timestamp;
gst_event_parse_qos (event, &proportion, &diff, &timestamp);
GST_OBJECT_LOCK (vpp);
vpp->earliest_time = timestamp + diff;
GST_OBJECT_UNLOCK (vpp);
}
default:
res = gst_pad_event_default (pad, event);
}
gst_object_unref (vpp);
return res;
}
static gboolean
gst_vdp_vpp_sink_event (GstPad * pad, GstEvent * event)
{
@ -919,6 +993,23 @@ gst_vdp_vpp_sink_event (GstPad * pad, GstEvent * event)
break;
}
case GST_EVENT_NEWSEGMENT:
{
gboolean update;
gdouble rate, applied_rate;
GstFormat format;
gint64 start, stop, time;
gst_event_parse_new_segment_full (event, &update, &rate, &applied_rate,
&format, &start, &stop, &time);
GST_OBJECT_LOCK (vpp);
gst_segment_set_newsegment_full (&vpp->segment, update, rate,
applied_rate, format, start, stop, time);
GST_OBJECT_UNLOCK (vpp);
res = gst_pad_push_event (vpp->srcpad, event);
}
default:
res = gst_pad_event_default (pad, event);
}
@ -1189,6 +1280,9 @@ gst_vdp_vpp_init (GstVdpVideoPostProcess * vpp,
vpp->srcpad = gst_pad_new_from_static_template (&src_template, "src");
gst_element_add_pad (GST_ELEMENT (vpp), vpp->srcpad);
gst_pad_set_event_function (vpp->srcpad,
GST_DEBUG_FUNCPTR (gst_vdp_vpp_src_event));
/* SINK PAD */
sink_template =
gst_element_class_get_pad_template (GST_ELEMENT_CLASS (gclass), "sink");

4
sys/vdpau/gstvdpvideopostprocess.h
View file

@ -77,6 +77,10 @@ struct _GstVdpVideoPostProcess
gboolean interlaced;
GstClockTime field_duration;
GstSegment segment;
GstClockTime earliest_time;
gboolean discont;
GstVdpDevice *device;
VdpVideoMixer mixer;