mirrors/gstreamer
mirrors/gstreamer
1
1
Fork 0
mirror of https://gitlab.freedesktop.org/gstreamer/gstreamer.git synced 2024-11-28 04:31:06 +00:00
Code Issues 1 Projects Releases Wiki Activity

[MOVED FROM BAD 15/56] gst/deinterlace2/gstdeinterlace2.c: If we're outputting all fields the framerate has to be doubled.

Browse source 
Original commit message from CVS:
* gst/deinterlace2/gstdeinterlace2.c:
(gst_deinterlace2_set_property), (gst_deinterlace2_chain),
(gst_deinterlace2_setcaps):
If we're outputting all fields the framerate has to be doubled.
Set duration on the outgoing buffers.
This commit is contained in:
Sebastian Dröge 2008-06-27 13:22:34 +00:00 committed by Sebastian Dröge
parent 75bb2fcba8
commit 07f408a3ea
1 changed files with 46 additions and 13 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

59
gst/deinterlace2/gstdeinterlace2.c
View file

@ -337,9 +337,18 @@ gst_deinterlace2_set_property (GObject * _object, guint prop_id,
case ARG_METHOD:
gst_deinterlace2_set_method (object, g_value_get_enum (value));
break;
case ARG_FIELDS:
case ARG_FIELDS:{
gint oldfields;
GST_OBJECT_LOCK (object);
oldfields = object->fields;
object->fields = g_value_get_enum (value);
if (object->fields != oldfields && GST_PAD_CAPS (object->srcpad))
gst_deinterlace2_setcaps (object->sinkpad,
GST_PAD_CAPS (object->sinkpad));
GST_OBJECT_UNLOCK (object);
break;
}
case ARG_FIELD_LAYOUT:
object->field_layout = g_value_get_enum (value);
break;
@ -624,6 +633,12 @@ gst_deinterlace2_chain (GstPad * pad, GstBuffer * buf)
gst_buffer_unref (buf);
GST_BUFFER_TIMESTAMP (object->out_buf) = timestamp;
GST_BUFFER_DURATION (object->out_buf) =
GST_SECOND / object->frame_rate_d / object->frame_rate_n;
if (object->fields == GST_DEINTERLACE2_ALL)
GST_BUFFER_DURATION (object->out_buf) =
GST_BUFFER_DURATION (object->out_buf) / 2;
ret = gst_pad_push (object->srcpad, object->out_buf);
object->out_buf = NULL;
if (ret != GST_FLOW_OK)
@ -662,6 +677,12 @@ gst_deinterlace2_chain (GstPad * pad, GstBuffer * buf)
gst_buffer_unref (buf);
GST_BUFFER_TIMESTAMP (object->out_buf) = timestamp;
GST_BUFFER_DURATION (object->out_buf) =
GST_SECOND / object->frame_rate_d / object->frame_rate_n;
if (object->fields == GST_DEINTERLACE2_ALL)
GST_BUFFER_DURATION (object->out_buf) =
GST_BUFFER_DURATION (object->out_buf) / 2;
ret = gst_pad_push (object->srcpad, object->out_buf);
object->out_buf = NULL;
@ -676,8 +697,6 @@ gst_deinterlace2_chain (GstPad * pad, GstBuffer * buf)
buf = gst_deinterlace2_pop_history (object);
gst_buffer_unref (buf);
}
} else {
object->out_buf = gst_deinterlace2_pop_history (object);
ret = gst_pad_push (object->srcpad, object->out_buf);
@ -694,23 +713,15 @@ static gboolean
gst_deinterlace2_setcaps (GstPad * pad, GstCaps * caps)
{
gboolean res = TRUE;
GstDeinterlace2 *object = GST_DEINTERLACE2 (gst_pad_get_parent (pad));
GstPad *otherpad;
GstStructure *structure;
GstVideoFormat fmt;
guint32 fourcc;
GstCaps *othercaps;
otherpad = (pad == object->srcpad) ? object->sinkpad : object->srcpad;
if (!gst_pad_accept_caps (otherpad, caps)
|| !gst_pad_set_caps (otherpad, caps))
goto caps_not_accepted;
structure = gst_caps_get_structure (caps, 0);
res = gst_structure_get_int (structure, "width", &object->frame_width);
@ -723,6 +734,27 @@ gst_deinterlace2_setcaps (GstPad * pad, GstCaps * caps)
if (!res)
goto invalid_caps;
if (object->fields == GST_DEINTERLACE2_ALL) {
gint fps_n = object->frame_rate_n, fps_d = object->frame_rate_d;
othercaps = gst_caps_copy (caps);
if (otherpad == object->srcpad)
fps_n *= 2;
else
fps_d *= 2;
gst_caps_set_simple (othercaps, "framerate", GST_TYPE_FRACTION, fps_n,
fps_d, NULL);
} else {
othercaps = gst_caps_ref (caps);
}
if ( /*!gst_pad_accept_caps (otherpad, othercaps)
|| */ !gst_pad_set_caps (otherpad, othercaps))
goto caps_not_accepted;
gst_caps_unref (othercaps);
/* TODO: introduce object->field_stride */
object->field_height = object->frame_height / 2;
@ -756,7 +788,8 @@ invalid_caps:
caps_not_accepted:
res = FALSE;
GST_ERROR_OBJECT (object, "Caps not accepted: %" GST_PTR_FORMAT, caps);
GST_ERROR_OBJECT (object, "Caps not accepted: %" GST_PTR_FORMAT, othercaps);
gst_caps_unref (othercaps);
goto done;
}