mirrors/gstreamer
mirrors/gstreamer
1
1
Fork 0
mirror of https://gitlab.freedesktop.org/gstreamer/gstreamer.git synced 2025-02-17 03:35:21 +00:00
Code Issues 1 Projects Releases Wiki Activity

videorate: Update for negotiation related API changes

Browse source
This commit is contained in:
Sebastian Dröge 2011-05-16 12:01:14 +02:00
parent 7330318e2f
commit e21ec369f0
1 changed files with 38 additions and 20 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

58
gst/videorate/gstvideorate.c
View file

@ -200,7 +200,7 @@ gst_video_rate_class_init (GstVideoRateClass * klass)
/* return the caps that can be used on out_pad given in_caps on in_pad */ /* return the caps that can be used on out_pad given in_caps on in_pad */
static gboolean static gboolean
gst_video_rate_transformcaps (GstPad * in_pad, GstCaps * in_caps, gst_video_rate_transformcaps (GstPad * in_pad, GstCaps * in_caps,
GstPad * out_pad, GstCaps ** out_caps) GstPad * out_pad, GstCaps ** out_caps, GstCaps * filter)
{ {
GstCaps *intersect; GstCaps *intersect;
const GstCaps *in_templ; const GstCaps *in_templ;
@ -209,7 +209,8 @@ gst_video_rate_transformcaps (GstPad * in_pad, GstCaps * in_caps,
GSList *iter; GSList *iter;
in_templ = gst_pad_get_pad_template_caps (in_pad); in_templ = gst_pad_get_pad_template_caps (in_pad);
intersect = gst_caps_intersect (in_caps, in_templ); intersect =
gst_caps_intersect_full (in_caps, in_templ, GST_CAPS_INTERSECT_FIRST);
/* all possible framerates are allowed */ /* all possible framerates are allowed */
for (i = 0; i < gst_caps_get_size (intersect); i++) { for (i = 0; i < gst_caps_get_size (intersect); i++) {
@ -233,13 +234,21 @@ gst_video_rate_transformcaps (GstPad * in_pad, GstCaps * in_caps,
} }
g_slist_free (extra_structures); g_slist_free (extra_structures);
if (filter) {
GstCaps *tmp;
tmp = gst_caps_intersect_full (filter, intersect, GST_CAPS_INTERSECT_FIRST);
gst_caps_unref (intersect);
intersect = tmp;
}
*out_caps = intersect; *out_caps = intersect;
return TRUE; return TRUE;
} }
static GstCaps * static GstCaps *
gst_video_rate_getcaps (GstPad * pad) gst_video_rate_getcaps (GstPad * pad, GstCaps * filter)
{ {
GstVideoRate *videorate; GstVideoRate *videorate;
GstPad *otherpad; GstPad *otherpad;
@ -251,16 +260,31 @@ gst_video_rate_getcaps (GstPad * pad)
videorate->srcpad; videorate->srcpad;
/* we can do what the peer can */ /* we can do what the peer can */
caps = gst_pad_peer_get_caps (otherpad); caps = gst_pad_peer_get_caps (otherpad, filter);
if (caps) { if (caps) {
GstCaps *transform; GstCaps *transform, *intersect;
gst_video_rate_transformcaps (otherpad, caps, pad, &transform); gst_video_rate_transformcaps (otherpad, caps, pad, &transform, filter);
gst_caps_unref (caps);
caps = transform; /* Now prefer the downstream caps if possible */
intersect =
gst_caps_intersect_full (caps, transform, GST_CAPS_INTERSECT_FIRST);
if (!gst_caps_is_empty (intersect)) {
gst_caps_append (intersect, transform);
gst_caps_unref (caps);
caps = intersect;
} else {
gst_caps_unref (intersect);
caps = transform;
}
} else { } else {
/* no peer, our padtemplate is enough then */ /* no peer, our padtemplate is enough then */
caps = gst_caps_copy (gst_pad_get_pad_template_caps (pad)); if (filter)
caps =
gst_caps_intersect_full (filter, gst_pad_get_pad_template_caps (pad),
GST_CAPS_INTERSECT_FIRST);
else
caps = gst_caps_copy (gst_pad_get_pad_template_caps (pad));
} }
return caps; return caps;
@ -313,27 +337,20 @@ gst_video_rate_setcaps (GstPad * pad, GstCaps * caps)
ret = TRUE; ret = TRUE;
} else { } else {
GstCaps *peercaps;
GstCaps *transform = NULL; GstCaps *transform = NULL;
ret = FALSE; ret = FALSE;
/* see how we can transform the input caps */ /* see how we can transform the input caps */
if (!gst_video_rate_transformcaps (pad, caps, otherpad, &transform)) if (!gst_video_rate_transformcaps (pad, caps, otherpad, &transform, NULL))
goto no_transform; goto no_transform;
/* see what the peer can do */
peercaps = gst_pad_get_caps (opeer);
GST_DEBUG_OBJECT (opeer, "icaps %" GST_PTR_FORMAT, peercaps);
GST_DEBUG_OBJECT (videorate, "transform %" GST_PTR_FORMAT, transform); GST_DEBUG_OBJECT (videorate, "transform %" GST_PTR_FORMAT, transform);
/* filter against our possibilities */ /* see what the peer can do */
caps = gst_caps_intersect (peercaps, transform); caps = gst_pad_get_caps (opeer, transform);
gst_caps_unref (peercaps);
gst_caps_unref (transform);
GST_DEBUG_OBJECT (videorate, "intersect %" GST_PTR_FORMAT, caps); GST_DEBUG_OBJECT (opeer, "icaps %" GST_PTR_FORMAT, caps);
/* could turn up empty, due to e.g. colorspace etc */ /* could turn up empty, due to e.g. colorspace etc */
if (gst_caps_get_size (caps) == 0) { if (gst_caps_get_size (caps) == 0) {
@ -342,6 +359,7 @@ gst_video_rate_setcaps (GstPad * pad, GstCaps * caps)
} }
/* take first possibility */ /* take first possibility */
caps = gst_caps_make_writable (caps);
gst_caps_truncate (caps); gst_caps_truncate (caps);
structure = gst_caps_get_structure (caps, 0); structure = gst_caps_get_structure (caps, 0);