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Add passthru. Remove height/width parameters. Fix caps negotiation to automatically work with ranges in the output.

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Original commit message from CVS:
Add passthru.  Remove height/width parameters.  Fix caps negotiation
to automatically work with ranges in the output.
This commit is contained in:
David Schleef 2003-09-14 11:25:48 +00:00
parent a5755233e8
commit 6511cd71bb
2 changed files with 40 additions and 50 deletions
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85
gst/videoscale/gstvideoscale.c
View file

@ -46,8 +46,6 @@ enum {
enum {
ARG_0,
ARG_WIDTH,
ARG_HEIGHT,
ARG_METHOD,
/* FILL ME */
};
@ -112,12 +110,6 @@ gst_videoscale_class_init (GstVideoscaleClass *klass)
gobject_class = (GObjectClass*)klass;
gstelement_class = (GstElementClass*)klass;
g_object_class_install_property(G_OBJECT_CLASS(klass), ARG_WIDTH,
g_param_spec_int("width","width","width",
G_MININT,G_MAXINT,0,G_PARAM_READWRITE)); /* CHECKME */
g_object_class_install_property(G_OBJECT_CLASS(klass), ARG_HEIGHT,
g_param_spec_int("height","height","height",
G_MININT,G_MAXINT,0,G_PARAM_READWRITE)); /* CHECKME */
g_object_class_install_property(G_OBJECT_CLASS(klass), ARG_METHOD,
g_param_spec_enum("method","method","method",
GST_TYPE_VIDEOSCALE_METHOD,0,G_PARAM_READWRITE)); /* CHECKME! */
@ -290,6 +282,8 @@ gst_videoscale_src_link (GstPad *pad, GstCaps *caps)
gst_caps_set(peercaps, "width", GST_PROPS_INT_RANGE (0, G_MAXINT));
gst_caps_set(peercaps, "height", GST_PROPS_INT_RANGE (0, G_MAXINT));
g_print("setting caps to %s\n", gst_caps_to_string(peercaps));
ret = gst_pad_try_set_caps (videoscale->srcpad, peercaps);
gst_caps_unref(peercaps);
@ -311,43 +305,57 @@ gst_videoscale_sink_link (GstPad *pad, GstCaps *caps)
GstVideoscale *videoscale;
GstPadLinkReturn ret;
GstCaps *peercaps;
GstCaps *srccaps;
GstCaps *caps1;
GST_DEBUG ("gst_videoscale_src_link");
GST_DEBUG ("gst_videoscale_sink_link");
videoscale = GST_VIDEOSCALE (gst_pad_get_parent (pad));
if (!GST_CAPS_IS_FIXED (caps)) {
return GST_PAD_LINK_DELAYED;
}
videoscale->format = videoscale_find_by_caps (caps);
gst_caps_debug(caps,"ack");
g_return_val_if_fail(videoscale->format, GST_PAD_LINK_REFUSED);
ret = gst_pad_try_set_caps (videoscale->srcpad, gst_caps_copy(caps));
if (ret == GST_PAD_LINK_OK || ret == GST_PAD_LINK_DONE) {
videoscale->passthru = TRUE;
return ret;
}
videoscale->passthru = FALSE;
srccaps = gst_caps_copy(caps);
gst_caps_set(srccaps, "width", GST_PROPS_INT_RANGE (0, G_MAXINT));
gst_caps_set(srccaps, "height", GST_PROPS_INT_RANGE (0, G_MAXINT));
peercaps = gst_pad_get_allowed_caps(videoscale->srcpad);
caps1 = gst_caps_intersect(peercaps, srccaps);
if (!GST_CAPS_IS_FIXED (caps1)) {
/* FIXME */
return GST_PAD_LINK_DELAYED;
}
g_print("setting caps to %s\n", gst_caps_to_string(caps1));
ret = gst_pad_try_set_caps (videoscale->srcpad, caps1);
if (ret != GST_PAD_LINK_OK && ret != GST_PAD_LINK_DONE) {
return ret;
}
gst_caps_get_int (caps1, "width", &videoscale->to_width);
gst_caps_get_int (caps1, "height", &videoscale->to_height);
gst_caps_get_int (caps, "width", &videoscale->from_width);
gst_caps_get_int (caps, "height", &videoscale->from_height);
gst_caps_get_float (caps, "framerate", &videoscale->framerate);
peercaps = gst_caps_copy(caps);
caps = gst_pad_get_caps (videoscale->srcpad);
if(videoscale->force_size){
gst_caps_set(peercaps, "width", GST_PROPS_INT (videoscale->forced_width));
gst_caps_set(peercaps, "height", GST_PROPS_INT (videoscale->forced_height));
}else{
gst_caps_set(peercaps, "width", GST_PROPS_INT_RANGE (0, G_MAXINT));
gst_caps_set(peercaps, "height", GST_PROPS_INT_RANGE (0, G_MAXINT));
}
ret = gst_pad_try_set_caps (videoscale->srcpad, peercaps);
gst_caps_unref(peercaps);
if(ret==GST_PAD_LINK_OK){
caps = gst_pad_get_caps (videoscale->srcpad);
gst_caps_get_int (caps, "width", &videoscale->to_width);
gst_caps_get_int (caps, "height", &videoscale->to_height);
gst_videoscale_setup(videoscale);
}
gst_videoscale_setup(videoscale);
return ret;
}
@ -372,7 +380,6 @@ gst_videoscale_init (GstVideoscale *videoscale)
gst_pad_set_getcaps_function(videoscale->srcpad,gst_videoscale_getcaps);
videoscale->inited = FALSE;
videoscale->force_size = FALSE;
videoscale->method = GST_VIDEOSCALE_NEAREST;
/*videoscale->method = GST_VIDEOSCALE_BILINEAR; */
@ -448,14 +455,6 @@ gst_videoscale_set_property (GObject *object, guint prop_id, const GValue *value
GST_DEBUG ("gst_videoscale_set_property");
switch (prop_id) {
case ARG_WIDTH:
src->forced_width = g_value_get_int (value);
src->force_size = TRUE;
break;
case ARG_HEIGHT:
src->forced_height = g_value_get_int (value);
src->force_size = TRUE;
break;
case ARG_METHOD:
src->method = g_value_get_enum (value);
break;
@ -474,12 +473,6 @@ gst_videoscale_get_property (GObject *object, guint prop_id, GValue *value, GPar
src = GST_VIDEOSCALE(object);
switch (prop_id) {
case ARG_WIDTH:
g_value_set_int (value, src->forced_width);
break;
case ARG_HEIGHT:
g_value_set_int (value, src->forced_height);
break;
case ARG_METHOD:
g_value_set_enum (value, src->method);
break;

5
gst/videoscale/gstvideoscale.h
View file

@ -57,10 +57,6 @@ struct _GstVideoscale {
GstPad *sinkpad,*srcpad;
gboolean force_size;
gint forced_width;
gint forced_height;
/* video state */
gboolean inited;
struct videoscale_format_struct *format;
@ -69,6 +65,7 @@ struct _GstVideoscale {
gint from_width;
gint from_height;
gboolean passthru;
float framerate;
GstVideoScaleMethod method;