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bayer: fix _transform_caps method to preserve fields in given caps

Browse source 
https://bugzilla.gnome.org/show_bug.cgi?id=758717
This commit is contained in:
Joan Pau Beltran 2016-10-11 18:48:06 +02:00 committed by Nicolas Dufresne
parent 312c8c9f7c
commit 32b356b2c5
2 changed files with 47 additions and 60 deletions
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55
gst/bayer/gstbayer2rgb.c
View file

@ -286,42 +286,35 @@ static GstCaps *
gst_bayer2rgb_transform_caps (GstBaseTransform * base,
GstPadDirection direction, GstCaps * caps, GstCaps * filter)
{
GstBayer2RGB *bayer2rgb;
GstCaps *res_caps, *tmp_caps;
GstStructure *structure;
GstCaps *newcaps;
GstStructure *newstruct;
guint i, caps_size;
GST_DEBUG_OBJECT (base, "transforming caps from %" GST_PTR_FORMAT, caps);
bayer2rgb = GST_BAYER2RGB (base);
structure = gst_caps_get_structure (caps, 0);
if (direction == GST_PAD_SRC) {
newcaps = gst_caps_from_string ("video/x-bayer,"
"format=(string){bggr,grbg,gbrg,rggb}");
} else {
newcaps = gst_caps_new_empty_simple ("video/x-raw");
res_caps = gst_caps_copy (caps);
caps_size = gst_caps_get_size (res_caps);
for (i = 0; i < caps_size; i++) {
structure = gst_caps_get_structure (res_caps, i);
if (direction == GST_PAD_SINK) {
gst_structure_set_name (structure, "video/x-raw");
gst_structure_remove_field (structure, "format");
} else {
gst_structure_set_name (structure, "video/x-bayer");
gst_structure_remove_fields (structure, "format", "colorimetry",
"chroma-site", NULL);
}
}
newstruct = gst_caps_get_structure (newcaps, 0);
gst_structure_set_value (newstruct, "width",
gst_structure_get_value (structure, "width"));
gst_structure_set_value (newstruct, "height",
gst_structure_get_value (structure, "height"));
gst_structure_set_value (newstruct, "framerate",
gst_structure_get_value (structure, "framerate"));
if (filter != NULL) {
GstCaps *icaps;
GST_DEBUG_OBJECT (base, " filter %" GST_PTR_FORMAT, filter);
icaps = gst_caps_intersect_full (filter, newcaps, GST_CAPS_INTERSECT_FIRST);
gst_caps_unref (newcaps);
newcaps = icaps;
if (filter) {
tmp_caps = res_caps;
res_caps =
gst_caps_intersect_full (filter, tmp_caps, GST_CAPS_INTERSECT_FIRST);
gst_caps_unref (tmp_caps);
}
GST_DEBUG_OBJECT (base, " into %" GST_PTR_FORMAT, newcaps);
return newcaps;
GST_DEBUG_OBJECT (bayer2rgb, "transformed %" GST_PTR_FORMAT " into %"
GST_PTR_FORMAT, caps, res_caps);
return res_caps;
}
static gboolean

52
gst/bayer/gstrgb2bayer.c
View file

@ -126,41 +126,35 @@ static GstCaps *
gst_rgb2bayer_transform_caps (GstBaseTransform * trans,
GstPadDirection direction, GstCaps * caps, GstCaps * filter)
{
GstRGB2Bayer *rgb2bayer;
GstCaps *res_caps, *tmp_caps;
GstStructure *structure;
GstStructure *new_structure;
GstCaps *newcaps;
const GValue *value;
guint i, caps_size;
GST_DEBUG_OBJECT (trans, "transforming caps (from) %" GST_PTR_FORMAT, caps);
rgb2bayer = GST_RGB_2_BAYER (trans);
structure = gst_caps_get_structure (caps, 0);
if (direction == GST_PAD_SRC) {
newcaps = gst_caps_new_empty_simple ("video/x-raw");
} else {
newcaps = gst_caps_new_empty_simple ("video/x-bayer");
res_caps = gst_caps_copy (caps);
caps_size = gst_caps_get_size (res_caps);
for (i = 0; i < caps_size; i++) {
structure = gst_caps_get_structure (res_caps, i);
if (direction == GST_PAD_SRC) {
gst_structure_set_name (structure, "video/x-raw");
gst_structure_remove_field (structure, "format");
} else {
gst_structure_set_name (structure, "video/x-bayer");
gst_structure_remove_fields (structure, "format", "colorimetry",
"chroma-site", NULL);
}
}
new_structure = gst_caps_get_structure (newcaps, 0);
value = gst_structure_get_value (structure, "width");
gst_structure_set_value (new_structure, "width", value);
value = gst_structure_get_value (structure, "height");
gst_structure_set_value (new_structure, "height", value);
value = gst_structure_get_value (structure, "framerate");
gst_structure_set_value (new_structure, "framerate", value);
GST_DEBUG_OBJECT (trans, "transforming caps (into) %" GST_PTR_FORMAT,
newcaps);
if (filter) {
GstCaps *tmpcaps = newcaps;
newcaps = gst_caps_intersect (newcaps, filter);
gst_caps_unref (tmpcaps);
tmp_caps = res_caps;
res_caps =
gst_caps_intersect_full (filter, tmp_caps, GST_CAPS_INTERSECT_FIRST);
gst_caps_unref (tmp_caps);
}
return newcaps;
GST_DEBUG_OBJECT (rgb2bayer, "transformed %" GST_PTR_FORMAT " into %"
GST_PTR_FORMAT, caps, res_caps);
return res_caps;
}
static gboolean