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alpha: Simplify caps transformation

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This commit is contained in:
Sebastian Dröge 2010-03-22 13:13:59 +01:00
parent cd6b4214a6
commit 2e043908de
1 changed files with 16 additions and 57 deletions
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73
gst/alpha/gstalpha.c
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@ -385,65 +385,24 @@ gst_alpha_transform_caps (GstBaseTransform * btrans,
ret = gst_caps_new_empty (); ret = gst_caps_new_empty ();
/* When going from the SINK pad to the src, we just need to make sure the for (i = 0; i < gst_caps_get_size (caps); i++) {
* format is AYUV or one of the ARGB variants */ structure = gst_structure_copy (gst_caps_get_structure (caps, i));
if (direction == GST_PAD_SINK) {
for (i = 0; i < gst_caps_get_size (caps); i++) {
structure = gst_structure_copy (gst_caps_get_structure (caps, i));
gst_structure_remove_field (structure, "format"); gst_structure_remove_field (structure, "format");
gst_structure_remove_field (structure, "endianness"); gst_structure_remove_field (structure, "endianness");
gst_structure_remove_field (structure, "depth"); gst_structure_remove_field (structure, "depth");
gst_structure_remove_field (structure, "bpp"); gst_structure_remove_field (structure, "bpp");
gst_structure_remove_field (structure, "red_mask"); gst_structure_remove_field (structure, "red_mask");
gst_structure_remove_field (structure, "green_mask"); gst_structure_remove_field (structure, "green_mask");
gst_structure_remove_field (structure, "blue_mask"); gst_structure_remove_field (structure, "blue_mask");
gst_structure_remove_field (structure, "alpha_mask"); gst_structure_remove_field (structure, "alpha_mask");
gst_structure_remove_field (structure, "color-matrix"); gst_structure_remove_field (structure, "color-matrix");
gst_structure_remove_field (structure, "chroma-site"); gst_structure_remove_field (structure, "chroma-site");
gst_structure_set_name (structure, "video/x-raw-yuv"); gst_structure_set_name (structure, "video/x-raw-yuv");
gst_structure_set (structure, "format", gst_caps_append_structure (ret, gst_structure_copy (structure));
GST_TYPE_FOURCC, GST_MAKE_FOURCC ('A', 'Y', 'U', 'V'), NULL); gst_structure_set_name (structure, "video/x-raw-rgb");
gst_caps_append_structure (ret, structure);
gst_caps_append_structure (ret, gst_structure_copy (structure));
gst_structure_remove_field (structure, "format");
gst_structure_set_name (structure, "video/x-raw-rgb");
gst_caps_append_structure (ret, structure);
}
} else {
/* In the other direction, prepend a copy of the caps with format AYUV,
* and set the first to I420 */
for (i = 0; i < gst_caps_get_size (caps); i++) {
structure = gst_structure_copy (gst_caps_get_structure (caps, i));
gst_structure_set_name (structure, "video/x-raw-yuv");
gst_structure_remove_field (structure, "format");
gst_structure_remove_field (structure, "endianness");
gst_structure_remove_field (structure, "depth");
gst_structure_remove_field (structure, "bpp");
gst_structure_remove_field (structure, "red_mask");
gst_structure_remove_field (structure, "green_mask");
gst_structure_remove_field (structure, "blue_mask");
gst_structure_remove_field (structure, "alpha_mask");
gst_structure_remove_field (structure, "color-matrix");
gst_structure_remove_field (structure, "chroma-site");
gst_structure_set (structure, "format",
GST_TYPE_FOURCC, GST_MAKE_FOURCC ('I', '4', '2', '0'), NULL);
gst_caps_append_structure (ret, gst_structure_copy (structure));
gst_structure_set (structure, "format",
GST_TYPE_FOURCC, GST_MAKE_FOURCC ('A', 'Y', 'U', 'V'), NULL);
gst_caps_append_structure (ret, gst_structure_copy (structure));
gst_structure_set_name (structure, "video/x-raw-rgb");
gst_structure_remove_field (structure, "format");
gst_caps_append_structure (ret, structure);
}
} }
gst_caps_do_simplify (ret); gst_caps_do_simplify (ret);