This is an automated email from the git hooks/post-receive script.
git pushed a commit to branch master
in repository legacy-imlib2.
View the commit online.
commit 98339a570865857ef31c7ec2c193491768e6bfb4
Author: Chema Gonzalez <che...@meta.com>
AuthorDate: Thu Apr 11 09:32:51 2024 -0700
Y4M loader: add support for full range color
---
src/modules/loaders/loader_y4m.c | 43 +++++++++++++++++++++++++++++++------
test/images/icon-64.full_range.y4m | Bin 0 -> 775 bytes
2 files changed, 37 insertions(+), 6 deletions(-)
diff --git a/src/modules/loaders/loader_y4m.c b/src/modules/loaders/loader_y4m.c
index 3ec517c..89040cd 100644
--- a/src/modules/loaders/loader_y4m.c
+++ b/src/modules/loaders/loader_y4m.c
@@ -62,6 +62,11 @@ typedef struct {
Y4M_PARSE_ASPECT_32_27,
Y4M_PARSE_ASPECT_OTHER,
} aspect;
+ enum {
+ Y4M_PARSE_RANGE_UNSPECIFIED,
+ Y4M_PARSE_RANGE_LIMITED,
+ Y4M_PARSE_RANGE_FULL,
+ } range;
const void *frame_data;
ptrdiff_t frame_data_len;
@@ -224,9 +229,26 @@ y4m__parse_params(Y4mParse *res, const uint8_t **start, const uint8_t *end)
;
}
break;
- case 'X': /* comments ignored */
- for (; p < end && *p != ' ' && *p != '\n'; ++p)
- ;
+ case 'X':
+ if (y4m__match("COLORRANGE=LIMITED", 18, &p, end))
+ res->range = Y4M_PARSE_RANGE_LIMITED;
+ else if (y4m__match("COLORRANGE=FULL", 15, &p, end))
+ res->range = Y4M_PARSE_RANGE_FULL;
+ else if (y4m__match("COLORRANGE=", 11, &p, end))
+ {
+#if IMLIB2_DEBUG
+ char str[1024];
+ sscanf(pp, "%s", str);
+ D("%s: unknown color range: '%s'\n", __func__, str);
+#endif
+ return Y4M_PARSE_UNSUPPORTED;
+ }
+ else
+ {
+ /* other comments ignored */
+ for (; p < end && *p != ' ' && *p != '\n'; ++p)
+ ;
+ }
break;
default:
return Y4M_PARSE_CORRUPTED;
@@ -402,16 +424,25 @@ _load(ImlibImage *im, int load_data)
conv = conv_mono;
break;
case Y4M_PARSE_CS_422:
- conv = I422ToARGB;
+ if (y4m.range == Y4M_PARSE_RANGE_FULL)
+ conv = J422ToARGB;
+ else
+ conv = I422ToARGB;
break;
case Y4M_PARSE_CS_444:
- conv = I444ToARGB;
+ if (y4m.range == Y4M_PARSE_RANGE_FULL)
+ conv = J444ToARGB;
+ else
+ conv = I444ToARGB;
break;
case Y4M_PARSE_CS_420JPEG:
case Y4M_PARSE_CS_420MPEG2:
case Y4M_PARSE_CS_420PALDV:
case Y4M_PARSE_CS_420:
- conv = I420ToARGB;
+ if (y4m.range == Y4M_PARSE_RANGE_FULL)
+ conv = J420ToARGB;
+ else
+ conv = I420ToARGB;
break;
default:
DL("colour_space: %d\n", y4m.colour_space);
diff --git a/test/images/icon-64.full_range.y4m b/test/images/icon-64.full_range.y4m
new file mode 100644
index 0000000..5f548bf
Binary files /dev/null and b/test/images/icon-64.full_range.y4m differ
--
To stop receiving notification emails like this one, please contact
the administrator of this repository.
