HEIF codecs check in test suite (#676)

Use the heif_have_decoder_for_format and heif_have_encoder_for_format
functions to find if HEVC decoding/encoding is supported by libheif.

Fixes #675.

2 files changed, 10 insertions, 0 deletions

diff --git a/tests/heif/heif_im2im.c b/tests/heif/heif_im2im.c
index 6ab9cf6..202d6b3 100644
--- a/tests/heif/heif_im2im.c
+++ b/tests/heif/heif_im2im.c
@@ -7,6 +7,8 @@
 #include "gd.h"
 #include "gdtest.h"
 
+#include <libheif/heif.h>
+
 int main()
 {
 	gdImagePtr src, dst;
@@ -15,6 +17,9 @@ int main()
 	int size = 0;
 	CuTestImageResult result = {0, 0};
 
+	if (!gdTestAssertMsg(heif_have_decoder_for_format(heif_compression_HEVC) && heif_have_encoder_for_format(heif_compression_HEVC), "HEVC codec support missing from libheif\n"))
+		return 77;
+
 	src = gdImageCreateTrueColor(100, 100);
 	gdTestAssertMsg(src != NULL, "could not create src\n");
 	/* libheif seems to have some rounding issues */
diff --git a/tests/heif/heif_read.c b/tests/heif/heif_read.c
index 469ea31..6ecb5f0 100644
--- a/tests/heif/heif_read.c
+++ b/tests/heif/heif_read.c
@@ -7,11 +7,16 @@
 #include "gd.h"
 #include "gdtest.h"
 
+#include <libheif/heif.h>
+
 int main()
 {
 	gdImagePtr im;
 	FILE *fp;
 
+	if (!gdTestAssertMsg(heif_have_decoder_for_format(heif_compression_HEVC), "HEVC codec support missing from libheif\n"))
+		return 77;
+
 	fp = gdTestFileOpen2("heif", "label.heic");
 	gdTestAssert(fp != NULL);
 	im = gdImageCreateFromHeif(fp);