1 files changed, 63 insertions, 0 deletions
diff --git a/test/img_utils.c b/test/img_utils.c
new file mode 100644
index 0000000000..71764f304f
--- /dev/null
+++ b/test/img_utils.c
@@ -0,0 +1,63 @@
+/*
+ * This file is part of mpv.
+ *
+ * mpv is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * mpv is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with mpv.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <assert.h>
+#include <libavutil/frame.h>
+#include <libavutil/pixdesc.h>
+
+#include "common/common.h"
+#include "img_utils.h"
+#include "video/img_format.h"
+#include "video/fmt-conversion.h"
+
+int imgfmts[IMGFMT_AVPIXFMT_END - IMGFMT_AVPIXFMT_START + 100];
+int num_imgfmts;
+
+static enum AVPixelFormat pixfmt_unsup[100];
+static int num_pixfmt_unsup;
+
+static int cmp_imgfmt_name(const void *a, const void *b)
+{
+    char *name_a = mp_imgfmt_to_name(*(int *)a);
+    char *name_b = mp_imgfmt_to_name(*(int *)b);
+
+    return strcmp(name_a, name_b);
+}
+
+void init_imgfmts_list(void)
+{
+    const AVPixFmtDescriptor *avd = av_pix_fmt_desc_next(NULL);
+    for (; avd; avd = av_pix_fmt_desc_next(avd)) {
+        enum AVPixelFormat fmt = av_pix_fmt_desc_get_id(avd);
+        int mpfmt = pixfmt2imgfmt(fmt);
+        if (!mpfmt) {
+            assert(num_pixfmt_unsup < MP_ARRAY_SIZE(pixfmt_unsup));
+            pixfmt_unsup[num_pixfmt_unsup++] = fmt;
+        }
+    }
+
+    for (int fmt = IMGFMT_START; fmt <= IMGFMT_END; fmt++) {
+        struct mp_imgfmt_desc d = mp_imgfmt_get_desc(fmt);
+        enum AVPixelFormat pixfmt = imgfmt2pixfmt(fmt);
+        if (d.id || pixfmt != AV_PIX_FMT_NONE) {
+            assert(num_imgfmts < MP_ARRAY_SIZE(imgfmts)); // enlarge that array
+            imgfmts[num_imgfmts++] = fmt;
+        }
+    }
+
+    qsort(imgfmts, num_imgfmts, sizeof(imgfmts[0]), cmp_imgfmt_name);
+}