1 files changed, 53 insertions, 0 deletions
diff --git a/options/m_option.c b/options/m_option.c
index 6ab1fc1f7a..a84d7e4d41 100644
--- a/options/m_option.c
+++ b/options/m_option.c
@@ -1983,6 +1983,59 @@ const m_option_type_t m_option_type_imgfmt = {
     .copy  = copy_opt,
 };
 
+#include "video/csputils.h"
+
+static int parse_stereo_mode(struct mp_log *log, const m_option_t *opt,
+                             struct bstr name, struct bstr param, void *dst)
+{
+    if (param.len == 0)
+        return M_OPT_MISSING_PARAM;
+
+    if (!bstrcmp0(param, "help")) {
+        mp_info(log, "Available modes:");
+        for (int n = 0; n < MP_STEREO3D_COUNT; n++) {
+            if (mp_stereo3d_names[n])
+                mp_info(log, " %s\n", mp_stereo3d_names[n]);
+        }
+        mp_info(log, " none\n");
+        return M_OPT_EXIT - 1;
+    }
+
+    int mode = -1;
+
+    for (int n = 0; n < MP_STEREO3D_COUNT; n++) {
+        if (bstr_equals(param, bstr0(mp_stereo3d_names[n]))) {
+            mode = n;
+            break;
+        }
+    }
+
+    if (mode < 0 && !bstr_equals0(param, "none")) {
+        mp_err(log, "Option %.*s: unknown parameter: '%.*s'\n",
+               BSTR_P(name), BSTR_P(param));
+        return M_OPT_INVALID;
+    }
+
+    if (dst)
+        *((int *)dst) = mode;
+
+    return 1;
+}
+
+static char *print_stereo_mode(const m_option_t *opt, const void *val)
+{
+    int mode = *(int *)val;
+    const char *name = mode >= 0 ? MP_STEREO3D_NAME(mode) : "none";
+    return talloc_strdup(NULL, name);
+}
+
+const m_option_type_t m_option_vid_stereo_mode = {
+    .name  = "Stereo 3D mode",
+    .size  = sizeof(int),
+    .parse = parse_stereo_mode,
+    .print = print_stereo_mode,
+};
+
 static int parse_fourcc(struct mp_log *log, const m_option_t *opt,
                         struct bstr name, struct bstr param, void *dst)
 {