add more temporary tests

libvmaf/tools/vmaf.c

@@ -169,7 +169,7 @@ static int fetch_picture(video_input *vid, VmafPicture *pic, int depth)
 static void my_callback(void *data, VmafMetadata *metadata)
 {
     (void) data;
-    fprintf(stdout, " my_callback: %s.%d=%f\n", metadata->feature_name,
+    fprintf(stdout, "\nmy_callback: %s.%d=%f\n", metadata->feature_name,
             metadata->picture_index, metadata->score);
 }
 
@@ -265,7 +265,7 @@ int main(int argc, char *argv[])
     }
 
     VmafMetadataConfiguration metadata_cfg_2 = {
-        .feature_name = "psnr",
+        .feature_name = "psnr_y",
         .callback = &my_callback,
     };
 
@@ -275,6 +275,27 @@ int main(int argc, char *argv[])
         return -1;
     }
 
+    VmafMetadataConfiguration metadata_cfg_3 = {
+        .feature_name = "psnr_cb",
+        .callback = &my_callback,
+    };
+
+    err = vmaf_register_metadata_callback(vmaf, metadata_cfg_3);
+    if (err) {
+        fprintf(stderr, "problem during vmaf_register_metadata_callback\n");
+        return -1;
+    }
+
+    VmafMetadataConfiguration metadata_cfg_4 = {
+        .feature_name = "ciede2000",
+        .callback = &my_callback,
+    };
+
+    err = vmaf_register_metadata_callback(vmaf, metadata_cfg_4);
+    if (err) {
+        fprintf(stderr, "problem during vmaf_register_metadata_callback\n");
+        return -1;
+    }
 
 #ifdef HAVE_CUDA
     VmafCudaState *cu_state;