[Fix] swap width and height in Resize and Pad according to upstream codebases (#2063)

* swap width and height in Resize and Pad according to upstream codebases

* fix UT

* better?

* add comments

csrc/mmdeploy/preprocess/transform/pad.cpp

@@ -82,9 +82,9 @@ class Pad : public Transform {
           data["pad_fixed_size"].push_back(pad_h);
           data["pad_fixed_size"].push_back(pad_w);
         } else {
-          padding = {0, 0, size_[1] - width, size_[0] - height};
-          data["pad_fixed_size"].push_back(size_[0]);
+          padding = {0, 0, size_[0] - width, size_[1] - height};
           data["pad_fixed_size"].push_back(size_[1]);
+          data["pad_fixed_size"].push_back(size_[0]);
         }
       } else if (size_divisor_ != 1) {
         auto pad_h = (height + size_divisor_ - 1) / size_divisor_ * size_divisor_;

csrc/mmdeploy/preprocess/transform/resize.cpp

@@ -27,9 +27,15 @@ class Resize : public Transform {
           MMDEPLOY_ERROR("'size' expects an array of size 2, but got {}", args["size"].size());
           throw_exception(eInvalidArgument);
         }
-        auto height = args["size"][0].get<int>();
-        auto width = args["size"][1].get<int>();
-        img_scale_ = {height, width};
+        // the order in openmmalb config is [width, height], while in SDK it is [height, width]
+        // keep the last dim -1
+        auto width = args["size"][0].get<int>();
+        auto height = args["size"][1].get<int>();
+        if (-1 == height) {
+          img_scale_ = {width, -1};
+        } else {
+          img_scale_ = {height, width};
+        }
       } else {
         MMDEPLOY_ERROR("'size' is expected to be an integer or and array of size 2");
         throw_exception(eInvalidArgument);

tests/test_csrc/preprocess/test_pad.cpp

@@ -111,7 +111,7 @@ TEST_CASE("transform 'Pad'", "[pad]") {
     constexpr int width = 800;
     for (auto& mat : mats) {
       for (auto& mode : modes) {
-        Value cfg{{"type", "Pad"}, {"size", {height, width}}, {"padding_mode", mode}};
+        Value cfg{{"type", "Pad"}, {"size", {width, height}}, {"padding_mode", mode}};
         auto [pad_left, pad_top, pad_right, pad_bottom] = GetPadSize(mat, height, width);
         TestPad(cfg, mat, pad_top, pad_left, pad_bottom, pad_right, border_map[mode], 0);
       }

tests/test_csrc/preprocess/test_resize.cpp

@@ -230,7 +230,7 @@ TEST_CASE("resize transform: size", "[resize]") {
     for (auto& mat : mats) {
       for (auto& interp : interpolations) {
         Value cfg{{"type", "Resize"},
-                  {"size", {dst_height, dst_width}},
+                  {"size", {dst_width, dst_height}},
                   {"keep_ratio", keep_ratio},
                   {"interpolation", interp}};
         TestResize(cfg, kHost, mat, dst_height, dst_width);