MemoryView instead of bytes makes it worse?

ThomasFarstrike · ThomasFarstrike · commit aabf8ed179f5 · 2025-05-14T11:37:08.000+02:00
diff --git a/c_mpos/src/webcam.c b/c_mpos/src/webcam.c
@@ -11,15 +11,15 @@
 #include "py/runtime.h"
 #include "py/mperrno.h"
 
+// Forward declaration of the webcam type
+static const mp_obj_type_t webcam_type;
+
 #define WIDTH 640
 #define HEIGHT 480
 #define NUM_BUFFERS 4
 #define OUTPUT_WIDTH 240
 #define OUTPUT_HEIGHT 240
 
-// Forward declaration of the webcam type
-static const mp_obj_type_t webcam_type;
-
 typedef struct _webcam_obj_t {
     mp_obj_base_t base;
     int fd;
@@ -178,7 +178,7 @@ static mp_obj_t capture_frame(webcam_obj_t *self) {
     snprintf(filename, sizeof(filename), "frame_%03d.raw", self->frame_count++);
     save_raw(filename, self->gray_buffer, OUTPUT_WIDTH, OUTPUT_HEIGHT);
 
-    mp_obj_t result = mp_obj_new_bytes(self->gray_buffer, OUTPUT_WIDTH * OUTPUT_HEIGHT);
+    mp_obj_t result = mp_obj_new_memoryview(0x01, OUTPUT_WIDTH * OUTPUT_HEIGHT, self->gray_buffer);
 
     if (ioctl(self->fd, VIDIOC_QBUF, &buf) < 0) {
         mp_raise_OSError(MP_EIO);
diff --git a/internal_filesystem/apps/com.example.camtest/assets/camtest.py b/internal_filesystem/apps/com.example.camtest/assets/camtest.py
@@ -110,6 +110,8 @@ def try_capture():
                 webcam.free_buffer(cam)  # Explicitly free webcam buffer
             else:
                 cam.free_buffer()  # Free other camera buffer
+        else:
+            print("current_cam_buffer is None, not freeing...")
         current_cam_buffer = new_cam_buffer  # Store new buffer reference
     else:
         print("Invalid buffer size:", len(new_cam_buffer))
