memoryview works sortof but hangs

ThomasFarstrike · ThomasFarstrike · commit 0e57b10dbb1a · 2025-05-14T12:14:34.000+02:00
diff --git a/c_mpos/src/webcam.c b/c_mpos/src/webcam.c
@@ -163,9 +163,9 @@ static mp_obj_t capture_frame(webcam_obj_t *self) {
 
     yuyv_to_grayscale_240x240(self->buffers[buf.index], self->gray_buffer, WIDTH, HEIGHT);
 
-    char filename[32];
-    snprintf(filename, sizeof(filename), "frame_%03d.raw", self->frame_count++);
-    save_raw(filename, self->gray_buffer, OUTPUT_WIDTH, OUTPUT_HEIGHT);
+    //char filename[32];
+    //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_memoryview(0x01, OUTPUT_WIDTH * OUTPUT_HEIGHT, self->gray_buffer);
 
diff --git a/internal_filesystem/apps/com.example.camtest/assets/camtest.py b/internal_filesystem/apps/com.example.camtest/assets/camtest.py
@@ -99,7 +99,9 @@ def try_capture():
     if new_cam_buffer and len(new_cam_buffer) == 240 * 240:
         image_dsc.data = new_cam_buffer  # Update image descriptor
         image.set_src(image_dsc)  # Update LVGL image
-        current_cam_buffer = None  # Clear reference to allow GC
+        #if current_cam_buffer is not None:
+        #    webcam.free_buffer(cam)  # Free the old buffer
+        #current_cam_buffer = new_cam_buffer  # Clear reference to allow GC
     else:
         print("Invalid buffer size:", len(new_cam_buffer))
 
@@ -120,8 +122,8 @@ def try_capture_old():
         #current_cam_buffer = None  # Clear reference to allow GC
         #image.invalidate() #does not work
         # Free the previous buffer (if any) after setting new data
-        if current_cam_buffer is not None and not use_webcam:
-            cam.free_buffer()  # Free the old buffer
+        #if current_cam_buffer is not None and not use_webcam:
+        #    cam.free_buffer()  # Free the old buffer
         current_cam_buffer = new_cam_buffer  # Store new buffer reference
 
 
