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Add explicit free, still hangs...

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This commit is contained in:
Thomas Farstrike
2025-05-14 11:20:13 +02:00
parent 0a7e4f4285
commit 797b5fc03f
2 changed files with 47 additions and 4 deletions
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internal_filesystem/apps/com.example.camtest/assets/camtest.py
+26 -1
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@@ -92,8 +92,33 @@ def qr_button_click(e):
keepliveqrdecoding = False
qr_label.set_text(lv.SYMBOL.EYE_OPEN)
def try_capture():
global current_cam_buffer, image_dsc, image
use_webcam = True # Set to True for webcam module
if use_webcam:
new_cam_buffer = webcam.capture_frame(cam) # Returns bytes
else:
new_cam_buffer = cam.capture() # Returns memoryview for other camera
if new_cam_buffer and len(new_cam_buffer) == 240 * 240:
# Update image descriptor with new buffer
image_dsc.data = new_cam_buffer
# Set image source to update LVGL
image.set_src(image_dsc)
# Free the previous buffer (if any)
if current_cam_buffer is not None:
if use_webcam:
webcam.free_buffer(cam) # Explicitly free webcam buffer
else:
cam.free_buffer() # Free other camera buffer
current_cam_buffer = new_cam_buffer # Store new buffer reference
else:
print("Invalid buffer size:", len(new_cam_buffer))
if use_webcam:
webcam.free_buffer(cam)
else:
cam.free_buffer()
def try_capture_again():
global current_cam_buffer, image_dsc, image
new_cam_buffer = webcam.capture_frame(cam) # Returns memoryview
if new_cam_buffer and len(new_cam_buffer) == 240 * 240: