m5/MicroPythonOS
0
0
Fork 0
mirror of https://github.com/m5stack/MicroPythonOS.git synced 2026-05-20 11:51:27 -07:00
Code Issues Packages Projects Releases Wiki Activity

Improve webcam

Browse Source
This commit is contained in:
Thomas Farstrike
2025-05-14 10:06:11 +02:00
parent 0e314c2f32
commit 016028ff49
2 changed files with 8 additions and 4 deletions
Download Patch File Download Diff File Expand all files Collapse all files
c_mpos/src/webcam.c
+2 -2
View File
@@ -23,8 +23,8 @@
#define CAPTURE_HEIGHT 480
#define OUTPUT_WIDTH 240 // Resize to 240x240
#define OUTPUT_HEIGHT 240
#define NUM_BUFFERS 2 // Revert to 2 buffers, as it achieved 2 captures
#define QUEUE_RETRIES 10 // Increase retries for robustness
#define NUM_BUFFERS 10 // Revert to 2 buffers, as it achieved 2 captures
#define QUEUE_RETRIES 5 // Increase retries for robustness
#define QUEUE_RETRY_DELAY_US 200000 // 200ms delay between retries
// Webcam object type
internal_filesystem/apps/com.example.camtest/assets/camtest.py
+6 -2
View File
@@ -98,7 +98,7 @@ def try_capture():
new_cam_buffer = cam.capture_grayscale()
elif cam.frame_available():
new_cam_buffer = cam.capture() # Returns memoryview
if len(new_cam_buffer):
if new_cam_buffer and len(new_cam_buffer):
# print("Invalid buffer size:", len(new_cam_buffer))
# cam.free_buffer()
# return
@@ -200,7 +200,11 @@ class Webcam:
# webcam.init() returns (obj, capture_grayscale, deinit)
self.obj, self._capture_grayscale, self._deinit = webcam.init()
def capture_grayscale(self):
return self._capture_grayscale(self.obj)
try:
return self._capture_grayscale(self.obj)
except Exception as e:
print(f"capture got exception {e}")
self.deinit()
def deinit(self):
return self._deinit(self.obj)