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- Add: Camera version driver - Performance improvements - Minor imprvements
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,107 @@ | ||
| from camera import Camera, FrameSize, PixelFormat | ||
| import time | ||
| import gc | ||
| import os | ||
| gc.enable() | ||
|
|
||
| def measure_fps(cam,out_fmt,duration=2): | ||
| start_time = time.ticks_ms() | ||
| while time.ticks_ms() - start_time < 500: | ||
| cam.capture(out_fmt) | ||
|
|
||
| start_time = time.ticks_ms() | ||
| frame_count = 0 | ||
|
|
||
| while time.ticks_ms() - start_time < duration*1000: | ||
| img = cam.capture(out_fmt) | ||
| if img: | ||
| frame_count += 1 | ||
|
|
||
| end_time = time.ticks_ms() | ||
| fps = frame_count / (end_time - start_time) * 1000 | ||
| return round(fps,1) | ||
|
|
||
| def print_summary_table(results, cam): | ||
| print(f"\nBenchmark {os.uname().machine} with {cam.get_sensor_name()}, GrabMode: {cam.get_grab_mode()}:") | ||
|
|
||
| fb_counts = sorted(results.keys()) | ||
| frame_size_names = {getattr(FrameSize, f): f for f in dir(FrameSize) if not f.startswith('_')} | ||
|
|
||
| header_row = f"{'Frame Size':<15}" | ||
| sub_header_row = " " * 15 | ||
|
|
||
| for fb in fb_counts: | ||
| for p in results[fb].keys(): | ||
| header_row += f"{'fb_count ' + str(fb):<15}" | ||
| sub_header_row += f"{p:<15}" | ||
|
|
||
| print(header_row) | ||
| print(sub_header_row) | ||
|
|
||
| frame_sizes = list(next(iter(next(iter(results.values())).values())).keys()) | ||
|
|
||
| for f in frame_sizes: | ||
| frame_size_name = frame_size_names.get(f, str(f)) | ||
| print(f"{frame_size_name:<15}", end="") | ||
|
|
||
| for fb in fb_counts: | ||
| for p in results[fb].keys(): | ||
| fps = results[fb][p].get(f, "N/A") | ||
| print(f"{fps:<15}", end="") | ||
| print() | ||
|
|
||
| if __name__ == "__main__": | ||
| cam = Camera(pixel_format=PixelFormat.JPEG) | ||
| results = {} | ||
|
|
||
| try: | ||
| for fb in [1, 2]: | ||
| cam.reconfigure(fb_count=fb, frame_size=FrameSize.QQVGA) | ||
| results[fb] = {} | ||
| for p in dir(PixelFormat): | ||
| if not p.startswith('_'): | ||
| p_value = getattr(PixelFormat, p) | ||
| try: | ||
| if p_value == PixelFormat.JPEG: | ||
| continue | ||
| cam.capture(p_value) | ||
| results[fb][p] = {} | ||
| gc.collect() | ||
| except: | ||
| continue | ||
| for f in dir(FrameSize): | ||
| if not f.startswith('_'): | ||
| f_value = getattr(FrameSize, f) | ||
| if f_value > cam.get_max_frame_size(): | ||
| continue | ||
| gc.collect() | ||
| print('Set', p, f,f'fb={fb}',':') | ||
|
|
||
| try: | ||
| cam.set_frame_size(f_value) | ||
| time.sleep_ms(10) | ||
| img = cam.capture(p_value) | ||
| if img: | ||
| print('---> Image size:', len(img)) | ||
| fps = measure_fps(cam,p_value,2) | ||
| print(f"---> FPS: {fps}") | ||
| results[fb][p][f_value] = fps | ||
| else: | ||
| print('No image captured') | ||
| results[fb][p][f_value] = 'No img' | ||
|
|
||
| print(f"---> Free Memory: {gc.mem_free()}") | ||
| except Exception as e: | ||
| print('ERR:', e) | ||
| results[fb][p][f_value] = 'ERR' | ||
| finally: | ||
| time.sleep_ms(250) | ||
| gc.collect() | ||
| print('') | ||
|
|
||
| except KeyboardInterrupt: | ||
| print("\nScript interrupted by user.") | ||
|
|
||
| finally: | ||
| print_summary_table(results, cam) | ||
| cam.deinit() |
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