DVR-Scan
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Breakthrough
MOG2_CUDA mode speed is same as MOG2
Bug/Issue Description: enable MOG2_CUDA mode , the speed is still the same
Required Information:
dvr-scan -m ffmpeg -b MOG2_CUDA --verbosity debug -i 2022-05-14.mp4
Expected Behavior: the speed should be faster than MOG2 mode
Computing Environment:
- OS: Ubuntu22
- Python Version: 3.10
- OpenCV Version: 4.6.0
Additional Information:
with mog2 mode
danny@home:~/Videos/2022-05$ dvr-scan -m ffmpeg --verbosity debug -i 2022-05-14.mp4
INFO: controller._init_dvr_scan(): DVR-Scan v1.5.1
DEBUG: controller._init_dvr_scan(): User config file not found.
DEBUG: controller._init_dvr_scan(): Parsing program options.
INFO: scanner.__init__(): Initializing scan context...
INFO: video_joiner._load_input_videos(): Opened video 2022-05-14.mp4 (1920 x 1080 at 14.932 FPS).
DEBUG: scanner.scan_motion(): Using detector MOG2 with params: kernel_size = 7
INFO: scanner.scan_motion(): Scanning input video for motion events...
Detected: 0 | Progress: 0%| | 172/1281164 [00:02<4:58:45, 71.46 frames/s]
with mog2_cuda mode
dvr-scan -m ffmpeg -b MOG2_CUDA --verbosity debug -i 2022-05-14.mp4
INFO: controller._init_dvr_scan(): DVR-Scan v1.5.1
DEBUG: controller._init_dvr_scan(): User config file not found.
DEBUG: controller._init_dvr_scan(): Parsing program options.
INFO: scanner.__init__(): Initializing scan context...
INFO: video_joiner._load_input_videos(): Opened video 2022-05-14.mp4 (1920 x 1080 at 14.932 FPS).
DEBUG: scanner.scan_motion(): Using detector MOG2_CUDA with params: kernel_size = 7
INFO: scanner.scan_motion(): Scanning input video for motion events...
Detected: 1 | Progress: 0%|▏ | 3101/1281164 [00:45<5:12:50, 68.09 frames/s]
i think this indicates gpu is being used(the python3 process)
danny@home:~/Videos/2022-05$ ps -aux | grep dvr-scan
danny 36176 158 2.1 50259816 707524 pts/1 RLl+ 21:48 0:19 /usr/bin/python3 /home/danny/.local/bin/dvr-scan -m ffmpeg -b MOG2_CUDA --verbosity debug -i 2022-05-14.mp4
danny@home:~/Videos/2022-05$ nvidia-smi
Fri Oct 14 21:42:20 2022
+-----------------------------------------------------------------------------+
| NVIDIA-SMI 515.76 Driver Version: 515.76 CUDA Version: 11.7 |
|-------------------------------+----------------------+----------------------+
| GPU Name Persistence-M| Bus-Id Disp.A | Volatile Uncorr. ECC |
| Fan Temp Perf Pwr:Usage/Cap| Memory-Usage | GPU-Util Compute M. |
| | | MIG M. |
|===============================+======================+======================|
| 0 NVIDIA GeForce ... Off | 00000000:26:00.0 On | N/A |
| 29% 50C P2 60W / 120W | 623MiB / 2048MiB | 92% Default |
| | | N/A |
+-------------------------------+----------------------+----------------------+
+-----------------------------------------------------------------------------+
| Processes: |
| GPU GI CI PID Type Process name GPU Memory |
| ID ID Usage |
|=============================================================================|
| 0 N/A N/A 2609 G /usr/lib/xorg/Xorg 111MiB |
| 0 N/A N/A 2805 G /usr/bin/gnome-shell 92MiB |
| 0 N/A N/A 7731 G ...3/usr/lib/firefox/firefox 168MiB |
| 0 N/A N/A 36176 C /usr/bin/python3 244MiB |
+-----------------------------------------------------------------------------+
Edit:
add the scan only -so parameter got the same result
