cv2.cudacodec.createVideoReader(x2_rma.mp4)

[apurvathakkar-nextgen]

Traceback (most recent call last):
File "/home/ubuntu/apurva.thakkar/video_analysis/debug.py", line 39, in
process_video_with_gpu(video_path)
File "/home/ubuntu/apurva.thakkar/video_analysis/debug.py", line 13, in process_video_with_gpu
cap = cv2.cudacodec.createVideoReader(video_path)
cv2.error: OpenCV(4.12.0-dev) /home/ubuntu/opencv/modules/core/include/opencv2/core/private.cuda.hpp:112: error: (-213:The function/feature is not implemented) The called functionality is disabled for current build or platform in function 'throw_no_cuda'

This is my code
import cv2
import time
import subprocess

Function to check GPU usage

def check_gpu_usage():
# Run nvidia-smi and capture output
result = subprocess.run(['nvidia-smi'], stdout=subprocess.PIPE)
print(result.stdout.decode())

def process_video_with_gpu(video_path):
# Use the GPU decoder
cap = cv2.cudacodec.createVideoReader(video_path)
fps = cap.get(cv2.CAP_PROP_FPS)

frame_count = 0
total_frames = cap.get(cv2.CAP_PROP_FRAME_COUNT)

while True:
    ret, frame = cap.read()
    if not ret:
        break
    
    # Process the frame (for now, just print frame count)
    frame_count += 1
    print(f"Processing frame {frame_count}/{total_frames}")
    
    # Check GPU usage after processing each frame
    if frame_count % 10 == 0:  # Check every 10 frames
        check_gpu_usage()
    
    time.sleep(0.1)  

cap.release()

Run the test

if name == "main":
video_path = 'x2_rma.mp4'
process_video_with_gpu(video_path)

[apurvathakkar-nextgen]

cmake -D CMAKE_BUILD_TYPE=Release -D CMAKE_INSTALL_PREFIX=/usr/local -D OPENCV_EXTRA_MODULES_PATH=../../opencv_contrib/modules -D BUILD_EXAMPLES=ON -D WITH_CUDA=ON -D CUDA_ARCH_BIN=7.5 -D CUDA_ARCH_PTX= -D WITH_CUDNN=ON -D OPENCV_DNN_CUDA=ON -D BUILD_opencv_world=ON -D BUILD_opencv_python3=ON -D PYTHON3_EXECUTABLE=$(which python3) ..

[apurvathakkar-nextgen]

/video_analysis# python3 -c "import cv2; print(cv2.getBuildInformation())"

General configuration for OpenCV 4.12.0-dev =====================================
Version control: 4.11.0-321-g1b3db545a3

Extra modules:
Location (extra): /home/ubuntu/opencv_contrib/modules
Version control (extra): 4.11.0-30-g1fffe354

Platform:
Timestamp: 2025-04-07T22:10:10Z
Host: Linux 6.8.0-1024-aws x86_64
CMake: 4.0.0
CMake generator: Unix Makefiles
CMake build tool: /usr/bin/gmake
Configuration: Release
Algorithm Hint: ALGO_HINT_ACCURATE

CPU/HW features:
Baseline: SSE SSE2 SSE3
requested: SSE3
Dispatched code generation: SSE4_1 SSE4_2 AVX FP16 AVX2 AVX512_SKX
SSE4_1 (19 files): + SSSE3 SSE4_1
SSE4_2 (2 files): + SSSE3 SSE4_1 POPCNT SSE4_2
AVX (10 files): + SSSE3 SSE4_1 POPCNT SSE4_2 AVX
FP16 (1 files): + SSSE3 SSE4_1 POPCNT SSE4_2 AVX FP16
AVX2 (39 files): + SSSE3 SSE4_1 POPCNT SSE4_2 AVX FP16 AVX2 FMA3
AVX512_SKX (8 files): + SSSE3 SSE4_1 POPCNT SSE4_2 AVX FP16 AVX2 FMA3 AVX_512F AVX512_COMMON AVX512_SKX

C/C++:
Built as dynamic libs?: YES
C++ standard: 11
C++ Compiler: /usr/bin/c++ (ver 11.4.0)
C++ flags (Release): -fsigned-char -W -Wall -Wreturn-type -Wnon-virtual-dtor -Waddress -Wsequence-point -Wformat -Wformat-security -Wmissing-declarations -Wundef -Winit-self -Wpointer-arith -Wshadow -Wsign-promo -Wuninitialized -Wsuggest-override -Wno-delete-non-virtual-dtor -Wno-comment -Wimplicit-fallthrough=3 -Wno-strict-overflow -fdiagnostics-show-option -pthread -fomit-frame-pointer -ffunction-sections -fdata-sections -msse3 -fvisibility=hidden -fvisibility-inlines-hidden -O3 -DNDEBUG -DNDEBUG
C++ flags (Debug): -fsigned-char -W -Wall -Wreturn-type -Wnon-virtual-dtor -Waddress -Wsequence-point -Wformat -Wformat-security -Wmissing-declarations -Wundef -Winit-self -Wpointer-arith -Wshadow -Wsign-promo -Wuninitialized -Wsuggest-override -Wno-delete-non-virtual-dtor -Wno-comment -Wimplicit-fallthrough=3 -Wno-strict-overflow -fdiagnostics-show-option -pthread -fomit-frame-pointer -ffunction-sections -fdata-sections -msse3 -fvisibility=hidden -fvisibility-inlines-hidden -g -O0 -DDEBUG -D_DEBUG
C Compiler: /usr/bin/cc
C flags (Release): -fsigned-char -W -Wall -Wreturn-type -Waddress -Wsequence-point -Wformat -Wformat-security -Wmissing-declarations -Wmissing-prototypes -Wstrict-prototypes -Wundef -Winit-self -Wpointer-arith -Wshadow -Wuninitialized -Wno-comment -Wimplicit-fallthrough=3 -Wno-strict-overflow -fdiagnostics-show-option -pthread -fomit-frame-pointer -ffunction-sections -fdata-sections -msse3 -fvisibility=hidden -O3 -DNDEBUG -DNDEBUG
C flags (Debug): -fsigned-char -W -Wall -Wreturn-type -Waddress -Wsequence-point -Wformat -Wformat-security -Wmissing-declarations -Wmissing-prototypes -Wstrict-prototypes -Wundef -Winit-self -Wpointer-arith -Wshadow -Wuninitialized -Wno-comment -Wimplicit-fallthrough=3 -Wno-strict-overflow -fdiagnostics-show-option -pthread -fomit-frame-pointer -ffunction-sections -fdata-sections -msse3 -fvisibility=hidden -g -O0 -DDEBUG -D_DEBUG
Linker flags (Release): -Wl,--exclude-libs,libippicv.a -Wl,--exclude-libs,libippiw.a -Wl,--gc-sections -Wl,--as-needed -Wl,--no-undefined
Linker flags (Debug): -Wl,--exclude-libs,libippicv.a -Wl,--exclude-libs,libippiw.a -Wl,--gc-sections -Wl,--as-needed -Wl,--no-undefined
ccache: NO
Precompiled headers: NO
Extra dependencies: m pthread cudart_static dl rt nppc nppial nppicc nppidei nppif nppig nppim nppist nppisu nppitc npps cublas cudnn cufft -L/usr/local/cuda-12.4/lib64 -L/usr/lib/x86_64-linux-gnu -L/usr/local/cuda-12.4/lib
3rdparty dependencies:

OpenCV modules:
To be built: aruco bgsegm bioinspired calib3d ccalib core cudaarithm cudabgsegm cudacodec cudafeatures2d cudafilters cudaimgproc cudalegacy cudaobjdetect cudaoptflow cudastereo cudawarping cudev datasets dnn dnn_objdetect dnn_superres dpm face features2d flann freetype fuzzy gapi hdf hfs highgui img_hash imgcodecs imgproc intensity_transform line_descriptor mcc ml objdetect optflow phase_unwrapping photo plot python3 quality rapid reg rgbd saliency shape signal stereo stitching structured_light superres surface_matching text tracking ts video videoio videostab wechat_qrcode world xfeatures2d ximgproc xobjdetect xphoto
Disabled: -
Disabled by dependency: -
Unavailable: alphamat cannops cvv fastcv java julia matlab ovis python2 python2 sfm viz
Applications: tests perf_tests examples apps
Documentation: NO
Non-free algorithms: NO

GUI:
GTK+: YES (ver 2.24.33)
GtkGlExt: NO
VTK support: NO

Media I/O:
ZLib: /usr/lib/x86_64-linux-gnu/libz.so (ver 1.2.11)
JPEG: /usr/lib/x86_64-linux-gnu/libjpeg.so (ver 80)
WEBP: build (ver decoder: 0x0209, encoder: 0x020f, demux: 0x0107)
AVIF: NO
PNG: /usr/lib/x86_64-linux-gnu/libpng.so (ver 1.6.37)
TIFF: /usr/lib/x86_64-linux-gnu/libtiff.so (ver 42 / 4.3.0)
JPEG 2000: build (ver 2.5.3)
OpenEXR: /usr/lib/x86_64-linux-gnu/libImath-2_5.so /usr/lib/x86_64-linux-gnu/libIlmImf-2_5.so /usr/lib/x86_64-linux-gnu/libIex-2_5.so /usr/lib/x86_64-linux-gnu/libHalf-2_5.so /usr/lib/x86_64-linux-gnu/libIlmThread-2_5.so (ver 2.5.7)
GIF: NO
HDR: YES
SUNRASTER: YES
PXM: YES
PFM: YES

Video I/O:
FFMPEG: YES
avcodec: YES (58.134.100)
avformat: YES (58.76.100)
avutil: YES (56.70.100)
swscale: YES (5.9.100)
avresample: NO
GStreamer: NO
v4l/v4l2: YES (linux/videodev2.h)

Parallel framework: pthreads

Trace: YES (with Intel ITT(3.25.4))

Other third-party libraries:
Intel IPP: 2022.0.0 [2022.0.0]
at: /home/ubuntu/opencv/build/3rdparty/ippicv/ippicv_lnx/icv
Intel IPP IW: sources (2022.0.0)
at: /home/ubuntu/opencv/build/3rdparty/ippicv/ippicv_lnx/iw
VA: NO
Lapack: NO
Eigen: NO
Custom HAL: YES (ipp (ver 0.0.1))
Protobuf: build (3.19.1)
Flatbuffers: builtin/3rdparty (23.5.9)

NVIDIA CUDA: YES (ver 12.4, CUFFT CUBLAS)
NVIDIA GPU arch: 75
NVIDIA PTX archs:

cuDNN: YES (ver 8.9.7)

OpenCL: YES (no extra features)
Include path: /home/ubuntu/opencv/3rdparty/include/opencl/1.2
Link libraries: Dynamic load

Python 3:
Interpreter: /usr/bin/python3 (ver 3.10.12)
Libraries: /usr/lib/x86_64-linux-gnu/libpython3.10.so (ver 3.10.12)
Limited API: NO
numpy: /usr/lib/python3/dist-packages/numpy/core/include (ver 1.21.5)
install path: lib/python3.10/dist-packages/cv2/python-3.10

Python (for build): /usr/bin/python3

Java:
ant: NO
Java: YES (ver 11.0.26)
JNI: NO
Java wrappers: NO
Java tests: NO

Install to: /usr/local