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cvapp2.py

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+import streamlit as st
+import cv2
+from PIL import Image
+
+uploaded_video = st.file_uploader("Choose video", type=["mp4", "mov"])
+frame_skip = 200 # display every 300 frames
+
+if uploaded_video is not None: # run only when user uploads video
+    vid = uploaded_video.name
+    with open(vid, mode='wb') as f:
+        f.write(uploaded_video.read()) # save video to disk
+
+    st.markdown(f"""
+    ### Files
+    - {vid}
+    """,
+    unsafe_allow_html=True) # display file name
+
+    vidcap = cv2.VideoCapture(vid) # load video from disk
+    cur_frame = 0
+    success = True
+
+    while success:
+        success, frame = vidcap.read() # get next frame from video
+        if cur_frame % frame_skip == 0: # only analyze every n=300 frames
+            print('frame: {}'.format(cur_frame)) 
+            pil_img = Image.fromarray(frame) # convert opencv frame (with type()==numpy) into PIL Image
+            st.image(pil_img,channels='BGR')
+        cur_frame += 1

requirements.txt

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+altair==5.0.1
+appdirs==1.4.4
+appnope==0.1.3
+asttokens==2.4.1
+attrs==23.1.0
+beautifulsoup4==4.12.2
+blinker==1.6.2
+cachetools==5.3.1
+certifi==2023.7.22
+charset-normalizer==3.2.0
+click==8.1.6
+comm==0.2.0
+debugpy==1.8.0
+decorator==5.1.1
+executing==2.0.1
+ffmpeg-python==0.2.0
+frozendict==2.3.8
+future==0.18.3
+gitdb==4.0.10
+GitPython==3.1.32
+html5lib==1.1
+idna==3.4
+importlib-metadata==6.8.0
+ipykernel==6.26.0
+ipython==8.17.2
+jedi==0.19.1
+Jinja2==3.1.2
+jsonschema==4.19.0
+jsonschema-specifications==2023.7.1
+jupyter_client==8.6.0
+jupyter_core==5.5.0
+lxml==4.9.3
+markdown-it-py==3.0.0
+MarkupSafe==2.1.3
+matplotlib-inline==0.1.6
+mdurl==0.1.2
+multitasking==0.0.11
+nest-asyncio==1.5.8
+numpy==1.25.2
+opencv-python==4.8.1.78
+packaging==23.1
+pandas==2.0.3
+parso==0.8.3
+peewee==3.17.0
+pexpect==4.8.0
+Pillow==9.5.0
+platformdirs==3.11.0
+prompt-toolkit==3.0.39
+protobuf==3.20.1
+psutil==5.9.6
+ptyprocess==0.7.0
+pure-eval==0.2.2
+pyarrow==12.0.1
+pydeck==0.8.0
+Pygments==2.16.1
+Pympler==1.0.1
+python-dateutil==2.8.2
+pytz==2023.3
+pytz-deprecation-shim==0.1.0.post0
+pyzmq==25.1.1
+referencing==0.30.2
+requests==2.31.0
+rich==13.5.2
+rpds-py==0.9.2
+six==1.16.0
+smmap==5.0.0
+soupsieve==2.5
+stack-data==0.6.3
+streamlit==1.25.0
+tenacity==8.2.2
+toml==0.10.2
+toolz==0.12.0
+tornado==6.3.3
+traitlets==5.13.0
+typing_extensions==4.7.1
+tzdata==2023.3
+tzlocal==4.3.1
+urllib3==2.0.4
+validators==0.21.2
+wcwidth==0.2.9
+webencodings==0.5.1
+yfinance==0.2.31
+zipp==3.16.2