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Update app.py
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import streamlit as st
import tempfile
import cv2
from utils import read_video, save_video
from trackers import Tracker
from team_assigner import TeamAssigner
from player_ball_assigner import PlayerBallAssigner
from camera_movment_estimator import CameraMovmentEstimator
from view_transformer import ViewTransformer
from speed_and_distance_estimator import SpeedAndDistance_Estimator
import numpy as np
import os
def main():
st.title("Football Match Analysis App")
uploaded_video = st.file_uploader("Upload a football clip", type=["mp4", "avi", "mov"])
if uploaded_video is not None:
# Save the uploaded file temporarily
temp_file = tempfile.NamedTemporaryFile(delete=False)
temp_file.write(uploaded_video.read())
temp_file_path = temp_file.name
# Read video frames using the uploaded file path
video_frames = read_video(temp_file_path)
tracker = Tracker("./best.pt")
tracks = tracker.get_object_tracks(video_frames, read_from_stub=True, stub_path="./stubs/track_stub.pkl")
camera_movment_estimator = CameraMovmentEstimator(video_frames[0])
camera_movment_per_frame = camera_movment_estimator.get_camera_movment(
video_frames, read_from_stub=True, stub_path="./stubs/camera_movment_stub.pkl"
)
camera_movment_estimator.add_position_to_tracks(tracks)
camera_movment_estimator.add_adjust_positions_to_tracks(tracks, camera_movment_per_frame)
view_transformer = ViewTransformer()
view_transformer.add_transformed_position_to_tracks(tracks)
tracks["ball"] = tracker.interppolate_ball_positions(tracks["ball"])
speed_and_distance_estimator = SpeedAndDistance_Estimator()
speed_and_distance_estimator.add_speed_and_distance_to_tracks(tracks)
team_assigner = TeamAssigner()
team_assigner.assign_team_color(video_frames[0], tracks["players"][0])
for frame_num, player_track in enumerate(tracks["players"]):
for player_id, track in player_track.items():
team = team_assigner.get_player_team(
video_frames[frame_num], track["bbox"], player_id
)
tracks["players"][frame_num][player_id]["team"] = team
tracks["players"][frame_num][player_id]["team_color"] = team_assigner.team_colors[team]
player_ball_assigner = PlayerBallAssigner()
team_ball_control = []
for frame_num, player_track in enumerate(tracks["players"]):
ball_bbox = tracks["ball"][frame_num][1]["bbox"]
assigned_player = player_ball_assigner.assign_ball_to_player(player_track, ball_bbox)
if assigned_player != -1:
tracks["players"][frame_num][assigned_player]["has_ball"] = True
team_ball_control.append(tracks["players"][frame_num][assigned_player]["team"])
else:
team_ball_control.append(team_ball_control[-1])
team_ball_control = np.array(team_ball_control)
output_video_frames = tracker.draw_annotations(video_frames, tracks, team_ball_control)
output_video_frames = camera_movment_estimator.draw_camera_movment(output_video_frames, camera_movment_per_frame)
speed_and_distance_estimator.draw_speed_and_distance(output_video_frames, tracks)
# Save the video temporarily in memory for download
with tempfile.NamedTemporaryFile(delete=False, suffix=".mp4") as temp_output:
save_video(output_video_frames, temp_output.name)
temp_output_path = temp_output.name
# Allow user to download the video
with open(temp_output_path, 'rb') as video_file:
video_bytes = video_file.read()
st.download_button(
label="Download Output Video",
data=video_bytes,
file_name="output_video.mp4",
mime="video/mp4"
)
# Clean up the temporary file after displaying
os.remove(temp_output_path)
if __name__ == "__main__":
main()