Create utility/render /render_engine.py

utility/render /render_engine.py

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+import time
+import os
+import tempfile
+import zipfile
+import platform
+import subprocess
+from moviepy.editor import (AudioFileClip, CompositeVideoClip, CompositeAudioClip, ImageClip,
+                            TextClip, VideoFileClip)
+from moviepy.audio.fx.audio_loop import audio_loop
+from moviepy.audio.fx.audio_normalize import audio_normalize
+import requests
+
+def download_file(url, filename):
+    with open(filename, 'wb') as f:
+        headers = {
+        "User-Agent": "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/91.0.4472.124 Safari/537.36"
+        }
+        response = requests.get(url, headers=headers)
+        f.write(response.content)
+
+def search_program(program_name):
+    try: 
+        search_cmd = "where" if platform.system() == "Windows" else "which"
+        return subprocess.check_output([search_cmd, program_name]).decode().strip()
+    except subprocess.CalledProcessError:
+        return None
+
+def get_program_path(program_name):
+    program_path = search_program(program_name)
+    return program_path
+
+def get_output_media(audio_file_path, timed_captions, background_video_data, video_server):
+    OUTPUT_FILE_NAME = "rendered_video.mp4"
+    magick_path = get_program_path("magick")
+    print(magick_path)
+    if magick_path:
+        os.environ['IMAGEMAGICK_BINARY'] = magick_path
+    else:
+        os.environ['IMAGEMAGICK_BINARY'] = '/usr/bin/convert'
+    
+    visual_clips = []
+    for (t1, t2), video_url in background_video_data:
+        # Download the video file
+        video_filename = tempfile.NamedTemporaryFile(delete=False).name
+        download_file(video_url, video_filename)
+        
+        # Create VideoFileClip from the downloaded file
+        video_clip = VideoFileClip(video_filename)
+        video_clip = video_clip.set_start(t1)
+        video_clip = video_clip.set_end(t2)
+        visual_clips.append(video_clip)
+    
+    audio_clips = []
+    audio_file_clip = AudioFileClip(audio_file_path)
+    audio_clips.append(audio_file_clip)
+
+    for (t1, t2), text in timed_captions:
+        text_clip = TextClip(txt=text, fontsize=100, color="white", stroke_width=3, stroke_color="black", method="label")
+        text_clip = text_clip.set_start(t1)
+        text_clip = text_clip.set_end(t2)
+        text_clip = text_clip.set_position(["center", 800])
+        visual_clips.append(text_clip)
+
+    video = CompositeVideoClip(visual_clips)
+    
+    if audio_clips:
+        audio = CompositeAudioClip(audio_clips)
+        video.duration = audio.duration
+        video.audio = audio
+
+    video.write_videofile(OUTPUT_FILE_NAME, codec='libx264', audio_codec='aac', fps=25, preset='veryfast')
+    
+    # Clean up downloaded files
+    for (t1, t2), video_url in background_video_data:
+        video_filename = tempfile.NamedTemporaryFile(delete=False).name
+        os.remove(video_filename)
+
+    return OUTPUT_FILE_NAME