Spaces:
Running
Running
File size: 7,224 Bytes
985b2b6 e3ca117 985b2b6 4d71f72 985b2b6 4d71f72 985b2b6 |
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 |
import argparse
import glob
import os
import sys
from typing import List, Tuple
import natsort
from moviepy import *
from pdf2image import convert_from_path
def parse_arguments():
"""Parse command line arguments."""
parser = argparse.ArgumentParser(
description="Create a video from PDF slides and audio files."
)
parser.add_argument(
"--pdf", required=True, help="Path to the PDF file containing slides"
)
parser.add_argument(
"--audio-dir", required=True, help="Directory containing audio files"
)
parser.add_argument(
"--audio-pattern",
default="*.wav",
help="Pattern to match audio files (default: *.wav)",
)
parser.add_argument(
"--buffer",
type=float,
default=1.5,
help="Buffer time in seconds after each audio clip (default: 1.5)",
)
parser.add_argument(
"--output",
default="final_presentation.mp4",
help="Output video filename (default: final_presentation.mp4)",
)
parser.add_argument(
"--fps", type=int, default=5, help="Frame rate of output video (default: 5)"
)
parser.add_argument(
"--dpi",
type=int,
default=72,
help="DPI for PDF to image conversion (default: 120)",
)
return parser.parse_args()
def find_audio_files(audio_dir: str, pattern: str) -> List[str]:
"""Find and sort audio files in the specified directory."""
search_pattern = os.path.join(audio_dir, pattern)
audio_files = natsort.natsorted(glob.glob(search_pattern))
return audio_files
def convert_pdf_to_images(pdf_path: str, dpi: int) -> List:
"""Convert PDF pages to images."""
print(f"Converting PDF '{pdf_path}' to images...")
try:
pdf_images = convert_from_path(pdf_path, dpi=dpi)
print(f"Successfully converted {len(pdf_images)} pages from PDF.")
return pdf_images
except Exception as e:
print(f"Error converting PDF to images: {e}")
sys.exit(1)
def create_video_clips(
pdf_images: List, audio_files: List[str], buffer_seconds: float, output_fps: int
) -> List:
"""Create video clips from images and audio files."""
video_clips_list = []
print("\nCreating individual video clips...")
for i, (img, aud_file) in enumerate(zip(pdf_images, audio_files)):
print(
f"Processing pair {i + 1}/{len(pdf_images)}: "
f"Page {i + 1} + {os.path.basename(aud_file)}"
)
try:
# Load audio to get duration
audio_clip = AudioFileClip(aud_file)
audio_duration = audio_clip.duration
# Calculate target duration for the image clip
target_duration = audio_duration + buffer_seconds
# Create a temporary file for the image
temp_img_path = f"temp_slide_{i + 1}.png"
img.save(temp_img_path, "PNG")
# Create video clip from image with the correct duration
# In MoviePy v2.0+, we use ImageSequenceClip with a single image
img_clip = ImageSequenceClip([temp_img_path], durations=[target_duration])
# Set FPS for the individual clip
img_clip = img_clip.with_fps(output_fps)
# Set the audio for the image clip
video_clip_with_audio = img_clip.with_audio(audio_clip)
video_clips_list.append(video_clip_with_audio)
print(
f" -> Clip created (Audio: {audio_duration:.2f}s + "
f"Buffer: {buffer_seconds:.2f}s = "
f"Total: {target_duration:.2f}s)"
)
except Exception as e:
print(f" Error processing pair {i + 1}: {e}")
print(" Skipping this pair.")
# Close clips if they were opened, to release file handles
if "audio_clip" in locals() and audio_clip:
audio_clip.close()
if "img_clip" in locals() and img_clip:
img_clip.close()
if "video_clip_with_audio" in locals() and video_clip_with_audio:
video_clip_with_audio.close()
return video_clips_list
def concatenate_clips(
video_clips_list: List, output_file: str, output_fps: int
) -> None:
"""Concatenate video clips and write to output file."""
if not video_clips_list:
print("\nNo video clips were successfully created. Exiting.")
sys.exit(1)
print(f"\nConcatenating {len(video_clips_list)} clips...")
final_clip = None
try:
final_clip = concatenate_videoclips(video_clips_list, method="compose")
print(f"Writing final video file: {output_file}...")
# Write the final video file
final_clip.write_videofile(
output_file,
fps=output_fps,
codec="libx264",
audio_codec="aac",
threads=16,
# logger=None, # Suppress verbose output
)
print("Final video file written successfully.")
except Exception as e:
print(f"\nError during concatenation or writing video file: {e}")
print("Ensure you have enough free disk space and RAM.")
finally:
# Close clips to release resources
if final_clip:
final_clip.close()
for clip in video_clips_list:
clip.close()
def cleanup_temp_files(pdf_images: List) -> None:
"""Clean up temporary image files."""
print("\nCleaning up temporary files...")
for i in range(len(pdf_images)):
temp_img_path = f"temp_slide_{i + 1}.png"
if os.path.exists(temp_img_path):
os.remove(temp_img_path)
def main():
"""Main function to run the script."""
args = parse_arguments()
# Validate inputs
if not os.path.exists(args.pdf):
print(f"Error: PDF file '{args.pdf}' not found.")
sys.exit(1)
if not os.path.exists(args.audio_dir):
print(f"Error: Audio directory '{args.audio_dir}' not found.")
sys.exit(1)
# Find audio files
audio_files = find_audio_files(args.audio_dir, args.audio_pattern)
if not audio_files:
print(
f"Error: No audio files found matching pattern '{args.audio_pattern}' "
f"in directory '{args.audio_dir}'."
)
sys.exit(1)
# Convert PDF to images
pdf_images = convert_pdf_to_images(args.pdf, args.dpi)
# Check if number of PDF pages matches number of audio files
if len(pdf_images) != len(audio_files):
print("Error: Mismatched number of files found.")
print(f" PDF pages ({len(pdf_images)})")
print(f" Audio files ({len(audio_files)}): {audio_files}")
print("Please ensure you have one corresponding audio file for each PDF page.")
sys.exit(1)
print(f"Found {len(pdf_images)} PDF pages with {len(audio_files)} audio files.")
# Create video clips
video_clips = create_video_clips(pdf_images, audio_files, args.buffer, args.fps)
# Concatenate clips and create final video
concatenate_clips(video_clips, args.output, args.fps)
# Clean up
cleanup_temp_files(pdf_images)
print("\nScript finished.")
if __name__ == "__main__":
main()
|