mirror of
https://github.com/storytold/storyteller-ml.git
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saltacc
96 lines
3.0 KiB
Python
96 lines
3.0 KiB
Python
import os
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import subprocess
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import json
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import sys
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from pathlib import Path
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def get_video_resolution(input_video):
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command = [
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'ffprobe',
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'-v', 'error',
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'-select_streams', 'v:0',
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'-show_entries', 'stream=width,height',
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'-of', 'json',
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input_video
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]
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result = subprocess.run(command, stdout=subprocess.PIPE, stderr=subprocess.PIPE, text=True, check=True)
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video_info = json.loads(result.stdout)
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width = video_info['streams'][0]['width']
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height = video_info['streams'][0]['height']
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return width, height
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def calculate_new_resolution(width, height, max_resolution):
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aspect_ratio = width / height
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max_width, max_height = map(int, max_resolution.split('x'))
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if width > max_width or height > max_height:
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if (max_width / aspect_ratio) <= max_height:
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new_width = max_width
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new_height = round(new_width / aspect_ratio)
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else:
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new_height = max_height
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new_width = round(new_height * aspect_ratio)
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else:
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new_width, new_height = width, height
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new_width = 8 * round(new_width / 8)
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new_height = 8 * round(new_height / 8)
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return new_width, new_height
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def format_timestamp(ms):
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hours, ms = divmod(ms, 3600000)
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minutes, ms = divmod(ms, 60000)
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seconds, ms = divmod(ms, 1000)
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return f"{int(hours):02d}:{int(minutes):02d}:{int(seconds):02d}.{int(ms):03d}"
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def process_video(input_video, max_resolution, start_ms, end_ms, framerate):
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width, height = get_video_resolution(input_video)
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print(f"Original resolution: {width}x{height}")
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# new_width, new_height = calculate_new_resolution(width, height, max_resolution)
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# print(f"New resolution: {new_width}x{new_height}")
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start_time = format_timestamp(start_ms)
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duration_ms = end_ms - start_ms
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duration = format_timestamp(duration_ms)
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# get input video directory
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input_vid_dir = Path(input_video).absolute().parent
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output_video = input_vid_dir.joinpath(f"input.mp4")
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# os.makedirs(os.path.dirname(output_video), exist_ok=True)
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command = [
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'ffmpeg',
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'-y',
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'-i', input_video,
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'-ss', start_time,
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'-t', duration,
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# '-vf', f'scale={new_width}:{new_height}',
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'-r', str(framerate),
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'-c:v', 'libx264', '-preset', 'fast', '-crf', '22',
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'-c:a', 'aac', '-b:a', '128k',
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output_video
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]
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subprocess.run(command, check=True)
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print(f"Video processed successfully. Output saved as {output_video}")
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if __name__ == "__main__":
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if len(sys.argv) < 5:
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# print("Usage: python script.py <input_video> <max_resolution> <start_ms> <end_ms> <framerate>")
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print("Usage: python script.py <input_video> <start_ms> <end_ms> <framerate>")
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sys.exit(1)
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input_video = sys.argv[1]
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# max_resolution = sys.argv[2]
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max_resolution = None
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start_ms = int(sys.argv[2])
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end_ms = int(sys.argv[3])
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framerate = float(sys.argv[4])
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process_video(input_video, max_resolution, start_ms, end_ms, framerate)
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