299 lines
10 KiB
Python
299 lines
10 KiB
Python
import os
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import subprocess
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from pathlib import Path
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import json
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import logging
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from datetime import datetime
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import shutil
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import time
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# ANSI color codes
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class Colors:
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PURPLE = '\033[95m'
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BLUE = '\033[94m'
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GREEN = '\033[92m'
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YELLOW = '\033[93m'
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RED = '\033[91m'
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ENDC = '\033[0m'
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def get_gpu_selection():
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while True:
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print(f"\n{Colors.BLUE}Select GPU slot:{Colors.ENDC}")
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print("0 - First GPU")
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print("1 - Second GPU")
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print("2 - Third GPU")
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gpu = input(f"{Colors.YELLOW}Enter GPU number (0-2):{Colors.ENDC} ").strip()
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if gpu in ['0', '1', '2']:
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return gpu
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print(f"{Colors.RED}Invalid selection. Please try again.{Colors.ENDC}")
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def get_bitrate():
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while True:
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print(f"\n{Colors.BLUE}Select video bitrate:{Colors.ENDC}")
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print("Common values: 5000k (5 Mbps), 8000k (8 Mbps), 10000k (10 Mbps), 15000k (15 Mbps)")
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bitrate = input(f"{Colors.YELLOW}Enter bitrate in kbps (e.g., 10000 for 10 Mbps):{Colors.ENDC} ").strip()
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try:
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bitrate_val = int(bitrate)
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if bitrate_val > 0:
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return bitrate_val
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print(f"{Colors.RED}Bitrate must be positive. Please try again.{Colors.ENDC}")
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except ValueError:
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print(f"{Colors.RED}Invalid input. Please enter a number.{Colors.ENDC}")
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# Custom file handler that silently handles I/O errors (for network shares)
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class SafeFileHandler(logging.FileHandler):
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"""File handler that silently handles I/O errors during flush"""
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def flush(self):
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"""Override flush to silently handle I/O errors"""
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try:
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super().flush()
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except (OSError, IOError):
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pass
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except Exception:
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pass
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def emit(self, record):
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"""Override emit to handle errors gracefully"""
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try:
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super().emit(record)
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except (OSError, IOError):
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self.handleError(record)
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except Exception:
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self.handleError(record)
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def handleError(self, record):
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"""Override to prevent error messages from being printed"""
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pass
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# Set up logging
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log_dir = "logs"
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os.makedirs(log_dir, exist_ok=True)
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log_file = os.path.join(log_dir, f"encode_{datetime.now().strftime('%Y%m%d_%H%M%S')}.log")
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handler = SafeFileHandler(log_file, mode='w', encoding='utf-8')
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handler.setLevel(logging.INFO)
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formatter = logging.Formatter('%(asctime)s - %(levelname)s - %(message)s')
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handler.setFormatter(formatter)
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logger = logging.getLogger()
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logger.setLevel(logging.INFO)
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logger.addHandler(handler)
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logger.handlers = [handler]
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def get_file_info(input_file):
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cmd = [
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'ffprobe',
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'-v', 'error',
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'-show_entries', 'format=duration,size:stream=codec_name,width,height,r_frame_rate,channels,channel_layout',
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'-of', 'json',
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input_file
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]
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result = subprocess.run(cmd, capture_output=True, text=True, encoding='utf-8', errors='replace')
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return json.loads(result.stdout)
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def get_audio_labels(input_file):
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cmd = [
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'ffprobe',
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'-v', 'error',
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'-select_streams', 'a',
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'-show_entries', 'stream=index:stream_tags=title',
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'-of', 'json',
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input_file
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]
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result = subprocess.run(cmd, capture_output=True, text=True, encoding='utf-8', errors='replace')
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info = json.loads(result.stdout)
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labels = []
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for stream in info.get('streams', []):
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title = stream.get('tags', {}).get('title', None)
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labels.append(title)
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return labels
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def format_size(size_bytes):
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for unit in ['B', 'KB', 'MB', 'GB']:
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if size_bytes < 1024:
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return f"{size_bytes:.2f} {unit}"
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size_bytes /= 1024
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return f"{size_bytes:.2f} TB"
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def safe_log_info(message, print_msg=None):
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try:
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logging.info(message)
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except (OSError, IOError) as e:
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if print_msg is None:
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print(f"{Colors.YELLOW}[Logging failed: {e}] {message}{Colors.ENDC}")
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else:
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print(print_msg)
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print(f"{Colors.YELLOW}[Logging failed: {e}]{Colors.ENDC}")
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return
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except Exception as e:
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if print_msg is None:
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print(f"{Colors.YELLOW}[Logging error: {e}] {message}{Colors.ENDC}")
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else:
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print(print_msg)
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print(f"{Colors.YELLOW}[Logging error: {e}]{Colors.ENDC}")
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return
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if print_msg is not None:
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print(print_msg)
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def safe_log_error(message, print_msg=None):
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try:
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logging.error(message)
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except (OSError, IOError) as e:
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if print_msg is None:
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print(f"{Colors.RED}[Logging failed: {e}] {message}{Colors.ENDC}")
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else:
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print(print_msg)
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print(f"{Colors.RED}[Logging failed: {e}]{Colors.ENDC}")
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return
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except Exception as e:
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if print_msg is None:
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print(f"{Colors.RED}[Logging error: {e}] {message}{Colors.ENDC}")
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else:
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print(print_msg)
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print(f"{Colors.RED}[Logging error: {e}]{Colors.ENDC}")
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return
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if print_msg is not None:
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print(print_msg)
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else:
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print(f"{Colors.RED}{message}{Colors.ENDC}")
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def encode_dvr(input_file, output_dir, gpu, bitrate):
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input_path = Path(input_file)
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output_path = Path(output_dir) / f"{input_path.stem}{input_path.suffix}"
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b_v = f"{bitrate}k"
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maxrate = f"{bitrate}k"
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bufsize = f"{bitrate * 2}k"
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file_info = get_file_info(str(input_path))
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input_size = int(file_info['format']['size'])
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duration = float(file_info['format']['duration'])
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safe_log_info(f"Processing file: {input_path}")
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safe_log_info(f"Input size: {format_size(input_size)}")
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safe_log_info(f"Duration: {duration:.2f} seconds")
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safe_log_info(f"Bitrate settings - b:v: {b_v}, maxrate: {maxrate}, bufsize: {bufsize}")
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print(f"\n{Colors.BLUE}Processing file: {input_path}{Colors.ENDC}")
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print(f"Input size: {format_size(input_size)}")
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print(f"Duration: {duration:.2f} seconds")
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print(f"Bitrate settings - b:v: {b_v}, maxrate: {maxrate}, bufsize: {bufsize}")
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for i, stream in enumerate(file_info.get('streams', [])):
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stream_type = 'Video' if stream.get('codec_name', '').startswith('h') else 'Audio'
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safe_log_info(f"Stream {i} ({stream_type}):")
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for key, value in stream.items():
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safe_log_info(f" {key}: {value}")
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if output_path.exists():
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output_size = output_path.stat().st_size
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safe_log_info(f"Skipping {input_path} - output already exists: {output_path}")
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safe_log_info(f"Output size: {format_size(output_size)}")
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print(f"{Colors.YELLOW}Skipping {input_path} - output already exists{Colors.ENDC}")
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return
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audio_labels = get_audio_labels(str(input_path))
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safe_log_info(f"Audio labels: {audio_labels}")
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cmd = [
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'ffmpeg',
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'-v', 'info',
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'-stats',
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'-stats_period', '1.0',
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'-i', str(input_path),
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'-c:v', 'hevc_nvenc',
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'-gpu', gpu,
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'-preset', 'p7',
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'-tune', 'hq',
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'-rc', 'vbr',
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'-rc-lookahead', '32',
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'-spatial-aq', '1',
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'-aq-strength', '15',
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'-cq', '0',
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'-b:v', b_v,
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'-maxrate', maxrate,
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'-bufsize', bufsize,
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'-c:a', 'copy',
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'-map', '0',
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]
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for idx, label in enumerate(audio_labels):
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if label:
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cmd += [f'-metadata:s:a:{idx}', f'title={label}']
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cmd.append(str(output_path))
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try:
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process = subprocess.Popen(
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cmd,
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stdout=subprocess.PIPE,
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stderr=subprocess.STDOUT,
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universal_newlines=True,
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encoding='utf-8',
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errors='replace',
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bufsize=1
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)
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for line in iter(process.stdout.readline, ''):
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if not line:
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break
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text = line.strip()
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try:
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if text.startswith('frame=') or ' fps=' in text:
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safe_log_info(f"Progress: {text}", f"{Colors.PURPLE}Progress: {text}{Colors.ENDC}")
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else:
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safe_log_info(f"FFmpeg: {text}", f"{Colors.GREEN}FFmpeg: {text}{Colors.ENDC}")
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except (OSError, IOError) as e:
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safe_log_error(f"I/O error reading FFmpeg output: {e}")
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break
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except Exception as e:
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safe_log_error(f"Unexpected error processing FFmpeg output: {e}")
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process.wait()
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if process.returncode == 0:
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output_info = get_file_info(str(output_path))
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output_size = int(output_info['format']['size'])
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compression_ratio = input_size / output_size if output_size > 0 else 0
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safe_log_info(f"Successfully encoded: {output_path}", f"{Colors.GREEN}Successfully encoded: {output_path}{Colors.ENDC}")
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safe_log_info(f"Output size: {format_size(output_size)}")
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safe_log_info(f"Compression ratio: {compression_ratio:.2f}x", f"Compression ratio: {compression_ratio:.2f}x")
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else:
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return_code = process.returncode
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if return_code > 2147483647:
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return_code = return_code - 4294967296
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safe_log_error(f"FFmpeg process failed with return code {return_code}",
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f"{Colors.RED}FFmpeg process failed with return code {return_code}{Colors.ENDC}")
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except subprocess.CalledProcessError as e:
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safe_log_error(f"Error encoding {input_path}: {e}", f"{Colors.RED}Error encoding {input_path}: {e}{Colors.ENDC}")
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except Exception as e:
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safe_log_error(f"Unexpected error encoding {input_path}: {type(e).__name__}: {e}",
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f"{Colors.RED}Unexpected error encoding {input_path}: {e}{Colors.ENDC}")
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if __name__ == "__main__":
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gpu = get_gpu_selection()
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safe_log_info(f"Selected GPU: {gpu}")
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bitrate = get_bitrate()
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safe_log_info(f"Selected bitrate: {bitrate}k")
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input_dir = "input"
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output_dir = "output"
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os.makedirs(output_dir, exist_ok=True)
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files = [f for f in os.listdir(input_dir) if f.endswith(('.mp4', '.DVR.mp4'))]
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total_files = len(files)
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if total_files == 0:
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safe_log_info("No files to process in input directory", f"{Colors.YELLOW}No files to process in input directory{Colors.ENDC}")
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else:
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safe_log_info(f"Found {total_files} files to process", f"{Colors.BLUE}Found {total_files} files to process{Colors.ENDC}")
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for i, file in enumerate(files, 1):
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input_file = os.path.join(input_dir, file)
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safe_log_info(f"Processing file {i}/{total_files}: {file}")
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print(f"\n{Colors.BLUE}Processing file {i}/{total_files}: {file}{Colors.ENDC}")
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encode_dvr(input_file, output_dir, gpu, bitrate)
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