dvd_rip/transcoder/transcode_dvd.py

151 lines
4.1 KiB
Python
Executable File

#!/usr/bin/env python3
import os
import subprocess
import shutil
from datetime import datetime
TMP_DIR = "tmp"
RAW_DIR = "raw"
TRANSCODED_DIR = "transcoded"
LOGFILE = "transcode.log"
HANDBRAKE_PRESET = "General/HQ 1080p30 Surround"
HANDBRAKE_AUDIO_LANG_LIST = "de,en"
OUT_VIDEO_FORMAT = ".m4v"
MIN_EPISODES_DURATION_SECONDS = 10 * 60
def main():
chdir_to_script_dir()
mkdirs()
for dvd_type in ("movie", "series"):
for dvd in filter(is_dvd_files_not_locked, list_ripped_dvds(dvd_type)):
print(f"Transcoding {dvd_type} {dvd}")
# TOOD: nice transcoding process so it does not block server
success = transcode_ripped_dvd(dvd, dvd_type)
dvd_title = os.path.basename(dvd)
if success:
mv_video_from_tmp_to_transcoded_dir(dvd_title, dvd_type)
write_to_logfile(dvd_type, dvd_title, "Success")
delete_original_video_files(dvd)
delete_transcoding_logfile(dvd)
print("Success")
else:
write_to_logfile(dvd_type, dvd_title, "FAILURE")
err_log_file = dvd + ".err.log"
print(f"Failed. Please see logs at {err_log_file}")
delete_tmp_dir()
def chdir_to_script_dir():
os.chdir(os.path.dirname(__file__))
def mkdirs():
os.makedirs(TMP_DIR, exist_ok=True)
os.makedirs(TRANSCODED_DIR, exist_ok=True)
os.makedirs(RAW_DIR, exist_ok=True)
os.makedirs(os.path.join(RAW_DIR, "movie"), exist_ok=True)
os.makedirs(os.path.join(RAW_DIR, "series"), exist_ok=True)
def list_ripped_dvds(dvd_type):
path = os.path.join(RAW_DIR, dvd_type)
try:
dvd_titles = os.listdir(path)
dvd_titles = filter(lambda title: not title.endswith(".lock"), dvd_titles)
dvd_titles = filter(lambda title: not title.endswith(".err.log"), dvd_titles)
dvd_titles = filter(lambda title: not title.endswith(".log"), dvd_titles)
return map(lambda dvd_title: os.path.join(path, dvd_title), dvd_titles)
except FileNotFoundError:
print(
f"Directory {path} not found. Running the ripper script will generate it."
)
exit(1)
def is_dvd_files_not_locked(dvd):
return not os.path.exists(dvd + ".lock") and not os.path.exists(dvd + ".err.log")
def transcode_ripped_dvd(ripped_dvd, dvd_type):
if dvd_type == "movie":
return transcode_movie(ripped_dvd)
else:
return transcode_series(ripped_dvd)
def transcode_movie(movie):
video_file_name = os.path.basename(movie) + OUT_VIDEO_FORMAT
output_file = os.path.join(TMP_DIR, video_file_name)
log_file_path = movie + ".log"
with open(log_file_path, "w") as log_file:
proc = subprocess.run(
[
"HandBrakeCLI",
"--preset",
HANDBRAKE_PRESET,
"--main-feature",
"--first-audio",
"--audio-lang-list",
HANDBRAKE_AUDIO_LANG_LIST,
"--input",
movie,
"--output",
output_file,
],
stderr=subprocess.STDOUT,
stdout=log_file,
)
return proc.returncode == 0
def transcode_series(series):
# --min-duration MIN_EPISODES_DURATION
# --title 1
# --title 2
# etc
pass
def mv_video_from_tmp_to_transcoded_dir(video_title, video_type):
src = os.path.join(TMP_DIR, video_title)
dst = os.path.join(TRANSCODED_DIR, video_type, video_title)
shutil.move(src, dst)
def write_to_logfile(dvd_type, dvd_title, tag):
date = datetime.now().strftime("%d.%m.%Y %H:%M:%S")
log_line = f'{date} - {dvd_type} - "{dvd_title}" - {tag}'
with open(LOGFILE, "a") as file:
file.write(log_line + "\n")
def delete_transcoding_logfile(dvd):
os.remove(dvd + ".log")
def rename_transcoding_logfile_as_error_log(dvd):
shutil.move(dvd + ".log", dvd + ".err.log")
def delete_original_video_files(folder):
os.rmdir(folder)
def delete_tmp_dir():
try:
os.rmdir(os.path.join(TMP_DIR))
except FileNotFoundError:
pass
if __name__ == "__main__":
main()