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328
vid_convert.py
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328
vid_convert.py
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#!/usr/bin/env python3
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# -*- coding: utf-8 -*-
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import json
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import subprocess
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import logging
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from os import listdir, remove
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def get_infos(file):
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'''
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Cette fonction extrait les informations du film à l'aide de ffprobe et les stocke
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dans un dictionnaire pour une utilisation ultérieure.
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-> http://ffmpeg.org/ffprobe.html
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'''
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v_infos = {
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'index': None,
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'height': None,
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'width': None,
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'color_primaries': None,
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'color_space': None,
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'color_transfer': None,
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'pix_fmt': None,
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'display_aspect_ratio': None,
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}
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a_infos = {}
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v_infos_cmd = f'ffprobe -v quiet -print_format json -show_format -show_streams -show_frames -read_intervals "%+#1" -select_streams v {file}'
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v_infos_raw = subprocess.getoutput(v_infos_cmd)
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a_infos_cmd = f"ffprobe -v quiet -print_format json -show_format -show_streams -select_streams a {file}"
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a_infos_raw = subprocess.getoutput(a_infos_cmd)
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s_infos_cmd = f"ffprobe -v quiet -print_format json -show_streams -select_streams s {file}"
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s_infos_raw = subprocess.getoutput(s_infos_cmd)
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full_v_infos = json.loads(v_infos_raw)
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full_a_infos = json.loads(a_infos_raw)
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full_s_infos = json.loads(s_infos_raw)
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v_stream = full_v_infos['streams'][0]
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for prop in v_infos.keys():
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try:
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v_infos.update({prop: v_stream[prop]})
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except KeyError:
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pass
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try:
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v_infos.update({'side_data_list': full_v_infos['frames'][0]['side_data_list']})
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except KeyError:
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pass
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a_infos = []
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for a_stream in full_a_infos['streams']:
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a_stream_infos = {
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'index': a_stream['index'],
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'channels': a_stream['channels'],
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'channel_layout': a_stream['channel_layout'],
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'language': a_stream['tags']['language']
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}
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try:
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a_stream_infos.update({'title': a_stream['tags']['title']})
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except KeyError:
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a_stream_infos.update({'title': 'No title'})
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a_infos.append(a_stream_infos)
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s_infos = []
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for s_stream in full_s_infos['streams']:
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s_stream_infos = {
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'index': s_stream['index'],
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'language': s_stream['tags']['language']}
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s_infos.append(s_stream_infos)
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duration = subprocess.getoutput(f"ffprobe -v quiet -print_format json -show_format {file}")
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duration = json.loads(duration)
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duration = float(duration['format']['duration'])
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hdr10_v_cmd = f'ffmpeg -loglevel panic -i {file} -c:v copy -vbsf hevc_mp4toannexb -f hevc - | hdr10plus_parser -o metadata.json --verify -'
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hdr10_v_raw = subprocess.getoutput(hdr10_v_cmd)
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if 'metadata detected' in hdr10_v_raw:
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hdr10_cmd = f'ffmpeg -loglevel panic -i {file} -c:v copy -vbsf hevc_mp4toannexb -f hevc - | hdr10plus_parser -o /tmp/{file}_hdr10_metadata.json -'
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hdr10_cmd_res = subprocess.getoutput(hdr10_cmd)
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logging.debug(hdr10_cmd_res)
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v_infos.update({'hdr10plus': True, 'hdr10plus_metadata': f'/tmp/{file}_hdr10_metadata.json'})
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infos = {'duration': duration, 'video': v_infos, 'audio': a_infos, 'subtitles': s_infos}
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logging.debug("Informations du film : \n" + json.dumps(infos, indent=True))
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return infos
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def is_interlaced(file, infos):
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'''
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Cette fonction detecte si la vidéo est entrelacée.
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-> https://fr.wikipedia.org/wiki/Entrelacement_(vid%C3%A9o)
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'''
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duration_tier = int(infos['duration'] / 3)
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command = f"ffmpeg -loglevel info -ss {duration_tier} -t {duration_tier} -i {file} -an -filter:v idet -f null -y /dev/null"
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result = subprocess.getoutput(command)
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for line in result.splitlines():
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if "Multi" in line:
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TFF = int(line.split('TFF:')[1].split()[0])
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BFF = int(line.split('BFF:')[1].split()[0])
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Progressive = int(line.split('Progressive:')[1].split()[0])
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try:
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pct = ((TFF + BFF) / (TFF + BFF + Progressive)) * 100
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pct = round(pct)
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except ZeroDivisionError:
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pct = 100
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if pct > 10:
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logging.debug(f"Vidéo entrelacée à {pct}%")
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return True
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else:
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logging.debug("Vidéo non entrelacée")
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return False
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def cropping(file, infos):
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'''
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Cette fonction detecte les bandes inutiles de la vidéo
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'''
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logging.info("Détection de la taille de l'image...")
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duration_tier = int(infos['duration'] / 3)
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command = f"ffmpeg -loglevel info -i {file} -ss {duration_tier} -t {duration_tier} -an -f null -vf cropdetect -y /dev/null"
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logging.debug(command)
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cropsize = subprocess.getoutput(command).splitlines()[-3].split()[-1]
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logging.debug(f"Paramètre de découpe : {cropsize}")
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return cropsize
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def volume_audio(file, infos):
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'''
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Cette fonction ajuste le volume vers 0dB
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'''
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volumes = {}
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for piste_audio in infos['audio']:
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piste = piste_audio['index']
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command = f"ffmpeg -loglevel info -i {file} -map 0:{piste} -af volumedetect -f null -y /dev/null"
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logging.info(f"Détection du volume de la piste {piste}...")
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logging.debug(command)
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volumedetect = subprocess.getoutput(command)
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for line in volumedetect.splitlines():
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if "max_volume" in line:
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volume = line.split()[-2]
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volume = f"{str(-float(volume))}dB"
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logging.debug(f"Ajustement du volume de la piste {piste} : {volume}")
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volumes.update({piste: volume})
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return volumes
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def stabilization(file):
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'''
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Cette fonction permet de stabiliser l'image,
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par exemple quand filmé au smartphone.
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'''
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cmd_stab = f'ffmpeg -i {file} -vf vidstabdetect=shakiness=10:accuracy=10:result="/tmp/vidstab.trf" -f null - '
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subprocess.getoutput(cmd_stab)
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def extract_subs(file, track, lang):
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command = f'ffmpeg -loglevel error -i {file} -map 0:{track} -map_metadata -1 -vn -an -c:s copy -metadata language="{lang}" -y {file}_subtitle_{track}_{lang}.mkv'
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logging.info(f"Extraction du sous-titre {track}, langue : {lang}...")
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logging.debug(command)
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result = subprocess.getoutput(command)
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if result != "":
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logging.error(result)
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def convert_audio(file, track, volume_adj, channels, channel_layout, language, title):
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if channel_layout == "5.1(side)":
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channel_layout = "5.1"
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codec = 'libfdk_aac -vbr 5'
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metadatas = f'-metadata language="{language}" -metadata title="{title}"'
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command = f'ffmpeg -loglevel error -i {file} -map 0:{track} -map_metadata -1 -vn -sn -c:a {codec} -mapping_family 1 -filter:a volume={volume_adj},aformat=channel_layouts={channel_layout} {metadatas} -y {file}_audio_{track}_{language}.mka'
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logging.debug(command)
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result = subprocess.getoutput(command)
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if result != "":
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logging.error(result)
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def convert_video(file, infos, start, crop, crf, animation, interlaced, vhs):
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str_start = "{:05d}".format(start)
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output = f'{file}_video_t{str_start}.mkv'
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fmt = "yuv420p10le"
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track = infos['video']['index']
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codec = 'libx265 -preset slower'
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hdr = ''
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if animation:
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tune = "-tune animation"
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else:
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tune = ""
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if interlaced:
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crop = f"{crop},yadif"
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if vhs:
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crop = f"{crop},hqdn3d,unsharp=5:5:0.8:3:3:0.4"
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if 'side_data_list' in infos['video'].keys():
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try:
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light_level = f"{infos['video']['side_data_list'][1]['max_content']},{infos['video']['side_data_list'][1]['max_average']}"
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color_primaries = infos['video']['color_primaries']
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color_transfer = infos['video']['color_transfer']
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color_space = infos['video']['color_space']
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green_x = infos['video']['side_data_list'][0]['green_x'].split('/')
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green_x = int(int(green_x[0])*(int(green_x[1])/50000))
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green_y = infos['video']['side_data_list'][0]['green_y'].split('/')
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green_y = int(int(green_y[0])*(int(green_y[1])/50000))
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green = f'G\({green_x},{green_y}\)'
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blue_x = infos['video']['side_data_list'][0]['blue_x'].split('/')
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blue_x = int(int(blue_x[0])*(int(blue_x[1])/50000))
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blue_y = infos['video']['side_data_list'][0]['blue_y'].split('/')
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blue_y = int(int(blue_y[0])*(int(blue_y[1])/50000))
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blue = f'B\({blue_x},{blue_y}\)'
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red_x = infos['video']['side_data_list'][0]['red_x'].split('/')
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red_x = int(int(red_x[0])*(int(red_x[1])/50000))
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red_y = infos['video']['side_data_list'][0]['red_y'].split('/')
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red_y = int(int(red_y[0])*(int(red_y[1])/50000))
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red = f'R\({red_x},{red_y}\)'
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white_point_x = infos['video']['side_data_list'][0]['white_point_x'].split('/')
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white_point_x = int(int(white_point_x[0])*(int(white_point_x[1])/50000))
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white_point_y = infos['video']['side_data_list'][0]['white_point_y'].split('/')
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white_point_y = int(int(white_point_y[0])*(int(white_point_y[1])/50000))
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white_point = f'WP\({white_point_x},{white_point_y}\)'
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min_luminance = infos['video']['side_data_list'][0]['min_luminance'].split('/')
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min_luminance = int(int(min_luminance[0])*(int(min_luminance[1])/10000))
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max_luminance = infos['video']['side_data_list'][0]['max_luminance'].split('/')
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max_luminance = int(int(max_luminance[0])*(int(max_luminance[1])/10000))
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luminance = f'L\({max_luminance},{min_luminance}\)'
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master_display = green + blue + red + white_point + luminance
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hdr = f'-x265-params hdr-opt=1:repeat-headers=1:colorprim={color_primaries}:transfer={color_transfer}:colormatrix={color_space}:master-display={master_display}:max-cll={light_level}'
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except Exception as err:
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logging.debug(f"Aucune information HDR : {err}")
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command = f'ffmpeg -loglevel error -i {file} -map 0:{track} -ss {start} -t 300 -an -sn -c:v {codec} {tune} {hdr} -crf {crf} -pix_fmt {fmt} -filter:v {crop} -y {output}'
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logging.debug(command)
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result = subprocess.getoutput(command)
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if result != "":
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logging.error(result)
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def create_mkv(filename):
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json_data = []
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json_data.append("--output")
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json_data.append(f"{filename}_FINAL.mkv")
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for file in listdir():
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if f"{filename}_video_t" in file:
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json_data.append("--no-track-tags")
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json_data.append("--no-global-tags")
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json_data.append("--no-chapters")
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if "t00000" not in file:
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json_data.append("+")
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json_data.append("(")
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json_data.append(file)
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json_data.append(")")
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for file in listdir():
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if f"{filename}_audio" in file:
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lang = file[-7:][:-4]
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json_data.append("--no-track-tags")
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json_data.append("--no-global-tags")
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json_data.append("--no-chapters")
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json_data.append("--language")
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json_data.append(f"0:{lang}")
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json_data.append("(")
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json_data.append(file)
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json_data.append(")")
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for file in listdir():
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if f"{filename}_subtitle" in file:
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json_data.append("--no-track-tags")
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json_data.append("--no-global-tags")
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json_data.append("--no-chapters")
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lang = file[-7:][:-4]
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json_data.append("--language")
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json_data.append(f"0:{lang}")
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json_data.append("(")
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json_data.append(file)
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json_data.append(")")
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with open(f"/tmp/{filename}.json", "w") as mkvmerge_options:
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mkvmerge_options.write(json.dumps(json_data))
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command = f"mkvmerge -v @/tmp/{filename}.json"
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logging.debug(command)
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result = subprocess.getoutput(command)
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logging.info(result)
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remove(f"/tmp/{filename}.json")
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for file in listdir():
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if f"{filename}_video" in file:
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remove(file)
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if f"{filename}_audio" in file:
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remove(file)
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if f"{filename}_subtitle" in file:
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remove(file)
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def mkv_to_mp4(filename):
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options = "-c:a copy -c:v copy -c:s copy -movflags faststart"
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command = f"ffmpeg -loglevel error -i {filename}_FINAL.mkv -map 0 {options} -y NEW_{filename}.mp4"
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result = subprocess.getoutput(command)
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if result != "":
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logging.error(result)
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else:
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remove(f"{filename}_FINAL.mkv")
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if __name__ == '__main__':
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import argparse
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parser = argparse.ArgumentParser()
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parser.add_argument("f_input")
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parser.add_argument("-d", "--debug", dest="debug", action="store_true")
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parser.add_argument("-s", "--stabilise", dest="stab", action="store_true")
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parser.add_argument("-t", "--starttime", dest="starttime")
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parser.add_argument("-a", "--animation", dest="animation", action="store_true")
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parser.add_argument("-c", "--vhs", dest="vhs", action="store_true")
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args = parser.parse_args()
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if args.debug:
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logging.basicConfig(format='[%(asctime)s]\n%(message)s', level=logging.DEBUG, datefmt='%d/%m/%Y %H:%M:%S')
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else:
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logging.basicConfig(format='[%(asctime)s]\n%(message)s', level=logging.INFO, datefmt='%d/%m/%Y %H:%M:%S')
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file = args.f_input
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infos = get_infos(file)
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interlaced = is_interlaced(file, infos)
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cropsize = cropping(file, infos)
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volumes = volume_audio(file, infos)
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if args.stab:
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stabilization(file)
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if args.animation:
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||||||
|
animation = True
|
||||||
|
else:
|
||||||
|
animation = False
|
||||||
|
if not args.starttime:
|
||||||
|
for track in infos['subtitles']:
|
||||||
|
extract_subs(file, track['index'], track['language'])
|
||||||
|
for track in infos['audio']:
|
||||||
|
convert_audio(file, track['index'], volumes[track['index']], track['channels'], track['channel_layout'], track['language'], track['title'])
|
||||||
|
if args.starttime:
|
||||||
|
vid_part_time = int(args.starttime)
|
||||||
|
else:
|
||||||
|
vid_part_time = 0
|
||||||
|
while vid_part_time < infos['duration']:
|
||||||
|
crf = 19
|
||||||
|
convert_video(file, infos, vid_part_time, cropsize, crf, animation, interlaced, args.vhs)
|
||||||
|
vid_part_time += 300
|
||||||
|
create_mkv(file)
|
||||||
|
mkv_to_mp4(file)
|
||||||
Loading…
Reference in New Issue
Block a user