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main.py
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main.py
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import json
import os
import hashlib
import subprocess
path_download = r'E:\TempFiles\bilivideo' # 缓存视频目录
path_output = r'E:\TempFiles\bilivideo' # 视频输出目录
path_ffmpeg = r'ffmpeg' # ffmpeg路径
path_ffprobe = 'ffprobe' # ffprobe路径 用于读取视频分辨率
path_DanmakuFactory = r'E:\OneDrive\Projects\MobileBiliDownloadVideoConvert\DanmakuFactory\DanmakuFactory_REL1.62CLI.exe' # 弹幕转换程序路径
# 支持的变量 %avid %bvid %title %page_id %page_name %cid
filename_output = '%title - %page_id.%page_name' # 输出文件名
# 生成输出文件名
def make_output_name(_page_info: dict):
_output_name = filename_output
is_season = 'season_id' in _page_info.keys() # 是否番剧
if is_season:
# 番剧
sub_data = _page_info['ep']
_output_name = _output_name.replace('%page_name', sub_data['index'])
_output_name = _output_name.replace('%avid', str(sub_data['av_id']))
_output_name = _output_name.replace('%bvid', sub_data['bvid'])
_output_name = _output_name.replace('%cid', str(_page_info['source']['cid']))
else:
# 普通视频
sub_data = _page_info['page_data']
_output_name = _output_name.replace('%avid', str(_page_info['avid']))
try:
_output_name = _output_name.replace('%bvid', _page_info['bvid'])
except KeyError:
_output_name = _output_name.replace('%bvid', 'null')
_output_name = _output_name.replace('%cid', str(sub_data['cid']))
try:
_output_name = _output_name.replace('%page_name', sub_data['part'])
except KeyError:
_output_name = _output_name.replace('%page_name', _page_info['title'])
_output_name = _output_name.replace('%page_id', str(sub_data['page']))
_output_name = _output_name.replace('%title', _page_info['title'])
return get_usable_filename(_output_name)
# 获取文件md5
def get_file_md5(filename):
m = hashlib.md5()
with open(filename, 'rb') as _f:
m.update(_f.read())
return m.hexdigest()
# 转换为windows可用的文件名
def get_usable_filename(filename: str):
filename = filename.replace('/', '_')
filename = filename.replace('\\', '_')
filename = filename.replace('*', '_')
filename = filename.replace('?', '_')
filename = filename.replace('"', '_')
filename = filename.replace('<', '_')
filename = filename.replace('>', '_')
filename = filename.replace('|', '_')
filename = filename.replace(':', '_')
return filename
# 检查音视频文件md5
def check_md5(media_path: str, old=False):
path_check = os.path.join(media_path, 'index.json')
with open(path_check, 'r') as _f:
data = json.load(_f)
if not old:
_path_video = os.path.join(media_path, 'video.m4s')
_path_audio = os.path.join(media_path, 'audio.m4s')
md5_video = get_file_md5(_path_video)
if md5_video != data['video'][0]['md5']:
return False
md5_audio = get_file_md5(_path_audio)
if md5_audio != data['audio'][0]['md5']:
return False
return True
else:
segment_list = data['segment_list']
for index, segment in enumerate(segment_list):
md5_media = segment['md5']
_path_media = os.path.join(media_path, f'{str(index)}.blv')
md5_file = get_file_md5(_path_media)
if md5_file != md5_media:
return False
return True
if __name__ == '__main__':
list_avs = os.listdir(path_download) # 枚举当前目录所有文件
for path in list_avs: # 逐av遍历
if not os.path.isdir(os.path.join(path_download, path)):
continue # 跳过非文件夹
path_current = os.path.join(path_download, path) # 当前av绝对路径
list_pages = os.listdir(path_current) # 枚举所有分P
multi_pages = len(list_pages) > 1 # 是否多P
for page in list_pages: # 逐分P遍历
if not os.path.isdir(os.path.join(path_current, page)):
continue # 跳过非文件夹
path_page = os.path.join(path_current, page) # 分P绝对路径
try: # 排除非分P目录
with open(os.path.join(path_page, 'entry.json'), 'r', encoding='utf8') as f:
page_info: dict = json.load(f)
except (FileNotFoundError, ValueError):
print(f'{path_page} is not a page dir')
continue
info_title = page_info['title'] # av标题
# 多P创建目录
path_output_current = path_output
if multi_pages:
path_output_current = os.path.join(path_output_current, get_usable_filename(info_title))
if not os.path.isdir(path_output_current):
os.mkdir(path_output_current)
info_type_tag = page_info['type_tag']
path_media = os.path.join(path_page, info_type_tag)
output_name = make_output_name(page_info)
path_output_file = os.path.join(path_output_current, output_name)
# 判断新旧版本客户端缓存的视频
# 旧版本：音视频一体/多段
# 新版本：音视频分离
if info_type_tag == 'lua.flv.bili2api.80':
if not check_md5(path_media, True):
print(f'{path_media} md5校验失败')
continue
path_check = os.path.join(path_media, 'index.json')
with open(path_check, 'r') as _f:
n_file = len(json.load(_f)['segment_list'])
list_content = ''
for index in range(1, n_file):
abs_path = os.path.join(path_media, f'{str(index)}.blv')
list_content += f"file '{abs_path}'\n"
list_content = list_content.replace('\\', '\\\\')
import uuid
path_filelist = f'{str(uuid.uuid4())}.txt'
path_filelist = os.path.join(path_output_current, path_filelist)
with open(path_filelist, 'w', encoding='utf8') as f:
f.write(list_content)
to_run_cmd = f'"{path_ffmpeg}" -y -f concat -safe 0 -i "{path_filelist}" -c copy "{path_output_file}.mp4"'
else:
if not check_md5(path_media):
print(f'{path_media} md5校验失败')
continue
path_video = os.path.join(path_media, 'video.m4s')
path_audio = os.path.join(path_media, 'audio.m4s')
to_run_cmd = f'"{path_ffmpeg}" -y -i "{path_video}" -i "{path_audio}" -c copy "{path_output_file}.mp4"'
# print(to_run_cmd)
process = subprocess.Popen(to_run_cmd, shell=True, stdout=subprocess.PIPE, stderr=subprocess.STDOUT)
process.stdout.close()
process.wait()
if info_type_tag == 'lua.flv.bili2api.80':
os.remove(path_filelist)
if process.returncode == 0:
print(f'{path_page} -> {path_output_file}')
else:
print(f'{path_page} -> {path_output_file} 失败')
# 弹幕转换
path_danmaku = os.path.join(path_page, 'danmaku.xml')
if os.path.isfile(path_danmaku):
to_run_cmd = f'"{path_ffprobe}" -v error -select_streams v:0 -show_entries stream=width,height -of json "{path_output_file}.mp4"'
value = subprocess.check_output(to_run_cmd)
data = json.loads(value)
data = data['streams'][0]
to_run_cmd = f'"{path_DanmakuFactory}" -r {data["width"]}x{data["height"]} -i "{path_danmaku}" -o "{path_output_file}.ass" --ignore-warnings'
# print(to_run_cmd)
process = subprocess.Popen(to_run_cmd, shell=True, stdout=subprocess.PIPE, stderr=subprocess.STDOUT)
process.stdout.close()
process.wait()