def CodeVideo(videolist, outputdir, codetype='.mp4'):
if outputdir[-1] != '\\':
outputdir += '\\'
if codetype[0] != '.':
codetype = '.' + codetype
for onevideo in videolist:
title = onevideo['title']
# 处理弹幕
if 'danmu' in onevideo:
try:
danmaku2ass.Danmaku2ASS(input_format='Bilibili',
input_files=onevideo['danmu'],
output_file=outputdir + title + '.ass',
stage_width=onevideo['width'],
stage_height=onevideo['height'],
reserve_blank=480,
font_size=fontsize,
text_opacity=0.6,
duration_marquee=12.0,
duration_still=6.0)
except Exception as e:
return '错误[弹幕转换失败]因为:\n' + str(e)
# 处理视频
# ffmpeg -i video2.avi -i audio.mp3 -vcodec copy -acodec copy output.avi
cmd = r'.\"%s" -i "%s" -i "%s" -vcodec copy -acodec copy "%s"' % (
ffmpeg, onevideo['videofile'], onevideo['audiofile'],
outputdir + title + codetype)
os.system(cmd)
#res = os.popen(cmd)
return '编码完成'
def convert_comments(danmaku_url_or_raw, video_size):
if isinstance(danmaku_url_or_raw, str):
resp_comment = simply_get_url(danmaku_url_or_raw)
else:
resp_comment = danmaku_url_or_raw
comment_in = io.StringIO(resp_comment.decode('utf-8', 'replace'))
comment_out = tempfile.NamedTemporaryFile(mode='w', encoding='utf-8-sig', newline='\r\n', prefix='tmp-danmaku2ass-',
suffix='.ass', delete=False)
logging.info('Invoking Danmaku2ASS, converting to %s' % comment_out.name)
d2aflags = {}
d2a_args = dict({'stage_width': video_size[0], 'stage_height': video_size[1], 'font_face': 'SimHei',
'font_size': math.ceil(video_size[1] / 21.6), 'text_opacity': 0.8,
'duration_marquee': min(max(6.75 * video_size[0] / video_size[1] - 4, 3.0), 8.0),
'duration_still': 5.0, 'reserve_blank': video_size[1] // 10}, **d2aflags)
for i, j in ((('stage_width', 'stage_height', 'reserve_blank'), int),
(('font_size', 'text_opacity', 'comment_duration', 'duration_still', 'duration_marquee'), float)):
for k in i:
if k in d2aflags:
d2a_args[k] = j(d2aflags[k])
try:
danmaku2ass.Danmaku2ASS([comment_in], comment_out, **d2a_args)
except Exception as e:
logging.error('Danmaku2ASS failed, comments are disabled. {}'.format(e))
comment_out.flush()
comment_out.close() # Close the temporary file early to fix an issue related to Windows NT file sharing
return comment_out
def convert_to_ass(input_file, output_file):
print(
f'convert {input_file} -> {output_file} in {os.path.abspath(os.curdir)}'
)
danmaku2ass.Danmaku2ASS(
input_file,
'autodetect',
output_file,
1920,
1080,
text_opacity=0.25,
duration_marquee=25,
duration_still=25,
)
def get_comment_ass(video_size, comment_in, input_format, d2aflags={}):
'''Warpper for danmaku2ass.Danmaku2ASS to get comment in .ass format
comment_in must be an valid xml comment. It can be either filename or file content
'''
comment_out = tempfile.NamedTemporaryFile(mode='w',
encoding='utf-8-sig',
newline='\r\n',
prefix='tmp-danmaku2ass-',
suffix='.ass',
delete=False)
logging.info('Invoking Danmaku2ASS, converting to %s' % comment_out.name)
d2a_args = dict(
{
'stage_width':
video_size[0],
'stage_height':
video_size[1],
'font_face':
'SimHei',
'font_size':
math.ceil(video_size[1] / 21.6),
'text_opacity':
0.8,
'duration_marquee':
min(max(6.75 * video_size[0] / video_size[1] - 4, 3.0), 8.0),
'duration_still':
5.0
}, **d2aflags)
for i, j in ((('stage_width', 'stage_height', 'reserve_blank'), int),
(('font_size', 'text_opacity', 'comment_duration',
'duration_still', 'duration_marquee'), float)):
for k in i:
if k in d2aflags:
d2a_args[k] = j(d2aflags[k])
try:
danmaku2ass.Danmaku2ASS(input_files=[comment_in],
input_format=input_format,
output_file=comment_out,
**d2a_args)
except Exception as e:
log_or_raise(e, debug=debug)
logging.error('Danmaku2ASS failed, comments are disabled.')
comment_out.flush()
comment_out.close(
) # Close the temporary file early to fix an issue related to Windows NT file sharing
return comment_out
if os.path.splitext(file)[1] == '.flv':
# 拼接成完整路径
filePath = os.path.join(root_dir, file)
# 载入视频
video = VideoFileClip(filePath)
# 添加到数组
L.append(video)
# 拼接视频
final_clip = concatenate_videoclips(L)
# 生成目标视频文件
final_clip.to_videofile(os.path.join(root_dir,r'{}.mp4'.format(title)), fps=24, remove_temp=False)
print('[视频合并完成]')
else:
#视频只有一段则直接打印下载完成
print('[下载完成]:' + title)
print("[获取弹幕]:"+title)
xmlurl='https://comment.bilibili.com/'+cid+'.xml'
x = requests.get(xmlurl)
with open(xmlpath+'xml',"wb")as code:
code.write(x.content)
#urllib.request.urlretrieve(url=xmlurl,filename=os.path.join(currentVideoPath,r'{}.xml'.format(cid)))
#py=sys.path[5]+"\\python"
print("[弹幕转码]:调用danmaku2ass")
danmaku2ass.Danmaku2ASS(xmlpath+'xml',"autodetect",xmlpath+'ass',1920,1080,0,'MS PGothic',48,0.8,5,5,None,False)
#os.system(py+' .\\danmaku2ass.py -o ".\\'+title+'-'+str(num)+'.ass" -s 1920x1080 -fn MS PGothic -fs 48 -a 0.8 -dm 5 -ds 5 ".\\'+title+'-'+str(num)+'.xml"')
#拓展:分P视频:url相同,只是cid不同,通过url?p=1,2..分别找出每个分P的cid,带入请求得到下载地址
#如果是windows系统，下载完成后打开下载目录
if(sys.platform.startswith('win')):
os.startfile(currentVideoPath)
def extracVideo(partPath, outputPath):
partPath = Path(partPath)
outputPath = Path(outputPath)
if not os.path.exists(partPath / "entry.json"):
return
with open(partPath / "entry.json", 'r', encoding='utf-8') as file:
retDic = json.load(file)
print("retDic:" + str(retDic))
print("partPath:" + str(partPath))
if ("page_data" not in retDic) or ("type_tag" not in retDic) or \
("title" not in retDic):
return
pageData = retDic['page_data']
typeTag = retDic['type_tag']
videoTitle = retDic['title']
partTitle = pageData['part']
width = pageData['width']
height = pageData['height']
formatPartTitle = formatTitle(partTitle)
# https://docs.python.org/3/library/pathlib.html#pathlib.PurePath.with_suffix
# PurePath.with_suffix(suffix)
# Return a new path with the suffix changed. If the original path doesn’t have a suffix, the new suffix is appended instead. If the suffix is an empty string, the original suffix is removed:
outPutVideoName = Path(formatPartTitle).with_suffix(".mp4")
outputVideoPath = outputPath / outPutVideoName
#extract danmu file
if os.path.exists(partPath / "danmaku.xml"):
outAssName = (outputPath / formatPartTitle).with_suffix(".ass")
print(str(outAssName))
if os.path.exists(outAssName):
print(str(outAssName) + "extract down.")
else:
import danmaku2ass # reuse code in danmaku2ass.py
# when high resolution, make font larger
fontSize = 23.0
if width >= 1920:
fontSize = 36.0
danmaku2ass.Danmaku2ASS(str(partPath / "danmaku.xml"), "Bilibili" , str(outAssName), width, height,\
reserve_blank=480,font_size=fontSize, text_opacity=1, duration_marquee=12.0, duration_still=6.0) # to tune argus
fileRealPath = partPath / typeTag
oldAudioPath = fileRealPath / "audio.m4s"
oldVideoPath = fileRealPath / "video.m4s"
newAudioPath = fileRealPath / "audio.mp3"
newVideoPath = fileRealPath / "video.mp4"
if os.path.exists(oldAudioPath):
os.rename(oldAudioPath, newAudioPath)
if os.path.exists(oldVideoPath):
os.rename(oldVideoPath, newVideoPath)
if os.path.exists(outputVideoPath):
print(str(outputVideoPath) + " extract done!")
return
print(outputVideoPath)
# https://docs.python.org/3/library/subprocess.html
# https://stackoverflow.com/questions/25655173/does-pythons-subprocess-popen-accept-spaces-in-paths
# A string surrounded by double quotation marks is interpreted as a single argument, regardless of white space contained within. A quoted string can be embedded in an argument.
subprocess.call(
'ffmpeg -i "%s" -i "%s" -codec copy "%s"' %
(str(newVideoPath), str(newAudioPath), str(outputVideoPath)),
shell=True)