def _create_and_upload_ru_mono_video(orig_mp4_filename, ts_title_filename,
ts_rest_filename):
concat_str = _get_concat_args(ts_title_filename, ts_rest_filename)
ru_mono_titled_mp4_filename = meta.get_work_filename(
orig_mp4_filename, ' ru_mono titled.mkv')
cmd = [
'D:\\video\\GoswamiMj-videos\\ffmpeg-hi8-heaac.exe', '-y', '-i',
concat_str
]
cmd += ffmpeg.ss_args(orig_mp4_filename)
cmd += ['-i', meta.get_work_filename(orig_mp4_filename, ' ru_mixdown.wav')]
cmd += ['-c:v', 'copy']
cmd += ['-c:a', 'libfdk_aac']
cmd += ['-ac', '1'] # mono
cmd += ffmpeg.to_args(orig_mp4_filename)
cmd += ['-shortest']
cmd += [ru_mono_titled_mp4_filename]
os.chdir('D:\\video\GoswamiMj-videos')
subprocess.run(cmd, check=True)
os.chdir('C:\\Users\\ashutosh\\Dropbox\\Reference\S\scripts')
title = meta.get_youtube_title_ru_mono(orig_mp4_filename)
description = meta.get_youtube_description_ru_mono(orig_mp4_filename)
youtube_id = my_youtube.upload(ru_mono_titled_mp4_filename,
title=title,
description=description,
lang='ru')
meta.update_yaml(orig_mp4_filename, 'youtube_id_rus_mono', youtube_id)
def _create_and_upload_ru_mono_video(orig_mp4_filename):
ru_mono_m4a_filename = meta.get_work_filename(orig_mp4_filename,
' ru_mono.m4a')
cmd = [
'D:\\video\\GoswamiMj-videos\\ffmpeg-hi8-heaac.exe', '-y', '-i',
meta.get_work_filename(orig_mp4_filename,
' ru_mixdown.wav'), '-c:a', 'libfdk_aac', '-ac',
'1', '-b:a', '128k', '-metadata:s:a:0', 'language=rus'
]
cmd += ffmpeg.meta_args_ru_mono(orig_mp4_filename)
cmd += [ru_mono_m4a_filename]
subprocess.run(cmd, check=True)
ru_mono_video_filename = meta.get_work_filename(orig_mp4_filename,
' ru_mono.mkv')
cmd = [
'ffmpeg', '-y', '-i', orig_mp4_filename, '-i', ru_mono_m4a_filename,
'-map', '0:v', '-map', '1:a', '-c', 'copy'
]
cmd += ffmpeg.meta_args_ru_mono(orig_mp4_filename)
cmd += ffmpeg.ss_args(orig_mp4_filename)
cmd += ffmpeg.to_args(orig_mp4_filename)
cmd += [ru_mono_video_filename]
subprocess.run(cmd, check=True)
title = meta.get_youtube_title_ru_mono(orig_mp4_filename)
description = meta.get_youtube_description_ru_mono(orig_mp4_filename)
youtube_id = my_youtube.upload(ru_mono_video_filename,
title=title,
description=description,
lang='ru')
meta.update_yaml(orig_mp4_filename, 'youtube_id_rus_mono', youtube_id)
def _create_mp3_ru_stereo(filename):
cmd = [
'ffmpeg', '-y', '-i',
(meta.get_work_filename(filename, ' ru_mixdown.wav')), '-codec:a',
'mp3', '-b:a', '128k'
]
cmd += ffmpeg.ss_args(filename)
cmd += ffmpeg.to_args(filename)
cmd += ffmpeg.meta_args_ru_stereo(filename)
cmd += [meta.get_work_filename(filename, ' ru_stereo.mp3')]
subprocess.run(cmd, check=True)
def main():
filename = sys.argv[1]
# make_title_mp4(filename, meta.get_lang(filename))
# make_rest_mp4(filename, meta.get_lang(filename))
# get_keyframes_timestamps(filename)
lang = meta.get_lang(filename)
cut_video_filename = meta.get_work_filename(filename,
' {} titled.mp4'.format(lang))
make_mp4_with_title(filename, lang, cut_video_filename)
cut_video_filename_ru = meta.get_work_filename(
filename, ' {} titled.mp4'.format('ru'))
make_mp4_with_title(filename, 'ru', cut_video_filename_ru)
def orig_titled(orig_mp4_filename):
"""Prepare all files in original language: m4a, mp4, mp3"""
lang = meta.get_lang(orig_mp4_filename)
# first we cut m4a and mp4 version sequentially because these are
# IO-bound tasks on the single drive, so running them in parallel
# doesn't make much sense.
_cut_orig_m4a(orig_mp4_filename, lang, line=0)
cut_video_filename = meta.get_work_filename(orig_mp4_filename, ' ' + lang + ' titled.mkv')
_cut_orig_mp4_titled(orig_mp4_filename, cut_video_filename, lang, line=1)
# And now we run two long-running tasks (uploading to youtube
# and encoding mp3) in parallel
p_upload_orig_mp4 = multiprocessing.Process(
target=_upload_orig_mp4,
kwargs={'orig_mp4_filename': orig_mp4_filename, 'cut_video_filename': cut_video_filename, 'lang': lang, 'line': 2})
p_upload_orig_mp4.start()
p_encode_orig_mp3 = multiprocessing.Process(
target=_encode_orig_mp3,
kwargs={'orig_mp4_filename': orig_mp4_filename, 'lang': lang, 'line': 3})
p_encode_orig_mp3.start()
p_upload_orig_mp4.join()
p_encode_orig_mp3.join()
def _cut_orig_m4a(orig_mp4_filename, lang, line):
cmd = ['ffmpeg', '-y',
'-i', orig_mp4_filename]
cmd += ffmpeg.meta_args(orig_mp4_filename, lang)
cmd += ffmpeg.ss_args(orig_mp4_filename)
cmd += ffmpeg.to_args(orig_mp4_filename)
cmd += ['-c:a', 'copy', '-vn',
meta.get_work_filename(orig_mp4_filename, ' ' + lang + '.m4a')]
_run_ffmpeg_at_line(cmd, line, 'm4a')
def _encode_orig_mp3(orig_mp4_filename, lang, line):
cmd = ['ffmpeg', '-y',
'-i', orig_mp4_filename,
'-ac', '1',
'-codec:a', 'mp3', '-b:a', '96k']
cmd += ffmpeg.ss_args(orig_mp4_filename)
cmd += ffmpeg.to_args(orig_mp4_filename)
cmd += ffmpeg.meta_args(orig_mp4_filename, lang)
cmd += [meta.get_work_filename(orig_mp4_filename, ' ' + lang + '.mp3')]
_run_ffmpeg_at_line(cmd, line, 'mp3')
def make_rest_ts(orig_mp4_filename, lang, title_end_time):
ts_rest_filename = meta.get_work_filename(
orig_mp4_filename, ' {lang}_rest.ts'.format(lang=lang))
cmd = [
'ffmpeg', '-y', '-i', orig_mp4_filename, '-c', 'copy', '-bsf:v',
'h264_mp4toannexb'
]
cmd += ['-ss', str(title_end_time)]
cmd += ffmpeg.to_args(orig_mp4_filename)
cmd += [ts_rest_filename]
print(cmd)
subprocess.run(cmd)
return ts_rest_filename
def make_title_ts(orig_mp4_filename, lang, seconds):
png_filename = make_png(orig_mp4_filename, lang)
ts_title_filename = meta.get_work_filename(
orig_mp4_filename, ' {lang}_title.ts'.format(lang=lang))
filter_complex = ''
filter_complex += ';[1:v]fade=out:st=9:d=1:alpha=1[title]'
filter_complex += ';[0:v][title]overlay,format=yuv420p'
filter_complex = filter_complex[1:]
cmd = ['ffmpeg', '-y']
cmd += ffmpeg.ss_args(orig_mp4_filename)
cmd += [
'-i', orig_mp4_filename, '-loop', '1', '-i', png_filename,
'-filter_complex', filter_complex, '-bsf:v', 'h264_mp4toannexb', '-t',
str(seconds)
]
cmd += get_ffmpeg_encoding_options_from_video_file(orig_mp4_filename)
cmd += [ts_title_filename]
print(cmd)
subprocess.run(cmd)
return ts_title_filename
def make_png(orig_mp4_filename, lang):
png_filename = meta.get_work_filename(orig_mp4_filename,
' ' + lang + '_title.png')
[width, height] = get_video_size(orig_mp4_filename)
scale = float(height) / 720
authors = meta.get_artist(orig_mp4_filename, lang, 100)
author_srt = meta.get_work_filename(orig_mp4_filename,
' ' + lang + '_author.srt')
with open(author_srt, 'w', encoding='utf8') as f:
f.write('1\n00:00:00,000 --> 09:59:59,990\n' + authors)
author_srt_escaped = author_srt.replace('\\', '/')
author_srt_escaped = author_srt_escaped.replace(':', '\\\\:')
f_author = (
'subtitles=filename={srt}' +
':force_style=\'FontName=Charis SIL,Fontsize={fontsize},' +
'Alignment=10,PlayResX={width},PlayResY={height},PrimaryColour=&Hffffff\''
).format(srt=author_srt_escaped,
fontsize=int(60 * scale),
width=width,
height=height)
f_shift_down = (
'crop={width}:{height}-{shift}:0:0,pad={width}:{height}:0:{shift}:[email protected]'
).format(shift=int(200 * scale), width=width, height=height)
title = meta.get_title(orig_mp4_filename, lang)
title_srt = meta.get_work_filename(orig_mp4_filename,
' ' + lang + '_title.srt')
with open(title_srt, 'w', encoding='utf8') as f:
f.write('1\n00:00:00,000 --> 09:59:59,990\n' + title)
title_srt_escaped = title_srt.replace('\\', '/')
title_srt_escaped = title_srt_escaped.replace(':', '\\\\:')
f_title = (
'subtitles=filename={srt}' +
':force_style=\'FontName=Charis SIL,Fontsize={fontsize},' +
'Alignment=10,PlayResX={width},PlayResY={height},PrimaryColour=&Hffffff\''
).format(srt=title_srt_escaped,
fontsize=int(108 * scale),
width=width,
height=height)
f_shift_up = (
'crop={width}:{height}-{shift}:0:{shift},pad={width}:{height}:0:0:[email protected]'
).format(shift=int(80 * scale), width=width, height=height)
f_transparent = 'geq=r=r(X\,Y):a=if(r(X\,Y)\,r(X\,Y)\,16)'
filter_complex = ''
filter_complex += ',' + f_author
filter_complex += ',' + f_shift_down
filter_complex += ',' + f_title
filter_complex += ',' + f_shift_up
filter_complex += ',' + f_transparent
filter_complex = filter_complex[1:]
cmd = [
'ffmpeg', '-f', 'lavfi', '-i',
'color=c=black:s={width}x{height}:d=10,format=rgba'.format(
width=width, height=height), '-filter_complex', filter_complex,
'-frames:v', '1', '-y', png_filename
]
os.environ[
'FONTCONFIG_FILE'] = 'C:\\Users\\ashutosh\\Dropbox\\Reference\\S\\scripts\\fonts\\fonts.conf'
subprocess.run(cmd)
os.remove(author_srt)
os.remove(title_srt)
return png_filename
def demux_file(orig_mp4_filename: str) -> None:
cmd = [
'ffmpeg', '-y', '-i', orig_mp4_filename, '-c:a', 'copy', '-vn',
meta.get_work_filename(orig_mp4_filename, '.m4a')
]
subprocess.run(cmd, check=True)