From d4051a8e051a06ddeab905a4b5fcc7ddb70952bf Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Jaime=20Marqui=CC=81nez=20Ferra=CC=81ndiz?= Date: Sat, 20 Jul 2013 12:48:57 +0200 Subject: [PATCH] Add a post processor for embedding subtitles in mp4 videos (closes #1052) --- youtube_dl/PostProcessor.py | 235 +++++++++++++++++++++++++++++++++++- youtube_dl/YoutubeDL.py | 2 +- youtube_dl/__init__.py | 4 + youtube_dl/utils.py | 3 + 4 files changed, 241 insertions(+), 3 deletions(-) diff --git a/youtube_dl/PostProcessor.py b/youtube_dl/PostProcessor.py index fddf58606..336a42559 100644 --- a/youtube_dl/PostProcessor.py +++ b/youtube_dl/PostProcessor.py @@ -71,12 +71,17 @@ class FFmpegPostProcessor(PostProcessor): programs = ['avprobe', 'avconv', 'ffmpeg', 'ffprobe'] return dict((program, executable(program)) for program in programs) - def run_ffmpeg(self, path, out_path, opts): + def run_ffmpeg_multiple_files(self, input_paths, out_path, opts): if not self._exes['ffmpeg'] and not self._exes['avconv']: raise FFmpegPostProcessorError(u'ffmpeg or avconv not found. Please install one.') - cmd = ([self._exes['avconv'] or self._exes['ffmpeg'], '-y', '-i', encodeFilename(path)] + + files_cmd = [] + for path in input_paths: + files_cmd.extend(['-i', encodeFilename(path)]) + cmd = ([self._exes['avconv'] or self._exes['ffmpeg'], '-y'] + files_cmd + opts + [encodeFilename(self._ffmpeg_filename_argument(out_path))]) + p = subprocess.Popen(cmd, stdout=subprocess.PIPE, stderr=subprocess.PIPE) stdout,stderr = p.communicate() if p.returncode != 0: @@ -84,6 +89,9 @@ class FFmpegPostProcessor(PostProcessor): msg = stderr.strip().split('\n')[-1] raise FFmpegPostProcessorError(msg) + def run_ffmpeg(self, path, out_path, opts): + self.run_ffmpeg_multiple_files([path], out_path, opts) + def _ffmpeg_filename_argument(self, fn): # ffmpeg broke --, see https://ffmpeg.org/trac/ffmpeg/ticket/2127 for details if fn.startswith(u'-'): @@ -232,3 +240,226 @@ class FFmpegVideoConvertor(FFmpegPostProcessor): information['format'] = self._preferedformat information['ext'] = self._preferedformat return False,information + + +class FFmpegEmbedSubtitlePP(FFmpegPostProcessor): + # See http://www.loc.gov/standards/iso639-2/ISO-639-2_utf-8.txt + _lang_map = { + 'aa': 'aar', + 'ab': 'abk', + 'ae': 'ave', + 'af': 'afr', + 'ak': 'aka', + 'am': 'amh', + 'an': 'arg', + 'ar': 'ara', + 'as': 'asm', + 'av': 'ava', + 'ay': 'aym', + 'az': 'aze', + 'ba': 'bak', + 'be': 'bel', + 'bg': 'bul', + 'bh': 'bih', + 'bi': 'bis', + 'bm': 'bam', + 'bn': 'ben', + 'bo': 'bod', + 'br': 'bre', + 'bs': 'bos', + 'ca': 'cat', + 'ce': 'che', + 'ch': 'cha', + 'co': 'cos', + 'cr': 'cre', + 'cs': 'ces', + 'cu': 'chu', + 'cv': 'chv', + 'cy': 'cym', + 'da': 'dan', + 'de': 'deu', + 'dv': 'div', + 'dz': 'dzo', + 'ee': 'ewe', + 'el': 'ell', + 'en': 'eng', + 'eo': 'epo', + 'es': 'spa', + 'et': 'est', + 'eu': 'eus', + 'fa': 'fas', + 'ff': 'ful', + 'fi': 'fin', + 'fj': 'fij', + 'fo': 'fao', + 'fr': 'fra', + 'fy': 'fry', + 'ga': 'gle', + 'gd': 'gla', + 'gl': 'glg', + 'gn': 'grn', + 'gu': 'guj', + 'gv': 'glv', + 'ha': 'hau', + 'he': 'heb', + 'hi': 'hin', + 'ho': 'hmo', + 'hr': 'hrv', + 'ht': 'hat', + 'hu': 'hun', + 'hy': 'hye', + 'hz': 'her', + 'ia': 'ina', + 'id': 'ind', + 'ie': 'ile', + 'ig': 'ibo', + 'ii': 'iii', + 'ik': 'ipk', + 'io': 'ido', + 'is': 'isl', + 'it': 'ita', + 'iu': 'iku', + 'ja': 'jpn', + 'jv': 'jav', + 'ka': 'kat', + 'kg': 'kon', + 'ki': 'kik', + 'kj': 'kua', + 'kk': 'kaz', + 'kl': 'kal', + 'km': 'khm', + 'kn': 'kan', + 'ko': 'kor', + 'kr': 'kau', + 'ks': 'kas', + 'ku': 'kur', + 'kv': 'kom', + 'kw': 'cor', + 'ky': 'kir', + 'la': 'lat', + 'lb': 'ltz', + 'lg': 'lug', + 'li': 'lim', + 'ln': 'lin', + 'lo': 'lao', + 'lt': 'lit', + 'lu': 'lub', + 'lv': 'lav', + 'mg': 'mlg', + 'mh': 'mah', + 'mi': 'mri', + 'mk': 'mkd', + 'ml': 'mal', + 'mn': 'mon', + 'mr': 'mar', + 'ms': 'msa', + 'mt': 'mlt', + 'my': 'mya', + 'na': 'nau', + 'nb': 'nob', + 'nd': 'nde', + 'ne': 'nep', + 'ng': 'ndo', + 'nl': 'nld', + 'nn': 'nno', + 'no': 'nor', + 'nr': 'nbl', + 'nv': 'nav', + 'ny': 'nya', + 'oc': 'oci', + 'oj': 'oji', + 'om': 'orm', + 'or': 'ori', + 'os': 'oss', + 'pa': 'pan', + 'pi': 'pli', + 'pl': 'pol', + 'ps': 'pus', + 'pt': 'por', + 'qu': 'que', + 'rm': 'roh', + 'rn': 'run', + 'ro': 'ron', + 'ru': 'rus', + 'rw': 'kin', + 'sa': 'san', + 'sc': 'srd', + 'sd': 'snd', + 'se': 'sme', + 'sg': 'sag', + 'si': 'sin', + 'sk': 'slk', + 'sl': 'slv', + 'sm': 'smo', + 'sn': 'sna', + 'so': 'som', + 'sq': 'sqi', + 'sr': 'srp', + 'ss': 'ssw', + 'st': 'sot', + 'su': 'sun', + 'sv': 'swe', + 'sw': 'swa', + 'ta': 'tam', + 'te': 'tel', + 'tg': 'tgk', + 'th': 'tha', + 'ti': 'tir', + 'tk': 'tuk', + 'tl': 'tgl', + 'tn': 'tsn', + 'to': 'ton', + 'tr': 'tur', + 'ts': 'tso', + 'tt': 'tat', + 'tw': 'twi', + 'ty': 'tah', + 'ug': 'uig', + 'uk': 'ukr', + 'ur': 'urd', + 'uz': 'uzb', + 've': 'ven', + 'vi': 'vie', + 'vo': 'vol', + 'wa': 'wln', + 'wo': 'wol', + 'xh': 'xho', + 'yi': 'yid', + 'yo': 'yor', + 'za': 'zha', + 'zh': 'zho', + 'zu': 'zul', + } + + def __init__(self, downloader=None, subtitlesformat='srt'): + super(FFmpegEmbedSubtitlePP, self).__init__(downloader) + self._subformat = subtitlesformat + + @classmethod + def _conver_lang_code(cls, code): + """Convert language code from ISO 639-1 to ISO 639-2/T""" + return cls._lang_map.get(code[:2]) + + def run(self, information): + if information['ext'] != u'mp4': + self._downloader.to_screen(u'[ffmpeg] Subtitles can only be embedded in mp4 files') + return True, information + sub_langs = [key for key in information['subtitles']] + + filename = information['filepath'] + input_files = [filename] + [subtitles_filename(filename, lang, self._subformat) for lang in sub_langs] + + opts = ['-map', '0:0', '-map', '0:1', '-c:v', 'copy', '-c:a', 'copy'] + for (i, lang) in enumerate(sub_langs): + opts.extend(['-map', '%d:0' % (i+1), '-c:s:%d' % i, 'mov_text']) + lang_code = self._conver_lang_code(lang) + if lang_code is not None: + opts.extend(['-metadata:s:s:%d' % i, 'language=%s' % lang_code]) + opts.extend(['-f', 'mp4']) + + temp_filename = filename + u'.temp' + self.run_ffmpeg_multiple_files(input_files, temp_filename, opts) + os.remove(encodeFilename(filename)) + os.rename(encodeFilename(temp_filename), encodeFilename(filename)) + + return True, information diff --git a/youtube_dl/YoutubeDL.py b/youtube_dl/YoutubeDL.py index 74e7b8de5..1fd610a6e 100644 --- a/youtube_dl/YoutubeDL.py +++ b/youtube_dl/YoutubeDL.py @@ -497,7 +497,7 @@ class YoutubeDL(object): if sub is None: continue try: - sub_filename = filename.rsplit('.', 1)[0] + u'.' + sub_lang + u'.' + sub_format + sub_filename = subtitles_filename(filename, sub_lang, sub_format) self.report_writesubtitles(sub_filename) with io.open(encodeFilename(sub_filename), 'w', encoding='utf-8') as subfile: subfile.write(sub) diff --git a/youtube_dl/__init__.py b/youtube_dl/__init__.py index f4890f1a6..441ca6b6a 100644 --- a/youtube_dl/__init__.py +++ b/youtube_dl/__init__.py @@ -323,6 +323,8 @@ def parseOpts(overrideArguments=None): help='keeps the video file on disk after the post-processing; the video is erased by default') postproc.add_option('--no-post-overwrites', action='store_true', dest='nopostoverwrites', default=False, help='do not overwrite post-processed files; the post-processed files are overwritten by default') + postproc.add_option('--embed-subs', action='store_true', dest='embedsubtitles', default=False, + help='embed subtitles in the video (only for mp4 videos)') parser.add_option_group(general) @@ -611,6 +613,8 @@ def _real_main(argv=None): ydl.add_post_processor(FFmpegExtractAudioPP(preferredcodec=opts.audioformat, preferredquality=opts.audioquality, nopostoverwrites=opts.nopostoverwrites)) if opts.recodevideo: ydl.add_post_processor(FFmpegVideoConvertor(preferedformat=opts.recodevideo)) + if opts.embedsubtitles: + ydl.add_post_processor(FFmpegEmbedSubtitlePP(subtitlesformat=opts.subtitlesformat)) # Update version if opts.update_self: diff --git a/youtube_dl/utils.py b/youtube_dl/utils.py index 5dd5b2923..52cfb8a6d 100644 --- a/youtube_dl/utils.py +++ b/youtube_dl/utils.py @@ -657,6 +657,9 @@ def determine_ext(url, default_ext=u'unknown_video'): else: return default_ext +def subtitles_filename(filename, sub_lang, sub_format): + return filename.rsplit('.', 1)[0] + u'.' + sub_lang + u'.' + sub_format + def date_from_str(date_str): """ Return a datetime object from a string in the format YYYYMMDD or