X-Git-Url: https://git.rapsys.eu/youtubedl/blobdiff_plain/7df4343e553a9942a290e5e1dffe931261ab844e..ecaee9d66905db1d5836d396c705d18d6e5f1f72:/youtube_dl/postprocessor/ffmpeg.py diff --git a/youtube_dl/postprocessor/ffmpeg.py b/youtube_dl/postprocessor/ffmpeg.py index cc65b34..3ea1afc 100644 --- a/youtube_dl/postprocessor/ffmpeg.py +++ b/youtube_dl/postprocessor/ffmpeg.py @@ -4,6 +4,7 @@ import io import os import subprocess import time +import re from .common import AudioConversionError, PostProcessor @@ -21,9 +22,34 @@ from ..utils import ( shell_quote, subtitles_filename, dfxp2srt, + ISO639Utils, + replace_extension, ) +EXT_TO_OUT_FORMATS = { + 'aac': 'adts', + 'flac': 'flac', + 'm4a': 'ipod', + 'mka': 'matroska', + 'mkv': 'matroska', + 'mpg': 'mpeg', + 'ogv': 'ogg', + 'ts': 'mpegts', + 'wma': 'asf', + 'wmv': 'asf', +} +ACODECS = { + 'mp3': 'libmp3lame', + 'aac': 'aac', + 'flac': 'flac', + 'm4a': 'aac', + 'opus': 'libopus', + 'vorbis': 'libvorbis', + 'wav': None, +} + + class FFmpegPostProcessorError(PostProcessingError): pass @@ -51,7 +77,7 @@ class FFmpegPostProcessor(PostProcessor): def _determine_executables(self): programs = ['avprobe', 'avconv', 'ffmpeg', 'ffprobe'] - prefer_ffmpeg = self._downloader.params.get('prefer_ffmpeg', False) + prefer_ffmpeg = False self.basename = None self.probe_basename = None @@ -59,6 +85,7 @@ class FFmpegPostProcessor(PostProcessor): self._paths = None self._versions = None if self._downloader: + prefer_ffmpeg = self._downloader.params.get('prefer_ffmpeg', False) location = self._downloader.params.get('ffmpeg_location') if location is not None: if not os.path.exists(location): @@ -124,15 +151,44 @@ class FFmpegPostProcessor(PostProcessor): def probe_executable(self): return self._paths[self.probe_basename] + def get_audio_codec(self, path): + if not self.probe_available: + raise PostProcessingError('ffprobe or avprobe not found. Please install one.') + try: + cmd = [ + encodeFilename(self.probe_executable, True), + encodeArgument('-show_streams'), + encodeFilename(self._ffmpeg_filename_argument(path), True)] + if self._downloader.params.get('verbose', False): + self._downloader.to_screen('[debug] %s command line: %s' % (self.basename, shell_quote(cmd))) + handle = subprocess.Popen(cmd, stderr=compat_subprocess_get_DEVNULL(), stdout=subprocess.PIPE, stdin=subprocess.PIPE) + output = handle.communicate()[0] + if handle.wait() != 0: + return None + except (IOError, OSError): + return None + audio_codec = None + for line in output.decode('ascii', 'ignore').split('\n'): + if line.startswith('codec_name='): + audio_codec = line.split('=')[1].strip() + elif line.strip() == 'codec_type=audio' and audio_codec is not None: + return audio_codec + return None + def run_ffmpeg_multiple_files(self, input_paths, out_path, opts): self.check_version() oldest_mtime = min( os.stat(encodeFilename(path)).st_mtime for path in input_paths) + opts += self._configuration_args() + files_cmd = [] for path in input_paths: - files_cmd.extend([encodeArgument('-i'), encodeFilename(path, True)]) + files_cmd.extend([ + encodeArgument('-i'), + encodeFilename(self._ffmpeg_filename_argument(path), True) + ]) cmd = ([encodeFilename(self.executable, True), encodeArgument('-y')] + files_cmd + [encodeArgument(o) for o in opts] + @@ -152,10 +208,11 @@ class FFmpegPostProcessor(PostProcessor): 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('-'): - return './' + fn - return fn + # Always use 'file:' because the filename may contain ':' (ffmpeg + # interprets that as a protocol) or can start with '-' (-- is broken in + # ffmpeg, see https://ffmpeg.org/trac/ffmpeg/ticket/2127 for details) + # Also leave '-' intact in order not to break streaming to stdout. + return 'file:' + fn if fn != '-' else fn class FFmpegExtractAudioPP(FFmpegPostProcessor): @@ -167,31 +224,6 @@ class FFmpegExtractAudioPP(FFmpegPostProcessor): self._preferredquality = preferredquality self._nopostoverwrites = nopostoverwrites - def get_audio_codec(self, path): - - if not self.probe_available: - raise PostProcessingError('ffprobe or avprobe not found. Please install one.') - try: - cmd = [ - encodeFilename(self.probe_executable, True), - encodeArgument('-show_streams'), - encodeFilename(self._ffmpeg_filename_argument(path), True)] - if self._downloader.params.get('verbose', False): - self._downloader.to_screen('[debug] %s command line: %s' % (self.basename, shell_quote(cmd))) - handle = subprocess.Popen(cmd, stderr=compat_subprocess_get_DEVNULL(), stdout=subprocess.PIPE, stdin=subprocess.PIPE) - output = handle.communicate()[0] - if handle.wait() != 0: - return None - except (IOError, OSError): - return None - audio_codec = None - for line in output.decode('ascii', 'ignore').split('\n'): - if line.startswith('codec_name='): - audio_codec = line.split('=')[1].strip() - elif line.strip() == 'codec_type=audio' and audio_codec is not None: - return audio_codec - return None - def run_ffmpeg(self, path, out_path, codec, more_opts): if codec is None: acodec_opts = [] @@ -217,7 +249,7 @@ class FFmpegExtractAudioPP(FFmpegPostProcessor): acodec = 'copy' extension = 'm4a' more_opts = ['-bsf:a', 'aac_adtstoasc'] - elif filecodec in ['aac', 'mp3', 'vorbis', 'opus']: + elif filecodec in ['aac', 'flac', 'mp3', 'vorbis', 'opus']: # Lossless if possible acodec = 'copy' extension = filecodec @@ -236,8 +268,8 @@ class FFmpegExtractAudioPP(FFmpegPostProcessor): else: more_opts += ['-b:a', self._preferredquality + 'k'] else: - # We convert the audio (lossy) - acodec = {'mp3': 'libmp3lame', 'aac': 'aac', 'm4a': 'aac', 'opus': 'opus', 'vorbis': 'libvorbis', 'wav': None}[self._preferredcodec] + # We convert the audio (lossy if codec is lossy) + acodec = ACODECS[self._preferredcodec] extension = self._preferredcodec more_opts = [] if self._preferredquality is not None: @@ -259,14 +291,17 @@ class FFmpegExtractAudioPP(FFmpegPostProcessor): prefix, sep, ext = path.rpartition('.') # not os.path.splitext, since the latter does not work on unicode in all setups new_path = prefix + sep + extension + information['filepath'] = new_path + information['ext'] = extension + # If we download foo.mp3 and convert it to... foo.mp3, then don't delete foo.mp3, silly. if (new_path == path or (self._nopostoverwrites and os.path.exists(encodeFilename(new_path)))): - self._downloader.to_screen('[youtube] Post-process file %s exists, skipping' % new_path) + self._downloader.to_screen('[ffmpeg] Post-process file %s exists, skipping' % new_path) return [], information try: - self._downloader.to_screen('[' + self.basename + '] Destination: ' + new_path) + self._downloader.to_screen('[ffmpeg] Destination: ' + new_path) self.run_ffmpeg(path, new_path, acodec, more_opts) except AudioConversionError as e: raise PostProcessingError( @@ -280,9 +315,6 @@ class FFmpegExtractAudioPP(FFmpegPostProcessor): new_path, time.time(), information['filetime'], errnote='Cannot update utime of audio file') - information['filepath'] = new_path - information['ext'] = extension - return [path], information @@ -293,13 +325,16 @@ class FFmpegVideoConvertorPP(FFmpegPostProcessor): def run(self, information): path = information['filepath'] - prefix, sep, ext = path.rpartition('.') - outpath = prefix + sep + self._preferedformat if information['ext'] == self._preferedformat: self._downloader.to_screen('[ffmpeg] Not converting video file %s - already is in target format %s' % (path, self._preferedformat)) return [], information + options = [] + if self._preferedformat == 'avi': + options.extend(['-c:v', 'libxvid', '-vtag', 'XVID']) + prefix, sep, ext = path.rpartition('.') + outpath = prefix + sep + self._preferedformat self._downloader.to_screen('[' + 'ffmpeg' + '] Converting video from %s to %s, Destination: ' % (information['ext'], self._preferedformat) + outpath) - self.run_ffmpeg(path, outpath, []) + self.run_ffmpeg(path, outpath, options) information['filepath'] = outpath information['format'] = self._preferedformat information['ext'] = self._preferedformat @@ -307,211 +342,35 @@ class FFmpegVideoConvertorPP(FFmpegPostProcessor): 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', - } - - @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'] not in ['mp4', 'mkv']: - self._downloader.to_screen('[ffmpeg] Subtitles can only be embedded in mp4 or mkv files') + if information['ext'] not in ('mp4', 'webm', 'mkv'): + self._downloader.to_screen('[ffmpeg] Subtitles can only be embedded in mp4, webm or mkv files') return [], information subtitles = information.get('requested_subtitles') if not subtitles: self._downloader.to_screen('[ffmpeg] There aren\'t any subtitles to embed') return [], information - sub_langs = list(subtitles.keys()) filename = information['filepath'] - sub_filenames = [subtitles_filename(filename, lang, sub_info['ext']) for lang, sub_info in subtitles.items()] + + ext = information['ext'] + sub_langs = [] + sub_filenames = [] + webm_vtt_warn = False + + for lang, sub_info in subtitles.items(): + sub_ext = sub_info['ext'] + if ext != 'webm' or ext == 'webm' and sub_ext == 'vtt': + sub_langs.append(lang) + sub_filenames.append(subtitles_filename(filename, lang, sub_ext)) + else: + if not webm_vtt_warn and ext == 'webm' and sub_ext != 'vtt': + webm_vtt_warn = True + self._downloader.to_screen('[ffmpeg] Only WebVTT subtitles can be embedded in webm files') + + if not sub_langs: + return [], information + input_files = [filename] + sub_filenames opts = [ @@ -525,7 +384,7 @@ class FFmpegEmbedSubtitlePP(FFmpegPostProcessor): opts += ['-c:s', 'mov_text'] for (i, lang) in enumerate(sub_langs): opts.extend(['-map', '%d:0' % (i + 1)]) - lang_code = self._conver_lang_code(lang) + lang_code = ISO639Utils.short2long(lang) if lang_code is not None: opts.extend(['-metadata:s:s:%d' % i, 'language=%s' % lang_code]) @@ -541,23 +400,30 @@ class FFmpegEmbedSubtitlePP(FFmpegPostProcessor): class FFmpegMetadataPP(FFmpegPostProcessor): def run(self, info): metadata = {} - if info.get('title') is not None: - metadata['title'] = info['title'] - if info.get('upload_date') is not None: - metadata['date'] = info['upload_date'] - if info.get('artist') is not None: - metadata['artist'] = info['artist'] - elif info.get('uploader') is not None: - metadata['artist'] = info['uploader'] - elif info.get('uploader_id') is not None: - metadata['artist'] = info['uploader_id'] - if info.get('description') is not None: - metadata['description'] = info['description'] - metadata['comment'] = info['description'] - if info.get('webpage_url') is not None: - metadata['purl'] = info['webpage_url'] - if info.get('album') is not None: - metadata['album'] = info['album'] + + def add(meta_list, info_list=None): + if not info_list: + info_list = meta_list + if not isinstance(meta_list, (list, tuple)): + meta_list = (meta_list,) + if not isinstance(info_list, (list, tuple)): + info_list = (info_list,) + for info_f in info_list: + if info.get(info_f) is not None: + for meta_f in meta_list: + metadata[meta_f] = info[info_f] + break + + add('title', ('track', 'title')) + add('date', 'upload_date') + add(('description', 'comment'), 'description') + add('purl', 'webpage_url') + add('track', 'track_number') + add('artist', ('artist', 'creator', 'uploader', 'uploader_id')) + add('genre') + add('album') + add('album_artist') + add('disc', 'disc_number') if not metadata: self._downloader.to_screen('[ffmpeg] There isn\'t any metadata to add') @@ -565,17 +431,40 @@ class FFmpegMetadataPP(FFmpegPostProcessor): filename = info['filepath'] temp_filename = prepend_extension(filename, 'temp') + in_filenames = [filename] + options = [] if info['ext'] == 'm4a': - options = ['-vn', '-acodec', 'copy'] + options.extend(['-vn', '-acodec', 'copy']) else: - options = ['-c', 'copy'] + options.extend(['-c', 'copy']) for (name, value) in metadata.items(): options.extend(['-metadata', '%s=%s' % (name, value)]) + chapters = info.get('chapters', []) + if chapters: + metadata_filename = replace_extension(filename, 'meta') + with io.open(metadata_filename, 'wt', encoding='utf-8') as f: + def ffmpeg_escape(text): + return re.sub(r'(=|;|#|\\|\n)', r'\\\1', text) + + metadata_file_content = ';FFMETADATA1\n' + for chapter in chapters: + metadata_file_content += '[CHAPTER]\nTIMEBASE=1/1000\n' + metadata_file_content += 'START=%d\n' % (chapter['start_time'] * 1000) + metadata_file_content += 'END=%d\n' % (chapter['end_time'] * 1000) + chapter_title = chapter.get('title') + if chapter_title: + metadata_file_content += 'title=%s\n' % ffmpeg_escape(chapter_title) + f.write(metadata_file_content) + in_filenames.append(metadata_filename) + options.extend(['-map_metadata', '1']) + self._downloader.to_screen('[ffmpeg] Adding metadata to \'%s\'' % filename) - self.run_ffmpeg(filename, temp_filename, options) + self.run_ffmpeg_multiple_files(in_filenames, temp_filename, options) + if chapters: + os.remove(metadata_filename) os.remove(encodeFilename(filename)) os.rename(encodeFilename(temp_filename), encodeFilename(filename)) return [], info @@ -646,6 +535,21 @@ class FFmpegFixupM4aPP(FFmpegPostProcessor): return [], info +class FFmpegFixupM3u8PP(FFmpegPostProcessor): + def run(self, info): + filename = info['filepath'] + if self.get_audio_codec(filename) == 'aac': + temp_filename = prepend_extension(filename, 'temp') + + options = ['-c', 'copy', '-f', 'mp4', '-bsf:a', 'aac_adtstoasc'] + self._downloader.to_screen('[ffmpeg] Fixing malformed AAC bitstream in "%s"' % filename) + self.run_ffmpeg(filename, temp_filename, options) + + os.remove(encodeFilename(filename)) + os.rename(encodeFilename(temp_filename), encodeFilename(filename)) + return [], info + + class FFmpegSubtitlesConvertorPP(FFmpegPostProcessor): def __init__(self, downloader=None, format=None): super(FFmpegSubtitlesConvertorPP, self).__init__(downloader) @@ -662,30 +566,32 @@ class FFmpegSubtitlesConvertorPP(FFmpegPostProcessor): self._downloader.to_screen('[ffmpeg] There aren\'t any subtitles to convert') return [], info self._downloader.to_screen('[ffmpeg] Converting subtitles') + sub_filenames = [] for lang, sub in subs.items(): ext = sub['ext'] if ext == new_ext: self._downloader.to_screen( - '[ffmpeg] Subtitle file for %s is already in the requested' - 'format' % new_ext) + '[ffmpeg] Subtitle file for %s is already in the requested format' % new_ext) continue + old_file = subtitles_filename(filename, lang, ext) + sub_filenames.append(old_file) new_file = subtitles_filename(filename, lang, new_ext) - if ext == 'dfxp' or ext == 'ttml': + if ext in ('dfxp', 'ttml', 'tt'): self._downloader.report_warning( 'You have requested to convert dfxp (TTML) subtitles into another format, ' 'which results in style information loss') - dfxp_file = subtitles_filename(filename, lang, ext) + dfxp_file = old_file srt_file = subtitles_filename(filename, lang, 'srt') - with io.open(dfxp_file, 'rt', encoding='utf-8') as f: + with open(dfxp_file, 'rb') as f: srt_data = dfxp2srt(f.read()) with io.open(srt_file, 'wt', encoding='utf-8') as f: f.write(srt_data) + old_file = srt_file - ext = 'srt' subs[lang] = { 'ext': 'srt', 'data': srt_data @@ -693,15 +599,15 @@ class FFmpegSubtitlesConvertorPP(FFmpegPostProcessor): if new_ext == 'srt': continue + else: + sub_filenames.append(srt_file) - self.run_ffmpeg( - subtitles_filename(filename, lang, ext), - new_file, ['-f', new_format]) + self.run_ffmpeg(old_file, new_file, ['-f', new_format]) with io.open(new_file, 'rt', encoding='utf-8') as f: subs[lang] = { - 'ext': ext, + 'ext': new_ext, 'data': f.read(), } - return [], info + return sub_filenames, info