X-Git-Url: https://git.rapsys.eu/youtubedl/blobdiff_plain/9fb40a4e5f59ba243dee2edad23a2c5555338113..a7fd25993be110e616bb9bf6d602949b54df1a7d:/youtube_dl/postprocessor/ffmpeg.py diff --git a/youtube_dl/postprocessor/ffmpeg.py b/youtube_dl/postprocessor/ffmpeg.py index 96ddb3b..39a9053 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 @@ -22,19 +23,30 @@ from ..utils import ( subtitles_filename, dfxp2srt, ISO639Utils, + replace_extension, ) EXT_TO_OUT_FORMATS = { - "aac": "adts", - "m4a": "ipod", - "mka": "matroska", - "mkv": "matroska", - "mpg": "mpeg", - "ogv": "ogg", - "ts": "mpegts", - "wma": "asf", - "wmv": "asf", + '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, } @@ -65,7 +77,21 @@ class FFmpegPostProcessor(PostProcessor): def _determine_executables(self): programs = ['avprobe', 'avconv', 'ffmpeg', 'ffprobe'] - prefer_ffmpeg = False + prefer_ffmpeg = True + + def get_ffmpeg_version(path): + ver = get_exe_version(path, args=['-version']) + if ver: + regexs = [ + r'(?:\d+:)?([0-9.]+)-[0-9]+ubuntu[0-9.]+$', # Ubuntu, see [1] + r'n([0-9.]+)$', # Arch Linux + # 1. http://www.ducea.com/2006/06/17/ubuntu-package-version-naming-explanation/ + ] + for regex in regexs: + mobj = re.match(regex, ver) + if mobj: + ver = mobj.group(1) + return ver self.basename = None self.probe_basename = None @@ -73,7 +99,7 @@ class FFmpegPostProcessor(PostProcessor): self._paths = None self._versions = None if self._downloader: - prefer_ffmpeg = self._downloader.params.get('prefer_ffmpeg', False) + prefer_ffmpeg = self._downloader.params.get('prefer_ffmpeg', True) location = self._downloader.params.get('ffmpeg_location') if location is not None: if not os.path.exists(location): @@ -98,26 +124,25 @@ class FFmpegPostProcessor(PostProcessor): self._paths = dict( (p, os.path.join(location, p)) for p in programs) self._versions = dict( - (p, get_exe_version(self._paths[p], args=['-version'])) - for p in programs) + (p, get_ffmpeg_version(self._paths[p])) for p in programs) if self._versions is None: self._versions = dict( - (p, get_exe_version(p, args=['-version'])) for p in programs) + (p, get_ffmpeg_version(p)) for p in programs) self._paths = dict((p, p) for p in programs) - if prefer_ffmpeg: - prefs = ('ffmpeg', 'avconv') - else: + if prefer_ffmpeg is False: prefs = ('avconv', 'ffmpeg') + else: + prefs = ('ffmpeg', 'avconv') for p in prefs: if self._versions[p]: self.basename = p break - if prefer_ffmpeg: - prefs = ('ffprobe', 'avprobe') - else: + if prefer_ffmpeg is False: prefs = ('avprobe', 'ffprobe') + else: + prefs = ('ffprobe', 'avprobe') for p in prefs: if self._versions[p]: self.probe_basename = p @@ -237,7 +262,7 @@ 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 @@ -256,8 +281,8 @@ 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: @@ -372,9 +397,8 @@ class FFmpegEmbedSubtitlePP(FFmpegPostProcessor): opts += ['-c:s', 'mov_text'] for (i, lang) in enumerate(sub_langs): opts.extend(['-map', '%d:0' % (i + 1)]) - lang_code = ISO639Utils.short2long(lang) - if lang_code is not None: - opts.extend(['-metadata:s:s:%d' % i, 'language=%s' % lang_code]) + lang_code = ISO639Utils.short2long(lang) or lang + opts.extend(['-metadata:s:s:%d' % i, 'language=%s' % lang_code]) temp_filename = prepend_extension(filename, 'temp') self._downloader.to_screen('[ffmpeg] Embedding subtitles in \'%s\'' % filename) @@ -419,17 +443,40 @@ 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 @@ -507,7 +554,7 @@ class FFmpegFixupM3u8PP(FFmpegPostProcessor): temp_filename = prepend_extension(filename, 'temp') options = ['-c', 'copy', '-f', 'mp4', '-bsf:a', 'aac_adtstoasc'] - self._downloader.to_screen('[ffmpeg] Fixing malformated aac bitstream in "%s"' % filename) + self._downloader.to_screen('[ffmpeg] Fixing malformed AAC bitstream in "%s"' % filename) self.run_ffmpeg(filename, temp_filename, options) os.remove(encodeFilename(filename)) @@ -542,7 +589,7 @@ class FFmpegSubtitlesConvertorPP(FFmpegPostProcessor): sub_filenames.append(old_file) new_file = subtitles_filename(filename, lang, new_ext) - if ext == 'dfxp' or ext == 'ttml' or ext == 'tt': + 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') @@ -550,7 +597,7 @@ class FFmpegSubtitlesConvertorPP(FFmpegPostProcessor): 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: