X-Git-Url: http://git.bitcoin.ninja/index.cgi?a=blobdiff_plain;f=youtube_dl%2Fpostprocessor%2Fffmpeg.py;h=a696b12b49d17d3824256527c80e6150ea46174e;hb=d84f1d14b526c4a5359117a58f25691a3da4c97e;hp=5ef5e0e545ab498554b9c2eedd115b88a17248e6;hpb=bca788ab1d477abfc29edb29480075ed10cace25;p=youtube-dl diff --git a/youtube_dl/postprocessor/ffmpeg.py b/youtube_dl/postprocessor/ffmpeg.py index 5ef5e0e54..a696b12b4 100644 --- a/youtube_dl/postprocessor/ffmpeg.py +++ b/youtube_dl/postprocessor/ffmpeg.py @@ -20,6 +20,7 @@ from ..utils import ( prepend_extension, shell_quote, subtitles_filename, + dfxp2srt, ) @@ -28,9 +29,8 @@ class FFmpegPostProcessorError(PostProcessingError): class FFmpegPostProcessor(PostProcessor): - def __init__(self, downloader=None, deletetempfiles=False): + def __init__(self, downloader=None): PostProcessor.__init__(self, downloader) - self._deletetempfiles = deletetempfiles self._determine_executables() def check_version(self): @@ -146,14 +146,7 @@ class FFmpegPostProcessor(PostProcessor): stderr = stderr.decode('utf-8', 'replace') msg = stderr.strip().split('\n')[-1] raise FFmpegPostProcessorError(msg) - try: - os.utime(encodeFilename(out_path), (oldest_mtime, oldest_mtime)) - except Exception: - self._downloader.report_warning('Cannot update utime of file') - - if self._deletetempfiles: - for ipath in input_paths: - os.remove(ipath) + self.try_utime(out_path, oldest_mtime, oldest_mtime) def run_ffmpeg(self, path, out_path, opts): self.run_ffmpeg_multiple_files([path], out_path, opts) @@ -267,15 +260,14 @@ class FFmpegExtractAudioPP(FFmpegPostProcessor): new_path = prefix + sep + extension # If we download foo.mp3 and convert it to... foo.mp3, then don't delete foo.mp3, silly. - if new_path == path: - self._nopostoverwrites = True + 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) + return [], information try: - if self._nopostoverwrites and os.path.exists(encodeFilename(new_path)): - self._downloader.to_screen('[youtube] Post-process file %s exists, skipping' % new_path) - else: - self._downloader.to_screen('[' + self.basename + '] Destination: ' + new_path) - self.run_ffmpeg(path, new_path, acodec, more_opts) + self._downloader.to_screen('[' + self.basename + '] Destination: ' + new_path) + self.run_ffmpeg(path, new_path, acodec, more_opts) except AudioConversionError as e: raise PostProcessingError( 'audio conversion failed: ' + e.msg) @@ -284,33 +276,40 @@ class FFmpegExtractAudioPP(FFmpegPostProcessor): # Try to update the date time for extracted audio file. if information.get('filetime') is not None: - try: - os.utime(encodeFilename(new_path), (time.time(), information['filetime'])) - except Exception: - self._downloader.report_warning('Cannot update utime of audio file') + self.try_utime( + new_path, time.time(), information['filetime'], + errnote='Cannot update utime of audio file') information['filepath'] = new_path - return self._nopostoverwrites, information + information['ext'] = extension + + return [path], information class FFmpegVideoConvertorPP(FFmpegPostProcessor): - def __init__(self, downloader=None, preferedformat=None): + def __init__(self, downloader=None, preferedformat=None, extra_params=[]): super(FFmpegVideoConvertorPP, self).__init__(downloader) self._preferedformat = preferedformat + self._extra_params = extra_params def run(self, information): path = information['filepath'] prefix, sep, ext = path.rpartition('.') - outpath = prefix + sep + self._preferedformat + ext = self._preferedformat + options = self._extra_params + if self._preferedformat == 'xvid': + ext = 'avi' + options.extend(['-c:v', 'libxvid', '-vtag', 'XVID']) + outpath = prefix + sep + ext 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 True, information + return [], information 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 - return False, information + information['ext'] = ext + return [path], information class FFmpegEmbedSubtitlePP(FFmpegPostProcessor): @@ -508,17 +507,18 @@ class FFmpegEmbedSubtitlePP(FFmpegPostProcessor): return cls._lang_map.get(code[:2]) def run(self, information): - if information['ext'] != 'mp4': - self._downloader.to_screen('[ffmpeg] Subtitles can only be embedded in mp4 files') - return True, information + if information['ext'] not in ['mp4', 'mkv']: + self._downloader.to_screen('[ffmpeg] Subtitles can only be embedded in mp4 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 True, information + return [], information sub_langs = list(subtitles.keys()) filename = information['filepath'] - input_files = [filename] + [subtitles_filename(filename, lang, sub_info['ext']) for lang, sub_info in subtitles.items()] + sub_filenames = [subtitles_filename(filename, lang, sub_info['ext']) for lang, sub_info in subtitles.items()] + input_files = [filename] + sub_filenames opts = [ '-map', '0', @@ -526,8 +526,9 @@ class FFmpegEmbedSubtitlePP(FFmpegPostProcessor): # Don't copy the existing subtitles, we may be running the # postprocessor a second time '-map', '-0:s', - '-c:s', 'mov_text', ] + if information['ext'] == 'mp4': + 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) @@ -540,7 +541,7 @@ class FFmpegEmbedSubtitlePP(FFmpegPostProcessor): os.remove(encodeFilename(filename)) os.rename(encodeFilename(temp_filename), encodeFilename(filename)) - return True, information + return sub_filenames, information class FFmpegMetadataPP(FFmpegPostProcessor): @@ -566,7 +567,7 @@ class FFmpegMetadataPP(FFmpegPostProcessor): if not metadata: self._downloader.to_screen('[ffmpeg] There isn\'t any metadata to add') - return True, info + return [], info filename = info['filepath'] temp_filename = prepend_extension(filename, 'temp') @@ -583,38 +584,42 @@ class FFmpegMetadataPP(FFmpegPostProcessor): self.run_ffmpeg(filename, temp_filename, options) os.remove(encodeFilename(filename)) os.rename(encodeFilename(temp_filename), encodeFilename(filename)) - return True, info + return [], info class FFmpegMergerPP(FFmpegPostProcessor): def run(self, info): filename = info['filepath'] + temp_filename = prepend_extension(filename, 'temp') args = ['-c', 'copy', '-map', '0:v:0', '-map', '1:a:0'] self._downloader.to_screen('[ffmpeg] Merging formats into "%s"' % filename) - self.run_ffmpeg_multiple_files(info['__files_to_merge'], filename, args) - return True, info - - -class FFmpegAudioFixPP(FFmpegPostProcessor): - def run(self, info): - filename = info['filepath'] - temp_filename = prepend_extension(filename, 'temp') - - options = ['-vn', '-acodec', 'copy'] - self._downloader.to_screen('[ffmpeg] Fixing audio file "%s"' % filename) - self.run_ffmpeg(filename, temp_filename, options) - - os.remove(encodeFilename(filename)) + self.run_ffmpeg_multiple_files(info['__files_to_merge'], temp_filename, args) os.rename(encodeFilename(temp_filename), encodeFilename(filename)) + return info['__files_to_merge'], info - return True, info + def can_merge(self): + # TODO: figure out merge-capable ffmpeg version + if self.basename != 'avconv': + return True + + required_version = '10-0' + if is_outdated_version( + self._versions[self.basename], required_version): + warning = ('Your copy of %s is outdated and unable to properly mux separate video and audio files, ' + 'youtube-dl will download single file media. ' + 'Update %s to version %s or newer to fix this.') % ( + self.basename, self.basename, required_version) + if self._downloader: + self._downloader.report_warning(warning) + return False + return True class FFmpegFixupStretchedPP(FFmpegPostProcessor): def run(self, info): stretched_ratio = info.get('stretched_ratio') if stretched_ratio is None or stretched_ratio == 1: - return True, info + return [], info filename = info['filepath'] temp_filename = prepend_extension(filename, 'temp') @@ -626,13 +631,13 @@ class FFmpegFixupStretchedPP(FFmpegPostProcessor): os.remove(encodeFilename(filename)) os.rename(encodeFilename(temp_filename), encodeFilename(filename)) - return True, info + return [], info class FFmpegFixupM4aPP(FFmpegPostProcessor): def run(self, info): if info.get('container') != 'm4a_dash': - return True, info + return [], info filename = info['filepath'] temp_filename = prepend_extension(filename, 'temp') @@ -644,7 +649,7 @@ class FFmpegFixupM4aPP(FFmpegPostProcessor): os.remove(encodeFilename(filename)) os.rename(encodeFilename(temp_filename), encodeFilename(filename)) - return True, info + return [], info class FFmpegSubtitlesConvertorPP(FFmpegPostProcessor): @@ -661,7 +666,7 @@ class FFmpegSubtitlesConvertorPP(FFmpegPostProcessor): new_format = 'webvtt' if subs is None: self._downloader.to_screen('[ffmpeg] There aren\'t any subtitles to convert') - return True, info + return [], info self._downloader.to_screen('[ffmpeg] Converting subtitles') for lang, sub in subs.items(): ext = sub['ext'] @@ -671,6 +676,30 @@ class FFmpegSubtitlesConvertorPP(FFmpegPostProcessor): 'format' % new_ext) continue new_file = subtitles_filename(filename, lang, new_ext) + + if ext == 'dfxp' or ext == 'ttml': + 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) + srt_file = subtitles_filename(filename, lang, 'srt') + + with io.open(dfxp_file, 'rt', encoding='utf-8') as f: + srt_data = dfxp2srt(f.read()) + + with io.open(srt_file, 'wt', encoding='utf-8') as f: + f.write(srt_data) + + ext = 'srt' + subs[lang] = { + 'ext': 'srt', + 'data': srt_data + } + + if new_ext == 'srt': + continue + self.run_ffmpeg( subtitles_filename(filename, lang, ext), new_file, ['-f', new_format]) @@ -681,4 +710,4 @@ class FFmpegSubtitlesConvertorPP(FFmpegPostProcessor): 'data': f.read(), } - return True, info + return [], info