diff options
Diffstat (limited to 'youtube_dl/postprocessor/ffmpeg.py')
| -rw-r--r-- | youtube_dl/postprocessor/ffmpeg.py | 117 |
1 files changed, 72 insertions, 45 deletions
diff --git a/youtube_dl/postprocessor/ffmpeg.py b/youtube_dl/postprocessor/ffmpeg.py index d44de84cf..8bf5bebc3 100644 --- a/youtube_dl/postprocessor/ffmpeg.py +++ b/youtube_dl/postprocessor/ffmpeg.py @@ -1,3 +1,5 @@ +from __future__ import unicode_literals + import os import subprocess import sys @@ -33,13 +35,13 @@ class FFmpegPostProcessor(PostProcessor): def check_version(self): if not self._executable: - raise FFmpegPostProcessorError(u'ffmpeg or avconv not found. Please install one.') + raise FFmpegPostProcessorError('ffmpeg or avconv not found. Please install one.') - REQUIRED_VERSION = '1.0' + required_version = '10-0' if self._uses_avconv() else '1.0' if is_outdated_version( - self._versions[self._executable], REQUIRED_VERSION): - warning = u'Your copy of %s is outdated, update %s to version %s or newer if you encounter any errors.' % ( - self._executable, self._executable, REQUIRED_VERSION) + self._versions[self._executable], required_version): + warning = 'Your copy of %s is outdated, update %s to version %s or newer if you encounter any errors.' % ( + self._executable, self._executable, required_version) if self._downloader: self._downloader.report_warning(warning) @@ -49,6 +51,10 @@ class FFmpegPostProcessor(PostProcessor): return dict((p, get_exe_version(p, args=['-version'])) for p in programs) @property + def available(self): + return self._executable is not None + + @property def _executable(self): if self._downloader.params.get('prefer_ffmpeg', False): prefs = ('ffmpeg', 'avconv') @@ -76,16 +82,18 @@ class FFmpegPostProcessor(PostProcessor): def run_ffmpeg_multiple_files(self, input_paths, out_path, opts): self.check_version() + oldest_mtime = min(os.stat(path).st_mtime for path in input_paths) + files_cmd = [] for path in input_paths: - files_cmd.extend(['-i', encodeFilename(path, True)]) - oldest_mtime = min(os.stat(path).st_mtime for path in input_paths) - cmd = ([self._executable, '-y'] + files_cmd - + [encodeArgument(o) for o in opts] + + files_cmd.extend([encodeArgument('-i'), encodeFilename(path, True)]) + cmd = ([encodeFilename(self._executable, True), encodeArgument('-y')] + + files_cmd + + [encodeArgument(o) for o in opts] + [encodeFilename(self._ffmpeg_filename_argument(out_path), True)]) if self._downloader.params.get('verbose', False): - self._downloader.to_screen(u'[debug] ffmpeg command line: %s' % shell_quote(cmd)) + self._downloader.to_screen('[debug] ffmpeg command line: %s' % shell_quote(cmd)) p = subprocess.Popen(cmd, stdout=subprocess.PIPE, stderr=subprocess.PIPE) stdout, stderr = p.communicate() if p.returncode != 0: @@ -102,8 +110,8 @@ class FFmpegPostProcessor(PostProcessor): def _ffmpeg_filename_argument(self, fn): # ffmpeg broke --, see https://ffmpeg.org/trac/ffmpeg/ticket/2127 for details - if fn.startswith(u'-'): - return u'./' + fn + if fn.startswith('-'): + return './' + fn return fn @@ -119,11 +127,11 @@ class FFmpegExtractAudioPP(FFmpegPostProcessor): def get_audio_codec(self, path): if not self._probe_executable: - raise PostProcessingError(u'ffprobe or avprobe not found. Please install one.') + raise PostProcessingError('ffprobe or avprobe not found. Please install one.') try: cmd = [ - self._probe_executable, - '-show_streams', + encodeFilename(self._probe_executable, True), + encodeArgument('-show_streams'), encodeFilename(self._ffmpeg_filename_argument(path), True)] handle = subprocess.Popen(cmd, stderr=compat_subprocess_get_DEVNULL(), stdout=subprocess.PIPE) output = handle.communicate()[0] @@ -155,7 +163,7 @@ class FFmpegExtractAudioPP(FFmpegPostProcessor): filecodec = self.get_audio_codec(path) if filecodec is None: - raise PostProcessingError(u'WARNING: unable to obtain file audio codec with ffprobe') + raise PostProcessingError('WARNING: unable to obtain file audio codec with ffprobe') uses_avconv = self._uses_avconv() more_opts = [] @@ -204,7 +212,7 @@ class FFmpegExtractAudioPP(FFmpegPostProcessor): extension = 'wav' more_opts += ['-f', 'wav'] - prefix, sep, ext = path.rpartition(u'.') # not os.path.splitext, since the latter does not work on unicode in all setups + 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 # If we download foo.mp3 and convert it to... foo.mp3, then don't delete foo.mp3, silly. @@ -213,16 +221,16 @@ class FFmpegExtractAudioPP(FFmpegPostProcessor): try: if self._nopostoverwrites and os.path.exists(encodeFilename(new_path)): - self._downloader.to_screen(u'[youtube] Post-process file %s exists, skipping' % new_path) + self._downloader.to_screen('[youtube] Post-process file %s exists, skipping' % new_path) else: - self._downloader.to_screen(u'[' + self._executable + '] Destination: ' + new_path) + self._downloader.to_screen('[' + self._executable + '] Destination: ' + new_path) self.run_ffmpeg(path, new_path, acodec, more_opts) except: - etype,e,tb = sys.exc_info() + etype, e, tb = sys.exc_info() if isinstance(e, AudioConversionError): - msg = u'audio conversion failed: ' + e.msg + msg = 'audio conversion failed: ' + e.msg else: - msg = u'error running ' + self._executable + msg = 'error running ' + self._executable raise PostProcessingError(msg) # Try to update the date time for extracted audio file. @@ -230,30 +238,30 @@ class FFmpegExtractAudioPP(FFmpegPostProcessor): try: os.utime(encodeFilename(new_path), (time.time(), information['filetime'])) except: - self._downloader.report_warning(u'Cannot update utime of audio file') + self._downloader.report_warning('Cannot update utime of audio file') information['filepath'] = new_path - return self._nopostoverwrites,information + return self._nopostoverwrites, information -class FFmpegVideoConvertor(FFmpegPostProcessor): - def __init__(self, downloader=None,preferedformat=None): - super(FFmpegVideoConvertor, self).__init__(downloader) - self._preferedformat=preferedformat +class FFmpegVideoConvertorPP(FFmpegPostProcessor): + def __init__(self, downloader=None, preferedformat=None): + super(FFmpegVideoConvertorPP, self).__init__(downloader) + self._preferedformat = preferedformat def run(self, information): path = information['filepath'] - prefix, sep, ext = path.rpartition(u'.') + prefix, sep, ext = path.rpartition('.') outpath = prefix + sep + self._preferedformat if information['ext'] == self._preferedformat: - self._downloader.to_screen(u'[ffmpeg] Not converting video file %s - already is in target format %s' % (path, self._preferedformat)) - return True,information - self._downloader.to_screen(u'['+'ffmpeg'+'] Converting video from %s to %s, Destination: ' % (information['ext'], self._preferedformat) +outpath) + self._downloader.to_screen('[ffmpeg] Not converting video file %s - already is in target format %s' % (path, self._preferedformat)) + return True, information + self._downloader.to_screen('[' + 'ffmpeg' + '] Converting video from %s to %s, Destination: ' % (information['ext'], self._preferedformat) + outpath) self.run_ffmpeg(path, outpath, []) information['filepath'] = outpath information['format'] = self._preferedformat information['ext'] = self._preferedformat - return False,information + return False, information class FFmpegEmbedSubtitlePP(FFmpegPostProcessor): @@ -455,11 +463,11 @@ class FFmpegEmbedSubtitlePP(FFmpegPostProcessor): 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') + if information['ext'] != 'mp4': + self._downloader.to_screen('[ffmpeg] Subtitles can only be embedded in mp4 files') return True, information if not information.get('subtitles'): - self._downloader.to_screen(u'[ffmpeg] There aren\'t any subtitles to embed') + self._downloader.to_screen('[ffmpeg] There aren\'t any subtitles to embed') return True, information sub_langs = [key for key in information['subtitles']] @@ -468,14 +476,14 @@ class FFmpegEmbedSubtitlePP(FFmpegPostProcessor): 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']) + 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._downloader.to_screen(u'[ffmpeg] Embedding subtitles in \'%s\'' % filename) + temp_filename = filename + '.temp' + self._downloader.to_screen('[ffmpeg] Embedding subtitles in \'%s\'' % filename) self.run_ffmpeg_multiple_files(input_files, temp_filename, opts) os.remove(encodeFilename(filename)) os.rename(encodeFilename(temp_filename), encodeFilename(filename)) @@ -496,13 +504,13 @@ class FFmpegMetadataPP(FFmpegPostProcessor): metadata['artist'] = info['uploader_id'] if not metadata: - self._downloader.to_screen(u'[ffmpeg] There isn\'t any metadata to add') + self._downloader.to_screen('[ffmpeg] There isn\'t any metadata to add') return True, info filename = info['filepath'] temp_filename = prepend_extension(filename, 'temp') - if info['ext'] == u'm4a': + if info['ext'] == 'm4a': options = ['-vn', '-acodec', 'copy'] else: options = ['-c', 'copy'] @@ -510,7 +518,7 @@ class FFmpegMetadataPP(FFmpegPostProcessor): for (name, value) in metadata.items(): options.extend(['-metadata', '%s=%s' % (name, value)]) - self._downloader.to_screen(u'[ffmpeg] Adding metadata to \'%s\'' % filename) + self._downloader.to_screen('[ffmpeg] Adding metadata to \'%s\'' % filename) self.run_ffmpeg(filename, temp_filename, options) os.remove(encodeFilename(filename)) os.rename(encodeFilename(temp_filename), encodeFilename(filename)) @@ -520,8 +528,8 @@ class FFmpegMetadataPP(FFmpegPostProcessor): class FFmpegMergerPP(FFmpegPostProcessor): def run(self, info): filename = info['filepath'] - args = ['-c', 'copy', '-map', '0:v:0', '-map', '1:a:0', '-shortest'] - self._downloader.to_screen(u'[ffmpeg] Merging formats into "%s"' % filename) + 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 @@ -532,7 +540,26 @@ class FFmpegAudioFixPP(FFmpegPostProcessor): temp_filename = prepend_extension(filename, 'temp') options = ['-vn', '-acodec', 'copy'] - self._downloader.to_screen(u'[ffmpeg] Fixing audio file "%s"' % filename) + self._downloader.to_screen('[ffmpeg] Fixing audio file "%s"' % filename) + self.run_ffmpeg(filename, temp_filename, options) + + os.remove(encodeFilename(filename)) + os.rename(encodeFilename(temp_filename), encodeFilename(filename)) + + return True, info + + +class FFmpegFixupStretchedPP(FFmpegPostProcessor): + def run(self, info): + stretched_ratio = info.get('stretched_ratio') + if stretched_ratio is None or stretched_ratio == 1: + return + + filename = info['filepath'] + temp_filename = prepend_extension(filename, 'temp') + + options = ['-c', 'copy', '-aspect', '%f' % stretched_ratio] + self._downloader.to_screen('[ffmpeg] Fixing aspect ratio in "%s"' % filename) self.run_ffmpeg(filename, temp_filename, options) os.remove(encodeFilename(filename)) |