[ffmpeg] Modernize
This commit is contained in:
Philipp Hagemeister
parent
d3b5101a91
commit
3aa578cad2
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@ -1,3 +1,5 @@
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from __future__ import unicode_literals
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import os
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import subprocess
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import sys
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@ -33,12 +35,12 @@ class FFmpegPostProcessor(PostProcessor):
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def check_version(self):
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if not self._executable:
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raise FFmpegPostProcessorError(u'ffmpeg or avconv not found. Please install one.')
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raise FFmpegPostProcessorError('ffmpeg or avconv not found. Please install one.')
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REQUIRED_VERSION = '1.0'
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if is_outdated_version(
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self._versions[self._executable], REQUIRED_VERSION):
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warning = u'Your copy of %s is outdated, update %s to version %s or newer if you encounter any errors.' % (
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warning = 'Your copy of %s is outdated, update %s to version %s or newer if you encounter any errors.' % (
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self._executable, self._executable, REQUIRED_VERSION)
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if self._downloader:
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self._downloader.report_warning(warning)
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@ -84,7 +86,7 @@ class FFmpegPostProcessor(PostProcessor):
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[encodeFilename(self._ffmpeg_filename_argument(out_path), True)])
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if self._downloader.params.get('verbose', False):
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self._downloader.to_screen(u'[debug] ffmpeg command line: %s' % shell_quote(cmd))
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self._downloader.to_screen('[debug] ffmpeg command line: %s' % shell_quote(cmd))
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p = subprocess.Popen(cmd, stdout=subprocess.PIPE, stderr=subprocess.PIPE)
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stdout, stderr = p.communicate()
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if p.returncode != 0:
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@ -100,8 +102,8 @@ class FFmpegPostProcessor(PostProcessor):
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def _ffmpeg_filename_argument(self, fn):
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# ffmpeg broke --, see https://ffmpeg.org/trac/ffmpeg/ticket/2127 for details
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if fn.startswith(u'-'):
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return u'./' + fn
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if fn.startswith('-'):
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return './' + fn
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return fn
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@ -117,7 +119,7 @@ class FFmpegExtractAudioPP(FFmpegPostProcessor):
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def get_audio_codec(self, path):
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if not self._probe_executable:
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raise PostProcessingError(u'ffprobe or avprobe not found. Please install one.')
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raise PostProcessingError('ffprobe or avprobe not found. Please install one.')
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try:
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cmd = [
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self._probe_executable,
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@ -153,7 +155,7 @@ class FFmpegExtractAudioPP(FFmpegPostProcessor):
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filecodec = self.get_audio_codec(path)
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if filecodec is None:
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raise PostProcessingError(u'WARNING: unable to obtain file audio codec with ffprobe')
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raise PostProcessingError('WARNING: unable to obtain file audio codec with ffprobe')
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uses_avconv = self._uses_avconv()
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more_opts = []
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@ -202,7 +204,7 @@ class FFmpegExtractAudioPP(FFmpegPostProcessor):
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extension = 'wav'
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more_opts += ['-f', 'wav']
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prefix, sep, ext = path.rpartition(u'.') # not os.path.splitext, since the latter does not work on unicode in all setups
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prefix, sep, ext = path.rpartition('.') # not os.path.splitext, since the latter does not work on unicode in all setups
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new_path = prefix + sep + extension
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# If we download foo.mp3 and convert it to... foo.mp3, then don't delete foo.mp3, silly.
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@ -211,16 +213,16 @@ class FFmpegExtractAudioPP(FFmpegPostProcessor):
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try:
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if self._nopostoverwrites and os.path.exists(encodeFilename(new_path)):
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self._downloader.to_screen(u'[youtube] Post-process file %s exists, skipping' % new_path)
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self._downloader.to_screen('[youtube] Post-process file %s exists, skipping' % new_path)
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else:
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self._downloader.to_screen(u'[' + self._executable + '] Destination: ' + new_path)
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self._downloader.to_screen('[' + self._executable + '] Destination: ' + new_path)
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self.run_ffmpeg(path, new_path, acodec, more_opts)
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except:
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etype, e, tb = sys.exc_info()
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if isinstance(e, AudioConversionError):
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msg = u'audio conversion failed: ' + e.msg
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msg = 'audio conversion failed: ' + e.msg
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else:
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msg = u'error running ' + self._executable
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msg = 'error running ' + self._executable
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raise PostProcessingError(msg)
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# Try to update the date time for extracted audio file.
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@ -228,7 +230,7 @@ class FFmpegExtractAudioPP(FFmpegPostProcessor):
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try:
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os.utime(encodeFilename(new_path), (time.time(), information['filetime']))
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except:
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self._downloader.report_warning(u'Cannot update utime of audio file')
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self._downloader.report_warning('Cannot update utime of audio file')
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information['filepath'] = new_path
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return self._nopostoverwrites, information
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@ -241,12 +243,12 @@ class FFmpegVideoConvertor(FFmpegPostProcessor):
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def run(self, information):
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path = information['filepath']
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prefix, sep, ext = path.rpartition(u'.')
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prefix, sep, ext = path.rpartition('.')
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outpath = prefix + sep + self._preferedformat
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if information['ext'] == self._preferedformat:
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self._downloader.to_screen(u'[ffmpeg] Not converting video file %s - already is in target format %s' % (path, self._preferedformat))
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self._downloader.to_screen('[ffmpeg] Not converting video file %s - already is in target format %s' % (path, self._preferedformat))
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return True, information
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self._downloader.to_screen(u'[' + 'ffmpeg' + '] Converting video from %s to %s, Destination: ' % (information['ext'], self._preferedformat) + outpath)
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self._downloader.to_screen('[' + 'ffmpeg' + '] Converting video from %s to %s, Destination: ' % (information['ext'], self._preferedformat) + outpath)
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self.run_ffmpeg(path, outpath, [])
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information['filepath'] = outpath
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information['format'] = self._preferedformat
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@ -453,11 +455,11 @@ class FFmpegEmbedSubtitlePP(FFmpegPostProcessor):
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return cls._lang_map.get(code[:2])
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def run(self, information):
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if information['ext'] != u'mp4':
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self._downloader.to_screen(u'[ffmpeg] Subtitles can only be embedded in mp4 files')
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if information['ext'] != 'mp4':
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self._downloader.to_screen('[ffmpeg] Subtitles can only be embedded in mp4 files')
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return True, information
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if not information.get('subtitles'):
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self._downloader.to_screen(u'[ffmpeg] There aren\'t any subtitles to embed')
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self._downloader.to_screen('[ffmpeg] There aren\'t any subtitles to embed')
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return True, information
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sub_langs = [key for key in information['subtitles']]
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@ -472,8 +474,8 @@ class FFmpegEmbedSubtitlePP(FFmpegPostProcessor):
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opts.extend(['-metadata:s:s:%d' % i, 'language=%s' % lang_code])
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opts.extend(['-f', 'mp4'])
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temp_filename = filename + u'.temp'
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self._downloader.to_screen(u'[ffmpeg] Embedding subtitles in \'%s\'' % filename)
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temp_filename = filename + '.temp'
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self._downloader.to_screen('[ffmpeg] Embedding subtitles in \'%s\'' % filename)
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self.run_ffmpeg_multiple_files(input_files, temp_filename, opts)
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os.remove(encodeFilename(filename))
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os.rename(encodeFilename(temp_filename), encodeFilename(filename))
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@ -494,13 +496,13 @@ class FFmpegMetadataPP(FFmpegPostProcessor):
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metadata['artist'] = info['uploader_id']
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if not metadata:
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self._downloader.to_screen(u'[ffmpeg] There isn\'t any metadata to add')
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self._downloader.to_screen('[ffmpeg] There isn\'t any metadata to add')
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return True, info
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filename = info['filepath']
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temp_filename = prepend_extension(filename, 'temp')
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if info['ext'] == u'm4a':
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if info['ext'] == 'm4a':
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options = ['-vn', '-acodec', 'copy']
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else:
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options = ['-c', 'copy']
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@ -508,7 +510,7 @@ class FFmpegMetadataPP(FFmpegPostProcessor):
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for (name, value) in metadata.items():
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options.extend(['-metadata', '%s=%s' % (name, value)])
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self._downloader.to_screen(u'[ffmpeg] Adding metadata to \'%s\'' % filename)
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self._downloader.to_screen('[ffmpeg] Adding metadata to \'%s\'' % filename)
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self.run_ffmpeg(filename, temp_filename, options)
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os.remove(encodeFilename(filename))
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os.rename(encodeFilename(temp_filename), encodeFilename(filename))
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@ -519,7 +521,7 @@ class FFmpegMergerPP(FFmpegPostProcessor):
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def run(self, info):
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filename = info['filepath']
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args = ['-c', 'copy', '-map', '0:v:0', '-map', '1:a:0', '-shortest']
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self._downloader.to_screen(u'[ffmpeg] Merging formats into "%s"' % filename)
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self._downloader.to_screen('[ffmpeg] Merging formats into "%s"' % filename)
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self.run_ffmpeg_multiple_files(info['__files_to_merge'], filename, args)
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return True, info
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@ -530,7 +532,7 @@ class FFmpegAudioFixPP(FFmpegPostProcessor):
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temp_filename = prepend_extension(filename, 'temp')
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options = ['-vn', '-acodec', 'copy']
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self._downloader.to_screen(u'[ffmpeg] Fixing audio file "%s"' % filename)
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self._downloader.to_screen('[ffmpeg] Fixing audio file "%s"' % filename)
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self.run_ffmpeg(filename, temp_filename, options)
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os.remove(encodeFilename(filename))
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