diff options
Diffstat (limited to 'youtube_dl/postprocessor/ffmpeg.py')
| -rw-r--r-- | youtube_dl/postprocessor/ffmpeg.py | 195 |
1 files changed, 142 insertions, 53 deletions
diff --git a/youtube_dl/postprocessor/ffmpeg.py b/youtube_dl/postprocessor/ffmpeg.py index 6f010a9c7..855d1e6db 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 @@ -6,11 +8,14 @@ import time from .common import AudioConversionError, PostProcessor -from ..utils import ( - check_executable, +from ..compat import ( compat_subprocess_get_DEVNULL, +) +from ..utils import ( encodeArgument, encodeFilename, + get_exe_version, + is_outdated_version, PostProcessingError, prepend_extension, shell_quote, @@ -25,42 +30,78 @@ class FFmpegPostProcessorError(PostProcessingError): class FFmpegPostProcessor(PostProcessor): def __init__(self, downloader=None, deletetempfiles=False): PostProcessor.__init__(self, downloader) - self._exes = self.detect_executables() + self._versions = self.get_versions() self._deletetempfiles = deletetempfiles + def check_version(self): + if not self._executable: + raise FFmpegPostProcessorError('ffmpeg or avconv not found. Please install one.') + + required_version = '10-0' if self._uses_avconv() else '1.0' + if is_outdated_version( + self._versions[self._executable], required_version): + warning = 'Your copy of %s is outdated, update %s to version %s or newer if you encounter any errors.'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) + @staticmethod - def detect_executables(): + def get_versions(): programs = ['avprobe', 'avconv', 'ffmpeg', 'ffprobe'] - return dict((program, check_executable(program, ['-version'])) for program in programs) + 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') + else: + prefs = ('avconv', 'ffmpeg') + for p in prefs: + if self._versions[p]: + return p + return None - def _get_executable(self): + @property + def _probe_executable(self): if self._downloader.params.get('prefer_ffmpeg', False): - return self._exes['ffmpeg'] or self._exes['avconv'] + prefs = ('ffprobe', 'avprobe') else: - return self._exes['avconv'] or self._exes['ffmpeg'] + prefs = ('avprobe', 'ffprobe') + for p in prefs: + if self._versions[p]: + return p + return None def _uses_avconv(self): - return self._get_executable() == self._exes['avconv'] + return self._executable == 'avconv' def run_ffmpeg_multiple_files(self, input_paths, out_path, opts): - if not self._get_executable(): - raise FFmpegPostProcessorError(u'ffmpeg or avconv not found. Please install one.') + self.check_version() + + oldest_mtime = min( + os.stat(encodeFilename(path)).st_mtime for path in input_paths) files_cmd = [] for path in input_paths: - files_cmd.extend(['-i', encodeFilename(path, True)]) - cmd = ([self._get_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: stderr = stderr.decode('utf-8', 'replace') msg = stderr.strip().split('\n')[-1] raise FFmpegPostProcessorError(msg) + os.utime(encodeFilename(out_path), (oldest_mtime, oldest_mtime)) if self._deletetempfiles: for ipath in input_paths: os.remove(ipath) @@ -70,8 +111,8 @@ 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 @@ -85,12 +126,13 @@ class FFmpegExtractAudioPP(FFmpegPostProcessor): self._nopostoverwrites = nopostoverwrites def get_audio_codec(self, path): - if not self._exes['ffprobe'] and not self._exes['avprobe']: - raise PostProcessingError(u'ffprobe or avprobe not found. Please install one.') + + if not self._probe_executable: + raise PostProcessingError('ffprobe or avprobe not found. Please install one.') try: cmd = [ - self._exes['avprobe'] or self._exes['ffprobe'], - '-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] @@ -122,7 +164,7 @@ 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 = [] @@ -171,7 +213,7 @@ 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. @@ -180,16 +222,16 @@ 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._get_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._get_executable() + msg = 'error running ' + self._executable raise PostProcessingError(msg) # Try to update the date time for extracted audio file. @@ -197,30 +239,30 @@ 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): @@ -422,27 +464,33 @@ 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']] filename = information['filepath'] input_files = [filename] + [subtitles_filename(filename, lang, self._subformat) for lang in sub_langs] - opts = ['-map', '0:0', '-map', '0:1', '-c:v', 'copy', '-c:a', 'copy'] + opts = [ + '-map', '0', + '-c', 'copy', + # Don't copy the existing subtitles, we may be running the + # postprocessor a second time + '-map', '-0:s', + '-c:s', 'mov_text', + ] 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)]) 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 = prepend_extension(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)) @@ -461,15 +509,19 @@ class FFmpegMetadataPP(FFmpegPostProcessor): 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'] + if info.get('webpage_url') is not None: + metadata['comment'] = info['webpage_url'] 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'] @@ -477,7 +529,7 @@ 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)) @@ -487,8 +539,8 @@ 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 @@ -499,7 +551,44 @@ 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 True, info + + 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)) + os.rename(encodeFilename(temp_filename), encodeFilename(filename)) + + return True, info + + +class FFmpegFixupM4aPP(FFmpegPostProcessor): + def run(self, info): + if info.get('container') != 'm4a_dash': + return True, info + + filename = info['filepath'] + temp_filename = prepend_extension(filename, 'temp') + + options = ['-c', 'copy', '-f', 'mp4'] + self._downloader.to_screen('[ffmpeg] Correcting container in "%s"' % filename) self.run_ffmpeg(filename, temp_filename, options) os.remove(encodeFilename(filename)) |