X-Git-Url: http://git.bitcoin.ninja/index.cgi?a=blobdiff_plain;f=youtube_dl%2Fpostprocessor%2Fffmpeg.py;h=5238ce5340e6ea641aa09d54671057c337704485;hb=cffcbc02de504d84e1c2677bb525c00b03e04f53;hp=473536dccaa43c91e1fa4db2e6bb62b4d62b9645;hpb=ecd1936695e73ba850d0618828b4a40d7d16c091;p=youtube-dl diff --git a/youtube_dl/postprocessor/ffmpeg.py b/youtube_dl/postprocessor/ffmpeg.py index 473536dcc..5238ce534 100644 --- a/youtube_dl/postprocessor/ffmpeg.py +++ b/youtube_dl/postprocessor/ffmpeg.py @@ -50,6 +50,10 @@ class FFmpegPostProcessor(PostProcessor): programs = ['avprobe', 'avconv', 'ffmpeg', 'ffprobe'] 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): @@ -78,21 +82,26 @@ class FFmpegPostProcessor(PostProcessor): def run_ffmpeg_multiple_files(self, input_paths, out_path, opts): 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._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('[debug] ffmpeg command line: %s' % shell_quote(cmd)) - p = subprocess.Popen(cmd, stdout=subprocess.PIPE, stderr=subprocess.PIPE) + p = subprocess.Popen(cmd, stdout=subprocess.PIPE, stderr=subprocess.PIPE, stdin=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) @@ -122,10 +131,10 @@ class FFmpegExtractAudioPP(FFmpegPostProcessor): 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) + handle = subprocess.Popen(cmd, stderr=compat_subprocess_get_DEVNULL(), stdout=subprocess.PIPE, stdin=subprocess.PIPE) output = handle.communicate()[0] if handle.wait() != 0: return None @@ -157,14 +166,13 @@ class FFmpegExtractAudioPP(FFmpegPostProcessor): if filecodec is None: raise PostProcessingError('WARNING: unable to obtain file audio codec with ffprobe') - uses_avconv = self._uses_avconv() more_opts = [] if self._preferredcodec == 'best' or self._preferredcodec == filecodec or (self._preferredcodec == 'm4a' and filecodec == 'aac'): if filecodec == 'aac' and self._preferredcodec in ['m4a', 'best']: # Lossless, but in another container acodec = 'copy' extension = 'm4a' - more_opts = ['-bsf:a' if uses_avconv else '-absf', 'aac_adtstoasc'] + more_opts = ['-bsf:a', 'aac_adtstoasc'] elif filecodec in ['aac', 'mp3', 'vorbis', 'opus']: # Lossless if possible acodec = 'copy' @@ -180,9 +188,9 @@ class FFmpegExtractAudioPP(FFmpegPostProcessor): more_opts = [] if self._preferredquality is not None: if int(self._preferredquality) < 10: - more_opts += ['-q:a' if uses_avconv else '-aq', self._preferredquality] + more_opts += ['-q:a', self._preferredquality] else: - more_opts += ['-b:a' if uses_avconv else '-ab', self._preferredquality + 'k'] + 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] @@ -191,13 +199,13 @@ class FFmpegExtractAudioPP(FFmpegPostProcessor): if self._preferredquality is not None: # The opus codec doesn't support the -aq option if int(self._preferredquality) < 10 and extension != 'opus': - more_opts += ['-q:a' if uses_avconv else '-aq', self._preferredquality] + more_opts += ['-q:a', self._preferredquality] else: - more_opts += ['-b:a' if uses_avconv else '-ab', self._preferredquality + 'k'] + more_opts += ['-b:a', self._preferredquality + 'k'] if self._preferredcodec == 'aac': more_opts += ['-f', 'adts'] if self._preferredcodec == 'm4a': - more_opts += ['-bsf:a' if uses_avconv else '-absf', 'aac_adtstoasc'] + more_opts += ['-bsf:a', 'aac_adtstoasc'] if self._preferredcodec == 'vorbis': extension = 'ogg' if self._preferredcodec == 'wav': @@ -466,15 +474,21 @@ class FFmpegEmbedSubtitlePP(FFmpegPostProcessor): 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 + '.temp' + 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)) @@ -494,6 +508,11 @@ 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'] + metadata['comment'] = info['description'] + if info.get('webpage_url') is not None: + metadata['purl'] = info['webpage_url'] if not metadata: self._downloader.to_screen('[ffmpeg] There isn\'t any metadata to add') @@ -539,3 +558,40 @@ class FFmpegAudioFixPP(FFmpegPostProcessor): 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)) + os.rename(encodeFilename(temp_filename), encodeFilename(filename)) + + return True, info