diff options
Diffstat (limited to 'youtube_dl')
| -rwxr-xr-x | youtube_dl/__init__.py | 17 |
1 files changed, 12 insertions, 5 deletions
diff --git a/youtube_dl/__init__.py b/youtube_dl/__init__.py index ecc000fb8..3fed554df 100755 --- a/youtube_dl/__init__.py +++ b/youtube_dl/__init__.py @@ -3968,8 +3968,13 @@ class FFmpegExtractAudioPP(PostProcessor): return None more_opts = [] - if self._preferredcodec == 'best' or self._preferredcodec == filecodec: - if filecodec in ['aac', 'mp3', 'vorbis']: + if self._preferredcodec == 'best' or self._preferredcodec == filecodec or (self._preferredcodec == 'm4a' and filecodec == 'aac'): + if self._preferredcodec == 'm4a' and filecodec == 'aac': + # Lossless, but in another container + acodec = 'copy' + extension = self._preferredcodec + more_opts = ['-absf', 'aac_adtstoasc'] + elif filecodec in ['aac', 'mp3', 'vorbis']: # Lossless if possible acodec = 'copy' extension = filecodec @@ -3986,13 +3991,15 @@ class FFmpegExtractAudioPP(PostProcessor): more_opts += ['-ab', self._preferredquality] else: # We convert the audio (lossy) - acodec = {'mp3': 'libmp3lame', 'aac': 'aac', 'vorbis': 'libvorbis'}[self._preferredcodec] + acodec = {'mp3': 'libmp3lame', 'aac': 'aac', 'm4a': 'aac', 'vorbis': 'libvorbis'}[self._preferredcodec] extension = self._preferredcodec more_opts = [] if self._preferredquality is not None: more_opts += ['-ab', self._preferredquality] if self._preferredcodec == 'aac': more_opts += ['-f', 'adts'] + if self._preferredcodec == 'm4a': + more_opts += ['-absf', 'aac_adtstoasc'] if self._preferredcodec == 'vorbis': extension = 'ogg' @@ -4239,7 +4246,7 @@ def parseOpts(): postproc.add_option('--extract-audio', action='store_true', dest='extractaudio', default=False, help='convert video files to audio-only files (requires ffmpeg and ffprobe)') postproc.add_option('--audio-format', metavar='FORMAT', dest='audioformat', default='best', - help='"best", "aac", "vorbis" or "mp3"; best by default') + help='"best", "aac", "vorbis", "mp3", or "m4a"; best by default') postproc.add_option('--audio-quality', metavar='QUALITY', dest='audioquality', default='128K', help='ffmpeg audio bitrate specification, 128k by default') postproc.add_option('-k', '--keep-video', action='store_true', dest='keepvideo', default=False, @@ -4385,7 +4392,7 @@ def _real_main(): except (TypeError, ValueError), err: parser.error(u'invalid playlist end number specified') if opts.extractaudio: - if opts.audioformat not in ['best', 'aac', 'mp3', 'vorbis']: + if opts.audioformat not in ['best', 'aac', 'mp3', 'vorbis', 'm4a']: parser.error(u'invalid audio format specified') # File downloader |