diff options
| -rw-r--r-- | youtube_dl/PostProcessor.py | 15 |
1 files changed, 8 insertions, 7 deletions
diff --git a/youtube_dl/PostProcessor.py b/youtube_dl/PostProcessor.py index 375da1aa3..f2e2aa1fa 100644 --- a/youtube_dl/PostProcessor.py +++ b/youtube_dl/PostProcessor.py @@ -71,13 +71,14 @@ class FFmpegExtractAudioPP(PostProcessor): @staticmethod def detect_executables(): - available = {'avprobe' : False, 'avconv' : False, 'ffmpeg' : False, 'ffprobe' : False} - for path in os.environ["PATH"].split(os.pathsep): - for program in available.keys(): - exe_file = os.path.join(path, program) - if os.path.isfile(exe_file) and os.access(exe_file, os.X_OK): - available[program] = exe_file - return available + def executable(exe): + try: + subprocess.check_output([exe, '-version']) + except OSError: + return False + return exe + programs = ['avprobe', 'avconv', 'ffmpeg', 'ffprobe'] + return dict((program, executable(program)) for program in programs) def get_audio_codec(self, path): if not self._exes['ffprobe'] and not self._exes['avprobe']: return None |