[ffmpeg] Warn if ffmpeg/avconv version is too old (Fixes #4026)

This commit is contained in:
Philipp Hagemeister 2014-10-26 16:46:34 +01:00
parent d28b517154
commit 488447455d
3 changed files with 34 additions and 9 deletions

View File

@ -1026,7 +1026,7 @@ class YoutubeDL(object):
downloaded = []
success = True
merger = FFmpegMergerPP(self, not self.params.get('keepvideo'))
if not merger._get_executable():
if not merger._executable:
postprocessors = []
self.report_warning('You have requested multiple '
'formats but ffmpeg or avconv are not installed.'

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@ -12,6 +12,7 @@ from ..utils import (
compat_subprocess_get_DEVNULL,
encodeArgument,
encodeFilename,
is_outdated_version,
PostProcessingError,
prepend_extension,
shell_quote,
@ -41,17 +42,29 @@ class FFmpegPostProcessorError(PostProcessingError):
class FFmpegPostProcessor(PostProcessor):
def __init__(self, downloader=None, deletetempfiles=False):
def __init__(self, downloader, deletetempfiles=False):
PostProcessor.__init__(self, downloader)
self._versions = self.get_versions()
self._deletetempfiles = deletetempfiles
def check_version(self):
if not self._executable:
raise FFmpegPostProcessorError(u'ffmpeg or avconv not found. Please install one.')
REQUIRED_VERSION = '1.0'
if is_outdated_version(
self._versions[self._executable], REQUIRED_VERSION):
warning = u'Your copy of %s is outdated, update %s to version %s or newer if you encounter any errors.' % (
self._executable, self._executable, REQUIRED_VERSION)
self._downloader.report_warning(warning)
@staticmethod
def get_versions():
programs = ['avprobe', 'avconv', 'ffmpeg', 'ffprobe']
return dict((program, get_version(program)) for program in programs)
def _get_executable(self):
@property
def _executable(self):
if self._downloader.params.get('prefer_ffmpeg', False):
prefs = ('ffmpeg', 'avconv')
else:
@ -62,16 +75,15 @@ class FFmpegPostProcessor(PostProcessor):
return None
def _uses_avconv(self):
return self._get_executable() == '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()
files_cmd = []
for path in input_paths:
files_cmd.extend(['-i', encodeFilename(path, True)])
cmd = ([self._get_executable(), '-y'] + files_cmd
cmd = ([self._executable, '-y'] + files_cmd
+ [encodeArgument(o) for o in opts] +
[encodeFilename(self._ffmpeg_filename_argument(out_path), True)])
@ -204,14 +216,14 @@ class FFmpegExtractAudioPP(FFmpegPostProcessor):
if self._nopostoverwrites and os.path.exists(encodeFilename(new_path)):
self._downloader.to_screen(u'[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(u'[' + self._executable + '] Destination: ' + new_path)
self.run_ffmpeg(path, new_path, acodec, more_opts)
except:
etype,e,tb = sys.exc_info()
if isinstance(e, AudioConversionError):
msg = u'audio conversion failed: ' + e.msg
else:
msg = u'error running ' + self._get_executable()
msg = u'error running ' + self._executable
raise PostProcessingError(msg)
# Try to update the date time for extracted audio file.

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@ -1723,3 +1723,16 @@ def limit_length(s, length):
if len(s) > length:
return s[:length - len(ELLIPSES)] + ELLIPSES
return s
def version_tuple(v):
return [int(e) for e in v.split('.')]
def is_outdated_version(version, limit, assume_new=True):
if not version:
return not assume_new
try:
return version_tuple(version) < version_tuple(limit)
except ValueError:
return not assume_new