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Diffstat (limited to 'youtube_dl/postprocessor/ffmpeg.py')
-rw-r--r--youtube_dl/postprocessor/ffmpeg.py117
1 files changed, 72 insertions, 45 deletions
diff --git a/youtube_dl/postprocessor/ffmpeg.py b/youtube_dl/postprocessor/ffmpeg.py
index d44de84cf..8bf5bebc3 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
@@ -33,13 +35,13 @@ class FFmpegPostProcessor(PostProcessor):
def check_version(self):
if not self._executable:
- raise FFmpegPostProcessorError(u'ffmpeg or avconv not found. Please install one.')
+ raise FFmpegPostProcessorError('ffmpeg or avconv not found. Please install one.')
- REQUIRED_VERSION = '1.0'
+ required_version = '10-0' if self._uses_avconv() else '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- warning = u'Your copy of %s is outdated, update %s to version %s or newer if you encounter any errors.'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._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+ warning = 'Your copy of %s is outdated, update %s to version %s or newer if you encounter any errors.'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)
@@ -49,6 +51,10 @@ class FFmpegPostProcessor(PostProcessor):
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')
@@ -76,16 +82,18 @@ class FFmpegPostProcessor(PostProcessor):
def run_ffmpeg_multiple_files(self, input_paths, out_path, opts):
self.check_version()
+ oldest_mtime = min(os.stat(path).st_mtime for path in input_paths)
+
files_cmd = []
for path in input_paths:
- files_cmd.extend(['-i', encodeFilename(path, True)])
- oldest_mtime = min(os.stat(path).st_mtime for path in input_paths)
- 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(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:
@@ -102,8 +110,8 @@ 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
@@ -119,11 +127,11 @@ class FFmpegExtractAudioPP(FFmpegPostProcessor):
def get_audio_codec(self, path):
if not self._probe_executable:
- raise PostProcessingError(u'ffprobe or avprobe not found. Please install one.')
+ 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)
output = handle.communicate()[0]
@@ -155,7 +163,7 @@ 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 = []
@@ -204,7 +212,7 @@ 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.
@@ -213,16 +221,16 @@ 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._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._executable
+ msg = 'error running ' + self._executable
raise PostProcessingError(msg)
# Try to update the date time for extracted audio file.
@@ -230,30 +238,30 @@ 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):
@@ -455,11 +463,11 @@ 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']]
@@ -468,14 +476,14 @@ class FFmpegEmbedSubtitlePP(FFmpegPostProcessor):
opts = ['-map', '0:0', '-map', '0:1', '-c:v', 'copy', '-c:a', 'copy']
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), '-c:s:%d' % i, 'mov_text'])
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 = 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))
@@ -496,13 +504,13 @@ class FFmpegMetadataPP(FFmpegPostProcessor):
metadata['artist'] = info['uploader_id']
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']
@@ -510,7 +518,7 @@ 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))
@@ -520,8 +528,8 @@ 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
@@ -532,7 +540,26 @@ 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
+
+ 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))