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Dirty fix for opus format.

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The opus format require some special execution. The usual one with
avconv/ffmpeg is not enough. The easiest way to do it is by converting
to wav with avconv/ffmpeg and then using opusenc to convert it to opus.
opusenc is part of the opus-tools package.
This commit is contained in:
Nikola Taushanov 2013-08-19 02:57:35 +03:00
parent 3f0537dd4a
commit 19e2352b4b
1 changed files with 20 additions and 2 deletions
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22
youtube_dl/PostProcessor.py
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@ -77,7 +77,17 @@ class FFmpegPostProcessor(PostProcessor):
cmd = ([self._exes['avconv'] or self._exes['ffmpeg'], '-y', '-i', encodeFilename(path)] cmd = ([self._exes['avconv'] or self._exes['ffmpeg'], '-y', '-i', encodeFilename(path)]
+ opts + + opts +
[encodeFilename(self._ffmpeg_filename_argument(out_path))]) [encodeFilename(self._ffmpeg_filename_argument(out_path))])
p = subprocess.Popen(cmd, stdout=subprocess.PIPE, stderr=subprocess.PIPE)
# Dirty fix for executing two piped commands
if '|' in cmd:
pipe_position = cmd.index('|')
first_cmd = cmd[:pipe_position]
second_cmd = cmd[(pipe_position + 1):]
p1 = subprocess.Popen(first_cmd, stdout=subprocess.PIPE)
p = subprocess.Popen(second_cmd, stdin=p1.stdout, stdout=subprocess.PIPE)
else:
p = subprocess.Popen(cmd, stdout=subprocess.PIPE, stderr=subprocess.PIPE)
stdout,stderr = p.communicate() stdout,stderr = p.communicate()
if p.returncode != 0: if p.returncode != 0:
stderr = stderr.decode('utf-8', 'replace') stderr = stderr.decode('utf-8', 'replace')
@ -125,7 +135,13 @@ class FFmpegExtractAudioPP(FFmpegPostProcessor):
acodec_opts = [] acodec_opts = []
else: else:
acodec_opts = ['-acodec', codec] acodec_opts = ['-acodec', codec]
opts = ['-vn'] + acodec_opts + more_opts
# Dirty fix for opus format
if codec == 'opus':
opts = ['-f', 'wav', '-', '|', 'opusenc', '-']
else:
opts = ['-vn'] + acodec_opts + more_opts
try: try:
FFmpegPostProcessor.run_ffmpeg(self, path, out_path, opts) FFmpegPostProcessor.run_ffmpeg(self, path, out_path, opts)
except FFmpegPostProcessorError as err: except FFmpegPostProcessorError as err:
@ -182,6 +198,8 @@ class FFmpegExtractAudioPP(FFmpegPostProcessor):
if self._preferredcodec == 'wav': if self._preferredcodec == 'wav':
extension = 'wav' extension = 'wav'
more_opts += ['-f', 'wav'] more_opts += ['-f', 'wav']
if self._preferredcodec == 'opus':
more_opts += []
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(u'.') # not os.path.splitext, since the latter does not work on unicode in all setups
new_path = prefix + sep + extension new_path = prefix + sep + extension