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80 lines
2.8 KiB
Python
80 lines
2.8 KiB
Python
# -*- coding: utf-8 -*-
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from __future__ import unicode_literals
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import os
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import subprocess
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from .ffmpeg import FFmpegPostProcessor
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from ..compat import (
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compat_urlretrieve,
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)
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from ..utils import (
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check_executable,
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encodeFilename,
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PostProcessingError,
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prepend_extension,
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shell_quote
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)
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class EmbedThumbnailPPError(PostProcessingError):
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pass
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class EmbedThumbnailPP(FFmpegPostProcessor):
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def run(self, info):
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filename = info['filepath']
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temp_filename = prepend_extension(filename, 'temp')
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temp_thumbnail = prepend_extension(filename, 'thumb')
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if not info.get('thumbnail'):
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raise EmbedThumbnailPPError('Thumbnail was not found. Nothing to do.')
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compat_urlretrieve(info['thumbnail'], temp_thumbnail)
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if info['ext'] == 'mp3':
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options = [
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'-i', temp_thumbnail, '-c', 'copy', '-map', '0', '-map', '1',
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'-metadata:s:v', 'title="Album cover"', '-metadata:s:v', 'comment="Cover (Front)"']
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self._downloader.to_screen('[ffmpeg] Adding thumbnail to "%s"' % filename)
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self.run_ffmpeg(filename, temp_filename, options)
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os.remove(encodeFilename(temp_thumbnail))
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os.remove(encodeFilename(filename))
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os.rename(encodeFilename(temp_filename), encodeFilename(filename))
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elif info['ext'] == 'm4a':
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if not check_executable('AtomicParsley', ['-v']):
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raise EmbedThumbnailPPError('AtomicParsley was not found. Please install.')
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cmd = ['AtomicParsley', filename, '--artwork', temp_thumbnail, '-o', temp_filename]
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self._downloader.to_screen('[atomicparsley] Adding thumbnail to "%s"' % filename)
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if self._downloader.params.get('verbose', False):
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self._downloader.to_screen('[debug] AtomicParsley command line: %s' % shell_quote(cmd))
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p = subprocess.Popen(cmd, stdout=subprocess.PIPE, stderr=subprocess.PIPE)
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stdout, stderr = p.communicate()
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if p.returncode != 0:
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msg = stderr.decode('utf-8', 'replace').strip()
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raise EmbedThumbnailPPError(msg)
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os.remove(encodeFilename(temp_thumbnail))
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# for formats that don't support thumbnails (like 3gp) AtomicParsley
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# won't create to the temporary file
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if b'No changes' in stdout:
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self._downloader.report_warning('The file format doesn\'t support embedding a thumbnail')
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else:
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os.remove(encodeFilename(filename))
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os.rename(encodeFilename(temp_filename), encodeFilename(filename))
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else:
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raise EmbedThumbnailPPError('Only mp3 and m4a are supported for thumbnail embedding for now.')
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return [], info
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