mirror of https://github.com/yt-dlp/yt-dlp.git
890 lines
36 KiB
Python
890 lines
36 KiB
Python
from __future__ import unicode_literals
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import io
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import os
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import subprocess
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import time
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import re
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import json
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from .common import AudioConversionError, PostProcessor
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from ..compat import compat_str, compat_numeric_types
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from ..utils import (
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encodeArgument,
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encodeFilename,
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get_exe_version,
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is_outdated_version,
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PostProcessingError,
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prepend_extension,
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shell_quote,
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dfxp2srt,
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ISO639Utils,
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process_communicate_or_kill,
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replace_extension,
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traverse_dict,
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)
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EXT_TO_OUT_FORMATS = {
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'aac': 'adts',
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'flac': 'flac',
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'm4a': 'ipod',
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'mka': 'matroska',
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'mkv': 'matroska',
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'mpg': 'mpeg',
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'ogv': 'ogg',
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'ts': 'mpegts',
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'wma': 'asf',
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'wmv': 'asf',
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}
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ACODECS = {
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'mp3': 'libmp3lame',
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'aac': 'aac',
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'flac': 'flac',
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'm4a': 'aac',
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'opus': 'libopus',
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'vorbis': 'libvorbis',
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'wav': None,
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}
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class FFmpegPostProcessorError(PostProcessingError):
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pass
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class FFmpegPostProcessor(PostProcessor):
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def __init__(self, downloader=None):
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PostProcessor.__init__(self, downloader)
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self._determine_executables()
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def check_version(self):
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if not self.available:
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raise FFmpegPostProcessorError('ffmpeg not found. Please install or provide the path using --ffmpeg-location')
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required_version = '10-0' if self.basename == 'avconv' else '1.0'
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if is_outdated_version(
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self._versions[self.basename], required_version):
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warning = 'Your copy of %s is outdated, update %s to version %s or newer if you encounter any errors.' % (
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self.basename, self.basename, required_version)
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self.report_warning(warning)
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@staticmethod
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def get_versions(downloader=None):
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return FFmpegPostProcessor(downloader)._versions
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def _determine_executables(self):
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programs = ['avprobe', 'avconv', 'ffmpeg', 'ffprobe']
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prefer_ffmpeg = True
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def get_ffmpeg_version(path):
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ver = get_exe_version(path, args=['-version'])
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if ver:
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regexs = [
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r'(?:\d+:)?([0-9.]+)-[0-9]+ubuntu[0-9.]+$', # Ubuntu, see [1]
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r'n([0-9.]+)$', # Arch Linux
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# 1. http://www.ducea.com/2006/06/17/ubuntu-package-version-naming-explanation/
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]
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for regex in regexs:
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mobj = re.match(regex, ver)
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if mobj:
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ver = mobj.group(1)
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return ver
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self.basename = None
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self.probe_basename = None
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self._paths = None
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self._versions = None
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if self._downloader:
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prefer_ffmpeg = self.get_param('prefer_ffmpeg', True)
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location = self.get_param('ffmpeg_location')
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if location is not None:
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if not os.path.exists(location):
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self.report_warning(
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'ffmpeg-location %s does not exist! '
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'Continuing without ffmpeg.' % (location))
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self._versions = {}
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return
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elif not os.path.isdir(location):
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basename = os.path.splitext(os.path.basename(location))[0]
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if basename not in programs:
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self.report_warning(
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'Cannot identify executable %s, its basename should be one of %s. '
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'Continuing without ffmpeg.' %
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(location, ', '.join(programs)))
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self._versions = {}
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return None
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location = os.path.dirname(os.path.abspath(location))
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if basename in ('ffmpeg', 'ffprobe'):
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prefer_ffmpeg = True
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self._paths = dict(
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(p, os.path.join(location, p)) for p in programs)
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self._versions = dict(
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(p, get_ffmpeg_version(self._paths[p])) for p in programs)
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if self._versions is None:
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self._versions = dict(
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(p, get_ffmpeg_version(p)) for p in programs)
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self._paths = dict((p, p) for p in programs)
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if prefer_ffmpeg is False:
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prefs = ('avconv', 'ffmpeg')
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else:
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prefs = ('ffmpeg', 'avconv')
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for p in prefs:
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if self._versions[p]:
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self.basename = p
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break
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if prefer_ffmpeg is False:
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prefs = ('avprobe', 'ffprobe')
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else:
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prefs = ('ffprobe', 'avprobe')
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for p in prefs:
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if self._versions[p]:
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self.probe_basename = p
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break
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@property
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def available(self):
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return self.basename is not None
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@property
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def executable(self):
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return self._paths[self.basename]
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@property
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def probe_available(self):
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return self.probe_basename is not None
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@property
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def probe_executable(self):
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return self._paths[self.probe_basename]
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def get_audio_codec(self, path):
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if not self.probe_available and not self.available:
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raise PostProcessingError('ffprobe and ffmpeg not found. Please install or provide the path using --ffmpeg-location')
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try:
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if self.probe_available:
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cmd = [
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encodeFilename(self.probe_executable, True),
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encodeArgument('-show_streams')]
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else:
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cmd = [
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encodeFilename(self.executable, True),
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encodeArgument('-i')]
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cmd.append(encodeFilename(self._ffmpeg_filename_argument(path), True))
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self.write_debug('%s command line: %s' % (self.basename, shell_quote(cmd)))
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handle = subprocess.Popen(
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cmd, stderr=subprocess.PIPE,
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stdout=subprocess.PIPE, stdin=subprocess.PIPE)
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stdout_data, stderr_data = process_communicate_or_kill(handle)
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expected_ret = 0 if self.probe_available else 1
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if handle.wait() != expected_ret:
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return None
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except (IOError, OSError):
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return None
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output = (stdout_data if self.probe_available else stderr_data).decode('ascii', 'ignore')
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if self.probe_available:
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audio_codec = None
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for line in output.split('\n'):
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if line.startswith('codec_name='):
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audio_codec = line.split('=')[1].strip()
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elif line.strip() == 'codec_type=audio' and audio_codec is not None:
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return audio_codec
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else:
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# Stream #FILE_INDEX:STREAM_INDEX[STREAM_ID](LANGUAGE): CODEC_TYPE: CODEC_NAME
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mobj = re.search(
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r'Stream\s*#\d+:\d+(?:\[0x[0-9a-f]+\])?(?:\([a-z]{3}\))?:\s*Audio:\s*([0-9a-z]+)',
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output)
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if mobj:
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return mobj.group(1)
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return None
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def get_metadata_object(self, path, opts=[]):
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if self.probe_basename != 'ffprobe':
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if self.probe_available:
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self.report_warning('Only ffprobe is supported for metadata extraction')
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raise PostProcessingError('ffprobe not found. Please install or provide the path using --ffmpeg-location')
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self.check_version()
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cmd = [
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encodeFilename(self.probe_executable, True),
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encodeArgument('-hide_banner'),
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encodeArgument('-show_format'),
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encodeArgument('-show_streams'),
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encodeArgument('-print_format'),
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encodeArgument('json'),
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]
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cmd += opts
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cmd.append(encodeFilename(self._ffmpeg_filename_argument(path), True))
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self.write_debug('ffprobe command line: %s' % shell_quote(cmd))
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p = subprocess.Popen(cmd, stdout=subprocess.PIPE, stderr=subprocess.PIPE, stdin=subprocess.PIPE)
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stdout, stderr = p.communicate()
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return json.loads(stdout.decode('utf-8', 'replace'))
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def get_stream_number(self, path, keys, value):
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streams = self.get_metadata_object(path)['streams']
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num = next(
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(i for i, stream in enumerate(streams) if traverse_dict(stream, keys, casesense=False) == value),
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None)
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return num, len(streams)
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def run_ffmpeg_multiple_files(self, input_paths, out_path, opts):
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return self.real_run_ffmpeg(
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[(path, []) for path in input_paths],
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[(out_path, opts)])
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def real_run_ffmpeg(self, input_path_opts, output_path_opts):
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self.check_version()
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oldest_mtime = min(
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os.stat(encodeFilename(path)).st_mtime for path, _ in input_path_opts)
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cmd = [encodeFilename(self.executable, True), encodeArgument('-y')]
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# avconv does not have repeat option
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if self.basename == 'ffmpeg':
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cmd += [encodeArgument('-loglevel'), encodeArgument('repeat+info')]
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def make_args(file, args, name, number):
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keys = ['_%s%d' % (name, number), '_%s' % name]
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if name == 'o' and number == 1:
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keys.append('')
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args += self._configuration_args(self.basename, keys)
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if name == 'i':
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args.append('-i')
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return (
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[encodeArgument(arg) for arg in args]
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+ [encodeFilename(self._ffmpeg_filename_argument(file), True)])
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for arg_type, path_opts in (('i', input_path_opts), ('o', output_path_opts)):
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cmd += [arg for i, o in enumerate(path_opts)
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for arg in make_args(o[0], o[1], arg_type, i + 1)]
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self.write_debug('ffmpeg command line: %s' % shell_quote(cmd))
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p = subprocess.Popen(cmd, stdout=subprocess.PIPE, stderr=subprocess.PIPE, stdin=subprocess.PIPE)
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stdout, stderr = process_communicate_or_kill(p)
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if p.returncode != 0:
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stderr = stderr.decode('utf-8', 'replace').strip()
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if self.get_param('verbose', False):
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self.report_error(stderr)
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raise FFmpegPostProcessorError(stderr.split('\n')[-1])
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for out_path, _ in output_path_opts:
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self.try_utime(out_path, oldest_mtime, oldest_mtime)
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return stderr.decode('utf-8', 'replace')
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def run_ffmpeg(self, path, out_path, opts):
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return self.run_ffmpeg_multiple_files([path], out_path, opts)
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def _ffmpeg_filename_argument(self, fn):
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# Always use 'file:' because the filename may contain ':' (ffmpeg
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# interprets that as a protocol) or can start with '-' (-- is broken in
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# ffmpeg, see https://ffmpeg.org/trac/ffmpeg/ticket/2127 for details)
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# Also leave '-' intact in order not to break streaming to stdout.
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if fn.startswith(('http://', 'https://')):
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return fn
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return 'file:' + fn if fn != '-' else fn
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class FFmpegExtractAudioPP(FFmpegPostProcessor):
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COMMON_AUDIO_EXTENSIONS = ('wav', 'flac', 'm4a', 'aiff', 'mp3', 'ogg', 'mka', 'opus', 'wma')
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def __init__(self, downloader=None, preferredcodec=None, preferredquality=None, nopostoverwrites=False):
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FFmpegPostProcessor.__init__(self, downloader)
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if preferredcodec is None:
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preferredcodec = 'best'
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self._preferredcodec = preferredcodec
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self._preferredquality = preferredquality
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self._nopostoverwrites = nopostoverwrites
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def run_ffmpeg(self, path, out_path, codec, more_opts):
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if codec is None:
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acodec_opts = []
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else:
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acodec_opts = ['-acodec', codec]
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opts = ['-vn'] + acodec_opts + more_opts
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try:
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FFmpegPostProcessor.run_ffmpeg(self, path, out_path, opts)
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except FFmpegPostProcessorError as err:
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raise AudioConversionError(err.msg)
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def run(self, information):
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path = information['filepath']
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orig_ext = information['ext']
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if self._preferredcodec == 'best' and orig_ext in self.COMMON_AUDIO_EXTENSIONS:
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self.to_screen('Skipping audio extraction since the file is already in a common audio format')
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return [], information
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filecodec = self.get_audio_codec(path)
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if filecodec is None:
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raise PostProcessingError('WARNING: unable to obtain file audio codec with ffprobe')
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more_opts = []
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if self._preferredcodec == 'best' or self._preferredcodec == filecodec or (self._preferredcodec == 'm4a' and filecodec == 'aac'):
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if filecodec == 'aac' and self._preferredcodec in ['m4a', 'best']:
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# Lossless, but in another container
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acodec = 'copy'
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extension = 'm4a'
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more_opts = ['-bsf:a', 'aac_adtstoasc']
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elif filecodec in ['aac', 'flac', 'mp3', 'vorbis', 'opus']:
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# Lossless if possible
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acodec = 'copy'
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extension = filecodec
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if filecodec == 'aac':
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more_opts = ['-f', 'adts']
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if filecodec == 'vorbis':
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extension = 'ogg'
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else:
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# MP3 otherwise.
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acodec = 'libmp3lame'
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extension = 'mp3'
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more_opts = []
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if self._preferredquality is not None:
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if int(self._preferredquality) < 10:
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more_opts += ['-q:a', self._preferredquality]
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else:
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more_opts += ['-b:a', self._preferredquality + 'k']
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else:
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# We convert the audio (lossy if codec is lossy)
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acodec = ACODECS[self._preferredcodec]
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extension = self._preferredcodec
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more_opts = []
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if self._preferredquality is not None:
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# The opus codec doesn't support the -aq option
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if int(self._preferredquality) < 10 and extension != 'opus':
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more_opts += ['-q:a', self._preferredquality]
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else:
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more_opts += ['-b:a', self._preferredquality + 'k']
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if self._preferredcodec == 'aac':
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more_opts += ['-f', 'adts']
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if self._preferredcodec == 'm4a':
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more_opts += ['-bsf:a', 'aac_adtstoasc']
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if self._preferredcodec == 'vorbis':
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extension = 'ogg'
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if self._preferredcodec == 'wav':
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extension = 'wav'
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more_opts += ['-f', 'wav']
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prefix, sep, ext = path.rpartition('.') # not os.path.splitext, since the latter does not work on unicode in all setups
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new_path = prefix + sep + extension
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information['filepath'] = new_path
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information['ext'] = extension
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# If we download foo.mp3 and convert it to... foo.mp3, then don't delete foo.mp3, silly.
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if (new_path == path
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or (self._nopostoverwrites and os.path.exists(encodeFilename(new_path)))):
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self.to_screen('Post-process file %s exists, skipping' % new_path)
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return [], information
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try:
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self.to_screen('Destination: ' + new_path)
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self.run_ffmpeg(path, new_path, acodec, more_opts)
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except AudioConversionError as e:
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raise PostProcessingError(
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'audio conversion failed: ' + e.msg)
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except Exception:
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raise PostProcessingError('error running ' + self.basename)
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# Try to update the date time for extracted audio file.
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if information.get('filetime') is not None:
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self.try_utime(
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new_path, time.time(), information['filetime'],
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errnote='Cannot update utime of audio file')
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return [path], information
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class FFmpegVideoRemuxerPP(FFmpegPostProcessor):
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def __init__(self, downloader=None, preferedformat=None):
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super(FFmpegVideoRemuxerPP, self).__init__(downloader)
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self._preferedformats = preferedformat.lower().split('/')
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def run(self, information):
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path = information['filepath']
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sourceext, targetext = information['ext'].lower(), None
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for pair in self._preferedformats:
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kv = pair.split('>')
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if len(kv) == 1 or kv[0].strip() == sourceext:
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targetext = kv[-1].strip()
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break
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_skip_msg = (
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'could not find a mapping for %s' if not targetext
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else 'already is in target format %s' if sourceext == targetext
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else None)
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if _skip_msg:
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self.to_screen('Not remuxing media file %s; %s' % (path, _skip_msg % sourceext))
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return [], information
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options = ['-c', 'copy', '-map', '0', '-dn']
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if targetext in ['mp4', 'm4a', 'mov']:
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options.extend(['-movflags', '+faststart'])
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prefix, sep, oldext = path.rpartition('.')
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outpath = prefix + sep + targetext
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self.to_screen('Remuxing video from %s to %s; Destination: %s' % (sourceext, targetext, outpath))
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self.run_ffmpeg(path, outpath, options)
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information['filepath'] = outpath
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information['format'] = targetext
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information['ext'] = targetext
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return [path], information
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class FFmpegVideoConvertorPP(FFmpegPostProcessor):
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def __init__(self, downloader=None, preferedformat=None):
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super(FFmpegVideoConvertorPP, self).__init__(downloader)
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self._preferedformat = preferedformat
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def run(self, information):
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path = information['filepath']
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if information['ext'] == self._preferedformat:
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self.to_screen('Not converting video file %s - already is in target format %s' % (path, self._preferedformat))
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return [], information
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options = []
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if self._preferedformat == 'avi':
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options.extend(['-c:v', 'libxvid', '-vtag', 'XVID'])
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prefix, sep, ext = path.rpartition('.')
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outpath = prefix + sep + self._preferedformat
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self.to_screen('Converting video from %s to %s, Destination: ' % (information['ext'], self._preferedformat) + outpath)
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self.run_ffmpeg(path, outpath, options)
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information['filepath'] = outpath
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information['format'] = self._preferedformat
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information['ext'] = self._preferedformat
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return [path], information
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class FFmpegEmbedSubtitlePP(FFmpegPostProcessor):
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def __init__(self, downloader=None, already_have_subtitle=False):
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super(FFmpegEmbedSubtitlePP, self).__init__(downloader)
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self._already_have_subtitle = already_have_subtitle
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def run(self, information):
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if information['ext'] not in ('mp4', 'webm', 'mkv'):
|
|
self.to_screen('Subtitles can only be embedded in mp4, webm or mkv files')
|
|
return [], information
|
|
subtitles = information.get('requested_subtitles')
|
|
if not subtitles:
|
|
self.to_screen('There aren\'t any subtitles to embed')
|
|
return [], information
|
|
|
|
filename = information['filepath']
|
|
|
|
ext = information['ext']
|
|
sub_langs = []
|
|
sub_filenames = []
|
|
webm_vtt_warn = False
|
|
mp4_ass_warn = False
|
|
|
|
for lang, sub_info in subtitles.items():
|
|
sub_ext = sub_info['ext']
|
|
if sub_ext == 'json':
|
|
self.report_warning('JSON subtitles cannot be embedded')
|
|
elif ext != 'webm' or ext == 'webm' and sub_ext == 'vtt':
|
|
sub_langs.append(lang)
|
|
sub_filenames.append(sub_info['filepath'])
|
|
else:
|
|
if not webm_vtt_warn and ext == 'webm' and sub_ext != 'vtt':
|
|
webm_vtt_warn = True
|
|
self.report_warning('Only WebVTT subtitles can be embedded in webm files')
|
|
if not mp4_ass_warn and ext == 'mp4' and sub_ext == 'ass':
|
|
mp4_ass_warn = True
|
|
self.report_warning('ASS subtitles cannot be properly embedded in mp4 files; expect issues')
|
|
|
|
if not sub_langs:
|
|
return [], information
|
|
|
|
input_files = [filename] + sub_filenames
|
|
|
|
opts = [
|
|
'-c', 'copy', '-map', '0', '-dn',
|
|
# Don't copy the existing subtitles, we may be running the
|
|
# postprocessor a second time
|
|
'-map', '-0:s',
|
|
# Don't copy Apple TV chapters track, bin_data (see #19042, #19024,
|
|
# https://trac.ffmpeg.org/ticket/6016)
|
|
'-map', '-0:d',
|
|
]
|
|
if information['ext'] == 'mp4':
|
|
opts += ['-c:s', 'mov_text']
|
|
for (i, lang) in enumerate(sub_langs):
|
|
opts.extend(['-map', '%d:0' % (i + 1)])
|
|
lang_code = ISO639Utils.short2long(lang) or lang
|
|
opts.extend(['-metadata:s:s:%d' % i, 'language=%s' % lang_code])
|
|
|
|
temp_filename = prepend_extension(filename, 'temp')
|
|
self.to_screen('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))
|
|
|
|
files_to_delete = [] if self._already_have_subtitle else sub_filenames
|
|
return files_to_delete, information
|
|
|
|
|
|
class FFmpegMetadataPP(FFmpegPostProcessor):
|
|
def run(self, info):
|
|
metadata = {}
|
|
|
|
def add(meta_list, info_list=None):
|
|
if not meta_list:
|
|
return
|
|
if not info_list:
|
|
info_list = meta_list
|
|
if not isinstance(meta_list, (list, tuple)):
|
|
meta_list = (meta_list,)
|
|
if not isinstance(info_list, (list, tuple)):
|
|
info_list = (info_list,)
|
|
for info_f in info_list:
|
|
if isinstance(info.get(info_f), (compat_str, compat_numeric_types)):
|
|
for meta_f in meta_list:
|
|
metadata[meta_f] = info[info_f]
|
|
break
|
|
|
|
# See [1-4] for some info on media metadata/metadata supported
|
|
# by ffmpeg.
|
|
# 1. https://kdenlive.org/en/project/adding-meta-data-to-mp4-video/
|
|
# 2. https://wiki.multimedia.cx/index.php/FFmpeg_Metadata
|
|
# 3. https://kodi.wiki/view/Video_file_tagging
|
|
|
|
add('title', ('track', 'title'))
|
|
add('date', 'upload_date')
|
|
add(('description', 'synopsis'), 'description')
|
|
add(('purl', 'comment'), 'webpage_url')
|
|
add('track', 'track_number')
|
|
add('artist', ('artist', 'creator', 'uploader', 'uploader_id'))
|
|
add('genre')
|
|
add('album')
|
|
add('album_artist')
|
|
add('disc', 'disc_number')
|
|
add('show', 'series')
|
|
add('season_number')
|
|
add('episode_id', ('episode', 'episode_id'))
|
|
add('episode_sort', 'episode_number')
|
|
|
|
prefix = 'meta_'
|
|
for key in filter(lambda k: k.startswith(prefix), info.keys()):
|
|
add(key[len(prefix):], key)
|
|
|
|
if not metadata:
|
|
self.to_screen('There isn\'t any metadata to add')
|
|
return [], info
|
|
|
|
filename = info['filepath']
|
|
temp_filename = prepend_extension(filename, 'temp')
|
|
in_filenames = [filename]
|
|
options = ['-map', '0', '-dn']
|
|
|
|
if info['ext'] == 'm4a':
|
|
options.extend(['-vn', '-acodec', 'copy'])
|
|
else:
|
|
options.extend(['-c', 'copy'])
|
|
|
|
for name, value in metadata.items():
|
|
options.extend(['-metadata', '%s=%s' % (name, value)])
|
|
|
|
chapters = info.get('chapters', [])
|
|
if chapters:
|
|
metadata_filename = replace_extension(filename, 'meta')
|
|
with io.open(metadata_filename, 'wt', encoding='utf-8') as f:
|
|
def ffmpeg_escape(text):
|
|
return re.sub(r'(=|;|#|\\|\n)', r'\\\1', text)
|
|
|
|
metadata_file_content = ';FFMETADATA1\n'
|
|
for chapter in chapters:
|
|
metadata_file_content += '[CHAPTER]\nTIMEBASE=1/1000\n'
|
|
metadata_file_content += 'START=%d\n' % (chapter['start_time'] * 1000)
|
|
metadata_file_content += 'END=%d\n' % (chapter['end_time'] * 1000)
|
|
chapter_title = chapter.get('title')
|
|
if chapter_title:
|
|
metadata_file_content += 'title=%s\n' % ffmpeg_escape(chapter_title)
|
|
f.write(metadata_file_content)
|
|
in_filenames.append(metadata_filename)
|
|
options.extend(['-map_metadata', '1'])
|
|
|
|
if ('no-attach-info-json' not in self.get_param('compat_opts', [])
|
|
and '__infojson_filename' in info and info['ext'] in ('mkv', 'mka')):
|
|
old_stream, new_stream = self.get_stream_number(
|
|
filename, ('tags', 'mimetype'), 'application/json')
|
|
if old_stream is not None:
|
|
options.extend(['-map', '-0:%d' % old_stream])
|
|
new_stream -= 1
|
|
|
|
options.extend([
|
|
'-attach', info['__infojson_filename'],
|
|
'-metadata:s:%d' % new_stream, 'mimetype=application/json'
|
|
])
|
|
|
|
self.to_screen('Adding metadata to \'%s\'' % filename)
|
|
self.run_ffmpeg_multiple_files(in_filenames, temp_filename, options)
|
|
if chapters:
|
|
os.remove(metadata_filename)
|
|
os.remove(encodeFilename(filename))
|
|
os.rename(encodeFilename(temp_filename), encodeFilename(filename))
|
|
return [], info
|
|
|
|
|
|
class FFmpegMergerPP(FFmpegPostProcessor):
|
|
def run(self, info):
|
|
filename = info['filepath']
|
|
temp_filename = prepend_extension(filename, 'temp')
|
|
args = ['-c', 'copy']
|
|
for (i, fmt) in enumerate(info['requested_formats']):
|
|
if fmt.get('acodec') != 'none':
|
|
args.extend(['-map', '%u:a:0' % (i)])
|
|
if fmt.get('vcodec') != 'none':
|
|
args.extend(['-map', '%u:v:0' % (i)])
|
|
self.to_screen('Merging formats into "%s"' % filename)
|
|
self.run_ffmpeg_multiple_files(info['__files_to_merge'], temp_filename, args)
|
|
os.rename(encodeFilename(temp_filename), encodeFilename(filename))
|
|
return info['__files_to_merge'], info
|
|
|
|
def can_merge(self):
|
|
# TODO: figure out merge-capable ffmpeg version
|
|
if self.basename != 'avconv':
|
|
return True
|
|
|
|
required_version = '10-0'
|
|
if is_outdated_version(
|
|
self._versions[self.basename], required_version):
|
|
warning = ('Your copy of %s is outdated and unable to properly mux separate video and audio files, '
|
|
'yt-dlp will download single file media. '
|
|
'Update %s to version %s or newer to fix this.') % (
|
|
self.basename, self.basename, required_version)
|
|
self.report_warning(warning)
|
|
return False
|
|
return True
|
|
|
|
|
|
class FFmpegFixupStretchedPP(FFmpegPostProcessor):
|
|
def run(self, info):
|
|
stretched_ratio = info.get('stretched_ratio')
|
|
if stretched_ratio is None or stretched_ratio == 1:
|
|
return [], info
|
|
|
|
filename = info['filepath']
|
|
temp_filename = prepend_extension(filename, 'temp')
|
|
|
|
options = ['-c', 'copy', '-map', '0', '-dn', '-aspect', '%f' % stretched_ratio]
|
|
self.to_screen('Fixing aspect ratio in "%s"' % filename)
|
|
self.run_ffmpeg(filename, temp_filename, options)
|
|
|
|
os.remove(encodeFilename(filename))
|
|
os.rename(encodeFilename(temp_filename), encodeFilename(filename))
|
|
|
|
return [], info
|
|
|
|
|
|
class FFmpegFixupM4aPP(FFmpegPostProcessor):
|
|
def run(self, info):
|
|
if info.get('container') != 'm4a_dash':
|
|
return [], info
|
|
|
|
filename = info['filepath']
|
|
temp_filename = prepend_extension(filename, 'temp')
|
|
|
|
options = ['-c', 'copy', '-map', '0', '-dn', '-f', 'mp4']
|
|
self.to_screen('Correcting container in "%s"' % filename)
|
|
self.run_ffmpeg(filename, temp_filename, options)
|
|
|
|
os.remove(encodeFilename(filename))
|
|
os.rename(encodeFilename(temp_filename), encodeFilename(filename))
|
|
|
|
return [], info
|
|
|
|
|
|
class FFmpegFixupM3u8PP(FFmpegPostProcessor):
|
|
def run(self, info):
|
|
filename = info['filepath']
|
|
if self.get_audio_codec(filename) == 'aac':
|
|
temp_filename = prepend_extension(filename, 'temp')
|
|
|
|
options = ['-c', 'copy', '-map', '0', '-dn', '-f', 'mp4', '-bsf:a', 'aac_adtstoasc']
|
|
self.to_screen('Fixing malformed AAC bitstream in "%s"' % filename)
|
|
self.run_ffmpeg(filename, temp_filename, options)
|
|
|
|
os.remove(encodeFilename(filename))
|
|
os.rename(encodeFilename(temp_filename), encodeFilename(filename))
|
|
return [], info
|
|
|
|
|
|
class FFmpegSubtitlesConvertorPP(FFmpegPostProcessor):
|
|
def __init__(self, downloader=None, format=None):
|
|
super(FFmpegSubtitlesConvertorPP, self).__init__(downloader)
|
|
self.format = format
|
|
|
|
def run(self, info):
|
|
subs = info.get('requested_subtitles')
|
|
new_ext = self.format
|
|
new_format = new_ext
|
|
if new_format == 'vtt':
|
|
new_format = 'webvtt'
|
|
if subs is None:
|
|
self.to_screen('There aren\'t any subtitles to convert')
|
|
return [], info
|
|
self.to_screen('Converting subtitles')
|
|
sub_filenames = []
|
|
for lang, sub in subs.items():
|
|
ext = sub['ext']
|
|
if ext == new_ext:
|
|
self.to_screen('Subtitle file for %s is already in the requested format' % new_ext)
|
|
continue
|
|
elif ext == 'json':
|
|
self.to_screen(
|
|
'You have requested to convert json subtitles into another format, '
|
|
'which is currently not possible')
|
|
continue
|
|
old_file = sub['filepath']
|
|
sub_filenames.append(old_file)
|
|
new_file = replace_extension(old_file, new_ext)
|
|
|
|
if ext in ('dfxp', 'ttml', 'tt'):
|
|
self.report_warning(
|
|
'You have requested to convert dfxp (TTML) subtitles into another format, '
|
|
'which results in style information loss')
|
|
|
|
dfxp_file = old_file
|
|
srt_file = replace_extension(old_file, 'srt')
|
|
|
|
with open(dfxp_file, 'rb') as f:
|
|
srt_data = dfxp2srt(f.read())
|
|
|
|
with io.open(srt_file, 'wt', encoding='utf-8') as f:
|
|
f.write(srt_data)
|
|
old_file = srt_file
|
|
|
|
subs[lang] = {
|
|
'ext': 'srt',
|
|
'data': srt_data,
|
|
'filepath': srt_file,
|
|
}
|
|
|
|
if new_ext == 'srt':
|
|
continue
|
|
else:
|
|
sub_filenames.append(srt_file)
|
|
|
|
self.run_ffmpeg(old_file, new_file, ['-f', new_format])
|
|
|
|
with io.open(new_file, 'rt', encoding='utf-8') as f:
|
|
subs[lang] = {
|
|
'ext': new_ext,
|
|
'data': f.read(),
|
|
'filepath': new_file,
|
|
}
|
|
|
|
info['__files_to_move'][new_file] = replace_extension(
|
|
info['__files_to_move'][old_file], new_ext)
|
|
|
|
return sub_filenames, info
|
|
|
|
|
|
class FFmpegSplitChaptersPP(FFmpegPostProcessor):
|
|
|
|
def _prepare_filename(self, number, chapter, info):
|
|
info = info.copy()
|
|
info.update({
|
|
'section_number': number,
|
|
'section_title': chapter.get('title'),
|
|
'section_start': chapter.get('start_time'),
|
|
'section_end': chapter.get('end_time'),
|
|
})
|
|
return self._downloader.prepare_filename(info, 'chapter')
|
|
|
|
def _ffmpeg_args_for_chapter(self, number, chapter, info):
|
|
destination = self._prepare_filename(number, chapter, info)
|
|
if not self._downloader._ensure_dir_exists(encodeFilename(destination)):
|
|
return
|
|
|
|
chapter['filepath'] = destination
|
|
self.to_screen('Chapter %03d; Destination: %s' % (number, destination))
|
|
return (
|
|
destination,
|
|
['-ss', compat_str(chapter['start_time']),
|
|
'-t', compat_str(chapter['end_time'] - chapter['start_time'])])
|
|
|
|
def run(self, info):
|
|
chapters = info.get('chapters') or []
|
|
if not chapters:
|
|
self.report_warning('Chapter information is unavailable')
|
|
return [], info
|
|
|
|
self.to_screen('Splitting video by chapters; %d chapters found' % len(chapters))
|
|
for idx, chapter in enumerate(chapters):
|
|
destination, opts = self._ffmpeg_args_for_chapter(idx + 1, chapter, info)
|
|
self.real_run_ffmpeg([(info['filepath'], opts)], [(destination, ['-c', 'copy'])])
|
|
return [], info
|
|
|
|
|
|
class FFmpegThumbnailsConvertorPP(FFmpegPostProcessor):
|
|
def __init__(self, downloader=None, format=None):
|
|
super(FFmpegThumbnailsConvertorPP, self).__init__(downloader)
|
|
self.format = format
|
|
|
|
@staticmethod
|
|
def is_webp(path):
|
|
with open(encodeFilename(path), 'rb') as f:
|
|
b = f.read(12)
|
|
return b[0:4] == b'RIFF' and b[8:] == b'WEBP'
|
|
|
|
def fixup_webp(self, info, idx=-1):
|
|
thumbnail_filename = info['thumbnails'][idx]['filepath']
|
|
_, thumbnail_ext = os.path.splitext(thumbnail_filename)
|
|
if thumbnail_ext:
|
|
thumbnail_ext = thumbnail_ext[1:].lower()
|
|
if thumbnail_ext != 'webp' and self.is_webp(thumbnail_filename):
|
|
self.to_screen('Correcting thumbnail "%s" extension to webp' % thumbnail_filename)
|
|
webp_filename = replace_extension(thumbnail_filename, 'webp')
|
|
if os.path.exists(webp_filename):
|
|
os.remove(webp_filename)
|
|
os.rename(encodeFilename(thumbnail_filename), encodeFilename(webp_filename))
|
|
info['thumbnails'][idx]['filepath'] = webp_filename
|
|
info['__files_to_move'][webp_filename] = replace_extension(
|
|
info['__files_to_move'].pop(thumbnail_filename), 'webp')
|
|
|
|
def convert_thumbnail(self, thumbnail_filename, ext):
|
|
if ext != 'jpg':
|
|
raise FFmpegPostProcessorError('Only conversion to jpg is currently supported')
|
|
# NB: % is supposed to be escaped with %% but this does not work
|
|
# for input files so working around with standard substitution
|
|
escaped_thumbnail_filename = thumbnail_filename.replace('%', '#')
|
|
os.rename(encodeFilename(thumbnail_filename), encodeFilename(escaped_thumbnail_filename))
|
|
escaped_thumbnail_jpg_filename = replace_extension(escaped_thumbnail_filename, 'jpg')
|
|
self.to_screen('Converting thumbnail "%s" to JPEG' % escaped_thumbnail_filename)
|
|
self.run_ffmpeg(escaped_thumbnail_filename, escaped_thumbnail_jpg_filename, ['-bsf:v', 'mjpeg2jpeg'])
|
|
thumbnail_jpg_filename = replace_extension(thumbnail_filename, 'jpg')
|
|
# Rename back to unescaped
|
|
os.rename(encodeFilename(escaped_thumbnail_filename), encodeFilename(thumbnail_filename))
|
|
os.rename(encodeFilename(escaped_thumbnail_jpg_filename), encodeFilename(thumbnail_jpg_filename))
|
|
return thumbnail_jpg_filename
|
|
|
|
def run(self, info):
|
|
if self.format != 'jpg':
|
|
raise FFmpegPostProcessorError('Only conversion to jpg is currently supported')
|
|
files_to_delete = []
|
|
has_thumbnail = False
|
|
|
|
for idx, thumbnail_dict in enumerate(info['thumbnails']):
|
|
if 'filepath' not in thumbnail_dict:
|
|
continue
|
|
has_thumbnail = True
|
|
self.fixup_webp(info, idx)
|
|
original_thumbnail = thumbnail_dict['filepath']
|
|
_, thumbnail_ext = os.path.splitext(original_thumbnail)
|
|
if thumbnail_ext:
|
|
thumbnail_ext = thumbnail_ext[1:].lower()
|
|
if thumbnail_ext == self.format:
|
|
self.to_screen('Thumbnail "%s" is already in the requested format' % original_thumbnail)
|
|
continue
|
|
thumbnail_dict['filepath'] = self.convert_thumbnail(original_thumbnail, self.format)
|
|
files_to_delete.append(original_thumbnail)
|
|
info['__files_to_move'][thumbnail_dict['filepath']] = replace_extension(
|
|
info['__files_to_move'][original_thumbnail], self.format)
|
|
|
|
if not has_thumbnail:
|
|
self.to_screen('There aren\'t any thumbnails to convert')
|
|
return files_to_delete, info
|