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Add concat-playlist option

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This commit is contained in:
Adam Malcontenti-Wilson 2021-02-13 20:09:31 +11:00
parent f28f1b4d6e
commit dc179db221
6 changed files with 64 additions and 14 deletions
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16
youtube_dl/YoutubeDL.py
View File

@ -104,6 +104,7 @@ from .postprocessor import (
FFmpegFixupM4aPP,
FFmpegFixupStretchedPP,
FFmpegMergerPP,
FFmpegConcatPP,
FFmpegPostProcessor,
get_postprocessor,
)
@ -1058,6 +1059,20 @@ class YoutubeDL(object):
entry_result = self.__process_iterable_entry(entry, download, extra)
# TODO: skip failed (empty) entries?
playlist_results.append(entry_result)
if self.params.get('concat_playlist', False):
concat_pp = FFmpegConcatPP(self)
ie_result['__postprocessors'] = [concat_pp]
ie_result['__files_to_concat'] = list(map(lambda e: e['_filename'], entries))
filename_wo_ext = self.prepare_filename(ie_result)
# Ensure filename always has a correct extension for successful merge
ie_result['ext'] = self.params.get('merge_output_format') or entries[0]['ext']
ie_result['_filename'] = filename = '%s.%s' % (filename_wo_ext, ie_result['ext'])
self.post_process(filename, ie_result)
ie_result['entries'] = playlist_results
self.to_screen('[download] Finished downloading playlist: %s' % playlist)
return ie_result
@ -1677,6 +1692,7 @@ class YoutubeDL(object):
new_info = dict(info_dict)
new_info.update(format)
self.process_info(new_info)
format.update(new_info)
# We update the info dict with the best quality format (backwards compatibility)
info_dict.update(formats_to_download[-1])
return info_dict

1
youtube_dl/__init__.py
View File

@ -409,6 +409,7 @@ def _real_main(argv=None):
'youtube_include_dash_manifest': opts.youtube_include_dash_manifest,
'encoding': opts.encoding,
'extract_flat': opts.extract_flat,
'concat_playlist': opts.concat_playlist,
'mark_watched': opts.mark_watched,
'merge_output_format': opts.merge_output_format,
'postprocessors': postprocessors,

5
youtube_dl/options.py
View File

@ -185,6 +185,11 @@ def parseOpts(overrideArguments=None):
action='store_const', dest='extract_flat', const='in_playlist',
default=False,
help='Do not extract the videos of a playlist, only list them.')
general.add_option(
'--concat-playlist',
action='store_true', dest='concat_playlist', default=False,
help='Concatenate all videos in a playlist into a single video file. Useful for services which split up full '
'episodes into multiple segments.')
general.add_option(
'--mark-watched',
action='store_true', dest='mark_watched', default=False,

2
youtube_dl/postprocessor/__init__.py
View File

@ -9,6 +9,7 @@ from .ffmpeg import (
FFmpegFixupM3u8PP,
FFmpegFixupM4aPP,
FFmpegMergerPP,
FFmpegConcatPP,
FFmpegMetadataPP,
FFmpegVideoConvertorPP,
FFmpegSubtitlesConvertorPP,
@ -31,6 +32,7 @@ __all__ = [
'FFmpegFixupM4aPP',
'FFmpegFixupStretchedPP',
'FFmpegMergerPP',
'FFmpegConcatPP',
'FFmpegMetadataPP',
'FFmpegPostProcessor',
'FFmpegSubtitlesConvertorPP',

2
youtube_dl/postprocessor/embedthumbnail.py
View File

@ -81,7 +81,7 @@ class EmbedThumbnailPP(FFmpegPostProcessor):
self._downloader.to_screen('[ffmpeg] Adding thumbnail to "%s"' % filename)
self.run_ffmpeg_multiple_files([filename, thumbnail_filename], temp_filename, options)
self.run_ffmpeg_multiple_files([filename, thumbnail_filename], temp_filename, options, [])
if not self._already_have_thumbnail:
os.remove(encodeFilename(thumbnail_filename))

52
youtube_dl/postprocessor/ffmpeg.py
View File

@ -6,7 +6,6 @@ import subprocess
import time
import re
from .common import AudioConversionError, PostProcessor
from ..utils import (
@ -23,7 +22,6 @@ from ..utils import (
replace_extension,
)
EXT_TO_OUT_FORMATS = {
'aac': 'adts',
'flac': 'flac',
@ -203,7 +201,7 @@ class FFmpegPostProcessor(PostProcessor):
return mobj.group(1)
return None
def run_ffmpeg_multiple_files(self, input_paths, out_path, opts):
def run_ffmpeg_multiple_files(self, input_paths, out_path, opts, file_opts):
self.check_version()
oldest_mtime = min(
@ -214,6 +212,7 @@ class FFmpegPostProcessor(PostProcessor):
files_cmd = []
for path in input_paths:
files_cmd.extend([
*file_opts,
encodeArgument('-i'),
encodeFilename(self._ffmpeg_filename_argument(path), True)
])
@ -235,8 +234,8 @@ class FFmpegPostProcessor(PostProcessor):
raise FFmpegPostProcessorError(msg)
self.try_utime(out_path, oldest_mtime, oldest_mtime)
def run_ffmpeg(self, path, out_path, opts):
self.run_ffmpeg_multiple_files([path], out_path, opts)
def run_ffmpeg(self, path, out_path, opts, file_opts):
self.run_ffmpeg_multiple_files([path], out_path, opts, file_opts)
def _ffmpeg_filename_argument(self, fn):
# Always use 'file:' because the filename may contain ':' (ffmpeg
@ -274,7 +273,8 @@ class FFmpegExtractAudioPP(FFmpegPostProcessor):
raise PostProcessingError('WARNING: unable to obtain file audio codec with ffprobe')
more_opts = []
if self._preferredcodec == 'best' or self._preferredcodec == filecodec or (self._preferredcodec == 'm4a' and filecodec == 'aac'):
if self._preferredcodec == 'best' or self._preferredcodec == filecodec or (
self._preferredcodec == 'm4a' and filecodec == 'aac'):
if filecodec == 'aac' and self._preferredcodec in ['m4a', 'best']:
# Lossless, but in another container
acodec = 'copy'
@ -319,7 +319,8 @@ class FFmpegExtractAudioPP(FFmpegPostProcessor):
extension = 'wav'
more_opts += ['-f', 'wav']
prefix, sep, ext = path.rpartition('.') # 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
information['filepath'] = new_path
@ -357,14 +358,16 @@ class FFmpegVideoConvertorPP(FFmpegPostProcessor):
def run(self, information):
path = information['filepath']
if information['ext'] == self._preferedformat:
self._downloader.to_screen('[ffmpeg] Not converting video file %s - already is in target format %s' % (path, self._preferedformat))
self._downloader.to_screen(
'[ffmpeg] Not converting video file %s - already is in target format %s' % (path, self._preferedformat))
return [], information
options = []
if self._preferedformat == 'avi':
options.extend(['-c:v', 'libxvid', '-vtag', 'XVID'])
prefix, sep, ext = path.rpartition('.')
outpath = prefix + sep + self._preferedformat
self._downloader.to_screen('[' + 'ffmpeg' + '] Converting video from %s to %s, Destination: ' % (information['ext'], self._preferedformat) + outpath)
self._downloader.to_screen('[' + 'ffmpeg' + '] Converting video from %s to %s, Destination: ' % (
information['ext'], self._preferedformat) + outpath)
self.run_ffmpeg(path, outpath, options)
information['filepath'] = outpath
information['format'] = self._preferedformat
@ -423,7 +426,7 @@ class FFmpegEmbedSubtitlePP(FFmpegPostProcessor):
temp_filename = prepend_extension(filename, 'temp')
self._downloader.to_screen('[ffmpeg] Embedding subtitles in \'%s\'' % filename)
self.run_ffmpeg_multiple_files(input_files, temp_filename, opts)
self.run_ffmpeg_multiple_files(input_files, temp_filename, opts, [])
os.remove(encodeFilename(filename))
os.rename(encodeFilename(temp_filename), encodeFilename(filename))
@ -506,7 +509,7 @@ class FFmpegMetadataPP(FFmpegPostProcessor):
options.extend(['-map_metadata', '1'])
self._downloader.to_screen('[ffmpeg] Adding metadata to \'%s\'' % filename)
self.run_ffmpeg_multiple_files(in_filenames, temp_filename, options)
self.run_ffmpeg_multiple_files(in_filenames, temp_filename, options, [])
if chapters:
os.remove(metadata_filename)
os.remove(encodeFilename(filename))
@ -520,7 +523,7 @@ class FFmpegMergerPP(FFmpegPostProcessor):
temp_filename = prepend_extension(filename, 'temp')
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'], temp_filename, args)
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
@ -542,6 +545,29 @@ class FFmpegMergerPP(FFmpegPostProcessor):
return True
class FFmpegConcatPP(FFmpegPostProcessor):
def run(self, info):
filename = info['filepath']
list_filename = prepend_extension(filename, 'list')
temp_filename = prepend_extension(filename, 'temp')
with open(list_filename, 'wt') as f:
f.write('ffconcat version 1.0\n')
for file in info['__files_to_concat']:
f.write("file '%s'\n" % self._ffmpeg_filename_argument(file))
file_opts = ['-f', 'concat', '-safe', '0']
opts = ['-c', 'copy']
self._downloader.to_screen('[ffmpeg] Concatenating files into "%s"' % filename)
self.run_ffmpeg(list_filename, temp_filename, opts, file_opts)
os.rename(encodeFilename(temp_filename), encodeFilename(filename))
return info['__files_to_concat'], info
def can_merge(self):
return True
class FFmpegFixupStretchedPP(FFmpegPostProcessor):
def run(self, info):
stretched_ratio = info.get('stretched_ratio')
@ -587,7 +613,7 @@ class FFmpegFixupM3u8PP(FFmpegPostProcessor):
options = ['-c', 'copy', '-f', 'mp4', '-bsf:a', 'aac_adtstoasc']
self._downloader.to_screen('[ffmpeg] Fixing malformed AAC bitstream in "%s"' % filename)
self.run_ffmpeg(filename, temp_filename, options)
self.run_ffmpeg(filename, temp_filename, options, [])
os.remove(encodeFilename(filename))
os.rename(encodeFilename(temp_filename), encodeFilename(filename))