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1 | from __future__ import unicode_literals | |
2 | ||
3 | import collections | |
4 | import io | |
5 | import itertools | |
6 | import os | |
7 | import subprocess | |
8 | import time | |
9 | import re | |
10 | import json | |
11 | ||
12 | from .common import AudioConversionError, PostProcessor | |
13 | ||
14 | from ..compat import compat_str | |
15 | from ..utils import ( | |
16 | determine_ext, | |
17 | dfxp2srt, | |
18 | encodeArgument, | |
19 | encodeFilename, | |
20 | float_or_none, | |
21 | _get_exe_version_output, | |
22 | detect_exe_version, | |
23 | is_outdated_version, | |
24 | ISO639Utils, | |
25 | orderedSet, | |
26 | Popen, | |
27 | PostProcessingError, | |
28 | prepend_extension, | |
29 | replace_extension, | |
30 | shell_quote, | |
31 | traverse_obj, | |
32 | variadic, | |
33 | write_json_file, | |
34 | ) | |
35 | ||
36 | ||
37 | EXT_TO_OUT_FORMATS = { | |
38 | 'aac': 'adts', | |
39 | 'flac': 'flac', | |
40 | 'm4a': 'ipod', | |
41 | 'mka': 'matroska', | |
42 | 'mkv': 'matroska', | |
43 | 'mpg': 'mpeg', | |
44 | 'ogv': 'ogg', | |
45 | 'ts': 'mpegts', | |
46 | 'wma': 'asf', | |
47 | 'wmv': 'asf', | |
48 | 'vtt': 'webvtt', | |
49 | } | |
50 | ACODECS = { | |
51 | 'mp3': 'libmp3lame', | |
52 | 'aac': 'aac', | |
53 | 'flac': 'flac', | |
54 | 'm4a': 'aac', | |
55 | 'opus': 'libopus', | |
56 | 'vorbis': 'libvorbis', | |
57 | 'wav': None, | |
58 | 'alac': None, | |
59 | } | |
60 | ||
61 | ||
62 | class FFmpegPostProcessorError(PostProcessingError): | |
63 | pass | |
64 | ||
65 | ||
66 | class FFmpegPostProcessor(PostProcessor): | |
67 | def __init__(self, downloader=None): | |
68 | PostProcessor.__init__(self, downloader) | |
69 | self._determine_executables() | |
70 | ||
71 | def check_version(self): | |
72 | if not self.available: | |
73 | raise FFmpegPostProcessorError('ffmpeg not found. Please install or provide the path using --ffmpeg-location') | |
74 | ||
75 | required_version = '10-0' if self.basename == 'avconv' else '1.0' | |
76 | if is_outdated_version( | |
77 | self._versions[self.basename], required_version): | |
78 | warning = 'Your copy of %s is outdated, update %s to version %s or newer if you encounter any errors.' % ( | |
79 | self.basename, self.basename, required_version) | |
80 | self.report_warning(warning) | |
81 | ||
82 | @staticmethod | |
83 | def get_versions_and_features(downloader=None): | |
84 | pp = FFmpegPostProcessor(downloader) | |
85 | return pp._versions, pp._features | |
86 | ||
87 | @staticmethod | |
88 | def get_versions(downloader=None): | |
89 | return FFmpegPostProcessor.get_version_and_features(downloader)[0] | |
90 | ||
91 | def _determine_executables(self): | |
92 | programs = ['avprobe', 'avconv', 'ffmpeg', 'ffprobe'] | |
93 | ||
94 | def get_ffmpeg_version(path, prog): | |
95 | out = _get_exe_version_output(path, ['-bsfs']) | |
96 | ver = detect_exe_version(out) if out else False | |
97 | if ver: | |
98 | regexs = [ | |
99 | r'(?:\d+:)?([0-9.]+)-[0-9]+ubuntu[0-9.]+$', # Ubuntu, see [1] | |
100 | r'n([0-9.]+)$', # Arch Linux | |
101 | # 1. http://www.ducea.com/2006/06/17/ubuntu-package-version-naming-explanation/ | |
102 | ] | |
103 | for regex in regexs: | |
104 | mobj = re.match(regex, ver) | |
105 | if mobj: | |
106 | ver = mobj.group(1) | |
107 | self._versions[prog] = ver | |
108 | if prog != 'ffmpeg' or not out: | |
109 | return | |
110 | ||
111 | mobj = re.search(r'(?m)^\s+libavformat\s+(?:[0-9. ]+)\s+/\s+(?P<runtime>[0-9. ]+)', out) | |
112 | lavf_runtime_version = mobj.group('runtime').replace(' ', '') if mobj else None | |
113 | self._features = { | |
114 | 'fdk': '--enable-libfdk-aac' in out, | |
115 | 'setts': 'setts' in out.splitlines(), | |
116 | 'needs_adtstoasc': is_outdated_version(lavf_runtime_version, '57.56.100', False), | |
117 | } | |
118 | ||
119 | self.basename = None | |
120 | self.probe_basename = None | |
121 | self._paths = None | |
122 | self._versions = None | |
123 | self._features = {} | |
124 | ||
125 | prefer_ffmpeg = self.get_param('prefer_ffmpeg', True) | |
126 | location = self.get_param('ffmpeg_location') | |
127 | if location is None: | |
128 | self._paths = {p: p for p in programs} | |
129 | else: | |
130 | if not os.path.exists(location): | |
131 | self.report_warning( | |
132 | 'ffmpeg-location %s does not exist! ' | |
133 | 'Continuing without ffmpeg.' % (location)) | |
134 | self._versions = {} | |
135 | return | |
136 | elif os.path.isdir(location): | |
137 | dirname, basename = location, None | |
138 | else: | |
139 | basename = os.path.splitext(os.path.basename(location))[0] | |
140 | basename = next((p for p in programs if basename.startswith(p)), 'ffmpeg') | |
141 | dirname = os.path.dirname(os.path.abspath(location)) | |
142 | if basename in ('ffmpeg', 'ffprobe'): | |
143 | prefer_ffmpeg = True | |
144 | ||
145 | self._paths = dict( | |
146 | (p, os.path.join(dirname, p)) for p in programs) | |
147 | if basename: | |
148 | self._paths[basename] = location | |
149 | ||
150 | self._versions = {} | |
151 | for p in programs: | |
152 | get_ffmpeg_version(self._paths[p], p) | |
153 | ||
154 | if prefer_ffmpeg is False: | |
155 | prefs = ('avconv', 'ffmpeg') | |
156 | else: | |
157 | prefs = ('ffmpeg', 'avconv') | |
158 | for p in prefs: | |
159 | if self._versions[p]: | |
160 | self.basename = p | |
161 | break | |
162 | ||
163 | if prefer_ffmpeg is False: | |
164 | prefs = ('avprobe', 'ffprobe') | |
165 | else: | |
166 | prefs = ('ffprobe', 'avprobe') | |
167 | for p in prefs: | |
168 | if self._versions[p]: | |
169 | self.probe_basename = p | |
170 | break | |
171 | ||
172 | if self.basename == 'avconv': | |
173 | self.deprecation_warning( | |
174 | 'Support for avconv is deprecated and may be removed in a future version. Use ffmpeg instead') | |
175 | if self.probe_basename == 'avprobe': | |
176 | self.deprecation_warning( | |
177 | 'Support for avprobe is deprecated and may be removed in a future version. Use ffprobe instead') | |
178 | ||
179 | @property | |
180 | def available(self): | |
181 | return self.basename is not None | |
182 | ||
183 | @property | |
184 | def executable(self): | |
185 | return self._paths[self.basename] | |
186 | ||
187 | @property | |
188 | def probe_available(self): | |
189 | return self.probe_basename is not None | |
190 | ||
191 | @property | |
192 | def probe_executable(self): | |
193 | return self._paths[self.probe_basename] | |
194 | ||
195 | @staticmethod | |
196 | def stream_copy_opts(copy=True, *, ext=None): | |
197 | yield from ('-map', '0') | |
198 | # Don't copy Apple TV chapters track, bin_data | |
199 | # See https://github.com/yt-dlp/yt-dlp/issues/2, #19042, #19024, https://trac.ffmpeg.org/ticket/6016 | |
200 | yield '-dn' | |
201 | if copy: | |
202 | yield from ('-c', 'copy') | |
203 | # For some reason, '-c copy -map 0' is not enough to copy subtitles | |
204 | if ext in ('mp4', 'mov'): | |
205 | yield from ('-c:s', 'mov_text') | |
206 | ||
207 | def get_audio_codec(self, path): | |
208 | if not self.probe_available and not self.available: | |
209 | raise PostProcessingError('ffprobe and ffmpeg not found. Please install or provide the path using --ffmpeg-location') | |
210 | try: | |
211 | if self.probe_available: | |
212 | cmd = [ | |
213 | encodeFilename(self.probe_executable, True), | |
214 | encodeArgument('-show_streams')] | |
215 | else: | |
216 | cmd = [ | |
217 | encodeFilename(self.executable, True), | |
218 | encodeArgument('-i')] | |
219 | cmd.append(encodeFilename(self._ffmpeg_filename_argument(path), True)) | |
220 | self.write_debug('%s command line: %s' % (self.basename, shell_quote(cmd))) | |
221 | handle = Popen(cmd, stdin=subprocess.PIPE, stdout=subprocess.PIPE, stderr=subprocess.PIPE) | |
222 | stdout_data, stderr_data = handle.communicate_or_kill() | |
223 | expected_ret = 0 if self.probe_available else 1 | |
224 | if handle.wait() != expected_ret: | |
225 | return None | |
226 | except (IOError, OSError): | |
227 | return None | |
228 | output = (stdout_data if self.probe_available else stderr_data).decode('ascii', 'ignore') | |
229 | if self.probe_available: | |
230 | audio_codec = None | |
231 | for line in output.split('\n'): | |
232 | if line.startswith('codec_name='): | |
233 | audio_codec = line.split('=')[1].strip() | |
234 | elif line.strip() == 'codec_type=audio' and audio_codec is not None: | |
235 | return audio_codec | |
236 | else: | |
237 | # Stream #FILE_INDEX:STREAM_INDEX[STREAM_ID](LANGUAGE): CODEC_TYPE: CODEC_NAME | |
238 | mobj = re.search( | |
239 | r'Stream\s*#\d+:\d+(?:\[0x[0-9a-f]+\])?(?:\([a-z]{3}\))?:\s*Audio:\s*([0-9a-z]+)', | |
240 | output) | |
241 | if mobj: | |
242 | return mobj.group(1) | |
243 | return None | |
244 | ||
245 | def get_metadata_object(self, path, opts=[]): | |
246 | if self.probe_basename != 'ffprobe': | |
247 | if self.probe_available: | |
248 | self.report_warning('Only ffprobe is supported for metadata extraction') | |
249 | raise PostProcessingError('ffprobe not found. Please install or provide the path using --ffmpeg-location') | |
250 | self.check_version() | |
251 | ||
252 | cmd = [ | |
253 | encodeFilename(self.probe_executable, True), | |
254 | encodeArgument('-hide_banner'), | |
255 | encodeArgument('-show_format'), | |
256 | encodeArgument('-show_streams'), | |
257 | encodeArgument('-print_format'), | |
258 | encodeArgument('json'), | |
259 | ] | |
260 | ||
261 | cmd += opts | |
262 | cmd.append(encodeFilename(self._ffmpeg_filename_argument(path), True)) | |
263 | self.write_debug('ffprobe command line: %s' % shell_quote(cmd)) | |
264 | p = Popen(cmd, stdout=subprocess.PIPE, stderr=subprocess.PIPE, stdin=subprocess.PIPE) | |
265 | stdout, stderr = p.communicate() | |
266 | return json.loads(stdout.decode('utf-8', 'replace')) | |
267 | ||
268 | def get_stream_number(self, path, keys, value): | |
269 | streams = self.get_metadata_object(path)['streams'] | |
270 | num = next( | |
271 | (i for i, stream in enumerate(streams) if traverse_obj(stream, keys, casesense=False) == value), | |
272 | None) | |
273 | return num, len(streams) | |
274 | ||
275 | def _get_real_video_duration(self, filepath, fatal=True): | |
276 | try: | |
277 | duration = float_or_none( | |
278 | traverse_obj(self.get_metadata_object(filepath), ('format', 'duration'))) | |
279 | if not duration: | |
280 | raise PostProcessingError('ffprobe returned empty duration') | |
281 | return duration | |
282 | except PostProcessingError as e: | |
283 | if fatal: | |
284 | raise PostProcessingError(f'Unable to determine video duration: {e.msg}') | |
285 | ||
286 | def _duration_mismatch(self, d1, d2): | |
287 | if not d1 or not d2: | |
288 | return None | |
289 | # The duration is often only known to nearest second. So there can be <1sec disparity natually. | |
290 | # Further excuse an additional <1sec difference. | |
291 | return abs(d1 - d2) > 2 | |
292 | ||
293 | def run_ffmpeg_multiple_files(self, input_paths, out_path, opts, **kwargs): | |
294 | return self.real_run_ffmpeg( | |
295 | [(path, []) for path in input_paths], | |
296 | [(out_path, opts)], **kwargs) | |
297 | ||
298 | def real_run_ffmpeg(self, input_path_opts, output_path_opts, *, expected_retcodes=(0,)): | |
299 | self.check_version() | |
300 | ||
301 | oldest_mtime = min( | |
302 | os.stat(encodeFilename(path)).st_mtime for path, _ in input_path_opts if path) | |
303 | ||
304 | cmd = [encodeFilename(self.executable, True), encodeArgument('-y')] | |
305 | # avconv does not have repeat option | |
306 | if self.basename == 'ffmpeg': | |
307 | cmd += [encodeArgument('-loglevel'), encodeArgument('repeat+info')] | |
308 | ||
309 | def make_args(file, args, name, number): | |
310 | keys = ['_%s%d' % (name, number), '_%s' % name] | |
311 | if name == 'o': | |
312 | args += ['-movflags', '+faststart'] | |
313 | if number == 1: | |
314 | keys.append('') | |
315 | args += self._configuration_args(self.basename, keys) | |
316 | if name == 'i': | |
317 | args.append('-i') | |
318 | return ( | |
319 | [encodeArgument(arg) for arg in args] | |
320 | + [encodeFilename(self._ffmpeg_filename_argument(file), True)]) | |
321 | ||
322 | for arg_type, path_opts in (('i', input_path_opts), ('o', output_path_opts)): | |
323 | cmd += itertools.chain.from_iterable( | |
324 | make_args(path, list(opts), arg_type, i + 1) | |
325 | for i, (path, opts) in enumerate(path_opts) if path) | |
326 | ||
327 | self.write_debug('ffmpeg command line: %s' % shell_quote(cmd)) | |
328 | p = Popen(cmd, stdout=subprocess.PIPE, stderr=subprocess.PIPE, stdin=subprocess.PIPE) | |
329 | stdout, stderr = p.communicate_or_kill() | |
330 | if p.returncode not in variadic(expected_retcodes): | |
331 | stderr = stderr.decode('utf-8', 'replace').strip() | |
332 | self.write_debug(stderr) | |
333 | raise FFmpegPostProcessorError(stderr.split('\n')[-1]) | |
334 | for out_path, _ in output_path_opts: | |
335 | if out_path: | |
336 | self.try_utime(out_path, oldest_mtime, oldest_mtime) | |
337 | return stderr.decode('utf-8', 'replace') | |
338 | ||
339 | def run_ffmpeg(self, path, out_path, opts, **kwargs): | |
340 | return self.run_ffmpeg_multiple_files([path], out_path, opts, **kwargs) | |
341 | ||
342 | @staticmethod | |
343 | def _ffmpeg_filename_argument(fn): | |
344 | # Always use 'file:' because the filename may contain ':' (ffmpeg | |
345 | # interprets that as a protocol) or can start with '-' (-- is broken in | |
346 | # ffmpeg, see https://ffmpeg.org/trac/ffmpeg/ticket/2127 for details) | |
347 | # Also leave '-' intact in order not to break streaming to stdout. | |
348 | if fn.startswith(('http://', 'https://')): | |
349 | return fn | |
350 | return 'file:' + fn if fn != '-' else fn | |
351 | ||
352 | @staticmethod | |
353 | def _quote_for_ffmpeg(string): | |
354 | # See https://ffmpeg.org/ffmpeg-utils.html#toc-Quoting-and-escaping | |
355 | # A sequence of '' produces '\'''\''; | |
356 | # final replace removes the empty '' between \' \'. | |
357 | string = string.replace("'", r"'\''").replace("'''", "'") | |
358 | # Handle potential ' at string boundaries. | |
359 | string = string[1:] if string[0] == "'" else "'" + string | |
360 | return string[:-1] if string[-1] == "'" else string + "'" | |
361 | ||
362 | def force_keyframes(self, filename, timestamps): | |
363 | timestamps = orderedSet(timestamps) | |
364 | if timestamps[0] == 0: | |
365 | timestamps = timestamps[1:] | |
366 | keyframe_file = prepend_extension(filename, 'keyframes.temp') | |
367 | self.to_screen(f'Re-encoding "{filename}" with appropriate keyframes') | |
368 | self.run_ffmpeg(filename, keyframe_file, [ | |
369 | *self.stream_copy_opts(False, ext=determine_ext(filename)), | |
370 | '-force_key_frames', ','.join(f'{t:.6f}' for t in timestamps)]) | |
371 | return keyframe_file | |
372 | ||
373 | def concat_files(self, in_files, out_file, concat_opts=None): | |
374 | """ | |
375 | Use concat demuxer to concatenate multiple files having identical streams. | |
376 | ||
377 | Only inpoint, outpoint, and duration concat options are supported. | |
378 | See https://ffmpeg.org/ffmpeg-formats.html#concat-1 for details | |
379 | """ | |
380 | concat_file = f'{out_file}.concat' | |
381 | self.write_debug(f'Writing concat spec to {concat_file}') | |
382 | with open(concat_file, 'wt', encoding='utf-8') as f: | |
383 | f.writelines(self._concat_spec(in_files, concat_opts)) | |
384 | ||
385 | out_flags = list(self.stream_copy_opts(ext=determine_ext(out_file))) | |
386 | ||
387 | try: | |
388 | self.real_run_ffmpeg( | |
389 | [(concat_file, ['-hide_banner', '-nostdin', '-f', 'concat', '-safe', '0'])], | |
390 | [(out_file, out_flags)]) | |
391 | finally: | |
392 | os.remove(concat_file) | |
393 | ||
394 | @classmethod | |
395 | def _concat_spec(cls, in_files, concat_opts=None): | |
396 | if concat_opts is None: | |
397 | concat_opts = [{}] * len(in_files) | |
398 | yield 'ffconcat version 1.0\n' | |
399 | for file, opts in zip(in_files, concat_opts): | |
400 | yield f'file {cls._quote_for_ffmpeg(cls._ffmpeg_filename_argument(file))}\n' | |
401 | # Iterate explicitly to yield the following directives in order, ignoring the rest. | |
402 | for directive in 'inpoint', 'outpoint', 'duration': | |
403 | if directive in opts: | |
404 | yield f'{directive} {opts[directive]}\n' | |
405 | ||
406 | ||
407 | class FFmpegExtractAudioPP(FFmpegPostProcessor): | |
408 | COMMON_AUDIO_EXTS = ('wav', 'flac', 'm4a', 'aiff', 'mp3', 'ogg', 'mka', 'opus', 'wma') | |
409 | SUPPORTED_EXTS = ('best', 'aac', 'flac', 'mp3', 'm4a', 'opus', 'vorbis', 'wav', 'alac') | |
410 | ||
411 | def __init__(self, downloader=None, preferredcodec=None, preferredquality=None, nopostoverwrites=False): | |
412 | FFmpegPostProcessor.__init__(self, downloader) | |
413 | self._preferredcodec = preferredcodec or 'best' | |
414 | self._preferredquality = float_or_none(preferredquality) | |
415 | self._nopostoverwrites = nopostoverwrites | |
416 | ||
417 | def _quality_args(self, codec): | |
418 | if self._preferredquality is None: | |
419 | return [] | |
420 | elif self._preferredquality > 10: | |
421 | return ['-b:a', f'{self._preferredquality}k'] | |
422 | ||
423 | limits = { | |
424 | 'libmp3lame': (10, 0), | |
425 | 'libvorbis': (0, 10), | |
426 | # FFmpeg's AAC encoder does not have an upper limit for the value of -q:a. | |
427 | # Experimentally, with values over 4, bitrate changes were minimal or non-existent | |
428 | 'aac': (0.1, 4), | |
429 | 'libfdk_aac': (1, 5), | |
430 | }.get(codec) | |
431 | if not limits: | |
432 | return [] | |
433 | ||
434 | q = limits[1] + (limits[0] - limits[1]) * (self._preferredquality / 10) | |
435 | if codec == 'libfdk_aac': | |
436 | return ['-vbr', f'{int(q)}'] | |
437 | return ['-q:a', f'{q}'] | |
438 | ||
439 | def run_ffmpeg(self, path, out_path, codec, more_opts): | |
440 | if codec is None: | |
441 | acodec_opts = [] | |
442 | else: | |
443 | acodec_opts = ['-acodec', codec] | |
444 | opts = ['-vn'] + acodec_opts + more_opts | |
445 | try: | |
446 | FFmpegPostProcessor.run_ffmpeg(self, path, out_path, opts) | |
447 | except FFmpegPostProcessorError as err: | |
448 | raise AudioConversionError(err.msg) | |
449 | ||
450 | @PostProcessor._restrict_to(images=False) | |
451 | def run(self, information): | |
452 | orig_path = path = information['filepath'] | |
453 | orig_ext = information['ext'] | |
454 | ||
455 | if self._preferredcodec == 'best' and orig_ext in self.COMMON_AUDIO_EXTS: | |
456 | self.to_screen('Skipping audio extraction since the file is already in a common audio format') | |
457 | return [], information | |
458 | ||
459 | filecodec = self.get_audio_codec(path) | |
460 | if filecodec is None: | |
461 | raise PostProcessingError('WARNING: unable to obtain file audio codec with ffprobe') | |
462 | ||
463 | more_opts = [] | |
464 | if self._preferredcodec == 'best' or self._preferredcodec == filecodec or (self._preferredcodec == 'm4a' and filecodec == 'aac'): | |
465 | if filecodec == 'aac' and self._preferredcodec in ['m4a', 'best']: | |
466 | # Lossless, but in another container | |
467 | acodec = 'copy' | |
468 | extension = 'm4a' | |
469 | more_opts = ['-bsf:a', 'aac_adtstoasc'] | |
470 | elif filecodec in ['aac', 'flac', 'mp3', 'vorbis', 'opus']: | |
471 | # Lossless if possible | |
472 | acodec = 'copy' | |
473 | extension = filecodec | |
474 | if filecodec == 'aac': | |
475 | more_opts = ['-f', 'adts'] | |
476 | if filecodec == 'vorbis': | |
477 | extension = 'ogg' | |
478 | elif filecodec == 'alac': | |
479 | acodec = None | |
480 | extension = 'm4a' | |
481 | more_opts += ['-acodec', 'alac'] | |
482 | else: | |
483 | # MP3 otherwise. | |
484 | acodec = 'libmp3lame' | |
485 | extension = 'mp3' | |
486 | more_opts = self._quality_args(acodec) | |
487 | else: | |
488 | # We convert the audio (lossy if codec is lossy) | |
489 | acodec = ACODECS[self._preferredcodec] | |
490 | if acodec == 'aac' and self._features.get('fdk'): | |
491 | acodec = 'libfdk_aac' | |
492 | extension = self._preferredcodec | |
493 | more_opts = self._quality_args(acodec) | |
494 | if self._preferredcodec == 'aac': | |
495 | more_opts += ['-f', 'adts'] | |
496 | elif self._preferredcodec == 'm4a': | |
497 | more_opts += ['-bsf:a', 'aac_adtstoasc'] | |
498 | elif self._preferredcodec == 'vorbis': | |
499 | extension = 'ogg' | |
500 | elif self._preferredcodec == 'wav': | |
501 | extension = 'wav' | |
502 | more_opts += ['-f', 'wav'] | |
503 | elif self._preferredcodec == 'alac': | |
504 | extension = 'm4a' | |
505 | more_opts += ['-acodec', 'alac'] | |
506 | ||
507 | prefix, sep, ext = path.rpartition('.') # not os.path.splitext, since the latter does not work on unicode in all setups | |
508 | temp_path = new_path = prefix + sep + extension | |
509 | ||
510 | if new_path == path: | |
511 | orig_path = prepend_extension(path, 'orig') | |
512 | temp_path = prepend_extension(path, 'temp') | |
513 | if (self._nopostoverwrites and os.path.exists(encodeFilename(new_path)) | |
514 | and os.path.exists(encodeFilename(orig_path))): | |
515 | self.to_screen('Post-process file %s exists, skipping' % new_path) | |
516 | return [], information | |
517 | ||
518 | try: | |
519 | self.to_screen(f'Destination: {new_path}') | |
520 | self.run_ffmpeg(path, temp_path, acodec, more_opts) | |
521 | except AudioConversionError as e: | |
522 | raise PostProcessingError( | |
523 | 'audio conversion failed: ' + e.msg) | |
524 | except Exception: | |
525 | raise PostProcessingError('error running ' + self.basename) | |
526 | ||
527 | os.replace(path, orig_path) | |
528 | os.replace(temp_path, new_path) | |
529 | information['filepath'] = new_path | |
530 | information['ext'] = extension | |
531 | ||
532 | # Try to update the date time for extracted audio file. | |
533 | if information.get('filetime') is not None: | |
534 | self.try_utime( | |
535 | new_path, time.time(), information['filetime'], | |
536 | errnote='Cannot update utime of audio file') | |
537 | ||
538 | return [orig_path], information | |
539 | ||
540 | ||
541 | class FFmpegVideoConvertorPP(FFmpegPostProcessor): | |
542 | SUPPORTED_EXTS = ('mp4', 'mkv', 'flv', 'webm', 'mov', 'avi', 'mp3', 'mka', 'm4a', 'ogg', 'opus') | |
543 | FORMAT_RE = re.compile(r'{0}(?:/{0})*$'.format(r'(?:\w+>)?(?:%s)' % '|'.join(SUPPORTED_EXTS))) | |
544 | _ACTION = 'converting' | |
545 | ||
546 | def __init__(self, downloader=None, preferedformat=None): | |
547 | super(FFmpegVideoConvertorPP, self).__init__(downloader) | |
548 | self._preferedformats = preferedformat.lower().split('/') | |
549 | ||
550 | def _target_ext(self, source_ext): | |
551 | for pair in self._preferedformats: | |
552 | kv = pair.split('>') | |
553 | if len(kv) == 1 or kv[0].strip() == source_ext: | |
554 | return kv[-1].strip() | |
555 | ||
556 | @staticmethod | |
557 | def _options(target_ext): | |
558 | if target_ext == 'avi': | |
559 | return ['-c:v', 'libxvid', '-vtag', 'XVID'] | |
560 | return [] | |
561 | ||
562 | @PostProcessor._restrict_to(images=False) | |
563 | def run(self, info): | |
564 | filename, source_ext = info['filepath'], info['ext'].lower() | |
565 | target_ext = self._target_ext(source_ext) | |
566 | _skip_msg = ( | |
567 | f'could not find a mapping for {source_ext}' if not target_ext | |
568 | else f'already is in target format {source_ext}' if source_ext == target_ext | |
569 | else None) | |
570 | if _skip_msg: | |
571 | self.to_screen(f'Not {self._ACTION} media file {filename!r}; {_skip_msg}') | |
572 | return [], info | |
573 | ||
574 | outpath = replace_extension(filename, target_ext, source_ext) | |
575 | self.to_screen(f'{self._ACTION.title()} video from {source_ext} to {target_ext}; Destination: {outpath}') | |
576 | self.run_ffmpeg(filename, outpath, self._options(target_ext)) | |
577 | ||
578 | info['filepath'] = outpath | |
579 | info['format'] = info['ext'] = target_ext | |
580 | return [filename], info | |
581 | ||
582 | ||
583 | class FFmpegVideoRemuxerPP(FFmpegVideoConvertorPP): | |
584 | _ACTION = 'remuxing' | |
585 | ||
586 | @staticmethod | |
587 | def _options(target_ext): | |
588 | return FFmpegPostProcessor.stream_copy_opts() | |
589 | ||
590 | ||
591 | class FFmpegEmbedSubtitlePP(FFmpegPostProcessor): | |
592 | def __init__(self, downloader=None, already_have_subtitle=False): | |
593 | super(FFmpegEmbedSubtitlePP, self).__init__(downloader) | |
594 | self._already_have_subtitle = already_have_subtitle | |
595 | ||
596 | @PostProcessor._restrict_to(images=False) | |
597 | def run(self, info): | |
598 | if info['ext'] not in ('mp4', 'webm', 'mkv'): | |
599 | self.to_screen('Subtitles can only be embedded in mp4, webm or mkv files') | |
600 | return [], info | |
601 | subtitles = info.get('requested_subtitles') | |
602 | if not subtitles: | |
603 | self.to_screen('There aren\'t any subtitles to embed') | |
604 | return [], info | |
605 | ||
606 | filename = info['filepath'] | |
607 | ||
608 | # Disabled temporarily. There needs to be a way to overide this | |
609 | # in case of duration actually mismatching in extractor | |
610 | # See: https://github.com/yt-dlp/yt-dlp/issues/1870, https://github.com/yt-dlp/yt-dlp/issues/1385 | |
611 | ''' | |
612 | if info.get('duration') and not info.get('__real_download') and self._duration_mismatch( | |
613 | self._get_real_video_duration(filename, False), info['duration']): | |
614 | self.to_screen(f'Skipping {self.pp_key()} since the real and expected durations mismatch') | |
615 | return [], info | |
616 | ''' | |
617 | ||
618 | ext = info['ext'] | |
619 | sub_langs, sub_names, sub_filenames = [], [], [] | |
620 | webm_vtt_warn = False | |
621 | mp4_ass_warn = False | |
622 | ||
623 | for lang, sub_info in subtitles.items(): | |
624 | if not os.path.exists(sub_info.get('filepath', '')): | |
625 | self.report_warning(f'Skipping embedding {lang} subtitle because the file is missing') | |
626 | continue | |
627 | sub_ext = sub_info['ext'] | |
628 | if sub_ext == 'json': | |
629 | self.report_warning('JSON subtitles cannot be embedded') | |
630 | elif ext != 'webm' or ext == 'webm' and sub_ext == 'vtt': | |
631 | sub_langs.append(lang) | |
632 | sub_names.append(sub_info.get('name')) | |
633 | sub_filenames.append(sub_info['filepath']) | |
634 | else: | |
635 | if not webm_vtt_warn and ext == 'webm' and sub_ext != 'vtt': | |
636 | webm_vtt_warn = True | |
637 | self.report_warning('Only WebVTT subtitles can be embedded in webm files') | |
638 | if not mp4_ass_warn and ext == 'mp4' and sub_ext == 'ass': | |
639 | mp4_ass_warn = True | |
640 | self.report_warning('ASS subtitles cannot be properly embedded in mp4 files; expect issues') | |
641 | ||
642 | if not sub_langs: | |
643 | return [], info | |
644 | ||
645 | input_files = [filename] + sub_filenames | |
646 | ||
647 | opts = [ | |
648 | *self.stream_copy_opts(ext=info['ext']), | |
649 | # Don't copy the existing subtitles, we may be running the | |
650 | # postprocessor a second time | |
651 | '-map', '-0:s', | |
652 | ] | |
653 | for i, (lang, name) in enumerate(zip(sub_langs, sub_names)): | |
654 | opts.extend(['-map', '%d:0' % (i + 1)]) | |
655 | lang_code = ISO639Utils.short2long(lang) or lang | |
656 | opts.extend(['-metadata:s:s:%d' % i, 'language=%s' % lang_code]) | |
657 | if name: | |
658 | opts.extend(['-metadata:s:s:%d' % i, 'handler_name=%s' % name, | |
659 | '-metadata:s:s:%d' % i, 'title=%s' % name]) | |
660 | ||
661 | temp_filename = prepend_extension(filename, 'temp') | |
662 | self.to_screen('Embedding subtitles in "%s"' % filename) | |
663 | self.run_ffmpeg_multiple_files(input_files, temp_filename, opts) | |
664 | os.replace(temp_filename, filename) | |
665 | ||
666 | files_to_delete = [] if self._already_have_subtitle else sub_filenames | |
667 | return files_to_delete, info | |
668 | ||
669 | ||
670 | class FFmpegMetadataPP(FFmpegPostProcessor): | |
671 | ||
672 | def __init__(self, downloader, add_metadata=True, add_chapters=True, add_infojson='if_exists'): | |
673 | FFmpegPostProcessor.__init__(self, downloader) | |
674 | self._add_metadata = add_metadata | |
675 | self._add_chapters = add_chapters | |
676 | self._add_infojson = add_infojson | |
677 | ||
678 | @staticmethod | |
679 | def _options(target_ext): | |
680 | audio_only = target_ext == 'm4a' | |
681 | yield from FFmpegPostProcessor.stream_copy_opts(not audio_only) | |
682 | if audio_only: | |
683 | yield from ('-vn', '-acodec', 'copy') | |
684 | ||
685 | @PostProcessor._restrict_to(images=False) | |
686 | def run(self, info): | |
687 | filename, metadata_filename = info['filepath'], None | |
688 | files_to_delete, options = [], [] | |
689 | if self._add_chapters and info.get('chapters'): | |
690 | metadata_filename = replace_extension(filename, 'meta') | |
691 | options.extend(self._get_chapter_opts(info['chapters'], metadata_filename)) | |
692 | files_to_delete.append(metadata_filename) | |
693 | if self._add_metadata: | |
694 | options.extend(self._get_metadata_opts(info)) | |
695 | ||
696 | if self._add_infojson: | |
697 | if info['ext'] in ('mkv', 'mka'): | |
698 | infojson_filename = info.get('infojson_filename') | |
699 | options.extend(self._get_infojson_opts(info, infojson_filename)) | |
700 | if not infojson_filename: | |
701 | files_to_delete.append(info.get('infojson_filename')) | |
702 | elif self._add_infojson is True: | |
703 | self.to_screen('The info-json can only be attached to mkv/mka files') | |
704 | ||
705 | if not options: | |
706 | self.to_screen('There isn\'t any metadata to add') | |
707 | return [], info | |
708 | ||
709 | temp_filename = prepend_extension(filename, 'temp') | |
710 | self.to_screen('Adding metadata to "%s"' % filename) | |
711 | self.run_ffmpeg_multiple_files( | |
712 | (filename, metadata_filename), temp_filename, | |
713 | itertools.chain(self._options(info['ext']), *options)) | |
714 | for file in filter(None, files_to_delete): | |
715 | os.remove(file) # Don't obey --keep-files | |
716 | os.replace(temp_filename, filename) | |
717 | return [], info | |
718 | ||
719 | @staticmethod | |
720 | def _get_chapter_opts(chapters, metadata_filename): | |
721 | with io.open(metadata_filename, 'wt', encoding='utf-8') as f: | |
722 | def ffmpeg_escape(text): | |
723 | return re.sub(r'([\\=;#\n])', r'\\\1', text) | |
724 | ||
725 | metadata_file_content = ';FFMETADATA1\n' | |
726 | for chapter in chapters: | |
727 | metadata_file_content += '[CHAPTER]\nTIMEBASE=1/1000\n' | |
728 | metadata_file_content += 'START=%d\n' % (chapter['start_time'] * 1000) | |
729 | metadata_file_content += 'END=%d\n' % (chapter['end_time'] * 1000) | |
730 | chapter_title = chapter.get('title') | |
731 | if chapter_title: | |
732 | metadata_file_content += 'title=%s\n' % ffmpeg_escape(chapter_title) | |
733 | f.write(metadata_file_content) | |
734 | yield ('-map_metadata', '1') | |
735 | ||
736 | def _get_metadata_opts(self, info): | |
737 | meta_prefix = 'meta' | |
738 | metadata = collections.defaultdict(dict) | |
739 | ||
740 | def add(meta_list, info_list=None): | |
741 | value = next(( | |
742 | str(info[key]) for key in [f'{meta_prefix}_'] + list(variadic(info_list or meta_list)) | |
743 | if info.get(key) is not None), None) | |
744 | if value not in ('', None): | |
745 | metadata['common'].update({meta_f: value for meta_f in variadic(meta_list)}) | |
746 | ||
747 | # See [1-4] for some info on media metadata/metadata supported | |
748 | # by ffmpeg. | |
749 | # 1. https://kdenlive.org/en/project/adding-meta-data-to-mp4-video/ | |
750 | # 2. https://wiki.multimedia.cx/index.php/FFmpeg_Metadata | |
751 | # 3. https://kodi.wiki/view/Video_file_tagging | |
752 | ||
753 | add('title', ('track', 'title')) | |
754 | add('date', 'upload_date') | |
755 | add(('description', 'synopsis'), 'description') | |
756 | add(('purl', 'comment'), 'webpage_url') | |
757 | add('track', 'track_number') | |
758 | add('artist', ('artist', 'creator', 'uploader', 'uploader_id')) | |
759 | add('genre') | |
760 | add('album') | |
761 | add('album_artist') | |
762 | add('disc', 'disc_number') | |
763 | add('show', 'series') | |
764 | add('season_number') | |
765 | add('episode_id', ('episode', 'episode_id')) | |
766 | add('episode_sort', 'episode_number') | |
767 | if 'embed-metadata' in self.get_param('compat_opts', []): | |
768 | add('comment', 'description') | |
769 | metadata['common'].pop('synopsis', None) | |
770 | ||
771 | meta_regex = rf'{re.escape(meta_prefix)}(?P<i>\d+)?_(?P<key>.+)' | |
772 | for key, value in info.items(): | |
773 | mobj = re.fullmatch(meta_regex, key) | |
774 | if value is not None and mobj: | |
775 | metadata[mobj.group('i') or 'common'][mobj.group('key')] = value | |
776 | ||
777 | for name, value in metadata['common'].items(): | |
778 | yield ('-metadata', f'{name}={value}') | |
779 | ||
780 | stream_idx = 0 | |
781 | for fmt in info.get('requested_formats') or []: | |
782 | stream_count = 2 if 'none' not in (fmt.get('vcodec'), fmt.get('acodec')) else 1 | |
783 | lang = ISO639Utils.short2long(fmt.get('language') or '') or fmt.get('language') | |
784 | for i in range(stream_idx, stream_idx + stream_count): | |
785 | if lang: | |
786 | metadata[str(i)].setdefault('language', lang) | |
787 | for name, value in metadata[str(i)].items(): | |
788 | yield (f'-metadata:s:{i}', f'{name}={value}') | |
789 | stream_idx += stream_count | |
790 | ||
791 | def _get_infojson_opts(self, info, infofn): | |
792 | if not infofn or not os.path.exists(infofn): | |
793 | if self._add_infojson is not True: | |
794 | return | |
795 | infofn = infofn or '%s.temp' % ( | |
796 | self._downloader.prepare_filename(info, 'infojson') | |
797 | or replace_extension(self._downloader.prepare_filename(info), 'info.json', info['ext'])) | |
798 | if not self._downloader._ensure_dir_exists(infofn): | |
799 | return | |
800 | self.write_debug(f'Writing info-json to: {infofn}') | |
801 | write_json_file(self._downloader.sanitize_info(info, self.get_param('clean_infojson', True)), infofn) | |
802 | info['infojson_filename'] = infofn | |
803 | ||
804 | old_stream, new_stream = self.get_stream_number(info['filepath'], ('tags', 'mimetype'), 'application/json') | |
805 | if old_stream is not None: | |
806 | yield ('-map', '-0:%d' % old_stream) | |
807 | new_stream -= 1 | |
808 | ||
809 | yield ('-attach', infofn, | |
810 | '-metadata:s:%d' % new_stream, 'mimetype=application/json') | |
811 | ||
812 | ||
813 | class FFmpegMergerPP(FFmpegPostProcessor): | |
814 | @PostProcessor._restrict_to(images=False) | |
815 | def run(self, info): | |
816 | filename = info['filepath'] | |
817 | temp_filename = prepend_extension(filename, 'temp') | |
818 | args = ['-c', 'copy'] | |
819 | audio_streams = 0 | |
820 | for (i, fmt) in enumerate(info['requested_formats']): | |
821 | if fmt.get('acodec') != 'none': | |
822 | args.extend(['-map', f'{i}:a:0']) | |
823 | aac_fixup = fmt['protocol'].startswith('m3u8') and self.get_audio_codec(fmt['filepath']) == 'aac' | |
824 | if aac_fixup: | |
825 | args.extend([f'-bsf:a:{audio_streams}', 'aac_adtstoasc']) | |
826 | audio_streams += 1 | |
827 | if fmt.get('vcodec') != 'none': | |
828 | args.extend(['-map', '%u:v:0' % (i)]) | |
829 | self.to_screen('Merging formats into "%s"' % filename) | |
830 | self.run_ffmpeg_multiple_files(info['__files_to_merge'], temp_filename, args) | |
831 | os.rename(encodeFilename(temp_filename), encodeFilename(filename)) | |
832 | return info['__files_to_merge'], info | |
833 | ||
834 | def can_merge(self): | |
835 | # TODO: figure out merge-capable ffmpeg version | |
836 | if self.basename != 'avconv': | |
837 | return True | |
838 | ||
839 | required_version = '10-0' | |
840 | if is_outdated_version( | |
841 | self._versions[self.basename], required_version): | |
842 | warning = ('Your copy of %s is outdated and unable to properly mux separate video and audio files, ' | |
843 | 'yt-dlp will download single file media. ' | |
844 | 'Update %s to version %s or newer to fix this.') % ( | |
845 | self.basename, self.basename, required_version) | |
846 | self.report_warning(warning) | |
847 | return False | |
848 | return True | |
849 | ||
850 | ||
851 | class FFmpegFixupPostProcessor(FFmpegPostProcessor): | |
852 | def _fixup(self, msg, filename, options): | |
853 | temp_filename = prepend_extension(filename, 'temp') | |
854 | ||
855 | self.to_screen(f'{msg} of "{filename}"') | |
856 | self.run_ffmpeg(filename, temp_filename, options) | |
857 | ||
858 | os.replace(temp_filename, filename) | |
859 | ||
860 | ||
861 | class FFmpegFixupStretchedPP(FFmpegFixupPostProcessor): | |
862 | @PostProcessor._restrict_to(images=False, audio=False) | |
863 | def run(self, info): | |
864 | stretched_ratio = info.get('stretched_ratio') | |
865 | if stretched_ratio not in (None, 1): | |
866 | self._fixup('Fixing aspect ratio', info['filepath'], [ | |
867 | *self.stream_copy_opts(), '-aspect', '%f' % stretched_ratio]) | |
868 | return [], info | |
869 | ||
870 | ||
871 | class FFmpegFixupM4aPP(FFmpegFixupPostProcessor): | |
872 | @PostProcessor._restrict_to(images=False, video=False) | |
873 | def run(self, info): | |
874 | if info.get('container') == 'm4a_dash': | |
875 | self._fixup('Correcting container', info['filepath'], [*self.stream_copy_opts(), '-f', 'mp4']) | |
876 | return [], info | |
877 | ||
878 | ||
879 | class FFmpegFixupM3u8PP(FFmpegFixupPostProcessor): | |
880 | def _needs_fixup(self, info): | |
881 | yield info['ext'] in ('mp4', 'm4a') | |
882 | yield info['protocol'].startswith('m3u8') | |
883 | try: | |
884 | metadata = self.get_metadata_object(info['filepath']) | |
885 | except PostProcessingError as e: | |
886 | self.report_warning(f'Unable to extract metadata: {e.msg}') | |
887 | yield True | |
888 | else: | |
889 | yield traverse_obj(metadata, ('format', 'format_name'), casesense=False) == 'mpegts' | |
890 | ||
891 | @PostProcessor._restrict_to(images=False) | |
892 | def run(self, info): | |
893 | if all(self._needs_fixup(info)): | |
894 | self._fixup('Fixing MPEG-TS in MP4 container', info['filepath'], [ | |
895 | *self.stream_copy_opts(), '-f', 'mp4', '-bsf:a', 'aac_adtstoasc']) | |
896 | return [], info | |
897 | ||
898 | ||
899 | class FFmpegFixupTimestampPP(FFmpegFixupPostProcessor): | |
900 | ||
901 | def __init__(self, downloader=None, trim=0.001): | |
902 | # "trim" should be used when the video contains unintended packets | |
903 | super(FFmpegFixupTimestampPP, self).__init__(downloader) | |
904 | assert isinstance(trim, (int, float)) | |
905 | self.trim = str(trim) | |
906 | ||
907 | @PostProcessor._restrict_to(images=False) | |
908 | def run(self, info): | |
909 | if not self._features.get('setts'): | |
910 | self.report_warning( | |
911 | 'A re-encode is needed to fix timestamps in older versions of ffmpeg. ' | |
912 | 'Please install ffmpeg 4.4 or later to fixup without re-encoding') | |
913 | opts = ['-vf', 'setpts=PTS-STARTPTS'] | |
914 | else: | |
915 | opts = ['-c', 'copy', '-bsf', 'setts=ts=TS-STARTPTS'] | |
916 | self._fixup('Fixing frame timestamp', info['filepath'], opts + [*self.stream_copy_opts(False), '-ss', self.trim]) | |
917 | return [], info | |
918 | ||
919 | ||
920 | class FFmpegCopyStreamPostProcessor(FFmpegFixupPostProcessor): | |
921 | MESSAGE = 'Copying stream' | |
922 | ||
923 | @PostProcessor._restrict_to(images=False) | |
924 | def run(self, info): | |
925 | self._fixup(self.MESSAGE, info['filepath'], self.stream_copy_opts()) | |
926 | return [], info | |
927 | ||
928 | ||
929 | class FFmpegFixupDurationPP(FFmpegCopyStreamPostProcessor): | |
930 | MESSAGE = 'Fixing video duration' | |
931 | ||
932 | ||
933 | class FFmpegFixupDuplicateMoovPP(FFmpegCopyStreamPostProcessor): | |
934 | MESSAGE = 'Fixing duplicate MOOV atoms' | |
935 | ||
936 | ||
937 | class FFmpegSubtitlesConvertorPP(FFmpegPostProcessor): | |
938 | SUPPORTED_EXTS = ('srt', 'vtt', 'ass', 'lrc') | |
939 | ||
940 | def __init__(self, downloader=None, format=None): | |
941 | super(FFmpegSubtitlesConvertorPP, self).__init__(downloader) | |
942 | self.format = format | |
943 | ||
944 | def run(self, info): | |
945 | subs = info.get('requested_subtitles') | |
946 | new_ext = self.format | |
947 | new_format = new_ext | |
948 | if new_format == 'vtt': | |
949 | new_format = 'webvtt' | |
950 | if subs is None: | |
951 | self.to_screen('There aren\'t any subtitles to convert') | |
952 | return [], info | |
953 | self.to_screen('Converting subtitles') | |
954 | sub_filenames = [] | |
955 | for lang, sub in subs.items(): | |
956 | if not os.path.exists(sub.get('filepath', '')): | |
957 | self.report_warning(f'Skipping embedding {lang} subtitle because the file is missing') | |
958 | continue | |
959 | ext = sub['ext'] | |
960 | if ext == new_ext: | |
961 | self.to_screen('Subtitle file for %s is already in the requested format' % new_ext) | |
962 | continue | |
963 | elif ext == 'json': | |
964 | self.to_screen( | |
965 | 'You have requested to convert json subtitles into another format, ' | |
966 | 'which is currently not possible') | |
967 | continue | |
968 | old_file = sub['filepath'] | |
969 | sub_filenames.append(old_file) | |
970 | new_file = replace_extension(old_file, new_ext) | |
971 | ||
972 | if ext in ('dfxp', 'ttml', 'tt'): | |
973 | self.report_warning( | |
974 | 'You have requested to convert dfxp (TTML) subtitles into another format, ' | |
975 | 'which results in style information loss') | |
976 | ||
977 | dfxp_file = old_file | |
978 | srt_file = replace_extension(old_file, 'srt') | |
979 | ||
980 | with open(dfxp_file, 'rb') as f: | |
981 | srt_data = dfxp2srt(f.read()) | |
982 | ||
983 | with io.open(srt_file, 'wt', encoding='utf-8') as f: | |
984 | f.write(srt_data) | |
985 | old_file = srt_file | |
986 | ||
987 | subs[lang] = { | |
988 | 'ext': 'srt', | |
989 | 'data': srt_data, | |
990 | 'filepath': srt_file, | |
991 | } | |
992 | ||
993 | if new_ext == 'srt': | |
994 | continue | |
995 | else: | |
996 | sub_filenames.append(srt_file) | |
997 | ||
998 | self.run_ffmpeg(old_file, new_file, ['-f', new_format]) | |
999 | ||
1000 | with io.open(new_file, 'rt', encoding='utf-8') as f: | |
1001 | subs[lang] = { | |
1002 | 'ext': new_ext, | |
1003 | 'data': f.read(), | |
1004 | 'filepath': new_file, | |
1005 | } | |
1006 | ||
1007 | info['__files_to_move'][new_file] = replace_extension( | |
1008 | info['__files_to_move'][sub['filepath']], new_ext) | |
1009 | ||
1010 | return sub_filenames, info | |
1011 | ||
1012 | ||
1013 | class FFmpegSplitChaptersPP(FFmpegPostProcessor): | |
1014 | def __init__(self, downloader, force_keyframes=False): | |
1015 | FFmpegPostProcessor.__init__(self, downloader) | |
1016 | self._force_keyframes = force_keyframes | |
1017 | ||
1018 | def _prepare_filename(self, number, chapter, info): | |
1019 | info = info.copy() | |
1020 | info.update({ | |
1021 | 'section_number': number, | |
1022 | 'section_title': chapter.get('title'), | |
1023 | 'section_start': chapter.get('start_time'), | |
1024 | 'section_end': chapter.get('end_time'), | |
1025 | }) | |
1026 | return self._downloader.prepare_filename(info, 'chapter') | |
1027 | ||
1028 | def _ffmpeg_args_for_chapter(self, number, chapter, info): | |
1029 | destination = self._prepare_filename(number, chapter, info) | |
1030 | if not self._downloader._ensure_dir_exists(encodeFilename(destination)): | |
1031 | return | |
1032 | ||
1033 | chapter['filepath'] = destination | |
1034 | self.to_screen('Chapter %03d; Destination: %s' % (number, destination)) | |
1035 | return ( | |
1036 | destination, | |
1037 | ['-ss', compat_str(chapter['start_time']), | |
1038 | '-t', compat_str(chapter['end_time'] - chapter['start_time'])]) | |
1039 | ||
1040 | @PostProcessor._restrict_to(images=False) | |
1041 | def run(self, info): | |
1042 | chapters = info.get('chapters') or [] | |
1043 | if not chapters: | |
1044 | self.to_screen('Chapter information is unavailable') | |
1045 | return [], info | |
1046 | ||
1047 | in_file = info['filepath'] | |
1048 | if self._force_keyframes and len(chapters) > 1: | |
1049 | in_file = self.force_keyframes(in_file, (c['start_time'] for c in chapters)) | |
1050 | self.to_screen('Splitting video by chapters; %d chapters found' % len(chapters)) | |
1051 | for idx, chapter in enumerate(chapters): | |
1052 | destination, opts = self._ffmpeg_args_for_chapter(idx + 1, chapter, info) | |
1053 | self.real_run_ffmpeg([(in_file, opts)], [(destination, self.stream_copy_opts())]) | |
1054 | if in_file != info['filepath']: | |
1055 | os.remove(in_file) | |
1056 | return [], info | |
1057 | ||
1058 | ||
1059 | class FFmpegThumbnailsConvertorPP(FFmpegPostProcessor): | |
1060 | SUPPORTED_EXTS = ('jpg', 'png') | |
1061 | ||
1062 | def __init__(self, downloader=None, format=None): | |
1063 | super(FFmpegThumbnailsConvertorPP, self).__init__(downloader) | |
1064 | self.format = format | |
1065 | ||
1066 | @staticmethod | |
1067 | def is_webp(path): | |
1068 | with open(encodeFilename(path), 'rb') as f: | |
1069 | b = f.read(12) | |
1070 | return b[0:4] == b'RIFF' and b[8:] == b'WEBP' | |
1071 | ||
1072 | def fixup_webp(self, info, idx=-1): | |
1073 | thumbnail_filename = info['thumbnails'][idx]['filepath'] | |
1074 | _, thumbnail_ext = os.path.splitext(thumbnail_filename) | |
1075 | if thumbnail_ext: | |
1076 | thumbnail_ext = thumbnail_ext[1:].lower() | |
1077 | if thumbnail_ext != 'webp' and self.is_webp(thumbnail_filename): | |
1078 | self.to_screen('Correcting thumbnail "%s" extension to webp' % thumbnail_filename) | |
1079 | webp_filename = replace_extension(thumbnail_filename, 'webp') | |
1080 | os.replace(thumbnail_filename, webp_filename) | |
1081 | info['thumbnails'][idx]['filepath'] = webp_filename | |
1082 | info['__files_to_move'][webp_filename] = replace_extension( | |
1083 | info['__files_to_move'].pop(thumbnail_filename), 'webp') | |
1084 | ||
1085 | @staticmethod | |
1086 | def _options(target_ext): | |
1087 | if target_ext == 'jpg': | |
1088 | return ['-bsf:v', 'mjpeg2jpeg'] | |
1089 | return [] | |
1090 | ||
1091 | def convert_thumbnail(self, thumbnail_filename, target_ext): | |
1092 | thumbnail_conv_filename = replace_extension(thumbnail_filename, target_ext) | |
1093 | ||
1094 | self.to_screen('Converting thumbnail "%s" to %s' % (thumbnail_filename, target_ext)) | |
1095 | self.real_run_ffmpeg( | |
1096 | [(thumbnail_filename, ['-f', 'image2', '-pattern_type', 'none'])], | |
1097 | [(thumbnail_conv_filename.replace('%', '%%'), self._options(target_ext))]) | |
1098 | return thumbnail_conv_filename | |
1099 | ||
1100 | def run(self, info): | |
1101 | files_to_delete = [] | |
1102 | has_thumbnail = False | |
1103 | ||
1104 | for idx, thumbnail_dict in enumerate(info.get('thumbnails') or []): | |
1105 | original_thumbnail = thumbnail_dict.get('filepath') | |
1106 | if not original_thumbnail: | |
1107 | continue | |
1108 | has_thumbnail = True | |
1109 | self.fixup_webp(info, idx) | |
1110 | _, thumbnail_ext = os.path.splitext(original_thumbnail) | |
1111 | if thumbnail_ext: | |
1112 | thumbnail_ext = thumbnail_ext[1:].lower() | |
1113 | if thumbnail_ext == 'jpeg': | |
1114 | thumbnail_ext = 'jpg' | |
1115 | if thumbnail_ext == self.format: | |
1116 | self.to_screen('Thumbnail "%s" is already in the requested format' % original_thumbnail) | |
1117 | continue | |
1118 | thumbnail_dict['filepath'] = self.convert_thumbnail(original_thumbnail, self.format) | |
1119 | files_to_delete.append(original_thumbnail) | |
1120 | info['__files_to_move'][thumbnail_dict['filepath']] = replace_extension( | |
1121 | info['__files_to_move'][original_thumbnail], self.format) | |
1122 | ||
1123 | if not has_thumbnail: | |
1124 | self.to_screen('There aren\'t any thumbnails to convert') | |
1125 | return files_to_delete, info |