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Commit | Line | Data |
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3aa578ca PH |
1 | from __future__ import unicode_literals |
2 | ||
e9fade72 | 3 | import io |
7dde84f3 | 4 | import itertools |
496c1923 PH |
5 | import os |
6 | import subprocess | |
496c1923 | 7 | import time |
fa2a36d9 | 8 | import re |
06167fbb | 9 | import json |
496c1923 | 10 | |
496c1923 PH |
11 | from .common import AudioConversionError, PostProcessor |
12 | ||
b11d2101 | 13 | from ..compat import compat_str |
8c25f81b | 14 | from ..utils import ( |
7a340e0d | 15 | dfxp2srt, |
f07b74fc | 16 | encodeArgument, |
496c1923 | 17 | encodeFilename, |
165efb82 | 18 | float_or_none, |
9af98e17 | 19 | _get_exe_version_output, |
20 | detect_exe_version, | |
48844745 | 21 | is_outdated_version, |
7a340e0d NA |
22 | ISO639Utils, |
23 | orderedSet, | |
d3c93ec2 | 24 | Popen, |
496c1923 PH |
25 | PostProcessingError, |
26 | prepend_extension, | |
06167fbb | 27 | replace_extension, |
7a340e0d | 28 | shell_quote, |
324ad820 | 29 | traverse_obj, |
6606817a | 30 | variadic, |
dac5df5a | 31 | write_json_file, |
496c1923 PH |
32 | ) |
33 | ||
34 | ||
a755f825 | 35 | EXT_TO_OUT_FORMATS = { |
21bfcd3d PH |
36 | 'aac': 'adts', |
37 | 'flac': 'flac', | |
38 | 'm4a': 'ipod', | |
39 | 'mka': 'matroska', | |
40 | 'mkv': 'matroska', | |
41 | 'mpg': 'mpeg', | |
42 | 'ogv': 'ogg', | |
43 | 'ts': 'mpegts', | |
44 | 'wma': 'asf', | |
45 | 'wmv': 'asf', | |
abad8000 | 46 | 'vtt': 'webvtt', |
21bfcd3d PH |
47 | } |
48 | ACODECS = { | |
49 | 'mp3': 'libmp3lame', | |
50 | 'aac': 'aac', | |
51 | 'flac': 'flac', | |
52 | 'm4a': 'aac', | |
d2ae7e24 | 53 | 'opus': 'libopus', |
21bfcd3d PH |
54 | 'vorbis': 'libvorbis', |
55 | 'wav': None, | |
a755f825 | 56 | } |
57 | ||
58 | ||
496c1923 PH |
59 | class FFmpegPostProcessorError(PostProcessingError): |
60 | pass | |
61 | ||
d799b47b | 62 | |
496c1923 | 63 | class FFmpegPostProcessor(PostProcessor): |
d47aeb22 | 64 | def __init__(self, downloader=None): |
496c1923 | 65 | PostProcessor.__init__(self, downloader) |
73fac4e9 | 66 | self._determine_executables() |
496c1923 | 67 | |
48844745 | 68 | def check_version(self): |
f740fae2 | 69 | if not self.available: |
beb4b92a | 70 | raise FFmpegPostProcessorError('ffmpeg not found. Please install or provide the path using --ffmpeg-location') |
48844745 | 71 | |
65bf37ef | 72 | required_version = '10-0' if self.basename == 'avconv' else '1.0' |
48844745 | 73 | if is_outdated_version( |
73fac4e9 | 74 | self._versions[self.basename], required_version): |
3aa578ca | 75 | warning = 'Your copy of %s is outdated, update %s to version %s or newer if you encounter any errors.' % ( |
73fac4e9 | 76 | self.basename, self.basename, required_version) |
f446cc66 | 77 | self.report_warning(warning) |
48844745 | 78 | |
8913ef74 | 79 | @staticmethod |
80 | def get_versions_and_features(downloader=None): | |
81 | pp = FFmpegPostProcessor(downloader) | |
82 | return pp._versions, pp._features | |
83 | ||
496c1923 | 84 | @staticmethod |
73fac4e9 | 85 | def get_versions(downloader=None): |
8913ef74 | 86 | return FFmpegPostProcessor.get_version_and_features(downloader)[0] |
6271f1ca | 87 | |
73fac4e9 PH |
88 | def _determine_executables(self): |
89 | programs = ['avprobe', 'avconv', 'ffmpeg', 'ffprobe'] | |
73fac4e9 | 90 | |
9af98e17 | 91 | def get_ffmpeg_version(path, prog): |
92 | out = _get_exe_version_output(path, ['-bsfs']) | |
93 | ver = detect_exe_version(out) if out else False | |
a64646e4 RA |
94 | if ver: |
95 | regexs = [ | |
cbdc688c | 96 | r'(?:\d+:)?([0-9.]+)-[0-9]+ubuntu[0-9.]+$', # Ubuntu, see [1] |
5caa531a | 97 | r'n([0-9.]+)$', # Arch Linux |
cbdc688c | 98 | # 1. http://www.ducea.com/2006/06/17/ubuntu-package-version-naming-explanation/ |
a64646e4 RA |
99 | ] |
100 | for regex in regexs: | |
101 | mobj = re.match(regex, ver) | |
102 | if mobj: | |
103 | ver = mobj.group(1) | |
9af98e17 | 104 | self._versions[prog] = ver |
105 | if prog != 'ffmpeg' or not out: | |
106 | return | |
107 | ||
8913ef74 | 108 | mobj = re.search(r'(?m)^\s+libavformat\s+(?:[0-9. ]+)\s+/\s+(?P<runtime>[0-9. ]+)', out) |
109 | lavf_runtime_version = mobj.group('runtime').replace(' ', '') if mobj else None | |
832e9000 | 110 | self._features = { |
111 | 'fdk': '--enable-libfdk-aac' in out, | |
112 | 'setts': 'setts' in out.splitlines(), | |
8913ef74 | 113 | 'needs_adtstoasc': is_outdated_version(lavf_runtime_version, '57.56.100', False), |
832e9000 | 114 | } |
a64646e4 | 115 | |
73fac4e9 PH |
116 | self.basename = None |
117 | self.probe_basename = None | |
73fac4e9 PH |
118 | self._paths = None |
119 | self._versions = None | |
9af98e17 | 120 | self._features = {} |
121 | ||
122 | prefer_ffmpeg = self.get_param('prefer_ffmpeg', True) | |
123 | location = self.get_param('ffmpeg_location') | |
124 | if location is None: | |
125 | self._paths = {p: p for p in programs} | |
126 | else: | |
127 | if not os.path.exists(location): | |
128 | self.report_warning( | |
129 | 'ffmpeg-location %s does not exist! ' | |
130 | 'Continuing without ffmpeg.' % (location)) | |
131 | self._versions = {} | |
132 | return | |
133 | elif os.path.isdir(location): | |
134 | dirname, basename = location, None | |
135 | else: | |
136 | basename = os.path.splitext(os.path.basename(location))[0] | |
137 | basename = next((p for p in programs if basename.startswith(p)), 'ffmpeg') | |
138 | dirname = os.path.dirname(os.path.abspath(location)) | |
139 | if basename in ('ffmpeg', 'ffprobe'): | |
140 | prefer_ffmpeg = True | |
141 | ||
142 | self._paths = dict( | |
143 | (p, os.path.join(dirname, p)) for p in programs) | |
144 | if basename: | |
145 | self._paths[basename] = location | |
146 | ||
147 | self._versions = {} | |
148 | for p in programs: | |
149 | get_ffmpeg_version(self._paths[p], p) | |
73fac4e9 | 150 | |
d4a24f40 | 151 | if prefer_ffmpeg is False: |
d28b5171 | 152 | prefs = ('avconv', 'ffmpeg') |
d4a24f40 S |
153 | else: |
154 | prefs = ('ffmpeg', 'avconv') | |
d28b5171 PH |
155 | for p in prefs: |
156 | if self._versions[p]: | |
73fac4e9 PH |
157 | self.basename = p |
158 | break | |
76b1bd67 | 159 | |
d4a24f40 | 160 | if prefer_ffmpeg is False: |
1a253e13 | 161 | prefs = ('avprobe', 'ffprobe') |
d4a24f40 S |
162 | else: |
163 | prefs = ('ffprobe', 'avprobe') | |
1a253e13 PH |
164 | for p in prefs: |
165 | if self._versions[p]: | |
73fac4e9 PH |
166 | self.probe_basename = p |
167 | break | |
168 | ||
f740fae2 | 169 | @property |
73fac4e9 PH |
170 | def available(self): |
171 | return self.basename is not None | |
1a253e13 | 172 | |
73fac4e9 PH |
173 | @property |
174 | def executable(self): | |
175 | return self._paths[self.basename] | |
176 | ||
3da4b313 JMF |
177 | @property |
178 | def probe_available(self): | |
179 | return self.probe_basename is not None | |
180 | ||
73fac4e9 PH |
181 | @property |
182 | def probe_executable(self): | |
183 | return self._paths[self.probe_basename] | |
76b1bd67 | 184 | |
30d9e209 | 185 | def get_audio_codec(self, path): |
eb35b163 | 186 | if not self.probe_available and not self.available: |
beb4b92a | 187 | raise PostProcessingError('ffprobe and ffmpeg not found. Please install or provide the path using --ffmpeg-location') |
30d9e209 | 188 | try: |
eb35b163 RA |
189 | if self.probe_available: |
190 | cmd = [ | |
191 | encodeFilename(self.probe_executable, True), | |
192 | encodeArgument('-show_streams')] | |
193 | else: | |
194 | cmd = [ | |
195 | encodeFilename(self.executable, True), | |
196 | encodeArgument('-i')] | |
197 | cmd.append(encodeFilename(self._ffmpeg_filename_argument(path), True)) | |
f446cc66 | 198 | self.write_debug('%s command line: %s' % (self.basename, shell_quote(cmd))) |
d3c93ec2 | 199 | handle = Popen(cmd, stdin=subprocess.PIPE, stdout=subprocess.PIPE, stderr=subprocess.PIPE) |
200 | stdout_data, stderr_data = handle.communicate_or_kill() | |
eb35b163 RA |
201 | expected_ret = 0 if self.probe_available else 1 |
202 | if handle.wait() != expected_ret: | |
30d9e209 RA |
203 | return None |
204 | except (IOError, OSError): | |
205 | return None | |
eb35b163 RA |
206 | output = (stdout_data if self.probe_available else stderr_data).decode('ascii', 'ignore') |
207 | if self.probe_available: | |
208 | audio_codec = None | |
209 | for line in output.split('\n'): | |
210 | if line.startswith('codec_name='): | |
211 | audio_codec = line.split('=')[1].strip() | |
212 | elif line.strip() == 'codec_type=audio' and audio_codec is not None: | |
213 | return audio_codec | |
214 | else: | |
215 | # Stream #FILE_INDEX:STREAM_INDEX[STREAM_ID](LANGUAGE): CODEC_TYPE: CODEC_NAME | |
216 | mobj = re.search( | |
217 | r'Stream\s*#\d+:\d+(?:\[0x[0-9a-f]+\])?(?:\([a-z]{3}\))?:\s*Audio:\s*([0-9a-z]+)', | |
218 | output) | |
219 | if mobj: | |
220 | return mobj.group(1) | |
30d9e209 RA |
221 | return None |
222 | ||
06167fbb | 223 | def get_metadata_object(self, path, opts=[]): |
224 | if self.probe_basename != 'ffprobe': | |
225 | if self.probe_available: | |
226 | self.report_warning('Only ffprobe is supported for metadata extraction') | |
beb4b92a | 227 | raise PostProcessingError('ffprobe not found. Please install or provide the path using --ffmpeg-location') |
06167fbb | 228 | self.check_version() |
229 | ||
230 | cmd = [ | |
231 | encodeFilename(self.probe_executable, True), | |
232 | encodeArgument('-hide_banner'), | |
233 | encodeArgument('-show_format'), | |
234 | encodeArgument('-show_streams'), | |
235 | encodeArgument('-print_format'), | |
236 | encodeArgument('json'), | |
237 | ] | |
238 | ||
239 | cmd += opts | |
240 | cmd.append(encodeFilename(self._ffmpeg_filename_argument(path), True)) | |
06869367 | 241 | self.write_debug('ffprobe command line: %s' % shell_quote(cmd)) |
d3c93ec2 | 242 | p = Popen(cmd, stdout=subprocess.PIPE, stderr=subprocess.PIPE, stdin=subprocess.PIPE) |
06167fbb | 243 | stdout, stderr = p.communicate() |
244 | return json.loads(stdout.decode('utf-8', 'replace')) | |
245 | ||
246 | def get_stream_number(self, path, keys, value): | |
247 | streams = self.get_metadata_object(path)['streams'] | |
248 | num = next( | |
324ad820 | 249 | (i for i, stream in enumerate(streams) if traverse_obj(stream, keys, casesense=False) == value), |
06167fbb | 250 | None) |
251 | return num, len(streams) | |
252 | ||
165efb82 | 253 | def _get_real_video_duration(self, info, fatal=True): |
254 | try: | |
255 | if '_real_duration' not in info: | |
256 | info['_real_duration'] = float_or_none( | |
257 | traverse_obj(self.get_metadata_object(info['filepath']), ('format', 'duration'))) | |
258 | if not info['_real_duration']: | |
259 | raise PostProcessingError('ffprobe returned empty duration') | |
260 | except PostProcessingError as e: | |
261 | if fatal: | |
262 | raise PostProcessingError(f'Unable to determine video duration; {e}') | |
263 | return info.setdefault('_real_duration', None) | |
264 | ||
265 | def _duration_mismatch(self, d1, d2): | |
266 | if not d1 or not d2: | |
267 | return None | |
268 | return abs(d1 - d2) > 1 | |
269 | ||
00034c14 | 270 | def run_ffmpeg_multiple_files(self, input_paths, out_path, opts, **kwargs): |
e92caff5 | 271 | return self.real_run_ffmpeg( |
272 | [(path, []) for path in input_paths], | |
00034c14 | 273 | [(out_path, opts)], **kwargs) |
e92caff5 | 274 | |
00034c14 | 275 | def real_run_ffmpeg(self, input_path_opts, output_path_opts, *, expected_retcodes=(0,)): |
48844745 | 276 | self.check_version() |
496c1923 | 277 | |
52afb2ac | 278 | oldest_mtime = min( |
7dde84f3 | 279 | os.stat(encodeFilename(path)).st_mtime for path, _ in input_path_opts if path) |
43bc8890 | 280 | |
91b6c884 | 281 | cmd = [encodeFilename(self.executable, True), encodeArgument('-y')] |
ce52c7c1 S |
282 | # avconv does not have repeat option |
283 | if self.basename == 'ffmpeg': | |
284 | cmd += [encodeArgument('-loglevel'), encodeArgument('repeat+info')] | |
5b1ecbb3 | 285 | |
e92caff5 | 286 | def make_args(file, args, name, number): |
287 | keys = ['_%s%d' % (name, number), '_%s' % name] | |
288 | if name == 'o' and number == 1: | |
289 | keys.append('') | |
290 | args += self._configuration_args(self.basename, keys) | |
291 | if name == 'i': | |
292 | args.append('-i') | |
5b1ecbb3 | 293 | return ( |
e92caff5 | 294 | [encodeArgument(arg) for arg in args] |
5b1ecbb3 | 295 | + [encodeFilename(self._ffmpeg_filename_argument(file), True)]) |
296 | ||
e92caff5 | 297 | for arg_type, path_opts in (('i', input_path_opts), ('o', output_path_opts)): |
7dde84f3 | 298 | cmd += itertools.chain.from_iterable( |
299 | make_args(path, list(opts), arg_type, i + 1) | |
300 | for i, (path, opts) in enumerate(path_opts) if path) | |
496c1923 | 301 | |
f446cc66 | 302 | self.write_debug('ffmpeg command line: %s' % shell_quote(cmd)) |
d3c93ec2 | 303 | p = Popen(cmd, stdout=subprocess.PIPE, stderr=subprocess.PIPE, stdin=subprocess.PIPE) |
304 | stdout, stderr = p.communicate_or_kill() | |
00034c14 | 305 | if p.returncode not in variadic(expected_retcodes): |
06167fbb | 306 | stderr = stderr.decode('utf-8', 'replace').strip() |
b1940459 | 307 | self.write_debug(stderr) |
06167fbb | 308 | raise FFmpegPostProcessorError(stderr.split('\n')[-1]) |
e92caff5 | 309 | for out_path, _ in output_path_opts: |
7dde84f3 | 310 | if out_path: |
311 | self.try_utime(out_path, oldest_mtime, oldest_mtime) | |
06167fbb | 312 | return stderr.decode('utf-8', 'replace') |
cc55d088 | 313 | |
00034c14 | 314 | def run_ffmpeg(self, path, out_path, opts, **kwargs): |
315 | return self.run_ffmpeg_multiple_files([path], out_path, opts, **kwargs) | |
496c1923 | 316 | |
7a340e0d NA |
317 | @staticmethod |
318 | def _ffmpeg_filename_argument(fn): | |
8a7bbd16 JMF |
319 | # Always use 'file:' because the filename may contain ':' (ffmpeg |
320 | # interprets that as a protocol) or can start with '-' (-- is broken in | |
321 | # ffmpeg, see https://ffmpeg.org/trac/ffmpeg/ticket/2127 for details) | |
b9f2fdd3 | 322 | # Also leave '-' intact in order not to break streaming to stdout. |
06167fbb | 323 | if fn.startswith(('http://', 'https://')): |
324 | return fn | |
d868f43c | 325 | return 'file:' + fn if fn != '-' else fn |
496c1923 | 326 | |
7a340e0d NA |
327 | @staticmethod |
328 | def _quote_for_ffmpeg(string): | |
329 | # See https://ffmpeg.org/ffmpeg-utils.html#toc-Quoting-and-escaping | |
330 | # A sequence of '' produces '\'''\''; | |
331 | # final replace removes the empty '' between \' \'. | |
332 | string = string.replace("'", r"'\''").replace("'''", "'") | |
333 | # Handle potential ' at string boundaries. | |
334 | string = string[1:] if string[0] == "'" else "'" + string | |
335 | return string[:-1] if string[-1] == "'" else string + "'" | |
336 | ||
337 | def force_keyframes(self, filename, timestamps): | |
338 | timestamps = orderedSet(timestamps) | |
339 | if timestamps[0] == 0: | |
340 | timestamps = timestamps[1:] | |
341 | keyframe_file = prepend_extension(filename, 'keyframes.temp') | |
342 | self.to_screen(f'Re-encoding "{filename}" with appropriate keyframes') | |
343 | self.run_ffmpeg(filename, keyframe_file, ['-force_key_frames', ','.join( | |
344 | f'{t:.6f}' for t in timestamps)]) | |
345 | return keyframe_file | |
346 | ||
347 | def concat_files(self, in_files, out_file, concat_opts=None): | |
348 | """ | |
349 | Use concat demuxer to concatenate multiple files having identical streams. | |
350 | ||
351 | Only inpoint, outpoint, and duration concat options are supported. | |
352 | See https://ffmpeg.org/ffmpeg-formats.html#concat-1 for details | |
353 | """ | |
354 | concat_file = f'{out_file}.concat' | |
355 | self.write_debug(f'Writing concat spec to {concat_file}') | |
356 | with open(concat_file, 'wt', encoding='utf-8') as f: | |
357 | f.writelines(self._concat_spec(in_files, concat_opts)) | |
358 | ||
359 | out_flags = ['-c', 'copy'] | |
360 | if out_file.rpartition('.')[-1] in ('mp4', 'mov'): | |
361 | # For some reason, '-c copy' is not enough to copy subtitles | |
362 | out_flags.extend(['-c:s', 'mov_text', '-movflags', '+faststart']) | |
363 | ||
364 | try: | |
365 | self.real_run_ffmpeg( | |
366 | [(concat_file, ['-hide_banner', '-nostdin', '-f', 'concat', '-safe', '0'])], | |
367 | [(out_file, out_flags)]) | |
368 | finally: | |
369 | os.remove(concat_file) | |
370 | ||
371 | @classmethod | |
372 | def _concat_spec(cls, in_files, concat_opts=None): | |
373 | if concat_opts is None: | |
374 | concat_opts = [{}] * len(in_files) | |
375 | yield 'ffconcat version 1.0\n' | |
376 | for file, opts in zip(in_files, concat_opts): | |
377 | yield f'file {cls._quote_for_ffmpeg(cls._ffmpeg_filename_argument(file))}\n' | |
378 | # Iterate explicitly to yield the following directives in order, ignoring the rest. | |
379 | for directive in 'inpoint', 'outpoint', 'duration': | |
380 | if directive in opts: | |
381 | yield f'{directive} {opts[directive]}\n' | |
382 | ||
496c1923 PH |
383 | |
384 | class FFmpegExtractAudioPP(FFmpegPostProcessor): | |
81a23040 | 385 | COMMON_AUDIO_EXTS = ('wav', 'flac', 'm4a', 'aiff', 'mp3', 'ogg', 'mka', 'opus', 'wma') |
386 | SUPPORTED_EXTS = ('best', 'aac', 'flac', 'mp3', 'm4a', 'opus', 'vorbis', 'wav') | |
1de75fa1 | 387 | |
496c1923 PH |
388 | def __init__(self, downloader=None, preferredcodec=None, preferredquality=None, nopostoverwrites=False): |
389 | FFmpegPostProcessor.__init__(self, downloader) | |
81a23040 | 390 | self._preferredcodec = preferredcodec or 'best' |
31c49255 | 391 | self._preferredquality = float_or_none(preferredquality) |
496c1923 PH |
392 | self._nopostoverwrites = nopostoverwrites |
393 | ||
31c49255 | 394 | def _quality_args(self, codec): |
395 | if self._preferredquality is None: | |
396 | return [] | |
397 | elif self._preferredquality > 10: | |
398 | return ['-b:a', f'{self._preferredquality}k'] | |
399 | ||
400 | limits = { | |
401 | 'libmp3lame': (10, 0), | |
9af98e17 | 402 | # FFmpeg's AAC encoder does not have an upper limit for the value of -q:a. |
403 | # Experimentally, with values over 4, bitrate changes were minimal or non-existent | |
404 | 'aac': (0.1, 4), | |
31c49255 | 405 | 'vorbis': (0, 10), |
673c0057 | 406 | 'libfdk_aac': (1, 5), |
39c04074 | 407 | }.get(codec) |
31c49255 | 408 | if not limits: |
409 | return [] | |
410 | ||
411 | q = limits[1] + (limits[0] - limits[1]) * (self._preferredquality / 10) | |
673c0057 C |
412 | if codec == 'libfdk_aac': |
413 | return ['-vbr', f'{int(q)}'] | |
31c49255 | 414 | return ['-q:a', f'{q}'] |
415 | ||
496c1923 | 416 | def run_ffmpeg(self, path, out_path, codec, more_opts): |
496c1923 PH |
417 | if codec is None: |
418 | acodec_opts = [] | |
419 | else: | |
420 | acodec_opts = ['-acodec', codec] | |
421 | opts = ['-vn'] + acodec_opts + more_opts | |
422 | try: | |
423 | FFmpegPostProcessor.run_ffmpeg(self, path, out_path, opts) | |
424 | except FFmpegPostProcessorError as err: | |
425 | raise AudioConversionError(err.msg) | |
426 | ||
8326b00a | 427 | @PostProcessor._restrict_to(images=False) |
496c1923 PH |
428 | def run(self, information): |
429 | path = information['filepath'] | |
1de75fa1 | 430 | orig_ext = information['ext'] |
431 | ||
81a23040 | 432 | if self._preferredcodec == 'best' and orig_ext in self.COMMON_AUDIO_EXTS: |
1de75fa1 | 433 | self.to_screen('Skipping audio extraction since the file is already in a common audio format') |
55b53b33 | 434 | return [], information |
496c1923 PH |
435 | |
436 | filecodec = self.get_audio_codec(path) | |
437 | if filecodec is None: | |
3aa578ca | 438 | raise PostProcessingError('WARNING: unable to obtain file audio codec with ffprobe') |
496c1923 PH |
439 | |
440 | more_opts = [] | |
441 | if self._preferredcodec == 'best' or self._preferredcodec == filecodec or (self._preferredcodec == 'm4a' and filecodec == 'aac'): | |
442 | if filecodec == 'aac' and self._preferredcodec in ['m4a', 'best']: | |
443 | # Lossless, but in another container | |
444 | acodec = 'copy' | |
445 | extension = 'm4a' | |
467d3c9a | 446 | more_opts = ['-bsf:a', 'aac_adtstoasc'] |
21bfcd3d | 447 | elif filecodec in ['aac', 'flac', 'mp3', 'vorbis', 'opus']: |
496c1923 PH |
448 | # Lossless if possible |
449 | acodec = 'copy' | |
450 | extension = filecodec | |
451 | if filecodec == 'aac': | |
452 | more_opts = ['-f', 'adts'] | |
453 | if filecodec == 'vorbis': | |
454 | extension = 'ogg' | |
455 | else: | |
456 | # MP3 otherwise. | |
457 | acodec = 'libmp3lame' | |
458 | extension = 'mp3' | |
31c49255 | 459 | more_opts = self._quality_args(acodec) |
496c1923 | 460 | else: |
21bfcd3d PH |
461 | # We convert the audio (lossy if codec is lossy) |
462 | acodec = ACODECS[self._preferredcodec] | |
673c0057 C |
463 | if acodec == 'aac' and self._features.get('fdk'): |
464 | acodec = 'libfdk_aac' | |
496c1923 | 465 | extension = self._preferredcodec |
31c49255 | 466 | more_opts = self._quality_args(acodec) |
496c1923 PH |
467 | if self._preferredcodec == 'aac': |
468 | more_opts += ['-f', 'adts'] | |
469 | if self._preferredcodec == 'm4a': | |
467d3c9a | 470 | more_opts += ['-bsf:a', 'aac_adtstoasc'] |
496c1923 PH |
471 | if self._preferredcodec == 'vorbis': |
472 | extension = 'ogg' | |
473 | if self._preferredcodec == 'wav': | |
474 | extension = 'wav' | |
475 | more_opts += ['-f', 'wav'] | |
476 | ||
3aa578ca | 477 | prefix, sep, ext = path.rpartition('.') # not os.path.splitext, since the latter does not work on unicode in all setups |
496c1923 | 478 | new_path = prefix + sep + extension |
0b94dbb1 | 479 | |
2273e2c5 PM |
480 | information['filepath'] = new_path |
481 | information['ext'] = extension | |
496c1923 PH |
482 | |
483 | # If we download foo.mp3 and convert it to... foo.mp3, then don't delete foo.mp3, silly. | |
3089bc74 S |
484 | if (new_path == path |
485 | or (self._nopostoverwrites and os.path.exists(encodeFilename(new_path)))): | |
1b77b347 | 486 | self.to_screen('Post-process file %s exists, skipping' % new_path) |
592e97e8 | 487 | return [], information |
496c1923 PH |
488 | |
489 | try: | |
1b77b347 | 490 | self.to_screen('Destination: ' + new_path) |
ce81b141 | 491 | self.run_ffmpeg(path, new_path, acodec, more_opts) |
70a1165b JMF |
492 | except AudioConversionError as e: |
493 | raise PostProcessingError( | |
494 | 'audio conversion failed: ' + e.msg) | |
495 | except Exception: | |
496 | raise PostProcessingError('error running ' + self.basename) | |
496c1923 PH |
497 | |
498 | # Try to update the date time for extracted audio file. | |
499 | if information.get('filetime') is not None: | |
dd29eb7f S |
500 | self.try_utime( |
501 | new_path, time.time(), information['filetime'], | |
502 | errnote='Cannot update utime of audio file') | |
496c1923 | 503 | |
592e97e8 | 504 | return [path], information |
496c1923 PH |
505 | |
506 | ||
857f6313 | 507 | class FFmpegVideoConvertorPP(FFmpegPostProcessor): |
81a23040 | 508 | SUPPORTED_EXTS = ('mp4', 'mkv', 'flv', 'webm', 'mov', 'avi', 'mp3', 'mka', 'm4a', 'ogg', 'opus') |
509 | FORMAT_RE = re.compile(r'{0}(?:/{0})*$'.format(r'(?:\w+>)?(?:%s)' % '|'.join(SUPPORTED_EXTS))) | |
e6f21b3d | 510 | _ACTION = 'converting' |
857f6313 | 511 | |
efe87a10 | 512 | def __init__(self, downloader=None, preferedformat=None): |
857f6313 | 513 | super(FFmpegVideoConvertorPP, self).__init__(downloader) |
06167fbb | 514 | self._preferedformats = preferedformat.lower().split('/') |
efe87a10 | 515 | |
857f6313 | 516 | def _target_ext(self, source_ext): |
06167fbb | 517 | for pair in self._preferedformats: |
518 | kv = pair.split('>') | |
857f6313 | 519 | if len(kv) == 1 or kv[0].strip() == source_ext: |
520 | return kv[-1].strip() | |
06167fbb | 521 | |
857f6313 | 522 | @staticmethod |
523 | def _options(target_ext): | |
524 | if target_ext == 'avi': | |
525 | return ['-c:v', 'libxvid', '-vtag', 'XVID'] | |
526 | return [] | |
527 | ||
8326b00a | 528 | @PostProcessor._restrict_to(images=False) |
e6f21b3d | 529 | def run(self, info): |
530 | filename, source_ext = info['filepath'], info['ext'].lower() | |
81a23040 | 531 | target_ext = self._target_ext(source_ext) |
06167fbb | 532 | _skip_msg = ( |
e6f21b3d | 533 | f'could not find a mapping for {source_ext}' if not target_ext |
534 | else f'already is in target format {source_ext}' if source_ext == target_ext | |
06167fbb | 535 | else None) |
536 | if _skip_msg: | |
e6f21b3d | 537 | self.to_screen(f'Not {self._ACTION} media file {filename!r}; {_skip_msg}') |
538 | return [], info | |
06167fbb | 539 | |
e6f21b3d | 540 | outpath = replace_extension(filename, target_ext, source_ext) |
541 | self.to_screen(f'{self._ACTION.title()} video from {source_ext} to {target_ext}; Destination: {outpath}') | |
542 | self.run_ffmpeg(filename, outpath, self._options(target_ext)) | |
857f6313 | 543 | |
e6f21b3d | 544 | info['filepath'] = outpath |
545 | info['format'] = info['ext'] = target_ext | |
546 | return [filename], info | |
efe87a10 FS |
547 | |
548 | ||
857f6313 | 549 | class FFmpegVideoRemuxerPP(FFmpegVideoConvertorPP): |
e6f21b3d | 550 | _ACTION = 'remuxing' |
496c1923 | 551 | |
857f6313 | 552 | @staticmethod |
553 | def _options(target_ext): | |
554 | options = ['-c', 'copy', '-map', '0', '-dn'] | |
555 | if target_ext in ['mp4', 'm4a', 'mov']: | |
556 | options.extend(['-movflags', '+faststart']) | |
557 | return options | |
496c1923 PH |
558 | |
559 | ||
560 | class FFmpegEmbedSubtitlePP(FFmpegPostProcessor): | |
cffab0ee | 561 | def __init__(self, downloader=None, already_have_subtitle=False): |
562 | super(FFmpegEmbedSubtitlePP, self).__init__(downloader) | |
563 | self._already_have_subtitle = already_have_subtitle | |
564 | ||
8326b00a | 565 | @PostProcessor._restrict_to(images=False) |
496c1923 | 566 | def run(self, information): |
40025ee2 | 567 | if information['ext'] not in ('mp4', 'webm', 'mkv'): |
1b77b347 | 568 | self.to_screen('Subtitles can only be embedded in mp4, webm or mkv files') |
592e97e8 | 569 | return [], information |
c84dd8a9 JMF |
570 | subtitles = information.get('requested_subtitles') |
571 | if not subtitles: | |
1b77b347 | 572 | self.to_screen('There aren\'t any subtitles to embed') |
592e97e8 | 573 | return [], information |
496c1923 | 574 | |
496c1923 | 575 | filename = information['filepath'] |
1f2a268b | 576 | if information.get('duration') and self._duration_mismatch( |
165efb82 | 577 | self._get_real_video_duration(information, False), information['duration']): |
578 | self.to_screen(f'Skipping {self.pp_key()} since the real and expected durations mismatch') | |
579 | return [], information | |
40025ee2 S |
580 | |
581 | ext = information['ext'] | |
2412044c | 582 | sub_langs, sub_names, sub_filenames = [], [], [] |
40025ee2 | 583 | webm_vtt_warn = False |
06167fbb | 584 | mp4_ass_warn = False |
40025ee2 S |
585 | |
586 | for lang, sub_info in subtitles.items(): | |
a1c39673 | 587 | if not os.path.exists(sub_info.get('filepath', '')): |
8e25d624 | 588 | self.report_warning(f'Skipping embedding {lang} subtitle because the file is missing') |
589 | continue | |
40025ee2 | 590 | sub_ext = sub_info['ext'] |
503d4a44 | 591 | if sub_ext == 'json': |
06167fbb | 592 | self.report_warning('JSON subtitles cannot be embedded') |
503d4a44 | 593 | elif ext != 'webm' or ext == 'webm' and sub_ext == 'vtt': |
40025ee2 | 594 | sub_langs.append(lang) |
2412044c | 595 | sub_names.append(sub_info.get('name')) |
dcf64d43 | 596 | sub_filenames.append(sub_info['filepath']) |
40025ee2 S |
597 | else: |
598 | if not webm_vtt_warn and ext == 'webm' and sub_ext != 'vtt': | |
599 | webm_vtt_warn = True | |
06167fbb | 600 | self.report_warning('Only WebVTT subtitles can be embedded in webm files') |
601 | if not mp4_ass_warn and ext == 'mp4' and sub_ext == 'ass': | |
602 | mp4_ass_warn = True | |
603 | self.report_warning('ASS subtitles cannot be properly embedded in mp4 files; expect issues') | |
40025ee2 S |
604 | |
605 | if not sub_langs: | |
606 | return [], information | |
607 | ||
14523ed9 | 608 | input_files = [filename] + sub_filenames |
496c1923 | 609 | |
e205db3b | 610 | opts = [ |
e0da59fe | 611 | '-c', 'copy', '-map', '0', '-dn', |
e205db3b JMF |
612 | # Don't copy the existing subtitles, we may be running the |
613 | # postprocessor a second time | |
614 | '-map', '-0:s', | |
7f903dd8 T |
615 | # Don't copy Apple TV chapters track, bin_data (see #19042, #19024, |
616 | # https://trac.ffmpeg.org/ticket/6016) | |
617 | '-map', '-0:d', | |
e205db3b | 618 | ] |
083c1bb9 N |
619 | if information['ext'] == 'mp4': |
620 | opts += ['-c:s', 'mov_text'] | |
2412044c | 621 | for i, (lang, name) in enumerate(zip(sub_langs, sub_names)): |
2875cf01 | 622 | opts.extend(['-map', '%d:0' % (i + 1)]) |
04fb6928 S |
623 | lang_code = ISO639Utils.short2long(lang) or lang |
624 | opts.extend(['-metadata:s:s:%d' % i, 'language=%s' % lang_code]) | |
2412044c | 625 | if name: |
626 | opts.extend(['-metadata:s:s:%d' % i, 'handler_name=%s' % name, | |
627 | '-metadata:s:s:%d' % i, 'title=%s' % name]) | |
496c1923 | 628 | |
2875cf01 | 629 | temp_filename = prepend_extension(filename, 'temp') |
06167fbb | 630 | self.to_screen('Embedding subtitles in "%s"' % filename) |
496c1923 | 631 | self.run_ffmpeg_multiple_files(input_files, temp_filename, opts) |
d75201a8 | 632 | os.replace(temp_filename, filename) |
496c1923 | 633 | |
cffab0ee | 634 | files_to_delete = [] if self._already_have_subtitle else sub_filenames |
635 | return files_to_delete, information | |
496c1923 PH |
636 | |
637 | ||
638 | class FFmpegMetadataPP(FFmpegPostProcessor): | |
7dde84f3 | 639 | |
dac5df5a | 640 | def __init__(self, downloader, add_metadata=True, add_chapters=True, add_infojson='if_exists'): |
7a340e0d NA |
641 | FFmpegPostProcessor.__init__(self, downloader) |
642 | self._add_metadata = add_metadata | |
643 | self._add_chapters = add_chapters | |
dac5df5a | 644 | self._add_infojson = add_infojson |
7a340e0d | 645 | |
7dde84f3 | 646 | @staticmethod |
647 | def _options(target_ext): | |
648 | yield from ('-map', '0', '-dn') | |
649 | if target_ext == 'm4a': | |
650 | yield from ('-vn', '-acodec', 'copy') | |
651 | else: | |
652 | yield from ('-c', 'copy') | |
653 | ||
8326b00a | 654 | @PostProcessor._restrict_to(images=False) |
496c1923 | 655 | def run(self, info): |
7a340e0d | 656 | filename, metadata_filename = info['filepath'], None |
dac5df5a | 657 | files_to_delete, options = [], [] |
7a340e0d NA |
658 | if self._add_chapters and info.get('chapters'): |
659 | metadata_filename = replace_extension(filename, 'meta') | |
660 | options.extend(self._get_chapter_opts(info['chapters'], metadata_filename)) | |
dac5df5a | 661 | files_to_delete.append(metadata_filename) |
7a340e0d NA |
662 | if self._add_metadata: |
663 | options.extend(self._get_metadata_opts(info)) | |
664 | ||
dac5df5a | 665 | if self._add_infojson: |
666 | if info['ext'] in ('mkv', 'mka'): | |
667 | infojson_filename = info.get('infojson_filename') | |
668 | options.extend(self._get_infojson_opts(info, infojson_filename)) | |
669 | if not infojson_filename: | |
670 | files_to_delete.append(info.get('infojson_filename')) | |
671 | elif self._add_infojson is True: | |
672 | self.to_screen('The info-json can only be attached to mkv/mka files') | |
673 | ||
7a340e0d NA |
674 | if not options: |
675 | self.to_screen('There isn\'t any metadata to add') | |
676 | return [], info | |
677 | ||
678 | temp_filename = prepend_extension(filename, 'temp') | |
679 | self.to_screen('Adding metadata to "%s"' % filename) | |
680 | self.run_ffmpeg_multiple_files( | |
681 | (filename, metadata_filename), temp_filename, | |
682 | itertools.chain(self._options(info['ext']), *options)) | |
dac5df5a | 683 | for file in filter(None, files_to_delete): |
684 | os.remove(file) # Don't obey --keep-files | |
7a340e0d NA |
685 | os.replace(temp_filename, filename) |
686 | return [], info | |
687 | ||
688 | @staticmethod | |
689 | def _get_chapter_opts(chapters, metadata_filename): | |
690 | with io.open(metadata_filename, 'wt', encoding='utf-8') as f: | |
691 | def ffmpeg_escape(text): | |
692 | return re.sub(r'([\\=;#\n])', r'\\\1', text) | |
693 | ||
694 | metadata_file_content = ';FFMETADATA1\n' | |
695 | for chapter in chapters: | |
696 | metadata_file_content += '[CHAPTER]\nTIMEBASE=1/1000\n' | |
697 | metadata_file_content += 'START=%d\n' % (chapter['start_time'] * 1000) | |
698 | metadata_file_content += 'END=%d\n' % (chapter['end_time'] * 1000) | |
699 | chapter_title = chapter.get('title') | |
700 | if chapter_title: | |
701 | metadata_file_content += 'title=%s\n' % ffmpeg_escape(chapter_title) | |
702 | f.write(metadata_file_content) | |
703 | yield ('-map_metadata', '1') | |
704 | ||
705 | def _get_metadata_opts(self, info): | |
496c1923 | 706 | metadata = {} |
b11d2101 | 707 | meta_prefix = 'meta_' |
4bd143a3 S |
708 | |
709 | def add(meta_list, info_list=None): | |
b11d2101 | 710 | value = next(( |
711 | str(info[key]) for key in [meta_prefix] + list(variadic(info_list or meta_list)) | |
712 | if info.get(key) is not None), None) | |
713 | if value not in ('', None): | |
714 | metadata.update({meta_f: value for meta_f in variadic(meta_list)}) | |
4bd143a3 | 715 | |
2791e80b S |
716 | # See [1-4] for some info on media metadata/metadata supported |
717 | # by ffmpeg. | |
718 | # 1. https://kdenlive.org/en/project/adding-meta-data-to-mp4-video/ | |
719 | # 2. https://wiki.multimedia.cx/index.php/FFmpeg_Metadata | |
720 | # 3. https://kodi.wiki/view/Video_file_tagging | |
2791e80b | 721 | |
4bd143a3 S |
722 | add('title', ('track', 'title')) |
723 | add('date', 'upload_date') | |
cd9b384c | 724 | add(('description', 'synopsis'), 'description') |
725 | add(('purl', 'comment'), 'webpage_url') | |
4bd143a3 S |
726 | add('track', 'track_number') |
727 | add('artist', ('artist', 'creator', 'uploader', 'uploader_id')) | |
728 | add('genre') | |
729 | add('album') | |
730 | add('album_artist') | |
731 | add('disc', 'disc_number') | |
2791e80b S |
732 | add('show', 'series') |
733 | add('season_number') | |
734 | add('episode_id', ('episode', 'episode_id')) | |
735 | add('episode_sort', 'episode_number') | |
f279aaee | 736 | if 'embed-metadata' in self.get_param('compat_opts', []): |
737 | add('comment', 'description') | |
738 | metadata.pop('synopsis', None) | |
496c1923 | 739 | |
b11d2101 | 740 | for key, value in info.items(): |
741 | if value is not None and key != meta_prefix and key.startswith(meta_prefix): | |
742 | metadata[key[len(meta_prefix):]] = value | |
84601bb7 | 743 | |
7a340e0d NA |
744 | for name, value in metadata.items(): |
745 | yield ('-metadata', f'{name}={value}') | |
39c68260 | 746 | |
7dde84f3 | 747 | stream_idx = 0 |
748 | for fmt in info.get('requested_formats') or []: | |
749 | stream_count = 2 if 'none' not in (fmt.get('vcodec'), fmt.get('acodec')) else 1 | |
750 | if fmt.get('language'): | |
751 | lang = ISO639Utils.short2long(fmt['language']) or fmt['language'] | |
7a340e0d NA |
752 | for i in range(stream_count): |
753 | yield ('-metadata:s:%d' % (stream_idx + i), 'language=%s' % lang) | |
7dde84f3 | 754 | stream_idx += stream_count |
496c1923 | 755 | |
dac5df5a | 756 | def _get_infojson_opts(self, info, infofn): |
757 | if not infofn or not os.path.exists(infofn): | |
758 | if self._add_infojson is not True: | |
759 | return | |
760 | infofn = infofn or '%s.temp' % ( | |
761 | self._downloader.prepare_filename(info, 'infojson') | |
762 | or replace_extension(self._downloader.prepare_filename(info), 'info.json', info['ext'])) | |
763 | if not self._downloader._ensure_dir_exists(infofn): | |
764 | return | |
765 | self.write_debug(f'Writing info-json to: {infofn}') | |
766 | write_json_file(self._downloader.sanitize_info(info, self.get_param('clean_infojson', True)), infofn) | |
767 | info['infojson_filename'] = infofn | |
768 | ||
769 | old_stream, new_stream = self.get_stream_number(info['filepath'], ('tags', 'mimetype'), 'application/json') | |
770 | if old_stream is not None: | |
771 | yield ('-map', '-0:%d' % old_stream) | |
772 | new_stream -= 1 | |
06167fbb | 773 | |
dac5df5a | 774 | yield ('-attach', infofn, |
775 | '-metadata:s:%d' % new_stream, 'mimetype=application/json') | |
496c1923 PH |
776 | |
777 | ||
778 | class FFmpegMergerPP(FFmpegPostProcessor): | |
8326b00a | 779 | @PostProcessor._restrict_to(images=False) |
496c1923 PH |
780 | def run(self, info): |
781 | filename = info['filepath'] | |
5b5fbc08 | 782 | temp_filename = prepend_extension(filename, 'temp') |
d03cfdce | 783 | args = ['-c', 'copy'] |
50eff38c | 784 | audio_streams = 0 |
d03cfdce | 785 | for (i, fmt) in enumerate(info['requested_formats']): |
786 | if fmt.get('acodec') != 'none': | |
a21e0ab1 | 787 | args.extend(['-map', f'{i}:a:0']) |
9dda99f2 | 788 | aac_fixup = fmt['protocol'].startswith('m3u8') and self.get_audio_codec(fmt['filepath']) == 'aac' |
789 | if aac_fixup: | |
50eff38c | 790 | args.extend([f'-bsf:a:{audio_streams}', 'aac_adtstoasc']) |
791 | audio_streams += 1 | |
d03cfdce | 792 | if fmt.get('vcodec') != 'none': |
793 | args.extend(['-map', '%u:v:0' % (i)]) | |
1b77b347 | 794 | self.to_screen('Merging formats into "%s"' % filename) |
5b5fbc08 JMF |
795 | self.run_ffmpeg_multiple_files(info['__files_to_merge'], temp_filename, args) |
796 | os.rename(encodeFilename(temp_filename), encodeFilename(filename)) | |
d47aeb22 | 797 | return info['__files_to_merge'], info |
496c1923 | 798 | |
13763ce5 S |
799 | def can_merge(self): |
800 | # TODO: figure out merge-capable ffmpeg version | |
801 | if self.basename != 'avconv': | |
802 | return True | |
803 | ||
804 | required_version = '10-0' | |
805 | if is_outdated_version( | |
806 | self._versions[self.basename], required_version): | |
807 | warning = ('Your copy of %s is outdated and unable to properly mux separate video and audio files, ' | |
7a5c1cfe | 808 | 'yt-dlp will download single file media. ' |
13763ce5 S |
809 | 'Update %s to version %s or newer to fix this.') % ( |
810 | self.basename, self.basename, required_version) | |
f446cc66 | 811 | self.report_warning(warning) |
13763ce5 S |
812 | return False |
813 | return True | |
814 | ||
0c14e2fb | 815 | |
fd7cfb64 | 816 | class FFmpegFixupPostProcessor(FFmpegPostProcessor): |
817 | def _fixup(self, msg, filename, options): | |
6271f1ca PH |
818 | temp_filename = prepend_extension(filename, 'temp') |
819 | ||
f89b3e2d | 820 | self.to_screen(f'{msg} of "{filename}"') |
6271f1ca PH |
821 | self.run_ffmpeg(filename, temp_filename, options) |
822 | ||
d75201a8 | 823 | os.replace(temp_filename, filename) |
6271f1ca | 824 | |
fd7cfb64 | 825 | |
826 | class FFmpegFixupStretchedPP(FFmpegFixupPostProcessor): | |
827 | @PostProcessor._restrict_to(images=False, audio=False) | |
828 | def run(self, info): | |
829 | stretched_ratio = info.get('stretched_ratio') | |
830 | if stretched_ratio not in (None, 1): | |
831 | self._fixup('Fixing aspect ratio', info['filepath'], [ | |
832 | '-c', 'copy', '-map', '0', '-dn', '-aspect', '%f' % stretched_ratio]) | |
592e97e8 | 833 | return [], info |
62cd676c PH |
834 | |
835 | ||
fd7cfb64 | 836 | class FFmpegFixupM4aPP(FFmpegFixupPostProcessor): |
8326b00a | 837 | @PostProcessor._restrict_to(images=False, video=False) |
62cd676c | 838 | def run(self, info): |
fd7cfb64 | 839 | if info.get('container') == 'm4a_dash': |
840 | self._fixup('Correcting container', info['filepath'], [ | |
841 | '-c', 'copy', '-map', '0', '-dn', '-f', 'mp4']) | |
592e97e8 | 842 | return [], info |
e9fade72 JMF |
843 | |
844 | ||
fd7cfb64 | 845 | class FFmpegFixupM3u8PP(FFmpegFixupPostProcessor): |
8326b00a | 846 | @PostProcessor._restrict_to(images=False) |
f17f8651 | 847 | def run(self, info): |
fd7cfb64 | 848 | if self.get_audio_codec(info['filepath']) == 'aac': |
849 | self._fixup('Fixing malformed AAC bitstream', info['filepath'], [ | |
850 | '-c', 'copy', '-map', '0', '-dn', '-f', 'mp4', '-bsf:a', 'aac_adtstoasc']) | |
f17f8651 | 851 | return [], info |
852 | ||
853 | ||
e36d50c5 | 854 | class FFmpegFixupTimestampPP(FFmpegFixupPostProcessor): |
855 | ||
856 | def __init__(self, downloader=None, trim=0.001): | |
857 | # "trim" should be used when the video contains unintended packets | |
858 | super(FFmpegFixupTimestampPP, self).__init__(downloader) | |
859 | assert isinstance(trim, (int, float)) | |
860 | self.trim = str(trim) | |
861 | ||
862 | @PostProcessor._restrict_to(images=False) | |
863 | def run(self, info): | |
832e9000 | 864 | if not self._features.get('setts'): |
e36d50c5 | 865 | self.report_warning( |
866 | 'A re-encode is needed to fix timestamps in older versions of ffmpeg. ' | |
832e9000 | 867 | 'Please install ffmpeg 4.4 or later to fixup without re-encoding') |
e36d50c5 | 868 | opts = ['-vf', 'setpts=PTS-STARTPTS'] |
869 | else: | |
870 | opts = ['-c', 'copy', '-bsf', 'setts=ts=TS-STARTPTS'] | |
871 | self._fixup('Fixing frame timestamp', info['filepath'], opts + ['-map', '0', '-dn', '-ss', self.trim]) | |
872 | return [], info | |
873 | ||
874 | ||
875 | class FFmpegFixupDurationPP(FFmpegFixupPostProcessor): | |
876 | @PostProcessor._restrict_to(images=False) | |
877 | def run(self, info): | |
878 | self._fixup('Fixing video duration', info['filepath'], ['-c', 'copy', '-map', '0', '-dn']) | |
879 | return [], info | |
880 | ||
881 | ||
e9fade72 | 882 | class FFmpegSubtitlesConvertorPP(FFmpegPostProcessor): |
81a23040 | 883 | SUPPORTED_EXTS = ('srt', 'vtt', 'ass', 'lrc') |
884 | ||
e9fade72 JMF |
885 | def __init__(self, downloader=None, format=None): |
886 | super(FFmpegSubtitlesConvertorPP, self).__init__(downloader) | |
887 | self.format = format | |
888 | ||
889 | def run(self, info): | |
890 | subs = info.get('requested_subtitles') | |
e9fade72 JMF |
891 | new_ext = self.format |
892 | new_format = new_ext | |
893 | if new_format == 'vtt': | |
894 | new_format = 'webvtt' | |
895 | if subs is None: | |
1b77b347 | 896 | self.to_screen('There aren\'t any subtitles to convert') |
592e97e8 | 897 | return [], info |
1b77b347 | 898 | self.to_screen('Converting subtitles') |
e04398e3 | 899 | sub_filenames = [] |
e9fade72 | 900 | for lang, sub in subs.items(): |
a1c39673 | 901 | if not os.path.exists(sub.get('filepath', '')): |
902 | self.report_warning(f'Skipping embedding {lang} subtitle because the file is missing') | |
903 | continue | |
e9fade72 JMF |
904 | ext = sub['ext'] |
905 | if ext == new_ext: | |
1b77b347 | 906 | self.to_screen('Subtitle file for %s is already in the requested format' % new_ext) |
e9fade72 | 907 | continue |
503d4a44 | 908 | elif ext == 'json': |
1b77b347 | 909 | self.to_screen( |
910 | 'You have requested to convert json subtitles into another format, ' | |
503d4a44 | 911 | 'which is currently not possible') |
912 | continue | |
dcf64d43 | 913 | old_file = sub['filepath'] |
e04398e3 | 914 | sub_filenames.append(old_file) |
dcf64d43 | 915 | new_file = replace_extension(old_file, new_ext) |
bf6427d2 | 916 | |
40fcba5e | 917 | if ext in ('dfxp', 'ttml', 'tt'): |
f446cc66 | 918 | self.report_warning( |
1b77b347 | 919 | 'You have requested to convert dfxp (TTML) subtitles into another format, ' |
bf6427d2 YCH |
920 | 'which results in style information loss') |
921 | ||
e04398e3 | 922 | dfxp_file = old_file |
dcf64d43 | 923 | srt_file = replace_extension(old_file, 'srt') |
bf6427d2 | 924 | |
3869028f | 925 | with open(dfxp_file, 'rb') as f: |
bf6427d2 YCH |
926 | srt_data = dfxp2srt(f.read()) |
927 | ||
928 | with io.open(srt_file, 'wt', encoding='utf-8') as f: | |
929 | f.write(srt_data) | |
7e62c2eb | 930 | old_file = srt_file |
bf6427d2 | 931 | |
bf6427d2 YCH |
932 | subs[lang] = { |
933 | 'ext': 'srt', | |
dcf64d43 | 934 | 'data': srt_data, |
935 | 'filepath': srt_file, | |
bf6427d2 YCH |
936 | } |
937 | ||
938 | if new_ext == 'srt': | |
939 | continue | |
7b8b007c JMF |
940 | else: |
941 | sub_filenames.append(srt_file) | |
bf6427d2 | 942 | |
e04398e3 | 943 | self.run_ffmpeg(old_file, new_file, ['-f', new_format]) |
e9fade72 JMF |
944 | |
945 | with io.open(new_file, 'rt', encoding='utf-8') as f: | |
946 | subs[lang] = { | |
3547d265 | 947 | 'ext': new_ext, |
e9fade72 | 948 | 'data': f.read(), |
dcf64d43 | 949 | 'filepath': new_file, |
e9fade72 JMF |
950 | } |
951 | ||
dcf64d43 | 952 | info['__files_to_move'][new_file] = replace_extension( |
37242e56 | 953 | info['__files_to_move'][sub['filepath']], new_ext) |
dcf64d43 | 954 | |
e04398e3 | 955 | return sub_filenames, info |
72755351 | 956 | |
957 | ||
958 | class FFmpegSplitChaptersPP(FFmpegPostProcessor): | |
7a340e0d NA |
959 | def __init__(self, downloader, force_keyframes=False): |
960 | FFmpegPostProcessor.__init__(self, downloader) | |
961 | self._force_keyframes = force_keyframes | |
72755351 | 962 | |
963 | def _prepare_filename(self, number, chapter, info): | |
964 | info = info.copy() | |
965 | info.update({ | |
966 | 'section_number': number, | |
967 | 'section_title': chapter.get('title'), | |
968 | 'section_start': chapter.get('start_time'), | |
969 | 'section_end': chapter.get('end_time'), | |
970 | }) | |
971 | return self._downloader.prepare_filename(info, 'chapter') | |
972 | ||
973 | def _ffmpeg_args_for_chapter(self, number, chapter, info): | |
974 | destination = self._prepare_filename(number, chapter, info) | |
975 | if not self._downloader._ensure_dir_exists(encodeFilename(destination)): | |
976 | return | |
977 | ||
dcf64d43 | 978 | chapter['filepath'] = destination |
72755351 | 979 | self.to_screen('Chapter %03d; Destination: %s' % (number, destination)) |
980 | return ( | |
981 | destination, | |
982 | ['-ss', compat_str(chapter['start_time']), | |
a94bfd6c | 983 | '-t', compat_str(chapter['end_time'] - chapter['start_time'])]) |
72755351 | 984 | |
8326b00a | 985 | @PostProcessor._restrict_to(images=False) |
72755351 | 986 | def run(self, info): |
987 | chapters = info.get('chapters') or [] | |
988 | if not chapters: | |
7a340e0d | 989 | self.to_screen('Chapter information is unavailable') |
72755351 | 990 | return [], info |
991 | ||
7a340e0d NA |
992 | in_file = info['filepath'] |
993 | if self._force_keyframes and len(chapters) > 1: | |
994 | in_file = self.force_keyframes(in_file, (c['start_time'] for c in chapters)) | |
72755351 | 995 | self.to_screen('Splitting video by chapters; %d chapters found' % len(chapters)) |
996 | for idx, chapter in enumerate(chapters): | |
997 | destination, opts = self._ffmpeg_args_for_chapter(idx + 1, chapter, info) | |
7a340e0d NA |
998 | self.real_run_ffmpeg([(in_file, opts)], [(destination, ['-c', 'copy'])]) |
999 | if in_file != info['filepath']: | |
1000 | os.remove(in_file) | |
72755351 | 1001 | return [], info |
8fa43c73 | 1002 | |
1003 | ||
1004 | class FFmpegThumbnailsConvertorPP(FFmpegPostProcessor): | |
81a23040 | 1005 | SUPPORTED_EXTS = ('jpg', 'png') |
1006 | ||
8fa43c73 | 1007 | def __init__(self, downloader=None, format=None): |
1008 | super(FFmpegThumbnailsConvertorPP, self).__init__(downloader) | |
1009 | self.format = format | |
1010 | ||
1011 | @staticmethod | |
1012 | def is_webp(path): | |
1013 | with open(encodeFilename(path), 'rb') as f: | |
1014 | b = f.read(12) | |
1015 | return b[0:4] == b'RIFF' and b[8:] == b'WEBP' | |
1016 | ||
1017 | def fixup_webp(self, info, idx=-1): | |
1018 | thumbnail_filename = info['thumbnails'][idx]['filepath'] | |
1019 | _, thumbnail_ext = os.path.splitext(thumbnail_filename) | |
1020 | if thumbnail_ext: | |
1021 | thumbnail_ext = thumbnail_ext[1:].lower() | |
1022 | if thumbnail_ext != 'webp' and self.is_webp(thumbnail_filename): | |
1023 | self.to_screen('Correcting thumbnail "%s" extension to webp' % thumbnail_filename) | |
1024 | webp_filename = replace_extension(thumbnail_filename, 'webp') | |
d75201a8 | 1025 | os.replace(thumbnail_filename, webp_filename) |
8fa43c73 | 1026 | info['thumbnails'][idx]['filepath'] = webp_filename |
1027 | info['__files_to_move'][webp_filename] = replace_extension( | |
1028 | info['__files_to_move'].pop(thumbnail_filename), 'webp') | |
1029 | ||
81a23040 | 1030 | @staticmethod |
1031 | def _options(target_ext): | |
1032 | if target_ext == 'jpg': | |
1033 | return ['-bsf:v', 'mjpeg2jpeg'] | |
1034 | return [] | |
1035 | ||
1036 | def convert_thumbnail(self, thumbnail_filename, target_ext): | |
81a23040 | 1037 | thumbnail_conv_filename = replace_extension(thumbnail_filename, target_ext) |
337e0c62 | 1038 | |
1039 | self.to_screen('Converting thumbnail "%s" to %s' % (thumbnail_filename, target_ext)) | |
1040 | self.real_run_ffmpeg( | |
1041 | [(thumbnail_filename, ['-f', 'image2', '-pattern_type', 'none'])], | |
1042 | [(thumbnail_conv_filename.replace('%', '%%'), self._options(target_ext))]) | |
a927acb1 | 1043 | return thumbnail_conv_filename |
8fa43c73 | 1044 | |
1045 | def run(self, info): | |
8fa43c73 | 1046 | files_to_delete = [] |
1047 | has_thumbnail = False | |
1048 | ||
1049 | for idx, thumbnail_dict in enumerate(info['thumbnails']): | |
1050 | if 'filepath' not in thumbnail_dict: | |
1051 | continue | |
1052 | has_thumbnail = True | |
1053 | self.fixup_webp(info, idx) | |
1054 | original_thumbnail = thumbnail_dict['filepath'] | |
1055 | _, thumbnail_ext = os.path.splitext(original_thumbnail) | |
1056 | if thumbnail_ext: | |
1057 | thumbnail_ext = thumbnail_ext[1:].lower() | |
15a4fd53 | 1058 | if thumbnail_ext == 'jpeg': |
1059 | thumbnail_ext = 'jpg' | |
8fa43c73 | 1060 | if thumbnail_ext == self.format: |
1061 | self.to_screen('Thumbnail "%s" is already in the requested format' % original_thumbnail) | |
1062 | continue | |
1063 | thumbnail_dict['filepath'] = self.convert_thumbnail(original_thumbnail, self.format) | |
1064 | files_to_delete.append(original_thumbnail) | |
1065 | info['__files_to_move'][thumbnail_dict['filepath']] = replace_extension( | |
1066 | info['__files_to_move'][original_thumbnail], self.format) | |
1067 | ||
1068 | if not has_thumbnail: | |
1069 | self.to_screen('There aren\'t any thumbnails to convert') | |
1070 | return files_to_delete, info |