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1 | import enum | |
2 | import os.path | |
3 | import re | |
4 | import subprocess | |
5 | import sys | |
6 | import time | |
7 | ||
8 | from .fragment import FragmentFD | |
9 | from ..compat import functools # isort: split | |
10 | from ..compat import compat_setenv | |
11 | from ..postprocessor.ffmpeg import EXT_TO_OUT_FORMATS, FFmpegPostProcessor | |
12 | from ..utils import ( | |
13 | Popen, | |
14 | _configuration_args, | |
15 | check_executable, | |
16 | classproperty, | |
17 | cli_bool_option, | |
18 | cli_option, | |
19 | cli_valueless_option, | |
20 | determine_ext, | |
21 | encodeArgument, | |
22 | encodeFilename, | |
23 | handle_youtubedl_headers, | |
24 | remove_end, | |
25 | traverse_obj, | |
26 | ) | |
27 | ||
28 | ||
29 | class Features(enum.Enum): | |
30 | TO_STDOUT = enum.auto() | |
31 | MULTIPLE_FORMATS = enum.auto() | |
32 | ||
33 | ||
34 | class ExternalFD(FragmentFD): | |
35 | SUPPORTED_PROTOCOLS = ('http', 'https', 'ftp', 'ftps') | |
36 | SUPPORTED_FEATURES = () | |
37 | ||
38 | def real_download(self, filename, info_dict): | |
39 | self.report_destination(filename) | |
40 | tmpfilename = self.temp_name(filename) | |
41 | ||
42 | try: | |
43 | started = time.time() | |
44 | retval = self._call_downloader(tmpfilename, info_dict) | |
45 | except KeyboardInterrupt: | |
46 | if not info_dict.get('is_live'): | |
47 | raise | |
48 | # Live stream downloading cancellation should be considered as | |
49 | # correct and expected termination thus all postprocessing | |
50 | # should take place | |
51 | retval = 0 | |
52 | self.to_screen('[%s] Interrupted by user' % self.get_basename()) | |
53 | ||
54 | if retval == 0: | |
55 | status = { | |
56 | 'filename': filename, | |
57 | 'status': 'finished', | |
58 | 'elapsed': time.time() - started, | |
59 | } | |
60 | if filename != '-': | |
61 | fsize = os.path.getsize(encodeFilename(tmpfilename)) | |
62 | self.to_screen(f'\r[{self.get_basename()}] Downloaded {fsize} bytes') | |
63 | self.try_rename(tmpfilename, filename) | |
64 | status.update({ | |
65 | 'downloaded_bytes': fsize, | |
66 | 'total_bytes': fsize, | |
67 | }) | |
68 | self._hook_progress(status, info_dict) | |
69 | return True | |
70 | else: | |
71 | self.to_stderr('\n') | |
72 | self.report_error('%s exited with code %d' % ( | |
73 | self.get_basename(), retval)) | |
74 | return False | |
75 | ||
76 | @classmethod | |
77 | def get_basename(cls): | |
78 | return cls.__name__[:-2].lower() | |
79 | ||
80 | @classproperty | |
81 | def EXE_NAME(cls): | |
82 | return cls.get_basename() | |
83 | ||
84 | @functools.cached_property | |
85 | def exe(self): | |
86 | return self.EXE_NAME | |
87 | ||
88 | @classmethod | |
89 | def available(cls, path=None): | |
90 | path = check_executable( | |
91 | cls.EXE_NAME if path in (None, cls.get_basename()) else path, | |
92 | [cls.AVAILABLE_OPT]) | |
93 | if not path: | |
94 | return False | |
95 | cls.exe = path | |
96 | return path | |
97 | ||
98 | @classmethod | |
99 | def supports(cls, info_dict): | |
100 | return all(( | |
101 | not info_dict.get('to_stdout') or Features.TO_STDOUT in cls.SUPPORTED_FEATURES, | |
102 | '+' not in info_dict['protocol'] or Features.MULTIPLE_FORMATS in cls.SUPPORTED_FEATURES, | |
103 | all(proto in cls.SUPPORTED_PROTOCOLS for proto in info_dict['protocol'].split('+')), | |
104 | )) | |
105 | ||
106 | @classmethod | |
107 | def can_download(cls, info_dict, path=None): | |
108 | return cls.available(path) and cls.supports(info_dict) | |
109 | ||
110 | def _option(self, command_option, param): | |
111 | return cli_option(self.params, command_option, param) | |
112 | ||
113 | def _bool_option(self, command_option, param, true_value='true', false_value='false', separator=None): | |
114 | return cli_bool_option(self.params, command_option, param, true_value, false_value, separator) | |
115 | ||
116 | def _valueless_option(self, command_option, param, expected_value=True): | |
117 | return cli_valueless_option(self.params, command_option, param, expected_value) | |
118 | ||
119 | def _configuration_args(self, keys=None, *args, **kwargs): | |
120 | return _configuration_args( | |
121 | self.get_basename(), self.params.get('external_downloader_args'), self.EXE_NAME, | |
122 | keys, *args, **kwargs) | |
123 | ||
124 | def _call_downloader(self, tmpfilename, info_dict): | |
125 | """ Either overwrite this or implement _make_cmd """ | |
126 | cmd = [encodeArgument(a) for a in self._make_cmd(tmpfilename, info_dict)] | |
127 | ||
128 | self._debug_cmd(cmd) | |
129 | ||
130 | if 'fragments' not in info_dict: | |
131 | p = Popen(cmd, stderr=subprocess.PIPE) | |
132 | _, stderr = p.communicate_or_kill() | |
133 | if p.returncode != 0: | |
134 | self.to_stderr(stderr.decode('utf-8', 'replace')) | |
135 | return p.returncode | |
136 | ||
137 | fragment_retries = self.params.get('fragment_retries', 0) | |
138 | skip_unavailable_fragments = self.params.get('skip_unavailable_fragments', True) | |
139 | ||
140 | count = 0 | |
141 | while count <= fragment_retries: | |
142 | p = Popen(cmd, stderr=subprocess.PIPE) | |
143 | _, stderr = p.communicate_or_kill() | |
144 | if p.returncode == 0: | |
145 | break | |
146 | # TODO: Decide whether to retry based on error code | |
147 | # https://aria2.github.io/manual/en/html/aria2c.html#exit-status | |
148 | self.to_stderr(stderr.decode('utf-8', 'replace')) | |
149 | count += 1 | |
150 | if count <= fragment_retries: | |
151 | self.to_screen( | |
152 | '[%s] Got error. Retrying fragments (attempt %d of %s)...' | |
153 | % (self.get_basename(), count, self.format_retries(fragment_retries))) | |
154 | self.sleep_retry('fragment', count) | |
155 | if count > fragment_retries: | |
156 | if not skip_unavailable_fragments: | |
157 | self.report_error('Giving up after %s fragment retries' % fragment_retries) | |
158 | return -1 | |
159 | ||
160 | decrypt_fragment = self.decrypter(info_dict) | |
161 | dest, _ = self.sanitize_open(tmpfilename, 'wb') | |
162 | for frag_index, fragment in enumerate(info_dict['fragments']): | |
163 | fragment_filename = '%s-Frag%d' % (tmpfilename, frag_index) | |
164 | try: | |
165 | src, _ = self.sanitize_open(fragment_filename, 'rb') | |
166 | except OSError as err: | |
167 | if skip_unavailable_fragments and frag_index > 1: | |
168 | self.report_skip_fragment(frag_index, err) | |
169 | continue | |
170 | self.report_error(f'Unable to open fragment {frag_index}; {err}') | |
171 | return -1 | |
172 | dest.write(decrypt_fragment(fragment, src.read())) | |
173 | src.close() | |
174 | if not self.params.get('keep_fragments', False): | |
175 | self.try_remove(encodeFilename(fragment_filename)) | |
176 | dest.close() | |
177 | self.try_remove(encodeFilename('%s.frag.urls' % tmpfilename)) | |
178 | return 0 | |
179 | ||
180 | ||
181 | class CurlFD(ExternalFD): | |
182 | AVAILABLE_OPT = '-V' | |
183 | ||
184 | def _make_cmd(self, tmpfilename, info_dict): | |
185 | cmd = [self.exe, '--location', '-o', tmpfilename, '--compressed'] | |
186 | if info_dict.get('http_headers') is not None: | |
187 | for key, val in info_dict['http_headers'].items(): | |
188 | cmd += ['--header', f'{key}: {val}'] | |
189 | ||
190 | cmd += self._bool_option('--continue-at', 'continuedl', '-', '0') | |
191 | cmd += self._valueless_option('--silent', 'noprogress') | |
192 | cmd += self._valueless_option('--verbose', 'verbose') | |
193 | cmd += self._option('--limit-rate', 'ratelimit') | |
194 | retry = self._option('--retry', 'retries') | |
195 | if len(retry) == 2: | |
196 | if retry[1] in ('inf', 'infinite'): | |
197 | retry[1] = '2147483647' | |
198 | cmd += retry | |
199 | cmd += self._option('--max-filesize', 'max_filesize') | |
200 | cmd += self._option('--interface', 'source_address') | |
201 | cmd += self._option('--proxy', 'proxy') | |
202 | cmd += self._valueless_option('--insecure', 'nocheckcertificate') | |
203 | cmd += self._configuration_args() | |
204 | cmd += ['--', info_dict['url']] | |
205 | return cmd | |
206 | ||
207 | def _call_downloader(self, tmpfilename, info_dict): | |
208 | cmd = [encodeArgument(a) for a in self._make_cmd(tmpfilename, info_dict)] | |
209 | ||
210 | self._debug_cmd(cmd) | |
211 | ||
212 | # curl writes the progress to stderr so don't capture it. | |
213 | p = Popen(cmd) | |
214 | p.communicate_or_kill() | |
215 | return p.returncode | |
216 | ||
217 | ||
218 | class AxelFD(ExternalFD): | |
219 | AVAILABLE_OPT = '-V' | |
220 | ||
221 | def _make_cmd(self, tmpfilename, info_dict): | |
222 | cmd = [self.exe, '-o', tmpfilename] | |
223 | if info_dict.get('http_headers') is not None: | |
224 | for key, val in info_dict['http_headers'].items(): | |
225 | cmd += ['-H', f'{key}: {val}'] | |
226 | cmd += self._configuration_args() | |
227 | cmd += ['--', info_dict['url']] | |
228 | return cmd | |
229 | ||
230 | ||
231 | class WgetFD(ExternalFD): | |
232 | AVAILABLE_OPT = '--version' | |
233 | ||
234 | def _make_cmd(self, tmpfilename, info_dict): | |
235 | cmd = [self.exe, '-O', tmpfilename, '-nv', '--no-cookies', '--compression=auto'] | |
236 | if info_dict.get('http_headers') is not None: | |
237 | for key, val in info_dict['http_headers'].items(): | |
238 | cmd += ['--header', f'{key}: {val}'] | |
239 | cmd += self._option('--limit-rate', 'ratelimit') | |
240 | retry = self._option('--tries', 'retries') | |
241 | if len(retry) == 2: | |
242 | if retry[1] in ('inf', 'infinite'): | |
243 | retry[1] = '0' | |
244 | cmd += retry | |
245 | cmd += self._option('--bind-address', 'source_address') | |
246 | proxy = self.params.get('proxy') | |
247 | if proxy: | |
248 | for var in ('http_proxy', 'https_proxy'): | |
249 | cmd += ['--execute', f'{var}={proxy}'] | |
250 | cmd += self._valueless_option('--no-check-certificate', 'nocheckcertificate') | |
251 | cmd += self._configuration_args() | |
252 | cmd += ['--', info_dict['url']] | |
253 | return cmd | |
254 | ||
255 | ||
256 | class Aria2cFD(ExternalFD): | |
257 | AVAILABLE_OPT = '-v' | |
258 | SUPPORTED_PROTOCOLS = ('http', 'https', 'ftp', 'ftps', 'dash_frag_urls', 'm3u8_frag_urls') | |
259 | ||
260 | @staticmethod | |
261 | def supports_manifest(manifest): | |
262 | UNSUPPORTED_FEATURES = [ | |
263 | r'#EXT-X-BYTERANGE', # playlists composed of byte ranges of media files [1] | |
264 | # 1. https://tools.ietf.org/html/draft-pantos-http-live-streaming-17#section-4.3.2.2 | |
265 | ] | |
266 | check_results = (not re.search(feature, manifest) for feature in UNSUPPORTED_FEATURES) | |
267 | return all(check_results) | |
268 | ||
269 | def _make_cmd(self, tmpfilename, info_dict): | |
270 | cmd = [self.exe, '-c', | |
271 | '--console-log-level=warn', '--summary-interval=0', '--download-result=hide', | |
272 | '--http-accept-gzip=true', '--file-allocation=none', '-x16', '-j16', '-s16'] | |
273 | if 'fragments' in info_dict: | |
274 | cmd += ['--allow-overwrite=true', '--allow-piece-length-change=true'] | |
275 | else: | |
276 | cmd += ['--min-split-size', '1M'] | |
277 | ||
278 | if info_dict.get('http_headers') is not None: | |
279 | for key, val in info_dict['http_headers'].items(): | |
280 | cmd += ['--header', f'{key}: {val}'] | |
281 | cmd += self._option('--max-overall-download-limit', 'ratelimit') | |
282 | cmd += self._option('--interface', 'source_address') | |
283 | cmd += self._option('--all-proxy', 'proxy') | |
284 | cmd += self._bool_option('--check-certificate', 'nocheckcertificate', 'false', 'true', '=') | |
285 | cmd += self._bool_option('--remote-time', 'updatetime', 'true', 'false', '=') | |
286 | cmd += self._bool_option('--show-console-readout', 'noprogress', 'false', 'true', '=') | |
287 | cmd += self._configuration_args() | |
288 | ||
289 | # aria2c strips out spaces from the beginning/end of filenames and paths. | |
290 | # We work around this issue by adding a "./" to the beginning of the | |
291 | # filename and relative path, and adding a "/" at the end of the path. | |
292 | # See: https://github.com/yt-dlp/yt-dlp/issues/276 | |
293 | # https://github.com/ytdl-org/youtube-dl/issues/20312 | |
294 | # https://github.com/aria2/aria2/issues/1373 | |
295 | dn = os.path.dirname(tmpfilename) | |
296 | if dn: | |
297 | if not os.path.isabs(dn): | |
298 | dn = f'.{os.path.sep}{dn}' | |
299 | cmd += ['--dir', dn + os.path.sep] | |
300 | if 'fragments' not in info_dict: | |
301 | cmd += ['--out', f'.{os.path.sep}{os.path.basename(tmpfilename)}'] | |
302 | cmd += ['--auto-file-renaming=false'] | |
303 | ||
304 | if 'fragments' in info_dict: | |
305 | cmd += ['--file-allocation=none', '--uri-selector=inorder'] | |
306 | url_list_file = '%s.frag.urls' % tmpfilename | |
307 | url_list = [] | |
308 | for frag_index, fragment in enumerate(info_dict['fragments']): | |
309 | fragment_filename = '%s-Frag%d' % (os.path.basename(tmpfilename), frag_index) | |
310 | url_list.append('%s\n\tout=%s' % (fragment['url'], fragment_filename)) | |
311 | stream, _ = self.sanitize_open(url_list_file, 'wb') | |
312 | stream.write('\n'.join(url_list).encode()) | |
313 | stream.close() | |
314 | cmd += ['-i', url_list_file] | |
315 | else: | |
316 | cmd += ['--', info_dict['url']] | |
317 | return cmd | |
318 | ||
319 | ||
320 | class HttpieFD(ExternalFD): | |
321 | AVAILABLE_OPT = '--version' | |
322 | EXE_NAME = 'http' | |
323 | ||
324 | def _make_cmd(self, tmpfilename, info_dict): | |
325 | cmd = ['http', '--download', '--output', tmpfilename, info_dict['url']] | |
326 | ||
327 | if info_dict.get('http_headers') is not None: | |
328 | for key, val in info_dict['http_headers'].items(): | |
329 | cmd += [f'{key}:{val}'] | |
330 | return cmd | |
331 | ||
332 | ||
333 | class FFmpegFD(ExternalFD): | |
334 | SUPPORTED_PROTOCOLS = ('http', 'https', 'ftp', 'ftps', 'm3u8', 'm3u8_native', 'rtsp', 'rtmp', 'rtmp_ffmpeg', 'mms', 'http_dash_segments') | |
335 | SUPPORTED_FEATURES = (Features.TO_STDOUT, Features.MULTIPLE_FORMATS) | |
336 | ||
337 | @classmethod | |
338 | def available(cls, path=None): | |
339 | # TODO: Fix path for ffmpeg | |
340 | # Fixme: This may be wrong when --ffmpeg-location is used | |
341 | return FFmpegPostProcessor().available | |
342 | ||
343 | def on_process_started(self, proc, stdin): | |
344 | """ Override this in subclasses """ | |
345 | pass | |
346 | ||
347 | @classmethod | |
348 | def can_merge_formats(cls, info_dict, params): | |
349 | return ( | |
350 | info_dict.get('requested_formats') | |
351 | and info_dict.get('protocol') | |
352 | and not params.get('allow_unplayable_formats') | |
353 | and 'no-direct-merge' not in params.get('compat_opts', []) | |
354 | and cls.can_download(info_dict)) | |
355 | ||
356 | def _call_downloader(self, tmpfilename, info_dict): | |
357 | urls = [f['url'] for f in info_dict.get('requested_formats', [])] or [info_dict['url']] | |
358 | ffpp = FFmpegPostProcessor(downloader=self) | |
359 | if not ffpp.available: | |
360 | self.report_error('m3u8 download detected but ffmpeg could not be found. Please install') | |
361 | return False | |
362 | ffpp.check_version() | |
363 | ||
364 | args = [ffpp.executable, '-y'] | |
365 | ||
366 | for log_level in ('quiet', 'verbose'): | |
367 | if self.params.get(log_level, False): | |
368 | args += ['-loglevel', log_level] | |
369 | break | |
370 | if not self.params.get('verbose'): | |
371 | args += ['-hide_banner'] | |
372 | ||
373 | args += traverse_obj(info_dict, ('downloader_options', 'ffmpeg_args'), default=[]) | |
374 | ||
375 | # These exists only for compatibility. Extractors should use | |
376 | # info_dict['downloader_options']['ffmpeg_args'] instead | |
377 | args += info_dict.get('_ffmpeg_args') or [] | |
378 | seekable = info_dict.get('_seekable') | |
379 | if seekable is not None: | |
380 | # setting -seekable prevents ffmpeg from guessing if the server | |
381 | # supports seeking(by adding the header `Range: bytes=0-`), which | |
382 | # can cause problems in some cases | |
383 | # https://github.com/ytdl-org/youtube-dl/issues/11800#issuecomment-275037127 | |
384 | # http://trac.ffmpeg.org/ticket/6125#comment:10 | |
385 | args += ['-seekable', '1' if seekable else '0'] | |
386 | ||
387 | http_headers = None | |
388 | if info_dict.get('http_headers'): | |
389 | youtubedl_headers = handle_youtubedl_headers(info_dict['http_headers']) | |
390 | http_headers = [ | |
391 | # Trailing \r\n after each HTTP header is important to prevent warning from ffmpeg/avconv: | |
392 | # [http @ 00000000003d2fa0] No trailing CRLF found in HTTP header. | |
393 | '-headers', | |
394 | ''.join(f'{key}: {val}\r\n' for key, val in youtubedl_headers.items()) | |
395 | ] | |
396 | ||
397 | env = None | |
398 | proxy = self.params.get('proxy') | |
399 | if proxy: | |
400 | if not re.match(r'^[\da-zA-Z]+://', proxy): | |
401 | proxy = 'http://%s' % proxy | |
402 | ||
403 | if proxy.startswith('socks'): | |
404 | self.report_warning( | |
405 | '%s does not support SOCKS proxies. Downloading is likely to fail. ' | |
406 | 'Consider adding --hls-prefer-native to your command.' % self.get_basename()) | |
407 | ||
408 | # Since December 2015 ffmpeg supports -http_proxy option (see | |
409 | # http://git.videolan.org/?p=ffmpeg.git;a=commit;h=b4eb1f29ebddd60c41a2eb39f5af701e38e0d3fd) | |
410 | # We could switch to the following code if we are able to detect version properly | |
411 | # args += ['-http_proxy', proxy] | |
412 | env = os.environ.copy() | |
413 | compat_setenv('HTTP_PROXY', proxy, env=env) | |
414 | compat_setenv('http_proxy', proxy, env=env) | |
415 | ||
416 | protocol = info_dict.get('protocol') | |
417 | ||
418 | if protocol == 'rtmp': | |
419 | player_url = info_dict.get('player_url') | |
420 | page_url = info_dict.get('page_url') | |
421 | app = info_dict.get('app') | |
422 | play_path = info_dict.get('play_path') | |
423 | tc_url = info_dict.get('tc_url') | |
424 | flash_version = info_dict.get('flash_version') | |
425 | live = info_dict.get('rtmp_live', False) | |
426 | conn = info_dict.get('rtmp_conn') | |
427 | if player_url is not None: | |
428 | args += ['-rtmp_swfverify', player_url] | |
429 | if page_url is not None: | |
430 | args += ['-rtmp_pageurl', page_url] | |
431 | if app is not None: | |
432 | args += ['-rtmp_app', app] | |
433 | if play_path is not None: | |
434 | args += ['-rtmp_playpath', play_path] | |
435 | if tc_url is not None: | |
436 | args += ['-rtmp_tcurl', tc_url] | |
437 | if flash_version is not None: | |
438 | args += ['-rtmp_flashver', flash_version] | |
439 | if live: | |
440 | args += ['-rtmp_live', 'live'] | |
441 | if isinstance(conn, list): | |
442 | for entry in conn: | |
443 | args += ['-rtmp_conn', entry] | |
444 | elif isinstance(conn, str): | |
445 | args += ['-rtmp_conn', conn] | |
446 | ||
447 | start_time, end_time = info_dict.get('section_start') or 0, info_dict.get('section_end') | |
448 | ||
449 | for i, url in enumerate(urls): | |
450 | if http_headers is not None and re.match(r'^https?://', url): | |
451 | args += http_headers | |
452 | if start_time: | |
453 | args += ['-ss', str(start_time)] | |
454 | if end_time: | |
455 | args += ['-t', str(end_time - start_time)] | |
456 | ||
457 | args += self._configuration_args((f'_i{i + 1}', '_i')) + ['-i', url] | |
458 | ||
459 | if not (start_time or end_time) or not self.params.get('force_keyframes_at_cuts'): | |
460 | args += ['-c', 'copy'] | |
461 | ||
462 | if info_dict.get('requested_formats') or protocol == 'http_dash_segments': | |
463 | for (i, fmt) in enumerate(info_dict.get('requested_formats') or [info_dict]): | |
464 | stream_number = fmt.get('manifest_stream_number', 0) | |
465 | args.extend(['-map', f'{i}:{stream_number}']) | |
466 | ||
467 | if self.params.get('test', False): | |
468 | args += ['-fs', str(self._TEST_FILE_SIZE)] | |
469 | ||
470 | ext = info_dict['ext'] | |
471 | if protocol in ('m3u8', 'm3u8_native'): | |
472 | use_mpegts = (tmpfilename == '-') or self.params.get('hls_use_mpegts') | |
473 | if use_mpegts is None: | |
474 | use_mpegts = info_dict.get('is_live') | |
475 | if use_mpegts: | |
476 | args += ['-f', 'mpegts'] | |
477 | else: | |
478 | args += ['-f', 'mp4'] | |
479 | if (ffpp.basename == 'ffmpeg' and ffpp._features.get('needs_adtstoasc')) and (not info_dict.get('acodec') or info_dict['acodec'].split('.')[0] in ('aac', 'mp4a')): | |
480 | args += ['-bsf:a', 'aac_adtstoasc'] | |
481 | elif protocol == 'rtmp': | |
482 | args += ['-f', 'flv'] | |
483 | elif ext == 'mp4' and tmpfilename == '-': | |
484 | args += ['-f', 'mpegts'] | |
485 | elif ext == 'unknown_video': | |
486 | ext = determine_ext(remove_end(tmpfilename, '.part')) | |
487 | if ext == 'unknown_video': | |
488 | self.report_warning( | |
489 | 'The video format is unknown and cannot be downloaded by ffmpeg. ' | |
490 | 'Explicitly set the extension in the filename to attempt download in that format') | |
491 | else: | |
492 | self.report_warning(f'The video format is unknown. Trying to download as {ext} according to the filename') | |
493 | args += ['-f', EXT_TO_OUT_FORMATS.get(ext, ext)] | |
494 | else: | |
495 | args += ['-f', EXT_TO_OUT_FORMATS.get(ext, ext)] | |
496 | ||
497 | args += self._configuration_args(('_o1', '_o', '')) | |
498 | ||
499 | args = [encodeArgument(opt) for opt in args] | |
500 | args.append(encodeFilename(ffpp._ffmpeg_filename_argument(tmpfilename), True)) | |
501 | self._debug_cmd(args) | |
502 | ||
503 | proc = Popen(args, stdin=subprocess.PIPE, env=env) | |
504 | if url in ('-', 'pipe:'): | |
505 | self.on_process_started(proc, proc.stdin) | |
506 | try: | |
507 | retval = proc.wait() | |
508 | except BaseException as e: | |
509 | # subprocces.run would send the SIGKILL signal to ffmpeg and the | |
510 | # mp4 file couldn't be played, but if we ask ffmpeg to quit it | |
511 | # produces a file that is playable (this is mostly useful for live | |
512 | # streams). Note that Windows is not affected and produces playable | |
513 | # files (see https://github.com/ytdl-org/youtube-dl/issues/8300). | |
514 | if isinstance(e, KeyboardInterrupt) and sys.platform != 'win32' and url not in ('-', 'pipe:'): | |
515 | proc.communicate_or_kill(b'q') | |
516 | else: | |
517 | proc.kill() | |
518 | proc.wait() | |
519 | raise | |
520 | return retval | |
521 | ||
522 | ||
523 | class AVconvFD(FFmpegFD): | |
524 | pass | |
525 | ||
526 | ||
527 | _BY_NAME = { | |
528 | klass.get_basename(): klass | |
529 | for name, klass in globals().items() | |
530 | if name.endswith('FD') and name not in ('ExternalFD', 'FragmentFD') | |
531 | } | |
532 | ||
533 | _BY_EXE = {klass.EXE_NAME: klass for klass in _BY_NAME.values()} | |
534 | ||
535 | ||
536 | def list_external_downloaders(): | |
537 | return sorted(_BY_NAME.keys()) | |
538 | ||
539 | ||
540 | def get_external_downloader(external_downloader): | |
541 | """ Given the name of the executable, see whether we support the given | |
542 | downloader . """ | |
543 | # Drop .exe extension on Windows | |
544 | bn = os.path.splitext(os.path.basename(external_downloader))[0] | |
545 | return _BY_NAME.get(bn, _BY_EXE.get(bn)) |