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authorremitamine <remitamine@gmail.com>2016-02-19 19:29:24 +0100
committerremitamine <remitamine@gmail.com>2016-02-19 19:29:24 +0100
commit12b84ac8c13754baeeead907d8c9d239141f8706 (patch)
treeeb335e6c4ea5b6d1539dbc66a9c73731c54ca05f /youtube_dl/downloader/external.py
parent8ec64ac68354cdf9428cd58506481ef4476c47c9 (diff)
[downloader/external] Add FFmpegFD(fixes #622)
- replace HlsFD and RtspFD - add basic support for downloading part of the video or audio
Diffstat (limited to 'youtube_dl/downloader/external.py')
-rw-r--r--youtube_dl/downloader/external.py65
1 files changed, 65 insertions, 0 deletions
diff --git a/youtube_dl/downloader/external.py b/youtube_dl/downloader/external.py
index 2bc011266..bb43677b7 100644
--- a/youtube_dl/downloader/external.py
+++ b/youtube_dl/downloader/external.py
@@ -2,8 +2,12 @@ from __future__ import unicode_literals
import os.path
import subprocess
+import sys
+import re
from .common import FileDownloader
+from ..postprocessor.ffmpeg import FFmpegPostProcessor
+from ..compat import compat_str
from ..utils import (
cli_option,
cli_valueless_option,
@@ -11,6 +15,7 @@ from ..utils import (
cli_configuration_args,
encodeFilename,
encodeArgument,
+ handle_youtubedl_headers,
)
@@ -136,6 +141,66 @@ class HttpieFD(ExternalFD):
cmd += ['%s:%s' % (key, val)]
return cmd
+
+class FFmpegFD(ExternalFD):
+ @classmethod
+ def supports(cls, info_dict):
+ return info_dict['protocol'] in ('http', 'https', 'ftp', 'ftps', 'm3u8', 'rtsp', 'rtmp', 'mms')
+
+ def _call_downloader(self, tmpfilename, info_dict):
+ url = info_dict['url']
+ ffpp = FFmpegPostProcessor(downloader=self)
+ ffpp.check_version()
+
+ args = [ffpp.executable, '-y']
+
+ start_time = info_dict.get('start_time', 0)
+ if start_time:
+ args += ['-ss', compat_str(start_time)]
+ end_time = info_dict.get('end_time')
+ if end_time:
+ args += ['-t', compat_str(end_time - start_time)]
+
+ if info_dict['http_headers'] and re.match(r'^https?://', url):
+ # Trailing \r\n after each HTTP header is important to prevent warning from ffmpeg/avconv:
+ # [http @ 00000000003d2fa0] No trailing CRLF found in HTTP header.
+ headers = handle_youtubedl_headers(info_dict['http_headers'])
+ args += [
+ '-headers',
+ ''.join('%s: %s\r\n' % (key, val) for key, val in headers.items())]
+
+ args += ['-i', url, '-c', 'copy']
+ if info_dict.get('protocol') == 'm3u8':
+ if self.params.get('hls_use_mpegts', False):
+ args += ['-f', 'mpegts']
+ else:
+ args += ['-f', 'mp4', '-bsf:a', 'aac_adtstoasc']
+ else:
+ args += ['-f', info_dict['ext']]
+
+ args = [encodeArgument(opt) for opt in args]
+ args.append(encodeFilename(ffpp._ffmpeg_filename_argument(tmpfilename), True))
+
+ self._debug_cmd(args)
+
+ proc = subprocess.Popen(args, stdin=subprocess.PIPE)
+ try:
+ retval = proc.wait()
+ except KeyboardInterrupt:
+ # subprocces.run would send the SIGKILL signal to ffmpeg and the
+ # mp4 file couldn't be played, but if we ask ffmpeg to quit it
+ # produces a file that is playable (this is mostly useful for live
+ # streams). Note that Windows is not affected and produces playable
+ # files (see https://github.com/rg3/youtube-dl/issues/8300).
+ if sys.platform != 'win32':
+ proc.communicate(b'q')
+ raise
+ return retval
+
+
+class AVconvFD(FFmpegFD):
+ pass
+
_BY_NAME = dict(
(klass.get_basename(), klass)
for name, klass in globals().items()