[downloader/external] Add FFmpegFD(fixes #622)
- replace HlsFD and RtspFD - add basic support for downloading part of the video or audio
This commit is contained in:
remitamine
parent
8ec64ac683
commit
12b84ac8c1
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@ -1,14 +1,15 @@
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from __future__ import unicode_literals
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from .common import FileDownloader
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from .external import get_external_downloader
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from .f4m import F4mFD
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from .hls import HlsFD
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from .hls import NativeHlsFD
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from .http import HttpFD
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from .rtsp import RtspFD
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from .rtmp import RtmpFD
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from .dash import DashSegmentsFD
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from .external import (
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get_external_downloader,
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FFmpegFD,
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)
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from ..utils import (
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determine_protocol,
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@ -16,10 +17,10 @@ from ..utils import (
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PROTOCOL_MAP = {
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'rtmp': RtmpFD,
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'm3u8_native': NativeHlsFD,
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'm3u8': HlsFD,
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'mms': RtspFD,
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'rtsp': RtspFD,
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'm3u8_native': HlsFD,
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'm3u8': FFmpegFD,
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'mms': FFmpegFD,
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'rtsp': FFmpegFD,
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'f4m': F4mFD,
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'http_dash_segments': DashSegmentsFD,
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}
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@ -30,6 +31,9 @@ def get_suitable_downloader(info_dict, params={}):
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protocol = determine_protocol(info_dict)
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info_dict['protocol'] = protocol
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if (info_dict.get('start_time') or info_dict.get('end_time')) and FFmpegFD.supports(info_dict):
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return FFmpegFD
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external_downloader = params.get('external_downloader')
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if external_downloader is not None:
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ed = get_external_downloader(external_downloader)
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@ -37,7 +41,7 @@ def get_suitable_downloader(info_dict, params={}):
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return ed
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if protocol == 'm3u8' and params.get('hls_prefer_native'):
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return NativeHlsFD
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return HlsFD
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return PROTOCOL_MAP.get(protocol, HttpFD)
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@ -2,8 +2,12 @@ from __future__ import unicode_literals
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import os.path
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import subprocess
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import sys
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import re
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from .common import FileDownloader
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from ..postprocessor.ffmpeg import FFmpegPostProcessor
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from ..compat import compat_str
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from ..utils import (
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cli_option,
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cli_valueless_option,
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@ -11,6 +15,7 @@ from ..utils import (
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cli_configuration_args,
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encodeFilename,
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encodeArgument,
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handle_youtubedl_headers,
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)
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@ -136,6 +141,66 @@ class HttpieFD(ExternalFD):
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cmd += ['%s:%s' % (key, val)]
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return cmd
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class FFmpegFD(ExternalFD):
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@classmethod
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def supports(cls, info_dict):
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return info_dict['protocol'] in ('http', 'https', 'ftp', 'ftps', 'm3u8', 'rtsp', 'rtmp', 'mms')
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def _call_downloader(self, tmpfilename, info_dict):
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url = info_dict['url']
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ffpp = FFmpegPostProcessor(downloader=self)
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ffpp.check_version()
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args = [ffpp.executable, '-y']
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start_time = info_dict.get('start_time', 0)
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if start_time:
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args += ['-ss', compat_str(start_time)]
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end_time = info_dict.get('end_time')
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if end_time:
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args += ['-t', compat_str(end_time - start_time)]
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if info_dict['http_headers'] and re.match(r'^https?://', url):
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# Trailing \r\n after each HTTP header is important to prevent warning from ffmpeg/avconv:
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# [http @ 00000000003d2fa0] No trailing CRLF found in HTTP header.
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headers = handle_youtubedl_headers(info_dict['http_headers'])
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args += [
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'-headers',
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''.join('%s: %s\r\n' % (key, val) for key, val in headers.items())]
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args += ['-i', url, '-c', 'copy']
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if info_dict.get('protocol') == 'm3u8':
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if self.params.get('hls_use_mpegts', False):
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args += ['-f', 'mpegts']
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else:
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args += ['-f', 'mp4', '-bsf:a', 'aac_adtstoasc']
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else:
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args += ['-f', info_dict['ext']]
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args = [encodeArgument(opt) for opt in args]
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args.append(encodeFilename(ffpp._ffmpeg_filename_argument(tmpfilename), True))
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self._debug_cmd(args)
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proc = subprocess.Popen(args, stdin=subprocess.PIPE)
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try:
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retval = proc.wait()
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except KeyboardInterrupt:
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# subprocces.run would send the SIGKILL signal to ffmpeg and the
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# mp4 file couldn't be played, but if we ask ffmpeg to quit it
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# produces a file that is playable (this is mostly useful for live
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# streams). Note that Windows is not affected and produces playable
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# files (see https://github.com/rg3/youtube-dl/issues/8300).
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if sys.platform != 'win32':
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proc.communicate(b'q')
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raise
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return retval
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class AVconvFD(FFmpegFD):
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pass
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_BY_NAME = dict(
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(klass.get_basename(), klass)
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for name, klass in globals().items()
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@ -1,87 +1,19 @@
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from __future__ import unicode_literals
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import os
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import os.path
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import re
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import subprocess
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import sys
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from .common import FileDownloader
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from .fragment import FragmentFD
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from ..compat import compat_urlparse
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from ..postprocessor.ffmpeg import FFmpegPostProcessor
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from ..utils import (
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encodeArgument,
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encodeFilename,
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sanitize_open,
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handle_youtubedl_headers,
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)
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class HlsFD(FileDownloader):
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def real_download(self, filename, info_dict):
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url = info_dict['url']
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self.report_destination(filename)
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tmpfilename = self.temp_name(filename)
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ffpp = FFmpegPostProcessor(downloader=self)
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if not ffpp.available:
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self.report_error('m3u8 download detected but ffmpeg or avconv could not be found. Please install one.')
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return False
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ffpp.check_version()
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args = [ffpp.executable, '-y']
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if info_dict['http_headers'] and re.match(r'^https?://', url):
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# Trailing \r\n after each HTTP header is important to prevent warning from ffmpeg/avconv:
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# [http @ 00000000003d2fa0] No trailing CRLF found in HTTP header.
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headers = handle_youtubedl_headers(info_dict['http_headers'])
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args += [
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'-headers',
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''.join('%s: %s\r\n' % (key, val) for key, val in headers.items())]
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args += ['-i', url, '-c', 'copy']
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if self.params.get('hls_use_mpegts', False):
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args += ['-f', 'mpegts']
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else:
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args += ['-f', 'mp4', '-bsf:a', 'aac_adtstoasc']
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args = [encodeArgument(opt) for opt in args]
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args.append(encodeFilename(ffpp._ffmpeg_filename_argument(tmpfilename), True))
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self._debug_cmd(args)
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proc = subprocess.Popen(args, stdin=subprocess.PIPE)
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try:
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retval = proc.wait()
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except KeyboardInterrupt:
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# subprocces.run would send the SIGKILL signal to ffmpeg and the
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# mp4 file couldn't be played, but if we ask ffmpeg to quit it
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# produces a file that is playable (this is mostly useful for live
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# streams). Note that Windows is not affected and produces playable
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# files (see https://github.com/rg3/youtube-dl/issues/8300).
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if sys.platform != 'win32':
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proc.communicate(b'q')
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raise
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if retval == 0:
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fsize = os.path.getsize(encodeFilename(tmpfilename))
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self.to_screen('\r[%s] %s bytes' % (args[0], fsize))
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self.try_rename(tmpfilename, filename)
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self._hook_progress({
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'downloaded_bytes': fsize,
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'total_bytes': fsize,
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'filename': filename,
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'status': 'finished',
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})
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return True
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else:
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self.to_stderr('\n')
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self.report_error('%s exited with code %d' % (ffpp.basename, retval))
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return False
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class NativeHlsFD(FragmentFD):
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""" A more limited implementation that does not require ffmpeg """
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class HlsFD(FragmentFD):
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""" A limited implementation that does not require ffmpeg """
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FD_NAME = 'hlsnative'
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@ -1,45 +0,0 @@
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from __future__ import unicode_literals
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import os
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import subprocess
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from .common import FileDownloader
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from ..utils import (
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check_executable,
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encodeFilename,
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)
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class RtspFD(FileDownloader):
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def real_download(self, filename, info_dict):
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url = info_dict['url']
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self.report_destination(filename)
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tmpfilename = self.temp_name(filename)
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if check_executable('mplayer', ['-h']):
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args = [
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'mplayer', '-really-quiet', '-vo', 'null', '-vc', 'dummy',
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'-dumpstream', '-dumpfile', tmpfilename, url]
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elif check_executable('mpv', ['-h']):
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args = [
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'mpv', '-really-quiet', '--vo=null', '--stream-dump=' + tmpfilename, url]
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else:
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self.report_error('MMS or RTSP download detected but neither "mplayer" nor "mpv" could be run. Please install any.')
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return False
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retval = subprocess.call(args)
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if retval == 0:
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fsize = os.path.getsize(encodeFilename(tmpfilename))
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self.to_screen('\r[%s] %s bytes' % (args[0], fsize))
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self.try_rename(tmpfilename, filename)
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self._hook_progress({
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'downloaded_bytes': fsize,
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'total_bytes': fsize,
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'filename': filename,
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'status': 'finished',
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})
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return True
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else:
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self.to_stderr('\n')
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self.report_error('%s exited with code %d' % (args[0], retval))
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return False
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