]> gitweb @ CieloNegro.org - youtube-dl.git/blob - youtube_dl/downloader/rtmp.py
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[youtube-dl.git] / youtube_dl / downloader / rtmp.py
1 from __future__ import unicode_literals
2
3 import os
4 import re
5 import subprocess
6 import time
7
8 from .common import FileDownloader
9 from ..compat import compat_str
10 from ..utils import (
11     check_executable,
12     encodeFilename,
13     encodeArgument,
14     get_exe_version,
15 )
16
17
18 def rtmpdump_version():
19     return get_exe_version(
20         'rtmpdump', ['--help'], r'(?i)RTMPDump\s*v?([0-9a-zA-Z._-]+)')
21
22
23 class RtmpFD(FileDownloader):
24     def real_download(self, filename, info_dict):
25         def run_rtmpdump(args):
26             start = time.time()
27             resume_percent = None
28             resume_downloaded_data_len = None
29             proc = subprocess.Popen(args, stderr=subprocess.PIPE)
30             cursor_in_new_line = True
31             proc_stderr_closed = False
32             while not proc_stderr_closed:
33                 # read line from stderr
34                 line = ''
35                 while True:
36                     char = proc.stderr.read(1)
37                     if not char:
38                         proc_stderr_closed = True
39                         break
40                     if char in [b'\r', b'\n']:
41                         break
42                     line += char.decode('ascii', 'replace')
43                 if not line:
44                     # proc_stderr_closed is True
45                     continue
46                 mobj = re.search(r'([0-9]+\.[0-9]{3}) kB / [0-9]+\.[0-9]{2} sec \(([0-9]{1,2}\.[0-9])%\)', line)
47                 if mobj:
48                     downloaded_data_len = int(float(mobj.group(1)) * 1024)
49                     percent = float(mobj.group(2))
50                     if not resume_percent:
51                         resume_percent = percent
52                         resume_downloaded_data_len = downloaded_data_len
53                     time_now = time.time()
54                     eta = self.calc_eta(start, time_now, 100 - resume_percent, percent - resume_percent)
55                     speed = self.calc_speed(start, time_now, downloaded_data_len - resume_downloaded_data_len)
56                     data_len = None
57                     if percent > 0:
58                         data_len = int(downloaded_data_len * 100 / percent)
59                     self._hook_progress({
60                         'status': 'downloading',
61                         'downloaded_bytes': downloaded_data_len,
62                         'total_bytes_estimate': data_len,
63                         'tmpfilename': tmpfilename,
64                         'filename': filename,
65                         'eta': eta,
66                         'elapsed': time_now - start,
67                         'speed': speed,
68                     })
69                     cursor_in_new_line = False
70                 else:
71                     # no percent for live streams
72                     mobj = re.search(r'([0-9]+\.[0-9]{3}) kB / [0-9]+\.[0-9]{2} sec', line)
73                     if mobj:
74                         downloaded_data_len = int(float(mobj.group(1)) * 1024)
75                         time_now = time.time()
76                         speed = self.calc_speed(start, time_now, downloaded_data_len)
77                         self._hook_progress({
78                             'downloaded_bytes': downloaded_data_len,
79                             'tmpfilename': tmpfilename,
80                             'filename': filename,
81                             'status': 'downloading',
82                             'elapsed': time_now - start,
83                             'speed': speed,
84                         })
85                         cursor_in_new_line = False
86                     elif self.params.get('verbose', False):
87                         if not cursor_in_new_line:
88                             self.to_screen('')
89                         cursor_in_new_line = True
90                         self.to_screen('[rtmpdump] ' + line)
91             proc.wait()
92             if not cursor_in_new_line:
93                 self.to_screen('')
94             return proc.returncode
95
96         url = info_dict['url']
97         player_url = info_dict.get('player_url')
98         page_url = info_dict.get('page_url')
99         app = info_dict.get('app')
100         play_path = info_dict.get('play_path')
101         tc_url = info_dict.get('tc_url')
102         flash_version = info_dict.get('flash_version')
103         live = info_dict.get('rtmp_live', False)
104         conn = info_dict.get('rtmp_conn')
105         protocol = info_dict.get('rtmp_protocol')
106         real_time = info_dict.get('rtmp_real_time', False)
107         no_resume = info_dict.get('no_resume', False)
108         continue_dl = self.params.get('continuedl', True)
109
110         self.report_destination(filename)
111         tmpfilename = self.temp_name(filename)
112         test = self.params.get('test', False)
113
114         # Check for rtmpdump first
115         if not check_executable('rtmpdump', ['-h']):
116             self.report_error('RTMP download detected but "rtmpdump" could not be run. Please install it.')
117             return False
118
119         # Download using rtmpdump. rtmpdump returns exit code 2 when
120         # the connection was interrupted and resuming appears to be
121         # possible. This is part of rtmpdump's normal usage, AFAIK.
122         basic_args = [
123             'rtmpdump', '--verbose', '-r', url,
124             '-o', tmpfilename]
125         if player_url is not None:
126             basic_args += ['--swfVfy', player_url]
127         if page_url is not None:
128             basic_args += ['--pageUrl', page_url]
129         if app is not None:
130             basic_args += ['--app', app]
131         if play_path is not None:
132             basic_args += ['--playpath', play_path]
133         if tc_url is not None:
134             basic_args += ['--tcUrl', tc_url]
135         if test:
136             basic_args += ['--stop', '1']
137         if flash_version is not None:
138             basic_args += ['--flashVer', flash_version]
139         if live:
140             basic_args += ['--live']
141         if isinstance(conn, list):
142             for entry in conn:
143                 basic_args += ['--conn', entry]
144         elif isinstance(conn, compat_str):
145             basic_args += ['--conn', conn]
146         if protocol is not None:
147             basic_args += ['--protocol', protocol]
148         if real_time:
149             basic_args += ['--realtime']
150
151         args = basic_args
152         if not no_resume and continue_dl and not live:
153             args += ['--resume']
154         if not live and continue_dl:
155             args += ['--skip', '1']
156
157         args = [encodeArgument(a) for a in args]
158
159         self._debug_cmd(args, exe='rtmpdump')
160
161         RD_SUCCESS = 0
162         RD_FAILED = 1
163         RD_INCOMPLETE = 2
164         RD_NO_CONNECT = 3
165
166         retval = run_rtmpdump(args)
167
168         if retval == RD_NO_CONNECT:
169             self.report_error('[rtmpdump] Could not connect to RTMP server.')
170             return False
171
172         while (retval == RD_INCOMPLETE or retval == RD_FAILED) and not test and not live:
173             prevsize = os.path.getsize(encodeFilename(tmpfilename))
174             self.to_screen('[rtmpdump] %s bytes' % prevsize)
175             time.sleep(5.0)  # This seems to be needed
176             args = basic_args + ['--resume']
177             if retval == RD_FAILED:
178                 args += ['--skip', '1']
179             args = [encodeArgument(a) for a in args]
180             retval = run_rtmpdump(args)
181             cursize = os.path.getsize(encodeFilename(tmpfilename))
182             if prevsize == cursize and retval == RD_FAILED:
183                 break
184             # Some rtmp streams seem abort after ~ 99.8%. Don't complain for those
185             if prevsize == cursize and retval == RD_INCOMPLETE and cursize > 1024:
186                 self.to_screen('[rtmpdump] Could not download the whole video. This can happen for some advertisements.')
187                 retval = RD_SUCCESS
188                 break
189         if retval == RD_SUCCESS or (test and retval == RD_INCOMPLETE):
190             fsize = os.path.getsize(encodeFilename(tmpfilename))
191             self.to_screen('[rtmpdump] %s bytes' % fsize)
192             self.try_rename(tmpfilename, filename)
193             self._hook_progress({
194                 'downloaded_bytes': fsize,
195                 'total_bytes': fsize,
196                 'filename': filename,
197                 'status': 'finished',
198             })
199             return True
200         else:
201             self.to_stderr('\n')
202             self.report_error('rtmpdump exited with code %d' % retval)
203             return False