mirror of
https://github.com/yt-dlp/yt-dlp.git
synced 2024-11-07 19:52:40 +01:00
204 lines
8.2 KiB
Python
204 lines
8.2 KiB
Python
from __future__ import unicode_literals
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import os
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import re
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import subprocess
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import time
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from .common import FileDownloader
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from ..compat import compat_str
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from ..utils import (
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check_executable,
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encodeFilename,
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encodeArgument,
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get_exe_version,
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)
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def rtmpdump_version():
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return get_exe_version(
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'rtmpdump', ['--help'], r'(?i)RTMPDump\s*v?([0-9a-zA-Z._-]+)')
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class RtmpFD(FileDownloader):
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def real_download(self, filename, info_dict):
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def run_rtmpdump(args):
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start = time.time()
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resume_percent = None
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resume_downloaded_data_len = None
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proc = subprocess.Popen(args, stderr=subprocess.PIPE)
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cursor_in_new_line = True
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proc_stderr_closed = False
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while not proc_stderr_closed:
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# read line from stderr
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line = ''
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while True:
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char = proc.stderr.read(1)
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if not char:
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proc_stderr_closed = True
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break
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if char in [b'\r', b'\n']:
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break
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line += char.decode('ascii', 'replace')
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if not line:
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# proc_stderr_closed is True
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continue
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mobj = re.search(r'([0-9]+\.[0-9]{3}) kB / [0-9]+\.[0-9]{2} sec \(([0-9]{1,2}\.[0-9])%\)', line)
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if mobj:
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downloaded_data_len = int(float(mobj.group(1)) * 1024)
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percent = float(mobj.group(2))
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if not resume_percent:
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resume_percent = percent
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resume_downloaded_data_len = downloaded_data_len
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time_now = time.time()
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eta = self.calc_eta(start, time_now, 100 - resume_percent, percent - resume_percent)
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speed = self.calc_speed(start, time_now, downloaded_data_len - resume_downloaded_data_len)
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data_len = None
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if percent > 0:
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data_len = int(downloaded_data_len * 100 / percent)
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self._hook_progress({
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'status': 'downloading',
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'downloaded_bytes': downloaded_data_len,
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'total_bytes_estimate': data_len,
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'tmpfilename': tmpfilename,
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'filename': filename,
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'eta': eta,
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'elapsed': time_now - start,
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'speed': speed,
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})
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cursor_in_new_line = False
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else:
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# no percent for live streams
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mobj = re.search(r'([0-9]+\.[0-9]{3}) kB / [0-9]+\.[0-9]{2} sec', line)
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if mobj:
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downloaded_data_len = int(float(mobj.group(1)) * 1024)
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time_now = time.time()
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speed = self.calc_speed(start, time_now, downloaded_data_len)
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self._hook_progress({
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'downloaded_bytes': downloaded_data_len,
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'tmpfilename': tmpfilename,
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'filename': filename,
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'status': 'downloading',
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'elapsed': time_now - start,
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'speed': speed,
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})
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cursor_in_new_line = False
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elif self.params.get('verbose', False):
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if not cursor_in_new_line:
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self.to_screen('')
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cursor_in_new_line = True
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self.to_screen('[rtmpdump] ' + line)
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proc.wait()
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if not cursor_in_new_line:
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self.to_screen('')
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return proc.returncode
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url = info_dict['url']
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player_url = info_dict.get('player_url', None)
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page_url = info_dict.get('page_url', None)
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app = info_dict.get('app', None)
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play_path = info_dict.get('play_path', None)
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tc_url = info_dict.get('tc_url', None)
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flash_version = info_dict.get('flash_version', None)
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live = info_dict.get('rtmp_live', False)
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conn = info_dict.get('rtmp_conn', None)
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protocol = info_dict.get('rtmp_protocol', None)
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real_time = info_dict.get('rtmp_real_time', False)
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no_resume = info_dict.get('no_resume', False)
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continue_dl = info_dict.get('continuedl', True)
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self.report_destination(filename)
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tmpfilename = self.temp_name(filename)
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test = self.params.get('test', False)
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# Check for rtmpdump first
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if not check_executable('rtmpdump', ['-h']):
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self.report_error('RTMP download detected but "rtmpdump" could not be run. Please install it.')
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return False
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# Download using rtmpdump. rtmpdump returns exit code 2 when
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# the connection was interrumpted and resuming appears to be
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# possible. This is part of rtmpdump's normal usage, AFAIK.
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basic_args = [
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'rtmpdump', '--verbose', '-r', url,
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'-o', tmpfilename]
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if player_url is not None:
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basic_args += ['--swfVfy', player_url]
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if page_url is not None:
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basic_args += ['--pageUrl', page_url]
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if app is not None:
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basic_args += ['--app', app]
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if play_path is not None:
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basic_args += ['--playpath', play_path]
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if tc_url is not None:
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basic_args += ['--tcUrl', tc_url]
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if test:
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basic_args += ['--stop', '1']
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if flash_version is not None:
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basic_args += ['--flashVer', flash_version]
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if live:
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basic_args += ['--live']
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if isinstance(conn, list):
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for entry in conn:
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basic_args += ['--conn', entry]
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elif isinstance(conn, compat_str):
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basic_args += ['--conn', conn]
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if protocol is not None:
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basic_args += ['--protocol', protocol]
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if real_time:
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basic_args += ['--realtime']
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args = basic_args
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if not no_resume and continue_dl and not live:
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args += ['--resume']
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if not live and continue_dl:
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args += ['--skip', '1']
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args = [encodeArgument(a) for a in args]
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self._debug_cmd(args, exe='rtmpdump')
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RD_SUCCESS = 0
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RD_FAILED = 1
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RD_INCOMPLETE = 2
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RD_NO_CONNECT = 3
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retval = run_rtmpdump(args)
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if retval == RD_NO_CONNECT:
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self.report_error('[rtmpdump] Could not connect to RTMP server.')
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return False
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while (retval == RD_INCOMPLETE or retval == RD_FAILED) and not test and not live:
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prevsize = os.path.getsize(encodeFilename(tmpfilename))
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self.to_screen('[rtmpdump] %s bytes' % prevsize)
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time.sleep(5.0) # This seems to be needed
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args = basic_args + ['--resume']
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if retval == RD_FAILED:
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args += ['--skip', '1']
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args = [encodeArgument(a) for a in args]
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retval = run_rtmpdump(args)
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cursize = os.path.getsize(encodeFilename(tmpfilename))
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if prevsize == cursize and retval == RD_FAILED:
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break
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# Some rtmp streams seem abort after ~ 99.8%. Don't complain for those
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if prevsize == cursize and retval == RD_INCOMPLETE and cursize > 1024:
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self.to_screen('[rtmpdump] Could not download the whole video. This can happen for some advertisements.')
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retval = RD_SUCCESS
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break
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if retval == RD_SUCCESS or (test and retval == RD_INCOMPLETE):
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fsize = os.path.getsize(encodeFilename(tmpfilename))
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self.to_screen('[rtmpdump] %s bytes' % 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('rtmpdump exited with code %d' % retval)
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return False
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