diff options
Diffstat (limited to 'youtube_dl/downloader/rtmp.py')
| -rw-r--r-- | youtube_dl/downloader/rtmp.py | 178 |
1 files changed, 178 insertions, 0 deletions
diff --git a/youtube_dl/downloader/rtmp.py b/youtube_dl/downloader/rtmp.py new file mode 100644 index 000000000..b165e396f --- /dev/null +++ b/youtube_dl/downloader/rtmp.py @@ -0,0 +1,178 @@ +import os +import re +import subprocess +import sys +import time + +from .common import FileDownloader +from ..utils import ( + encodeFilename, + format_bytes, +) + + +class RtmpFD(FileDownloader): + def real_download(self, filename, info_dict): + def run_rtmpdump(args): + start = time.time() + resume_percent = None + resume_downloaded_data_len = None + proc = subprocess.Popen(args, stderr=subprocess.PIPE) + cursor_in_new_line = True + proc_stderr_closed = False + while not proc_stderr_closed: + # read line from stderr + line = u'' + while True: + char = proc.stderr.read(1) + if not char: + proc_stderr_closed = True + break + if char in [b'\r', b'\n']: + break + line += char.decode('ascii', 'replace') + if not line: + # proc_stderr_closed is True + continue + mobj = re.search(r'([0-9]+\.[0-9]{3}) kB / [0-9]+\.[0-9]{2} sec \(([0-9]{1,2}\.[0-9])%\)', line) + if mobj: + downloaded_data_len = int(float(mobj.group(1))*1024) + percent = float(mobj.group(2)) + if not resume_percent: + resume_percent = percent + resume_downloaded_data_len = downloaded_data_len + eta = self.calc_eta(start, time.time(), 100-resume_percent, percent-resume_percent) + speed = self.calc_speed(start, time.time(), downloaded_data_len-resume_downloaded_data_len) + data_len = None + if percent > 0: + data_len = int(downloaded_data_len * 100 / percent) + data_len_str = u'~' + format_bytes(data_len) + self.report_progress(percent, data_len_str, speed, eta) + cursor_in_new_line = False + self._hook_progress({ + 'downloaded_bytes': downloaded_data_len, + 'total_bytes': data_len, + 'tmpfilename': tmpfilename, + 'filename': filename, + 'status': 'downloading', + 'eta': eta, + 'speed': speed, + }) + else: + # no percent for live streams + mobj = re.search(r'([0-9]+\.[0-9]{3}) kB / [0-9]+\.[0-9]{2} sec', line) + if mobj: + downloaded_data_len = int(float(mobj.group(1))*1024) + time_now = time.time() + speed = self.calc_speed(start, time_now, downloaded_data_len) + self.report_progress_live_stream(downloaded_data_len, speed, time_now - start) + cursor_in_new_line = False + self._hook_progress({ + 'downloaded_bytes': downloaded_data_len, + 'tmpfilename': tmpfilename, + 'filename': filename, + 'status': 'downloading', + 'speed': speed, + }) + elif self.params.get('verbose', False): + if not cursor_in_new_line: + self.to_screen(u'') + cursor_in_new_line = True + self.to_screen(u'[rtmpdump] '+line) + proc.wait() + if not cursor_in_new_line: + self.to_screen(u'') + return proc.returncode + + url = info_dict['url'] + player_url = info_dict.get('player_url', None) + page_url = info_dict.get('page_url', None) + play_path = info_dict.get('play_path', None) + tc_url = info_dict.get('tc_url', None) + live = info_dict.get('rtmp_live', False) + conn = info_dict.get('rtmp_conn', None) + + self.report_destination(filename) + tmpfilename = self.temp_name(filename) + test = self.params.get('test', False) + + # Check for rtmpdump first + try: + subprocess.call(['rtmpdump', '-h'], stdout=(open(os.path.devnull, 'w')), stderr=subprocess.STDOUT) + except (OSError, IOError): + self.report_error(u'RTMP download detected but "rtmpdump" could not be run') + return False + + # Download using rtmpdump. rtmpdump returns exit code 2 when + # the connection was interrumpted and resuming appears to be + # possible. This is part of rtmpdump's normal usage, AFAIK. + basic_args = ['rtmpdump', '--verbose', '-r', url, '-o', tmpfilename] + if player_url is not None: + basic_args += ['--swfVfy', player_url] + if page_url is not None: + basic_args += ['--pageUrl', page_url] + if play_path is not None: + basic_args += ['--playpath', play_path] + if tc_url is not None: + basic_args += ['--tcUrl', url] + if test: + basic_args += ['--stop', '1'] + if live: + basic_args += ['--live'] + if conn: + basic_args += ['--conn', conn] + args = basic_args + [[], ['--resume', '--skip', '1']][self.params.get('continuedl', False)] + + if sys.platform == 'win32' and sys.version_info < (3, 0): + # Windows subprocess module does not actually support Unicode + # on Python 2.x + # See http://stackoverflow.com/a/9951851/35070 + subprocess_encoding = sys.getfilesystemencoding() + args = [a.encode(subprocess_encoding, 'ignore') for a in args] + else: + subprocess_encoding = None + + if self.params.get('verbose', False): + if subprocess_encoding: + str_args = [ + a.decode(subprocess_encoding) if isinstance(a, bytes) else a + for a in args] + else: + str_args = args + try: + import pipes + shell_quote = lambda args: ' '.join(map(pipes.quote, str_args)) + except ImportError: + shell_quote = repr + self.to_screen(u'[debug] rtmpdump command line: ' + shell_quote(str_args)) + + retval = run_rtmpdump(args) + + while (retval == 2 or retval == 1) and not test: + prevsize = os.path.getsize(encodeFilename(tmpfilename)) + self.to_screen(u'[rtmpdump] %s bytes' % prevsize) + time.sleep(5.0) # This seems to be needed + retval = run_rtmpdump(basic_args + ['-e'] + [[], ['-k', '1']][retval == 1]) + cursize = os.path.getsize(encodeFilename(tmpfilename)) + if prevsize == cursize and retval == 1: + break + # Some rtmp streams seem abort after ~ 99.8%. Don't complain for those + if prevsize == cursize and retval == 2 and cursize > 1024: + self.to_screen(u'[rtmpdump] Could not download the whole video. This can happen for some advertisements.') + retval = 0 + break + if retval == 0 or (test and retval == 2): + fsize = os.path.getsize(encodeFilename(tmpfilename)) + self.to_screen(u'[rtmpdump] %s bytes' % fsize) + self.try_rename(tmpfilename, filename) + self._hook_progress({ + 'downloaded_bytes': fsize, + 'total_bytes': fsize, + 'filename': filename, + 'status': 'finished', + }) + return True + else: + self.to_stderr(u"\n") + self.report_error(u'rtmpdump exited with code %d' % retval) + return False |