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Report download progress of rtmpdump

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This commit is contained in:
rzhxeo 2013-10-29 01:05:21 +01:00
parent 79b3f61228
commit 4894fe8c5b
1 changed files with 63 additions and 7 deletions
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70
youtube_dl/FileDownloader.py
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@ -268,6 +268,61 @@ class FileDownloader(object):
(clear_line, data_len_str, self.format_seconds(tot_time)))
def _download_with_rtmpdump(self, filename, url, player_url, page_url, play_path, tc_url):
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'~'+self.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,
})
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
self.report_destination(filename)
tmpfilename = self.temp_name(filename)
test = self.params.get('test', False)
@ -278,12 +333,11 @@ class FileDownloader(object):
except (OSError, IOError):
self.report_error(u'RTMP download detected but "rtmpdump" could not be run')
return False
verbosity_option = '--verbose' if self.params.get('verbose', False) else '--quiet'
# 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', verbosity_option, '-r', url, '-o', tmpfilename]
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:
@ -302,23 +356,25 @@ class FileDownloader(object):
except ImportError:
shell_quote = repr
self.to_screen(u'[debug] rtmpdump command line: ' + shell_quote(args))
retval = subprocess.call(args)
retval = run_rtmpdump(args)
while (retval == 2 or retval == 1) and not test:
prevsize = os.path.getsize(encodeFilename(tmpfilename))
self.to_screen(u'\r[rtmpdump] %s bytes' % prevsize, skip_eol=True)
self.to_screen(u'[rtmpdump] %s bytes' % prevsize)
time.sleep(5.0) # This seems to be needed
retval = subprocess.call(basic_args + ['-e'] + [[], ['-k', '1']][retval == 1])
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'\r[rtmpdump] Could not download the whole video. This can happen for some advertisements.')
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'\r[rtmpdump] %s bytes' % fsize)
self.to_screen(u'[rtmpdump] %s bytes' % fsize)
self.try_rename(tmpfilename, filename)
self._hook_progress({
'downloaded_bytes': fsize,