diff options
Diffstat (limited to 'youtube_dl/downloader')
| -rw-r--r-- | youtube_dl/downloader/common.py | 9 | ||||
| -rw-r--r-- | youtube_dl/downloader/http.py | 29 |
2 files changed, 27 insertions, 11 deletions
diff --git a/youtube_dl/downloader/common.py b/youtube_dl/downloader/common.py index c0af50c59..6e44c88c9 100644 --- a/youtube_dl/downloader/common.py +++ b/youtube_dl/downloader/common.py @@ -80,6 +80,8 @@ class FileDownloader(object): def calc_eta(start, now, total, current): if total is None: return None + if now is None: + now = time.time() dif = now - start if current == 0 or dif < 0.001: # One millisecond return None @@ -146,18 +148,19 @@ class FileDownloader(object): def report_error(self, *args, **kargs): self.ydl.report_error(*args, **kargs) - def slow_down(self, start_time, byte_counter): + def slow_down(self, start_time, now, byte_counter): """Sleep if the download speed is over the rate limit.""" rate_limit = self.params.get('ratelimit', None) if rate_limit is None or byte_counter == 0: return - now = time.time() + if now is None: + now = time.time() elapsed = now - start_time if elapsed <= 0.0: return speed = float(byte_counter) / elapsed if speed > rate_limit: - time.sleep((byte_counter - rate_limit * (now - start_time)) / rate_limit) + time.sleep(max((byte_counter / rate_limit) - elapsed, 0)) def temp_name(self, filename): """Returns a temporary filename for the given filename.""" diff --git a/youtube_dl/downloader/http.py b/youtube_dl/downloader/http.py index 8491cee8a..224962e86 100644 --- a/youtube_dl/downloader/http.py +++ b/youtube_dl/downloader/http.py @@ -136,16 +136,21 @@ class HttpFD(FileDownloader): byte_counter = 0 + resume_len block_size = self.params.get('buffersize', 1024) start = time.time() + + # measure time over whole while-loop, so slow_down() and best_block_size() work together properly + now = None # needed for slow_down() in the first loop run + before = start # start measuring while True: + # Download and write - before = time.time() data_block = data.read(block_size if not is_test else min(block_size, data_len - byte_counter)) - after = time.time() + byte_counter += len(data_block) + + # exit loop when download is finished if len(data_block) == 0: break - byte_counter += len(data_block) - # Open file just in time + # Open destination file just in time if stream is None: try: (stream, tmpfilename) = sanitize_open(tmpfilename, open_mode) @@ -161,11 +166,22 @@ class HttpFD(FileDownloader): self.to_stderr('\n') self.report_error('unable to write data: %s' % str(err)) return False + + # Apply rate limit + self.slow_down(start, now, byte_counter - resume_len) + + # end measuring of one loop run + now = time.time() + after = now + + # Adjust block size if not self.params.get('noresizebuffer', False): block_size = self.best_block_size(after - before, len(data_block)) + before = after + # Progress message - speed = self.calc_speed(start, time.time(), byte_counter - resume_len) + speed = self.calc_speed(start, now, byte_counter - resume_len) if data_len is None: eta = percent = None else: @@ -186,9 +202,6 @@ class HttpFD(FileDownloader): if is_test and byte_counter == data_len: break - # Apply rate limit - self.slow_down(start, byte_counter - resume_len) - if stream is None: self.to_stderr('\n') self.report_error('Did not get any data blocks') |