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-rw-r--r--youtube_dl/FileDownloader.py7
-rw-r--r--youtube_dl/__init__.py12
2 files changed, 17 insertions, 2 deletions
diff --git a/youtube_dl/FileDownloader.py b/youtube_dl/FileDownloader.py
index b6aebe4ac..bd0f75773 100644
--- a/youtube_dl/FileDownloader.py
+++ b/youtube_dl/FileDownloader.py
@@ -62,6 +62,8 @@ class FileDownloader(object):
ratelimit: Download speed limit, in bytes/sec.
nooverwrites: Prevent overwriting files.
retries: Number of times to retry for HTTP error 5xx
+ buffersize: Size of download buffer in bytes.
+ noresizebuffer: Do not automatically resize the download buffer.
continuedl: Try to continue downloads if possible.
noprogress: Do not print the progress bar.
playliststart: Playlist item to start at.
@@ -644,7 +646,7 @@ class FileDownloader(object):
data_len = long(data_len) + resume_len
data_len_str = self.format_bytes(data_len)
byte_counter = 0 + resume_len
- block_size = 1024
+ block_size = self.params.get('buffersize', 1024)
start = time.time()
while True:
# Download and write
@@ -670,7 +672,8 @@ class FileDownloader(object):
except (IOError, OSError), err:
self.trouble(u'\nERROR: unable to write data: %s' % str(err))
return False
- block_size = self.best_block_size(after - before, len(data_block))
+ if not self.params.get('noresizebuffer', False):
+ block_size = self.best_block_size(after - before, len(data_block))
# Progress message
speed_str = self.calc_speed(start, time.time(), byte_counter - resume_len)
diff --git a/youtube_dl/__init__.py b/youtube_dl/__init__.py
index 5fc39184a..92478aa6b 100644
--- a/youtube_dl/__init__.py
+++ b/youtube_dl/__init__.py
@@ -187,6 +187,11 @@ def parseOpts():
dest='ratelimit', metavar='LIMIT', help='download rate limit (e.g. 50k or 44.6m)')
general.add_option('-R', '--retries',
dest='retries', metavar='RETRIES', help='number of retries (default is %default)', default=10)
+ general.add_option('--buffer-size',
+ dest='buffersize', metavar='SIZE', help='size of download buffer (e.g. 1024 or 16k) (default is %default)', default="1024")
+ general.add_option('--no-resize-buffer',
+ action='store_true', dest='noresizebuffer',
+ help='do not automatically adjust the buffer size. By default, the buffer size is automatically resized from an initial value of SIZE.', default=False)
general.add_option('--dump-user-agent',
action='store_true', dest='dump_user_agent',
help='display the current browser identification', default=False)
@@ -443,6 +448,11 @@ def _real_main():
opts.retries = long(opts.retries)
except (TypeError, ValueError), err:
parser.error(u'invalid retry count specified')
+ if opts.buffersize is not None:
+ numeric_buffersize = FileDownloader.parse_bytes(opts.buffersize)
+ if numeric_buffersize is None:
+ parser.error(u'invalid buffer size specified')
+ opts.buffersize = numeric_buffersize
try:
opts.playliststart = int(opts.playliststart)
if opts.playliststart <= 0:
@@ -493,6 +503,8 @@ def _real_main():
'ratelimit': opts.ratelimit,
'nooverwrites': opts.nooverwrites,
'retries': opts.retries,
+ 'buffersize': opts.buffersize,
+ 'noresizebuffer': opts.noresizebuffer,
'continuedl': opts.continue_dl,
'noprogress': opts.noprogress,
'playliststart': opts.playliststart,