[FFmpeg-devel] libavformat/tcp.c : add send_buffer_size and recv_buffer_size options
perette at barella.org
Fri Jan 15 22:40:38 CET 2016
Attached is a patch to libavformat/tcp.c for your consideration. It
adds two new options that may be set via the dictionary:
When present, setsockopt() is used with SO_SNDBUF and SO_RCVBUF to set
socket buffer sizes. I chose to make send and receive independent
because buffering requirements are often asymmetric.
Errors in setting the buffer size mean the socket will use its
default, so they are ignored.
There is no sanity checking on values, as the kernel/socket layers
already impose reasonable limits if asked for something crazy.
Rationale for enlarging receive buffers is to reduce susceptibility
to intermittent network delays/congestion. I added setting the send
buffer for symmetry.
Changes to other lines in the options table were just to align the
In case the mailing list strips or mangles attachments, the patch
is also at: http://deviousfish.com/Downloads/tcp_c_buffer_size.patch
Perette Barella • perette at barella.org • 585-286-1312
176 Middlesex Road, Rochester NY 14610
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