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raop: Change socket buffer size handling to avoid playback underruns

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When a TCP socket is created the size of the send buffer (SO_SNDBUF) used is
determined by the OS, using the net.ipv4.tcp_wmem sysctl parameter. Previously
a call to setsockopt set the buffer size to a value that was too small, and
that in some cases could result in underruns and choppy playback. This
setsockopt call has now been removed so that the value determined by the OS
is used unchanged.

Note that the value used for the send buffer size is the 2nd value in
net.ipv4.tcp_wmem, e.g. if this is set to "4096 65536 8388608" the send buffer
size is set to 65536.
This commit is contained in:
Bryan Gleeson 2011-06-10 13:02:20 -07:00 • committed by Colin Guthrie
parent dd9265ac78
commit c8f0a649cf
1 changed files with 0 additions and 1 deletions
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1
src/modules/raop/raop_client.c
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@ -219,7 +219,6 @@ static void on_connection(pa_socket_client *sc, pa_iochannel *io, void *userdata
c->fd = pa_iochannel_get_send_fd(io);
pa_iochannel_set_noclose(io, TRUE);
pa_iochannel_socket_set_sndbuf(io, 1024);
pa_iochannel_free(io);
pa_make_tcp_socket_low_delay(c->fd);