mmst: fix reading uninitialized data for ping packets.

Fixes errors after a few minutes (first ping) when playing back
mmst://wm.bbc.co.uk/wms/bbc7coyopa/bbc7_-_friday_0430.wma
(cherry picked from commit 275189a2bd)
This commit is contained in:
Ronald S. Bultje 2011-02-14 09:55:14 -05:00 committed by Michael Niedermayer
parent 30391c6b5c
commit e84314515a

View File

@ -290,8 +290,7 @@ static MMSSCPacketType get_tcp_server_response(MMSTContext *mmst)
return read_result < 0 ? read_result : AVERROR_IO;
}
packet_type= AV_RL16(mms->in_buffer+36);
hr = AV_RL32(mms->in_buffer + 40);
if (hr) {
if (read_result >= 44 && (hr = AV_RL32(mms->in_buffer + 40))) {
av_log(NULL, AV_LOG_ERROR,
"Server sent a message with packet type 0x%x and error status code 0x%08x\n", packet_type, hr);
return AVERROR_UNKNOWN;