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Fix issue 211: Make sure we always generate at least one FEC packet per frame if we need protection.

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BUG=211
TEST=

Review URL: http://webrtc-codereview.appspot.com/348002

git-svn-id: http://webrtc.googlecode.com/svn/trunk@1363 4adac7df-926f-26a2-2b94-8c16560cd09d
This commit is contained in:
stefan@webrtc.org 2012-01-10 08:37:33 +00:00
parent df55166f07
commit e21a8cf4d4
1 changed files with 5 additions and 0 deletions
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5
src/modules/rtp_rtcp/source/forward_error_correction.cc
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@ -175,6 +175,11 @@ ForwardErrorCorrection::GenerateFEC(const ListWrapper& mediaPacketList,
// Result in Q0 with an unsigned round. // Result in Q0 with an unsigned round.
WebRtc_UWord32 numFecPackets = (numMediaPackets * protectionFactor + WebRtc_UWord32 numFecPackets = (numMediaPackets * protectionFactor +
(1 << 7)) >> 8; (1 << 7)) >> 8;
// Generate at least one FEC packet if we need protection.
if (protectionFactor > 0 && numFecPackets == 0)
{
numFecPackets = 1;
}
if (numFecPackets == 0) if (numFecPackets == 0)
{ {
return 0; return 0;