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Relanding 4597 - Don't force key frame when decoding with errors.

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Makes sure that incomplete key frame or delta frames will be released from the JB when decoding with errors.
The decoder in turn will trigger a PLI until a complete key frame is received in order to start a session.

TBR=stefan@webrtc.org

BUG=

Review URL: https://webrtc-codereview.appspot.com/2097004

git-svn-id: http://webrtc.googlecode.com/svn/trunk@4607 4adac7df-926f-26a2-2b94-8c16560cd09d
This commit is contained in:
mikhal@webrtc.org
2013-08-23 21:54:50 +00:00
parent 442709ea96
commit b2c28c3699
11 changed files with 123 additions and 83 deletions
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8
webrtc/modules/video_coding/main/source/jitter_buffer.cc
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@ -508,19 +508,13 @@ bool VCMJitterBuffer::NextMaybeIncompleteTimestamp(uint32_t* timestamp) {
return false;
}
VCMFrameBuffer* oldest_frame = decodable_frames_.Front();
// If we have exactly one frame in the buffer, release it only if it is
// complete. We know decodable_frames_ is not empty due to the prevoius
// complete. We know decodable_frames_ is not empty due to the previous
// check.
if (decodable_frames_.size() == 1 && incomplete_frames_.empty()
&& oldest_frame->GetState() != kStateComplete) {
return false;
}
// Always start with a complete key frame.
if (last_decoded_state_.in_initial_state() &&
oldest_frame->FrameType() != kVideoFrameKey) {
return false;
}
*timestamp = oldest_frame->TimeStamp();
return true;