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Drop VP8 frames older than the last sync frame in the RtpFrameReferenceFinder.

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BUG=webrtc:5514

Review-Url: https://codereview.webrtc.org/2392313002
Cr-Commit-Position: refs/heads/master@{#14745}
This commit is contained in:
philipel
2016-10-24 07:11:53 -07:00
committed by Commit bot
parent 1655e45d85
commit 86b92e05f9
2 changed files with 22 additions and 0 deletions
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10
webrtc/modules/video_coding/rtp_frame_reference_finder.cc
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@ -298,6 +298,14 @@ void RtpFrameReferenceFinder::ManageFrameVp8(
return;
}
// If the last frame on this layer is ahead of this frame it means that
// a layer sync frame has been received after this frame for the same
// base layer frame, drop this frame.
if (AheadOf<uint16_t, kPicIdLength>(layer_info_it->second[layer],
frame->picture_id)) {
return;
}
// If we have not yet received a frame between this frame and the referenced
// frame then we have to wait for that frame to be completed first.
auto not_received_frame_it =
@ -309,6 +317,8 @@ void RtpFrameReferenceFinder::ManageFrameVp8(
return;
}
RTC_DCHECK((AheadOf<uint16_t, kPicIdLength>(frame->picture_id,
layer_info_it->second[layer])));
++frame->num_references;
frame->references[layer] = layer_info_it->second[layer];
}