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Drop duplicate VP8 frames in the RtpFrameReferenceFinder.

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Bug: webrtc:11431
Change-Id: Ib74c05e7cf12b9a3f60423a268a5d459407fd00b
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/171060
Reviewed-by: Ilya Nikolaevskiy <ilnik@webrtc.org>
Commit-Queue: Philip Eliasson <philipel@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#30834}
This commit is contained in:
philipel
2020-03-19 15:54:23 +01:00
committed by Commit Bot
parent 810b4ca386
commit 45cb8f65ba
2 changed files with 64 additions and 2 deletions
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22
modules/video_coding/rtp_frame_reference_finder.cc
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@ -341,7 +341,16 @@ RtpFrameReferenceFinder::FrameDecision RtpFrameReferenceFinder::ManageFrameVp8(
layer_info_it =
layer_info_.emplace(unwrapped_tl0, layer_info_it->second).first;
frame->num_references = 1;
frame->references[0] = layer_info_it->second[0];
int64_t last_pid_on_layer = layer_info_it->second[0];
// Is this an old frame that has already been used to update the state? If
// so, drop it.
if (AheadOrAt<uint16_t, kPicIdLength>(last_pid_on_layer,
frame->id.picture_id)) {
return kDrop;
}
frame->references[0] = last_pid_on_layer;
UpdateLayerInfoVp8(frame, unwrapped_tl0, codec_header.temporalIdx);
return kHandOff;
}
@ -349,8 +358,17 @@ RtpFrameReferenceFinder::FrameDecision RtpFrameReferenceFinder::ManageFrameVp8(
// Layer sync frame, this frame only references its base layer frame.
if (codec_header.layerSync) {
frame->num_references = 1;
frame->references[0] = layer_info_it->second[0];
int64_t last_pid_on_layer = layer_info_it->second[codec_header.temporalIdx];
// Is this an old frame that has already been used to update the state? If
// so, drop it.
if (last_pid_on_layer != -1 &&
AheadOrAt<uint16_t, kPicIdLength>(last_pid_on_layer,
frame->id.picture_id)) {
return kDrop;
}
frame->references[0] = layer_info_it->second[0];
UpdateLayerInfoVp8(frame, unwrapped_tl0, codec_header.temporalIdx);
return kHandOff;
}