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Propagate active decode targets bitmask into DependencyDescriptor

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Bug: webrtc:10342
Change-Id: I5e8a204881b94fe5786b14e27cefce2fe056e91b
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/178140
Reviewed-by: Björn Terelius <terelius@webrtc.org>
Reviewed-by: Philip Eliasson <philipel@webrtc.org>
Commit-Queue: Danil Chapovalov <danilchap@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#31579}
This commit is contained in:
Danil Chapovalov
2020-06-26 13:51:08 +02:00
committed by Commit Bot
parent 11b6f6857f
commit e6ac8ff162
7 changed files with 62 additions and 4 deletions
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7
modules/rtp_rtcp/source/active_decode_targets_helper.cc
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@ -93,6 +93,7 @@ void ActiveDecodeTargetsHelper::OnFrame(
if (is_keyframe) {
// Key frame resets the state.
last_active_decode_targets_ = all_decode_targets;
last_active_chains_ = AllActive(num_chains);
unsent_on_chain_.reset();
} else {
// Update state assuming previous frame was sent.
@ -108,12 +109,12 @@ void ActiveDecodeTargetsHelper::OnFrame(
return;
}
last_active_decode_targets_ = active_decode_targets;
last_active_chains_ = ActiveChains(decode_target_protected_by_chain,
num_chains, active_decode_targets);
// Frames that are part of inactive chains might not be produced by the
// encoder. Thus stop sending `active_decode_target` bitmask when it is sent
// on all active chains rather than on all chains.
unsent_on_chain_ = ActiveChains(decode_target_protected_by_chain, num_chains,
active_decode_targets);
unsent_on_chain_ = last_active_chains_;
if (unsent_on_chain_.none()) {
// Active decode targets are not protected by any chains. To be on the
// safe side always send the active_decode_targets_bitmask from now on.