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Make FrameBuffer support an unlimited number of dependents per frame

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Bug: webrtc:10190
Change-Id: I59680ec0dc05bc77dcbef50ddbb83ce2bcd91f7e
Reviewed-on: https://webrtc-review.googlesource.com/c/116788
Reviewed-by: Sergey Silkin <ssilkin@webrtc.org>
Reviewed-by: Philip Eliasson <philipel@webrtc.org>
Commit-Queue: Elad Alon <eladalon@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#26196}
This commit is contained in:
Elad Alon
2019-01-10 15:02:54 +01:00
committed by Commit Bot
parent 977cd17316
commit 69321ddfb5
3 changed files with 6 additions and 24 deletions
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20
modules/video_coding/frame_buffer2.cc
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@ -479,7 +479,7 @@ void FrameBuffer::PropagateContinuity(FrameMap::iterator start) {
// Loop through all dependent frames, and if that frame no longer has
// any unfulfilled dependencies then that frame is continuous as well.
for (size_t d = 0; d < frame->second.num_dependent_frames; ++d) {
for (size_t d = 0; d < frame->second.dependent_frames.size(); ++d) {
auto frame_ref = frames_.find(frame->second.dependent_frames[d]);
RTC_DCHECK(frame_ref != frames_.end());
@ -497,8 +497,7 @@ void FrameBuffer::PropagateContinuity(FrameMap::iterator start) {
void FrameBuffer::PropagateDecodability(const FrameInfo& info) {
TRACE_EVENT0("webrtc", "FrameBuffer::PropagateDecodability");
RTC_CHECK(info.num_dependent_frames < FrameInfo::kMaxNumDependentFrames);
for (size_t d = 0; d < info.num_dependent_frames; ++d) {
for (size_t d = 0; d < info.dependent_frames.size(); ++d) {
auto ref_info = frames_.find(info.dependent_frames[d]);
RTC_DCHECK(ref_info != frames_.end());
// TODO(philipel): Look into why we've seen this happen.
@ -608,20 +607,7 @@ bool FrameBuffer::UpdateFrameInfoWithIncomingFrame(const EncodedFrame& frame,
if (dep.continuous)
--info->second.num_missing_continuous;
// At this point we know we want to insert this frame, so here we
// intentionally get or create the FrameInfo for this dependency.
FrameInfo* dep_info = &frames_[dep.id];
if (dep_info->num_dependent_frames <
(FrameInfo::kMaxNumDependentFrames - 1)) {
dep_info->dependent_frames[dep_info->num_dependent_frames] = id;
++dep_info->num_dependent_frames;
} else {
RTC_LOG(LS_WARNING) << "Frame with (picture_id:spatial_id) ("
<< dep.id.picture_id << ":"
<< static_cast<int>(dep.id.spatial_layer)
<< ") is referenced by too many frames.";
}
frames_[dep.id].dependent_frames.push_back(id);
}
return true;