webrtc/api/video/video_bitrate_allocator.cc
Florent Castelli d3511010d9 Reland "Only enable conference mode simulcast allocations with flag enabled"
This is a reland of 32ca95145c

Fix includes not enabling the screenshare conference behavior on non
screenshare sources even if the flag is enabled.

Original change's description:
> Only enable conference mode simulcast allocations with flag enabled
>
> Non-conference mode simulcast screenshares were mistakenly using the
> conference mode semantics in the simulcast rate allocator, which broke
> spec compliant usage in some situation.
>
> This behavior should only be used when explicitly using the SDP entry
> "a=x-google-flag:conference" in both offer and answer.
>
> Bug: webrtc:11310, chromium:1093819
> Change-Id: Ibcba75c88a8405d60467546b33977a782e04e469
> Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/179081
> Reviewed-by: Harald Alvestrand <hta@webrtc.org>
> Reviewed-by: Ilya Nikolaevskiy <ilnik@webrtc.org>
> Commit-Queue: Florent Castelli <orphis@webrtc.org>
> Cr-Commit-Position: refs/heads/master@{#31828}

Bug: webrtc:11310
Bug: chromium:1093819
Change-Id: Ic933f93a5c4bad20583354fe821f8a1170e911cd
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/180802
Commit-Queue: Florent Castelli <orphis@webrtc.org>
Reviewed-by: Ilya Nikolaevskiy <ilnik@webrtc.org>
Reviewed-by: Harald Alvestrand <hta@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#31847}
2020-08-04 10:30:08 +00:00

54 lines
1.9 KiB
C++

/*
* Copyright (c) 2019 The WebRTC project authors. All Rights Reserved.
*
* Use of this source code is governed by a BSD-style license
* that can be found in the LICENSE file in the root of the source
* tree. An additional intellectual property rights grant can be found
* in the file PATENTS. All contributing project authors may
* be found in the AUTHORS file in the root of the source tree.
*/
#include "api/video/video_bitrate_allocator.h"
namespace webrtc {
VideoBitrateAllocationParameters::VideoBitrateAllocationParameters(
uint32_t total_bitrate_bps,
uint32_t framerate)
: total_bitrate(DataRate::BitsPerSec(total_bitrate_bps)),
stable_bitrate(DataRate::BitsPerSec(total_bitrate_bps)),
framerate(static_cast<double>(framerate)) {}
VideoBitrateAllocationParameters::VideoBitrateAllocationParameters(
DataRate total_bitrate,
double framerate)
: total_bitrate(total_bitrate),
stable_bitrate(total_bitrate),
framerate(framerate) {}
VideoBitrateAllocationParameters::VideoBitrateAllocationParameters(
DataRate total_bitrate,
DataRate stable_bitrate,
double framerate)
: total_bitrate(total_bitrate),
stable_bitrate(stable_bitrate),
framerate(framerate) {}
VideoBitrateAllocationParameters::~VideoBitrateAllocationParameters() = default;
VideoBitrateAllocation VideoBitrateAllocator::GetAllocation(
uint32_t total_bitrate_bps,
uint32_t framerate) {
return Allocate({DataRate::BitsPerSec(total_bitrate_bps),
DataRate::BitsPerSec(total_bitrate_bps),
static_cast<double>(framerate)});
}
VideoBitrateAllocation VideoBitrateAllocator::Allocate(
VideoBitrateAllocationParameters parameters) {
return GetAllocation(parameters.total_bitrate.bps(), parameters.framerate);
}
void VideoBitrateAllocator::SetLegacyConferenceMode(bool enabled) {}
} // namespace webrtc