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Implement stable rate support in SimulcastRateAllocator

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Bug: webrtc:10126
Change-Id: I2ea8d27b0bd6f7ffd1ebbba451bd1ce1f2eee3d9
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/151121
Reviewed-by: Florent Castelli <orphis@webrtc.org>
Commit-Queue: Erik Språng <sprang@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#29097}
This commit is contained in:
Erik Språng
2019-09-04 16:30:47 +02:00
committed by Commit Bot
parent 059a0b7587
commit 2b9dba3d9c
9 changed files with 173 additions and 78 deletions
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10
modules/video_coding/utility/simulcast_rate_allocator.h
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@ -20,6 +20,7 @@
#include "api/video/video_bitrate_allocator.h"
#include "api/video_codecs/video_codec.h"
#include "rtc_base/constructor_magic.h"
#include "rtc_base/experiments/stable_target_rate_experiment.h"
namespace webrtc {
@ -36,10 +37,11 @@ class SimulcastRateAllocator : public VideoBitrateAllocator {
private:
void DistributeAllocationToSimulcastLayers(
uint32_t total_bitrate_bps,
VideoBitrateAllocation* allocated_bitrates_bps);
DataRate total_bitrate,
DataRate stable_bitrate,
VideoBitrateAllocation* allocated_bitrates);
void DistributeAllocationToTemporalLayers(
VideoBitrateAllocation* allocated_bitrates_bps) const;
VideoBitrateAllocation* allocated_bitrates) const;
std::vector<uint32_t> DefaultTemporalLayerAllocation(int bitrate_kbps,
int max_bitrate_kbps,
int simulcast_id) const;
@ -50,7 +52,7 @@ class SimulcastRateAllocator : public VideoBitrateAllocator {
int NumTemporalStreams(size_t simulcast_id) const;
const VideoCodec codec_;
const double hysteresis_factor_;
const StableTargetRateExperiment stable_rate_settings_;
std::vector<bool> stream_enabled_;
RTC_DISALLOW_COPY_AND_ASSIGN(SimulcastRateAllocator);