Add ability to specify if rate controller of video encoder is trusted.

If rate controller is trusted, we disable the frame dropper in the
media optimization module.

This is a re-land of
https://webrtc-review.googlesource.com/c/src/+/105020

Bug: webrtc:9890
Change-Id: I418e47a43a1a98cb2fd5295c03360b954f2288f2
Reviewed-on: https://webrtc-review.googlesource.com/c/109141
Commit-Queue: Erik Språng <sprang@webrtc.org>
Reviewed-by: Niels Moller <nisse@webrtc.org>
Reviewed-by: Rasmus Brandt <brandtr@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#25570}
This commit is contained in:
Erik Språng
2018-11-08 16:56:43 +01:00
committed by Commit Bot
parent 6528d8a954
commit d3438aa1ed
16 changed files with 299 additions and 35 deletions

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@ -23,11 +23,15 @@
#include "rtc_base/checks.h"
#include "rtc_base/timeutils.h"
#include "rtc_base/trace_event.h"
#include "system_wrappers/include/field_trial.h"
#include "third_party/libyuv/include/libyuv/convert.h"
#include "third_party/libyuv/include/libyuv/scale.h"
namespace webrtc {
namespace {
const char kVp8TrustedRateControllerFieldTrial[] =
"WebRTC-LibvpxVp8TrustedRateController";
// QP is obtained from VP8-bitstream for HW, so the QP corresponds to the
// bitstream range of [0, 127] and not the user-level range of [0,63].
constexpr int kLowVp8QpThreshold = 29;
@ -143,6 +147,8 @@ LibvpxVp8Encoder::LibvpxVp8Encoder()
LibvpxVp8Encoder::LibvpxVp8Encoder(std::unique_ptr<LibvpxInterface> interface)
: libvpx_(std::move(interface)),
experimental_cpu_speed_config_arm_(CpuSpeedExperiment::GetConfigs()),
trusted_rate_controller_(
field_trial::IsEnabled(kVp8TrustedRateControllerFieldTrial)),
encoded_complete_callback_(nullptr),
inited_(false),
timestamp_(0),
@ -916,6 +922,7 @@ VideoEncoder::EncoderInfo LibvpxVp8Encoder::GetEncoderInfo() const {
EncoderInfo info;
info.supports_native_handle = false;
info.implementation_name = "libvpx";
info.has_trusted_rate_controller = trusted_rate_controller_;
const bool enable_scaling = encoders_.size() == 1 &&
configurations_[0].rc_dropframe_thresh > 0 &&

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@ -86,6 +86,7 @@ class LibvpxVp8Encoder : public VideoEncoder {
const absl::optional<std::vector<CpuSpeedExperiment::Config>>
experimental_cpu_speed_config_arm_;
const bool trusted_rate_controller_;
EncodedImageCallback* encoded_complete_callback_;
VideoCodec codec_;