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dbdd8395f7
This CL add new data to the VideoEncoder::EncoderInfo struct, indicating how the encoder intends to allocate frames across spatial and temporal layers. This metadata will be used in upcoming CLs to control how the encoder's rate controller performs. Bug: webrtc:10155 Change-Id: Id56fae04bae5f230d1a985171097d7ca83a3be8a Reviewed-on: https://webrtc-review.googlesource.com/c/117900 Reviewed-by: Niels Moller <nisse@webrtc.org> Reviewed-by: Ilya Nikolaevskiy <ilnik@webrtc.org> Commit-Queue: Erik Språng <sprang@webrtc.org> Cr-Commit-Position: refs/heads/master@{#26300}
119 lines
3.7 KiB
C++
119 lines
3.7 KiB
C++
/*
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* Copyright (c) 2017 The WebRTC project authors. All Rights Reserved.
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*
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* Use of this source code is governed by a BSD-style license
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* that can be found in the LICENSE file in the root of the source
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* tree. An additional intellectual property rights grant can be found
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* in the file PATENTS. All contributing project authors may
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* be found in the AUTHORS file in the root of the source tree.
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*/
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#include "api/video_codecs/video_encoder.h"
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#include <string.h>
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#include "rtc_base/checks.h"
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namespace webrtc {
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// TODO(mflodman): Add default complexity for VP9 and VP9.
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VideoCodecVP8 VideoEncoder::GetDefaultVp8Settings() {
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VideoCodecVP8 vp8_settings;
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memset(&vp8_settings, 0, sizeof(vp8_settings));
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vp8_settings.numberOfTemporalLayers = 1;
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vp8_settings.denoisingOn = true;
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vp8_settings.automaticResizeOn = false;
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vp8_settings.frameDroppingOn = true;
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vp8_settings.keyFrameInterval = 3000;
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return vp8_settings;
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}
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VideoCodecVP9 VideoEncoder::GetDefaultVp9Settings() {
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VideoCodecVP9 vp9_settings;
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memset(&vp9_settings, 0, sizeof(vp9_settings));
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vp9_settings.numberOfTemporalLayers = 1;
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vp9_settings.denoisingOn = true;
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vp9_settings.frameDroppingOn = true;
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vp9_settings.keyFrameInterval = 3000;
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vp9_settings.adaptiveQpMode = true;
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vp9_settings.automaticResizeOn = true;
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vp9_settings.numberOfSpatialLayers = 1;
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vp9_settings.flexibleMode = false;
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vp9_settings.interLayerPred = InterLayerPredMode::kOn;
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return vp9_settings;
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}
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VideoCodecH264 VideoEncoder::GetDefaultH264Settings() {
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VideoCodecH264 h264_settings;
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memset(&h264_settings, 0, sizeof(h264_settings));
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h264_settings.frameDroppingOn = true;
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h264_settings.keyFrameInterval = 3000;
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h264_settings.spsData = nullptr;
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h264_settings.spsLen = 0;
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h264_settings.ppsData = nullptr;
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h264_settings.ppsLen = 0;
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h264_settings.profile = H264::kProfileConstrainedBaseline;
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return h264_settings;
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}
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VideoEncoder::ScalingSettings::ScalingSettings() = default;
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VideoEncoder::ScalingSettings::ScalingSettings(KOff) : ScalingSettings() {}
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VideoEncoder::ScalingSettings::ScalingSettings(int low, int high)
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: thresholds(QpThresholds(low, high)) {}
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VideoEncoder::ScalingSettings::ScalingSettings(int low,
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int high,
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int min_pixels)
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: thresholds(QpThresholds(low, high)), min_pixels_per_frame(min_pixels) {}
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VideoEncoder::ScalingSettings::ScalingSettings(const ScalingSettings&) =
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default;
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VideoEncoder::ScalingSettings::~ScalingSettings() {}
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// static
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constexpr VideoEncoder::ScalingSettings::KOff
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VideoEncoder::ScalingSettings::kOff;
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// static
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constexpr uint8_t VideoEncoder::EncoderInfo::kMaxFramerateFraction;
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VideoEncoder::EncoderInfo::EncoderInfo()
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: scaling_settings(VideoEncoder::ScalingSettings::kOff),
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supports_native_handle(false),
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implementation_name("unknown"),
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has_trusted_rate_controller(false),
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is_hardware_accelerated(true),
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has_internal_source(false),
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fps_allocation{absl::InlinedVector<uint8_t, kMaxTemporalStreams>(
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1,
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kMaxFramerateFraction)} {}
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VideoEncoder::EncoderInfo::EncoderInfo(const EncoderInfo&) = default;
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VideoEncoder::EncoderInfo::~EncoderInfo() = default;
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int32_t VideoEncoder::SetRates(uint32_t bitrate, uint32_t framerate) {
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RTC_NOTREACHED() << "SetRate(uint32_t, uint32_t) is deprecated.";
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return -1;
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}
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int32_t VideoEncoder::SetRateAllocation(
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const VideoBitrateAllocation& allocation,
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uint32_t framerate) {
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return SetRates(allocation.get_sum_kbps(), framerate);
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}
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// TODO(webrtc:9722): Remove and make pure virtual.
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VideoEncoder::EncoderInfo VideoEncoder::GetEncoderInfo() const {
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return EncoderInfo();
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}
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} // namespace webrtc
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