webrtc/modules/video_coding/codecs/vp9/svc_rate_allocator.h
Yves Gerey 3e70781361 [Cleanup] Add missing #include. Remove useless ones. IWYU part 2.
This is a follow-up to
https://webrtc-review.googlesource.com/c/src/+/106280.
This time the whole code base is covered.
Some files may have not been fixed though, whenever the IWYU tool
was breaking the build.

Bug: webrtc:8311
Change-Id: I2c31f552a87e887d33931d46e87b6208b1e483ef
Reviewed-on: https://webrtc-review.googlesource.com/c/111965
Commit-Queue: Yves Gerey <yvesg@google.com>
Reviewed-by: Karl Wiberg <kwiberg@webrtc.org>
Reviewed-by: Mirko Bonadei <mbonadei@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#25830}
2018-11-28 18:25:07 +00:00

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1.7 KiB
C++

/*
* Copyright (c) 2018 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.
*/
#ifndef MODULES_VIDEO_CODING_CODECS_VP9_SVC_RATE_ALLOCATOR_H_
#define MODULES_VIDEO_CODING_CODECS_VP9_SVC_RATE_ALLOCATOR_H_
#include <stddef.h>
#include <stdint.h>
#include <vector>
#include "api/video/video_bitrate_allocation.h"
#include "api/video/video_bitrate_allocator.h"
#include "api/video_codecs/video_codec.h"
namespace webrtc {
extern const float kSpatialLayeringRateScalingFactor;
extern const float kTemporalLayeringRateScalingFactor;
class SvcRateAllocator : public VideoBitrateAllocator {
public:
explicit SvcRateAllocator(const VideoCodec& codec);
VideoBitrateAllocation GetAllocation(uint32_t total_bitrate_bps,
uint32_t framerate_fps) override;
private:
VideoBitrateAllocation GetAllocationNormalVideo(
uint32_t total_bitrate_bps) const;
VideoBitrateAllocation GetAllocationScreenSharing(
uint32_t total_bitrate_bps) const;
std::vector<size_t> SplitBitrate(size_t num_layers,
size_t total_bitrate,
float rate_scaling_factor) const;
bool AdjustAndVerify(std::vector<size_t>* spatial_layer_bitrate_bps) const;
const VideoCodec codec_;
};
} // namespace webrtc
#endif // MODULES_VIDEO_CODING_CODECS_VP9_SVC_RATE_ALLOCATOR_H_