webrtc/api/video/builtin_video_bitrate_allocator_factory.cc
Danil Chapovalov 9c99b7964f Use SvcRateAllocator for av1
same as VP9, Av1 encoder supports spatial scalability and thus
SvcRateAllocator better fits for it than SimulcastRateAllocator

Bug: webrtc:12148
Change-Id: I3f78afb3aec00b6a8a7242fe8dce07752e7a514e
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/191960
Reviewed-by: Philip Eliasson <philipel@webrtc.org>
Reviewed-by: Rasmus Brandt <brandtr@webrtc.org>
Commit-Queue: Danil Chapovalov <danilchap@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#32565}
2020-11-06 10:23:17 +00:00

50 lines
1.5 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.
*/
#include "api/video/builtin_video_bitrate_allocator_factory.h"
#include <memory>
#include "absl/base/macros.h"
#include "api/video/video_bitrate_allocator.h"
#include "api/video_codecs/video_codec.h"
#include "modules/video_coding/svc/svc_rate_allocator.h"
#include "modules/video_coding/utility/simulcast_rate_allocator.h"
namespace webrtc {
namespace {
class BuiltinVideoBitrateAllocatorFactory
: public VideoBitrateAllocatorFactory {
public:
BuiltinVideoBitrateAllocatorFactory() = default;
~BuiltinVideoBitrateAllocatorFactory() override = default;
std::unique_ptr<VideoBitrateAllocator> CreateVideoBitrateAllocator(
const VideoCodec& codec) override {
switch (codec.codecType) {
case kVideoCodecAV1:
case kVideoCodecVP9:
return std::make_unique<SvcRateAllocator>(codec);
default:
return std::make_unique<SimulcastRateAllocator>(codec);
}
}
};
} // namespace
std::unique_ptr<VideoBitrateAllocatorFactory>
CreateBuiltinVideoBitrateAllocatorFactory() {
return std::make_unique<BuiltinVideoBitrateAllocatorFactory>();
}
} // namespace webrtc