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Diffstat (limited to 'third_party/libwebrtc/api/video/builtin_video_bitrate_allocator_factory.cc')
-rw-r--r-- | third_party/libwebrtc/api/video/builtin_video_bitrate_allocator_factory.cc | 52 |
1 files changed, 52 insertions, 0 deletions
diff --git a/third_party/libwebrtc/api/video/builtin_video_bitrate_allocator_factory.cc b/third_party/libwebrtc/api/video/builtin_video_bitrate_allocator_factory.cc new file mode 100644 index 0000000000..252ae210b6 --- /dev/null +++ b/third_party/libwebrtc/api/video/builtin_video_bitrate_allocator_factory.cc @@ -0,0 +1,52 @@ +/* + * 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/attributes.h" +#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 { + // TODO(https://crbug.com/webrtc/14884): Update SvcRateAllocator to + // support simulcast and use it for VP9/AV1 simulcast as well. + if ((codec.codecType == kVideoCodecAV1 || + codec.codecType == kVideoCodecVP9) && + codec.numberOfSimulcastStreams <= 1) { + return std::make_unique<SvcRateAllocator>(codec); + } + return std::make_unique<SimulcastRateAllocator>(codec); + } +}; + +} // namespace + +std::unique_ptr<VideoBitrateAllocatorFactory> +CreateBuiltinVideoBitrateAllocatorFactory() { + return std::make_unique<BuiltinVideoBitrateAllocatorFactory>(); +} + +} // namespace webrtc |