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6c371ca700
Bug: webrtc:10501 Change-Id: I33e8bfcf16cf24aadcfdf214d7d9bcd495bf9348 Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/131021 Commit-Queue: Elad Alon <eladalon@webrtc.org> Reviewed-by: Erik Språng <sprang@webrtc.org> Cr-Commit-Position: refs/heads/master@{#27449}
71 lines
2.4 KiB
C++
71 lines
2.4 KiB
C++
/*
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* Copyright (c) 2018 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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#ifndef API_VIDEO_CODECS_VP8_TEMPORAL_LAYERS_H_
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#define API_VIDEO_CODECS_VP8_TEMPORAL_LAYERS_H_
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#include <memory>
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#include <vector>
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#include "api/video_codecs/video_codec.h"
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#include "api/video_codecs/vp8_frame_buffer_controller.h"
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#include "api/video_codecs/vp8_frame_config.h"
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namespace webrtc {
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// Two different flavors of temporal layers are currently available:
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// kFixedPattern uses a fixed repeating pattern of 1-4 layers.
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// kBitrateDynamic can allocate frames dynamically to 1 or 2 layers, based on
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// the bitrate produced.
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// TODO(eladalon): Remove this enum.
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enum class Vp8TemporalLayersType { kFixedPattern, kBitrateDynamic };
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// This interface defines a way of getting the encoder settings needed to
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// realize a temporal layer structure.
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class Vp8TemporalLayers final : public Vp8FrameBufferController {
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public:
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explicit Vp8TemporalLayers(
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std::vector<std::unique_ptr<Vp8FrameBufferController>>&& controllers);
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~Vp8TemporalLayers() override = default;
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size_t StreamCount() const override;
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bool SupportsEncoderFrameDropping(size_t stream_index) const override;
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void OnRatesUpdated(size_t stream_index,
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const std::vector<uint32_t>& bitrates_bps,
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int framerate_fps) override;
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bool UpdateConfiguration(size_t stream_index, Vp8EncoderConfig* cfg) override;
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Vp8FrameConfig UpdateLayerConfig(size_t stream_index,
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uint32_t rtp_timestamp) override;
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void OnEncodeDone(size_t stream_index,
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uint32_t rtp_timestamp,
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size_t size_bytes,
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bool is_keyframe,
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int qp,
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CodecSpecificInfo* info) override;
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void OnPacketLossRateUpdate(float packet_loss_rate) override;
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void OnRttUpdate(int64_t rtt_ms) override;
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void OnLossNotification(
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const VideoEncoder::LossNotification loss_notification) override;
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private:
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std::vector<std::unique_ptr<Vp8FrameBufferController>> controllers_;
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};
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} // namespace webrtc
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#endif // API_VIDEO_CODECS_VP8_TEMPORAL_LAYERS_H_
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