webrtc/api/video_codecs/vp8_temporal_layers.h
Elad Alon 979c4426a4 Rename "UpdateLayerConfig" to "NextFrameConfig"
Rename "UpdateLayerConfig" to the more appropriate "NextFrameConfig".
Also update some comments in vp8_frame_buffer_controller.h.

Bug: None
Change-Id: Iba8227f84e33e5ebd28d2eeb10fe03e776036603
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/133202
Commit-Queue: Elad Alon <eladalon@webrtc.org>
Reviewed-by: Erik Språng <sprang@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#27660}
2019-04-17 11:59:07 +00:00

73 lines
2.5 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.
*/
#ifndef API_VIDEO_CODECS_VP8_TEMPORAL_LAYERS_H_
#define API_VIDEO_CODECS_VP8_TEMPORAL_LAYERS_H_
#include <memory>
#include <vector>
#include "api/video_codecs/video_codec.h"
#include "api/video_codecs/vp8_frame_buffer_controller.h"
#include "api/video_codecs/vp8_frame_config.h"
namespace webrtc {
// Two different flavors of temporal layers are currently available:
// kFixedPattern uses a fixed repeating pattern of 1-4 layers.
// kBitrateDynamic can allocate frames dynamically to 1 or 2 layers, based on
// the bitrate produced.
// TODO(eladalon): Remove this enum.
enum class Vp8TemporalLayersType { kFixedPattern, kBitrateDynamic };
// This interface defines a way of getting the encoder settings needed to
// realize a temporal layer structure.
class Vp8TemporalLayers final : public Vp8FrameBufferController {
public:
explicit Vp8TemporalLayers(
std::vector<std::unique_ptr<Vp8FrameBufferController>>&& controllers);
~Vp8TemporalLayers() override = default;
size_t StreamCount() const override;
bool SupportsEncoderFrameDropping(size_t stream_index) const override;
void OnRatesUpdated(size_t stream_index,
const std::vector<uint32_t>& bitrates_bps,
int framerate_fps) override;
bool UpdateConfiguration(size_t stream_index, Vp8EncoderConfig* cfg) override;
Vp8FrameConfig NextFrameConfig(size_t stream_index,
uint32_t rtp_timestamp) override;
void OnEncodeDone(size_t stream_index,
uint32_t rtp_timestamp,
size_t size_bytes,
bool is_keyframe,
int qp,
CodecSpecificInfo* info) override;
void OnFrameDropped(size_t stream_index, uint32_t rtp_timestamp) override;
void OnPacketLossRateUpdate(float packet_loss_rate) override;
void OnRttUpdate(int64_t rtt_ms) override;
void OnLossNotification(
const VideoEncoder::LossNotification& loss_notification) override;
private:
std::vector<std::unique_ptr<Vp8FrameBufferController>> controllers_;
};
} // namespace webrtc
#endif // API_VIDEO_CODECS_VP8_TEMPORAL_LAYERS_H_