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/*
* Copyright (c) 2022 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 VIDEO_CONFIG_ENCODER_STREAM_FACTORY_H_
#define VIDEO_CONFIG_ENCODER_STREAM_FACTORY_H_
#include <string>
#include <vector>
#include "api/transport/field_trial_based_config.h"
#include "api/units/data_rate.h"
#include "api/video_codecs/video_encoder.h"
#include "video/config/video_encoder_config.h"
namespace cricket {
class EncoderStreamFactory
: public webrtc::VideoEncoderConfig::VideoStreamFactoryInterface {
public:
// Note: this constructor is used by testcase in downstream.
EncoderStreamFactory(std::string codec_name,
int max_qp,
bool is_screenshare,
bool conference_mode);
EncoderStreamFactory(std::string codec_name,
int max_qp,
bool is_screenshare,
bool conference_mode,
const webrtc::VideoEncoder::EncoderInfo& encoder_info,
const webrtc::FieldTrialsView* trials = nullptr);
private:
std::vector<webrtc::VideoStream> CreateEncoderStreams(
int width,
int height,
const webrtc::VideoEncoderConfig& encoder_config) override;
std::vector<webrtc::VideoStream> CreateDefaultVideoStreams(
int width,
int height,
const webrtc::VideoEncoderConfig& encoder_config,
const absl::optional<webrtc::DataRate>& experimental_min_bitrate) const;
std::vector<webrtc::VideoStream>
CreateSimulcastOrConferenceModeScreenshareStreams(
int width,
int height,
const webrtc::VideoEncoderConfig& encoder_config,
const absl::optional<webrtc::DataRate>& experimental_min_bitrate) const;
webrtc::Resolution GetLayerResolutionFromRequestedResolution(
int in_frame_width,
int in_frame_height,
webrtc::Resolution requested_resolution) const;
const std::string codec_name_;
const int max_qp_;
const bool is_screenshare_;
// Allows a screenshare specific configuration, which enables temporal
// layering and various settings.
const bool conference_mode_;
const webrtc::FieldTrialBasedConfig fallback_trials_;
const webrtc::FieldTrialsView& trials_;
const int encoder_info_requested_resolution_alignment_;
};
} // namespace cricket
#endif // VIDEO_CONFIG_ENCODER_STREAM_FACTORY_H_