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