| /* |
| * 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_ |