|  | /* | 
|  | *  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 TEST_VIDEO_ENCODER_NULLABLE_PROXY_FACTORY_H_ | 
|  | #define TEST_VIDEO_ENCODER_NULLABLE_PROXY_FACTORY_H_ | 
|  |  | 
|  | #include <memory> | 
|  |  | 
|  | #include "api/environment/environment.h" | 
|  | #include "api/video_codecs/sdp_video_format.h" | 
|  | #include "api/video_codecs/video_encoder.h" | 
|  | #include "api/video_codecs/video_encoder_factory.h" | 
|  | #include "test/video_encoder_proxy_factory.h" | 
|  |  | 
|  | namespace webrtc { | 
|  | namespace test { | 
|  |  | 
|  | class VideoEncoderNullableProxyFactory final : public VideoEncoderProxyFactory { | 
|  | public: | 
|  | explicit VideoEncoderNullableProxyFactory( | 
|  | VideoEncoder* encoder, | 
|  | EncoderSelectorInterface* encoder_selector) | 
|  | : VideoEncoderProxyFactory(encoder, encoder_selector) {} | 
|  |  | 
|  | ~VideoEncoderNullableProxyFactory() override = default; | 
|  |  | 
|  | std::unique_ptr<VideoEncoder> Create(const Environment& env, | 
|  | const SdpVideoFormat& format) override { | 
|  | if (!encoder_) { | 
|  | return nullptr; | 
|  | } | 
|  | return VideoEncoderProxyFactory::Create(env, format); | 
|  | } | 
|  | }; | 
|  |  | 
|  | }  // namespace test | 
|  | }  // namespace webrtc | 
|  |  | 
|  | #endif  // TEST_VIDEO_ENCODER_NULLABLE_PROXY_FACTORY_H_ |