1 /* 2 * Copyright (c) 2018 The WebRTC project authors. All Rights Reserved. 3 * 4 * Use of this source code is governed by a BSD-style license 5 * that can be found in the LICENSE file in the root of the source 6 * tree. An additional intellectual property rights grant can be found 7 * in the file PATENTS. All contributing project authors may 8 * be found in the AUTHORS file in the root of the source tree. 9 */ 10 11 #ifndef API_TEST_VIDEO_FUNCTION_VIDEO_ENCODER_FACTORY_H_ 12 #define API_TEST_VIDEO_FUNCTION_VIDEO_ENCODER_FACTORY_H_ 13 14 #include <functional> 15 #include <memory> 16 #include <utility> 17 #include <vector> 18 19 #include "api/video_codecs/sdp_video_format.h" 20 #include "api/video_codecs/video_encoder.h" 21 #include "api/video_codecs/video_encoder_factory.h" 22 #include "rtc_base/checks.h" 23 24 namespace webrtc { 25 namespace test { 26 27 // An encoder factory producing encoders by calling a supplied create 28 // function. 29 class FunctionVideoEncoderFactory final : public VideoEncoderFactory { 30 public: FunctionVideoEncoderFactory(std::function<std::unique_ptr<VideoEncoder> ()> create)31 explicit FunctionVideoEncoderFactory( 32 std::function<std::unique_ptr<VideoEncoder>()> create) 33 : create_([create = std::move(create)](const SdpVideoFormat&) { 34 return create(); 35 }) {} FunctionVideoEncoderFactory(std::function<std::unique_ptr<VideoEncoder> (const SdpVideoFormat &)> create)36 explicit FunctionVideoEncoderFactory( 37 std::function<std::unique_ptr<VideoEncoder>(const SdpVideoFormat&)> 38 create) 39 : create_(std::move(create)) {} 40 41 // Unused by tests. GetSupportedFormats()42 std::vector<SdpVideoFormat> GetSupportedFormats() const override { 43 RTC_DCHECK_NOTREACHED(); 44 return {}; 45 } 46 CreateVideoEncoder(const SdpVideoFormat & format)47 std::unique_ptr<VideoEncoder> CreateVideoEncoder( 48 const SdpVideoFormat& format) override { 49 return create_(format); 50 } 51 52 private: 53 const std::function<std::unique_ptr<VideoEncoder>(const SdpVideoFormat&)> 54 create_; 55 }; 56 57 } // namespace test 58 } // namespace webrtc 59 60 #endif // API_TEST_VIDEO_FUNCTION_VIDEO_ENCODER_FACTORY_H_ 61