function_video_encoder_factory.h (2142B)
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/environment/environment.h" 20 #include "api/video_codecs/sdp_video_format.h" 21 #include "api/video_codecs/video_encoder.h" 22 #include "api/video_codecs/video_encoder_factory.h" 23 #include "rtc_base/checks.h" 24 25 namespace webrtc { 26 namespace test { 27 28 // An encoder factory producing encoders by calling a supplied create 29 // function. 30 class FunctionVideoEncoderFactory final : public VideoEncoderFactory { 31 public: 32 explicit FunctionVideoEncoderFactory( 33 std::function<std::unique_ptr<VideoEncoder>()> create) 34 : create_([create = std::move(create)](const Environment&, 35 const SdpVideoFormat&) { 36 return create(); 37 }) {} 38 explicit FunctionVideoEncoderFactory( 39 std::function<std::unique_ptr<VideoEncoder>(const Environment&, 40 const SdpVideoFormat&)> 41 create) 42 : create_(std::move(create)) {} 43 44 // Unused by tests. 45 std::vector<SdpVideoFormat> GetSupportedFormats() const override { 46 RTC_DCHECK_NOTREACHED(); 47 return {}; 48 } 49 50 std::unique_ptr<VideoEncoder> Create(const Environment& env, 51 const SdpVideoFormat& format) override { 52 return create_(env, format); 53 } 54 55 private: 56 const std::function<std::unique_ptr<VideoEncoder>(const Environment&, 57 const SdpVideoFormat&)> 58 create_; 59 }; 60 61 } // namespace test 62 } // namespace webrtc 63 64 #endif // API_TEST_VIDEO_FUNCTION_VIDEO_ENCODER_FACTORY_H_