1 /* 2 * Copyright (c) 2019 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 TEST_PC_E2E_ANALYZER_VIDEO_SIMULCAST_DUMMY_BUFFER_HELPER_H_ 12 #define TEST_PC_E2E_ANALYZER_VIDEO_SIMULCAST_DUMMY_BUFFER_HELPER_H_ 13 14 #include "api/video/video_frame.h" 15 #include "api/video/video_frame_buffer.h" 16 17 namespace webrtc { 18 namespace webrtc_pc_e2e { 19 20 // Creates a special video frame buffer that should be used to create frames 21 // during Selective Forwarding Unit (SFU) emulation. Such frames are used when 22 // original was discarded and some frame is required to be passed upstream 23 // to make WebRTC pipeline happy and not request key frame on the received 24 // stream due to lack of incoming frames. 25 rtc::scoped_refptr<webrtc::VideoFrameBuffer> CreateDummyFrameBuffer(); 26 27 // Tests if provided frame contains a buffer created by 28 // `CreateDummyFrameBuffer`. 29 bool IsDummyFrame(const webrtc::VideoFrame& video_frame); 30 31 } // namespace webrtc_pc_e2e 32 } // namespace webrtc 33 34 #endif // TEST_PC_E2E_ANALYZER_VIDEO_SIMULCAST_DUMMY_BUFFER_HELPER_H_ 35