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/*
* Copyright (c) 2019 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_PC_E2E_ANALYZER_VIDEO_SIMULCAST_DUMMY_BUFFER_HELPER_H_
#define TEST_PC_E2E_ANALYZER_VIDEO_SIMULCAST_DUMMY_BUFFER_HELPER_H_
#include "api/video/video_frame.h"
#include "api/video/video_frame_buffer.h"
namespace webrtc {
namespace webrtc_pc_e2e {
// Creates a special video frame buffer that should be used to create frames
// during Selective Forwarding Unit (SFU) emulation. Such frames are used when
// original was discarded and some frame is required to be passed upstream
// to make WebRTC pipeline happy and not request key frame on the received
// stream due to lack of incoming frames.
rtc::scoped_refptr<webrtc::VideoFrameBuffer> CreateDummyFrameBuffer();
// Tests if provided frame contains a buffer created by
// `CreateDummyFrameBuffer`.
bool IsDummyFrame(const webrtc::VideoFrame& video_frame);
} // namespace webrtc_pc_e2e
} // namespace webrtc
#endif // TEST_PC_E2E_ANALYZER_VIDEO_SIMULCAST_DUMMY_BUFFER_HELPER_H_