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/*
* Copyright (c) 2017 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.
*/
#include "examples/unityplugin/video_observer.h"
void VideoObserver::SetVideoCallback(I420FRAMEREADY_CALLBACK callback) {
std::lock_guard<std::mutex> lock(mutex);
OnI420FrameReady = callback;
}
void VideoObserver::OnFrame(const webrtc::VideoFrame& frame) {
std::unique_lock<std::mutex> lock(mutex);
if (!OnI420FrameReady)
return;
rtc::scoped_refptr<webrtc::VideoFrameBuffer> buffer(
frame.video_frame_buffer());
if (buffer->type() != webrtc::VideoFrameBuffer::Type::kI420A) {
rtc::scoped_refptr<webrtc::I420BufferInterface> i420_buffer =
buffer->ToI420();
OnI420FrameReady(i420_buffer->DataY(), i420_buffer->DataU(),
i420_buffer->DataV(), nullptr, i420_buffer->StrideY(),
i420_buffer->StrideU(), i420_buffer->StrideV(), 0,
frame.width(), frame.height());
} else {
// The buffer has alpha channel.
const webrtc::I420ABufferInterface* i420a_buffer = buffer->GetI420A();
OnI420FrameReady(i420a_buffer->DataY(), i420a_buffer->DataU(),
i420a_buffer->DataV(), i420a_buffer->DataA(),
i420a_buffer->StrideY(), i420a_buffer->StrideU(),
i420a_buffer->StrideV(), i420a_buffer->StrideA(),
frame.width(), frame.height());
}
}
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