87 lines
2.5 KiB
C++
87 lines
2.5 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=2 et sw=2 tw=80: */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at https://mozilla.org/MPL/2.0/. */
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#include "libwebrtcglue/FrameTransformer.h"
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#include "api/frame_transformer_interface.h"
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#include "mozilla/Mutex.h"
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#include <memory>
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#include <utility>
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#include "api/scoped_refptr.h"
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#include <stdint.h>
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#include "libwebrtcglue/FrameTransformerProxy.h"
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namespace mozilla {
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FrameTransformer::FrameTransformer(bool aVideo)
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: webrtc::FrameTransformerInterface(),
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mVideo(aVideo),
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mCallbacksMutex("FrameTransformer::mCallbacksMutex"),
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mProxyMutex("FrameTransformer::mProxyMutex") {}
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FrameTransformer::~FrameTransformer() {
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if (mProxy) {
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mProxy->SetLibwebrtcTransformer(nullptr);
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}
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}
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void FrameTransformer::Transform(
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std::unique_ptr<webrtc::TransformableFrameInterface> aFrame) {
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MutexAutoLock lock(mProxyMutex);
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if (mProxy) {
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mProxy->Transform(std::move(aFrame));
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return;
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}
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// No transformer, just passthrough
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OnTransformedFrame(std::move(aFrame));
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}
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void FrameTransformer::RegisterTransformedFrameCallback(
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rtc::scoped_refptr<webrtc::TransformedFrameCallback> aCallback) {
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MutexAutoLock lock(mCallbacksMutex);
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mCallback = aCallback;
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}
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void FrameTransformer::UnregisterTransformedFrameCallback() {
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MutexAutoLock lock(mCallbacksMutex);
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mCallback = nullptr;
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}
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void FrameTransformer::RegisterTransformedFrameSinkCallback(
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rtc::scoped_refptr<webrtc::TransformedFrameCallback> aCallback,
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uint32_t aSsrc) {
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MutexAutoLock lock(mCallbacksMutex);
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mCallbacksBySsrc[aSsrc] = aCallback;
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}
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void FrameTransformer::UnregisterTransformedFrameSinkCallback(uint32_t aSsrc) {
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MutexAutoLock lock(mCallbacksMutex);
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mCallbacksBySsrc.erase(aSsrc);
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}
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void FrameTransformer::OnTransformedFrame(
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std::unique_ptr<webrtc::TransformableFrameInterface> aFrame) {
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MutexAutoLock lock(mCallbacksMutex);
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if (mCallback) {
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mCallback->OnTransformedFrame(std::move(aFrame));
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} else if (auto it = mCallbacksBySsrc.find(aFrame->GetSsrc());
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it != mCallbacksBySsrc.end()) {
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it->second->OnTransformedFrame(std::move(aFrame));
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}
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}
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void FrameTransformer::SetProxy(FrameTransformerProxy* aProxy) {
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MutexAutoLock lock(mProxyMutex);
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if (mProxy) {
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mProxy->SetLibwebrtcTransformer(nullptr);
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}
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mProxy = aProxy;
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if (mProxy) {
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mProxy->SetLibwebrtcTransformer(this);
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}
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}
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} // namespace mozilla
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