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