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authorMatt A. Tobin <mattatobin@localhost.localdomain>2018-02-02 04:16:08 -0500
committerMatt A. Tobin <mattatobin@localhost.localdomain>2018-02-02 04:16:08 -0500
commit5f8de423f190bbb79a62f804151bc24824fa32d8 (patch)
tree10027f336435511475e392454359edea8e25895d /netwerk/protocol/device/CameraStreamImpl.cpp
parent49ee0794b5d912db1f95dce6eb52d781dc210db5 (diff)
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Add m-esr52 at 52.6.0
Diffstat (limited to 'netwerk/protocol/device/CameraStreamImpl.cpp')
-rw-r--r--netwerk/protocol/device/CameraStreamImpl.cpp114
1 files changed, 114 insertions, 0 deletions
diff --git a/netwerk/protocol/device/CameraStreamImpl.cpp b/netwerk/protocol/device/CameraStreamImpl.cpp
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+++ b/netwerk/protocol/device/CameraStreamImpl.cpp
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+/* 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 http://mozilla.org/MPL/2.0/. */
+
+#include "CameraStreamImpl.h"
+#include "GeneratedJNINatives.h"
+#include "nsCRTGlue.h"
+#include "nsThreadUtils.h"
+#include "nsXULAppAPI.h"
+#include "mozilla/Monitor.h"
+
+using namespace mozilla;
+
+namespace mozilla {
+namespace net {
+
+static CameraStreamImpl* mCamera0 = nullptr;
+static CameraStreamImpl* mCamera1 = nullptr;
+
+class CameraStreamImpl::Callback
+ : public java::GeckoAppShell::CameraCallback::Natives<Callback>
+{
+public:
+ static void OnFrameData(int32_t aCamera, jni::ByteArray::Param aData)
+ {
+ MOZ_ASSERT(NS_IsMainThread());
+
+ CameraStreamImpl* impl = GetInstance(uint32_t(aCamera));
+ if (impl) {
+ impl->TransmitFrame(aData);
+ }
+ }
+};
+
+/**
+ * CameraStreamImpl
+ */
+
+void CameraStreamImpl::TransmitFrame(jni::ByteArray::Param aData) {
+ if (!mCallback) {
+ return;
+ }
+
+ JNIEnv* const env = jni::GetGeckoThreadEnv();
+ const size_t length = size_t(env->GetArrayLength(aData.Get()));
+
+ if (!length) {
+ return;
+ }
+
+ jbyte* const data = env->GetByteArrayElements(aData.Get(), nullptr);
+ mCallback->ReceiveFrame(reinterpret_cast<char*>(data), length);
+ env->ReleaseByteArrayElements(aData.Get(), data, JNI_ABORT);
+}
+
+CameraStreamImpl* CameraStreamImpl::GetInstance(uint32_t aCamera) {
+ CameraStreamImpl* res = nullptr;
+ switch(aCamera) {
+ case 0:
+ if (mCamera0)
+ res = mCamera0;
+ else
+ res = mCamera0 = new CameraStreamImpl(aCamera);
+ break;
+ case 1:
+ if (mCamera1)
+ res = mCamera1;
+ else
+ res = mCamera1 = new CameraStreamImpl(aCamera);
+ break;
+ }
+ return res;
+}
+
+
+CameraStreamImpl::CameraStreamImpl(uint32_t aCamera) :
+ mInit(false), mCamera(aCamera)
+{
+ NS_WARNING("CameraStreamImpl::CameraStreamImpl()");
+ mWidth = 0;
+ mHeight = 0;
+ mFps = 0;
+}
+
+CameraStreamImpl::~CameraStreamImpl()
+{
+ NS_WARNING("CameraStreamImpl::~CameraStreamImpl()");
+}
+
+bool CameraStreamImpl::Init(const nsCString& contentType, const uint32_t& camera, const uint32_t& width, const uint32_t& height, FrameCallback* aCallback)
+{
+ mCallback = aCallback;
+ mWidth = width;
+ mHeight = height;
+
+ Callback::Init();
+ jni::IntArray::LocalRef retArray = java::GeckoAppShell::InitCamera(
+ contentType, int32_t(camera), int32_t(width), int32_t(height));
+ nsTArray<int32_t> ret = retArray->GetElements();
+
+ mWidth = uint32_t(ret[1]);
+ mHeight = uint32_t(ret[2]);
+ mFps = uint32_t(ret[3]);
+
+ return !!ret[0];
+}
+
+void CameraStreamImpl::Close() {
+ java::GeckoAppShell::CloseCamera();
+ mCallback = nullptr;
+}
+
+} // namespace net
+} // namespace mozilla