summaryrefslogtreecommitdiffstats
path: root/netwerk/protocol/device/AndroidCaptureProvider.cpp
diff options
context:
space:
mode:
Diffstat (limited to 'netwerk/protocol/device/AndroidCaptureProvider.cpp')
-rw-r--r--netwerk/protocol/device/AndroidCaptureProvider.cpp301
1 files changed, 0 insertions, 301 deletions
diff --git a/netwerk/protocol/device/AndroidCaptureProvider.cpp b/netwerk/protocol/device/AndroidCaptureProvider.cpp
deleted file mode 100644
index e69766085..000000000
--- a/netwerk/protocol/device/AndroidCaptureProvider.cpp
+++ /dev/null
@@ -1,301 +0,0 @@
-/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
-/* 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 "base/basictypes.h"
-#include "AndroidCaptureProvider.h"
-#include "nsXULAppAPI.h"
-#include "nsStreamUtils.h"
-#include "nsThreadUtils.h"
-#include "nsMemory.h"
-#include "RawStructs.h"
-
-// The maximum number of frames we keep in our queue. Don't live in the past.
-#define MAX_FRAMES_QUEUED 10
-
-using namespace mozilla::net;
-
-NS_IMPL_ISUPPORTS(AndroidCameraInputStream, nsIInputStream, nsIAsyncInputStream)
-
-AndroidCameraInputStream::AndroidCameraInputStream() :
- mWidth(0), mHeight(0), mCamera(0), mHeaderSent(false), mClosed(true), mFrameSize(0),
- mMonitor("AndroidCamera.Monitor")
-{
- mAvailable = sizeof(RawVideoHeader);
- mFrameQueue = new nsDeque();
-}
-
-AndroidCameraInputStream::~AndroidCameraInputStream() {
- // clear the frame queue
- while (mFrameQueue->GetSize() > 0) {
- free(mFrameQueue->PopFront());
- }
- delete mFrameQueue;
-}
-
-NS_IMETHODIMP
-AndroidCameraInputStream::Init(nsACString& aContentType, nsCaptureParams* aParams)
-{
- if (!XRE_IsParentProcess())
- return NS_ERROR_NOT_IMPLEMENTED;
-
- mContentType = aContentType;
- mWidth = aParams->width;
- mHeight = aParams->height;
- mCamera = aParams->camera;
-
- CameraStreamImpl *impl = CameraStreamImpl::GetInstance(0);
- if (!impl)
- return NS_ERROR_OUT_OF_MEMORY;
- if (impl->Init(mContentType, mCamera, mWidth, mHeight, this)) {
- mWidth = impl->GetWidth();
- mHeight = impl->GetHeight();
- mClosed = false;
- }
- return NS_OK;
-}
-
-void AndroidCameraInputStream::ReceiveFrame(char* frame, uint32_t length) {
- {
- mozilla::ReentrantMonitorAutoEnter autoMonitor(mMonitor);
- if (mFrameQueue->GetSize() > MAX_FRAMES_QUEUED) {
- free(mFrameQueue->PopFront());
- mAvailable -= mFrameSize;
- }
- }
-
- mFrameSize = sizeof(RawPacketHeader) + length;
-
- char* fullFrame = (char*)moz_xmalloc(mFrameSize);
-
- if (!fullFrame)
- return;
-
- RawPacketHeader* header = (RawPacketHeader*) fullFrame;
- header->packetID = 0xFF;
- header->codecID = 0x595556; // "YUV"
-
- // we copy the Y plane, and de-interlace the CrCb
-
- uint32_t yFrameSize = mWidth * mHeight;
- uint32_t uvFrameSize = yFrameSize / 4;
-
- memcpy(fullFrame + sizeof(RawPacketHeader), frame, yFrameSize);
-
- char* uFrame = fullFrame + yFrameSize;
- char* vFrame = fullFrame + yFrameSize + uvFrameSize;
- char* yFrame = frame + yFrameSize;
- for (uint32_t i = 0; i < uvFrameSize; i++) {
- uFrame[i] = yFrame[2 * i + 1];
- vFrame[i] = yFrame[2 * i];
- }
-
- {
- mozilla::ReentrantMonitorAutoEnter autoMonitor(mMonitor);
- mAvailable += mFrameSize;
- mFrameQueue->Push((void*)fullFrame);
- }
-
- NotifyListeners();
-}
-
-NS_IMETHODIMP
-AndroidCameraInputStream::Available(uint64_t *aAvailable)
-{
- mozilla::ReentrantMonitorAutoEnter autoMonitor(mMonitor);
-
- *aAvailable = mAvailable;
-
- return NS_OK;
-}
-
-NS_IMETHODIMP AndroidCameraInputStream::IsNonBlocking(bool *aNonBlock) {
- *aNonBlock = true;
- return NS_OK;
-}
-
-NS_IMETHODIMP AndroidCameraInputStream::Read(char *aBuffer, uint32_t aCount, uint32_t *aRead) {
- return ReadSegments(NS_CopySegmentToBuffer, aBuffer, aCount, aRead);
-}
-
-NS_IMETHODIMP AndroidCameraInputStream::ReadSegments(nsWriteSegmentFun aWriter, void *aClosure, uint32_t aCount, uint32_t *aRead) {
- *aRead = 0;
-
- nsresult rv;
-
- if (mAvailable == 0)
- return NS_BASE_STREAM_WOULD_BLOCK;
-
- if (aCount > mAvailable)
- aCount = mAvailable;
-
- if (!mHeaderSent) {
- CameraStreamImpl *impl = CameraStreamImpl::GetInstance(0);
- RawVideoHeader header;
- header.headerPacketID = 0;
- header.codecID = 0x595556; // "YUV"
- header.majorVersion = 0;
- header.minorVersion = 1;
- header.options = 1 | 1 << 1; // color, 4:2:2
-
- header.alphaChannelBpp = 0;
- header.lumaChannelBpp = 8;
- header.chromaChannelBpp = 4;
- header.colorspace = 1;
-
- header.frameWidth = mWidth;
- header.frameHeight = mHeight;
- header.aspectNumerator = 1;
- header.aspectDenominator = 1;
-
- header.framerateNumerator = impl->GetFps();
- header.framerateDenominator = 1;
-
- rv = aWriter(this, aClosure, (const char*)&header, 0, sizeof(RawVideoHeader), aRead);
-
- if (NS_FAILED(rv))
- return NS_OK;
-
- mHeaderSent = true;
- aCount -= sizeof(RawVideoHeader);
- mAvailable -= sizeof(RawVideoHeader);
- }
-
- {
- mozilla::ReentrantMonitorAutoEnter autoMonitor(mMonitor);
- while ((mAvailable > 0) && (aCount >= mFrameSize)) {
- uint32_t readThisTime = 0;
-
- char* frame = (char*)mFrameQueue->PopFront();
- rv = aWriter(this, aClosure, (const char*)frame, *aRead, mFrameSize, &readThisTime);
-
- if (readThisTime != mFrameSize) {
- mFrameQueue->PushFront((void*)frame);
- return NS_OK;
- }
-
- // RawReader does a copy when calling VideoData::Create()
- free(frame);
-
- if (NS_FAILED(rv))
- return NS_OK;
-
- aCount -= readThisTime;
- mAvailable -= readThisTime;
- *aRead += readThisTime;
- }
- }
- return NS_OK;
-}
-
-NS_IMETHODIMP AndroidCameraInputStream::Close() {
- return CloseWithStatus(NS_OK);
-}
-
-
-/**
- * must be called on the main (java) thread
- */
-void AndroidCameraInputStream::doClose() {
- NS_ASSERTION(!mClosed, "Camera is already closed");
-
- CameraStreamImpl *impl = CameraStreamImpl::GetInstance(0);
- impl->Close();
- mClosed = true;
-}
-
-
-void AndroidCameraInputStream::NotifyListeners() {
- mozilla::ReentrantMonitorAutoEnter autoMonitor(mMonitor);
-
- if (mCallback && (mAvailable > sizeof(RawVideoHeader))) {
- nsCOMPtr<nsIInputStreamCallback> callback;
- if (mCallbackTarget) {
- callback = NS_NewInputStreamReadyEvent(mCallback, mCallbackTarget);
- } else {
- callback = mCallback;
- }
-
- NS_ASSERTION(callback, "Shouldn't fail to make the callback!");
-
- // Null the callback first because OnInputStreamReady may reenter AsyncWait
- mCallback = nullptr;
- mCallbackTarget = nullptr;
-
- callback->OnInputStreamReady(this);
- }
-}
-
-NS_IMETHODIMP AndroidCameraInputStream::AsyncWait(nsIInputStreamCallback *aCallback, uint32_t aFlags, uint32_t aRequestedCount, nsIEventTarget *aTarget)
-{
- if (aFlags != 0)
- return NS_ERROR_NOT_IMPLEMENTED;
-
- if (mCallback || mCallbackTarget)
- return NS_ERROR_UNEXPECTED;
-
- mCallbackTarget = aTarget;
- mCallback = aCallback;
-
- // What we are being asked for may be present already
- NotifyListeners();
- return NS_OK;
-}
-
-
-NS_IMETHODIMP AndroidCameraInputStream::CloseWithStatus(nsresult status)
-{
- AndroidCameraInputStream::doClose();
- return NS_OK;
-}
-
-/**
- * AndroidCaptureProvider implementation
- */
-
-NS_IMPL_ISUPPORTS0(AndroidCaptureProvider)
-
-AndroidCaptureProvider* AndroidCaptureProvider::sInstance = nullptr;
-
-AndroidCaptureProvider::AndroidCaptureProvider() {
-}
-
-AndroidCaptureProvider::~AndroidCaptureProvider() {
- AndroidCaptureProvider::sInstance = nullptr;
-}
-
-nsresult AndroidCaptureProvider::Init(nsACString& aContentType,
- nsCaptureParams* aParams,
- nsIInputStream** aStream) {
-
- NS_ENSURE_ARG_POINTER(aParams);
-
- NS_ASSERTION(aParams->frameLimit == 0 || aParams->timeLimit == 0,
- "Cannot set both a frame limit and a time limit!");
-
- RefPtr<AndroidCameraInputStream> stream;
-
- if (aContentType.EqualsLiteral("video/x-raw-yuv")) {
- stream = new AndroidCameraInputStream();
- if (stream) {
- nsresult rv = stream->Init(aContentType, aParams);
- if (NS_FAILED(rv))
- return rv;
- }
- else
- return NS_ERROR_OUT_OF_MEMORY;
- } else {
- NS_NOTREACHED("Should not have asked Android for this type!");
- }
- stream.forget(aStream);
- return NS_OK;
-}
-
-already_AddRefed<AndroidCaptureProvider> GetAndroidCaptureProvider() {
- if (!AndroidCaptureProvider::sInstance) {
- AndroidCaptureProvider::sInstance = new AndroidCaptureProvider();
- }
- RefPtr<AndroidCaptureProvider> ret = AndroidCaptureProvider::sInstance;
- return ret.forget();
-}