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gecko/dom/camera/GonkCameraControl.cpp

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/*
* Copyright (C) 2012-2014 Mozilla Foundation
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include "GonkCameraControl.h"
#include <time.h>
#include <string.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <errno.h>
#include <libgen.h>
#include "base/basictypes.h"
#include "camera/CameraParameters.h"
#include "nsCOMPtr.h"
#include "nsMemory.h"
#include "nsThread.h"
#include <media/MediaProfiles.h>
#include "mozilla/FileUtils.h"
#include "mozilla/Services.h"
#include "mozilla/unused.h"
#include "mozilla/ipc/FileDescriptorUtils.h"
#include "nsAlgorithm.h"
#include <media/mediaplayer.h>
#include "nsPrintfCString.h"
#include "nsIObserverService.h"
#include "nsIVolume.h"
#include "nsIVolumeService.h"
#include "AutoRwLock.h"
#include "GonkCameraHwMgr.h"
#include "GonkRecorderProfiles.h"
#include "CameraCommon.h"
#include "GonkCameraParameters.h"
#include "DeviceStorageFileDescriptor.h"
using namespace mozilla;
using namespace mozilla::layers;
using namespace mozilla::gfx;
using namespace mozilla::ipc;
using namespace android;
#define RETURN_IF_NO_CAMERA_HW() \
do { \
if (!mCameraHw.get()) { \
NS_WARNING("Camera hardware is not initialized"); \
DOM_CAMERA_LOGE("%s:%d : mCameraHw is null\n", __func__, __LINE__); \
return NS_ERROR_NOT_INITIALIZED; \
} \
} while(0)
// Construct nsGonkCameraControl on the main thread.
nsGonkCameraControl::nsGonkCameraControl(uint32_t aCameraId)
: CameraControlImpl(aCameraId)
, mLastPictureSize({0, 0})
, mLastThumbnailSize({0, 0})
, mPreviewFps(30)
, mResumePreviewAfterTakingPicture(false) // XXXmikeh - see bug 950102
, mFlashSupported(false)
, mLuminanceSupported(false)
, mAutoFlashModeOverridden(false)
, mSeparateVideoAndPreviewSizesSupported(false)
, mDeferConfigUpdate(0)
, mRecorder(nullptr)
, mRecorderMonitor("GonkCameraControl::mRecorder.Monitor")
, mVideoFile(nullptr)
, mReentrantMonitor("GonkCameraControl::OnTakePicture.Monitor")
{
// Constructor runs on the main thread...
DOM_CAMERA_LOGT("%s:%d : this=%p\n", __func__, __LINE__, this);
mImageContainer = LayerManager::CreateImageContainer();
}
nsresult
nsGonkCameraControl::StartImpl(const Configuration* aInitialConfig)
{
MOZ_ASSERT(NS_GetCurrentThread() == mCameraThread);
nsresult rv = StartInternal(aInitialConfig);
if (NS_WARN_IF(NS_FAILED(rv))) {
OnHardwareStateChange(CameraControlListener::kHardwareOpenFailed);
}
return rv;
}
nsresult
nsGonkCameraControl::StartInternal(const Configuration* aInitialConfig)
{
/**
* For initialization, we try to return the camera control to the upper
* upper layer (i.e. the DOM) as quickly as possible. To do this, the
* camera is initialized in the following stages:
*
* 0. Initialize() initializes the hardware;
* 1. SetConfigurationInternal() does the minimal configuration
* required so that we can start the preview -and- report a valid
* configuration to the upper layer;
* 2. OnHardwareStateChange() reports that the hardware is ready,
* which the upper (e.g. DOM) layer can (and does) use to return
* the camera control object;
* 3. StartPreviewImpl() starts the flow of preview frames from the
* camera hardware.
*
* The intent of the above flow is to let the Main Thread do as much work
* up-front as possible without waiting for blocking Camera Thread calls
* to complete.
*/
nsresult rv = Initialize();
switch (rv) {
case NS_ERROR_ALREADY_INITIALIZED:
case NS_OK:
break;
default:
return rv;
}
if (aInitialConfig) {
rv = SetConfigurationInternal(*aInitialConfig);
if (NS_WARN_IF(NS_FAILED(rv))) {
// The initial configuration failed, close up the hardware
StopImpl();
return rv;
}
}
OnHardwareStateChange(CameraControlListener::kHardwareOpen);
if (aInitialConfig) {
return StartPreviewImpl();
}
return NS_OK;
}
nsresult
nsGonkCameraControl::Initialize()
{
if (mCameraHw.get()) {
DOM_CAMERA_LOGI("Camera %d already connected (this=%p)\n", mCameraId, this);
return NS_ERROR_ALREADY_INITIALIZED;
}
mCameraHw = GonkCameraHardware::Connect(this, mCameraId);
if (!mCameraHw.get()) {
DOM_CAMERA_LOGE("Failed to connect to camera %d (this=%p)\n", mCameraId, this);
return NS_ERROR_NOT_INITIALIZED;
}
DOM_CAMERA_LOGI("Initializing camera %d (this=%p, mCameraHw=%p)\n", mCameraId, this, mCameraHw.get());
mCurrentConfiguration.mRecorderProfile.Truncate();
// Initialize our camera configuration database.
PullParametersImpl();
// Set preferred preview frame format.
mParams.Set(CAMERA_PARAM_PREVIEWFORMAT, NS_LITERAL_STRING("yuv420sp"));
// Turn off any normal pictures returned by the HDR scene mode
mParams.Set(CAMERA_PARAM_SCENEMODE_HDR_RETURNNORMALPICTURE, false);
PushParametersImpl();
// Grab any other settings we'll need later.
mParams.Get(CAMERA_PARAM_PICTURE_FILEFORMAT, mFileFormat);
mParams.Get(CAMERA_PARAM_THUMBNAILSIZE, mLastThumbnailSize);
// The emulator's camera returns -1 for these values; bump them up to 0
int areas;
mParams.Get(CAMERA_PARAM_SUPPORTED_MAXMETERINGAREAS, areas);
mCurrentConfiguration.mMaxMeteringAreas = areas != -1 ? areas : 0;
mParams.Get(CAMERA_PARAM_SUPPORTED_MAXFOCUSAREAS, areas);
mCurrentConfiguration.mMaxFocusAreas = areas != -1 ? areas : 0;
mParams.Get(CAMERA_PARAM_PICTURE_SIZE, mLastPictureSize);
mParams.Get(CAMERA_PARAM_PREVIEWSIZE, mCurrentConfiguration.mPreviewSize);
nsString luminance; // check for support
mParams.Get(CAMERA_PARAM_LUMINANCE, luminance);
mLuminanceSupported = !luminance.IsEmpty();
nsString flashMode;
mParams.Get(CAMERA_PARAM_FLASHMODE, flashMode);
mFlashSupported = !flashMode.IsEmpty();
double quality; // informational only
mParams.Get(CAMERA_PARAM_PICTURE_QUALITY, quality);
DOM_CAMERA_LOGI(" - maximum metering areas: %u\n", mCurrentConfiguration.mMaxMeteringAreas);
DOM_CAMERA_LOGI(" - maximum focus areas: %u\n", mCurrentConfiguration.mMaxFocusAreas);
DOM_CAMERA_LOGI(" - default picture size: %u x %u\n",
mLastPictureSize.width, mLastPictureSize.height);
DOM_CAMERA_LOGI(" - default picture file format: %s\n",
NS_ConvertUTF16toUTF8(mFileFormat).get());
DOM_CAMERA_LOGI(" - default picture quality: %f\n", quality);
DOM_CAMERA_LOGI(" - default thumbnail size: %u x %u\n",
mLastThumbnailSize.width, mLastThumbnailSize.height);
DOM_CAMERA_LOGI(" - default preview size: %u x %u\n",
mCurrentConfiguration.mPreviewSize.width, mCurrentConfiguration.mPreviewSize.height);
DOM_CAMERA_LOGI(" - luminance reporting: %ssupported\n",
mLuminanceSupported ? "" : "NOT ");
if (mFlashSupported) {
DOM_CAMERA_LOGI(" - flash: supported, default mode '%s'\n",
NS_ConvertUTF16toUTF8(flashMode).get());
} else {
DOM_CAMERA_LOGI(" - flash: NOT supported\n");
}
nsAutoTArray<Size, 16> sizes;
mParams.Get(CAMERA_PARAM_SUPPORTED_VIDEOSIZES, sizes);
if (sizes.Length() > 0) {
mSeparateVideoAndPreviewSizesSupported = true;
DOM_CAMERA_LOGI(" - support for separate preview and video sizes\n");
mParams.Get(CAMERA_PARAM_VIDEOSIZE, mLastRecorderSize);
DOM_CAMERA_LOGI(" - default video recorder size: %u x %u\n",
mLastRecorderSize.width, mLastRecorderSize.height);
} else {
mLastRecorderSize = mCurrentConfiguration.mPreviewSize;
}
return NS_OK;
}
nsGonkCameraControl::~nsGonkCameraControl()
{
DOM_CAMERA_LOGT("%s:%d : this=%p, mCameraHw = %p\n", __func__, __LINE__, this, mCameraHw.get());
StopImpl();
DOM_CAMERA_LOGT("%s:%d\n", __func__, __LINE__);
}
nsresult
nsGonkCameraControl::SetConfigurationInternal(const Configuration& aConfig)
{
DOM_CAMERA_LOGT("%s:%d\n", __func__, __LINE__);
nsresult rv;
{
ICameraControlParameterSetAutoEnter set(this);
switch (aConfig.mMode) {
case kPictureMode:
rv = SetPictureConfiguration(aConfig);
break;
case kVideoMode:
rv = SetVideoConfiguration(aConfig);
break;
default:
MOZ_ASSERT_UNREACHABLE("Unanticipated camera mode in SetConfigurationInternal()");
rv = NS_ERROR_FAILURE;
break;
}
DOM_CAMERA_LOGT("%s:%d\n", __func__, __LINE__);
if (NS_WARN_IF(NS_FAILED(rv))) {
return rv;
}
rv = Set(CAMERA_PARAM_RECORDINGHINT, aConfig.mMode == kVideoMode);
if (NS_FAILED(rv)) {
DOM_CAMERA_LOGE("Failed to set recording hint (0x%x)\n", rv);
}
}
mCurrentConfiguration.mMode = aConfig.mMode;
mCurrentConfiguration.mRecorderProfile = aConfig.mRecorderProfile;
OnConfigurationChange();
return NS_OK;
}
nsresult
nsGonkCameraControl::SetConfigurationImpl(const Configuration& aConfig)
{
DOM_CAMERA_LOGT("%s:%d\n", __func__, __LINE__);
MOZ_ASSERT(NS_GetCurrentThread() == mCameraThread);
if (aConfig.mMode == kUnspecifiedMode) {
DOM_CAMERA_LOGW("Can't set camera mode to 'unspecified', ignoring\n");
return NS_ERROR_INVALID_ARG;
}
// Stop any currently running preview
nsresult rv = PausePreview();
if (NS_FAILED(rv)) {
DOM_CAMERA_LOGW("PausePreview() in SetConfigurationImpl() failed (0x%x)\n", rv);
if (rv == NS_ERROR_NOT_INITIALIZED) {
// If there no hardware available, nothing else we try will work,
// so bail out here.
return rv;
}
}
DOM_CAMERA_LOGT("%s:%d\n", __func__, __LINE__);
rv = SetConfigurationInternal(aConfig);
if (NS_WARN_IF(NS_FAILED(rv))) {
StopPreviewImpl();
return rv;
}
// Restart the preview
DOM_CAMERA_LOGT("%s:%d\n", __func__, __LINE__);
return StartPreviewImpl();
}
nsresult
nsGonkCameraControl::MaybeAdjustVideoSize()
{
MOZ_ASSERT(NS_GetCurrentThread() == mCameraThread);
MOZ_ASSERT(mSeparateVideoAndPreviewSizesSupported);
const Size& preview = mCurrentConfiguration.mPreviewSize;
// Some camera drivers will ignore our preview size if it's larger
// than the currently set video recording size, so in picture mode, we
// give preview size priority, and bump up the video size just in case.
// This is done on a best-effort basis.
if (preview.width <= mLastRecorderSize.width &&
preview.height <= mLastRecorderSize.height) {
DOM_CAMERA_LOGI("Video size %ux%u is suitable for preview size %ux%u\n",
mLastRecorderSize.width, mLastRecorderSize.height,
preview.width, preview.height);
return NS_OK;
}
nsTArray<Size> sizes;
nsresult rv = Get(CAMERA_PARAM_SUPPORTED_VIDEOSIZES, sizes);
if (NS_WARN_IF(NS_FAILED(rv))) {
return rv;
}
const uint32_t previewArea = preview.width * preview.height;
uint32_t bestDelta = UINT32_MAX;
bool foundBest = false;
SizeIndex best;
for (SizeIndex i = 0; i < sizes.Length(); ++i) {
const Size& s = sizes[i];
if (s.width < preview.width || s.height < preview.height) {
continue;
}
const uint32_t area = s.width * s.height;
const uint32_t delta = area - previewArea;
if (delta < bestDelta) {
bestDelta = delta;
best = i;
foundBest = true;
}
}
if (!foundBest) {
// If no candidate was found, the driver will be fine with a video size
// smaller than the chosen preview size.
DOM_CAMERA_LOGI("No video size candidate for preview size %ux%u (0x%x)\n",
preview.width, preview.height, rv);
return NS_OK;
}
DOM_CAMERA_LOGI("Adjusting video size upwards to %ux%u\n",
sizes[best].width, sizes[best].height);
rv = Set(CAMERA_PARAM_VIDEOSIZE, sizes[best]);
if (NS_FAILED(rv)) {
DOM_CAMERA_LOGW("Failed to adjust video size for preview size %ux%u (0x%x)\n",
preview.width, preview.height, rv);
return rv;
}
mLastRecorderSize = preview;
return NS_OK;
}
nsresult
nsGonkCameraControl::SetPictureConfiguration(const Configuration& aConfig)
{
DOM_CAMERA_LOGT("%s:%d\n", __func__, __LINE__);
MOZ_ASSERT(NS_GetCurrentThread() == mCameraThread);
nsTArray<Size> sizes;
nsresult rv = Get(CAMERA_PARAM_SUPPORTED_PREVIEWSIZES, sizes);
if (NS_WARN_IF(NS_FAILED(rv))) {
return rv;
}
Size preview;
rv = GetSupportedSize(aConfig.mPreviewSize, sizes, preview);
if (NS_FAILED(rv)) {
DOM_CAMERA_LOGE(
"Failed to find a supported preview size, requested size %ux%u (0x%x)",
aConfig.mPreviewSize.width, aConfig.mPreviewSize.height, rv);
return rv;
}
rv = Set(CAMERA_PARAM_PREVIEWSIZE, preview);
if (NS_FAILED(rv)) {
DOM_CAMERA_LOGE("Failed to set supported preview size %ux%u (0x%x)",
preview.width, preview.height, rv);
return rv;
}
mCurrentConfiguration.mPreviewSize = preview;
if (mSeparateVideoAndPreviewSizesSupported) {
MaybeAdjustVideoSize();
}
mParams.Get(CAMERA_PARAM_PREVIEWFRAMERATE, mPreviewFps);
DOM_CAMERA_LOGI("picture mode preview: wanted %ux%u, got %ux%u (%u fps)\n",
aConfig.mPreviewSize.width, aConfig.mPreviewSize.height,
preview.width, preview.height,
mPreviewFps);
return NS_OK;
}
// Parameter management.
nsresult
nsGonkCameraControl::PushParameters()
{
uint32_t dcu = mDeferConfigUpdate;
if (dcu > 0) {
DOM_CAMERA_LOGI("Defering config update (nest level %u)\n", dcu);
return NS_OK;
}
/**
* If we're already on the camera thread, call PushParametersImpl()
* directly, so that it executes synchronously. Some callers
* require this so that changes take effect immediately before
* we can proceed.
*/
if (NS_GetCurrentThread() != mCameraThread) {
DOM_CAMERA_LOGT("%s:%d - dispatching to Camera Thread\n", __func__, __LINE__);
nsCOMPtr<nsIRunnable> pushParametersTask =
NS_NewRunnableMethod(this, &nsGonkCameraControl::PushParametersImpl);
return mCameraThread->Dispatch(pushParametersTask, NS_DISPATCH_NORMAL);
}
DOM_CAMERA_LOGT("%s:%d\n", __func__, __LINE__);
return PushParametersImpl();
}
void
nsGonkCameraControl::BeginBatchParameterSet()
{
uint32_t dcu = ++mDeferConfigUpdate;
if (dcu == 0) {
NS_WARNING("Overflow weirdness incrementing mDeferConfigUpdate!");
MOZ_CRASH();
}
DOM_CAMERA_LOGI("Begin deferring camera configuration updates (nest level %u)\n", dcu);
}
void
nsGonkCameraControl::EndBatchParameterSet()
{
uint32_t dcu = mDeferConfigUpdate--;
if (dcu == 0) {
NS_WARNING("Underflow badness decrementing mDeferConfigUpdate!");
MOZ_CRASH();
}
DOM_CAMERA_LOGI("End deferring camera configuration updates (nest level %u)\n", dcu);
if (dcu == 1) {
PushParameters();
}
}
template<class T> nsresult
nsGonkCameraControl::SetAndPush(uint32_t aKey, const T& aValue)
{
nsresult rv = mParams.Set(aKey, aValue);
if (NS_FAILED(rv)) {
DOM_CAMERA_LOGE("Camera parameter aKey=%d failed to set (0x%x)\n", aKey, rv);
return rv;
}
return PushParameters();
}
// Array-of-Size parameter accessor.
nsresult
nsGonkCameraControl::Get(uint32_t aKey, nsTArray<Size>& aSizes)
{
if (aKey == CAMERA_PARAM_SUPPORTED_VIDEOSIZES &&
!mSeparateVideoAndPreviewSizesSupported) {
aKey = CAMERA_PARAM_SUPPORTED_PREVIEWSIZES;
}
return mParams.Get(aKey, aSizes);
}
// Array-of-doubles parameter accessor.
nsresult
nsGonkCameraControl::Get(uint32_t aKey, nsTArray<double>& aValues)
{
return mParams.Get(aKey, aValues);
}
// Array-of-nsString parameter accessor.
nsresult
nsGonkCameraControl::Get(uint32_t aKey, nsTArray<nsString>& aValues)
{
return mParams.Get(aKey, aValues);
}
// nsString-valued parameter accessors
nsresult
nsGonkCameraControl::Set(uint32_t aKey, const nsAString& aValue)
{
nsresult rv = mParams.Set(aKey, aValue);
if (NS_FAILED(rv)) {
return rv;
}
switch (aKey) {
case CAMERA_PARAM_PICTURE_FILEFORMAT:
// Picture format -- need to keep it for the TakePicture() callback.
mFileFormat = aValue;
break;
case CAMERA_PARAM_FLASHMODE:
// Explicit flash mode changes always win and stick.
mAutoFlashModeOverridden = false;
break;
case CAMERA_PARAM_SCENEMODE:
// Reset disabling normal pictures in HDR mode in conjunction with setting
// scene mode because some drivers require they be changed together.
mParams.Set(CAMERA_PARAM_SCENEMODE_HDR_RETURNNORMALPICTURE, false);
break;
}
return PushParameters();
}
nsresult
nsGonkCameraControl::Get(uint32_t aKey, nsAString& aRet)
{
return mParams.Get(aKey, aRet);
}
// Double-valued parameter accessors
nsresult
nsGonkCameraControl::Set(uint32_t aKey, double aValue)
{
return SetAndPush(aKey, aValue);
}
nsresult
nsGonkCameraControl::Get(uint32_t aKey, double& aRet)
{
return mParams.Get(aKey, aRet);
}
// Signed-64-bit parameter accessors.
nsresult
nsGonkCameraControl::Set(uint32_t aKey, int64_t aValue)
{
return SetAndPush(aKey, aValue);
}
nsresult
nsGonkCameraControl::Get(uint32_t aKey, int64_t& aRet)
{
return mParams.Get(aKey, aRet);
}
// Boolean parameter accessors.
nsresult
nsGonkCameraControl::Set(uint32_t aKey, bool aValue)
{
return SetAndPush(aKey, aValue);
}
nsresult
nsGonkCameraControl::Get(uint32_t aKey, bool& aRet)
{
return mParams.Get(aKey, aRet);
}
// Weighted-region parameter accessors.
nsresult
nsGonkCameraControl::Set(uint32_t aKey, const nsTArray<Region>& aRegions)
{
return SetAndPush(aKey, aRegions);
}
nsresult
nsGonkCameraControl::Get(uint32_t aKey, nsTArray<Region>& aRegions)
{
return mParams.Get(aKey, aRegions);
}
// Singleton-size parameter accessors.
nsresult
nsGonkCameraControl::Set(uint32_t aKey, const Size& aSize)
{
switch (aKey) {
case CAMERA_PARAM_PICTURE_SIZE:
DOM_CAMERA_LOGI("setting picture size to %ux%u\n", aSize.width, aSize.height);
return SetPictureSize(aSize);
case CAMERA_PARAM_THUMBNAILSIZE:
DOM_CAMERA_LOGI("setting thumbnail size to %ux%u\n", aSize.width, aSize.height);
return SetThumbnailSize(aSize);
default:
return SetAndPush(aKey, aSize);
}
}
nsresult
nsGonkCameraControl::Get(uint32_t aKey, Size& aSize)
{
return mParams.Get(aKey, aSize);
}
// Signed int parameter accessors.
nsresult
nsGonkCameraControl::Set(uint32_t aKey, int aValue)
{
if (aKey == CAMERA_PARAM_PICTURE_ROTATION) {
RETURN_IF_NO_CAMERA_HW();
aValue = RationalizeRotation(aValue + mCameraHw->GetSensorOrientation());
}
return SetAndPush(aKey, aValue);
}
nsresult
nsGonkCameraControl::Get(uint32_t aKey, int& aRet)
{
if (aKey == CAMERA_PARAM_SENSORANGLE) {
RETURN_IF_NO_CAMERA_HW();
aRet = mCameraHw->GetSensorOrientation();
return NS_OK;
}
return mParams.Get(aKey, aRet);
}
// GPS location parameter accessors.
nsresult
nsGonkCameraControl::SetLocation(const Position& aLocation)
{
return SetAndPush(CAMERA_PARAM_PICTURE_LOCATION, aLocation);
}
nsresult
nsGonkCameraControl::StartPreviewImpl()
{
MOZ_ASSERT(NS_GetCurrentThread() == mCameraThread);
RETURN_IF_NO_CAMERA_HW();
ReentrantMonitorAutoEnter mon(mReentrantMonitor);
if (mPreviewState == CameraControlListener::kPreviewStarted) {
DOM_CAMERA_LOGW("Camera preview already started, nothing to do\n");
return NS_OK;
}
DOM_CAMERA_LOGI("Starting preview (this=%p)\n", this);
if (mCameraHw->StartPreview() != OK) {
DOM_CAMERA_LOGE("Failed to start camera preview\n");
return NS_ERROR_FAILURE;
}
OnPreviewStateChange(CameraControlListener::kPreviewStarted);
return NS_OK;
}
nsresult
nsGonkCameraControl::StopPreviewImpl()
{
RETURN_IF_NO_CAMERA_HW();
DOM_CAMERA_LOGI("Stopping preview (this=%p)\n", this);
mCameraHw->StopPreview();
OnPreviewStateChange(CameraControlListener::kPreviewStopped);
return NS_OK;
}
nsresult
nsGonkCameraControl::PausePreview()
{
RETURN_IF_NO_CAMERA_HW();
DOM_CAMERA_LOGI("Pausing preview (this=%p)\n", this);
mCameraHw->StopPreview();
OnPreviewStateChange(CameraControlListener::kPreviewPaused);
return NS_OK;
}
nsresult
nsGonkCameraControl::AutoFocusImpl()
{
MOZ_ASSERT(NS_GetCurrentThread() == mCameraThread);
RETURN_IF_NO_CAMERA_HW();
DOM_CAMERA_LOGI("Starting auto focus\n");
if (mCameraHw->AutoFocus() != OK) {
return NS_ERROR_FAILURE;
}
return NS_OK;
}
nsresult
nsGonkCameraControl::StartFaceDetectionImpl()
{
MOZ_ASSERT(NS_GetCurrentThread() == mCameraThread);
RETURN_IF_NO_CAMERA_HW();
DOM_CAMERA_LOGI("Starting face detection\n");
if (mCameraHw->StartFaceDetection() != OK) {
return NS_ERROR_FAILURE;
}
return NS_OK;
}
nsresult
nsGonkCameraControl::StopFaceDetectionImpl()
{
MOZ_ASSERT(NS_GetCurrentThread() == mCameraThread);
RETURN_IF_NO_CAMERA_HW();
DOM_CAMERA_LOGI("Stopping face detection\n");
if (mCameraHw->StopFaceDetection() != OK) {
return NS_ERROR_FAILURE;
}
return NS_OK;
}
nsresult
nsGonkCameraControl::SetThumbnailSizeImpl(const Size& aSize)
{
MOZ_ASSERT(NS_GetCurrentThread() == mCameraThread);
/**
* We keep a copy of the specified size so that if the picture size
* changes, we can choose a new thumbnail size close to what was asked for
* last time.
*/
mLastThumbnailSize = aSize;
/**
* If either of width or height is zero, set the other to zero as well.
* This should disable inclusion of a thumbnail in the final picture.
*/
if (!aSize.width || !aSize.height) {
DOM_CAMERA_LOGW("Requested thumbnail size %ux%u, disabling thumbnail\n",
aSize.width, aSize.height);
Size size = { 0, 0 };
return SetAndPush(CAMERA_PARAM_THUMBNAILSIZE, size);
}
/**
* Choose the supported thumbnail size that is closest to the specified size.
* Some drivers will fail to take a picture if the thumbnail does not have
* the same aspect ratio as the set picture size, so we need to enforce that
* too.
*/
int smallestDelta = INT_MAX;
uint32_t smallestDeltaIndex = UINT32_MAX;
int targetArea = aSize.width * aSize.height;
nsAutoTArray<Size, 8> supportedSizes;
Get(CAMERA_PARAM_SUPPORTED_JPEG_THUMBNAIL_SIZES, supportedSizes);
for (uint32_t i = 0; i < supportedSizes.Length(); ++i) {
int area = supportedSizes[i].width * supportedSizes[i].height;
int delta = abs(area - targetArea);
if (area != 0 &&
delta < smallestDelta &&
supportedSizes[i].width * mLastPictureSize.height ==
mLastPictureSize.width * supportedSizes[i].height) {
smallestDelta = delta;
smallestDeltaIndex = i;
}
}
if (smallestDeltaIndex == UINT32_MAX) {
DOM_CAMERA_LOGW("Unable to find a thumbnail size close to %ux%u, disabling thumbnail\n",
aSize.width, aSize.height);
// If we are unable to find a thumbnail size with a suitable aspect ratio,
// just disable the thumbnail altogether.
Size size = { 0, 0 };
return SetAndPush(CAMERA_PARAM_THUMBNAILSIZE, size);
}
Size size = supportedSizes[smallestDeltaIndex];
DOM_CAMERA_LOGI("camera-param set thumbnail-size = %ux%u (requested %ux%u)\n",
size.width, size.height, aSize.width, aSize.height);
if (size.width > INT32_MAX || size.height > INT32_MAX) {
DOM_CAMERA_LOGE("Supported thumbnail size is too big, no change\n");
return NS_ERROR_FAILURE;
}
return SetAndPush(CAMERA_PARAM_THUMBNAILSIZE, size);
}
nsresult
nsGonkCameraControl::SetThumbnailSize(const Size& aSize)
{
class SetThumbnailSize : public nsRunnable
{
public:
SetThumbnailSize(nsGonkCameraControl* aCameraControl, const Size& aSize)
: mCameraControl(aCameraControl)
, mSize(aSize)
{
MOZ_COUNT_CTOR(SetThumbnailSize);
}
~SetThumbnailSize() { MOZ_COUNT_DTOR(SetThumbnailSize); }
NS_IMETHODIMP
Run() MOZ_OVERRIDE
{
nsresult rv = mCameraControl->SetThumbnailSizeImpl(mSize);
if (NS_FAILED(rv)) {
mCameraControl->OnUserError(CameraControlListener::kInSetThumbnailSize, rv);
}
return NS_OK;
}
protected:
nsRefPtr<nsGonkCameraControl> mCameraControl;
Size mSize;
};
if (NS_GetCurrentThread() == mCameraThread) {
return SetThumbnailSizeImpl(aSize);
}
return mCameraThread->Dispatch(new SetThumbnailSize(this, aSize), NS_DISPATCH_NORMAL);
}
nsresult
nsGonkCameraControl::UpdateThumbnailSize()
{
return SetThumbnailSize(mLastThumbnailSize);
}
nsresult
nsGonkCameraControl::SetPictureSizeImpl(const Size& aSize)
{
MOZ_ASSERT(NS_GetCurrentThread() == mCameraThread);
/**
* Some drivers are less friendly about getting one of these set to zero,
* so if either is not specified, ignore both and go with current or
* default settings.
*/
if (!aSize.width || !aSize.height) {
DOM_CAMERA_LOGW("Ignoring requested picture size of %ux%u\n", aSize.width, aSize.height);
return NS_ERROR_INVALID_ARG;
}
if (aSize.width == mLastPictureSize.width && aSize.height == mLastPictureSize.height) {
DOM_CAMERA_LOGI("Requested picture size %ux%u unchanged\n", aSize.width, aSize.height);
return NS_OK;
}
nsAutoTArray<Size, 8> supportedSizes;
Get(CAMERA_PARAM_SUPPORTED_PICTURESIZES, supportedSizes);
Size best;
nsresult rv = GetSupportedSize(aSize, supportedSizes, best);
if (NS_FAILED(rv)) {
DOM_CAMERA_LOGW("Unable to find a picture size close to %ux%u\n",
aSize.width, aSize.height);
return NS_ERROR_INVALID_ARG;
}
DOM_CAMERA_LOGI("camera-param set picture-size = %ux%u (requested %ux%u)\n",
best.width, best.height, aSize.width, aSize.height);
if (best.width > INT32_MAX || best.height > INT32_MAX) {
DOM_CAMERA_LOGE("Supported picture size is too big, no change\n");
return NS_ERROR_FAILURE;
}
rv = mParams.Set(CAMERA_PARAM_PICTURE_SIZE, best);
if (NS_FAILED(rv)) {
return rv;
}
mLastPictureSize = best;
// Finally, update the thumbnail size in case the picture aspect ratio changed.
// Some drivers will fail to take a picture if the thumbnail size is not the
// same aspect ratio as the picture size.
return UpdateThumbnailSize();
}
int32_t
nsGonkCameraControl::RationalizeRotation(int32_t aRotation)
{
int32_t r = aRotation;
// The result of this operation is an angle from 0..270 degrees,
// in steps of 90 degrees. Angles are rounded to the nearest
// magnitude, so 45 will be rounded to 90, and -45 will be rounded
// to -90 (not 0).
if (r >= 0) {
r += 45;
} else {
r -= 45;
}
r /= 90;
r %= 4;
r *= 90;
if (r < 0) {
r += 360;
}
return r;
}
nsresult
nsGonkCameraControl::SetPictureSize(const Size& aSize)
{
class SetPictureSize : public nsRunnable
{
public:
SetPictureSize(nsGonkCameraControl* aCameraControl, const Size& aSize)
: mCameraControl(aCameraControl)
, mSize(aSize)
{
MOZ_COUNT_CTOR(SetPictureSize);
}
~SetPictureSize() { MOZ_COUNT_DTOR(SetPictureSize); }
NS_IMETHODIMP
Run() MOZ_OVERRIDE
{
nsresult rv = mCameraControl->SetPictureSizeImpl(mSize);
if (NS_FAILED(rv)) {
mCameraControl->OnUserError(CameraControlListener::kInSetPictureSize, rv);
}
return NS_OK;
}
protected:
nsRefPtr<nsGonkCameraControl> mCameraControl;
Size mSize;
};
if (NS_GetCurrentThread() == mCameraThread) {
return SetPictureSizeImpl(aSize);
}
return mCameraThread->Dispatch(new SetPictureSize(this, aSize), NS_DISPATCH_NORMAL);
}
nsresult
nsGonkCameraControl::TakePictureImpl()
{
MOZ_ASSERT(NS_GetCurrentThread() == mCameraThread);
RETURN_IF_NO_CAMERA_HW();
if (mCameraHw->TakePicture() != OK) {
return NS_ERROR_FAILURE;
}
// In Gonk, taking a picture implicitly stops the preview stream,
// so we need to reflect that here.
OnPreviewStateChange(CameraControlListener::kPreviewPaused);
return NS_OK;
}
nsresult
nsGonkCameraControl::PushParametersImpl()
{
MOZ_ASSERT(NS_GetCurrentThread() == mCameraThread);
DOM_CAMERA_LOGI("Pushing camera parameters\n");
RETURN_IF_NO_CAMERA_HW();
if (mCameraHw->PushParameters(mParams) != OK) {
return NS_ERROR_FAILURE;
}
return NS_OK;
}
nsresult
nsGonkCameraControl::PullParametersImpl()
{
MOZ_ASSERT(NS_GetCurrentThread() == mCameraThread);
DOM_CAMERA_LOGI("Pulling camera parameters\n");
RETURN_IF_NO_CAMERA_HW();
return mCameraHw->PullParameters(mParams);
}
nsresult
nsGonkCameraControl::SetupRecordingFlash(bool aAutoEnableLowLightTorch)
{
mAutoFlashModeOverridden = false;
if (!aAutoEnableLowLightTorch || !mLuminanceSupported || !mFlashSupported) {
return NS_OK;
}
DOM_CAMERA_LOGI("Luminance reporting and flash supported\n");
nsresult rv = PullParametersImpl();
if (NS_WARN_IF(NS_FAILED(rv))) {
return rv;
}
nsString luminance;
rv = mParams.Get(CAMERA_PARAM_LUMINANCE, luminance);
if (NS_WARN_IF(NS_FAILED(rv))) {
// If we failed to get the luminance, assume it's "high"
return NS_OK;
}
nsString flashMode;
rv = mParams.Get(CAMERA_PARAM_FLASHMODE, flashMode);
if (NS_WARN_IF(NS_FAILED(rv))) {
// If we failed to get the current flash mode, swallow the error
return NS_OK;
}
if (luminance.EqualsASCII("low") && flashMode.EqualsASCII("auto")) {
DOM_CAMERA_LOGI("Low luminance detected, turning on flash\n");
rv = SetAndPush(CAMERA_PARAM_FLASHMODE, NS_LITERAL_STRING("torch"));
if (NS_WARN_IF(NS_FAILED(rv))) {
// If we failed to turn on the flash, swallow the error
return NS_OK;
}
mAutoFlashModeOverridden = true;
}
return NS_OK;
}
nsresult
nsGonkCameraControl::StartRecordingImpl(DeviceStorageFileDescriptor* aFileDescriptor,
const StartRecordingOptions* aOptions)
{
MOZ_ASSERT(NS_GetCurrentThread() == mCameraThread);
ReentrantMonitorAutoEnter mon(mRecorderMonitor);
NS_ENSURE_TRUE(!mCurrentConfiguration.mRecorderProfile.IsEmpty(), NS_ERROR_NOT_INITIALIZED);
NS_ENSURE_FALSE(mRecorder, NS_ERROR_FAILURE);
/**
* Get the base path from device storage and append the app-specified
* filename to it. The filename may include a relative subpath
* (e.g.) "DCIM/IMG_0001.jpg".
*
* The camera app needs to provide the file extension '.3gp' for now.
* See bug 795202.
*/
if (NS_WARN_IF(!aFileDescriptor)) {
return NS_ERROR_INVALID_ARG;
}
nsAutoString fullPath;
mVideoFile = aFileDescriptor->mDSFile;
mVideoFile->GetFullPath(fullPath);
DOM_CAMERA_LOGI("Video filename is '%s'\n",
NS_LossyConvertUTF16toASCII(fullPath).get());
if (!mVideoFile->IsSafePath()) {
DOM_CAMERA_LOGE("Invalid video file name\n");
return NS_ERROR_INVALID_ARG;
}
// SetupRecording creates a dup of the file descriptor, so we need to
// close the file descriptor when we leave this function. Also note, that
// since we're already off the main thread, we don't need to dispatch this.
// We just let the CloseFileRunnable destructor do the work.
nsRefPtr<CloseFileRunnable> closer;
if (aFileDescriptor->mFileDescriptor.IsValid()) {
closer = new CloseFileRunnable(aFileDescriptor->mFileDescriptor);
}
nsresult rv;
int fd = aFileDescriptor->mFileDescriptor.PlatformHandle();
if (aOptions) {
rv = SetupRecording(fd, aOptions->rotation, aOptions->maxFileSizeBytes,
aOptions->maxVideoLengthMs);
if (NS_SUCCEEDED(rv)) {
rv = SetupRecordingFlash(aOptions->autoEnableLowLightTorch);
}
} else {
rv = SetupRecording(fd, 0, 0, 0);
}
if (NS_WARN_IF(NS_FAILED(rv))) {
return rv;
}
if (mRecorder->start() != OK) {
DOM_CAMERA_LOGE("mRecorder->start() failed\n");
// important: we MUST destroy the recorder if start() fails!
mRecorder = nullptr;
// put the flash back to the 'auto' state
if (mAutoFlashModeOverridden) {
SetAndPush(CAMERA_PARAM_FLASHMODE, NS_LITERAL_STRING("auto"));
}
return NS_ERROR_FAILURE;
}
OnRecorderStateChange(CameraControlListener::kRecorderStarted);
return NS_OK;
}
nsresult
nsGonkCameraControl::StopRecordingImpl()
{
class RecordingComplete : public nsRunnable
{
public:
RecordingComplete(DeviceStorageFile* aFile)
: mFile(aFile)
{ }
~RecordingComplete() { }
NS_IMETHODIMP
Run()
{
MOZ_ASSERT(NS_IsMainThread());
nsCOMPtr<nsIObserverService> obs = mozilla::services::GetObserverService();
obs->NotifyObservers(mFile, "file-watcher-notify", NS_LITERAL_STRING("modified").get());
return NS_OK;
}
private:
nsRefPtr<DeviceStorageFile> mFile;
};
ReentrantMonitorAutoEnter mon(mRecorderMonitor);
// nothing to do if we have no mRecorder
NS_ENSURE_TRUE(mRecorder, NS_OK);
mRecorder->stop();
mRecorder = nullptr;
OnRecorderStateChange(CameraControlListener::kRecorderStopped);
{
ICameraControlParameterSetAutoEnter set(this);
if (mAutoFlashModeOverridden) {
nsresult rv = Set(CAMERA_PARAM_FLASHMODE, NS_LITERAL_STRING("auto"));
if (NS_FAILED(rv)) {
DOM_CAMERA_LOGE("Failed to set flash mode (0x%x)\n", rv);
}
}
}
// notify DeviceStorage that the new video file is closed and ready
return NS_DispatchToMainThread(new RecordingComplete(mVideoFile));
}
nsresult
nsGonkCameraControl::ResumeContinuousFocusImpl()
{
MOZ_ASSERT(NS_GetCurrentThread() == mCameraThread);
RETURN_IF_NO_CAMERA_HW();
DOM_CAMERA_LOGI("Resuming continuous autofocus\n");
// see
// http://developer.android.com/reference/android/hardware/Camera.Parameters.html#FOCUS_MODE_CONTINUOUS_PICTURE
if (NS_WARN_IF(mCameraHw->CancelAutoFocus() != OK)) {
return NS_ERROR_FAILURE;
}
return NS_OK;
}
void
nsGonkCameraControl::OnAutoFocusComplete(bool aSuccess)
{
class AutoFocusComplete : public nsRunnable
{
public:
AutoFocusComplete(nsGonkCameraControl* aCameraControl, bool aSuccess)
: mCameraControl(aCameraControl)
, mSuccess(aSuccess)
{ }
NS_IMETHODIMP
Run() MOZ_OVERRIDE
{
mCameraControl->OnAutoFocusComplete(mSuccess);
return NS_OK;
}
protected:
nsRefPtr<nsGonkCameraControl> mCameraControl;
bool mSuccess;
};
if (NS_GetCurrentThread() == mCameraThread) {
/**
* Auto focusing can change some of the camera's parameters, so
* we need to pull a new set before notifying any clients.
*/
PullParametersImpl();
CameraControlImpl::OnAutoFocusComplete(aSuccess);
return;
}
/**
* Because the callback needs to call PullParametersImpl(),
* we need to dispatch this callback through the Camera Thread.
*/
mCameraThread->Dispatch(new AutoFocusComplete(this, aSuccess), NS_DISPATCH_NORMAL);
}
bool
FeatureDetected(int32_t feature[])
{
/**
* For information on what constitutes a valid feature, see:
* http://androidxref.com/4.0.4/xref/system/core/include/system/camera.h#202
*
* Although the comments explicitly state that undetected features are
* indicated using the value -2000, we conservatively include anything
* outside the explicitly valid range of [-1000, 1000] as undetected
* as well.
*/
const int32_t kLowerFeatureBound = -1000;
const int32_t kUpperFeatureBound = 1000;
return (feature[0] >= kLowerFeatureBound && feature[0] <= kUpperFeatureBound) ||
(feature[1] >= kLowerFeatureBound && feature[1] <= kUpperFeatureBound);
}
void
nsGonkCameraControl::OnFacesDetected(camera_frame_metadata_t* aMetaData)
{
NS_ENSURE_TRUE_VOID(aMetaData);
nsTArray<Face> faces;
uint32_t numFaces = aMetaData->number_of_faces;
DOM_CAMERA_LOGI("Camera detected %d face(s)", numFaces);
faces.SetCapacity(numFaces);
for (uint32_t i = 0; i < numFaces; ++i) {
Face* f = faces.AppendElement();
f->id = aMetaData->faces[i].id;
f->score = aMetaData->faces[i].score;
if (f->score > 100) {
f->score = 100;
}
f->bound.left = aMetaData->faces[i].rect[0];
f->bound.top = aMetaData->faces[i].rect[1];
f->bound.right = aMetaData->faces[i].rect[2];
f->bound.bottom = aMetaData->faces[i].rect[3];
DOM_CAMERA_LOGI("Camera face[%u] appended: id=%d, score=%d, bound=(%d, %d)-(%d, %d)\n",
i, f->id, f->score, f->bound.left, f->bound.top, f->bound.right, f->bound.bottom);
f->hasLeftEye = FeatureDetected(aMetaData->faces[i].left_eye);
if (f->hasLeftEye) {
f->leftEye.x = aMetaData->faces[i].left_eye[0];
f->leftEye.y = aMetaData->faces[i].left_eye[1];
DOM_CAMERA_LOGI(" Left eye detected at (%d, %d)\n",
f->leftEye.x, f->leftEye.y);
} else {
DOM_CAMERA_LOGI(" No left eye detected\n");
}
f->hasRightEye = FeatureDetected(aMetaData->faces[i].right_eye);
if (f->hasRightEye) {
f->rightEye.x = aMetaData->faces[i].right_eye[0];
f->rightEye.y = aMetaData->faces[i].right_eye[1];
DOM_CAMERA_LOGI(" Right eye detected at (%d, %d)\n",
f->rightEye.x, f->rightEye.y);
} else {
DOM_CAMERA_LOGI(" No right eye detected\n");
}
f->hasMouth = FeatureDetected(aMetaData->faces[i].mouth);
if (f->hasMouth) {
f->mouth.x = aMetaData->faces[i].mouth[0];
f->mouth.y = aMetaData->faces[i].mouth[1];
DOM_CAMERA_LOGI(" Mouth detected at (%d, %d)\n", f->mouth.x, f->mouth.y);
} else {
DOM_CAMERA_LOGI(" No mouth detected\n");
}
}
CameraControlImpl::OnFacesDetected(faces);
}
void
nsGonkCameraControl::OnTakePictureComplete(uint8_t* aData, uint32_t aLength)
{
ReentrantMonitorAutoEnter mon(mReentrantMonitor);
uint8_t* data = new uint8_t[aLength];
memcpy(data, aData, aLength);
nsString s(NS_LITERAL_STRING("image/"));
s.Append(mFileFormat);
DOM_CAMERA_LOGI("Got picture, type '%s', %u bytes\n", NS_ConvertUTF16toUTF8(s).get(), aLength);
OnTakePictureComplete(data, aLength, s);
if (mResumePreviewAfterTakingPicture) {
nsresult rv = StartPreview();
if (NS_FAILED(rv)) {
DOM_CAMERA_LOGE("Failed to restart camera preview (%x)\n", rv);
OnPreviewStateChange(CameraControlListener::kPreviewStopped);
}
}
DOM_CAMERA_LOGI("nsGonkCameraControl::OnTakePictureComplete() done\n");
}
void
nsGonkCameraControl::OnTakePictureError()
{
CameraControlImpl::OnUserError(CameraControlListener::kInTakePicture,
NS_ERROR_FAILURE);
}
nsresult
nsGonkCameraControl::GetSupportedSize(const Size& aSize,
const nsTArray<Size>& aSupportedSizes,
Size& best)
{
nsresult rv = NS_ERROR_INVALID_ARG;
best = aSize;
uint32_t minSizeDelta = UINT32_MAX;
uint32_t delta;
if (!aSize.width && !aSize.height) {
// no size specified, take the first supported size
best = aSupportedSizes[0];
return NS_OK;
} else if (aSize.width && aSize.height) {
// both height and width specified, find the supported size closest to
// the requested size, looking for an exact match first
for (SizeIndex i = 0; i < aSupportedSizes.Length(); ++i) {
Size size = aSupportedSizes[i];
if (size.width == aSize.width && size.height == aSize.height) {
best = size;
return NS_OK;
}
}
// no exact match on dimensions--look for a match closest in area
const uint32_t targetArea = aSize.width * aSize.height;
for (SizeIndex i = 0; i < aSupportedSizes.Length(); i++) {
Size size = aSupportedSizes[i];
uint32_t delta =
abs(static_cast<long int>(size.width * size.height - targetArea));
if (delta < minSizeDelta) {
minSizeDelta = delta;
best = size;
rv = NS_OK;
}
}
} else if (!aSize.width) {
// width not specified, find closest height match
for (SizeIndex i = 0; i < aSupportedSizes.Length(); i++) {
Size size = aSupportedSizes[i];
delta = abs(static_cast<long int>(size.height - aSize.height));
if (delta < minSizeDelta) {
minSizeDelta = delta;
best = size;
rv = NS_OK;
}
}
} else if (!aSize.height) {
// height not specified, find closest width match
for (SizeIndex i = 0; i < aSupportedSizes.Length(); i++) {
Size size = aSupportedSizes[i];
delta = abs(static_cast<long int>(size.width - aSize.width));
if (delta < minSizeDelta) {
minSizeDelta = delta;
best = size;
rv = NS_OK;
}
}
}
return rv;
}
nsresult
nsGonkCameraControl::SetVideoAndPreviewSize(const Size& aPreviewSize, const Size& aVideoSize)
{
MOZ_ASSERT(NS_GetCurrentThread() == mCameraThread);
MOZ_ASSERT(mSeparateVideoAndPreviewSizesSupported);
DOM_CAMERA_LOGI("Setting video size to %ux%u, preview size to %ux%u\n",
aVideoSize.width, aVideoSize.height,
aPreviewSize.width, aPreviewSize.height);
Size oldSize;
nsresult rv = Get(CAMERA_PARAM_PREVIEWSIZE, oldSize);
if (NS_WARN_IF(NS_FAILED(rv))) {
return rv;
}
rv = Set(CAMERA_PARAM_PREVIEWSIZE, aPreviewSize);
if (NS_WARN_IF(NS_FAILED(rv))) {
return rv;
}
rv = Set(CAMERA_PARAM_VIDEOSIZE, aVideoSize);
if (NS_WARN_IF(NS_FAILED(rv))) {
Set(CAMERA_PARAM_VIDEOSIZE, oldSize); // error, try to restore the original preview size
return rv;
}
mCurrentConfiguration.mPreviewSize = aPreviewSize;
mLastRecorderSize = aVideoSize;
return NS_OK;
}
nsresult
nsGonkCameraControl::SelectVideoAndPreviewSize(const Configuration& aConfig, const Size& aVideoSize)
{
MOZ_ASSERT(NS_GetCurrentThread() == mCameraThread);
MOZ_ASSERT(mSeparateVideoAndPreviewSizesSupported);
nsTArray<Size> sizes;
nsresult rv = Get(CAMERA_PARAM_SUPPORTED_VIDEOSIZES, sizes);
if (NS_WARN_IF(NS_FAILED(rv))) {
return rv;
}
Size video;
rv = GetSupportedSize(aVideoSize, sizes, video);
if (NS_FAILED(rv)) {
DOM_CAMERA_LOGE("Failed to find a supported video size, requested size %ux%u",
aVideoSize.width, aVideoSize.height);
return rv;
}
rv = Get(CAMERA_PARAM_SUPPORTED_PREVIEWSIZES, sizes);
if (NS_WARN_IF(NS_FAILED(rv))) {
return rv;
}
Size preview;
rv = GetSupportedSize(aConfig.mPreviewSize, sizes, preview);
if (NS_FAILED(rv)) {
DOM_CAMERA_LOGE("Failed to find a supported preview size, requested size %ux%u",
aConfig.mPreviewSize.width, aConfig.mPreviewSize.height);
return rv;
}
Size preferred;
rv = Get(CAMERA_PARAM_PREFERRED_PREVIEWSIZE_FOR_VIDEO, preferred);
if (NS_WARN_IF(NS_FAILED(rv))) {
return rv;
}
// If the requested preview size has the same aspect ratio as the
// requested video size, *and* is the same size or smaller than
// the preferred video size, then we're done.
const uint32_t preferredArea = preferred.width * preferred.height;
if (video.width * aConfig.mPreviewSize.height == aConfig.mPreviewSize.width * video.height &&
preview.width * preview.height <= preferredArea) {
// We're done: set the video and preview sizes and return...
return SetVideoAndPreviewSize(preview, video);
}
// Otherwise, if the requested preview size is larger than the preferred
// size, or there is an aspect ratio mismatch, then we need to set the
// preview size to the closest size smaller than the preferred size,
// preferably with the same aspect ratio as the requested video size.
SizeIndex bestSizeMatch;
SizeIndex bestSizeMatchWithAspectRatio;
bool foundSizeMatch = false;
bool foundSizeMatchWithAspectRatio = false;
uint32_t bestAreaDelta = UINT32_MAX;
uint32_t bestAreaDeltaWithAspect = UINT32_MAX;
for (SizeIndex i = 0; i < sizes.Length(); ++i) {
const Size& s = sizes[i];
const uint32_t area = s.width * s.height;
if (area > preferredArea) {
continue;
}
const uint32_t delta = preferredArea - area;
if (s.width * video.height == video.width * s.height) {
if (delta == 0) {
// exact match, including aspect ratio--we can stop now
bestSizeMatchWithAspectRatio = i;
foundSizeMatchWithAspectRatio = true;
break;
} else if (delta < bestAreaDeltaWithAspect) {
// aspect ratio match
bestAreaDeltaWithAspect = delta;
bestSizeMatchWithAspectRatio = i;
foundSizeMatchWithAspectRatio = true;
}
} else if (delta < bestAreaDelta) {
bestAreaDelta = delta;
bestSizeMatch = i;
foundSizeMatch = true;
}
}
if (foundSizeMatchWithAspectRatio) {
preview = sizes[bestSizeMatchWithAspectRatio];
} else if (foundSizeMatch) {
DOM_CAMERA_LOGW("Unable to match a preview size with aspect ratio of video size %ux%u\n",
video.width, video.height);
preview = sizes[bestSizeMatch];
} else {
DOM_CAMERA_LOGE("Unable to find a preview size for video size %ux%u\n",
video.width, video.height);
return NS_ERROR_INVALID_ARG;
}
return SetVideoAndPreviewSize(preview, video);
}
nsresult
nsGonkCameraControl::SetVideoConfiguration(const Configuration& aConfig)
{
DOM_CAMERA_LOGT("%s:%d\n", __func__, __LINE__);
// The application may cache an old configuration and already have
// a desired recorder profile without checking the capabilities first
nsresult rv = LoadRecorderProfiles();
if (NS_WARN_IF(NS_FAILED(rv))) {
return rv;
}
RecorderProfile* profile;
if (!mRecorderProfiles.Get(aConfig.mRecorderProfile, &profile)) {
DOM_CAMERA_LOGE("Recorder profile '%s' is not supported\n",
NS_ConvertUTF16toUTF8(aConfig.mRecorderProfile).get());
return NS_ERROR_INVALID_ARG;
}
const RecorderProfile::Video& video(profile->GetVideo());
const Size& size = video.GetSize();
const uint32_t fps = video.GetFramesPerSecond();
if (fps == 0 || fps > INT_MAX || size.width == 0 || size.height == 0) {
DOM_CAMERA_LOGE("Can't configure video with fps=%u, width=%u, height=%u\n",
fps, size.width, size.height);
return NS_ERROR_FAILURE;
}
PullParametersImpl();
{
ICameraControlParameterSetAutoEnter set(this);
nsresult rv;
if (mSeparateVideoAndPreviewSizesSupported) {
// The camera supports two video streams: a low(er) resolution preview
// stream and and a potentially high(er) resolution stream for encoding.
rv = SelectVideoAndPreviewSize(aConfig, size);
if (NS_FAILED(rv)) {
DOM_CAMERA_LOGE("Failed to set video and preview sizes (0x%x)\n", rv);
return rv;
}
} else {
// The camera only supports a single video stream: in this case, we set
// the preview size to be the desired video recording size, and ignore
// the specified preview size.
rv = Set(CAMERA_PARAM_PREVIEWSIZE, size);
if (NS_FAILED(rv)) {
DOM_CAMERA_LOGE("Failed to set video mode preview size (0x%x)\n", rv);
return rv;
}
mCurrentConfiguration.mPreviewSize = size;
}
rv = Set(CAMERA_PARAM_PREVIEWFRAMERATE, static_cast<int>(fps));
if (NS_FAILED(rv)) {
DOM_CAMERA_LOGE("Failed to set video mode frame rate (0x%x)\n", rv);
return rv;
}
}
mPreviewFps = fps;
return NS_OK;
}
class GonkRecorderListener : public IMediaRecorderClient
{
public:
GonkRecorderListener(nsGonkCameraControl* aCameraControl)
: mCameraControl(aCameraControl)
{
DOM_CAMERA_LOGT("%s:%d : this=%p, aCameraControl=%p\n",
__func__, __LINE__, this, mCameraControl.get());
}
void notify(int msg, int ext1, int ext2)
{
if (mCameraControl) {
mCameraControl->OnRecorderEvent(msg, ext1, ext2);
}
}
IBinder* onAsBinder()
{
DOM_CAMERA_LOGE("onAsBinder() called, should NEVER get called!\n");
return nullptr;
}
protected:
~GonkRecorderListener() { }
nsRefPtr<nsGonkCameraControl> mCameraControl;
};
void
nsGonkCameraControl::OnRecorderEvent(int msg, int ext1, int ext2)
{
/**
* Refer to base/include/media/mediarecorder.h for a complete list
* of error and info message codes. There are duplicate values
* within the status/error code space, as determined by code inspection:
*
* +------- msg
* | +----- ext1
* | | +--- ext2
* V V V
* 1 MEDIA_RECORDER_EVENT_ERROR
* 1 MEDIA_RECORDER_ERROR_UNKNOWN
* [3] ERROR_MALFORMED
* 100 mediaplayer.h::MEDIA_ERROR_SERVER_DIED
* 0 <always zero>
* 2 MEDIA_RECORDER_EVENT_INFO
* 800 MEDIA_RECORDER_INFO_MAX_DURATION_REACHED
* 0 <always zero>
* 801 MEDIA_RECORDER_INFO_MAX_FILESIZE_REACHED
* 0 <always zero>
* 1000 MEDIA_RECORDER_TRACK_INFO_COMPLETION_STATUS[1b]
* [3] UNKNOWN_ERROR, etc.
* 100 MEDIA_ERROR[4]
* 100 mediaplayer.h::MEDIA_ERROR_SERVER_DIED
* 0 <always zero>
* 100 MEDIA_RECORDER_TRACK_EVENT_ERROR
* 100 MEDIA_RECORDER_TRACK_ERROR_GENERAL[1a]
* [3] UNKNOWN_ERROR, etc.
* 200 MEDIA_RECORDER_ERROR_VIDEO_NO_SYNC_FRAME[2]
* ? <unknown>
* 101 MEDIA_RECORDER_TRACK_EVENT_INFO
* 1000 MEDIA_RECORDER_TRACK_INFO_COMPLETION_STATUS[1a]
* [3] UNKNOWN_ERROR, etc.
* N see mediarecorder.h::media_recorder_info_type[5]
*
* 1. a) High 4 bits are the track number, the next 12 bits are reserved,
* and the final 16 bits are the actual error code (above).
* b) But not in this case.
* 2. Never actually used in AOSP code?
* 3. Specific error codes are from utils/Errors.h and/or
* include/media/stagefright/MediaErrors.h.
* 4. Only in frameworks/base/media/libmedia/mediaplayer.cpp.
* 5. These are mostly informational and we can ignore them; note that
* although the MEDIA_RECORDER_INFO_MAX_DURATION_REACHED and
* MEDIA_RECORDER_INFO_MAX_FILESIZE_REACHED values are defined in this
* enum, they are used with different ext1 codes. /o\
*/
int trackNum = CameraControlListener::kNoTrackNumber;
switch (msg) {
// Recorder-related events
case MEDIA_RECORDER_EVENT_INFO:
switch (ext1) {
case MEDIA_RECORDER_INFO_MAX_FILESIZE_REACHED:
DOM_CAMERA_LOGI("recorder-event : info: maximum file size reached\n");
OnRecorderStateChange(CameraControlListener::kFileSizeLimitReached, ext2, trackNum);
return;
case MEDIA_RECORDER_INFO_MAX_DURATION_REACHED:
DOM_CAMERA_LOGI("recorder-event : info: maximum video duration reached\n");
OnRecorderStateChange(CameraControlListener::kVideoLengthLimitReached, ext2, trackNum);
return;
case MEDIA_RECORDER_TRACK_INFO_COMPLETION_STATUS:
DOM_CAMERA_LOGI("recorder-event : info: track completed\n");
OnRecorderStateChange(CameraControlListener::kTrackCompleted, ext2, trackNum);
return;
}
break;
case MEDIA_RECORDER_EVENT_ERROR:
switch (ext1) {
case MEDIA_RECORDER_ERROR_UNKNOWN:
DOM_CAMERA_LOGE("recorder-event : recorder-error: %d (0x%08x)\n", ext2, ext2);
OnRecorderStateChange(CameraControlListener::kMediaRecorderFailed, ext2, trackNum);
return;
case MEDIA_ERROR_SERVER_DIED:
DOM_CAMERA_LOGE("recorder-event : recorder-error: server died\n");
OnRecorderStateChange(CameraControlListener::kMediaServerFailed, ext2, trackNum);
return;
}
break;
// Track-related events, see note 1(a) above.
case MEDIA_RECORDER_TRACK_EVENT_INFO:
trackNum = (ext1 & 0xF0000000) >> 28;
ext1 &= 0xFFFF;
switch (ext1) {
case MEDIA_RECORDER_TRACK_INFO_COMPLETION_STATUS:
if (ext2 == OK) {
DOM_CAMERA_LOGI("recorder-event : track-complete: track %d, %d (0x%08x)\n", trackNum, ext2, ext2);
OnRecorderStateChange(CameraControlListener::kTrackCompleted, ext2, trackNum);
return;
}
DOM_CAMERA_LOGE("recorder-event : track-error: track %d, %d (0x%08x)\n", trackNum, ext2, ext2);
OnRecorderStateChange(CameraControlListener::kTrackFailed, ext2, trackNum);
return;
case MEDIA_RECORDER_TRACK_INFO_PROGRESS_IN_TIME:
DOM_CAMERA_LOGI("recorder-event : track-info: progress in time: %d ms\n", ext2);
return;
}
break;
case MEDIA_RECORDER_TRACK_EVENT_ERROR:
trackNum = (ext1 & 0xF0000000) >> 28;
ext1 &= 0xFFFF;
DOM_CAMERA_LOGE("recorder-event : track-error: track %d, %d (0x%08x)\n", trackNum, ext2, ext2);
OnRecorderStateChange(CameraControlListener::kTrackFailed, ext2, trackNum);
return;
}
// All unhandled cases wind up here
DOM_CAMERA_LOGW("recorder-event : unhandled: msg=%d, ext1=%d, ext2=%d\n", msg, ext1, ext2);
}
nsresult
nsGonkCameraControl::SetupRecording(int aFd, int aRotation,
uint64_t aMaxFileSizeBytes,
uint64_t aMaxVideoLengthMs)
{
RETURN_IF_NO_CAMERA_HW();
// choosing a size big enough to hold the params
const size_t SIZE = 256;
char buffer[SIZE];
ReentrantMonitorAutoEnter mon(mRecorderMonitor);
mRecorder = new GonkRecorder();
CHECK_SETARG_RETURN(mRecorder->init(), NS_ERROR_FAILURE);
nsresult rv =
GonkRecorderProfile::ConfigureRecorder(*mRecorder, mCameraId,
mCurrentConfiguration.mRecorderProfile);
if (NS_WARN_IF(NS_FAILED(rv))) {
return rv;
}
CHECK_SETARG_RETURN(mRecorder->setCamera(mCameraHw), NS_ERROR_FAILURE);
DOM_CAMERA_LOGI("maxVideoLengthMs=%llu\n", aMaxVideoLengthMs);
const uint64_t kMaxVideoLengthMs = INT64_MAX / 1000;
if (aMaxVideoLengthMs == 0) {
aMaxVideoLengthMs = -1;
} else if (aMaxVideoLengthMs > kMaxVideoLengthMs) {
// GonkRecorder parameters are internally limited to signed 64-bit values,
// and the time length limit is converted from milliseconds to microseconds,
// so we limit this value to prevent any unexpected overflow weirdness.
DOM_CAMERA_LOGW("maxVideoLengthMs capped to %lld\n", kMaxVideoLengthMs);
aMaxVideoLengthMs = kMaxVideoLengthMs;
}
snprintf(buffer, SIZE, "max-duration=%lld", aMaxVideoLengthMs);
CHECK_SETARG_RETURN(mRecorder->setParameters(String8(buffer)),
NS_ERROR_INVALID_ARG);
DOM_CAMERA_LOGI("maxFileSizeBytes=%llu\n", aMaxFileSizeBytes);
if (aMaxFileSizeBytes == 0) {
aMaxFileSizeBytes = -1;
} else if (aMaxFileSizeBytes > INT64_MAX) {
// GonkRecorder parameters are internally limited to signed 64-bit values
DOM_CAMERA_LOGW("maxFileSizeBytes capped to INT64_MAX\n");
aMaxFileSizeBytes = INT64_MAX;
}
snprintf(buffer, SIZE, "max-filesize=%lld", aMaxFileSizeBytes);
CHECK_SETARG_RETURN(mRecorder->setParameters(String8(buffer)),
NS_ERROR_INVALID_ARG);
// adjust rotation by camera sensor offset
int r = aRotation;
r += mCameraHw->GetSensorOrientation();
r = RationalizeRotation(r);
DOM_CAMERA_LOGI("setting video rotation to %d degrees (mapped from %d)\n", r, aRotation);
snprintf(buffer, SIZE, "video-param-rotation-angle-degrees=%d", r);
CHECK_SETARG_RETURN(mRecorder->setParameters(String8(buffer)),
NS_ERROR_INVALID_ARG);
CHECK_SETARG_RETURN(mRecorder->setListener(new GonkRecorderListener(this)),
NS_ERROR_FAILURE);
// recording API needs file descriptor of output file
CHECK_SETARG_RETURN(mRecorder->setOutputFile(aFd, 0, 0), NS_ERROR_FAILURE);
CHECK_SETARG_RETURN(mRecorder->prepare(), NS_ERROR_FAILURE);
return NS_OK;
}
nsresult
nsGonkCameraControl::StopImpl()
{
DOM_CAMERA_LOGT("%s:%d : this=%p\n", __func__, __LINE__, this);
// if we're recording, stop recording
StopRecordingImpl();
// stop the preview
StopPreviewImpl();
// release the hardware handle
if (mCameraHw.get()){
mCameraHw->Close();
mCameraHw.clear();
}
OnHardwareStateChange(CameraControlListener::kHardwareClosed);
return NS_OK;
}
nsresult
nsGonkCameraControl::LoadRecorderProfiles()
{
if (mRecorderProfiles.Count() == 0) {
nsTArray<nsRefPtr<RecorderProfile>> profiles;
nsresult rv = GonkRecorderProfile::GetAll(mCameraId, profiles);
if (NS_WARN_IF(NS_FAILED(rv))) {
return rv;
}
nsTArray<Size> sizes;
rv = Get(CAMERA_PARAM_SUPPORTED_VIDEOSIZES, sizes);
if (NS_WARN_IF(NS_FAILED(rv))) {
return NS_ERROR_NOT_AVAILABLE;
}
// Limit profiles to those video sizes supported by the camera hardware...
for (nsTArray<RecorderProfile>::size_type i = 0; i < profiles.Length(); ++i) {
int width = profiles[i]->GetVideo().GetSize().width;
int height = profiles[i]->GetVideo().GetSize().height;
if (width < 0 || height < 0) {
DOM_CAMERA_LOGW("Ignoring weird profile '%s' with width and/or height < 0\n",
NS_ConvertUTF16toUTF8(profiles[i]->GetName()).get());
continue;
}
for (nsTArray<Size>::size_type n = 0; n < sizes.Length(); ++n) {
if (static_cast<uint32_t>(width) == sizes[n].width &&
static_cast<uint32_t>(height) == sizes[n].height) {
mRecorderProfiles.Put(profiles[i]->GetName(), profiles[i]);
break;
}
}
}
}
return NS_OK;
}
/* static */ PLDHashOperator
nsGonkCameraControl::Enumerate(const nsAString& aProfileName,
RecorderProfile* aProfile,
void* aUserArg)
{
nsTArray<nsString>* profiles = static_cast<nsTArray<nsString>*>(aUserArg);
MOZ_ASSERT(profiles);
profiles->AppendElement(aProfileName);
return PL_DHASH_NEXT;
}
nsresult
nsGonkCameraControl::GetRecorderProfiles(nsTArray<nsString>& aProfiles)
{
nsresult rv = LoadRecorderProfiles();
if (NS_WARN_IF(NS_FAILED(rv))) {
return rv;
}
aProfiles.Clear();
mRecorderProfiles.EnumerateRead(Enumerate, static_cast<void*>(&aProfiles));
return NS_OK;
}
ICameraControl::RecorderProfile*
nsGonkCameraControl::GetProfileInfo(const nsAString& aProfile)
{
RecorderProfile* profile;
if (!mRecorderProfiles.Get(aProfile, &profile)) {
return nullptr;
}
return profile;
}
void
nsGonkCameraControl::OnRateLimitPreview(bool aLimit)
{
CameraControlImpl::OnRateLimitPreview(aLimit);
}
void
nsGonkCameraControl::OnNewPreviewFrame(layers::TextureClient* aBuffer)
{
nsRefPtr<Image> frame = mImageContainer->CreateImage(ImageFormat::GRALLOC_PLANAR_YCBCR);
GrallocImage* videoImage = static_cast<GrallocImage*>(frame.get());
GrallocImage::GrallocData data;
data.mGraphicBuffer = aBuffer;
data.mPicSize = IntSize(mCurrentConfiguration.mPreviewSize.width,
mCurrentConfiguration.mPreviewSize.height);
videoImage->SetData(data);
OnNewPreviewFrame(frame, mCurrentConfiguration.mPreviewSize.width,
mCurrentConfiguration.mPreviewSize.height);
}
void
nsGonkCameraControl::OnSystemError(CameraControlListener::SystemContext aWhere,
nsresult aError)
{
if (aWhere == CameraControlListener::kSystemService) {
OnPreviewStateChange(CameraControlListener::kPreviewStopped);
OnHardwareStateChange(CameraControlListener::kHardwareClosed);
}
CameraControlImpl::OnSystemError(aWhere, aError);
}
// Gonk callback handlers.
namespace mozilla {
void
OnTakePictureComplete(nsGonkCameraControl* gc, uint8_t* aData, uint32_t aLength)
{
gc->OnTakePictureComplete(aData, aLength);
}
void
OnTakePictureError(nsGonkCameraControl* gc)
{
gc->OnTakePictureError();
}
void
OnAutoFocusComplete(nsGonkCameraControl* gc, bool aSuccess)
{
gc->OnAutoFocusComplete(aSuccess);
}
void
OnAutoFocusMoving(nsGonkCameraControl* gc, bool aIsMoving)
{
gc->OnAutoFocusMoving(aIsMoving);
}
void
OnFacesDetected(nsGonkCameraControl* gc, camera_frame_metadata_t* aMetaData)
{
gc->OnFacesDetected(aMetaData);
}
void
OnRateLimitPreview(nsGonkCameraControl* gc, bool aLimit)
{
gc->OnRateLimitPreview(aLimit);
}
void
OnNewPreviewFrame(nsGonkCameraControl* gc, layers::TextureClient* aBuffer)
{
gc->OnNewPreviewFrame(aBuffer);
}
void
OnShutter(nsGonkCameraControl* gc)
{
gc->OnShutter();
}
void
OnClosed(nsGonkCameraControl* gc)
{
gc->OnClosed();
}
void
OnSystemError(nsGonkCameraControl* gc,
CameraControlListener::SystemContext aWhere,
int32_t aArg1, int32_t aArg2)
{
#ifdef PR_LOGGING
DOM_CAMERA_LOGE("OnSystemError : aWhere=%d, aArg1=%d, aArg2=%d\n", aWhere, aArg1, aArg2);
#else
unused << aArg1;
unused << aArg2;
#endif
gc->OnSystemError(aWhere, NS_ERROR_FAILURE);
}
} // namespace mozilla
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