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gecko-dev/dom/camera/GonkCameraControl.cpp

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/*
* Copyright (C) 2012 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 <string.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <errno.h>
#include <libgen.h>
#include "base/basictypes.h"
#include "libcameraservice/CameraHardwareInterface.h"
#include "camera/CameraParameters.h"
#include "nsCOMPtr.h"
#include "nsDOMClassInfo.h"
#include "nsMemory.h"
#include "jsapi.h"
#include "nsThread.h"
#include <media/MediaProfiles.h>
#include "mozilla/FileUtils.h"
#include "nsAlgorithm.h"
#include <media/mediaplayer.h>
#include "nsDirectoryServiceDefs.h" // for NS_GetSpecialDirectory
#include "nsPrintfCString.h"
#include "DOMCameraManager.h"
#include "GonkCameraHwMgr.h"
#include "DOMCameraCapabilities.h"
#include "DOMCameraControl.h"
#include "GonkRecorderProfiles.h"
#include "GonkCameraControl.h"
#include "CameraCommon.h"
using namespace mozilla;
using namespace mozilla::dom;
using namespace mozilla::layers;
using namespace android;
static const char* getKeyText(uint32_t aKey)
{
switch (aKey) {
case CAMERA_PARAM_EFFECT:
return CameraParameters::KEY_EFFECT;
case CAMERA_PARAM_WHITEBALANCE:
return CameraParameters::KEY_WHITE_BALANCE;
case CAMERA_PARAM_SCENEMODE:
return CameraParameters::KEY_SCENE_MODE;
case CAMERA_PARAM_FLASHMODE:
return CameraParameters::KEY_FLASH_MODE;
case CAMERA_PARAM_FOCUSMODE:
return CameraParameters::KEY_FOCUS_MODE;
case CAMERA_PARAM_ZOOM:
return CameraParameters::KEY_ZOOM;
case CAMERA_PARAM_METERINGAREAS:
return CameraParameters::KEY_METERING_AREAS;
case CAMERA_PARAM_FOCUSAREAS:
return CameraParameters::KEY_FOCUS_AREAS;
case CAMERA_PARAM_FOCALLENGTH:
return CameraParameters::KEY_FOCAL_LENGTH;
case CAMERA_PARAM_FOCUSDISTANCENEAR:
return CameraParameters::KEY_FOCUS_DISTANCES;
case CAMERA_PARAM_FOCUSDISTANCEOPTIMUM:
return CameraParameters::KEY_FOCUS_DISTANCES;
case CAMERA_PARAM_FOCUSDISTANCEFAR:
return CameraParameters::KEY_FOCUS_DISTANCES;
case CAMERA_PARAM_EXPOSURECOMPENSATION:
return CameraParameters::KEY_EXPOSURE_COMPENSATION;
case CAMERA_PARAM_THUMBNAILWIDTH:
return CameraParameters::KEY_JPEG_THUMBNAIL_WIDTH;
case CAMERA_PARAM_THUMBNAILHEIGHT:
return CameraParameters::KEY_JPEG_THUMBNAIL_HEIGHT;
case CAMERA_PARAM_THUMBNAILQUALITY:
return CameraParameters::KEY_JPEG_THUMBNAIL_QUALITY;
case CAMERA_PARAM_SUPPORTED_PREVIEWSIZES:
return CameraParameters::KEY_SUPPORTED_PREVIEW_SIZES;
case CAMERA_PARAM_SUPPORTED_VIDEOSIZES:
return CameraParameters::KEY_SUPPORTED_VIDEO_SIZES;
case CAMERA_PARAM_SUPPORTED_PICTURESIZES:
return CameraParameters::KEY_SUPPORTED_PICTURE_SIZES;
case CAMERA_PARAM_SUPPORTED_PICTUREFORMATS:
return CameraParameters::KEY_SUPPORTED_PICTURE_FORMATS;
case CAMERA_PARAM_SUPPORTED_WHITEBALANCES:
return CameraParameters::KEY_SUPPORTED_WHITE_BALANCE;
case CAMERA_PARAM_SUPPORTED_SCENEMODES:
return CameraParameters::KEY_SUPPORTED_SCENE_MODES;
case CAMERA_PARAM_SUPPORTED_EFFECTS:
return CameraParameters::KEY_SUPPORTED_EFFECTS;
case CAMERA_PARAM_SUPPORTED_FLASHMODES:
return CameraParameters::KEY_SUPPORTED_FLASH_MODES;
case CAMERA_PARAM_SUPPORTED_FOCUSMODES:
return CameraParameters::KEY_SUPPORTED_FOCUS_MODES;
case CAMERA_PARAM_SUPPORTED_MAXFOCUSAREAS:
return CameraParameters::KEY_MAX_NUM_FOCUS_AREAS;
case CAMERA_PARAM_SUPPORTED_MAXMETERINGAREAS:
return CameraParameters::KEY_MAX_NUM_METERING_AREAS;
case CAMERA_PARAM_SUPPORTED_MINEXPOSURECOMPENSATION:
return CameraParameters::KEY_MIN_EXPOSURE_COMPENSATION;
case CAMERA_PARAM_SUPPORTED_MAXEXPOSURECOMPENSATION:
return CameraParameters::KEY_MAX_EXPOSURE_COMPENSATION;
case CAMERA_PARAM_SUPPORTED_EXPOSURECOMPENSATIONSTEP:
return CameraParameters::KEY_EXPOSURE_COMPENSATION_STEP;
case CAMERA_PARAM_SUPPORTED_ZOOM:
return CameraParameters::KEY_ZOOM_SUPPORTED;
case CAMERA_PARAM_SUPPORTED_ZOOMRATIOS:
return CameraParameters::KEY_ZOOM_RATIOS;
case CAMERA_PARAM_SUPPORTED_JPEG_THUMBNAIL_SIZES:
return CameraParameters::KEY_SUPPORTED_JPEG_THUMBNAIL_SIZES;
default:
return nullptr;
}
}
// nsDOMCameraControl implementation-specific constructor
nsDOMCameraControl::nsDOMCameraControl(uint32_t aCameraId, nsIThread* aCameraThread, nsICameraGetCameraCallback* onSuccess, nsICameraErrorCallback* onError, uint64_t aWindowId)
: mDOMCapabilities(nullptr)
{
DOM_CAMERA_LOGT("%s:%d : this=%p\n", __func__, __LINE__, this);
/**
* nsDOMCameraControl is a cycle-collection participant, which means it is
* not threadsafe--so we need to bump up its reference count here to make
* sure that it exists long enough to be initialized.
*
* Once it is initialized, the GetCameraResult main-thread runnable will
* decrement it again to make sure it can be cleaned up.
*
* nsGonkCameraControl MUST NOT hold a strong reference to this
* nsDOMCameraControl or memory will leak!
*/
NS_ADDREF_THIS();
mCameraControl = new nsGonkCameraControl(aCameraId, aCameraThread, this, onSuccess, onError, aWindowId);
}
// Gonk-specific CameraControl implementation.
// Initialize nsGonkCameraControl instance--runs on camera thread.
class InitGonkCameraControl : public nsRunnable
{
public:
InitGonkCameraControl(nsGonkCameraControl* aCameraControl, nsDOMCameraControl* aDOMCameraControl, nsICameraGetCameraCallback* onSuccess, nsICameraErrorCallback* onError, uint64_t aWindowId)
: mCameraControl(aCameraControl)
, mDOMCameraControl(aDOMCameraControl)
, mOnSuccessCb(onSuccess)
, mOnErrorCb(onError)
, mWindowId(aWindowId)
{
DOM_CAMERA_LOGT("%s:%d : this=%p\n", __func__, __LINE__, this);
}
~InitGonkCameraControl()
{
DOM_CAMERA_LOGT("%s:%d : this=%p\n", __func__, __LINE__, this);
}
NS_IMETHOD Run()
{
nsresult rv = mCameraControl->Init();
return mDOMCameraControl->Result(rv, mOnSuccessCb, mOnErrorCb, mWindowId);
}
nsRefPtr<nsGonkCameraControl> mCameraControl;
// Raw pointer to DOM-facing camera control--it must NS_ADDREF itself for us
nsDOMCameraControl* mDOMCameraControl;
nsCOMPtr<nsICameraGetCameraCallback> mOnSuccessCb;
nsCOMPtr<nsICameraErrorCallback> mOnErrorCb;
uint64_t mWindowId;
};
// Construct nsGonkCameraControl on the main thread.
nsGonkCameraControl::nsGonkCameraControl(uint32_t aCameraId, nsIThread* aCameraThread, nsDOMCameraControl* aDOMCameraControl, nsICameraGetCameraCallback* onSuccess, nsICameraErrorCallback* onError, uint64_t aWindowId)
: CameraControlImpl(aCameraId, aCameraThread, aWindowId)
, mHwHandle(0)
, mExposureCompensationMin(0.0)
, mExposureCompensationStep(0.0)
, mDeferConfigUpdate(false)
, mWidth(0)
, mHeight(0)
, mLastPictureWidth(0)
, mLastPictureHeight(0)
, mFormat(PREVIEW_FORMAT_UNKNOWN)
, mFps(30)
, mDiscardedFrameCount(0)
, mMediaProfiles(nullptr)
, mRecorder(nullptr)
, mVideoFile()
, mProfileManager(nullptr)
, mRecorderProfile(nullptr)
{
// Constructor runs on the main thread...
DOM_CAMERA_LOGT("%s:%d : this=%p\n", __func__, __LINE__, this);
mRwLock = PR_NewRWLock(PR_RWLOCK_RANK_NONE, "GonkCameraControl.Parameters.Lock");
// ...but initialization is carried out on the camera thread.
nsCOMPtr<nsIRunnable> init = new InitGonkCameraControl(this, aDOMCameraControl, onSuccess, onError, aWindowId);
mCameraThread->Dispatch(init, NS_DISPATCH_NORMAL);
}
nsresult
nsGonkCameraControl::Init()
{
mHwHandle = GonkCameraHardware::GetHandle(this, mCameraId);
DOM_CAMERA_LOGI("Initializing camera %d (this=%p, mHwHandle=%d)\n", mCameraId, this, mHwHandle);
// Initialize our camera configuration database.
PullParametersImpl();
// Try to set preferred image format and frame rate
DOM_CAMERA_LOGI("Camera preview formats: %s\n", mParams.get(mParams.KEY_SUPPORTED_PREVIEW_FORMATS));
const char* const PREVIEW_FORMAT = "yuv420p";
const char* const BAD_PREVIEW_FORMAT = "yuv420sp";
mParams.setPreviewFormat(PREVIEW_FORMAT);
mParams.setPreviewFrameRate(mFps);
PushParametersImpl();
// Check that our settings stuck
PullParametersImpl();
const char* format = mParams.getPreviewFormat();
if (strcmp(format, PREVIEW_FORMAT) == 0) {
mFormat = PREVIEW_FORMAT_YUV420P; /* \o/ */
} else if (strcmp(format, BAD_PREVIEW_FORMAT) == 0) {
mFormat = PREVIEW_FORMAT_YUV420SP;
DOM_CAMERA_LOGA("Camera ignored our request for '%s' preview, will have to convert (from %d)\n", PREVIEW_FORMAT, mFormat);
} else {
mFormat = PREVIEW_FORMAT_UNKNOWN;
DOM_CAMERA_LOGE("Camera ignored our request for '%s' preview, returned UNSUPPORTED format '%s'\n", PREVIEW_FORMAT, format);
}
// Check the frame rate and log if the camera ignored our setting
uint32_t fps = mParams.getPreviewFrameRate();
if (fps != mFps) {
DOM_CAMERA_LOGA("We asked for %d fps but camera returned %d fps, using that", mFps, fps);
mFps = fps;
}
// Grab any other settings we'll need later.
mExposureCompensationMin = mParams.getFloat(mParams.KEY_MIN_EXPOSURE_COMPENSATION);
mExposureCompensationStep = mParams.getFloat(mParams.KEY_EXPOSURE_COMPENSATION_STEP);
mMaxMeteringAreas = mParams.getInt(mParams.KEY_MAX_NUM_METERING_AREAS);
mMaxFocusAreas = mParams.getInt(mParams.KEY_MAX_NUM_FOCUS_AREAS);
DOM_CAMERA_LOGI(" - minimum exposure compensation: %f\n", mExposureCompensationMin);
DOM_CAMERA_LOGI(" - exposure compensation step: %f\n", mExposureCompensationStep);
DOM_CAMERA_LOGI(" - maximum metering areas: %d\n", mMaxMeteringAreas);
DOM_CAMERA_LOGI(" - maximum focus areas: %d\n", mMaxFocusAreas);
return mHwHandle != 0 ? NS_OK : NS_ERROR_FAILURE;
}
nsGonkCameraControl::~nsGonkCameraControl()
{
DOM_CAMERA_LOGT("%s:%d : this=%p, mHwHandle = %d\n", __func__, __LINE__, this, mHwHandle);
GonkCameraHardware::ReleaseHandle(mHwHandle);
if (mRwLock) {
PRRWLock* lock = mRwLock;
mRwLock = nullptr;
PR_DestroyRWLock(lock);
}
DOM_CAMERA_LOGT("%s:%d\n", __func__, __LINE__);
}
class RwAutoLockRead
{
public:
RwAutoLockRead(PRRWLock* aRwLock)
: mRwLock(aRwLock)
{
PR_RWLock_Rlock(mRwLock);
}
~RwAutoLockRead()
{
PR_RWLock_Unlock(mRwLock);
}
protected:
PRRWLock* mRwLock;
};
class RwAutoLockWrite
{
public:
RwAutoLockWrite(PRRWLock* aRwLock)
: mRwLock(aRwLock)
{
PR_RWLock_Wlock(mRwLock);
}
~RwAutoLockWrite()
{
PR_RWLock_Unlock(mRwLock);
}
protected:
PRRWLock* mRwLock;
};
const char*
nsGonkCameraControl::GetParameter(const char* aKey)
{
RwAutoLockRead lock(mRwLock);
return mParams.get(aKey);
}
const char*
nsGonkCameraControl::GetParameterConstChar(uint32_t aKey)
{
const char* key = getKeyText(aKey);
if (!key) {
return nullptr;
}
RwAutoLockRead lock(mRwLock);
return mParams.get(key);
}
double
nsGonkCameraControl::GetParameterDouble(uint32_t aKey)
{
double val;
int index = 0;
double focusDistance[3];
const char* s;
const char* key = getKeyText(aKey);
if (!key) {
// return 1x when zooming is not supported
return aKey == CAMERA_PARAM_ZOOM ? 1.0 : 0.0;
}
RwAutoLockRead lock(mRwLock);
switch (aKey) {
case CAMERA_PARAM_ZOOM:
val = mParams.getInt(key);
return val / 100;
/**
* The gonk camera parameters API only exposes one focus distance property
* that contains "Near,Optimum,Far" distances, in metres, where 'Far' may
* be 'Infinity'.
*/
case CAMERA_PARAM_FOCUSDISTANCEFAR:
++index;
// intentional fallthrough
case CAMERA_PARAM_FOCUSDISTANCEOPTIMUM:
++index;
// intentional fallthrough
case CAMERA_PARAM_FOCUSDISTANCENEAR:
s = mParams.get(key);
if (sscanf(s, "%lf,%lf,%lf", &focusDistance[0], &focusDistance[1], &focusDistance[2]) == 3) {
return focusDistance[index];
}
return 0.0;
case CAMERA_PARAM_EXPOSURECOMPENSATION:
index = mParams.getInt(key);
if (!index) {
// NaN indicates automatic exposure compensation
return NAN;
}
val = (index - 1) * mExposureCompensationStep + mExposureCompensationMin;
DOM_CAMERA_LOGI("index = %d --> compensation = %f\n", index, val);
return val;
default:
return mParams.getFloat(key);
}
}
void
nsGonkCameraControl::GetParameter(uint32_t aKey, nsTArray<CameraRegion>& aRegions)
{
aRegions.Clear();
const char* key = getKeyText(aKey);
if (!key) {
return;
}
RwAutoLockRead lock(mRwLock);
const char* value = mParams.get(key);
DOM_CAMERA_LOGI("key='%s' --> value='%s'\n", key, value);
if (!value) {
return;
}
const char* p = value;
uint32_t count = 1;
// count the number of regions in the string
while ((p = strstr(p, "),("))) {
++count;
p += 3;
}
aRegions.SetCapacity(count);
CameraRegion* r;
// parse all of the region sets
uint32_t i;
for (i = 0, p = value; p && i < count; ++i, p = strchr(p + 1, '(')) {
r = aRegions.AppendElement();
if (sscanf(p, "(%d,%d,%d,%d,%u)", &r->top, &r->left, &r->bottom, &r->right, &r->weight) != 5) {
DOM_CAMERA_LOGE("%s:%d : region tuple has bad format: '%s'\n", __func__, __LINE__, p);
aRegions.Clear();
return;
}
}
return;
}
void
nsGonkCameraControl::GetParameter(uint32_t aKey, nsTArray<CameraSize>& aSizes)
{
const char* key = getKeyText(aKey);
if (!key) {
return;
}
RwAutoLockRead lock(mRwLock);
const char* value = mParams.get(key);
DOM_CAMERA_LOGI("key='%s' --> value='%s'\n", key, value);
if (!value) {
return;
}
const char* p = value;
CameraSize* s;
// The 'value' string is in the format "w1xh1,w2xh2,w3xh3,..."
while (p) {
s = aSizes.AppendElement();
if (sscanf(p, "%dx%d", &s->width, &s->height) != 2) {
DOM_CAMERA_LOGE("%s:%d : size tuple has bad format: '%s'\n", __func__, __LINE__, p);
aSizes.Clear();
return;
}
// Look for the next record...
p = strchr(p, ',');
if (p) {
// ...skip the comma too
++p;
}
}
return;
}
nsresult
nsGonkCameraControl::PushParameters()
{
if (mDeferConfigUpdate) {
DOM_CAMERA_LOGT("%s:%d - defering config update\n", __func__, __LINE__);
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_IsMainThread()) {
DOM_CAMERA_LOGT("%s:%d - dispatching to main 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::SetParameter(const char* aKey, const char* aValue)
{
{
RwAutoLockWrite lock(mRwLock);
mParams.set(aKey, aValue);
}
PushParameters();
}
void
nsGonkCameraControl::SetParameter(uint32_t aKey, const char* aValue)
{
const char* key = getKeyText(aKey);
if (!key) {
return;
}
{
RwAutoLockWrite lock(mRwLock);
mParams.set(key, aValue);
}
PushParameters();
}
void
nsGonkCameraControl::SetParameter(uint32_t aKey, double aValue)
{
uint32_t index;
const char* key = getKeyText(aKey);
if (!key) {
return;
}
{
RwAutoLockWrite lock(mRwLock);
if (aKey == CAMERA_PARAM_EXPOSURECOMPENSATION) {
/**
* Convert from real value to a Gonk index, round
* to the nearest step; index is 1-based.
*/
index = (aValue - mExposureCompensationMin + mExposureCompensationStep / 2) / mExposureCompensationStep + 1;
DOM_CAMERA_LOGI("compensation = %f --> index = %d\n", aValue, index);
mParams.set(key, index);
} else {
mParams.setFloat(key, aValue);
}
}
PushParameters();
}
void
nsGonkCameraControl::SetParameter(uint32_t aKey, const nsTArray<CameraRegion>& aRegions)
{
const char* key = getKeyText(aKey);
if (!key) {
return;
}
uint32_t length = aRegions.Length();
if (!length) {
// This tells the camera driver to revert to automatic regioning.
mParams.set(key, "(0,0,0,0,0)");
PushParameters();
return;
}
nsCString s;
for (uint32_t i = 0; i < length; ++i) {
const CameraRegion* r = &aRegions[i];
s.AppendPrintf("(%d,%d,%d,%d,%d),", r->top, r->left, r->bottom, r->right, r->weight);
}
// remove the trailing comma
s.Trim(",", false, true, true);
DOM_CAMERA_LOGI("camera region string '%s'\n", s.get());
{
RwAutoLockWrite lock(mRwLock);
mParams.set(key, s.get());
}
PushParameters();
}
void
nsGonkCameraControl::SetParameter(uint32_t aKey, int aValue)
{
const char* key = getKeyText(aKey);
if (!key) {
return;
}
{
RwAutoLockWrite lock(mRwLock);
mParams.set(key, aValue);
}
PushParameters();
}
nsresult
nsGonkCameraControl::GetPreviewStreamImpl(GetPreviewStreamTask* aGetPreviewStream)
{
// stop any currently running preview
StopPreviewInternal(true /* forced */);
SetPreviewSize(aGetPreviewStream->mSize.width, aGetPreviewStream->mSize.height);
DOM_CAMERA_LOGI("picture preview: wanted %d x %d, got %d x %d (%d fps, format %d)\n", aGetPreviewStream->mSize.width, aGetPreviewStream->mSize.height, mWidth, mHeight, mFps, mFormat);
nsCOMPtr<GetPreviewStreamResult> getPreviewStreamResult = new GetPreviewStreamResult(this, mWidth, mHeight, mFps, aGetPreviewStream->mOnSuccessCb, mWindowId);
return NS_DispatchToMainThread(getPreviewStreamResult);
}
nsresult
nsGonkCameraControl::StartPreviewImpl(StartPreviewTask* aStartPreview)
{
/**
* If 'aStartPreview->mDOMPreview' is null, we are just restarting
* the preview after taking a picture. No need to monkey with the
* currently set DOM-facing preview object.
*/
if (aStartPreview->mDOMPreview) {
StopPreviewInternal(true /* forced */);
mDOMPreview = aStartPreview->mDOMPreview;
} else if (!mDOMPreview) {
return NS_ERROR_INVALID_ARG;
}
DOM_CAMERA_LOGI("%s: starting preview (mDOMPreview=%p)\n", __func__, mDOMPreview);
if (GonkCameraHardware::StartPreview(mHwHandle) != OK) {
DOM_CAMERA_LOGE("%s: failed to start preview\n", __func__);
return NS_ERROR_FAILURE;
}
if (aStartPreview->mDOMPreview) {
mDOMPreview->Started();
}
return NS_OK;
}
nsresult
nsGonkCameraControl::StopPreviewInternal(bool aForced)
{
DOM_CAMERA_LOGI("%s: stopping preview (mDOMPreview=%p)\n", __func__, mDOMPreview);
// StopPreview() is a synchronous call--it doesn't return
// until the camera preview thread exits.
if (mDOMPreview) {
GonkCameraHardware::StopPreview(mHwHandle);
mDOMPreview->Stopped(aForced);
mDOMPreview = nullptr;
}
return NS_OK;
}
nsresult
nsGonkCameraControl::StopPreviewImpl(StopPreviewTask* aStopPreview)
{
return StopPreviewInternal();
}
nsresult
nsGonkCameraControl::AutoFocusImpl(AutoFocusTask* aAutoFocus)
{
nsCOMPtr<nsICameraAutoFocusCallback> cb = mAutoFocusOnSuccessCb;
if (cb) {
/**
* We already have a callback, so someone has already
* called autoFocus() -- cancel it.
*/
mAutoFocusOnSuccessCb = nullptr;
nsCOMPtr<nsICameraErrorCallback> ecb = mAutoFocusOnErrorCb;
mAutoFocusOnErrorCb = nullptr;
if (ecb) {
nsresult rv = NS_DispatchToMainThread(new CameraErrorResult(ecb, NS_LITERAL_STRING("CANCELLED"), mWindowId));
NS_ENSURE_SUCCESS(rv, rv);
}
GonkCameraHardware::CancelAutoFocus(mHwHandle);
}
mAutoFocusOnSuccessCb = aAutoFocus->mOnSuccessCb;
mAutoFocusOnErrorCb = aAutoFocus->mOnErrorCb;
if (GonkCameraHardware::AutoFocus(mHwHandle) != OK) {
return NS_ERROR_FAILURE;
}
return NS_OK;
}
void
nsGonkCameraControl::SetupThumbnail(uint32_t aPictureWidth, uint32_t aPictureHeight, uint32_t aPercentQuality)
{
/**
* Use the smallest non-0x0 thumbnail size that matches
* the aspect ratio of our parameters...
*/
uint32_t smallestArea = UINT_MAX;
uint32_t smallestIndex = UINT_MAX;
nsAutoTArray<CameraSize, 8> thumbnailSizes;
GetParameter(CAMERA_PARAM_SUPPORTED_JPEG_THUMBNAIL_SIZES, thumbnailSizes);
for (uint32_t i = 0; i < thumbnailSizes.Length(); ++i) {
uint32_t area = thumbnailSizes[i].width * thumbnailSizes[i].height;
if (area != 0
&& area < smallestArea
&& thumbnailSizes[i].width * aPictureHeight / thumbnailSizes[i].height == aPictureWidth
) {
smallestArea = area;
smallestIndex = i;
}
}
aPercentQuality = clamped<uint32_t>(aPercentQuality, 1, 100);
SetParameter(CAMERA_PARAM_THUMBNAILQUALITY, static_cast<int>(aPercentQuality));
if (smallestIndex != UINT_MAX) {
uint32_t w = thumbnailSizes[smallestIndex].width;
uint32_t h = thumbnailSizes[smallestIndex].height;
DOM_CAMERA_LOGI("Using thumbnail size: %ux%u, quality: %u %%\n", w, h, aPercentQuality);
if (w > INT_MAX || h > INT_MAX) {
DOM_CAMERA_LOGE("Thumbnail dimension is too big, will use defaults\n");
return;
}
SetParameter(CAMERA_PARAM_THUMBNAILWIDTH, static_cast<int>(w));
SetParameter(CAMERA_PARAM_THUMBNAILHEIGHT, static_cast<int>(h));
}
}
nsresult
nsGonkCameraControl::TakePictureImpl(TakePictureTask* aTakePicture)
{
nsCOMPtr<nsICameraTakePictureCallback> cb = mTakePictureOnSuccessCb;
if (cb) {
/**
* We already have a callback, so someone has already
* called TakePicture() -- cancel it.
*/
mTakePictureOnSuccessCb = nullptr;
nsCOMPtr<nsICameraErrorCallback> ecb = mTakePictureOnErrorCb;
mTakePictureOnErrorCb = nullptr;
if (ecb) {
nsresult rv = NS_DispatchToMainThread(new CameraErrorResult(ecb, NS_LITERAL_STRING("CANCELLED"), mWindowId));
NS_ENSURE_SUCCESS(rv, rv);
}
GonkCameraHardware::CancelTakePicture(mHwHandle);
}
mTakePictureOnSuccessCb = aTakePicture->mOnSuccessCb;
mTakePictureOnErrorCb = aTakePicture->mOnErrorCb;
// batch-update camera configuration
mDeferConfigUpdate = true;
if (aTakePicture->mSize.width != mLastPictureWidth || aTakePicture->mSize.height != mLastPictureHeight) {
/**
* height and width: 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 (aTakePicture->mSize.width && aTakePicture->mSize.height) {
nsCString s;
s.AppendPrintf("%ux%u", aTakePicture->mSize.width, aTakePicture->mSize.height);
DOM_CAMERA_LOGI("setting picture size to '%s'\n", s.get());
SetParameter(CameraParameters::KEY_PICTURE_SIZE, s.get());
// Choose an appropriate thumbnail size and quality (from 1..100)
SetupThumbnail(aTakePicture->mSize.width, aTakePicture->mSize.height, 60);
}
mLastPictureWidth = aTakePicture->mSize.width;
mLastPictureHeight = aTakePicture->mSize.height;
}
// Picture format -- need to keep it for the callback.
mFileFormat = aTakePicture->mFileFormat;
SetParameter(CameraParameters::KEY_PICTURE_FORMAT, NS_ConvertUTF16toUTF8(mFileFormat).get());
// Convert 'rotation' to a positive value from 0..270 degrees, in steps of 90.
uint32_t r = static_cast<uint32_t>(aTakePicture->mRotation);
r += GonkCameraHardware::GetSensorOrientation(mHwHandle);
r %= 360;
r += 45;
r /= 90;
r *= 90;
DOM_CAMERA_LOGI("setting picture rotation to %d degrees (mapped from %d)\n", r, aTakePicture->mRotation);
SetParameter(CameraParameters::KEY_ROTATION, nsPrintfCString("%u", r).get());
// Add any specified positional information -- don't care if these fail.
if (!isnan(aTakePicture->mPosition.latitude)) {
DOM_CAMERA_LOGI("setting picture latitude to %lf\n", aTakePicture->mPosition.latitude);
SetParameter(CameraParameters::KEY_GPS_LATITUDE, nsPrintfCString("%lf", aTakePicture->mPosition.latitude).get());
}
if (!isnan(aTakePicture->mPosition.longitude)) {
DOM_CAMERA_LOGI("setting picture longitude to %lf\n", aTakePicture->mPosition.longitude);
SetParameter(CameraParameters::KEY_GPS_LONGITUDE, nsPrintfCString("%lf", aTakePicture->mPosition.longitude).get());
}
if (!isnan(aTakePicture->mPosition.altitude)) {
DOM_CAMERA_LOGI("setting picture altitude to %lf\n", aTakePicture->mPosition.altitude);
SetParameter(CameraParameters::KEY_GPS_ALTITUDE, nsPrintfCString("%lf", aTakePicture->mPosition.altitude).get());
}
if (!isnan(aTakePicture->mPosition.timestamp)) {
DOM_CAMERA_LOGI("setting picture timestamp to %lf\n", aTakePicture->mPosition.timestamp);
SetParameter(CameraParameters::KEY_GPS_TIMESTAMP, nsPrintfCString("%lf", aTakePicture->mPosition.timestamp).get());
}
mDeferConfigUpdate = false;
PushParameters();
if (GonkCameraHardware::TakePicture(mHwHandle) != OK) {
return NS_ERROR_FAILURE;
}
return NS_OK;
}
nsresult
nsGonkCameraControl::PushParametersImpl()
{
DOM_CAMERA_LOGI("Pushing camera parameters\n");
RwAutoLockRead lock(mRwLock);
if (GonkCameraHardware::PushParameters(mHwHandle, mParams) != OK) {
return NS_ERROR_FAILURE;
}
return NS_OK;
}
nsresult
nsGonkCameraControl::PullParametersImpl()
{
DOM_CAMERA_LOGI("Pulling camera parameters\n");
RwAutoLockWrite lock(mRwLock);
GonkCameraHardware::PullParameters(mHwHandle, mParams);
return NS_OK;
}
nsresult
nsGonkCameraControl::StartRecordingImpl(StartRecordingTask* aStartRecording)
{
mStartRecordingOnSuccessCb = aStartRecording->mOnSuccessCb;
mStartRecordingOnErrorCb = aStartRecording->mOnErrorCb;
/**
* 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.
*/
nsCOMPtr<nsIFile> filename = aStartRecording->mFolder;
filename->AppendRelativePath(aStartRecording->mFilename);
nsAutoCString nativeFilename;
filename->GetNativePath(nativeFilename);
DOM_CAMERA_LOGI("Video filename is '%s'\n", nativeFilename.get());
ScopedClose fd(open(nativeFilename.get(), O_RDWR | O_CREAT, 0644));
if (fd < 0) {
DOM_CAMERA_LOGE("Couldn't create file '%s': (%d) %s\n", nativeFilename.get(), errno, strerror(errno));
return NS_ERROR_FAILURE;
}
nsresult rv = SetupRecording(fd, aStartRecording->mOptions.rotation, aStartRecording->mOptions.maxFileSizeBytes, aStartRecording->mOptions.maxVideoLengthMs);
NS_ENSURE_SUCCESS(rv, rv);
if (mRecorder->start() != OK) {
DOM_CAMERA_LOGE("mRecorder->start() failed\n");
return NS_ERROR_FAILURE;
}
return NS_OK;
}
nsresult
nsGonkCameraControl::StopRecordingImpl(StopRecordingTask* aStopRecording)
{
mRecorder->stop();
delete mRecorder;
mRecorder = nullptr;
return NS_OK;
}
void
nsGonkCameraControl::AutoFocusComplete(bool aSuccess)
{
/**
* Auto focusing can change some of the camera's parameters, so
* we need to pull a new set before sending the result to the
* main thread.
*/
PullParametersImpl();
/**
* If we make it here, regardless of the value of 'aSuccess', we
* consider the autofocus _process_ to have succeeded. It is up
* to the onSuccess callback to determine how to handle the case
* where the camera wasn't actually able to acquire focus.
*/
nsCOMPtr<nsIRunnable> autoFocusResult = new AutoFocusResult(aSuccess, mAutoFocusOnSuccessCb, mWindowId);
/**
* Remember to set these to null so that we don't hold any extra
* references to our document's window.
*/
mAutoFocusOnSuccessCb = nullptr;
mAutoFocusOnErrorCb = nullptr;
nsresult rv = NS_DispatchToMainThread(autoFocusResult);
if (NS_FAILED(rv)) {
NS_WARNING("Failed to dispatch autoFocus() onSuccess callback to main thread!");
}
}
void
nsGonkCameraControl::TakePictureComplete(uint8_t* aData, uint32_t aLength)
{
uint8_t* data = new uint8_t[aLength];
memcpy(data, aData, aLength);
// TODO: see bug 779144.
nsIDOMBlob* blob = new nsDOMMemoryFile(static_cast<void*>(data), static_cast<uint64_t>(aLength), NS_LITERAL_STRING("image/jpeg"));
nsCOMPtr<nsIRunnable> takePictureResult = new TakePictureResult(blob, mTakePictureOnSuccessCb, mWindowId);
/**
* Remember to set these to null so that we don't hold any extra
* references to our document's window.
*/
mTakePictureOnSuccessCb = nullptr;
mTakePictureOnErrorCb = nullptr;
nsresult rv = NS_DispatchToMainThread(takePictureResult);
if (NS_FAILED(rv)) {
NS_WARNING("Failed to dispatch takePicture() onSuccess callback to main thread!");
}
}
void
nsGonkCameraControl::SetPreviewSize(uint32_t aWidth, uint32_t aHeight)
{
Vector<Size> previewSizes;
uint32_t bestWidth = aWidth;
uint32_t bestHeight = aHeight;
uint32_t minSizeDelta = UINT32_MAX;
uint32_t delta;
Size size;
mParams.getSupportedPreviewSizes(previewSizes);
if (!aWidth && !aHeight) {
// no size specified, take the first supported size
size = previewSizes[0];
bestWidth = size.width;
bestHeight = size.height;
} else if (aWidth && aHeight) {
// both height and width specified, find the supported size closest to requested size
for (uint32_t i = 0; i < previewSizes.size(); i++) {
Size size = previewSizes[i];
uint32_t delta = abs((long int)(size.width * size.height - aWidth * aHeight));
if (delta < minSizeDelta) {
minSizeDelta = delta;
bestWidth = size.width;
bestHeight = size.height;
}
}
} else if (!aWidth) {
// width not specified, find closest height match
for (uint32_t i = 0; i < previewSizes.size(); i++) {
size = previewSizes[i];
delta = abs((long int)(size.height - aHeight));
if (delta < minSizeDelta) {
minSizeDelta = delta;
bestWidth = size.width;
bestHeight = size.height;
}
}
} else if (!aHeight) {
// height not specified, find closest width match
for (uint32_t i = 0; i < previewSizes.size(); i++) {
size = previewSizes[i];
delta = abs((long int)(size.width - aWidth));
if (delta < minSizeDelta) {
minSizeDelta = delta;
bestWidth = size.width;
bestHeight = size.height;
}
}
}
mWidth = bestWidth;
mHeight = bestHeight;
mParams.setPreviewSize(mWidth, mHeight);
PushParameters();
}
nsresult
nsGonkCameraControl::SetupVideoMode(const nsAString& aProfile)
{
// read preferences for camcorder
mMediaProfiles = MediaProfiles::getInstance();
nsAutoCString profile = NS_ConvertUTF16toUTF8(aProfile);
mRecorderProfile = GetGonkRecorderProfileManager().get()->Get(profile.get());
if (!mRecorderProfile) {
DOM_CAMERA_LOGE("Recorder profile '%s' is not supported\n", profile.get());
return NS_ERROR_INVALID_ARG;
}
const GonkRecorderVideoProfile* video = mRecorderProfile->GetGonkVideoProfile();
int width = video->GetWidth();
int height = video->GetHeight();
int fps = video->GetFramerate();
if (fps == -1 || width == -1 || height == -1) {
DOM_CAMERA_LOGE("Can't configure preview with fps=%d, width=%d, height=%d\n", fps, width, height);
return NS_ERROR_FAILURE;
}
PullParametersImpl();
// configure camera video recording parameters
const size_t SIZE = 256;
char buffer[SIZE];
mParams.setPreviewSize(width, height);
mParams.setPreviewFrameRate(fps);
/**
* "record-size" is probably deprecated in later ICS;
* might need to set "video-size" instead of "record-size".
* See bug 795332.
*/
snprintf(buffer, SIZE, "%dx%d", width, height);
mParams.set("record-size", buffer);
// push the updated camera configuration immediately
PushParameters();
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->HandleRecorderEvent(msg, ext1, ext2);
}
}
IBinder* onAsBinder()
{
DOM_CAMERA_LOGE("onAsBinder() called, should NEVER get called!\n");
return nullptr;
}
protected:
~GonkRecorderListener() { }
nsRefPtr<nsGonkCameraControl> mCameraControl;
};
void
nsGonkCameraControl::HandleRecorderEvent(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 = -1; // no track
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(NS_LITERAL_STRING("FileSizeLimitReached"), ext2, trackNum);
return;
case MEDIA_RECORDER_INFO_MAX_DURATION_REACHED:
DOM_CAMERA_LOGI("recorder-event : info: maximum video duration reached\n");
OnRecorderStateChange(NS_LITERAL_STRING("VideoLengthLimitReached"), ext2, trackNum);
return;
case MEDIA_RECORDER_TRACK_INFO_COMPLETION_STATUS:
DOM_CAMERA_LOGI("recorder-event : info: track completed\n");
OnRecorderStateChange(NS_LITERAL_STRING("TrackCompleted"), 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(NS_LITERAL_STRING("MediaRecorderFailed"), ext2, trackNum);
return;
case MEDIA_ERROR_SERVER_DIED:
DOM_CAMERA_LOGE("recorder-event : recorder-error: server died\n");
OnRecorderStateChange(NS_LITERAL_STRING("MediaServerFailed"), 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(NS_LITERAL_STRING("TrackCompleted"), ext2, trackNum);
return;
}
DOM_CAMERA_LOGE("recorder-event : track-error: track %d, %d (0x%08x)\n", trackNum, ext2, ext2);
OnRecorderStateChange(NS_LITERAL_STRING("TrackFailed"), 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(NS_LITERAL_STRING("TrackFailed"), 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, int64_t aMaxFileSizeBytes, int64_t aMaxVideoLengthMs)
{
// choosing a size big enough to hold the params
const size_t SIZE = 256;
char buffer[SIZE];
mRecorder = new GonkRecorder();
CHECK_SETARG(mRecorder->init());
nsresult rv = mRecorderProfile->ConfigureRecorder(mRecorder);
NS_ENSURE_SUCCESS(rv, rv);
CHECK_SETARG(mRecorder->setCameraHandle((int32_t)mHwHandle));
DOM_CAMERA_LOGI("maxVideoLengthMs=%lld\n", aMaxVideoLengthMs);
if (aMaxVideoLengthMs == 0) {
aMaxVideoLengthMs = -1;
}
snprintf(buffer, SIZE, "max-duration=%lld", aMaxVideoLengthMs);
CHECK_SETARG(mRecorder->setParameters(String8(buffer)));
DOM_CAMERA_LOGI("maxFileSizeBytes=%lld\n", aMaxFileSizeBytes);
if (aMaxFileSizeBytes == 0) {
aMaxFileSizeBytes = -1;
}
snprintf(buffer, SIZE, "max-filesize=%lld", aMaxFileSizeBytes);
CHECK_SETARG(mRecorder->setParameters(String8(buffer)));
// adjust rotation by camera sensor offset
int r = aRotation;
r += GonkCameraHardware::GetSensorOrientation(mHwHandle, GonkCameraHardware::RAW_SENSOR_ORIENTATION);
r %= 360;
r += 45;
r /= 90;
r *= 90;
if (r < 0) {
// the video recorder only supports positive rotations
r += 360;
}
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(mRecorder->setParameters(String8(buffer)));
CHECK_SETARG(mRecorder->setListener(new GonkRecorderListener(this)));
// recording API needs file descriptor of output file
CHECK_SETARG(mRecorder->setOutputFile(aFd, 0, 0));
CHECK_SETARG(mRecorder->prepare());
return NS_OK;
}
nsresult
nsGonkCameraControl::GetPreviewStreamVideoModeImpl(GetPreviewStreamVideoModeTask* aGetPreviewStreamVideoMode)
{
// stop any currently running preview
StopPreviewInternal(true /* forced */);
// setup the video mode
nsresult rv = SetupVideoMode(aGetPreviewStreamVideoMode->mOptions.profile);
NS_ENSURE_SUCCESS(rv, rv);
const RecorderVideoProfile* video = mRecorderProfile->GetVideoProfile();
int width = video->GetWidth();
int height = video->GetHeight();
int fps = video->GetFramerate();
DOM_CAMERA_LOGI("recording preview format: %d x %d (%d fps)\n", width, height, fps);
// create and return new preview stream object
nsCOMPtr<GetPreviewStreamResult> getPreviewStreamResult = new GetPreviewStreamResult(this, width, height, fps, aGetPreviewStreamVideoMode->mOnSuccessCb, mWindowId);
rv = NS_DispatchToMainThread(getPreviewStreamResult);
if (NS_FAILED(rv)) {
NS_WARNING("Failed to dispatch GetPreviewStreamVideoMode() onSuccess callback to main thread!");
return rv;
}
return NS_OK;
}
already_AddRefed<GonkRecorderProfileManager>
nsGonkCameraControl::GetGonkRecorderProfileManager()
{
if (!mProfileManager) {
nsTArray<CameraSize> sizes;
nsresult rv = GetVideoSizes(sizes);
NS_ENSURE_SUCCESS(rv, nullptr);
mProfileManager = new GonkRecorderProfileManager(mCameraId);
mProfileManager->SetSupportedResolutions(sizes);
}
nsRefPtr<GonkRecorderProfileManager> profileMgr = mProfileManager;
return profileMgr.forget();
}
already_AddRefed<RecorderProfileManager>
nsGonkCameraControl::GetRecorderProfileManagerImpl()
{
nsRefPtr<RecorderProfileManager> profileMgr = GetGonkRecorderProfileManager();
return profileMgr.forget();
}
nsresult
nsGonkCameraControl::GetVideoSizes(nsTArray<CameraSize>& aVideoSizes)
{
aVideoSizes.Clear();
Vector<Size> sizes;
mParams.getSupportedVideoSizes(sizes);
if (sizes.size() == 0) {
DOM_CAMERA_LOGI("Camera doesn't support video independent of the preview\n");
mParams.getSupportedPreviewSizes(sizes);
}
if (sizes.size() == 0) {
DOM_CAMERA_LOGW("Camera doesn't report any supported video sizes at all\n");
return NS_OK;
}
for (size_t i = 0; i < sizes.size(); ++i) {
CameraSize size;
size.width = sizes[i].width;
size.height = sizes[i].height;
aVideoSizes.AppendElement(size);
}
return NS_OK;
}
// Gonk callback handlers.
namespace mozilla {
void
ReceiveImage(nsGonkCameraControl* gc, uint8_t* aData, uint32_t aLength)
{
gc->TakePictureComplete(aData, aLength);
}
void
AutoFocusComplete(nsGonkCameraControl* gc, bool aSuccess)
{
gc->AutoFocusComplete(aSuccess);
}
static void
GonkFrameBuilder(Image* aImage, void* aBuffer, uint32_t aWidth, uint32_t aHeight)
{
/**
* Cast the generic Image back to our platform-specific type and
* populate it.
*/
GonkIOSurfaceImage* videoImage = static_cast<GonkIOSurfaceImage*>(aImage);
GonkIOSurfaceImage::Data data;
data.mGraphicBuffer = static_cast<layers::GraphicBufferLocked*>(aBuffer);
data.mPicSize = gfxIntSize(aWidth, aHeight);
videoImage->SetData(data);
}
void
ReceiveFrame(nsGonkCameraControl* gc, layers::GraphicBufferLocked* aBuffer)
{
if (!gc->ReceiveFrame(aBuffer, ImageFormat::GONK_IO_SURFACE, GonkFrameBuilder)) {
aBuffer->Unlock();
}
}
void
OnShutter(nsGonkCameraControl* gc)
{
gc->OnShutter();
}
void
OnClosed(nsGonkCameraControl* gc)
{
gc->OnClosed();
}
} // namespace mozilla
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