mirror of
https://github.com/mozilla/gecko-dev.git
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1085 lines
31 KiB
C++
1085 lines
31 KiB
C++
/*
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* Copyright (C) 2013-2015 Mozilla Foundation
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include "GonkCameraParameters.h"
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#include "CameraPreferences.h"
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#include "ICameraControl.h"
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#include "CameraCommon.h"
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#include "mozilla/Hal.h"
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#include "nsDataHashtable.h"
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#include "nsPrintfCString.h"
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using namespace mozilla;
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using namespace android;
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/* static */ bool
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GonkCameraParameters::IsLowMemoryPlatform()
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{
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bool testIsLowMem = false;
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CameraPreferences::GetPref("camera.control.test.is_low_memory", testIsLowMem);
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if (testIsLowMem) {
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NS_WARNING("Forcing low-memory platform camera preferences");
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return true;
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}
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uint32_t lowMemoryThresholdBytes = 0;
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CameraPreferences::GetPref("camera.control.low_memory_thresholdMB",
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lowMemoryThresholdBytes);
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lowMemoryThresholdBytes *= 1024 * 1024;
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if (lowMemoryThresholdBytes) {
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uint32_t totalMemoryBytes = hal::GetTotalSystemMemory();
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if (totalMemoryBytes < lowMemoryThresholdBytes) {
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DOM_CAMERA_LOGI("Low-memory platform with %d bytes of RAM (threshold: <%d bytes)\n",
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totalMemoryBytes, lowMemoryThresholdBytes);
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return true;
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}
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}
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return false;
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}
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const char*
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GonkCameraParameters::FindVendorSpecificKey(const char* aPotentialKeys[],
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size_t aPotentialKeyCount)
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{
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const char* val;
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for (size_t i = 0; i < aPotentialKeyCount; ++i) {
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GetImpl(aPotentialKeys[i], val);
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if (val) {
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// We received a value (potentially an empty-string one),
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// which indicates that this key exists.
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return aPotentialKeys[i];
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}
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}
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return nullptr;
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}
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/* static */ PLDHashOperator
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GonkCameraParameters::EnumerateFlatten(const nsACString& aKey,
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nsCString* aValue,
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void* aUserArg)
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{
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nsCString* data = static_cast<nsCString*>(aUserArg);
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if (!data->IsEmpty()) {
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data->Append(';');
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}
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data->Append(aKey);
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data->Append('=');
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data->Append(*aValue);
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return PL_DHASH_NEXT;
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}
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String8
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GonkCameraParameters::Flatten() const
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{
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MutexAutoLock lock(mLock);
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nsCString data;
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mParams.EnumerateRead(EnumerateFlatten, static_cast<void*>(&data));
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return String8(data.Data());
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}
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nsresult
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GonkCameraParameters::Unflatten(const String8& aFlatParameters)
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{
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MutexAutoLock lock(mLock);
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mParams.Clear();
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const char* data = aFlatParameters.string();
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while (data && *data) {
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const char* pos = strchr(data, '=');
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if (!pos) {
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break;
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}
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nsDependentCSubstring key(data, pos - data);
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data = pos + 1;
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nsCString* value;
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pos = strchr(data, ';');
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if (pos) {
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value = new nsCString(data, pos - data);
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data = pos + 1;
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} else {
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value = new nsCString(data);
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data = nullptr;
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}
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mParams.Put(key, value);
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}
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if (mInitialized) {
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return NS_OK;
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}
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// We call Initialize() once when the parameter set is first loaded,
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// to set up any constant values this class requires internally,
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// e.g. the exposure compensation step and limits.
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return Initialize();
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}
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const char*
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GonkCameraParameters::GetTextKey(uint32_t aKey)
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{
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switch (aKey) {
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case CAMERA_PARAM_PREVIEWSIZE:
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return CameraParameters::KEY_PREVIEW_SIZE;
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case CAMERA_PARAM_PREVIEWFORMAT:
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return CameraParameters::KEY_PREVIEW_FORMAT;
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case CAMERA_PARAM_PREVIEWFRAMERATE:
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return CameraParameters::KEY_PREVIEW_FRAME_RATE;
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case CAMERA_PARAM_EFFECT:
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return CameraParameters::KEY_EFFECT;
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case CAMERA_PARAM_WHITEBALANCE:
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return CameraParameters::KEY_WHITE_BALANCE;
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case CAMERA_PARAM_SCENEMODE:
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return CameraParameters::KEY_SCENE_MODE;
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case CAMERA_PARAM_FLASHMODE:
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return CameraParameters::KEY_FLASH_MODE;
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case CAMERA_PARAM_FOCUSMODE:
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return CameraParameters::KEY_FOCUS_MODE;
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case CAMERA_PARAM_ZOOM:
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return CameraParameters::KEY_ZOOM;
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case CAMERA_PARAM_METERINGAREAS:
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return CameraParameters::KEY_METERING_AREAS;
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case CAMERA_PARAM_FOCUSAREAS:
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return CameraParameters::KEY_FOCUS_AREAS;
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case CAMERA_PARAM_FOCALLENGTH:
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return CameraParameters::KEY_FOCAL_LENGTH;
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case CAMERA_PARAM_FOCUSDISTANCENEAR:
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return CameraParameters::KEY_FOCUS_DISTANCES;
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case CAMERA_PARAM_FOCUSDISTANCEOPTIMUM:
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return CameraParameters::KEY_FOCUS_DISTANCES;
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case CAMERA_PARAM_FOCUSDISTANCEFAR:
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return CameraParameters::KEY_FOCUS_DISTANCES;
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case CAMERA_PARAM_EXPOSURECOMPENSATION:
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return CameraParameters::KEY_EXPOSURE_COMPENSATION;
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case CAMERA_PARAM_THUMBNAILQUALITY:
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return CameraParameters::KEY_JPEG_THUMBNAIL_QUALITY;
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case CAMERA_PARAM_PICTURE_SIZE:
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return CameraParameters::KEY_PICTURE_SIZE;
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case CAMERA_PARAM_PICTURE_FILEFORMAT:
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return CameraParameters::KEY_PICTURE_FORMAT;
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case CAMERA_PARAM_PICTURE_ROTATION:
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return CameraParameters::KEY_ROTATION;
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case CAMERA_PARAM_PICTURE_DATETIME:
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// Not every platform defines a CameraParameters::EXIF_DATETIME;
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// for those that don't, we use the raw string key, and if the platform
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// doesn't support it, it will be ignored.
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//
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// See bug 832494.
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return "exif-datetime";
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case CAMERA_PARAM_VIDEOSIZE:
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return CameraParameters::KEY_VIDEO_SIZE;
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case CAMERA_PARAM_ISOMODE:
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if (!mVendorSpecificKeyIsoMode) {
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const char* isoModeKeys[] = {
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"iso",
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"sony-iso"
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};
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mVendorSpecificKeyIsoMode =
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FindVendorSpecificKey(isoModeKeys, MOZ_ARRAY_LENGTH(isoModeKeys));
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}
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return mVendorSpecificKeyIsoMode;
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case CAMERA_PARAM_LUMINANCE:
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return "luminance-condition";
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case CAMERA_PARAM_SCENEMODE_HDR_RETURNNORMALPICTURE:
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// Not every platform defines CameraParameters::QC_HDR_NEED_1X;
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// for those that don't, we use the raw string key.
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return "hdr-need-1x";
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case CAMERA_PARAM_RECORDINGHINT:
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return CameraParameters::KEY_RECORDING_HINT;
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case CAMERA_PARAM_PICTURE_QUALITY:
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return CameraParameters::KEY_JPEG_QUALITY;
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case CAMERA_PARAM_PREFERRED_PREVIEWSIZE_FOR_VIDEO:
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return CameraParameters::KEY_PREFERRED_PREVIEW_SIZE_FOR_VIDEO;
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case CAMERA_PARAM_METERINGMODE:
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// Not every platform defines CameraParameters::AUTO_EXPOSURE.
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return "auto-exposure";
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case CAMERA_PARAM_SUPPORTED_PREVIEWSIZES:
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return CameraParameters::KEY_SUPPORTED_PREVIEW_SIZES;
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case CAMERA_PARAM_SUPPORTED_PICTURESIZES:
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return CameraParameters::KEY_SUPPORTED_PICTURE_SIZES;
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case CAMERA_PARAM_SUPPORTED_VIDEOSIZES:
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return CameraParameters::KEY_SUPPORTED_VIDEO_SIZES;
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case CAMERA_PARAM_SUPPORTED_PICTUREFORMATS:
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return CameraParameters::KEY_SUPPORTED_PICTURE_FORMATS;
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case CAMERA_PARAM_SUPPORTED_WHITEBALANCES:
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return CameraParameters::KEY_SUPPORTED_WHITE_BALANCE;
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case CAMERA_PARAM_SUPPORTED_SCENEMODES:
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return CameraParameters::KEY_SUPPORTED_SCENE_MODES;
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case CAMERA_PARAM_SUPPORTED_EFFECTS:
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return CameraParameters::KEY_SUPPORTED_EFFECTS;
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case CAMERA_PARAM_SUPPORTED_FLASHMODES:
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return CameraParameters::KEY_SUPPORTED_FLASH_MODES;
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case CAMERA_PARAM_SUPPORTED_FOCUSMODES:
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return CameraParameters::KEY_SUPPORTED_FOCUS_MODES;
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case CAMERA_PARAM_SUPPORTED_MAXFOCUSAREAS:
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return CameraParameters::KEY_MAX_NUM_FOCUS_AREAS;
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case CAMERA_PARAM_SUPPORTED_MAXMETERINGAREAS:
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return CameraParameters::KEY_MAX_NUM_METERING_AREAS;
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case CAMERA_PARAM_SUPPORTED_MINEXPOSURECOMPENSATION:
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return CameraParameters::KEY_MIN_EXPOSURE_COMPENSATION;
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case CAMERA_PARAM_SUPPORTED_MAXEXPOSURECOMPENSATION:
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return CameraParameters::KEY_MAX_EXPOSURE_COMPENSATION;
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case CAMERA_PARAM_SUPPORTED_EXPOSURECOMPENSATIONSTEP:
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return CameraParameters::KEY_EXPOSURE_COMPENSATION_STEP;
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case CAMERA_PARAM_SUPPORTED_ZOOM:
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return CameraParameters::KEY_ZOOM_SUPPORTED;
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case CAMERA_PARAM_SUPPORTED_ZOOMRATIOS:
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return CameraParameters::KEY_ZOOM_RATIOS;
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case CAMERA_PARAM_SUPPORTED_MAXDETECTEDFACES:
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return CameraParameters::KEY_MAX_NUM_DETECTED_FACES_HW;
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case CAMERA_PARAM_SUPPORTED_JPEG_THUMBNAIL_SIZES:
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return CameraParameters::KEY_SUPPORTED_JPEG_THUMBNAIL_SIZES;
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case CAMERA_PARAM_SUPPORTED_ISOMODES:
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if (!mVendorSpecificKeySupportedIsoModes) {
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const char* supportedIsoModesKeys[] = {
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"iso-values",
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"sony-iso-values"
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};
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mVendorSpecificKeySupportedIsoModes =
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FindVendorSpecificKey(supportedIsoModesKeys,
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MOZ_ARRAY_LENGTH(supportedIsoModesKeys));
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}
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return mVendorSpecificKeySupportedIsoModes;
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case CAMERA_PARAM_SUPPORTED_METERINGMODES:
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// Not every platform defines CameraParameters::SUPPORTED_AUTO_EXPOSURE.
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return "auto-exposure-values";
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default:
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DOM_CAMERA_LOGE("Unhandled camera parameter value %u\n", aKey);
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return nullptr;
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}
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}
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GonkCameraParameters::GonkCameraParameters()
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: mLock("mozilla::camera::GonkCameraParameters")
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, mDirty(false)
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, mInitialized(false)
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, mExposureCompensationStep(0.0)
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, mVendorSpecificKeyIsoMode(nullptr)
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, mVendorSpecificKeySupportedIsoModes(nullptr)
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{
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MOZ_COUNT_CTOR(GonkCameraParameters);
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}
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GonkCameraParameters::~GonkCameraParameters()
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{
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MOZ_COUNT_DTOR(GonkCameraParameters);
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mIsoModeMap.Clear();
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}
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nsresult
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GonkCameraParameters::MapIsoToGonk(const nsAString& aIso, nsACString& aIsoOut)
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{
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nsCString* s;
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if (mIsoModeMap.Get(aIso, &s)) {
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if (!s) {
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DOM_CAMERA_LOGE("ISO mode '%s' maps to null Gonk ISO value\n",
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NS_LossyConvertUTF16toASCII(aIso).get());
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return NS_ERROR_FAILURE;
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}
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aIsoOut = *s;
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return NS_OK;
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}
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return NS_ERROR_INVALID_ARG;
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}
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nsresult
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GonkCameraParameters::MapIsoFromGonk(const char* aIso, nsAString& aIsoOut)
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{
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if (!aIso) {
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return NS_ERROR_NOT_AVAILABLE;
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}
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if (strcmp(aIso, "ISO_HJR") == 0) {
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aIsoOut.AssignASCII("hjr");
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} else if (strcmp(aIso, "auto") == 0) {
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aIsoOut.AssignASCII("auto");
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} else {
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unsigned int iso;
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char ignored;
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// Some camera libraries return ISO modes as "ISO100", others as "100".
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if (sscanf(aIso, "ISO%u%c", &iso, &ignored) != 1 &&
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sscanf(aIso, "%u%c", &iso, &ignored) != 1) {
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return NS_ERROR_INVALID_ARG;
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}
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aIsoOut.Truncate(0);
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aIsoOut.AppendInt(iso);
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}
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return NS_OK;
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}
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// Any members that need to be initialized on the first parameter pull
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// need to get handled in here.
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nsresult
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GonkCameraParameters::Initialize()
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{
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nsresult rv;
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rv = GetImpl(CameraParameters::KEY_EXPOSURE_COMPENSATION_STEP, mExposureCompensationStep);
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if (NS_FAILED(rv)) {
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NS_WARNING("Failed to initialize exposure compensation step size");
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mExposureCompensationStep = 0.0;
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}
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rv = GetImpl(CameraParameters::KEY_MIN_EXPOSURE_COMPENSATION, mExposureCompensationMinIndex);
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if (NS_FAILED(rv)) {
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NS_WARNING("Failed to initialize minimum exposure compensation index");
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mExposureCompensationMinIndex = 0;
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}
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rv = GetImpl(CameraParameters::KEY_MAX_EXPOSURE_COMPENSATION, mExposureCompensationMaxIndex);
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if (NS_FAILED(rv)) {
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NS_WARNING("Failed to initialize maximum exposure compensation index");
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mExposureCompensationMaxIndex = 0;
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}
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rv = GetListAsArray(CAMERA_PARAM_SUPPORTED_ZOOMRATIOS, mZoomRatios);
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if (NS_FAILED(rv)) {
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// zoom is not supported
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mZoomRatios.Clear();
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}
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for (uint32_t i = 1; i < mZoomRatios.Length(); ++i) {
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// Make sure the camera gave us a properly sorted zoom ratio list!
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if (mZoomRatios[i] < mZoomRatios[i - 1]) {
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NS_WARNING("Zoom ratios list is out of order, discarding");
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DOM_CAMERA_LOGE("zoom[%d]=%fx < zoom[%d]=%fx is out of order\n",
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i, mZoomRatios[i] / 100.0, i - 1, mZoomRatios[i - 1] / 100.0);
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mZoomRatios.Clear();
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break;
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}
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}
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if (mZoomRatios.Length() == 0) {
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// Always report that we support at least 1.0x zoom.
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*mZoomRatios.AppendElement() = 100;
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}
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// The return code from GetListAsArray() doesn't matter. If it fails,
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// the isoModes array will be empty, and the subsequent loop won't
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// execute.
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nsString s;
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nsTArray<nsCString> isoModes;
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GetListAsArray(CAMERA_PARAM_SUPPORTED_ISOMODES, isoModes);
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for (nsTArray<nsCString>::index_type i = 0; i < isoModes.Length(); ++i) {
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rv = MapIsoFromGonk(isoModes[i].get(), s);
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if (NS_FAILED(rv)) {
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DOM_CAMERA_LOGW("Unrecognized ISO mode value '%s'\n", isoModes[i].get());
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continue;
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}
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*mIsoModes.AppendElement() = s;
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mIsoModeMap.Put(s, new nsCString(isoModes[i]));
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}
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GetListAsArray(CAMERA_PARAM_SUPPORTED_SCENEMODES, mSceneModes);
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if (IsLowMemoryPlatform()) {
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bool hdrRemoved = false;
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while (mSceneModes.RemoveElement(NS_LITERAL_STRING("hdr"))) {
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hdrRemoved = true;
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}
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if (hdrRemoved) {
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DOM_CAMERA_LOGI("Disabling HDR support due to low memory\n");
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}
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}
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// Some platforms have strange duplicate metering mode values.
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// We filter any out here.
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nsDataHashtable<nsStringHashKey, bool> uniqueModes;
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GetListAsArray(CAMERA_PARAM_SUPPORTED_METERINGMODES, mMeteringModes);
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nsTArray<nsCString>::index_type i = mMeteringModes.Length();
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while (i > 0) {
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--i;
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if (!uniqueModes.Get(mMeteringModes[i])) {
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uniqueModes.Put(mMeteringModes[i], true);
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} else {
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DOM_CAMERA_LOGW("Dropped duplicate metering mode '%s' (index=%u)\n",
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NS_ConvertUTF16toUTF8(mMeteringModes[i]).get(), i);
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mMeteringModes.RemoveElementAt(i);
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}
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}
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mInitialized = true;
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return NS_OK;
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}
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// Handle nsAStrings
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nsresult
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GonkCameraParameters::SetTranslated(uint32_t aKey, const nsAString& aValue)
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{
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switch (aKey) {
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case CAMERA_PARAM_ISOMODE:
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{
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nsAutoCString v;
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nsresult rv = MapIsoToGonk(aValue, v);
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if (NS_FAILED(rv)) {
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return rv;
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}
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return SetImpl(aKey, v.get());
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}
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case CAMERA_PARAM_SCENEMODE:
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if (mSceneModes.IndexOf(aValue) == nsTArray<nsString>::NoIndex) {
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return NS_ERROR_INVALID_ARG;
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}
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// fallthrough
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default:
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return SetImpl(aKey, NS_ConvertUTF16toUTF8(aValue).get());
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}
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}
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nsresult
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GonkCameraParameters::GetTranslated(uint32_t aKey, nsAString& aValue)
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{
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const char* val;
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nsresult rv = GetImpl(aKey, val);
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if (NS_FAILED(rv)) {
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return rv;
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}
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if (val) {
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if (aKey == CAMERA_PARAM_ISOMODE) {
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rv = MapIsoFromGonk(val, aValue);
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} else {
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aValue.AssignASCII(val);
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}
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} else {
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aValue.Truncate(0);
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}
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return rv;
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}
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// Handle ICameraControl::Sizes
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nsresult
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GonkCameraParameters::SetTranslated(uint32_t aKey, const ICameraControl::Size& aSize)
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{
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if (aSize.width > INT_MAX || aSize.height > INT_MAX) {
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// AOSP can only handle signed ints.
|
|
DOM_CAMERA_LOGE("Camera parameter aKey=%d out of bounds (width=%u, height=%u)\n",
|
|
aKey, aSize.width, aSize.height);
|
|
return NS_ERROR_INVALID_ARG;
|
|
}
|
|
|
|
nsresult rv;
|
|
|
|
switch (aKey) {
|
|
case CAMERA_PARAM_THUMBNAILSIZE:
|
|
// This is a special case--for some reason the thumbnail size
|
|
// is accessed as two separate values instead of a tuple.
|
|
// XXXmikeh - make this restore the original values on error
|
|
rv = SetImpl(CameraParameters::KEY_JPEG_THUMBNAIL_WIDTH, static_cast<int>(aSize.width));
|
|
if (NS_SUCCEEDED(rv)) {
|
|
rv = SetImpl(CameraParameters::KEY_JPEG_THUMBNAIL_HEIGHT, static_cast<int>(aSize.height));
|
|
}
|
|
break;
|
|
|
|
case CAMERA_PARAM_VIDEOSIZE:
|
|
// "record-size" is probably deprecated in later ICS;
|
|
// might need to set "video-size" instead of "record-size";
|
|
// for the time being, set both. See bug 795332.
|
|
rv = SetImpl("record-size", nsPrintfCString("%ux%u", aSize.width, aSize.height).get());
|
|
if (NS_FAILED(rv)) {
|
|
break;
|
|
}
|
|
// intentional fallthrough
|
|
|
|
default:
|
|
rv = SetImpl(aKey, nsPrintfCString("%ux%u", aSize.width, aSize.height).get());
|
|
break;
|
|
}
|
|
|
|
if (NS_FAILED(rv)) {
|
|
DOM_CAMERA_LOGE("Camera parameter aKey=%d failed to set (0x%x)\n", aKey, rv);
|
|
}
|
|
return rv;
|
|
}
|
|
|
|
nsresult
|
|
GonkCameraParameters::GetTranslated(uint32_t aKey, ICameraControl::Size& aSize)
|
|
{
|
|
nsresult rv;
|
|
|
|
if (aKey == CAMERA_PARAM_THUMBNAILSIZE) {
|
|
int width;
|
|
int height;
|
|
|
|
rv = GetImpl(CameraParameters::KEY_JPEG_THUMBNAIL_WIDTH, width);
|
|
if (NS_FAILED(rv)) {
|
|
return rv;
|
|
}
|
|
if (width < 0) {
|
|
return NS_ERROR_NOT_AVAILABLE;
|
|
}
|
|
rv = GetImpl(CameraParameters::KEY_JPEG_THUMBNAIL_HEIGHT, height);
|
|
if (NS_FAILED(rv)) {
|
|
return rv;
|
|
}
|
|
if (height < 0) {
|
|
return NS_ERROR_NOT_AVAILABLE;
|
|
}
|
|
|
|
aSize.width = static_cast<uint32_t>(width);
|
|
aSize.height = static_cast<uint32_t>(height);
|
|
return NS_OK;
|
|
}
|
|
|
|
const char* value;
|
|
rv = GetImpl(aKey, value);
|
|
if (NS_FAILED(rv)) {
|
|
return rv;
|
|
}
|
|
if (!value || *value == '\0') {
|
|
DOM_CAMERA_LOGW("Camera parameter aKey=%d not available\n", aKey);
|
|
return NS_ERROR_NOT_AVAILABLE;
|
|
}
|
|
if (sscanf(value, "%ux%u", &aSize.width, &aSize.height) != 2) {
|
|
DOM_CAMERA_LOGE("Camera parameter aKey=%d size tuple '%s' is invalid\n", aKey, value);
|
|
return NS_ERROR_NOT_AVAILABLE;
|
|
}
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
// Handle arrays of ICameraControl::Regions
|
|
nsresult
|
|
GonkCameraParameters::SetTranslated(uint32_t aKey, const nsTArray<ICameraControl::Region>& aRegions)
|
|
{
|
|
uint32_t length = aRegions.Length();
|
|
|
|
if (!length) {
|
|
// This tells the camera driver to revert to automatic regioning.
|
|
return SetImpl(aKey, "(0,0,0,0,0)");
|
|
}
|
|
|
|
nsCString s;
|
|
|
|
for (uint32_t i = 0; i < length; ++i) {
|
|
const ICameraControl::Region* r = &aRegions[i];
|
|
s.AppendPrintf("(%d,%d,%d,%d,%d),", r->left, r->top, r->right, r->bottom, r->weight);
|
|
}
|
|
|
|
// remove the trailing comma
|
|
s.Trim(",", false, true, true);
|
|
|
|
return SetImpl(aKey, s.get());
|
|
}
|
|
|
|
nsresult
|
|
GonkCameraParameters::GetTranslated(uint32_t aKey, nsTArray<ICameraControl::Region>& aRegions)
|
|
{
|
|
aRegions.Clear();
|
|
|
|
const char* value;
|
|
nsresult rv = GetImpl(aKey, value);
|
|
if (NS_FAILED(rv)) {
|
|
return rv;
|
|
}
|
|
if (!value || *value == '\0') {
|
|
DOM_CAMERA_LOGW("Camera parameter aKey=%d not available\n", aKey);
|
|
return NS_ERROR_NOT_AVAILABLE;
|
|
}
|
|
|
|
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);
|
|
ICameraControl::Region* 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->left, &r->top, &r->right, &r->bottom, &r->weight) != 5) {
|
|
DOM_CAMERA_LOGE("Camera parameter aKey=%d region tuple has bad format: '%s'\n", aKey, p);
|
|
aRegions.Clear();
|
|
return NS_ERROR_NOT_AVAILABLE;
|
|
}
|
|
}
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
// Handle ICameraControl::Positions
|
|
nsresult
|
|
GonkCameraParameters::SetTranslated(uint32_t aKey, const ICameraControl::Position& aPosition)
|
|
{
|
|
MOZ_ASSERT(aKey == CAMERA_PARAM_PICTURE_LOCATION);
|
|
|
|
// Add any specified location information -- we don't care if these fail.
|
|
if (!isnan(aPosition.latitude)) {
|
|
DOM_CAMERA_LOGI("setting picture latitude to %lf\n", aPosition.latitude);
|
|
SetImpl(CameraParameters::KEY_GPS_LATITUDE, nsPrintfCString("%lf", aPosition.latitude).get());
|
|
} else {
|
|
ClearImpl(CameraParameters::KEY_GPS_LATITUDE);
|
|
}
|
|
if (!isnan(aPosition.longitude)) {
|
|
DOM_CAMERA_LOGI("setting picture longitude to %lf\n", aPosition.longitude);
|
|
SetImpl(CameraParameters::KEY_GPS_LONGITUDE, nsPrintfCString("%lf", aPosition.longitude).get());
|
|
} else {
|
|
ClearImpl(CameraParameters::KEY_GPS_LONGITUDE);
|
|
}
|
|
if (!isnan(aPosition.altitude)) {
|
|
DOM_CAMERA_LOGI("setting picture altitude to %lf\n", aPosition.altitude);
|
|
SetImpl(CameraParameters::KEY_GPS_ALTITUDE, nsPrintfCString("%lf", aPosition.altitude).get());
|
|
} else {
|
|
ClearImpl(CameraParameters::KEY_GPS_ALTITUDE);
|
|
}
|
|
if (!isnan(aPosition.timestamp)) {
|
|
DOM_CAMERA_LOGI("setting picture timestamp to %lf\n", aPosition.timestamp);
|
|
SetImpl(CameraParameters::KEY_GPS_TIMESTAMP, nsPrintfCString("%lf", aPosition.timestamp).get());
|
|
} else {
|
|
ClearImpl(CameraParameters::KEY_GPS_TIMESTAMP);
|
|
}
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
// Handle int64_ts
|
|
nsresult
|
|
GonkCameraParameters::SetTranslated(uint32_t aKey, const int64_t& aValue)
|
|
{
|
|
switch (aKey) {
|
|
case CAMERA_PARAM_PICTURE_DATETIME:
|
|
{
|
|
// Add the non-GPS timestamp. The EXIF date/time field is formatted as
|
|
// "YYYY:MM:DD HH:MM:SS", without room for a time-zone; as such, the time
|
|
// is meant to be stored as a local time. Since we are given seconds from
|
|
// Epoch GMT, we use localtime_r() to handle the conversion.
|
|
time_t time = aValue;
|
|
if (time != aValue) {
|
|
DOM_CAMERA_LOGE("picture date/time '%llu' is too far in the future\n", aValue);
|
|
return NS_ERROR_INVALID_ARG;
|
|
}
|
|
|
|
struct tm t;
|
|
if (!localtime_r(&time, &t)) {
|
|
DOM_CAMERA_LOGE("picture date/time couldn't be converted to local time: (%d) %s\n", errno, strerror(errno));
|
|
return NS_ERROR_FAILURE;
|
|
}
|
|
|
|
char dateTime[20];
|
|
if (!strftime(dateTime, sizeof(dateTime), "%Y:%m:%d %T", &t)) {
|
|
DOM_CAMERA_LOGE("picture date/time couldn't be converted to string\n");
|
|
return NS_ERROR_FAILURE;
|
|
}
|
|
|
|
DOM_CAMERA_LOGI("setting picture date/time to %s\n", dateTime);
|
|
|
|
return SetImpl(CAMERA_PARAM_PICTURE_DATETIME, dateTime);
|
|
}
|
|
|
|
case CAMERA_PARAM_ISOMODE:
|
|
{
|
|
if (aValue > INT32_MAX) {
|
|
DOM_CAMERA_LOGW("Can't set ISO mode = %lld, too big\n", aValue);
|
|
return NS_ERROR_INVALID_ARG;
|
|
}
|
|
|
|
nsString s;
|
|
s.AppendInt(aValue);
|
|
return SetTranslated(CAMERA_PARAM_ISOMODE, s);
|
|
}
|
|
}
|
|
|
|
// You can't actually pass 64-bit parameters to Gonk. :(
|
|
int32_t v = static_cast<int32_t>(aValue);
|
|
if (static_cast<int64_t>(v) != aValue) {
|
|
return NS_ERROR_INVALID_ARG;;
|
|
}
|
|
return SetImpl(aKey, v);
|
|
}
|
|
|
|
nsresult
|
|
GonkCameraParameters::GetTranslated(uint32_t aKey, int64_t& aValue)
|
|
{
|
|
int val;
|
|
nsresult rv = GetImpl(aKey, val);
|
|
if (NS_FAILED(rv)) {
|
|
return rv;
|
|
}
|
|
aValue = val;
|
|
return NS_OK;
|
|
}
|
|
|
|
// Handle doubles
|
|
nsresult
|
|
GonkCameraParameters::SetTranslated(uint32_t aKey, const double& aValue)
|
|
{
|
|
int index;
|
|
int value;
|
|
|
|
switch (aKey) {
|
|
case CAMERA_PARAM_EXPOSURECOMPENSATION:
|
|
if (mExposureCompensationStep == 0.0) {
|
|
DOM_CAMERA_LOGE("Exposure compensation not supported, can't set EV=%f\n", aValue);
|
|
return NS_ERROR_NOT_AVAILABLE;
|
|
}
|
|
|
|
/**
|
|
* Convert from real value to a Gonk index, round
|
|
* to the nearest step; index is 1-based.
|
|
*/
|
|
{
|
|
double i = round(aValue / mExposureCompensationStep);
|
|
if (i < mExposureCompensationMinIndex) {
|
|
index = mExposureCompensationMinIndex;
|
|
} else if (i > mExposureCompensationMaxIndex) {
|
|
index = mExposureCompensationMaxIndex;
|
|
} else {
|
|
index = i;
|
|
}
|
|
}
|
|
DOM_CAMERA_LOGI("Exposure compensation = %f --> index = %d\n", aValue, index);
|
|
return SetImpl(CAMERA_PARAM_EXPOSURECOMPENSATION, index);
|
|
|
|
case CAMERA_PARAM_ZOOM:
|
|
{
|
|
/**
|
|
* Convert from a real zoom multipler (e.g. 2.5x) to
|
|
* the index of the nearest supported value.
|
|
*/
|
|
value = aValue * 100.0;
|
|
|
|
if (value <= mZoomRatios[0]) {
|
|
index = 0;
|
|
} else if (value >= mZoomRatios.LastElement()) {
|
|
index = mZoomRatios.Length() - 1;
|
|
} else {
|
|
// mZoomRatios is sorted, so we can binary search it
|
|
int bottom = 0;
|
|
int top = mZoomRatios.Length() - 1;
|
|
|
|
while (top >= bottom) {
|
|
index = (top + bottom) / 2;
|
|
if (value == mZoomRatios[index]) {
|
|
// exact match
|
|
break;
|
|
}
|
|
if (value > mZoomRatios[index] && value < mZoomRatios[index + 1]) {
|
|
// the specified zoom value lies in this interval
|
|
break;
|
|
}
|
|
if (value > mZoomRatios[index]) {
|
|
bottom = index + 1;
|
|
} else {
|
|
top = index - 1;
|
|
}
|
|
}
|
|
}
|
|
DOM_CAMERA_LOGI("Zoom = %fx --> index = %d\n", aValue, index);
|
|
}
|
|
return SetImpl(CAMERA_PARAM_ZOOM, index);
|
|
|
|
case CAMERA_PARAM_PICTURE_QUALITY:
|
|
{
|
|
// Convert aValue [0.0..1.0] to nearest index in the range [1..100].
|
|
index = (aValue + 0.005) * 99.0 + 1.0;
|
|
if (aValue < 0.0) {
|
|
index = 1;
|
|
} else if (aValue > 1.0) {
|
|
index = 100;
|
|
}
|
|
DOM_CAMERA_LOGI("Picture quality = %f --> index = %d\n", aValue, index);
|
|
}
|
|
return SetImpl(CAMERA_PARAM_PICTURE_QUALITY, index);
|
|
}
|
|
|
|
return SetImpl(aKey, aValue);
|
|
}
|
|
|
|
nsresult
|
|
GonkCameraParameters::GetTranslated(uint32_t aKey, double& aValue)
|
|
{
|
|
double val = 0.0; // initialize to keep the compiler happy [-Wmaybe-uninitialized]
|
|
int index = 0;
|
|
double focusDistance[3];
|
|
const char* s;
|
|
nsresult rv;
|
|
|
|
switch (aKey) {
|
|
case CAMERA_PARAM_ZOOM:
|
|
rv = GetImpl(aKey, index);
|
|
if (NS_SUCCEEDED(rv) && index >= 0) {
|
|
val = mZoomRatios[index] / 100.0;
|
|
} else {
|
|
// return 1x when zooming is not supported
|
|
val = 1.0;
|
|
rv = NS_OK;
|
|
}
|
|
break;
|
|
|
|
/**
|
|
* 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:
|
|
rv = GetImpl(aKey, s);
|
|
if (NS_SUCCEEDED(rv)) {
|
|
if (sscanf(s, "%lf,%lf,%lf", &focusDistance[0], &focusDistance[1], &focusDistance[2]) == 3) {
|
|
val = focusDistance[index];
|
|
} else {
|
|
val = 0.0;
|
|
}
|
|
}
|
|
break;
|
|
|
|
case CAMERA_PARAM_EXPOSURECOMPENSATION:
|
|
case CAMERA_PARAM_SUPPORTED_MINEXPOSURECOMPENSATION:
|
|
case CAMERA_PARAM_SUPPORTED_MAXEXPOSURECOMPENSATION:
|
|
if (mExposureCompensationStep == 0.0) {
|
|
DOM_CAMERA_LOGE("Exposure compensation not supported, can't get EV\n");
|
|
return NS_ERROR_NOT_AVAILABLE;
|
|
}
|
|
rv = GetImpl(aKey, index);
|
|
if (NS_SUCCEEDED(rv)) {
|
|
val = index * mExposureCompensationStep;
|
|
DOM_CAMERA_LOGI("exposure compensation (aKey=%d): index=%d --> EV=%f\n", aKey, index, val);
|
|
}
|
|
break;
|
|
|
|
case CAMERA_PARAM_PICTURE_QUALITY:
|
|
// Convert index [1..100] to a quality value [0.0..1.0].
|
|
rv = GetImpl(aKey, index);
|
|
if (index < 2) {
|
|
val = 0.0;
|
|
} else if (index > 99) {
|
|
val = 1.0;
|
|
} else {
|
|
val = static_cast<double>(index - 1) / 99.0;
|
|
}
|
|
DOM_CAMERA_LOGI("index = %d --> picture quality = %f\n", index, val);
|
|
break;
|
|
|
|
default:
|
|
rv = GetImpl(aKey, val);
|
|
break;
|
|
}
|
|
|
|
if (NS_SUCCEEDED(rv)) {
|
|
aValue = val;
|
|
}
|
|
return rv;
|
|
}
|
|
|
|
// Handle ints
|
|
nsresult
|
|
GonkCameraParameters::SetTranslated(uint32_t aKey, const int& aValue)
|
|
{
|
|
return SetImpl(aKey, aValue);
|
|
}
|
|
|
|
nsresult
|
|
GonkCameraParameters::GetTranslated(uint32_t aKey, int& aValue)
|
|
{
|
|
return GetImpl(aKey, aValue);
|
|
}
|
|
|
|
// Handle uint32_ts -- Gonk only speaks int
|
|
nsresult
|
|
GonkCameraParameters::SetTranslated(uint32_t aKey, const uint32_t& aValue)
|
|
{
|
|
if (aValue > INT_MAX) {
|
|
return NS_ERROR_INVALID_ARG;
|
|
}
|
|
|
|
int val = static_cast<int>(aValue);
|
|
return SetImpl(aKey, val);
|
|
}
|
|
|
|
nsresult
|
|
GonkCameraParameters::GetTranslated(uint32_t aKey, uint32_t& aValue)
|
|
{
|
|
int val;
|
|
nsresult rv = GetImpl(aKey, val);
|
|
if (NS_FAILED(rv)) {
|
|
return rv;
|
|
}
|
|
if (val < 0) {
|
|
return NS_ERROR_NOT_AVAILABLE;
|
|
}
|
|
|
|
aValue = val;
|
|
return NS_OK;
|
|
}
|
|
|
|
// Handle bools
|
|
nsresult
|
|
GonkCameraParameters::SetTranslated(uint32_t aKey, const bool& aValue)
|
|
{
|
|
return SetImpl(aKey, aValue);
|
|
}
|
|
|
|
nsresult
|
|
GonkCameraParameters::GetTranslated(uint32_t aKey, bool& aValue)
|
|
{
|
|
return GetImpl(aKey, aValue);
|
|
}
|
|
|
|
nsresult
|
|
ParseItem(const char* aStart, const char* aEnd, ICameraControl::Size* aItem)
|
|
{
|
|
if (sscanf(aStart, "%ux%u", &aItem->width, &aItem->height) == 2) {
|
|
return NS_OK;
|
|
}
|
|
|
|
DOM_CAMERA_LOGE("Size tuple has bad format: '%s'\n", aStart);
|
|
return NS_ERROR_NOT_AVAILABLE;
|
|
}
|
|
|
|
nsresult
|
|
ParseItem(const char* aStart, const char* aEnd, nsAString* aItem)
|
|
{
|
|
if (aEnd) {
|
|
aItem->AssignASCII(aStart, aEnd - aStart);
|
|
} else {
|
|
aItem->AssignASCII(aStart);
|
|
}
|
|
return NS_OK;
|
|
}
|
|
|
|
nsresult
|
|
ParseItem(const char* aStart, const char* aEnd, nsACString* aItem)
|
|
{
|
|
if (aEnd) {
|
|
aItem->AssignASCII(aStart, aEnd - aStart);
|
|
} else {
|
|
aItem->AssignASCII(aStart);
|
|
}
|
|
return NS_OK;
|
|
}
|
|
|
|
nsresult
|
|
ParseItem(const char* aStart, const char* aEnd, double* aItem)
|
|
{
|
|
if (sscanf(aStart, "%lf", aItem) == 1) {
|
|
return NS_OK;
|
|
}
|
|
|
|
return NS_ERROR_NOT_AVAILABLE;
|
|
}
|
|
|
|
nsresult
|
|
ParseItem(const char* aStart, const char* aEnd, int* aItem)
|
|
{
|
|
if (sscanf(aStart, "%d", aItem) == 1) {
|
|
return NS_OK;
|
|
}
|
|
|
|
return NS_ERROR_NOT_AVAILABLE;
|
|
}
|
|
|
|
template<class T> nsresult
|
|
GonkCameraParameters::GetListAsArray(uint32_t aKey, nsTArray<T>& aArray)
|
|
{
|
|
const char* p;
|
|
nsresult rv = GetImpl(aKey, p);
|
|
if (NS_FAILED(rv)) {
|
|
return rv;
|
|
}
|
|
|
|
aArray.Clear();
|
|
|
|
// If there is no value available, just return the empty array.
|
|
if (!p) {
|
|
DOM_CAMERA_LOGI("Camera parameter %d not available (value is null)\n", aKey);
|
|
return NS_OK;
|
|
}
|
|
if (*p == '\0') {
|
|
DOM_CAMERA_LOGI("Camera parameter %d not available (value is empty string)\n", aKey);
|
|
return NS_OK;
|
|
}
|
|
|
|
const char* comma;
|
|
|
|
while (p) {
|
|
// nsTArray::AppendElement() is infallible
|
|
T* v = aArray.AppendElement();
|
|
comma = strchr(p, ',');
|
|
if (comma != p) {
|
|
rv = ParseItem(p, comma, v);
|
|
if (NS_FAILED(rv)) {
|
|
aArray.Clear();
|
|
return rv;
|
|
}
|
|
p = comma;
|
|
}
|
|
if (p) {
|
|
++p;
|
|
}
|
|
}
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
nsresult
|
|
GonkCameraParameters::GetTranslated(uint32_t aKey, nsTArray<nsString>& aValues)
|
|
{
|
|
switch (aKey) {
|
|
case CAMERA_PARAM_SUPPORTED_ISOMODES:
|
|
aValues = mIsoModes;
|
|
return NS_OK;
|
|
|
|
case CAMERA_PARAM_SUPPORTED_SCENEMODES:
|
|
aValues = mSceneModes;
|
|
return NS_OK;
|
|
|
|
case CAMERA_PARAM_SUPPORTED_METERINGMODES:
|
|
aValues = mMeteringModes;
|
|
return NS_OK;
|
|
|
|
default:
|
|
return GetListAsArray(aKey, aValues);
|
|
}
|
|
}
|
|
|
|
nsresult
|
|
GonkCameraParameters::GetTranslated(uint32_t aKey, nsTArray<double>& aValues)
|
|
{
|
|
if (aKey == CAMERA_PARAM_SUPPORTED_ZOOMRATIOS) {
|
|
aValues.Clear();
|
|
for (uint32_t i = 0; i < mZoomRatios.Length(); ++i) {
|
|
*aValues.AppendElement() = mZoomRatios[i] / 100.0;
|
|
}
|
|
return NS_OK;
|
|
}
|
|
|
|
return GetListAsArray(aKey, aValues);
|
|
}
|
|
|
|
nsresult
|
|
GonkCameraParameters::GetTranslated(uint32_t aKey, nsTArray<ICameraControl::Size>& aSizes)
|
|
{
|
|
return GetListAsArray(aKey, aSizes);
|
|
}
|
|
|