/*
* Check the requested frame rate has been successfully configured or not.
* If the target frameRate is -1, check on the current frame rate value
* setting is performed.
*
* @param params CameraParameters to retrieve the information
* @param the target video frame rate to check against
* @return OK if no error.
*/
status_t CameraSource::checkFrameRate(
const CameraParameters& params,
int32_t frameRate) {
ALOGV("checkFrameRate");
int32_t frameRateActual = params.getPreviewFrameRate();
if (frameRateActual < 0) {
ALOGE("Failed to retrieve preview frame rate (%d)", frameRateActual);
return UNKNOWN_ERROR;
}
// Check the actual video frame rate against the target/requested
// video frame rate.
#ifndef HTC_3D_SUPPORT // HTC uses invalid frame rates intentionally on the 3D camera
if (frameRate != -1 && (frameRateActual - frameRate) != 0) {
ALOGE("Failed to set preview frame rate to %d fps. The actual "
"frame rate is %d", frameRate, frameRateActual);
return UNKNOWN_ERROR;
}
#endif
// Good now.
mVideoFrameRate = frameRateActual;
return OK;
}
status_t CameraHardware::setParameters(const CameraParameters& params)
{
Mutex::Autolock lock(mLock);
int width = 0;
int height = 0;
int framerate = 0;
params.getPreviewSize(&width,&height);
LOGD("Set Parameter...!! ");
LOGD("PreviewFormat %s", params.getPreviewFormat());
if ( params.getPreviewFormat() != NULL ) {
if (strcmp(params.getPreviewFormat(), (const char *) CameraParameters::PIXEL_FORMAT_YUV422SP) != 0) {
LOGE("Only yuv422sp preview is supported");
return -EINVAL;
}
}
LOGD("PictureFormat %s", params.getPictureFormat());
if ( params.getPictureFormat() != NULL ) {
if (strcmp(params.getPictureFormat(), (const char *) CameraParameters::PIXEL_FORMAT_JPEG) != 0) {
LOGE("Only jpeg still pictures are supported");
return -EINVAL;
}
}
/* validate preview size */
params.getPreviewSize(&width, &height);
LOGD("preview width:%d,height:%d",width,height);
if ( validateSize(width, height, supportedPreviewRes, ARRAY_SIZE(supportedPreviewRes)) == false ) {
LOGE("Preview size not supported");
return -EINVAL;
}
/* validate picture size */
params.getPictureSize(&width, &height);
LOGD("picture width:%d,height:%d",width,height);
if (validateSize(width, height, supportedPictureRes, ARRAY_SIZE(supportedPictureRes)) == false ) {
LOGE("Picture size not supported");
return -EINVAL;
}
framerate = params.getPreviewFrameRate();
LOGD("FRAMERATE %d", framerate);
mParameters = params;
mParameters.getPictureSize(&width, &height);
LOGD("Picture Size by CamHAL %d x %d", width, height);
mParameters.getPreviewSize(&width, &height);
LOGD("Preview Resolution by CamHAL %d x %d", width, height);
return NO_ERROR;
}
/*
* Check the requested frame rate has been successfully configured or not.
* If the target frameRate is -1, check on the current frame rate value
* setting is performed.
*
* @param params CameraParameters to retrieve the information
* @param the target video frame rate to check against
* @return OK if no error.
*/
status_t CameraSource::checkFrameRate(
const CameraParameters& params,
int32_t frameRate) {
ALOGV("checkFrameRate");
int32_t frameRateActual = params.getPreviewFrameRate();
if (frameRateActual < 0) {
ALOGE("Failed to retrieve preview frame rate (%d)", frameRateActual);
return UNKNOWN_ERROR;
}
// Check the actual video frame rate against the target/requested
// video frame rate.
if (frameRate != -1 && (frameRateActual - frameRate) != 0) {
ALOGE("Failed to set preview frame rate to %d fps. The actual "
"frame rate is %d", frameRate, frameRateActual);
return UNKNOWN_ERROR;
}
// Good now.
mVideoFrameRate = frameRateActual;
return OK;
}
double CameraHandler::getProperty(int propIdx)
{
LOGD("CameraHandler::getProperty(%d)", propIdx);
switch (propIdx)
{
case ANDROID_CAMERA_PROPERTY_FRAMEWIDTH:
{
int w,h;
params.getPreviewSize(&w, &h);
return w;
}
case ANDROID_CAMERA_PROPERTY_FRAMEHEIGHT:
{
int w,h;
params.getPreviewSize(&w, &h);
return h;
}
case ANDROID_CAMERA_PROPERTY_SUPPORTED_PREVIEW_SIZES_STRING:
{
cameraPropertySupportedPreviewSizesString = params.get(CameraParameters::KEY_SUPPORTED_PREVIEW_SIZES);
union {const char* str;double res;} u;
memset(&u.res, 0, sizeof(u.res));
u.str = cameraPropertySupportedPreviewSizesString.c_str();
return u.res;
}
case ANDROID_CAMERA_PROPERTY_PREVIEW_FORMAT_STRING:
{
const char* fmt = params.get(CameraParameters::KEY_PREVIEW_FORMAT);
if (fmt == CameraParameters::PIXEL_FORMAT_YUV422SP)
fmt = "yuv422sp";
else if (fmt == CameraParameters::PIXEL_FORMAT_YUV420SP)
fmt = "yuv420sp";
else if (fmt == CameraParameters::PIXEL_FORMAT_YUV422I)
fmt = "yuv422i";
else if (fmt == CameraParameters::PIXEL_FORMAT_RGB565)
fmt = "rgb565";
else if (fmt == CameraParameters::PIXEL_FORMAT_JPEG)
fmt = "jpeg";
cameraPropertyPreviewFormatString = fmt;
union {const char* str;double res;} u;
memset(&u.res, 0, sizeof(u.res));
u.str = cameraPropertyPreviewFormatString.c_str();
return u.res;
}
case ANDROID_CAMERA_PROPERTY_EXPOSURE:
{
int exposure = params.getInt(CameraParameters::KEY_EXPOSURE_COMPENSATION);
return exposure;
}
case ANDROID_CAMERA_PROPERTY_FPS:
{
return params.getPreviewFrameRate();
}
case ANDROID_CAMERA_PROPERTY_FLASH_MODE:
{
int flash_mode = getModeNum(CameraHandler::flashModesNames,
ANDROID_CAMERA_FLASH_MODES_NUM,
params.get(CameraParameters::KEY_FLASH_MODE));
return flash_mode;
}
case ANDROID_CAMERA_PROPERTY_FOCUS_MODE:
{
int focus_mode = getModeNum(CameraHandler::focusModesNames,
ANDROID_CAMERA_FOCUS_MODES_NUM,
params.get(CameraParameters::KEY_FOCUS_MODE));
return focus_mode;
}
case ANDROID_CAMERA_PROPERTY_WHITE_BALANCE:
{
int white_balance = getModeNum(CameraHandler::whiteBalanceModesNames,
ANDROID_CAMERA_WHITE_BALANCE_MODES_NUM,
params.get(CameraParameters::KEY_WHITE_BALANCE));
return white_balance;
}
case ANDROID_CAMERA_PROPERTY_ANTIBANDING:
{
int antibanding = getModeNum(CameraHandler::antibandingModesNames,
ANDROID_CAMERA_ANTIBANDING_MODES_NUM,
params.get(CameraParameters::KEY_ANTIBANDING));
return antibanding;
}
case ANDROID_CAMERA_PROPERTY_FOCAL_LENGTH:
{
float focal_length = params.getFloat(CameraParameters::KEY_FOCAL_LENGTH);
return focal_length;
}
case ANDROID_CAMERA_PROPERTY_FOCUS_DISTANCE_NEAR:
{
return getFocusDistance(ANDROID_CAMERA_FOCUS_DISTANCE_NEAR_INDEX);
}
case ANDROID_CAMERA_PROPERTY_FOCUS_DISTANCE_OPTIMAL:
{
return getFocusDistance(ANDROID_CAMERA_FOCUS_DISTANCE_OPTIMAL_INDEX);
}
case ANDROID_CAMERA_PROPERTY_FOCUS_DISTANCE_FAR:
{
return getFocusDistance(ANDROID_CAMERA_FOCUS_DISTANCE_FAR_INDEX);
}
default:
LOGW("CameraHandler::getProperty - Unsupported property.");
};
return -1;
}
NS_IMETHODIMP
GonkCameraInputStream::Init(nsACString& aContentType, nsCaptureParams* aParams)
{
if (XRE_GetProcessType() != GeckoProcessType_Default)
return NS_ERROR_NOT_IMPLEMENTED;
mContentType = aContentType;
mWidth = aParams->width;
mHeight = aParams->height;
mCamera = aParams->camera;
PRUint32 maxNumCameras = getNumberOfCameras();
if (maxNumCameras == 0)
return NS_ERROR_FAILURE;
if (mCamera >= maxNumCameras)
mCamera = 0;
mHardware = CameraHardwareInterface::openCamera(mCamera);
if (!mHardware)
return NS_ERROR_FAILURE;
mHardware->setCallbacks(NULL, GonkCameraInputStream::DataCallback, NULL, this);
mHardware->enableMsgType(CAMERA_MSG_PREVIEW_FRAME);
CameraParameters params = mHardware->getParameters();
printf_stderr("Preview format : %s\n", params.get(params.KEY_SUPPORTED_PREVIEW_FORMATS));
Vector<Size> previewSizes;
params.getSupportedPreviewSizes(previewSizes);
// find the available preview size closest to the requested size.
PRUint32 minSizeDelta = PR_UINT32_MAX;
PRUint32 bestWidth = mWidth;
PRUint32 bestHeight = mHeight;
for (PRUint32 i = 0; i < previewSizes.size(); i++) {
Size size = previewSizes[i];
PRUint32 delta = abs(size.width * size.height - mWidth * mHeight);
if (delta < minSizeDelta) {
minSizeDelta = delta;
bestWidth = size.width;
bestHeight = size.height;
}
}
mWidth = bestWidth;
mHeight = bestHeight;
params.setPreviewSize(mWidth, mHeight);
// try to set preferred image format
params.setPreviewFormat("yuv420p");
params.setPreviewFrameRate(mFps);
mHardware->setParameters(params);
params = mHardware->getParameters();
mFps = params.getPreviewFrameRate();
mIs420p = !strcmp(params.getPreviewFormat(), "yuv420p");
mHardware->startPreview();
mClosed = false;
return NS_OK;
}
status_t TVINDevice::setParameters(CameraParameters& params)
{
int w, h;
int framerate, local_framerate;
int max_zoom, zoom, max_fps, min_fps;
char tmp[128];
Mutex::Autolock lock(mLock);
max_zoom = params.getInt(CameraParameters::KEY_MAX_ZOOM);
zoom = params.getInt(CameraParameters::KEY_ZOOM);
if (zoom > max_zoom) {
FLOGE("Invalid zoom setting, zoom %d, max zoom %d", zoom, max_zoom);
return BAD_VALUE;
}
if (!((strcmp(params.getPreviewFormat(), "yuv420sp") == 0) ||
(strcmp(params.getPreviewFormat(), "yuv420p") == 0) ||
(strcmp(params.getPreviewFormat(), "yuv422i-yuyv") == 0))) {
FLOGE("Only yuv420sp or yuv420pis supported, but input format is %s",
params.getPreviewFormat());
return BAD_VALUE;
}
if (strcmp(params.getPictureFormat(), "jpeg") != 0) {
FLOGE("Only jpeg still pictures are supported");
return BAD_VALUE;
}
params.getPreviewSize(&w, &h);
sprintf(tmp, "%dx%d", w, h);
FLOGI("Set preview size: %s", tmp);
if (strstr(mSupportedPreviewSizes, tmp) == NULL) {
FLOGE("The preview size w %d, h %d is not corrected", w, h);
return BAD_VALUE;
}
params.getPictureSize(&w, &h);
sprintf(tmp, "%dx%d", w, h);
FLOGI("Set picture size: %s", tmp);
if (strstr(mSupportedPictureSizes, tmp) == NULL) {
FLOGE("The picture size w %d, h %d is not corrected", w, h);
return BAD_VALUE;
}
local_framerate = mParams.getPreviewFrameRate();
FLOGI("get local frame rate:%d FPS", local_framerate);
if ((local_framerate > 30) || (local_framerate < 0)) {
FLOGE("The framerate is not corrected");
local_framerate = 15;
}
framerate = params.getPreviewFrameRate();
FLOGI("Set frame rate:%d FPS", framerate);
if ((framerate > 30) || (framerate < 0)) {
FLOGE("The framerate is not corrected");
return BAD_VALUE;
}
else if (local_framerate != framerate) {
if (framerate == 15) {
params.set(CameraParameters::KEY_PREVIEW_FPS_RANGE, "12000,17000");
}
else if (framerate == 30) {
params.set(CameraParameters::KEY_PREVIEW_FPS_RANGE, "25000,33000");
}
}
int actual_fps = 15;
params.getPreviewFpsRange(&min_fps, &max_fps);
FLOGI("FPS range: %d - %d", min_fps, max_fps);
if ((max_fps < 1000) || (min_fps < 1000) || (max_fps > 33000) ||
(min_fps > 33000)) {
FLOGE("The fps range from %d to %d is error", min_fps, max_fps);
return BAD_VALUE;
}
actual_fps = min_fps > 15000 ? 30 : 15;
FLOGI("setParameters: actual_fps=%d", actual_fps);
params.setPreviewFrameRate(actual_fps);
mParams = params;
return NO_ERROR;
}
