/* * Copyright (C) Texas Instruments - http://www.ti.com/ * * 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. */ /** * @file V4LCapabilities.cpp * * This file implements the V4L Capabilities feature. * */ #include "CameraHal.h" #include "V4LCameraAdapter.h" #include "ErrorUtils.h" #include "TICameraParameters.h" namespace Ti { namespace Camera { /************************************ * global constants and variables *************************************/ #define ARRAY_SIZE(array) (sizeof((array)) / sizeof((array)[0])) #define MAX_RES_STRING_LENGTH 10 #define DEFAULT_WIDTH 640 #define DEFAULT_HEIGHT 480 static const char PARAM_SEP[] = ","; //Camera defaults const char V4LCameraAdapter::DEFAULT_PICTURE_FORMAT[] = "jpeg"; const char V4LCameraAdapter::DEFAULT_PICTURE_SIZE[] = "640x480"; const char V4LCameraAdapter::DEFAULT_PREVIEW_FORMAT[] = "yuv422i-yuyv"; const char V4LCameraAdapter::DEFAULT_PREVIEW_SIZE[] = "640x480"; const char V4LCameraAdapter::DEFAULT_NUM_PREV_BUFS[] = "6"; const char V4LCameraAdapter::DEFAULT_FRAMERATE[] = "30"; const char V4LCameraAdapter::DEFAULT_FOCUS_MODE[] = "infinity"; const char * V4LCameraAdapter::DEFAULT_VSTAB = android::CameraParameters::FALSE; const char * V4LCameraAdapter::DEFAULT_VNF = android::CameraParameters::FALSE; const CapPixelformat V4LCameraAdapter::mPixelformats [] = { { V4L2_PIX_FMT_YUYV, android::CameraParameters::PIXEL_FORMAT_YUV422I }, { V4L2_PIX_FMT_JPEG, android::CameraParameters::PIXEL_FORMAT_JPEG }, }; /***************************************** * internal static function declarations *****************************************/ /**** Utility functions to help translate V4L Caps to Parameter ****/ status_t V4LCameraAdapter::insertDefaults(CameraProperties::Properties* params, V4L_TI_CAPTYPE &caps) { status_t ret = NO_ERROR; LOG_FUNCTION_NAME; params->set(CameraProperties::PREVIEW_FORMAT, DEFAULT_PREVIEW_FORMAT); params->set(CameraProperties::PICTURE_FORMAT, DEFAULT_PICTURE_FORMAT); params->set(CameraProperties::PICTURE_SIZE, DEFAULT_PICTURE_SIZE); params->set(CameraProperties::PREVIEW_SIZE, DEFAULT_PREVIEW_SIZE); params->set(CameraProperties::PREVIEW_FRAME_RATE, DEFAULT_FRAMERATE); params->set(CameraProperties::REQUIRED_PREVIEW_BUFS, DEFAULT_NUM_PREV_BUFS); params->set(CameraProperties::FOCUS_MODE, DEFAULT_FOCUS_MODE); params->set(CameraProperties::CAMERA_NAME, "USBCAMERA"); params->set(CameraProperties::JPEG_THUMBNAIL_SIZE, "320x240"); params->set(CameraProperties::JPEG_QUALITY, "90"); params->set(CameraProperties::JPEG_THUMBNAIL_QUALITY, "50"); params->set(CameraProperties::FRAMERATE_RANGE_SUPPORTED, "(30000,30000)"); params->set(CameraProperties::FRAMERATE_RANGE, "30000,30000"); params->set(CameraProperties::S3D_PRV_FRAME_LAYOUT, "none"); params->set(CameraProperties::SUPPORTED_EXPOSURE_MODES, "auto"); params->set(CameraProperties::SUPPORTED_ISO_VALUES, "auto"); params->set(CameraProperties::SUPPORTED_ANTIBANDING, "auto"); params->set(CameraProperties::SUPPORTED_EFFECTS, "none"); params->set(CameraProperties::SUPPORTED_IPP_MODES, "ldc-nsf"); params->set(CameraProperties::FACING_INDEX, TICameraParameters::FACING_FRONT); params->set(CameraProperties::ORIENTATION_INDEX, 0); params->set(CameraProperties::SENSOR_ORIENTATION, "0"); params->set(CameraProperties::VSTAB, DEFAULT_VSTAB); params->set(CameraProperties::VNF, DEFAULT_VNF); LOG_FUNCTION_NAME_EXIT; return ret; } status_t V4LCameraAdapter::insertPreviewFormats(CameraProperties::Properties* params, V4L_TI_CAPTYPE &caps) { char supported[MAX_PROP_VALUE_LENGTH]; memset(supported, '\0', MAX_PROP_VALUE_LENGTH); for (int i = 0; i < caps.ulPreviewFormatCount; i++) { for (unsigned int j = 0; j < ARRAY_SIZE(mPixelformats); j++) { if(caps.ePreviewFormats[i] == mPixelformats[j].pixelformat ) { strncat (supported, mPixelformats[j].param, MAX_PROP_VALUE_LENGTH-1 ); strncat (supported, PARAM_SEP, 1 ); } } } strncat(supported, android::CameraParameters::PIXEL_FORMAT_YUV420P, MAX_PROP_VALUE_LENGTH - 1); params->set(CameraProperties::SUPPORTED_PREVIEW_FORMATS, supported); return NO_ERROR; } status_t V4LCameraAdapter::insertPreviewSizes(CameraProperties::Properties* params, V4L_TI_CAPTYPE &caps) { char supported[MAX_PROP_VALUE_LENGTH]; memset(supported, '\0', MAX_PROP_VALUE_LENGTH); for (int i = 0; i < caps.ulPreviewResCount; i++) { if (supported[0] != '\0') { strncat(supported, PARAM_SEP, 1); } strncat (supported, caps.tPreviewRes[i].param, MAX_PROP_VALUE_LENGTH-1 ); } params->set(CameraProperties::SUPPORTED_PREVIEW_SIZES, supported); params->set(CameraProperties::SUPPORTED_PREVIEW_SUBSAMPLED_SIZES, supported); return NO_ERROR; } status_t V4LCameraAdapter::insertImageSizes(CameraProperties::Properties* params, V4L_TI_CAPTYPE &caps) { char supported[MAX_PROP_VALUE_LENGTH]; memset(supported, '\0', MAX_PROP_VALUE_LENGTH); for (int i = 0; i < caps.ulCaptureResCount; i++) { if (supported[0] != '\0') { strncat(supported, PARAM_SEP, 1); } strncat (supported, caps.tCaptureRes[i].param, MAX_PROP_VALUE_LENGTH-1 ); } params->set(CameraProperties::SUPPORTED_PICTURE_SIZES, supported); return NO_ERROR; } status_t V4LCameraAdapter::insertFrameRates(CameraProperties::Properties* params, V4L_TI_CAPTYPE &caps) { char supported[MAX_PROP_VALUE_LENGTH]; char temp[10]; memset(supported, '\0', MAX_PROP_VALUE_LENGTH); for (int i = 0; i < caps.ulFrameRateCount; i++) { snprintf (temp, 10, "%d", caps.ulFrameRates[i] ); if (supported[0] != '\0') { strncat(supported, PARAM_SEP, 1); } strncat (supported, temp, MAX_PROP_VALUE_LENGTH-1 ); } params->set(CameraProperties::SUPPORTED_PREVIEW_FRAME_RATES, supported); return NO_ERROR; } status_t V4LCameraAdapter::insertCapabilities(CameraProperties::Properties* params, V4L_TI_CAPTYPE &caps) { status_t ret = NO_ERROR; LOG_FUNCTION_NAME; if ( NO_ERROR == ret ) { ret = insertPreviewFormats(params, caps); } if ( NO_ERROR == ret ) { ret = insertImageSizes(params, caps); } if ( NO_ERROR == ret ) { ret = insertPreviewSizes(params, caps); } if ( NO_ERROR == ret ) { ret = insertFrameRates(params, caps); } //Insert Supported Focus modes. params->set(CameraProperties::SUPPORTED_FOCUS_MODES, "infinity"); params->set(CameraProperties::SUPPORTED_PICTURE_FORMATS, "jpeg"); if ( NO_ERROR == ret ) { ret = insertDefaults(params, caps); } LOG_FUNCTION_NAME_EXIT; return ret; } status_t V4LCameraAdapter::sortAscend(V4L_TI_CAPTYPE &caps, uint16_t count) { size_t tempRes; size_t w, h, tmpW,tmpH; for (int i=0; i (tmpW * tmpH) ) { caps.tPreviewRes[j].width = w; caps.tPreviewRes[j].height = h; w = tmpW; h = tmpH; } } caps.tPreviewRes[i].width = w; caps.tPreviewRes[i].height = h; } return NO_ERROR; } /***************************************** * public exposed function declarations *****************************************/ status_t V4LCameraAdapter::getCaps(const int sensorId, CameraProperties::Properties* params, V4L_HANDLETYPE handle) { status_t status = NO_ERROR; V4L_TI_CAPTYPE caps; int i = 0; int j = 0; struct v4l2_fmtdesc fmtDesc; struct v4l2_frmsizeenum frmSizeEnum; struct v4l2_frmivalenum frmIvalEnum; //get supported pixel formats for ( i = 0; status == NO_ERROR; i++) { fmtDesc.index = i; fmtDesc.type = V4L2_BUF_TYPE_VIDEO_CAPTURE; status = ioctl (handle, VIDIOC_ENUM_FMT, &fmtDesc); if (status == NO_ERROR) { CAMHAL_LOGDB("fmtDesc[%d].description::pixelformat::flags== (%s::%d::%d)",i, fmtDesc.description,fmtDesc.pixelformat,fmtDesc.flags); caps.ePreviewFormats[i] = fmtDesc.pixelformat; } } caps.ulPreviewFormatCount = i; //get preview sizes & capture image sizes status = NO_ERROR; for ( i = 0; status == NO_ERROR; i++) { frmSizeEnum.index = i; //Check for frame sizes for default pixel format //TODO: Check for frame sizes for all supported pixel formats frmSizeEnum.pixel_format = V4L2_PIX_FMT_YUYV; status = ioctl (handle, VIDIOC_ENUM_FRAMESIZES, &frmSizeEnum); if (status == NO_ERROR) { int width; int height; if(frmSizeEnum.type != V4L2_FRMSIZE_TYPE_DISCRETE) { CAMHAL_LOGDB("\nfrmSizeEnum.type = %d", frmSizeEnum.type); CAMHAL_LOGDB("\nmin_width x height = %d x %d ",frmSizeEnum.stepwise.min_width, frmSizeEnum.stepwise.min_height); CAMHAL_LOGDB("\nmax_width x height = %d x %d ",frmSizeEnum.stepwise.max_width, frmSizeEnum.stepwise.max_height); CAMHAL_LOGDB("\nstep width x height = %d x %d ",frmSizeEnum.stepwise.step_width,frmSizeEnum.stepwise.step_height); //TODO: validate populating the sizes when type = V4L2_FRMSIZE_TYPE_STEPWISE width = frmSizeEnum.stepwise.max_width; height = frmSizeEnum.stepwise.max_height; } else { CAMHAL_LOGDB("frmSizeEnum.index[%d].width x height == (%d x %d)", i, frmSizeEnum.discrete.width, frmSizeEnum.discrete.height); width = frmSizeEnum.discrete.width; height = frmSizeEnum.discrete.height; } caps.tCaptureRes[i].width = width; caps.tCaptureRes[i].height = height; caps.tPreviewRes[i].width = width; caps.tPreviewRes[i].height = height; snprintf(caps.tPreviewRes[i].param, MAX_RES_STRING_LENGTH,"%dx%d",caps.tPreviewRes[i].width,caps.tPreviewRes[i].height); snprintf(caps.tCaptureRes[i].param, MAX_RES_STRING_LENGTH,"%dx%d",caps.tCaptureRes[i].width,caps.tCaptureRes[i].height); } else { caps.ulCaptureResCount = i; caps.ulPreviewResCount = i; } } //sort the preview sizes in ascending order sortAscend(caps, caps.ulPreviewResCount); //get supported frame rates bool fps30 = false; for ( j=caps.ulPreviewResCount-1; j >= 0; j--) { CAMHAL_LOGDB(" W x H = %d x %d", caps.tPreviewRes[j].width, caps.tPreviewRes[j].height); status = NO_ERROR; for ( i = 0; status == NO_ERROR; i++) { frmIvalEnum.index = i; //Check for supported frame rates for the default pixel format. frmIvalEnum.pixel_format = V4L2_PIX_FMT_YUYV; frmIvalEnum.width = caps.tPreviewRes[j].width; frmIvalEnum.height = caps.tPreviewRes[j].height; status = ioctl (handle, VIDIOC_ENUM_FRAMEINTERVALS, &frmIvalEnum); if (status == NO_ERROR) { if(frmIvalEnum.type != V4L2_FRMIVAL_TYPE_DISCRETE) { CAMHAL_LOGDB("frmIvalEnum[%d].type = %d)", i, frmIvalEnum.type); CAMHAL_LOGDB("frmIvalEnum[%d].stepwise.min = %d/%d)", i, frmIvalEnum.stepwise.min.denominator, frmIvalEnum.stepwise.min.numerator); CAMHAL_LOGDB("frmIvalEnum[%d].stepwise.max = %d/%d)", i, frmIvalEnum.stepwise.max.denominator, frmIvalEnum.stepwise.max.numerator); CAMHAL_LOGDB("frmIvalEnum[%d].stepwise.step = %d/%d)", i, frmIvalEnum.stepwise.step.denominator, frmIvalEnum.stepwise.step.numerator); caps.ulFrameRates[i] = (frmIvalEnum.stepwise.max.denominator/frmIvalEnum.stepwise.max.numerator); } else { CAMHAL_LOGDB("frmIvalEnum[%d].frame rate= %d)",i, (frmIvalEnum.discrete.denominator/frmIvalEnum.discrete.numerator)); caps.ulFrameRates[i] = (frmIvalEnum.discrete.denominator/frmIvalEnum.discrete.numerator); } if (caps.ulFrameRates[i] == 30) { fps30 = true; } } else if (i == 0) { // Framerate reporting is not guaranteed in V4L2 implementation. caps.ulFrameRates[i] = 30; fps30 = true; caps.ulFrameRateCount = 1; } else { CAMHAL_LOGE("caps.ulFrameRateCount = %d",i); caps.ulFrameRateCount = i; } } if(fps30) { break; } } if(frmIvalEnum.type != V4L2_FRMIVAL_TYPE_DISCRETE) { //TODO: populate the frame rates when type = V4L2_FRMIVAL_TYPE_STEPWISE; } //update the preview resolution with the highest resolution which supports 30fps. /* // for video preview the application choose the resolution from the mediaprofiles.xml. // so populating all supported preview resolution is required for video mode. caps.tPreviewRes[0].width = caps.tPreviewRes[j].width; caps.tPreviewRes[0].height = caps.tPreviewRes[j].height; snprintf(caps.tPreviewRes[0].param, MAX_RES_STRING_LENGTH,"%dx%d",caps.tPreviewRes[j].width,caps.tPreviewRes[j].height); caps.ulPreviewResCount = 1; */ insertCapabilities (params, caps); return NO_ERROR; } } // namespace Camera } // namespace Ti