/* * Copyright (C) 2015 The Android Open Source Project * * 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. */ //#define LOG_NDEBUG 0 #define LOG_TAG "UsbCameraDevice" #include #include #define ATRACE_TAG (ATRACE_TAG_CAMERA | ATRACE_TAG_HAL) #include #include #include "Camera.h" #include "UsbCamera.h" #define ARRAY_SIZE(a) (sizeof(a) / sizeof((a)[0])) namespace usb_camera_hal { UsbCamera::UsbCamera(int id) : Camera(id) { } UsbCamera::~UsbCamera() { } int UsbCamera::initStaticInfo() { /* * Setup static camera info. This will have to customized per camera * device. * TODO: this is just some sample code, need tailor for USB cameras. */ if (mStaticInfo != NULL) { free_camera_metadata(mStaticInfo); } Metadata m; /* android.control */ int32_t android_control_ae_available_target_fps_ranges[] = {30, 30}; m.addInt32(ANDROID_CONTROL_AE_AVAILABLE_TARGET_FPS_RANGES, ARRAY_SIZE(android_control_ae_available_target_fps_ranges), android_control_ae_available_target_fps_ranges); int32_t android_control_ae_compensation_range[] = {-4, 4}; m.addInt32(ANDROID_CONTROL_AE_COMPENSATION_RANGE, ARRAY_SIZE(android_control_ae_compensation_range), android_control_ae_compensation_range); camera_metadata_rational_t android_control_ae_compensation_step[] = {{2,1}}; m.addRational(ANDROID_CONTROL_AE_COMPENSATION_STEP, ARRAY_SIZE(android_control_ae_compensation_step), android_control_ae_compensation_step); int32_t android_control_max_regions[] = {/*AE*/ 1,/*AWB*/ 1,/*AF*/ 1}; m.addInt32(ANDROID_CONTROL_MAX_REGIONS, ARRAY_SIZE(android_control_max_regions), android_control_max_regions); /* android.jpeg */ int32_t android_jpeg_available_thumbnail_sizes[] = {0, 0, 128, 96}; m.addInt32(ANDROID_JPEG_AVAILABLE_THUMBNAIL_SIZES, ARRAY_SIZE(android_jpeg_available_thumbnail_sizes), android_jpeg_available_thumbnail_sizes); int32_t android_jpeg_max_size[] = {13 * 1024 * 1024}; // 13MB m.addInt32(ANDROID_JPEG_MAX_SIZE, ARRAY_SIZE(android_jpeg_max_size), android_jpeg_max_size); /* android.lens */ float android_lens_info_available_focal_lengths[] = {1.0}; m.addFloat(ANDROID_LENS_INFO_AVAILABLE_FOCAL_LENGTHS, ARRAY_SIZE(android_lens_info_available_focal_lengths), android_lens_info_available_focal_lengths); /* android.request */ int32_t android_request_max_num_output_streams[] = {0, 3, 1}; m.addInt32(ANDROID_REQUEST_MAX_NUM_OUTPUT_STREAMS, ARRAY_SIZE(android_request_max_num_output_streams), android_request_max_num_output_streams); /* android.scaler */ int32_t android_scaler_available_formats[] = { HAL_PIXEL_FORMAT_RAW16, HAL_PIXEL_FORMAT_BLOB, HAL_PIXEL_FORMAT_RGBA_8888, HAL_PIXEL_FORMAT_IMPLEMENTATION_DEFINED, // These are handled by YCbCr_420_888 // HAL_PIXEL_FORMAT_YV12, // HAL_PIXEL_FORMAT_YCrCb_420_SP, HAL_PIXEL_FORMAT_YCbCr_420_888}; m.addInt32(ANDROID_SCALER_AVAILABLE_FORMATS, ARRAY_SIZE(android_scaler_available_formats), android_scaler_available_formats); int64_t android_scaler_available_jpeg_min_durations[] = {1}; m.addInt64(ANDROID_SCALER_AVAILABLE_JPEG_MIN_DURATIONS, ARRAY_SIZE(android_scaler_available_jpeg_min_durations), android_scaler_available_jpeg_min_durations); int32_t android_scaler_available_jpeg_sizes[] = {640, 480}; m.addInt32(ANDROID_SCALER_AVAILABLE_JPEG_SIZES, ARRAY_SIZE(android_scaler_available_jpeg_sizes), android_scaler_available_jpeg_sizes); float android_scaler_available_max_digital_zoom[] = {1}; m.addFloat(ANDROID_SCALER_AVAILABLE_MAX_DIGITAL_ZOOM, ARRAY_SIZE(android_scaler_available_max_digital_zoom), android_scaler_available_max_digital_zoom); int64_t android_scaler_available_processed_min_durations[] = {1}; m.addInt64(ANDROID_SCALER_AVAILABLE_PROCESSED_MIN_DURATIONS, ARRAY_SIZE(android_scaler_available_processed_min_durations), android_scaler_available_processed_min_durations); int32_t android_scaler_available_processed_sizes[] = {640, 480}; m.addInt32(ANDROID_SCALER_AVAILABLE_PROCESSED_SIZES, ARRAY_SIZE(android_scaler_available_processed_sizes), android_scaler_available_processed_sizes); int64_t android_scaler_available_raw_min_durations[] = {1}; m.addInt64(ANDROID_SCALER_AVAILABLE_RAW_MIN_DURATIONS, ARRAY_SIZE(android_scaler_available_raw_min_durations), android_scaler_available_raw_min_durations); int32_t android_scaler_available_raw_sizes[] = {640, 480}; m.addInt32(ANDROID_SCALER_AVAILABLE_RAW_SIZES, ARRAY_SIZE(android_scaler_available_raw_sizes), android_scaler_available_raw_sizes); /* android.sensor */ int32_t android_sensor_info_active_array_size[] = {0, 0, 640, 480}; m.addInt32(ANDROID_SENSOR_INFO_ACTIVE_ARRAY_SIZE, ARRAY_SIZE(android_sensor_info_active_array_size), android_sensor_info_active_array_size); int32_t android_sensor_info_sensitivity_range[] = {100, 1600}; m.addInt32(ANDROID_SENSOR_INFO_SENSITIVITY_RANGE, ARRAY_SIZE(android_sensor_info_sensitivity_range), android_sensor_info_sensitivity_range); int64_t android_sensor_info_max_frame_duration[] = {30000000000}; m.addInt64(ANDROID_SENSOR_INFO_MAX_FRAME_DURATION, ARRAY_SIZE(android_sensor_info_max_frame_duration), android_sensor_info_max_frame_duration); float android_sensor_info_physical_size[] = {3.2, 2.4}; m.addFloat(ANDROID_SENSOR_INFO_PHYSICAL_SIZE, ARRAY_SIZE(android_sensor_info_physical_size), android_sensor_info_physical_size); int32_t android_sensor_info_pixel_array_size[] = {640, 480}; m.addInt32(ANDROID_SENSOR_INFO_PIXEL_ARRAY_SIZE, ARRAY_SIZE(android_sensor_info_pixel_array_size), android_sensor_info_pixel_array_size); int32_t android_sensor_orientation[] = {0}; m.addInt32(ANDROID_SENSOR_ORIENTATION, ARRAY_SIZE(android_sensor_orientation), android_sensor_orientation); /* End of static camera characteristics */ mStaticInfo = clone_camera_metadata(m.get()); return 0; } int UsbCamera::openDevice() { // TODO: implement usb camera device open sequence: open device nodes etc. return 0; } int UsbCamera::closeDevice() { // TODO: implement usb camera device close sequence: close device nodes etc. return 0; } int UsbCamera::processCaptureBuffer(const camera3_stream_buffer_t *in, camera3_stream_buffer_t *out) { if (in->acquire_fence != -1) { int res = sync_wait(in->acquire_fence, CAMERA_SYNC_TIMEOUT_MS); if (res == -ETIME) { ALOGE("%s:%d: Timeout waiting on buffer acquire fence", __func__, mId); return res; } else if (res) { ALOGE("%s:%d: Error waiting on buffer acquire fence: %s(%d)", __func__, mId, strerror(-res), res); return res; } } out->stream = in->stream; out->buffer = in->buffer; out->status = CAMERA3_BUFFER_STATUS_OK; // TODO: use driver-backed release fences out->acquire_fence = -1; out->release_fence = -1; // TODO: lock and software-paint buffer return 0; } int UsbCamera::initDevice() { int res; Metadata base; // Create standard settings templates from copies of base metadata res = base.add1UInt8(ANDROID_CONTROL_MODE, ANDROID_CONTROL_MODE_OFF); if (res) return res; // Use base settings to create all other templates and set them. This is just some samples, // More initialization may be needed. res = initPreviewTemplate(base); if (res) return res; res = initStillTemplate(base); if (res) return res; res = initRecordTemplate(base); if (res) return res; res = initSnapshotTemplate(base); if (res) return res; res = initZslTemplate(base); if (res) return res; res = initManualTemplate(base); if (res) return res; return 0; } int UsbCamera::initPreviewTemplate(Metadata m) { // Setup default preview controls int res = m.add1UInt8(ANDROID_CONTROL_CAPTURE_INTENT, ANDROID_CONTROL_CAPTURE_INTENT_PREVIEW); if (res) return res; // TODO: set fast auto-focus, auto-whitebalance, auto-exposure, auto flash return setTemplate(CAMERA3_TEMPLATE_PREVIEW, m.get()); } int UsbCamera::initStillTemplate(Metadata m) { int res = m.add1UInt8(ANDROID_CONTROL_CAPTURE_INTENT, ANDROID_CONTROL_CAPTURE_INTENT_STILL_CAPTURE); // Setup default still capture controls if (res) return res; // TODO: set fast auto-focus, auto-whitebalance, auto-exposure, auto flash return setTemplate(CAMERA3_TEMPLATE_STILL_CAPTURE, m.get()); } int UsbCamera::initRecordTemplate(Metadata m) { int res = m.add1UInt8(ANDROID_CONTROL_CAPTURE_INTENT, ANDROID_CONTROL_CAPTURE_INTENT_VIDEO_RECORD); // Setup default video record controls if (res) return res; // TODO: set slow auto-focus, auto-whitebalance, auto-exposure, flash off return setTemplate(CAMERA3_TEMPLATE_VIDEO_RECORD, m.get()); } int UsbCamera::initSnapshotTemplate(Metadata m) { int res = m.add1UInt8(ANDROID_CONTROL_CAPTURE_INTENT, ANDROID_CONTROL_CAPTURE_INTENT_VIDEO_SNAPSHOT); // Setup default video snapshot controls if (res) return res; // TODO: set slow auto-focus, auto-whitebalance, auto-exposure, flash off return setTemplate(CAMERA3_TEMPLATE_VIDEO_SNAPSHOT, m.get()); } int UsbCamera::initZslTemplate(Metadata m) { int res = m.add1UInt8(ANDROID_CONTROL_CAPTURE_INTENT, ANDROID_CONTROL_CAPTURE_INTENT_ZERO_SHUTTER_LAG); // Setup default zero shutter lag controls if (res) return res; // TODO: set reprocessing parameters for zsl input queue return setTemplate(CAMERA3_TEMPLATE_ZERO_SHUTTER_LAG, m.get()); } int UsbCamera::initManualTemplate(Metadata m) { int res = m.add1UInt8(ANDROID_CONTROL_CAPTURE_INTENT, ANDROID_CONTROL_CAPTURE_INTENT_MANUAL); // Setup manual controls if (res) return res; // TODO: set reprocessing parameters for zsl input queue return setTemplate(CAMERA3_TEMPLATE_MANUAL, m.get()); } bool UsbCamera::isValidCaptureSettings(const camera_metadata_t* /*settings*/) { // TODO: reject settings that cannot be captured return true; } } // namespace usb_camera_hal