| /* |
| * 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 <stdint.h> |
| |
| #include <log/log.h> |
| |
| #define ATRACE_TAG (ATRACE_TAG_CAMERA | ATRACE_TAG_HAL) |
| #include <utils/Trace.h> |
| |
| #include <system/camera_metadata.h> |
| |
| #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 |
