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/*
* Copyright (C) 2016 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_TAG "android.hardware.camera.device@3.2-convert-impl"
#include <android/log.h>
#include "include/convert.h"
namespace android {
namespace hardware {
namespace camera {
namespace device {
namespace V3_2 {
namespace implementation {
using ::android::hardware::graphics::common::V1_0::Dataspace;
using ::android::hardware::graphics::common::V1_0::PixelFormat;
using ::android::hardware::camera::device::V3_2::ConsumerUsageFlags;
using ::android::hardware::camera::device::V3_2::ProducerUsageFlags;
bool convertFromHidl(const CameraMetadata &src, const camera_metadata_t** dst) {
if (src.size() == 0) {
// Special case for null metadata
*dst = nullptr;
return true;
}
const uint8_t* data = src.data();
// sanity check the size of CameraMetadata match underlying camera_metadata_t
if (get_camera_metadata_size((camera_metadata_t*)data) != src.size()) {
ALOGE("%s: input CameraMetadata is corrupt!", __FUNCTION__);
return false;
}
*dst = (camera_metadata_t*) data;
return true;
}
// Note: existing data in dst will be gone. Caller still owns the memory of src
void convertToHidl(const camera_metadata_t *src, CameraMetadata* dst) {
if (src == nullptr) {
return;
}
size_t size = get_camera_metadata_size(src);
dst->setToExternal((uint8_t *) src, size);
return;
}
void convertFromHidl(const Stream &src, Camera3Stream* dst) {
dst->mId = src.id;
dst->stream_type = (int) src.streamType;
dst->width = src.width;
dst->height = src.height;
dst->format = (int) src.format;
dst->data_space = (android_dataspace_t) src.dataSpace;
dst->rotation = (int) src.rotation;
dst->usage = (uint32_t) src.usage;
// Fields to be filled by HAL (max_buffers, priv) are initialized to 0
dst->max_buffers = 0;
dst->priv = 0;
return;
}
void convertToHidl(const Camera3Stream* src, HalStream* dst) {
dst->id = src->mId;
dst->overrideFormat = (PixelFormat) src->format;
dst->maxBuffers = src->max_buffers;
if (src->stream_type == CAMERA3_STREAM_OUTPUT) {
dst->consumerUsage = (ConsumerUsageFlags) 0;
dst->producerUsage = (ProducerUsageFlags) src->usage;
} else if (src->stream_type == CAMERA3_STREAM_INPUT) {
dst->producerUsage = (ProducerUsageFlags) 0;
dst->consumerUsage = (ConsumerUsageFlags) src->usage;
} else {
//Should not reach here per current HIDL spec, but we might end up adding
// bi-directional stream to HIDL.
ALOGW("%s: Stream type %d is not currently supported!",
__FUNCTION__, src->stream_type);
}
}
void convertToHidl(const camera3_stream_configuration_t& src, HalStreamConfiguration* dst) {
dst->streams.resize(src.num_streams);
for (uint32_t i = 0; i < src.num_streams; i++) {
convertToHidl(static_cast<Camera3Stream*>(src.streams[i]), &dst->streams[i]);
}
return;
}
void convertFromHidl(
buffer_handle_t* bufPtr, BufferStatus status, camera3_stream_t* stream, int acquireFence,
camera3_stream_buffer_t* dst) {
dst->stream = stream;
dst->buffer = bufPtr;
dst->status = (int) status;
dst->acquire_fence = acquireFence;
dst->release_fence = -1; // meant for HAL to fill in
}
void convertToHidl(const camera3_notify_msg* src, NotifyMsg* dst) {
dst->type = (MsgType) src->type;
switch (src->type) {
case CAMERA3_MSG_ERROR:
{
// The camera3_stream_t* must be the same as what wrapper HAL passed to conventional
// HAL, or the ID lookup will return garbage. Caller should validate the ID here is
// indeed one of active stream IDs
Camera3Stream* stream = static_cast<Camera3Stream*>(
src->message.error.error_stream);
dst->msg.error.frameNumber = src->message.error.frame_number;
dst->msg.error.errorStreamId = (stream != nullptr) ? stream->mId : -1;
dst->msg.error.errorCode = (ErrorCode) src->message.error.error_code;
}
break;
case CAMERA3_MSG_SHUTTER:
dst->msg.shutter.frameNumber = src->message.shutter.frame_number;
dst->msg.shutter.timestamp = src->message.shutter.timestamp;
break;
default:
ALOGE("%s: HIDL type converion failed. Unknown msg type 0x%x",
__FUNCTION__, src->type);
}
return;
}
} // namespace implementation
} // namespace V3_2
} // namespace device
} // namespace camera
} // namespace hardware
} // namespace android
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