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/*
* Copyright (C) 2019 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 "GCH_RealtimeProcessBlock"
#define ATRACE_TAG ATRACE_TAG_CAMERA
#include <log/log.h>
#include <utils/Trace.h>
#include "hal_utils.h"
#include "realtime_process_block.h"
#include "result_processor.h"
namespace android {
namespace google_camera_hal {
std::unique_ptr<RealtimeProcessBlock> RealtimeProcessBlock::Create(
CameraDeviceSessionHwl* device_session_hwl) {
ATRACE_CALL();
if (!IsSupported(device_session_hwl)) {
ALOGE("%s: Not supported.", __FUNCTION__);
return nullptr;
}
auto block = std::unique_ptr<RealtimeProcessBlock>(
new RealtimeProcessBlock(device_session_hwl));
if (block == nullptr) {
ALOGE("%s: Creating RealtimeProcessBlock failed.", __FUNCTION__);
return nullptr;
}
return block;
}
bool RealtimeProcessBlock::IsSupported(
CameraDeviceSessionHwl* device_session_hwl) {
if (device_session_hwl == nullptr) {
ALOGE("%s: device_session_hwl is nullptr", __FUNCTION__);
return false;
}
return true;
}
RealtimeProcessBlock::RealtimeProcessBlock(
CameraDeviceSessionHwl* device_session_hwl)
: kCameraId(device_session_hwl->GetCameraId()),
device_session_hwl_(device_session_hwl) {
hwl_pipeline_callback_.process_pipeline_result = HwlProcessPipelineResultFunc(
[this](std::unique_ptr<HwlPipelineResult> result) {
NotifyHwlPipelineResult(std::move(result));
});
hwl_pipeline_callback_.notify = NotifyHwlPipelineMessageFunc(
[this](uint32_t pipeline_id, const NotifyMessage& message) {
NotifyHwlPipelineMessage(pipeline_id, message);
});
}
status_t RealtimeProcessBlock::SetResultProcessor(
std::unique_ptr<ResultProcessor> result_processor) {
ATRACE_CALL();
if (result_processor == nullptr) {
ALOGE("%s: result_processor is nullptr", __FUNCTION__);
return BAD_VALUE;
}
std::lock_guard<std::mutex> lock(result_processor_lock_);
if (result_processor_ != nullptr) {
ALOGE("%s: result_processor_ was already set.", __FUNCTION__);
return ALREADY_EXISTS;
}
result_processor_ = std::move(result_processor);
return OK;
}
status_t RealtimeProcessBlock::ConfigureStreams(
const StreamConfiguration& stream_config,
const StreamConfiguration& overall_config) {
ATRACE_CALL();
std::lock_guard lock(configure_shared_mutex_);
if (is_configured_) {
ALOGE("%s: Already configured.", __FUNCTION__);
return ALREADY_EXISTS;
}
status_t res = device_session_hwl_->ConfigurePipeline(
kCameraId, hwl_pipeline_callback_, stream_config, overall_config,
&pipeline_id_);
if (res != OK) {
ALOGE("%s: Configuring a pipeline failed: %s(%d)", __FUNCTION__,
strerror(-res), res);
return res;
}
is_configured_ = true;
return OK;
}
status_t RealtimeProcessBlock::GetConfiguredHalStreams(
std::vector<HalStream>* hal_streams) const {
ATRACE_CALL();
std::lock_guard lock(configure_shared_mutex_);
if (hal_streams == nullptr) {
ALOGE("%s: hal_streams is nullptr.", __FUNCTION__);
return BAD_VALUE;
}
if (!is_configured_) {
ALOGE("%s: Not configured yet.", __FUNCTION__);
return NO_INIT;
}
return device_session_hwl_->GetConfiguredHalStream(pipeline_id_, hal_streams);
}
status_t RealtimeProcessBlock::ProcessRequests(
const std::vector<ProcessBlockRequest>& process_block_requests,
const CaptureRequest& remaining_session_request) {
ATRACE_CALL();
if (process_block_requests.size() != 1) {
ALOGE("%s: Only a single request is supported but there are %zu",
__FUNCTION__, process_block_requests.size());
return BAD_VALUE;
}
{
std::lock_guard<std::mutex> lock(result_processor_lock_);
if (result_processor_ == nullptr) {
ALOGE("%s: result processor was not set.", __FUNCTION__);
return NO_INIT;
}
status_t res = result_processor_->AddPendingRequests(
process_block_requests, remaining_session_request);
if (res != OK) {
ALOGE("%s: Adding a pending request to result processor failed: %s(%d)",
__FUNCTION__, strerror(-res), res);
return res;
}
}
std::shared_lock lock(configure_shared_mutex_);
if (!is_configured_) {
ALOGE("%s: block is not configured.", __FUNCTION__);
return NO_INIT;
}
std::vector<HwlPipelineRequest> hwl_requests(1);
status_t res = hal_utils::CreateHwlPipelineRequest(
&hwl_requests[0], pipeline_id_, process_block_requests[0].request);
if (res != OK) {
ALOGE("%s: Creating HWL pipeline request failed: %s(%d)", __FUNCTION__,
strerror(-res), res);
return res;
}
return device_session_hwl_->SubmitRequests(
process_block_requests[0].request.frame_number, hwl_requests);
}
status_t RealtimeProcessBlock::Flush() {
ATRACE_CALL();
std::shared_lock lock(configure_shared_mutex_);
if (!is_configured_) {
return OK;
}
return device_session_hwl_->Flush();
}
void RealtimeProcessBlock::NotifyHwlPipelineResult(
std::unique_ptr<HwlPipelineResult> hwl_result) {
ATRACE_CALL();
std::lock_guard<std::mutex> lock(result_processor_lock_);
if (result_processor_ == nullptr) {
ALOGE("%s: result processor is nullptr. Dropping a result", __FUNCTION__);
return;
}
auto capture_result = hal_utils::ConvertToCaptureResult(std::move(hwl_result));
if (capture_result == nullptr) {
ALOGE("%s: Converting to capture result failed.", __FUNCTION__);
return;
}
ProcessBlockResult result = {.result = std::move(capture_result)};
result_processor_->ProcessResult(std::move(result));
}
void RealtimeProcessBlock::NotifyHwlPipelineMessage(
uint32_t /*pipeline_id*/, const NotifyMessage& message) {
ATRACE_CALL();
std::lock_guard<std::mutex> lock(result_processor_lock_);
if (result_processor_ == nullptr) {
ALOGE("%s: result processor is nullptr. Dropping a message", __FUNCTION__);
return;
}
ProcessBlockNotifyMessage block_message = {.message = message};
result_processor_->Notify(block_message);
}
} // namespace google_camera_hal
} // namespace android
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