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420 lines
18 KiB
420 lines
18 KiB
4 months ago
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// Copyright (C) 2020 The Android Open Source Project
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#include "LocalPrebuiltGraph.h"
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#include <android-base/logging.h>
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#include <dlfcn.h>
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#include <functional>
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#include <iostream>
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#include <mutex>
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#include <shared_mutex>
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#include <string>
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#include <vector>
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#include "ClientConfig.pb.h"
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#include "InputFrame.h"
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#include "PrebuiltGraph.h"
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#include "RunnerComponent.h"
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#include "prebuilt_interface.h"
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#include "types/Status.h"
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namespace android {
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namespace automotive {
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namespace computepipe {
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namespace graph {
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#define LOAD_FUNCTION(name) \
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{ \
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std::string func_name = std::string("PrebuiltComputepipeRunner_") + #name; \
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mPrebuiltGraphInstance->mFn##name = \
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dlsym(mPrebuiltGraphInstance->mHandle, func_name.c_str()); \
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if (mPrebuiltGraphInstance->mFn##name == nullptr) { \
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initialized = false; \
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LOG(ERROR) << std::string(dlerror()) << std::endl; \
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} \
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}
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std::mutex LocalPrebuiltGraph::mCreationMutex;
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LocalPrebuiltGraph* LocalPrebuiltGraph::mPrebuiltGraphInstance = nullptr;
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// Function to confirm that there would be no further changes to the graph configuration. This
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// needs to be called before starting the graph.
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Status LocalPrebuiltGraph::handleConfigPhase(const runner::ClientConfig& e) {
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if (mGraphState.load() == PrebuiltGraphState::UNINITIALIZED) {
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return Status::ILLEGAL_STATE;
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}
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// handleConfigPhase is a blocking call, so abort call is pointless for this RunnerEvent.
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if (e.isAborted()) {
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return Status::INVALID_ARGUMENT;
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} else if (e.isTransitionComplete()) {
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return Status::SUCCESS;
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}
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std::string config = e.getSerializedClientConfig();
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auto mappedFn = (PrebuiltComputepipeRunner_ErrorCode(*)(const unsigned char*,
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size_t))mFnUpdateGraphConfig;
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PrebuiltComputepipeRunner_ErrorCode errorCode =
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mappedFn(reinterpret_cast<const unsigned char*>(config.c_str()), config.length());
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if (errorCode != PrebuiltComputepipeRunner_ErrorCode::SUCCESS) {
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return static_cast<Status>(static_cast<int>(errorCode));
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}
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// Set the pixel stream callback function. The same function will be called for all requested
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// pixel output streams.
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if (mEngineInterface.lock() != nullptr) {
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auto pixelCallbackFn = (PrebuiltComputepipeRunner_ErrorCode(*)(
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void (*)(void* cookie, int, int64_t, const uint8_t* pixels, int width, int height,
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int step, int format)))mFnSetOutputPixelStreamCallback;
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PrebuiltComputepipeRunner_ErrorCode errorCode =
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pixelCallbackFn(LocalPrebuiltGraph::OutputPixelStreamCallbackFunction);
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if (errorCode != PrebuiltComputepipeRunner_ErrorCode::SUCCESS) {
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return static_cast<Status>(static_cast<int>(errorCode));
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}
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// Set the serialized stream callback function. The same callback function will be invoked
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// for all requested serialized output streams.
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auto streamCallbackFn = (PrebuiltComputepipeRunner_ErrorCode(*)(
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void (*)(void* cookie, int, int64_t, const unsigned char*,
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size_t)))mFnSetOutputStreamCallback;
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errorCode = streamCallbackFn(LocalPrebuiltGraph::OutputStreamCallbackFunction);
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if (errorCode != PrebuiltComputepipeRunner_ErrorCode::SUCCESS) {
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return static_cast<Status>(static_cast<int>(errorCode));
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}
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// Set the callback function for when the graph terminates.
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auto terminationCallback = (PrebuiltComputepipeRunner_ErrorCode(*)(
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void (*)(void* cookie, const unsigned char*,
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size_t)))mFnSetGraphTerminationCallback;
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errorCode = terminationCallback(LocalPrebuiltGraph::GraphTerminationCallbackFunction);
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if (errorCode != PrebuiltComputepipeRunner_ErrorCode::SUCCESS) {
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return static_cast<Status>(static_cast<int>(errorCode));
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}
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}
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return Status::SUCCESS;
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}
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// Starts the graph.
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Status LocalPrebuiltGraph::handleExecutionPhase(const runner::RunnerEvent& e) {
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if (mGraphState.load() != PrebuiltGraphState::STOPPED) {
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return Status::ILLEGAL_STATE;
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}
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if (e.isAborted()) {
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// Starting the graph is a blocking call and cannot be aborted in between.
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return Status::INVALID_ARGUMENT;
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} else if (e.isTransitionComplete()) {
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return Status::SUCCESS;
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}
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auto mappedFn = (PrebuiltComputepipeRunner_ErrorCode(*)(void*))mFnStartGraphExecution;
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PrebuiltComputepipeRunner_ErrorCode errorCode = mappedFn(reinterpret_cast<void*>(this));
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if (errorCode == PrebuiltComputepipeRunner_ErrorCode::SUCCESS) {
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mGraphState.store(PrebuiltGraphState::RUNNING);
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}
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return static_cast<Status>(static_cast<int>(errorCode));
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}
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// Stops the graph while letting the graph flush output packets in flight.
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Status LocalPrebuiltGraph::handleStopWithFlushPhase(const runner::RunnerEvent& e) {
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if (mGraphState.load() != PrebuiltGraphState::RUNNING) {
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return Status::ILLEGAL_STATE;
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}
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if (e.isAborted()) {
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return Status::INVALID_ARGUMENT;
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} else if (e.isTransitionComplete()) {
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return Status::SUCCESS;
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}
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return StopGraphExecution(/* flushOutputFrames = */ true);
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}
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// Stops the graph and cancels all the output packets.
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Status LocalPrebuiltGraph::handleStopImmediatePhase(const runner::RunnerEvent& e) {
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if (mGraphState.load() != PrebuiltGraphState::RUNNING) {
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return Status::ILLEGAL_STATE;
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}
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if (e.isAborted()) {
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return Status::INVALID_ARGUMENT;
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} else if (e.isTransitionComplete()) {
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return Status::SUCCESS;
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}
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return StopGraphExecution(/* flushOutputFrames = */ false);
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}
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Status LocalPrebuiltGraph::handleResetPhase(const runner::RunnerEvent& e) {
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if (mGraphState.load() != PrebuiltGraphState::STOPPED) {
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return Status::ILLEGAL_STATE;
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}
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if (e.isAborted()) {
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return Status::INVALID_ARGUMENT;
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} else if (e.isTransitionComplete()) {
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return Status::SUCCESS;
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}
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auto mappedFn = (PrebuiltComputepipeRunner_ErrorCode(*)())mFnResetGraph;
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mappedFn();
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return Status::SUCCESS;
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}
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LocalPrebuiltGraph* LocalPrebuiltGraph::GetPrebuiltGraphFromLibrary(
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const std::string& prebuilt_library,
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std::weak_ptr<PrebuiltEngineInterface> engineInterface) {
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std::unique_lock<std::mutex> lock(LocalPrebuiltGraph::mCreationMutex);
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if (mPrebuiltGraphInstance == nullptr) {
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mPrebuiltGraphInstance = new LocalPrebuiltGraph();
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}
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if (mPrebuiltGraphInstance->mGraphState.load() != PrebuiltGraphState::UNINITIALIZED) {
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return mPrebuiltGraphInstance;
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}
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mPrebuiltGraphInstance->mHandle = dlopen(prebuilt_library.c_str(), RTLD_NOW);
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if (mPrebuiltGraphInstance->mHandle) {
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bool initialized = true;
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// Load config and version number first.
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const unsigned char* (*getVersionFn)() =
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(const unsigned char* (*)())dlsym(mPrebuiltGraphInstance->mHandle,
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"PrebuiltComputepipeRunner_GetVersion");
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if (getVersionFn != nullptr) {
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mPrebuiltGraphInstance->mGraphVersion =
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std::string(reinterpret_cast<const char*>(getVersionFn()));
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} else {
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LOG(ERROR) << std::string(dlerror());
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initialized = false;
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}
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void (*getSupportedGraphConfigsFn)(const void**, size_t*) =
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(void (*)(const void**,
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size_t*))dlsym(mPrebuiltGraphInstance->mHandle,
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"PrebuiltComputepipeRunner_GetSupportedGraphConfigs");
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if (getSupportedGraphConfigsFn != nullptr) {
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size_t graphConfigSize;
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const void* graphConfig;
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getSupportedGraphConfigsFn(&graphConfig, &graphConfigSize);
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if (graphConfigSize > 0) {
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initialized &= mPrebuiltGraphInstance->mGraphConfig.ParseFromString(
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std::string(reinterpret_cast<const char*>(graphConfig), graphConfigSize));
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}
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} else {
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LOG(ERROR) << std::string(dlerror());
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initialized = false;
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}
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// Null callback interface is not acceptable.
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if (initialized && engineInterface.lock() == nullptr) {
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initialized = false;
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}
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LOAD_FUNCTION(GetErrorCode);
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LOAD_FUNCTION(GetErrorMessage);
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LOAD_FUNCTION(ResetGraph);
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LOAD_FUNCTION(UpdateGraphConfig);
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LOAD_FUNCTION(SetInputStreamData);
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LOAD_FUNCTION(SetInputStreamPixelData);
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LOAD_FUNCTION(SetOutputStreamCallback);
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LOAD_FUNCTION(SetOutputPixelStreamCallback);
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LOAD_FUNCTION(SetGraphTerminationCallback);
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LOAD_FUNCTION(StartGraphExecution);
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LOAD_FUNCTION(StopGraphExecution);
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LOAD_FUNCTION(StartGraphProfiling);
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LOAD_FUNCTION(StopGraphProfiling);
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LOAD_FUNCTION(GetDebugInfo);
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// This is the only way to create this object and there is already a
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// lock around object creation, so no need to hold the graphState lock
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// here.
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if (initialized) {
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mPrebuiltGraphInstance->mGraphState.store(PrebuiltGraphState::STOPPED);
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mPrebuiltGraphInstance->mEngineInterface = engineInterface;
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}
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}
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return mPrebuiltGraphInstance;
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}
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LocalPrebuiltGraph::~LocalPrebuiltGraph() {
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if (mHandle) {
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dlclose(mHandle);
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}
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}
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Status LocalPrebuiltGraph::GetStatus() const {
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if (mGraphState.load() == PrebuiltGraphState::UNINITIALIZED) {
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return Status::ILLEGAL_STATE;
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}
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auto mappedFn = (PrebuiltComputepipeRunner_ErrorCode(*)())mFnGetErrorCode;
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PrebuiltComputepipeRunner_ErrorCode errorCode = mappedFn();
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return static_cast<Status>(static_cast<int>(errorCode));
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}
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std::string LocalPrebuiltGraph::GetErrorMessage() const {
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if (mGraphState.load() == PrebuiltGraphState::UNINITIALIZED) {
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return "Graph has not been initialized";
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}
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auto mappedFn = (PrebuiltComputepipeRunner_ErrorCode(*)(unsigned char*, size_t,
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size_t*))mFnGetErrorMessage;
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size_t errorMessageSize = 0;
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PrebuiltComputepipeRunner_ErrorCode errorCode = mappedFn(nullptr, 0, &errorMessageSize);
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std::vector<unsigned char> errorMessage(errorMessageSize);
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errorCode = mappedFn(&errorMessage[0], errorMessage.size(), &errorMessageSize);
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if (errorCode != PrebuiltComputepipeRunner_ErrorCode::SUCCESS) {
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return "Unable to get error message from the graph.";
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}
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return std::string(reinterpret_cast<char*>(&errorMessage[0]),
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reinterpret_cast<char*>(&errorMessage[0]) + errorMessage.size());
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}
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Status LocalPrebuiltGraph::SetInputStreamData(int streamIndex, int64_t timestamp,
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const std::string& streamData) {
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if (mGraphState.load() == PrebuiltGraphState::UNINITIALIZED) {
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return Status::ILLEGAL_STATE;
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}
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auto mappedFn = (PrebuiltComputepipeRunner_ErrorCode(*)(int, int64_t, const unsigned char*,
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size_t))mFnSetInputStreamData;
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PrebuiltComputepipeRunner_ErrorCode errorCode =
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mappedFn(streamIndex, timestamp,
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reinterpret_cast<const unsigned char*>(streamData.c_str()),
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streamData.length());
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return static_cast<Status>(static_cast<int>(errorCode));
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}
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Status LocalPrebuiltGraph::SetInputStreamPixelData(int streamIndex, int64_t timestamp,
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const runner::InputFrame& inputFrame) {
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if (mGraphState.load() == PrebuiltGraphState::UNINITIALIZED) {
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return Status::ILLEGAL_STATE;
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}
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auto mappedFn =
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(PrebuiltComputepipeRunner_ErrorCode(*)(int, int64_t, const uint8_t*, int, int, int,
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PrebuiltComputepipeRunner_PixelDataFormat))
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mFnSetInputStreamPixelData;
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PrebuiltComputepipeRunner_ErrorCode errorCode =
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mappedFn(streamIndex, timestamp, inputFrame.getFramePtr(),
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inputFrame.getFrameInfo().width, inputFrame.getFrameInfo().height,
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inputFrame.getFrameInfo().stride,
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static_cast<PrebuiltComputepipeRunner_PixelDataFormat>(
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static_cast<int>(inputFrame.getFrameInfo().format)));
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return static_cast<Status>(static_cast<int>(errorCode));
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}
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Status LocalPrebuiltGraph::StopGraphExecution(bool flushOutputFrames) {
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auto mappedFn = (PrebuiltComputepipeRunner_ErrorCode(*)(bool))mFnStopGraphExecution;
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PrebuiltComputepipeRunner_ErrorCode errorCode = mappedFn(flushOutputFrames);
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if (errorCode == PrebuiltComputepipeRunner_ErrorCode::SUCCESS) {
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mGraphState.store(flushOutputFrames ? PrebuiltGraphState::FLUSHING
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: PrebuiltGraphState::STOPPED);
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}
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return static_cast<Status>(static_cast<int>(errorCode));
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}
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Status LocalPrebuiltGraph::StartGraphProfiling() {
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auto mappedFn = (PrebuiltComputepipeRunner_ErrorCode(*)())mFnStartGraphProfiling;
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PrebuiltComputepipeRunner_ErrorCode errorCode = mappedFn();
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return static_cast<Status>(static_cast<int>(errorCode));
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}
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Status LocalPrebuiltGraph::StopGraphProfiling() {
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auto mappedFn = (PrebuiltComputepipeRunner_ErrorCode(*)())mFnStopGraphProfiling;
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PrebuiltComputepipeRunner_ErrorCode errorCode = mappedFn();
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return static_cast<Status>(static_cast<int>(errorCode));
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}
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std::string LocalPrebuiltGraph::GetDebugInfo() {
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if (mGraphState.load() == PrebuiltGraphState::UNINITIALIZED) {
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return "";
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}
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auto mappedFn = (PrebuiltComputepipeRunner_ErrorCode(*)(unsigned char*, size_t,
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size_t*))mFnGetDebugInfo;
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size_t debugInfoSize = 0;
|
||
|
|
PrebuiltComputepipeRunner_ErrorCode errorCode = mappedFn(nullptr, 0, &debugInfoSize);
|
||
|
|
std::vector<unsigned char> debugInfo(debugInfoSize);
|
||
|
|
|
||
|
|
errorCode = mappedFn(&debugInfo[0], debugInfo.size(), &debugInfoSize);
|
||
|
|
if (errorCode != PrebuiltComputepipeRunner_ErrorCode::SUCCESS) {
|
||
|
|
return "";
|
||
|
|
}
|
||
|
|
|
||
|
|
return std::string(reinterpret_cast<char*>(&debugInfo[0]),
|
||
|
|
reinterpret_cast<char*>(&debugInfo[0]) + debugInfo.size());
|
||
|
|
}
|
||
|
|
|
||
|
|
void LocalPrebuiltGraph::OutputStreamCallbackFunction(void* cookie, int streamIndex,
|
||
|
|
int64_t timestamp, const unsigned char* data,
|
||
|
|
size_t data_size) {
|
||
|
|
LocalPrebuiltGraph* graph = reinterpret_cast<LocalPrebuiltGraph*>(cookie);
|
||
|
|
CHECK(graph);
|
||
|
|
std::shared_ptr<PrebuiltEngineInterface> engineInterface = graph->mEngineInterface.lock();
|
||
|
|
if (engineInterface != nullptr) {
|
||
|
|
engineInterface->DispatchSerializedData(streamIndex, timestamp,
|
||
|
|
std::string(data, data + data_size));
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
void LocalPrebuiltGraph::OutputPixelStreamCallbackFunction(void* cookie, int streamIndex,
|
||
|
|
int64_t timestamp, const uint8_t* pixels,
|
||
|
|
int width, int height, int step,
|
||
|
|
int format) {
|
||
|
|
LocalPrebuiltGraph* graph = reinterpret_cast<LocalPrebuiltGraph*>(cookie);
|
||
|
|
CHECK(graph);
|
||
|
|
std::shared_ptr<PrebuiltEngineInterface> engineInterface = graph->mEngineInterface.lock();
|
||
|
|
|
||
|
|
if (engineInterface) {
|
||
|
|
runner::InputFrame frame(height, width, static_cast<PixelFormat>(format), step, pixels);
|
||
|
|
engineInterface->DispatchPixelData(streamIndex, timestamp, frame);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
void LocalPrebuiltGraph::GraphTerminationCallbackFunction(void* cookie,
|
||
|
|
const unsigned char* termination_message,
|
||
|
|
size_t termination_message_size) {
|
||
|
|
LocalPrebuiltGraph* graph = reinterpret_cast<LocalPrebuiltGraph*>(cookie);
|
||
|
|
CHECK(graph);
|
||
|
|
std::shared_ptr<PrebuiltEngineInterface> engineInterface = graph->mEngineInterface.lock();
|
||
|
|
|
||
|
|
if (engineInterface) {
|
||
|
|
std::string errorMessage = "";
|
||
|
|
if (termination_message != nullptr && termination_message_size > 0) {
|
||
|
|
std::string(termination_message, termination_message + termination_message_size);
|
||
|
|
}
|
||
|
|
graph->mGraphState.store(PrebuiltGraphState::STOPPED);
|
||
|
|
engineInterface->DispatchGraphTerminationMessage(graph->GetStatus(),
|
||
|
|
std::move(errorMessage));
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
PrebuiltGraph* GetLocalGraphFromLibrary(const std::string& prebuilt_library,
|
||
|
|
std::weak_ptr<PrebuiltEngineInterface> engineInterface) {
|
||
|
|
return LocalPrebuiltGraph::GetPrebuiltGraphFromLibrary(prebuilt_library, engineInterface);
|
||
|
|
}
|
||
|
|
|
||
|
|
} // namespace graph
|
||
|
|
} // namespace computepipe
|
||
|
|
} // namespace automotive
|
||
|
|
} // namespace android
|