Move Codec2-related code from hardware/google/av

Test: None
Bug: 112362730
Change-Id: Ie2f8ff431d65c40333f267ab9877d47089adeea4
diff --git a/media/codec2/sfplugin/CCodec.cpp b/media/codec2/sfplugin/CCodec.cpp
new file mode 100644
index 0000000..f00c62e
--- /dev/null
+++ b/media/codec2/sfplugin/CCodec.cpp
@@ -0,0 +1,1746 @@
+/*
+ * Copyright (C) 2017 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 "CCodec"
+#include <utils/Log.h>
+
+#include <sstream>
+#include <thread>
+
+#include <C2Config.h>
+#include <C2Debug.h>
+#include <C2ParamInternal.h>
+#include <C2PlatformSupport.h>
+
+#include <android/IGraphicBufferSource.h>
+#include <android/IOMXBufferSource.h>
+#include <android/hardware/media/omx/1.0/IGraphicBufferSource.h>
+#include <android/hardware/media/omx/1.0/IOmx.h>
+#include <android-base/stringprintf.h>
+#include <cutils/properties.h>
+#include <gui/IGraphicBufferProducer.h>
+#include <gui/Surface.h>
+#include <gui/bufferqueue/1.0/H2BGraphicBufferProducer.h>
+#include <media/omx/1.0/WGraphicBufferSource.h>
+#include <media/openmax/OMX_IndexExt.h>
+#include <media/stagefright/BufferProducerWrapper.h>
+#include <media/stagefright/MediaCodecConstants.h>
+#include <media/stagefright/PersistentSurface.h>
+#include <media/stagefright/codec2/1.0/InputSurface.h>
+
+#include "C2OMXNode.h"
+#include "CCodec.h"
+#include "CCodecBufferChannel.h"
+#include "InputSurfaceWrapper.h"
+
+extern "C" android::PersistentSurface *CreateInputSurface();
+
+namespace android {
+
+using namespace std::chrono_literals;
+using ::android::hardware::graphics::bufferqueue::V1_0::utils::H2BGraphicBufferProducer;
+using android::base::StringPrintf;
+using BGraphicBufferSource = ::android::IGraphicBufferSource;
+using ::hardware::google::media::c2::V1_0::IInputSurface;
+
+namespace {
+
+class CCodecWatchdog : public AHandler {
+private:
+    enum {
+        kWhatWatch,
+    };
+    constexpr static int64_t kWatchIntervalUs = 3300000;  // 3.3 secs
+
+public:
+    static sp<CCodecWatchdog> getInstance() {
+        static sp<CCodecWatchdog> instance(new CCodecWatchdog);
+        static std::once_flag flag;
+        // Call Init() only once.
+        std::call_once(flag, Init, instance);
+        return instance;
+    }
+
+    ~CCodecWatchdog() = default;
+
+    void watch(sp<CCodec> codec) {
+        bool shouldPost = false;
+        {
+            Mutexed<std::set<wp<CCodec>>>::Locked codecs(mCodecsToWatch);
+            // If a watch message is in flight, piggy-back this instance as well.
+            // Otherwise, post a new watch message.
+            shouldPost = codecs->empty();
+            codecs->emplace(codec);
+        }
+        if (shouldPost) {
+            ALOGV("posting watch message");
+            (new AMessage(kWhatWatch, this))->post(kWatchIntervalUs);
+        }
+    }
+
+protected:
+    void onMessageReceived(const sp<AMessage> &msg) {
+        switch (msg->what()) {
+            case kWhatWatch: {
+                Mutexed<std::set<wp<CCodec>>>::Locked codecs(mCodecsToWatch);
+                ALOGV("watch for %zu codecs", codecs->size());
+                for (auto it = codecs->begin(); it != codecs->end(); ++it) {
+                    sp<CCodec> codec = it->promote();
+                    if (codec == nullptr) {
+                        continue;
+                    }
+                    codec->initiateReleaseIfStuck();
+                }
+                codecs->clear();
+                break;
+            }
+
+            default: {
+                TRESPASS("CCodecWatchdog: unrecognized message");
+            }
+        }
+    }
+
+private:
+    CCodecWatchdog() : mLooper(new ALooper) {}
+
+    static void Init(const sp<CCodecWatchdog> &thiz) {
+        ALOGV("Init");
+        thiz->mLooper->setName("CCodecWatchdog");
+        thiz->mLooper->registerHandler(thiz);
+        thiz->mLooper->start();
+    }
+
+    sp<ALooper> mLooper;
+
+    Mutexed<std::set<wp<CCodec>>> mCodecsToWatch;
+};
+
+class C2InputSurfaceWrapper : public InputSurfaceWrapper {
+public:
+    explicit C2InputSurfaceWrapper(
+            const std::shared_ptr<Codec2Client::InputSurface> &surface) :
+        mSurface(surface) {
+    }
+
+    ~C2InputSurfaceWrapper() override = default;
+
+    status_t connect(const std::shared_ptr<Codec2Client::Component> &comp) override {
+        if (mConnection != nullptr) {
+            return ALREADY_EXISTS;
+        }
+        return toStatusT(mSurface->connectToComponent(comp, &mConnection),
+                         C2_OPERATION_InputSurface_connectToComponent);
+    }
+
+    void disconnect() override {
+        if (mConnection != nullptr) {
+            mConnection->disconnect();
+            mConnection = nullptr;
+        }
+    }
+
+    status_t start() override {
+        // InputSurface does not distinguish started state
+        return OK;
+    }
+
+    status_t signalEndOfInputStream() override {
+        C2InputSurfaceEosTuning eos(true);
+        std::vector<std::unique_ptr<C2SettingResult>> failures;
+        c2_status_t err = mSurface->getConfigurable()->config({&eos}, C2_MAY_BLOCK, &failures);
+        if (err != C2_OK) {
+            return UNKNOWN_ERROR;
+        }
+        return OK;
+    }
+
+    status_t configure(Config &config __unused) {
+        // TODO
+        return OK;
+    }
+
+private:
+    std::shared_ptr<Codec2Client::InputSurface> mSurface;
+    std::shared_ptr<Codec2Client::InputSurfaceConnection> mConnection;
+};
+
+class GraphicBufferSourceWrapper : public InputSurfaceWrapper {
+public:
+//    explicit GraphicBufferSourceWrapper(const sp<BGraphicBufferSource> &source) : mSource(source) {}
+    GraphicBufferSourceWrapper(
+            const sp<BGraphicBufferSource> &source,
+            uint32_t width,
+            uint32_t height)
+        : mSource(source), mWidth(width), mHeight(height) {
+        mDataSpace = HAL_DATASPACE_BT709;
+    }
+    ~GraphicBufferSourceWrapper() override = default;
+
+    status_t connect(const std::shared_ptr<Codec2Client::Component> &comp) override {
+        mNode = new C2OMXNode(comp);
+        mNode->setFrameSize(mWidth, mHeight);
+
+        // NOTE: we do not use/pass through color aspects from GraphicBufferSource as we
+        // communicate that directly to the component.
+        mSource->configure(mNode, mDataSpace);
+        return OK;
+    }
+
+    void disconnect() override {
+        if (mNode == nullptr) {
+            return;
+        }
+        sp<IOMXBufferSource> source = mNode->getSource();
+        if (source == nullptr) {
+            ALOGD("GBSWrapper::disconnect: node is not configured with OMXBufferSource.");
+            return;
+        }
+        source->onOmxIdle();
+        source->onOmxLoaded();
+        mNode.clear();
+    }
+
+    status_t GetStatus(const binder::Status &status) {
+        status_t err = OK;
+        if (!status.isOk()) {
+            err = status.serviceSpecificErrorCode();
+            if (err == OK) {
+                err = status.transactionError();
+                if (err == OK) {
+                    // binder status failed, but there is no servie or transaction error
+                    err = UNKNOWN_ERROR;
+                }
+            }
+        }
+        return err;
+    }
+
+    status_t start() override {
+        sp<IOMXBufferSource> source = mNode->getSource();
+        if (source == nullptr) {
+            return NO_INIT;
+        }
+        constexpr size_t kNumSlots = 16;
+        for (size_t i = 0; i < kNumSlots; ++i) {
+            source->onInputBufferAdded(i);
+        }
+
+        source->onOmxExecuting();
+        return OK;
+    }
+
+    status_t signalEndOfInputStream() override {
+        return GetStatus(mSource->signalEndOfInputStream());
+    }
+
+    status_t configure(Config &config) {
+        std::stringstream status;
+        status_t err = OK;
+
+        // handle each configuration granually, in case we need to handle part of the configuration
+        // elsewhere
+
+        // TRICKY: we do not unset frame delay repeating
+        if (config.mMinFps > 0 && config.mMinFps != mConfig.mMinFps) {
+            int64_t us = 1e6 / config.mMinFps + 0.5;
+            status_t res = GetStatus(mSource->setRepeatPreviousFrameDelayUs(us));
+            status << " minFps=" << config.mMinFps << " => repeatDelayUs=" << us;
+            if (res != OK) {
+                status << " (=> " << asString(res) << ")";
+                err = res;
+            }
+            mConfig.mMinFps = config.mMinFps;
+        }
+
+        // pts gap
+        if (config.mMinAdjustedFps > 0 || config.mFixedAdjustedFps > 0) {
+            if (mNode != nullptr) {
+                OMX_PARAM_U32TYPE ptrGapParam = {};
+                ptrGapParam.nSize = sizeof(OMX_PARAM_U32TYPE);
+                ptrGapParam.nU32 = (config.mMinAdjustedFps > 0)
+                        ? c2_min(INT32_MAX + 0., 1e6 / config.mMinAdjustedFps + 0.5)
+                        : c2_max(0. - INT32_MAX, -1e6 / config.mFixedAdjustedFps - 0.5);
+                (void)mNode->setParameter(
+                        (OMX_INDEXTYPE)OMX_IndexParamMaxFrameDurationForBitrateControl,
+                        &ptrGapParam, sizeof(ptrGapParam));
+            }
+        }
+
+        // max fps
+        // TRICKY: we do not unset max fps to 0 unless using fixed fps
+        if ((config.mMaxFps > 0 || (config.mFixedAdjustedFps > 0 && config.mMaxFps == 0))
+                && config.mMaxFps != mConfig.mMaxFps) {
+            status_t res = GetStatus(mSource->setMaxFps(config.mMaxFps));
+            status << " maxFps=" << config.mMaxFps;
+            if (res != OK) {
+                status << " (=> " << asString(res) << ")";
+                err = res;
+            }
+            mConfig.mMaxFps = config.mMaxFps;
+        }
+
+        if (config.mTimeOffsetUs != mConfig.mTimeOffsetUs) {
+            status_t res = GetStatus(mSource->setTimeOffsetUs(config.mTimeOffsetUs));
+            status << " timeOffset " << config.mTimeOffsetUs << "us";
+            if (res != OK) {
+                status << " (=> " << asString(res) << ")";
+                err = res;
+            }
+            mConfig.mTimeOffsetUs = config.mTimeOffsetUs;
+        }
+
+        if (config.mCaptureFps != mConfig.mCaptureFps || config.mCodedFps != mConfig.mCodedFps) {
+            status_t res =
+                GetStatus(mSource->setTimeLapseConfig(config.mCodedFps, config.mCaptureFps));
+            status << " timeLapse " << config.mCaptureFps << "fps as " << config.mCodedFps << "fps";
+            if (res != OK) {
+                status << " (=> " << asString(res) << ")";
+                err = res;
+            }
+            mConfig.mCaptureFps = config.mCaptureFps;
+            mConfig.mCodedFps = config.mCodedFps;
+        }
+
+        if (config.mStartAtUs != mConfig.mStartAtUs
+                || (config.mStopped != mConfig.mStopped && !config.mStopped)) {
+            status_t res = GetStatus(mSource->setStartTimeUs(config.mStartAtUs));
+            status << " start at " << config.mStartAtUs << "us";
+            if (res != OK) {
+                status << " (=> " << asString(res) << ")";
+                err = res;
+            }
+            mConfig.mStartAtUs = config.mStartAtUs;
+            mConfig.mStopped = config.mStopped;
+        }
+
+        // suspend-resume
+        if (config.mSuspended != mConfig.mSuspended) {
+            status_t res = GetStatus(mSource->setSuspend(config.mSuspended, config.mSuspendAtUs));
+            status << " " << (config.mSuspended ? "suspend" : "resume")
+                    << " at " << config.mSuspendAtUs << "us";
+            if (res != OK) {
+                status << " (=> " << asString(res) << ")";
+                err = res;
+            }
+            mConfig.mSuspended = config.mSuspended;
+            mConfig.mSuspendAtUs = config.mSuspendAtUs;
+        }
+
+        if (config.mStopped != mConfig.mStopped && config.mStopped) {
+            status_t res = GetStatus(mSource->setStopTimeUs(config.mStopAtUs));
+            status << " stop at " << config.mStopAtUs << "us";
+            if (res != OK) {
+                status << " (=> " << asString(res) << ")";
+                err = res;
+            } else {
+                status << " delayUs";
+                res = GetStatus(mSource->getStopTimeOffsetUs(&config.mInputDelayUs));
+                if (res != OK) {
+                    status << " (=> " << asString(res) << ")";
+                } else {
+                    status << "=" << config.mInputDelayUs << "us";
+                }
+                mConfig.mInputDelayUs = config.mInputDelayUs;
+            }
+            mConfig.mStopAtUs = config.mStopAtUs;
+            mConfig.mStopped = config.mStopped;
+        }
+
+        // color aspects (android._color-aspects)
+
+        // consumer usage
+        ALOGD("ISConfig%s", status.str().c_str());
+        return err;
+    }
+
+private:
+    sp<BGraphicBufferSource> mSource;
+    sp<C2OMXNode> mNode;
+    uint32_t mWidth;
+    uint32_t mHeight;
+    Config mConfig;
+};
+
+class Codec2ClientInterfaceWrapper : public C2ComponentStore {
+    std::shared_ptr<Codec2Client> mClient;
+
+public:
+    Codec2ClientInterfaceWrapper(std::shared_ptr<Codec2Client> client)
+        : mClient(client) { }
+
+    virtual ~Codec2ClientInterfaceWrapper() = default;
+
+    virtual c2_status_t config_sm(
+            const std::vector<C2Param *> &params,
+            std::vector<std::unique_ptr<C2SettingResult>> *const failures) {
+        return mClient->config(params, C2_MAY_BLOCK, failures);
+    };
+
+    virtual c2_status_t copyBuffer(
+            std::shared_ptr<C2GraphicBuffer>,
+            std::shared_ptr<C2GraphicBuffer>) {
+        return C2_OMITTED;
+    }
+
+    virtual c2_status_t createComponent(
+            C2String, std::shared_ptr<C2Component> *const component) {
+        component->reset();
+        return C2_OMITTED;
+    }
+
+    virtual c2_status_t createInterface(
+            C2String, std::shared_ptr<C2ComponentInterface> *const interface) {
+        interface->reset();
+        return C2_OMITTED;
+    }
+
+    virtual c2_status_t query_sm(
+            const std::vector<C2Param *> &stackParams,
+            const std::vector<C2Param::Index> &heapParamIndices,
+            std::vector<std::unique_ptr<C2Param>> *const heapParams) const {
+        return mClient->query(stackParams, heapParamIndices, C2_MAY_BLOCK, heapParams);
+    }
+
+    virtual c2_status_t querySupportedParams_nb(
+            std::vector<std::shared_ptr<C2ParamDescriptor>> *const params) const {
+        return mClient->querySupportedParams(params);
+    }
+
+    virtual c2_status_t querySupportedValues_sm(
+            std::vector<C2FieldSupportedValuesQuery> &fields) const {
+        return mClient->querySupportedValues(fields, C2_MAY_BLOCK);
+    }
+
+    virtual C2String getName() const {
+        return mClient->getName();
+    }
+
+    virtual std::shared_ptr<C2ParamReflector> getParamReflector() const {
+        return mClient->getParamReflector();
+    }
+
+    virtual std::vector<std::shared_ptr<const C2Component::Traits>> listComponents() {
+        return std::vector<std::shared_ptr<const C2Component::Traits>>();
+    }
+};
+
+}  // namespace
+
+// CCodec::ClientListener
+
+struct CCodec::ClientListener : public Codec2Client::Listener {
+
+    explicit ClientListener(const wp<CCodec> &codec) : mCodec(codec) {}
+
+    virtual void onWorkDone(
+            const std::weak_ptr<Codec2Client::Component>& component,
+            std::list<std::unique_ptr<C2Work>>& workItems,
+            size_t numDiscardedInputBuffers) override {
+        (void)component;
+        sp<CCodec> codec(mCodec.promote());
+        if (!codec) {
+            return;
+        }
+        codec->onWorkDone(workItems, numDiscardedInputBuffers);
+    }
+
+    virtual void onTripped(
+            const std::weak_ptr<Codec2Client::Component>& component,
+            const std::vector<std::shared_ptr<C2SettingResult>>& settingResult
+            ) override {
+        // TODO
+        (void)component;
+        (void)settingResult;
+    }
+
+    virtual void onError(
+            const std::weak_ptr<Codec2Client::Component>& component,
+            uint32_t errorCode) override {
+        // TODO
+        (void)component;
+        (void)errorCode;
+    }
+
+    virtual void onDeath(
+            const std::weak_ptr<Codec2Client::Component>& component) override {
+        { // Log the death of the component.
+            std::shared_ptr<Codec2Client::Component> comp = component.lock();
+            if (!comp) {
+                ALOGE("Codec2 component died.");
+            } else {
+                ALOGE("Codec2 component \"%s\" died.", comp->getName().c_str());
+            }
+        }
+
+        // Report to MediaCodec.
+        sp<CCodec> codec(mCodec.promote());
+        if (!codec || !codec->mCallback) {
+            return;
+        }
+        codec->mCallback->onError(DEAD_OBJECT, ACTION_CODE_FATAL);
+    }
+
+    virtual void onFramesRendered(
+            const std::vector<RenderedFrame>& renderedFrames) override {
+        // TODO
+        (void)renderedFrames;
+    }
+
+    virtual void onInputBufferDone(
+            const std::shared_ptr<C2Buffer>& buffer) override {
+        sp<CCodec> codec(mCodec.promote());
+        if (codec) {
+            codec->onInputBufferDone(buffer);
+        }
+    }
+
+private:
+    wp<CCodec> mCodec;
+};
+
+// CCodecCallbackImpl
+
+class CCodecCallbackImpl : public CCodecCallback {
+public:
+    explicit CCodecCallbackImpl(CCodec *codec) : mCodec(codec) {}
+    ~CCodecCallbackImpl() override = default;
+
+    void onError(status_t err, enum ActionCode actionCode) override {
+        mCodec->mCallback->onError(err, actionCode);
+    }
+
+    void onOutputFramesRendered(int64_t mediaTimeUs, nsecs_t renderTimeNs) override {
+        mCodec->mCallback->onOutputFramesRendered(
+                {RenderedFrameInfo(mediaTimeUs, renderTimeNs)});
+    }
+
+    void onWorkQueued(bool eos) override {
+        mCodec->onWorkQueued(eos);
+    }
+
+    void onOutputBuffersChanged() override {
+        mCodec->mCallback->onOutputBuffersChanged();
+    }
+
+private:
+    CCodec *mCodec;
+};
+
+// CCodec
+
+CCodec::CCodec()
+    : mChannel(new CCodecBufferChannel(std::make_shared<CCodecCallbackImpl>(this))),
+      mQueuedWorkCount(0) {
+}
+
+CCodec::~CCodec() {
+}
+
+std::shared_ptr<BufferChannelBase> CCodec::getBufferChannel() {
+    return mChannel;
+}
+
+status_t CCodec::tryAndReportOnError(std::function<status_t()> job) {
+    status_t err = job();
+    if (err != C2_OK) {
+        mCallback->onError(err, ACTION_CODE_FATAL);
+    }
+    return err;
+}
+
+void CCodec::initiateAllocateComponent(const sp<AMessage> &msg) {
+    auto setAllocating = [this] {
+        Mutexed<State>::Locked state(mState);
+        if (state->get() != RELEASED) {
+            return INVALID_OPERATION;
+        }
+        state->set(ALLOCATING);
+        return OK;
+    };
+    if (tryAndReportOnError(setAllocating) != OK) {
+        return;
+    }
+
+    sp<RefBase> codecInfo;
+    CHECK(msg->findObject("codecInfo", &codecInfo));
+    // For Codec 2.0 components, componentName == codecInfo->getCodecName().
+
+    sp<AMessage> allocMsg(new AMessage(kWhatAllocate, this));
+    allocMsg->setObject("codecInfo", codecInfo);
+    allocMsg->post();
+}
+
+void CCodec::allocate(const sp<MediaCodecInfo> &codecInfo) {
+    if (codecInfo == nullptr) {
+        mCallback->onError(UNKNOWN_ERROR, ACTION_CODE_FATAL);
+        return;
+    }
+    ALOGD("allocate(%s)", codecInfo->getCodecName());
+    mClientListener.reset(new ClientListener(this));
+
+    AString componentName = codecInfo->getCodecName();
+    std::shared_ptr<Codec2Client> client;
+
+    // set up preferred component store to access vendor store parameters
+    client = Codec2Client::CreateFromService("default", false);
+    if (client) {
+        ALOGI("setting up '%s' as default (vendor) store", client->getInstanceName().c_str());
+        SetPreferredCodec2ComponentStore(
+                std::make_shared<Codec2ClientInterfaceWrapper>(client));
+    }
+
+    std::shared_ptr<Codec2Client::Component> comp =
+            Codec2Client::CreateComponentByName(
+            componentName.c_str(),
+            mClientListener,
+            &client);
+    if (!comp) {
+        ALOGE("Failed Create component: %s", componentName.c_str());
+        Mutexed<State>::Locked state(mState);
+        state->set(RELEASED);
+        state.unlock();
+        mCallback->onError(UNKNOWN_ERROR, ACTION_CODE_FATAL);
+        state.lock();
+        return;
+    }
+    ALOGI("Created component [%s]", componentName.c_str());
+    mChannel->setComponent(comp);
+    auto setAllocated = [this, comp, client] {
+        Mutexed<State>::Locked state(mState);
+        if (state->get() != ALLOCATING) {
+            state->set(RELEASED);
+            return UNKNOWN_ERROR;
+        }
+        state->set(ALLOCATED);
+        state->comp = comp;
+        mClient = client;
+        return OK;
+    };
+    if (tryAndReportOnError(setAllocated) != OK) {
+        return;
+    }
+
+    // initialize config here in case setParameters is called prior to configure
+    Mutexed<Config>::Locked config(mConfig);
+    status_t err = config->initialize(mClient, comp);
+    if (err != OK) {
+        ALOGW("Failed to initialize configuration support");
+        // TODO: report error once we complete implementation.
+    }
+    config->queryConfiguration(comp);
+
+    mCallback->onComponentAllocated(componentName.c_str());
+}
+
+void CCodec::initiateConfigureComponent(const sp<AMessage> &format) {
+    auto checkAllocated = [this] {
+        Mutexed<State>::Locked state(mState);
+        return (state->get() != ALLOCATED) ? UNKNOWN_ERROR : OK;
+    };
+    if (tryAndReportOnError(checkAllocated) != OK) {
+        return;
+    }
+
+    sp<AMessage> msg(new AMessage(kWhatConfigure, this));
+    msg->setMessage("format", format);
+    msg->post();
+}
+
+void CCodec::configure(const sp<AMessage> &msg) {
+    std::shared_ptr<Codec2Client::Component> comp;
+    auto checkAllocated = [this, &comp] {
+        Mutexed<State>::Locked state(mState);
+        if (state->get() != ALLOCATED) {
+            state->set(RELEASED);
+            return UNKNOWN_ERROR;
+        }
+        comp = state->comp;
+        return OK;
+    };
+    if (tryAndReportOnError(checkAllocated) != OK) {
+        return;
+    }
+
+    auto doConfig = [msg, comp, this]() -> status_t {
+        AString mime;
+        if (!msg->findString("mime", &mime)) {
+            return BAD_VALUE;
+        }
+
+        int32_t encoder;
+        if (!msg->findInt32("encoder", &encoder)) {
+            encoder = false;
+        }
+
+        // TODO: read from intf()
+        if ((!encoder) != (comp->getName().find("encoder") == std::string::npos)) {
+            return UNKNOWN_ERROR;
+        }
+
+        int32_t storeMeta;
+        if (encoder
+                && msg->findInt32("android._input-metadata-buffer-type", &storeMeta)
+                && storeMeta != kMetadataBufferTypeInvalid) {
+            if (storeMeta != kMetadataBufferTypeANWBuffer) {
+                ALOGD("Only ANW buffers are supported for legacy metadata mode");
+                return BAD_VALUE;
+            }
+            mChannel->setMetaMode(CCodecBufferChannel::MODE_ANW);
+        }
+
+        sp<RefBase> obj;
+        sp<Surface> surface;
+        if (msg->findObject("native-window", &obj)) {
+            surface = static_cast<Surface *>(obj.get());
+            setSurface(surface);
+        }
+
+        Mutexed<Config>::Locked config(mConfig);
+        config->mUsingSurface = surface != nullptr;
+
+        /*
+         * Handle input surface configuration
+         */
+        if ((config->mDomain & (Config::IS_VIDEO | Config::IS_IMAGE))
+                && (config->mDomain & Config::IS_ENCODER)) {
+            config->mISConfig.reset(new InputSurfaceWrapper::Config{});
+            {
+                config->mISConfig->mMinFps = 0;
+                int64_t value;
+                if (msg->findInt64("repeat-previous-frame-after", &value) && value > 0) {
+                    config->mISConfig->mMinFps = 1e6 / value;
+                }
+                (void)msg->findFloat("max-fps-to-encoder", &config->mISConfig->mMaxFps);
+                config->mISConfig->mMinAdjustedFps = 0;
+                config->mISConfig->mFixedAdjustedFps = 0;
+                if (msg->findInt64("max-pts-gap-to-encoder", &value)) {
+                    if (value < 0 && value >= INT32_MIN) {
+                        config->mISConfig->mFixedAdjustedFps = -1e6 / value;
+                    } else if (value > 0 && value <= INT32_MAX) {
+                        config->mISConfig->mMinAdjustedFps = 1e6 / value;
+                    }
+                }
+            }
+
+            {
+                double value;
+                if (msg->findDouble("time-lapse-fps", &value)) {
+                    config->mISConfig->mCaptureFps = value;
+                    (void)msg->findAsFloat(KEY_FRAME_RATE, &config->mISConfig->mCodedFps);
+                }
+            }
+
+            {
+                config->mISConfig->mSuspended = false;
+                config->mISConfig->mSuspendAtUs = -1;
+                int32_t value;
+                if (msg->findInt32("create-input-buffers-suspended", &value) && value) {
+                    config->mISConfig->mSuspended = true;
+                }
+            }
+        }
+
+        /*
+         * Handle desired color format.
+         */
+        if ((config->mDomain & (Config::IS_VIDEO | Config::IS_IMAGE))) {
+            int32_t format = -1;
+            if (!msg->findInt32(KEY_COLOR_FORMAT, &format)) {
+                /*
+                 * Also handle default color format (encoders require color format, so this is only
+                 * needed for decoders.
+                 */
+                if (!(config->mDomain & Config::IS_ENCODER)) {
+                    format = (surface == nullptr) ? COLOR_FormatYUV420Planar : COLOR_FormatSurface;
+                }
+            }
+
+            if (format >= 0) {
+                msg->setInt32("android._color-format", format);
+            }
+        }
+
+        std::vector<std::unique_ptr<C2Param>> configUpdate;
+        status_t err = config->getConfigUpdateFromSdkParams(
+                comp, msg, Config::IS_CONFIG, C2_DONT_BLOCK, &configUpdate);
+        if (err != OK) {
+            ALOGW("failed to convert configuration to c2 params");
+        }
+        err = config->setParameters(comp, configUpdate, C2_DONT_BLOCK);
+        if (err != OK) {
+            ALOGW("failed to configure c2 params");
+            return err;
+        }
+
+        std::vector<std::unique_ptr<C2Param>> params;
+        C2StreamUsageTuning::input usage(0u, 0u);
+        C2StreamMaxBufferSizeInfo::input maxInputSize(0u, 0u);
+
+        std::initializer_list<C2Param::Index> indices {
+        };
+        c2_status_t c2err = comp->query(
+                { &usage, &maxInputSize },
+                indices,
+                C2_DONT_BLOCK,
+                &params);
+        if (c2err != C2_OK && c2err != C2_BAD_INDEX) {
+            ALOGE("Failed to query component interface: %d", c2err);
+            return UNKNOWN_ERROR;
+        }
+        if (params.size() != indices.size()) {
+            ALOGE("Component returns wrong number of params: expected %zu actual %zu",
+                    indices.size(), params.size());
+            return UNKNOWN_ERROR;
+        }
+        if (usage && (usage.value & C2MemoryUsage::CPU_READ)) {
+            config->mInputFormat->setInt32("using-sw-read-often", true);
+        }
+
+        // NOTE: we don't blindly use client specified input size if specified as clients
+        // at times specify too small size. Instead, mimic the behavior from OMX, where the
+        // client specified size is only used to ask for bigger buffers than component suggested
+        // size.
+        int32_t clientInputSize = 0;
+        bool clientSpecifiedInputSize =
+            msg->findInt32(KEY_MAX_INPUT_SIZE, &clientInputSize) && clientInputSize > 0;
+        // TEMP: enforce minimum buffer size of 1MB for video decoders
+        // and 16K / 4K for audio encoders/decoders
+        if (maxInputSize.value == 0) {
+            if (config->mDomain & Config::IS_AUDIO) {
+                maxInputSize.value = encoder ? 16384 : 4096;
+            } else if (!encoder) {
+                maxInputSize.value = 1048576u;
+            }
+        }
+
+        // verify that CSD fits into this size (if defined)
+        if ((config->mDomain & Config::IS_DECODER) && maxInputSize.value > 0) {
+            sp<ABuffer> csd;
+            for (size_t ix = 0; msg->findBuffer(StringPrintf("csd-%zu", ix).c_str(), &csd); ++ix) {
+                if (csd && csd->size() > maxInputSize.value) {
+                    maxInputSize.value = csd->size();
+                }
+            }
+        }
+
+        // TODO: do this based on component requiring linear allocator for input
+        if ((config->mDomain & Config::IS_DECODER) || (config->mDomain & Config::IS_AUDIO)) {
+            if (clientSpecifiedInputSize) {
+                // Warn that we're overriding client's max input size if necessary.
+                if ((uint32_t)clientInputSize < maxInputSize.value) {
+                    ALOGD("client requested max input size %d, which is smaller than "
+                          "what component recommended (%u); overriding with component "
+                          "recommendation.", clientInputSize, maxInputSize.value);
+                    ALOGW("This behavior is subject to change. It is recommended that "
+                          "app developers double check whether the requested "
+                          "max input size is in reasonable range.");
+                } else {
+                    maxInputSize.value = clientInputSize;
+                }
+            }
+            // Pass max input size on input format to the buffer channel (if supplied by the
+            // component or by a default)
+            if (maxInputSize.value) {
+                config->mInputFormat->setInt32(
+                        KEY_MAX_INPUT_SIZE,
+                        (int32_t)(c2_min(maxInputSize.value, uint32_t(INT32_MAX))));
+            }
+        }
+
+        if ((config->mDomain & (Config::IS_VIDEO | Config::IS_IMAGE))) {
+            // propagate HDR static info to output format for both encoders and decoders
+            // if component supports this info, we will update from component, but only the raw port,
+            // so don't propagate if component already filled it in.
+            sp<ABuffer> hdrInfo;
+            if (msg->findBuffer(KEY_HDR_STATIC_INFO, &hdrInfo)
+                    && !config->mOutputFormat->findBuffer(KEY_HDR_STATIC_INFO, &hdrInfo)) {
+                config->mOutputFormat->setBuffer(KEY_HDR_STATIC_INFO, hdrInfo);
+            }
+
+            // Set desired color format from configuration parameter
+            int32_t format;
+            if (msg->findInt32("android._color-format", &format)) {
+                if (config->mDomain & Config::IS_ENCODER) {
+                    config->mInputFormat->setInt32(KEY_COLOR_FORMAT, format);
+                } else {
+                    config->mOutputFormat->setInt32(KEY_COLOR_FORMAT, format);
+                }
+            }
+        }
+
+        // propagate encoder delay and padding to output format
+        if ((config->mDomain & Config::IS_DECODER) && (config->mDomain & Config::IS_AUDIO)) {
+            int delay = 0;
+            if (msg->findInt32("encoder-delay", &delay)) {
+                config->mOutputFormat->setInt32("encoder-delay", delay);
+            }
+            int padding = 0;
+            if (msg->findInt32("encoder-padding", &padding)) {
+                config->mOutputFormat->setInt32("encoder-padding", padding);
+            }
+        }
+
+        // set channel-mask
+        if (config->mDomain & Config::IS_AUDIO) {
+            int32_t mask;
+            if (msg->findInt32(KEY_CHANNEL_MASK, &mask)) {
+                if (config->mDomain & Config::IS_ENCODER) {
+                    config->mInputFormat->setInt32(KEY_CHANNEL_MASK, mask);
+                } else {
+                    config->mOutputFormat->setInt32(KEY_CHANNEL_MASK, mask);
+                }
+            }
+        }
+
+        ALOGD("setup formats input: %s and output: %s",
+                config->mInputFormat->debugString().c_str(),
+                config->mOutputFormat->debugString().c_str());
+        return OK;
+    };
+    if (tryAndReportOnError(doConfig) != OK) {
+        return;
+    }
+
+    Mutexed<Config>::Locked config(mConfig);
+
+    mCallback->onComponentConfigured(config->mInputFormat, config->mOutputFormat);
+}
+
+void CCodec::initiateCreateInputSurface() {
+    status_t err = [this] {
+        Mutexed<State>::Locked state(mState);
+        if (state->get() != ALLOCATED) {
+            return UNKNOWN_ERROR;
+        }
+        // TODO: read it from intf() properly.
+        if (state->comp->getName().find("encoder") == std::string::npos) {
+            return INVALID_OPERATION;
+        }
+        return OK;
+    }();
+    if (err != OK) {
+        mCallback->onInputSurfaceCreationFailed(err);
+        return;
+    }
+
+    (new AMessage(kWhatCreateInputSurface, this))->post();
+}
+
+void CCodec::createInputSurface() {
+    status_t err;
+    sp<IGraphicBufferProducer> bufferProducer;
+
+    sp<AMessage> inputFormat;
+    sp<AMessage> outputFormat;
+    {
+        Mutexed<Config>::Locked config(mConfig);
+        inputFormat = config->mInputFormat;
+        outputFormat = config->mOutputFormat;
+    }
+
+    std::shared_ptr<PersistentSurface> persistentSurface(CreateInputSurface());
+
+    if (persistentSurface->getHidlTarget()) {
+        sp<IInputSurface> inputSurface = IInputSurface::castFrom(
+                persistentSurface->getHidlTarget());
+        if (!inputSurface) {
+            ALOGE("Corrupted input surface");
+            mCallback->onInputSurfaceCreationFailed(UNKNOWN_ERROR);
+            return;
+        }
+        err = setupInputSurface(std::make_shared<C2InputSurfaceWrapper>(
+                std::make_shared<Codec2Client::InputSurface>(inputSurface)));
+        bufferProducer = new H2BGraphicBufferProducer(inputSurface);
+    } else {
+        int32_t width = 0;
+        (void)outputFormat->findInt32("width", &width);
+        int32_t height = 0;
+        (void)outputFormat->findInt32("height", &height);
+        err = setupInputSurface(std::make_shared<GraphicBufferSourceWrapper>(
+                persistentSurface->getBufferSource(), width, height));
+        bufferProducer = persistentSurface->getBufferProducer();
+    }
+
+    if (err != OK) {
+        ALOGE("Failed to set up input surface: %d", err);
+        mCallback->onInputSurfaceCreationFailed(err);
+        return;
+    }
+
+    mCallback->onInputSurfaceCreated(
+            inputFormat,
+            outputFormat,
+            new BufferProducerWrapper(bufferProducer));
+}
+
+status_t CCodec::setupInputSurface(const std::shared_ptr<InputSurfaceWrapper> &surface) {
+    Mutexed<Config>::Locked config(mConfig);
+    config->mUsingSurface = true;
+
+    // we are now using surface - apply default color aspects to input format - as well as
+    // get dataspace
+    bool inputFormatChanged = config->updateFormats(config->IS_INPUT);
+    ALOGD("input format %s to %s",
+            inputFormatChanged ? "changed" : "unchanged",
+            config->mInputFormat->debugString().c_str());
+
+    // configure dataspace
+    static_assert(sizeof(int32_t) == sizeof(android_dataspace), "dataspace size mismatch");
+    android_dataspace dataSpace = HAL_DATASPACE_UNKNOWN;
+    (void)config->mInputFormat->findInt32("android._dataspace", (int32_t*)&dataSpace);
+    surface->setDataSpace(dataSpace);
+
+    status_t err = mChannel->setInputSurface(surface);
+    if (err != OK) {
+        // undo input format update
+        config->mUsingSurface = false;
+        (void)config->updateFormats(config->IS_INPUT);
+        return err;
+    }
+    config->mInputSurface = surface;
+
+    if (config->mISConfig) {
+        surface->configure(*config->mISConfig);
+    } else {
+        ALOGD("ISConfig: no configuration");
+    }
+
+    return surface->start();
+}
+
+void CCodec::initiateSetInputSurface(const sp<PersistentSurface> &surface) {
+    sp<AMessage> msg = new AMessage(kWhatSetInputSurface, this);
+    msg->setObject("surface", surface);
+    msg->post();
+}
+
+void CCodec::setInputSurface(const sp<PersistentSurface> &surface) {
+    sp<AMessage> inputFormat;
+    sp<AMessage> outputFormat;
+    {
+        Mutexed<Config>::Locked config(mConfig);
+        inputFormat = config->mInputFormat;
+        outputFormat = config->mOutputFormat;
+    }
+    auto hidlTarget = surface->getHidlTarget();
+    if (hidlTarget) {
+        sp<IInputSurface> inputSurface =
+                IInputSurface::castFrom(hidlTarget);
+        if (!inputSurface) {
+            ALOGE("Failed to set input surface: Corrupted surface.");
+            mCallback->onInputSurfaceDeclined(UNKNOWN_ERROR);
+            return;
+        }
+        status_t err = setupInputSurface(std::make_shared<C2InputSurfaceWrapper>(
+                std::make_shared<Codec2Client::InputSurface>(inputSurface)));
+        if (err != OK) {
+            ALOGE("Failed to set up input surface: %d", err);
+            mCallback->onInputSurfaceDeclined(err);
+            return;
+        }
+    } else {
+        int32_t width = 0;
+        (void)outputFormat->findInt32("width", &width);
+        int32_t height = 0;
+        (void)outputFormat->findInt32("height", &height);
+        status_t err = setupInputSurface(std::make_shared<GraphicBufferSourceWrapper>(
+                surface->getBufferSource(), width, height));
+        if (err != OK) {
+            ALOGE("Failed to set up input surface: %d", err);
+            mCallback->onInputSurfaceDeclined(err);
+            return;
+        }
+    }
+    mCallback->onInputSurfaceAccepted(inputFormat, outputFormat);
+}
+
+void CCodec::initiateStart() {
+    auto setStarting = [this] {
+        Mutexed<State>::Locked state(mState);
+        if (state->get() != ALLOCATED) {
+            return UNKNOWN_ERROR;
+        }
+        state->set(STARTING);
+        return OK;
+    };
+    if (tryAndReportOnError(setStarting) != OK) {
+        return;
+    }
+
+    (new AMessage(kWhatStart, this))->post();
+}
+
+void CCodec::start() {
+    std::shared_ptr<Codec2Client::Component> comp;
+    auto checkStarting = [this, &comp] {
+        Mutexed<State>::Locked state(mState);
+        if (state->get() != STARTING) {
+            return UNKNOWN_ERROR;
+        }
+        comp = state->comp;
+        return OK;
+    };
+    if (tryAndReportOnError(checkStarting) != OK) {
+        return;
+    }
+
+    c2_status_t err = comp->start();
+    if (err != C2_OK) {
+        mCallback->onError(toStatusT(err, C2_OPERATION_Component_start),
+                           ACTION_CODE_FATAL);
+        return;
+    }
+    sp<AMessage> inputFormat;
+    sp<AMessage> outputFormat;
+    {
+        Mutexed<Config>::Locked config(mConfig);
+        inputFormat = config->mInputFormat;
+        outputFormat = config->mOutputFormat;
+    }
+    status_t err2 = mChannel->start(inputFormat, outputFormat);
+    if (err2 != OK) {
+        mCallback->onError(err2, ACTION_CODE_FATAL);
+        return;
+    }
+
+    auto setRunning = [this] {
+        Mutexed<State>::Locked state(mState);
+        if (state->get() != STARTING) {
+            return UNKNOWN_ERROR;
+        }
+        state->set(RUNNING);
+        return OK;
+    };
+    if (tryAndReportOnError(setRunning) != OK) {
+        return;
+    }
+    mCallback->onStartCompleted();
+
+    (void)mChannel->requestInitialInputBuffers();
+}
+
+void CCodec::initiateShutdown(bool keepComponentAllocated) {
+    if (keepComponentAllocated) {
+        initiateStop();
+    } else {
+        initiateRelease();
+    }
+}
+
+void CCodec::initiateStop() {
+    {
+        Mutexed<State>::Locked state(mState);
+        if (state->get() == ALLOCATED
+                || state->get()  == RELEASED
+                || state->get() == STOPPING
+                || state->get() == RELEASING) {
+            // We're already stopped, released, or doing it right now.
+            state.unlock();
+            mCallback->onStopCompleted();
+            state.lock();
+            return;
+        }
+        state->set(STOPPING);
+    }
+
+    mChannel->stop();
+    (new AMessage(kWhatStop, this))->post();
+}
+
+void CCodec::stop() {
+    std::shared_ptr<Codec2Client::Component> comp;
+    {
+        Mutexed<State>::Locked state(mState);
+        if (state->get() == RELEASING) {
+            state.unlock();
+            // We're already stopped or release is in progress.
+            mCallback->onStopCompleted();
+            state.lock();
+            return;
+        } else if (state->get() != STOPPING) {
+            state.unlock();
+            mCallback->onError(UNKNOWN_ERROR, ACTION_CODE_FATAL);
+            state.lock();
+            return;
+        }
+        comp = state->comp;
+    }
+    status_t err = comp->stop();
+    if (err != C2_OK) {
+        // TODO: convert err into status_t
+        mCallback->onError(UNKNOWN_ERROR, ACTION_CODE_FATAL);
+    }
+
+    {
+        Mutexed<State>::Locked state(mState);
+        if (state->get() == STOPPING) {
+            state->set(ALLOCATED);
+        }
+    }
+    mCallback->onStopCompleted();
+}
+
+void CCodec::initiateRelease(bool sendCallback /* = true */) {
+    {
+        Mutexed<State>::Locked state(mState);
+        if (state->get() == RELEASED || state->get() == RELEASING) {
+            // We're already released or doing it right now.
+            if (sendCallback) {
+                state.unlock();
+                mCallback->onReleaseCompleted();
+                state.lock();
+            }
+            return;
+        }
+        if (state->get() == ALLOCATING) {
+            state->set(RELEASING);
+            // With the altered state allocate() would fail and clean up.
+            if (sendCallback) {
+                state.unlock();
+                mCallback->onReleaseCompleted();
+                state.lock();
+            }
+            return;
+        }
+        state->set(RELEASING);
+    }
+
+    mChannel->stop();
+    // thiz holds strong ref to this while the thread is running.
+    sp<CCodec> thiz(this);
+    std::thread([thiz, sendCallback] { thiz->release(sendCallback); }).detach();
+}
+
+void CCodec::release(bool sendCallback) {
+    std::shared_ptr<Codec2Client::Component> comp;
+    {
+        Mutexed<State>::Locked state(mState);
+        if (state->get() == RELEASED) {
+            if (sendCallback) {
+                state.unlock();
+                mCallback->onReleaseCompleted();
+                state.lock();
+            }
+            return;
+        }
+        comp = state->comp;
+    }
+    comp->release();
+
+    {
+        Mutexed<State>::Locked state(mState);
+        state->set(RELEASED);
+        state->comp.reset();
+    }
+    if (sendCallback) {
+        mCallback->onReleaseCompleted();
+    }
+}
+
+status_t CCodec::setSurface(const sp<Surface> &surface) {
+    return mChannel->setSurface(surface);
+}
+
+void CCodec::signalFlush() {
+    status_t err = [this] {
+        Mutexed<State>::Locked state(mState);
+        if (state->get() == FLUSHED) {
+            return ALREADY_EXISTS;
+        }
+        if (state->get() != RUNNING) {
+            return UNKNOWN_ERROR;
+        }
+        state->set(FLUSHING);
+        return OK;
+    }();
+    switch (err) {
+        case ALREADY_EXISTS:
+            mCallback->onFlushCompleted();
+            return;
+        case OK:
+            break;
+        default:
+            mCallback->onError(err, ACTION_CODE_FATAL);
+            return;
+    }
+
+    mChannel->stop();
+    (new AMessage(kWhatFlush, this))->post();
+}
+
+void CCodec::flush() {
+    std::shared_ptr<Codec2Client::Component> comp;
+    auto checkFlushing = [this, &comp] {
+        Mutexed<State>::Locked state(mState);
+        if (state->get() != FLUSHING) {
+            return UNKNOWN_ERROR;
+        }
+        comp = state->comp;
+        return OK;
+    };
+    if (tryAndReportOnError(checkFlushing) != OK) {
+        return;
+    }
+
+    std::list<std::unique_ptr<C2Work>> flushedWork;
+    c2_status_t err = comp->flush(C2Component::FLUSH_COMPONENT, &flushedWork);
+    {
+        Mutexed<std::list<std::unique_ptr<C2Work>>>::Locked queue(mWorkDoneQueue);
+        flushedWork.splice(flushedWork.end(), *queue);
+    }
+    if (err != C2_OK) {
+        // TODO: convert err into status_t
+        mCallback->onError(UNKNOWN_ERROR, ACTION_CODE_FATAL);
+    }
+
+    mChannel->flush(flushedWork);
+    subQueuedWorkCount(flushedWork.size());
+
+    {
+        Mutexed<State>::Locked state(mState);
+        state->set(FLUSHED);
+    }
+    mCallback->onFlushCompleted();
+}
+
+void CCodec::signalResume() {
+    auto setResuming = [this] {
+        Mutexed<State>::Locked state(mState);
+        if (state->get() != FLUSHED) {
+            return UNKNOWN_ERROR;
+        }
+        state->set(RESUMING);
+        return OK;
+    };
+    if (tryAndReportOnError(setResuming) != OK) {
+        return;
+    }
+
+    (void)mChannel->start(nullptr, nullptr);
+
+    {
+        Mutexed<State>::Locked state(mState);
+        if (state->get() != RESUMING) {
+            state.unlock();
+            mCallback->onError(UNKNOWN_ERROR, ACTION_CODE_FATAL);
+            state.lock();
+            return;
+        }
+        state->set(RUNNING);
+    }
+
+    (void)mChannel->requestInitialInputBuffers();
+}
+
+void CCodec::signalSetParameters(const sp<AMessage> &params) {
+    sp<AMessage> msg = new AMessage(kWhatSetParameters, this);
+    msg->setMessage("params", params);
+    msg->post();
+}
+
+void CCodec::setParameters(const sp<AMessage> &params) {
+    std::shared_ptr<Codec2Client::Component> comp;
+    auto checkState = [this, &comp] {
+        Mutexed<State>::Locked state(mState);
+        if (state->get() == RELEASED) {
+            return INVALID_OPERATION;
+        }
+        comp = state->comp;
+        return OK;
+    };
+    if (tryAndReportOnError(checkState) != OK) {
+        return;
+    }
+
+    Mutexed<Config>::Locked config(mConfig);
+
+    /**
+     * Handle input surface parameters
+     */
+    if ((config->mDomain & (Config::IS_VIDEO | Config::IS_IMAGE))
+            && (config->mDomain & Config::IS_ENCODER) && config->mInputSurface && config->mISConfig) {
+        (void)params->findInt64("time-offset-us", &config->mISConfig->mTimeOffsetUs);
+
+        if (params->findInt64("skip-frames-before", &config->mISConfig->mStartAtUs)) {
+            config->mISConfig->mStopped = false;
+        } else if (params->findInt64("stop-time-us", &config->mISConfig->mStopAtUs)) {
+            config->mISConfig->mStopped = true;
+        }
+
+        int32_t value;
+        if (params->findInt32("drop-input-frames", &value)) {
+            config->mISConfig->mSuspended = value;
+            config->mISConfig->mSuspendAtUs = -1;
+            (void)params->findInt64("drop-start-time-us", &config->mISConfig->mSuspendAtUs);
+        }
+
+        (void)config->mInputSurface->configure(*config->mISConfig);
+        if (config->mISConfig->mStopped) {
+            config->mInputFormat->setInt64(
+                    "android._stop-time-offset-us", config->mISConfig->mInputDelayUs);
+        }
+    }
+
+    std::vector<std::unique_ptr<C2Param>> configUpdate;
+    (void)config->getConfigUpdateFromSdkParams(
+            comp, params, Config::IS_PARAM, C2_MAY_BLOCK, &configUpdate);
+    // Prefer to pass parameters to the buffer channel, so they can be synchronized with the frames.
+    // Parameter synchronization is not defined when using input surface. For now, route
+    // these directly to the component.
+    if (config->mInputSurface == nullptr
+            && (property_get_bool("debug.stagefright.ccodec_delayed_params", false)
+                    || comp->getName().find("c2.android.") == 0)) {
+        mChannel->setParameters(configUpdate);
+    } else {
+        (void)config->setParameters(comp, configUpdate, C2_MAY_BLOCK);
+    }
+}
+
+void CCodec::signalEndOfInputStream() {
+    mCallback->onSignaledInputEOS(mChannel->signalEndOfInputStream());
+}
+
+void CCodec::signalRequestIDRFrame() {
+    std::shared_ptr<Codec2Client::Component> comp;
+    {
+        Mutexed<State>::Locked state(mState);
+        if (state->get() == RELEASED) {
+            ALOGD("no IDR request sent since component is released");
+            return;
+        }
+        comp = state->comp;
+    }
+    ALOGV("request IDR");
+    Mutexed<Config>::Locked config(mConfig);
+    std::vector<std::unique_ptr<C2Param>> params;
+    params.push_back(
+            std::make_unique<C2StreamRequestSyncFrameTuning::output>(0u, true));
+    config->setParameters(comp, params, C2_MAY_BLOCK);
+}
+
+void CCodec::onWorkDone(std::list<std::unique_ptr<C2Work>> &workItems,
+                        size_t numDiscardedInputBuffers) {
+    if (!workItems.empty()) {
+        {
+            Mutexed<std::list<size_t>>::Locked numDiscardedInputBuffersQueue(
+                    mNumDiscardedInputBuffersQueue);
+            numDiscardedInputBuffersQueue->insert(
+                    numDiscardedInputBuffersQueue->end(),
+                    workItems.size() - 1, 0);
+            numDiscardedInputBuffersQueue->emplace_back(
+                    numDiscardedInputBuffers);
+        }
+        {
+            Mutexed<std::list<std::unique_ptr<C2Work>>>::Locked queue(mWorkDoneQueue);
+            queue->splice(queue->end(), workItems);
+        }
+    }
+    (new AMessage(kWhatWorkDone, this))->post();
+}
+
+void CCodec::onInputBufferDone(const std::shared_ptr<C2Buffer>& buffer) {
+    mChannel->onInputBufferDone(buffer);
+}
+
+void CCodec::onMessageReceived(const sp<AMessage> &msg) {
+    TimePoint now = std::chrono::steady_clock::now();
+    CCodecWatchdog::getInstance()->watch(this);
+    switch (msg->what()) {
+        case kWhatAllocate: {
+            // C2ComponentStore::createComponent() should return within 100ms.
+            setDeadline(now, 150ms, "allocate");
+            sp<RefBase> obj;
+            CHECK(msg->findObject("codecInfo", &obj));
+            allocate((MediaCodecInfo *)obj.get());
+            break;
+        }
+        case kWhatConfigure: {
+            // C2Component::commit_sm() should return within 5ms.
+            setDeadline(now, 250ms, "configure");
+            sp<AMessage> format;
+            CHECK(msg->findMessage("format", &format));
+            configure(format);
+            break;
+        }
+        case kWhatStart: {
+            // C2Component::start() should return within 500ms.
+            setDeadline(now, 550ms, "start");
+            mQueuedWorkCount = 0;
+            start();
+            break;
+        }
+        case kWhatStop: {
+            // C2Component::stop() should return within 500ms.
+            setDeadline(now, 550ms, "stop");
+            stop();
+
+            mQueuedWorkCount = 0;
+            Mutexed<NamedTimePoint>::Locked deadline(mQueueDeadline);
+            deadline->set(TimePoint::max(), "none");
+            break;
+        }
+        case kWhatFlush: {
+            // C2Component::flush_sm() should return within 5ms.
+            setDeadline(now, 50ms, "flush");
+            flush();
+            break;
+        }
+        case kWhatCreateInputSurface: {
+            // Surface operations may be briefly blocking.
+            setDeadline(now, 100ms, "createInputSurface");
+            createInputSurface();
+            break;
+        }
+        case kWhatSetInputSurface: {
+            // Surface operations may be briefly blocking.
+            setDeadline(now, 100ms, "setInputSurface");
+            sp<RefBase> obj;
+            CHECK(msg->findObject("surface", &obj));
+            sp<PersistentSurface> surface(static_cast<PersistentSurface *>(obj.get()));
+            setInputSurface(surface);
+            break;
+        }
+        case kWhatSetParameters: {
+            setDeadline(now, 50ms, "setParameters");
+            sp<AMessage> params;
+            CHECK(msg->findMessage("params", &params));
+            setParameters(params);
+            break;
+        }
+        case kWhatWorkDone: {
+            std::unique_ptr<C2Work> work;
+            size_t numDiscardedInputBuffers;
+            bool shouldPost = false;
+            {
+                Mutexed<std::list<std::unique_ptr<C2Work>>>::Locked queue(mWorkDoneQueue);
+                if (queue->empty()) {
+                    break;
+                }
+                work.swap(queue->front());
+                queue->pop_front();
+                shouldPost = !queue->empty();
+            }
+            {
+                Mutexed<std::list<size_t>>::Locked numDiscardedInputBuffersQueue(
+                        mNumDiscardedInputBuffersQueue);
+                if (numDiscardedInputBuffersQueue->empty()) {
+                    numDiscardedInputBuffers = 0;
+                } else {
+                    numDiscardedInputBuffers = numDiscardedInputBuffersQueue->front();
+                    numDiscardedInputBuffersQueue->pop_front();
+                }
+            }
+            if (shouldPost) {
+                (new AMessage(kWhatWorkDone, this))->post();
+            }
+
+            if (work->worklets.empty()
+                    || !(work->worklets.front()->output.flags & C2FrameData::FLAG_INCOMPLETE)) {
+                subQueuedWorkCount(1);
+            }
+            // handle configuration changes in work done
+            Mutexed<Config>::Locked config(mConfig);
+            bool changed = false;
+            Config::Watcher<C2StreamInitDataInfo::output> initData =
+                config->watch<C2StreamInitDataInfo::output>();
+            if (!work->worklets.empty()
+                    && (work->worklets.front()->output.flags
+                            & C2FrameData::FLAG_DISCARD_FRAME) == 0) {
+
+                // copy buffer info to config
+                std::vector<std::unique_ptr<C2Param>> updates =
+                    std::move(work->worklets.front()->output.configUpdate);
+                unsigned stream = 0;
+                for (const std::shared_ptr<C2Buffer> &buf : work->worklets.front()->output.buffers) {
+                    for (const std::shared_ptr<const C2Info> &info : buf->info()) {
+                        // move all info into output-stream #0 domain
+                        updates.emplace_back(C2Param::CopyAsStream(*info, true /* output */, stream));
+                    }
+                    for (const C2ConstGraphicBlock &block : buf->data().graphicBlocks()) {
+                        // ALOGV("got output buffer with crop %u,%u+%u,%u and size %u,%u",
+                        //      block.crop().left, block.crop().top,
+                        //      block.crop().width, block.crop().height,
+                        //      block.width(), block.height());
+                        updates.emplace_back(new C2StreamCropRectInfo::output(stream, block.crop()));
+                        updates.emplace_back(new C2StreamPictureSizeInfo::output(
+                                stream, block.width(), block.height()));
+                        break; // for now only do the first block
+                    }
+                    ++stream;
+                }
+
+                changed = config->updateConfiguration(updates, config->mOutputDomain);
+
+                // copy standard infos to graphic buffers if not already present (otherwise, we
+                // may overwrite the actual intermediate value with a final value)
+                stream = 0;
+                const static std::vector<C2Param::Index> stdGfxInfos = {
+                    C2StreamRotationInfo::output::PARAM_TYPE,
+                    C2StreamColorAspectsInfo::output::PARAM_TYPE,
+                    C2StreamDataSpaceInfo::output::PARAM_TYPE,
+                    C2StreamHdrStaticInfo::output::PARAM_TYPE,
+                    C2StreamPixelAspectRatioInfo::output::PARAM_TYPE,
+                    C2StreamSurfaceScalingInfo::output::PARAM_TYPE
+                };
+                for (const std::shared_ptr<C2Buffer> &buf : work->worklets.front()->output.buffers) {
+                    if (buf->data().graphicBlocks().size()) {
+                        for (C2Param::Index ix : stdGfxInfos) {
+                            if (!buf->hasInfo(ix)) {
+                                const C2Param *param =
+                                    config->getConfigParameterValue(ix.withStream(stream));
+                                if (param) {
+                                    std::shared_ptr<C2Param> info(C2Param::Copy(*param));
+                                    buf->setInfo(std::static_pointer_cast<C2Info>(info));
+                                }
+                            }
+                        }
+                    }
+                    ++stream;
+                }
+            }
+            mChannel->onWorkDone(
+                    std::move(work), changed ? config->mOutputFormat : nullptr,
+                    initData.hasChanged() ? initData.update().get() : nullptr,
+                    numDiscardedInputBuffers);
+            break;
+        }
+        case kWhatWatch: {
+            // watch message already posted; no-op.
+            break;
+        }
+        default: {
+            ALOGE("unrecognized message");
+            break;
+        }
+    }
+    setDeadline(TimePoint::max(), 0ms, "none");
+}
+
+void CCodec::setDeadline(
+        const TimePoint &now,
+        const std::chrono::milliseconds &timeout,
+        const char *name) {
+    int32_t mult = std::max(1, property_get_int32("debug.stagefright.ccodec_timeout_mult", 1));
+    Mutexed<NamedTimePoint>::Locked deadline(mDeadline);
+    deadline->set(now + (timeout * mult), name);
+}
+
+void CCodec::initiateReleaseIfStuck() {
+    std::string name;
+    bool pendingDeadline = false;
+    for (Mutexed<NamedTimePoint> *deadlinePtr : { &mDeadline, &mQueueDeadline, &mEosDeadline }) {
+        Mutexed<NamedTimePoint>::Locked deadline(*deadlinePtr);
+        if (deadline->get() < std::chrono::steady_clock::now()) {
+            name = deadline->getName();
+            break;
+        }
+        if (deadline->get() != TimePoint::max()) {
+            pendingDeadline = true;
+        }
+    }
+    if (name.empty()) {
+        // We're not stuck.
+        if (pendingDeadline) {
+            // If we are not stuck yet but still has deadline coming up,
+            // post watch message to check back later.
+            (new AMessage(kWhatWatch, this))->post();
+        }
+        return;
+    }
+
+    ALOGW("previous call to %s exceeded timeout", name.c_str());
+    initiateRelease(false);
+    mCallback->onError(UNKNOWN_ERROR, ACTION_CODE_FATAL);
+}
+
+void CCodec::onWorkQueued(bool eos) {
+    ALOGV("queued work count +1 from %d", mQueuedWorkCount.load());
+    int32_t count = ++mQueuedWorkCount;
+    if (eos) {
+        CCodecWatchdog::getInstance()->watch(this);
+        Mutexed<NamedTimePoint>::Locked deadline(mEosDeadline);
+        deadline->set(std::chrono::steady_clock::now() + 3s, "eos");
+    }
+    // TODO: query and use input/pipeline/output delay combined
+    if (count >= 8) {
+        CCodecWatchdog::getInstance()->watch(this);
+        Mutexed<NamedTimePoint>::Locked deadline(mQueueDeadline);
+        deadline->set(std::chrono::steady_clock::now() + 3s, "queue");
+    }
+}
+
+void CCodec::subQueuedWorkCount(uint32_t count) {
+    ALOGV("queued work count -%u from %d", count, mQueuedWorkCount.load());
+    int32_t currentCount = (mQueuedWorkCount -= count);
+    if (currentCount == 0) {
+        Mutexed<NamedTimePoint>::Locked deadline(mEosDeadline);
+        deadline->set(TimePoint::max(), "none");
+    }
+    Mutexed<NamedTimePoint>::Locked deadline(mQueueDeadline);
+    deadline->set(TimePoint::max(), "none");
+}
+
+}  // namespace android
+
+extern "C" android::CodecBase *CreateCodec() {
+    return new android::CCodec;
+}
+
+extern "C" android::PersistentSurface *CreateInputSurface() {
+    // Attempt to create a Codec2's input surface.
+    std::shared_ptr<android::Codec2Client::InputSurface> inputSurface =
+            android::Codec2Client::CreateInputSurface();
+    if (inputSurface) {
+        return new android::PersistentSurface(
+                inputSurface->getGraphicBufferProducer(),
+                static_cast<android::sp<android::hidl::base::V1_0::IBase>>(
+                inputSurface->getHalInterface()));
+    }
+
+    // Fall back to OMX.
+    using namespace android::hardware::media::omx::V1_0;
+    using namespace android::hardware::media::omx::V1_0::utils;
+    using namespace android::hardware::graphics::bufferqueue::V1_0::utils;
+    typedef android::hardware::media::omx::V1_0::Status OmxStatus;
+    android::sp<IOmx> omx = IOmx::getService();
+    typedef android::hardware::graphics::bufferqueue::V1_0::
+            IGraphicBufferProducer HGraphicBufferProducer;
+    typedef android::hardware::media::omx::V1_0::
+            IGraphicBufferSource HGraphicBufferSource;
+    OmxStatus s;
+    android::sp<HGraphicBufferProducer> gbp;
+    android::sp<HGraphicBufferSource> gbs;
+    android::Return<void> transStatus = omx->createInputSurface(
+            [&s, &gbp, &gbs](
+                    OmxStatus status,
+                    const android::sp<HGraphicBufferProducer>& producer,
+                    const android::sp<HGraphicBufferSource>& source) {
+                s = status;
+                gbp = producer;
+                gbs = source;
+            });
+    if (transStatus.isOk() && s == OmxStatus::OK) {
+        return new android::PersistentSurface(
+                new H2BGraphicBufferProducer(gbp),
+                sp<::android::IGraphicBufferSource>(
+                    new LWGraphicBufferSource(gbs)));
+    }
+
+    return nullptr;
+}
+