Move Codec2-related code from hardware/google/av

Test: None
Bug: 112362730
Change-Id: Ie2f8ff431d65c40333f267ab9877d47089adeea4
diff --git a/media/codec2/components/aac/C2SoftAacEnc.cpp b/media/codec2/components/aac/C2SoftAacEnc.cpp
new file mode 100644
index 0000000..aeefbdb
--- /dev/null
+++ b/media/codec2/components/aac/C2SoftAacEnc.cpp
@@ -0,0 +1,602 @@
+/*
+ * Copyright (C) 2012 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 "C2SoftAacEnc"
+#include <utils/Log.h>
+
+#include <inttypes.h>
+
+#include <C2PlatformSupport.h>
+#include <SimpleC2Interface.h>
+#include <media/stagefright/foundation/MediaDefs.h>
+#include <media/stagefright/foundation/hexdump.h>
+
+#include "C2SoftAacEnc.h"
+
+namespace android {
+
+class C2SoftAacEnc::IntfImpl : public C2InterfaceHelper {
+public:
+    explicit IntfImpl(const std::shared_ptr<C2ReflectorHelper> &helper)
+        : C2InterfaceHelper(helper) {
+
+        setDerivedInstance(this);
+
+        addParameter(
+                DefineParam(mInputFormat, C2_NAME_INPUT_STREAM_FORMAT_SETTING)
+                .withConstValue(new C2StreamFormatConfig::input(0u, C2FormatAudio))
+                .build());
+
+        addParameter(
+                DefineParam(mOutputFormat, C2_NAME_OUTPUT_STREAM_FORMAT_SETTING)
+                .withConstValue(new C2StreamFormatConfig::output(0u, C2FormatCompressed))
+                .build());
+
+        addParameter(
+                DefineParam(mInputMediaType, C2_NAME_INPUT_PORT_MIME_SETTING)
+                .withConstValue(AllocSharedString<C2PortMimeConfig::input>(
+                        MEDIA_MIMETYPE_AUDIO_RAW))
+                .build());
+
+        addParameter(
+                DefineParam(mOutputMediaType, C2_NAME_OUTPUT_PORT_MIME_SETTING)
+                .withConstValue(AllocSharedString<C2PortMimeConfig::output>(
+                        MEDIA_MIMETYPE_AUDIO_AAC))
+                .build());
+
+        addParameter(
+                DefineParam(mSampleRate, C2_NAME_STREAM_SAMPLE_RATE_SETTING)
+                .withDefault(new C2StreamSampleRateInfo::input(0u, 44100))
+                .withFields({C2F(mSampleRate, value).oneOf({
+                    8000, 11025, 12000, 16000, 22050, 24000, 32000, 44100, 48000
+                })})
+                .withSetter((Setter<decltype(*mSampleRate)>::StrictValueWithNoDeps))
+                .build());
+
+        addParameter(
+                DefineParam(mChannelCount, C2_NAME_STREAM_CHANNEL_COUNT_SETTING)
+                .withDefault(new C2StreamChannelCountInfo::input(0u, 1))
+                .withFields({C2F(mChannelCount, value).inRange(1, 6)})
+                .withSetter(Setter<decltype(*mChannelCount)>::StrictValueWithNoDeps)
+                .build());
+
+        addParameter(
+                DefineParam(mBitrate, C2_NAME_STREAM_BITRATE_SETTING)
+                .withDefault(new C2BitrateTuning::output(0u, 64000))
+                .withFields({C2F(mBitrate, value).inRange(8000, 960000)})
+                .withSetter(Setter<decltype(*mBitrate)>::NonStrictValueWithNoDeps)
+                .build());
+
+        addParameter(
+                DefineParam(mInputMaxBufSize, C2_PARAMKEY_INPUT_MAX_BUFFER_SIZE)
+                .withDefault(new C2StreamMaxBufferSizeInfo::input(0u, 8192))
+                .calculatedAs(MaxBufSizeCalculator, mChannelCount)
+                .build());
+
+        addParameter(
+                DefineParam(mProfileLevel, C2_PARAMKEY_PROFILE_LEVEL)
+                .withDefault(new C2StreamProfileLevelInfo::output(0u,
+                        C2Config::PROFILE_AAC_LC, C2Config::LEVEL_UNUSED))
+                .withFields({
+                    C2F(mProfileLevel, profile).oneOf({
+                            C2Config::PROFILE_AAC_LC,
+                            C2Config::PROFILE_AAC_HE,
+                            C2Config::PROFILE_AAC_HE_PS,
+                            C2Config::PROFILE_AAC_LD,
+                            C2Config::PROFILE_AAC_ELD}),
+                    C2F(mProfileLevel, level).oneOf({
+                            C2Config::LEVEL_UNUSED
+                    })
+                })
+                .withSetter(ProfileLevelSetter)
+                .build());
+    }
+
+    uint32_t getSampleRate() const { return mSampleRate->value; }
+    uint32_t getChannelCount() const { return mChannelCount->value; }
+    uint32_t getBitrate() const { return mBitrate->value; }
+    static C2R ProfileLevelSetter(bool mayBlock, C2P<C2StreamProfileLevelInfo::output> &me) {
+        (void)mayBlock;
+        (void)me;  // TODO: validate
+        return C2R::Ok();
+    }
+
+    static C2R MaxBufSizeCalculator(
+            bool mayBlock,
+            C2P<C2StreamMaxBufferSizeInfo::input> &me,
+            const C2P<C2StreamChannelCountInfo::input> &channelCount) {
+        (void)mayBlock;
+        me.set().value = 1024 * sizeof(short) * channelCount.v.value;
+        return C2R::Ok();
+    }
+
+private:
+    std::shared_ptr<C2StreamFormatConfig::input> mInputFormat;
+    std::shared_ptr<C2StreamFormatConfig::output> mOutputFormat;
+    std::shared_ptr<C2PortMimeConfig::input> mInputMediaType;
+    std::shared_ptr<C2PortMimeConfig::output> mOutputMediaType;
+    std::shared_ptr<C2StreamSampleRateInfo::input> mSampleRate;
+    std::shared_ptr<C2StreamChannelCountInfo::input> mChannelCount;
+    std::shared_ptr<C2BitrateTuning::output> mBitrate;
+    std::shared_ptr<C2StreamMaxBufferSizeInfo::input> mInputMaxBufSize;
+    std::shared_ptr<C2StreamProfileLevelInfo::output> mProfileLevel;
+};
+
+constexpr char COMPONENT_NAME[] = "c2.android.aac.encoder";
+
+C2SoftAacEnc::C2SoftAacEnc(
+        const char *name,
+        c2_node_id_t id,
+        const std::shared_ptr<IntfImpl> &intfImpl)
+    : SimpleC2Component(std::make_shared<SimpleInterface<IntfImpl>>(name, id, intfImpl)),
+      mIntf(intfImpl),
+      mAACEncoder(nullptr),
+      mSBRMode(-1),
+      mSBRRatio(0),
+      mAACProfile(AOT_AAC_LC),
+      mNumBytesPerInputFrame(0u),
+      mOutBufferSize(0u),
+      mSentCodecSpecificData(false),
+      mInputSize(0),
+      mInputTimeUs(-1ll),
+      mSignalledError(false),
+      mOutIndex(0u) {
+}
+
+C2SoftAacEnc::~C2SoftAacEnc() {
+    onReset();
+}
+
+c2_status_t C2SoftAacEnc::onInit() {
+    status_t err = initEncoder();
+    return err == OK ? C2_OK : C2_CORRUPTED;
+}
+
+status_t C2SoftAacEnc::initEncoder() {
+    if (AACENC_OK != aacEncOpen(&mAACEncoder, 0, 0)) {
+        ALOGE("Failed to init AAC encoder");
+        return UNKNOWN_ERROR;
+    }
+    return setAudioParams();
+}
+
+c2_status_t C2SoftAacEnc::onStop() {
+    mSentCodecSpecificData = false;
+    mInputSize = 0u;
+    mInputTimeUs = -1ll;
+    mSignalledError = false;
+    return C2_OK;
+}
+
+void C2SoftAacEnc::onReset() {
+    (void)onStop();
+    aacEncClose(&mAACEncoder);
+}
+
+void C2SoftAacEnc::onRelease() {
+    // no-op
+}
+
+c2_status_t C2SoftAacEnc::onFlush_sm() {
+    mSentCodecSpecificData = false;
+    mInputSize = 0u;
+    return C2_OK;
+}
+
+static CHANNEL_MODE getChannelMode(uint32_t nChannels) {
+    CHANNEL_MODE chMode = MODE_INVALID;
+    switch (nChannels) {
+        case 1: chMode = MODE_1; break;
+        case 2: chMode = MODE_2; break;
+        case 3: chMode = MODE_1_2; break;
+        case 4: chMode = MODE_1_2_1; break;
+        case 5: chMode = MODE_1_2_2; break;
+        case 6: chMode = MODE_1_2_2_1; break;
+        default: chMode = MODE_INVALID;
+    }
+    return chMode;
+}
+
+//static AUDIO_OBJECT_TYPE getAOTFromProfile(OMX_U32 profile) {
+//    if (profile == OMX_AUDIO_AACObjectLC) {
+//        return AOT_AAC_LC;
+//    } else if (profile == OMX_AUDIO_AACObjectHE) {
+//        return AOT_SBR;
+//    } else if (profile == OMX_AUDIO_AACObjectHE_PS) {
+//        return AOT_PS;
+//    } else if (profile == OMX_AUDIO_AACObjectLD) {
+//        return AOT_ER_AAC_LD;
+//    } else if (profile == OMX_AUDIO_AACObjectELD) {
+//        return AOT_ER_AAC_ELD;
+//    } else {
+//        ALOGW("Unsupported AAC profile - defaulting to AAC-LC");
+//        return AOT_AAC_LC;
+//    }
+//}
+
+status_t C2SoftAacEnc::setAudioParams() {
+    // We call this whenever sample rate, number of channels, bitrate or SBR mode change
+    // in reponse to setParameter calls.
+
+    ALOGV("setAudioParams: %u Hz, %u channels, %u bps, %i sbr mode, %i sbr ratio",
+         mIntf->getSampleRate(), mIntf->getChannelCount(), mIntf->getBitrate(), mSBRMode, mSBRRatio);
+
+    if (AACENC_OK != aacEncoder_SetParam(mAACEncoder, AACENC_AOT, mAACProfile)) {
+        ALOGE("Failed to set AAC encoder parameters");
+        return UNKNOWN_ERROR;
+    }
+
+    if (AACENC_OK != aacEncoder_SetParam(mAACEncoder, AACENC_SAMPLERATE, mIntf->getSampleRate())) {
+        ALOGE("Failed to set AAC encoder parameters");
+        return UNKNOWN_ERROR;
+    }
+    if (AACENC_OK != aacEncoder_SetParam(mAACEncoder, AACENC_BITRATE, mIntf->getBitrate())) {
+        ALOGE("Failed to set AAC encoder parameters");
+        return UNKNOWN_ERROR;
+    }
+    if (AACENC_OK != aacEncoder_SetParam(mAACEncoder, AACENC_CHANNELMODE,
+            getChannelMode(mIntf->getChannelCount()))) {
+        ALOGE("Failed to set AAC encoder parameters");
+        return UNKNOWN_ERROR;
+    }
+    if (AACENC_OK != aacEncoder_SetParam(mAACEncoder, AACENC_TRANSMUX, TT_MP4_RAW)) {
+        ALOGE("Failed to set AAC encoder parameters");
+        return UNKNOWN_ERROR;
+    }
+
+    if (mSBRMode != -1 && mAACProfile == AOT_ER_AAC_ELD) {
+        if (AACENC_OK != aacEncoder_SetParam(mAACEncoder, AACENC_SBR_MODE, mSBRMode)) {
+            ALOGE("Failed to set AAC encoder parameters");
+            return UNKNOWN_ERROR;
+        }
+    }
+
+    /* SBR ratio parameter configurations:
+       0: Default configuration wherein SBR ratio is configured depending on audio object type by
+          the FDK.
+       1: Downsampled SBR (default for ELD)
+       2: Dualrate SBR (default for HE-AAC)
+     */
+    if (AACENC_OK != aacEncoder_SetParam(mAACEncoder, AACENC_SBR_RATIO, mSBRRatio)) {
+        ALOGE("Failed to set AAC encoder parameters");
+        return UNKNOWN_ERROR;
+    }
+
+    return OK;
+}
+
+void C2SoftAacEnc::process(
+        const std::unique_ptr<C2Work> &work,
+        const std::shared_ptr<C2BlockPool> &pool) {
+    // Initialize output work
+    work->result = C2_OK;
+    work->workletsProcessed = 1u;
+    work->worklets.front()->output.flags = work->input.flags;
+
+    if (mSignalledError) {
+        return;
+    }
+    bool eos = (work->input.flags & C2FrameData::FLAG_END_OF_STREAM) != 0;
+
+    uint32_t sampleRate = mIntf->getSampleRate();
+    uint32_t channelCount = mIntf->getChannelCount();
+
+    if (!mSentCodecSpecificData) {
+        // The very first thing we want to output is the codec specific
+        // data.
+
+        if (AACENC_OK != aacEncEncode(mAACEncoder, nullptr, nullptr, nullptr, nullptr)) {
+            ALOGE("Unable to initialize encoder for profile / sample-rate / bit-rate / channels");
+            mSignalledError = true;
+            work->result = C2_CORRUPTED;
+            return;
+        }
+
+        uint32_t bitrate = mIntf->getBitrate();
+        uint32_t actualBitRate = aacEncoder_GetParam(mAACEncoder, AACENC_BITRATE);
+        if (bitrate != actualBitRate) {
+            ALOGW("Requested bitrate %u unsupported, using %u", bitrate, actualBitRate);
+        }
+
+        AACENC_InfoStruct encInfo;
+        if (AACENC_OK != aacEncInfo(mAACEncoder, &encInfo)) {
+            ALOGE("Failed to get AAC encoder info");
+            mSignalledError = true;
+            work->result = C2_CORRUPTED;
+            return;
+        }
+
+        std::unique_ptr<C2StreamCsdInfo::output> csd =
+            C2StreamCsdInfo::output::AllocUnique(encInfo.confSize, 0u);
+        if (!csd) {
+            ALOGE("CSD allocation failed");
+            mSignalledError = true;
+            work->result = C2_NO_MEMORY;
+            return;
+        }
+        memcpy(csd->m.value, encInfo.confBuf, encInfo.confSize);
+        ALOGV("put csd");
+#if defined(LOG_NDEBUG) && !LOG_NDEBUG
+        hexdump(csd->m.value, csd->flexCount());
+#endif
+        work->worklets.front()->output.configUpdate.push_back(std::move(csd));
+
+        mOutBufferSize = encInfo.maxOutBufBytes;
+        mNumBytesPerInputFrame = encInfo.frameLength * channelCount * sizeof(int16_t);
+        mInputTimeUs = work->input.ordinal.timestamp;
+
+        mSentCodecSpecificData = true;
+    }
+
+    uint8_t temp[1];
+    C2ReadView view = mDummyReadView;
+    const uint8_t *data = temp;
+    size_t capacity = 0u;
+    if (!work->input.buffers.empty()) {
+        view = work->input.buffers[0]->data().linearBlocks().front().map().get();
+        data = view.data();
+        capacity = view.capacity();
+    }
+
+    size_t numFrames = (capacity + mInputSize + (eos ? mNumBytesPerInputFrame - 1 : 0))
+            / mNumBytesPerInputFrame;
+    ALOGV("capacity = %zu; mInputSize = %zu; numFrames = %zu mNumBytesPerInputFrame = %u",
+          capacity, mInputSize, numFrames, mNumBytesPerInputFrame);
+
+    std::shared_ptr<C2LinearBlock> block;
+    std::shared_ptr<C2Buffer> buffer;
+    std::unique_ptr<C2WriteView> wView;
+    uint8_t *outPtr = temp;
+    size_t outAvailable = 0u;
+    uint64_t inputIndex = work->input.ordinal.frameIndex.peeku();
+
+    AACENC_InArgs inargs;
+    AACENC_OutArgs outargs;
+    memset(&inargs, 0, sizeof(inargs));
+    memset(&outargs, 0, sizeof(outargs));
+    inargs.numInSamples = capacity / sizeof(int16_t);
+
+    void* inBuffer[]        = { (unsigned char *)data };
+    INT   inBufferIds[]     = { IN_AUDIO_DATA };
+    INT   inBufferSize[]    = { (INT)capacity };
+    INT   inBufferElSize[]  = { sizeof(int16_t) };
+
+    AACENC_BufDesc inBufDesc;
+    inBufDesc.numBufs           = sizeof(inBuffer) / sizeof(void*);
+    inBufDesc.bufs              = (void**)&inBuffer;
+    inBufDesc.bufferIdentifiers = inBufferIds;
+    inBufDesc.bufSizes          = inBufferSize;
+    inBufDesc.bufElSizes        = inBufferElSize;
+
+    void* outBuffer[]       = { outPtr };
+    INT   outBufferIds[]    = { OUT_BITSTREAM_DATA };
+    INT   outBufferSize[]   = { 0 };
+    INT   outBufferElSize[] = { sizeof(UCHAR) };
+
+    AACENC_BufDesc outBufDesc;
+    outBufDesc.numBufs           = sizeof(outBuffer) / sizeof(void*);
+    outBufDesc.bufs              = (void**)&outBuffer;
+    outBufDesc.bufferIdentifiers = outBufferIds;
+    outBufDesc.bufSizes          = outBufferSize;
+    outBufDesc.bufElSizes        = outBufferElSize;
+
+    AACENC_ERROR encoderErr = AACENC_OK;
+
+    class FillWork {
+    public:
+        FillWork(uint32_t flags, C2WorkOrdinalStruct ordinal,
+                 const std::shared_ptr<C2Buffer> &buffer)
+            : mFlags(flags), mOrdinal(ordinal), mBuffer(buffer) {
+        }
+        ~FillWork() = default;
+
+        void operator()(const std::unique_ptr<C2Work> &work) {
+            work->worklets.front()->output.flags = (C2FrameData::flags_t)mFlags;
+            work->worklets.front()->output.buffers.clear();
+            work->worklets.front()->output.ordinal = mOrdinal;
+            work->workletsProcessed = 1u;
+            work->result = C2_OK;
+            if (mBuffer) {
+                work->worklets.front()->output.buffers.push_back(mBuffer);
+            }
+            ALOGV("timestamp = %lld, index = %lld, w/%s buffer",
+                  mOrdinal.timestamp.peekll(),
+                  mOrdinal.frameIndex.peekll(),
+                  mBuffer ? "" : "o");
+        }
+
+    private:
+        const uint32_t mFlags;
+        const C2WorkOrdinalStruct mOrdinal;
+        const std::shared_ptr<C2Buffer> mBuffer;
+    };
+
+    C2WorkOrdinalStruct outOrdinal = work->input.ordinal;
+
+    while (encoderErr == AACENC_OK && inargs.numInSamples > 0) {
+        if (numFrames && !block) {
+            C2MemoryUsage usage = { C2MemoryUsage::CPU_READ, C2MemoryUsage::CPU_WRITE };
+            // TODO: error handling, proper usage, etc.
+            c2_status_t err = pool->fetchLinearBlock(mOutBufferSize, usage, &block);
+            if (err != C2_OK) {
+                ALOGE("fetchLinearBlock failed : err = %d", err);
+                work->result = C2_NO_MEMORY;
+                return;
+            }
+
+            wView.reset(new C2WriteView(block->map().get()));
+            outPtr = wView->data();
+            outAvailable = wView->size();
+            --numFrames;
+        }
+
+        memset(&outargs, 0, sizeof(outargs));
+
+        outBuffer[0] = outPtr;
+        outBufferSize[0] = outAvailable;
+
+        encoderErr = aacEncEncode(mAACEncoder,
+                                  &inBufDesc,
+                                  &outBufDesc,
+                                  &inargs,
+                                  &outargs);
+
+        if (encoderErr == AACENC_OK) {
+            if (buffer) {
+                outOrdinal.frameIndex = mOutIndex++;
+                outOrdinal.timestamp = mInputTimeUs;
+                cloneAndSend(
+                        inputIndex,
+                        work,
+                        FillWork(C2FrameData::FLAG_INCOMPLETE, outOrdinal, buffer));
+                buffer.reset();
+            }
+
+            if (outargs.numOutBytes > 0) {
+                mInputSize = 0;
+                int consumed = ((capacity / sizeof(int16_t)) - inargs.numInSamples);
+                mInputTimeUs = work->input.ordinal.timestamp
+                        + (consumed * 1000000ll / channelCount / sampleRate);
+                buffer = createLinearBuffer(block, 0, outargs.numOutBytes);
+#if defined(LOG_NDEBUG) && !LOG_NDEBUG
+                hexdump(outPtr, std::min(outargs.numOutBytes, 256));
+#endif
+                outPtr = temp;
+                outAvailable = 0;
+                block.reset();
+            } else {
+                mInputSize += outargs.numInSamples * sizeof(int16_t);
+            }
+
+            if (outargs.numInSamples > 0) {
+                inBuffer[0] = (int16_t *)inBuffer[0] + outargs.numInSamples;
+                inBufferSize[0] -= outargs.numInSamples * sizeof(int16_t);
+                inargs.numInSamples -= outargs.numInSamples;
+            }
+        }
+        ALOGV("encoderErr = %d mInputSize = %zu inargs.numInSamples = %d, mInputTimeUs = %lld",
+              encoderErr, mInputSize, inargs.numInSamples, mInputTimeUs.peekll());
+    }
+
+    if (eos && inBufferSize[0] > 0) {
+        if (numFrames && !block) {
+            C2MemoryUsage usage = { C2MemoryUsage::CPU_READ, C2MemoryUsage::CPU_WRITE };
+            // TODO: error handling, proper usage, etc.
+            c2_status_t err = pool->fetchLinearBlock(mOutBufferSize, usage, &block);
+            if (err != C2_OK) {
+                ALOGE("fetchLinearBlock failed : err = %d", err);
+                work->result = C2_NO_MEMORY;
+                return;
+            }
+
+            wView.reset(new C2WriteView(block->map().get()));
+            outPtr = wView->data();
+            outAvailable = wView->size();
+            --numFrames;
+        }
+
+        memset(&outargs, 0, sizeof(outargs));
+
+        outBuffer[0] = outPtr;
+        outBufferSize[0] = outAvailable;
+
+        // Flush
+        inargs.numInSamples = -1;
+
+        (void)aacEncEncode(mAACEncoder,
+                           &inBufDesc,
+                           &outBufDesc,
+                           &inargs,
+                           &outargs);
+    }
+
+    outOrdinal.frameIndex = mOutIndex++;
+    outOrdinal.timestamp = mInputTimeUs;
+    FillWork((C2FrameData::flags_t)(eos ? C2FrameData::FLAG_END_OF_STREAM : 0),
+             outOrdinal, buffer)(work);
+}
+
+c2_status_t C2SoftAacEnc::drain(
+        uint32_t drainMode,
+        const std::shared_ptr<C2BlockPool> &pool) {
+    switch (drainMode) {
+        case DRAIN_COMPONENT_NO_EOS:
+            [[fallthrough]];
+        case NO_DRAIN:
+            // no-op
+            return C2_OK;
+        case DRAIN_CHAIN:
+            return C2_OMITTED;
+        case DRAIN_COMPONENT_WITH_EOS:
+            break;
+        default:
+            return C2_BAD_VALUE;
+    }
+
+    (void)pool;
+    mSentCodecSpecificData = false;
+    mInputSize = 0u;
+
+    // TODO: we don't have any pending work at this time to drain.
+    return C2_OK;
+}
+
+class C2SoftAacEncFactory : public C2ComponentFactory {
+public:
+    C2SoftAacEncFactory() : mHelper(std::static_pointer_cast<C2ReflectorHelper>(
+            GetCodec2PlatformComponentStore()->getParamReflector())) {
+    }
+
+    virtual c2_status_t createComponent(
+            c2_node_id_t id,
+            std::shared_ptr<C2Component>* const component,
+            std::function<void(C2Component*)> deleter) override {
+        *component = std::shared_ptr<C2Component>(
+                new C2SoftAacEnc(COMPONENT_NAME,
+                                 id,
+                                 std::make_shared<C2SoftAacEnc::IntfImpl>(mHelper)),
+                deleter);
+        return C2_OK;
+    }
+
+    virtual c2_status_t createInterface(
+            c2_node_id_t id, std::shared_ptr<C2ComponentInterface>* const interface,
+            std::function<void(C2ComponentInterface*)> deleter) override {
+        *interface = std::shared_ptr<C2ComponentInterface>(
+                new SimpleInterface<C2SoftAacEnc::IntfImpl>(
+                        COMPONENT_NAME, id, std::make_shared<C2SoftAacEnc::IntfImpl>(mHelper)),
+                deleter);
+        return C2_OK;
+    }
+
+    virtual ~C2SoftAacEncFactory() override = default;
+
+private:
+    std::shared_ptr<C2ReflectorHelper> mHelper;
+};
+
+}  // namespace android
+
+extern "C" ::C2ComponentFactory* CreateCodec2Factory() {
+    ALOGV("in %s", __func__);
+    return new ::android::C2SoftAacEncFactory();
+}
+
+extern "C" void DestroyCodec2Factory(::C2ComponentFactory* factory) {
+    ALOGV("in %s", __func__);
+    delete factory;
+}