#include <gui/mediatek/BBQDispDeJitterHelper.h>

#include <dlfcn.h>
#include <cutils/log.h>

namespace android {

BBQDispDeJitterHelper& BBQDispDeJitterHelper::getInstance() {
    static BBQDispDeJitterHelper gInstance;
    return gInstance;
}

BBQDispDeJitterHelper::BBQDispDeJitterHelper()
      : mSoHandle(nullptr),
        mFnMarkTimestamp(nullptr) {
    typedef void (*MarkTimestamp)(const sp<GraphicBuffer>&, const uint64_t);

    // dlopen must set RTLD_LAZY flag because of performance issue
    mSoHandle = dlopen("libdisp_dejitter.so", RTLD_LAZY);
    if (mSoHandle) {
        mFnMarkTimestamp = reinterpret_cast<MarkTimestamp>(dlsym(mSoHandle, "markTimestamp"));
        if (nullptr == mFnMarkTimestamp) {
            ALOGE("finding markTimestamp() failed");
        }
    } else {
        ALOGE("open libdisp_dejitter failed");
    }
}

BBQDispDeJitterHelper::~BBQDispDeJitterHelper() {
    if (mSoHandle) {
        dlclose(mSoHandle);
    }
}

void BBQDispDeJitterHelper::markTimestamp(const sp<GraphicBuffer>& gb, const uint64_t q_time) {
    if (mFnMarkTimestamp) {
        mFnMarkTimestamp(gb, q_time);
    }
}

} // namespace android