Function pull_once

framework/WebAssemblyPlayer/WABitStreamDecoder.cpp:272–320

};

static void pull_once()
{
    timerSetter timer;

    if (status == status_idle) {
        if (!pollData()) {
            timer = 1000;
            return;
        }

        int ret = decoder->prepare();

        if (ret < 0) {
            status = status_error;

            if (errorCallBack) {
                errorCallBack(ret);
            }
        } else {
            status = status_prepared;
        }
    }

    if (status == status_prepared) {
        if (!readEos && decoder->getCacheDuration() < 1000000 * 10) {
            int count = 0;

            while (pollData()) {
                decoder->readPacket();

                if (count++ > 0) {
                    break;
                }
            }
        }

//        if (decoder->getCacheDuration() == 0)
//            timer = 1000;
        int count = 0;

        while (pollRawBuffer == nullptr || pollRawBuffer(nullptr, 0) == 0) {
            decoder->pull_once();

            if (count++ > 0) {
                break;
            }
        }
    }
}

#ifdef __EMSCRIPTEN__