C++ (Cpp) ALSAHandleList примеры использования

Пример #1

Файл: alsa_default.cpp Проект: bc-dev/2.3-hardware-alsa_sound

static status_t s_init(alsa_device_t *module, ALSAHandleList &list)
{
    list.clear();

    snd_pcm_uframes_t bufferSize = _defaultsOut.bufferSize;

    for (size_t i = 1; (bufferSize & ~i) != 0; i <<= 1)
        bufferSize &= ~i;

    _defaultsOut.module = module;
    _defaultsOut.bufferSize = bufferSize;

    list.push_back(_defaultsOut);

    bufferSize = _defaultsIn.bufferSize;

    for (size_t i = 1; (bufferSize & ~i) != 0; i <<= 1)
        bufferSize &= ~i;

    _defaultsIn.module = module;
    _defaultsIn.bufferSize = bufferSize;

    list.push_back(_defaultsIn);

    return NO_ERROR;
}

Пример #2

Файл: alsa_default.cpp Проект: drweb63/w17pro

static status_t s_init(alsa_device_t *module, ALSAHandleList &list)
{
    list.clear();

    snd_pcm_uframes_t bufferSize = _defaultsOut.bufferSize;

    for (size_t i = 1; (bufferSize & ~i) != 0; i <<= 1)
        bufferSize &= ~i;

    _defaultsOut.module = module;
    _defaultsOut.bufferSize = bufferSize;

    list.push_back(_defaultsOut);
    
    bufferSize = _defaultsUSBIn.bufferSize;

	    for (size_t i = 1; (bufferSize & ~i) != 0; i <<= 1)
	        bufferSize &= ~i;

	    _defaultsUSBIn.module = module;
	    _defaultsUSBIn.bufferSize = bufferSize;
        _defaultsUSBIn.modPrivate = (void*)usbAudio;
	    list.push_back(_defaultsUSBIn);
        ALOGW("use USB audio in as default");


	    bufferSize = _defaultsIn.bufferSize;

	    for (size_t i = 1; (bufferSize & ~i) != 0; i <<= 1)
	        bufferSize &= ~i;

	    _defaultsIn.module = module;
	    _defaultsIn.bufferSize = bufferSize;
        _defaultsIn.modPrivate = (void*)builtinAudio;
	    list.push_back(_defaultsIn);
        ALOGW("use AML audio in as default");

	        return NO_ERROR;
}