Exemplos de get_device_delay em C++ (Cpp)

Exemplo n.º 1

Arquivo: ao_wasapi.c Projeto: ThreeGe/mpv

static void thread_feed(struct ao *ao)
{
    struct wasapi_state *state = ao->priv;
    HRESULT hr;

    UINT32 frame_count = state->bufferFrameCount;

    if (state->share_mode == AUDCLNT_SHAREMODE_SHARED) {
        UINT32 padding = 0;
        hr = IAudioClient_GetCurrentPadding(state->pAudioClient, &padding);
        EXIT_ON_ERROR(hr);

        frame_count -= padding;
        MP_TRACE(ao, "Frame to fill: %"PRIu32". Padding: %"PRIu32"\n",
                 frame_count, padding);
    }
    double delay_us;
    hr = get_device_delay(state, &delay_us);
    EXIT_ON_ERROR(hr);
    // add the buffer delay
    delay_us += frame_count * 1e6 / state->format.Format.nSamplesPerSec;

    BYTE *pData;
    hr = IAudioRenderClient_GetBuffer(state->pRenderClient,
                                      frame_count, &pData);
    EXIT_ON_ERROR(hr);

    BYTE *data[1] = {pData};

    ao_read_data(ao, (void **)data, frame_count,
                 mp_time_us() + (int64_t)llrint(delay_us));

    // note, we can't use ao_read_data return value here since we already
    // commited to frame_count above in the GetBuffer call
    hr = IAudioRenderClient_ReleaseBuffer(state->pRenderClient,
                                          frame_count, 0);
    EXIT_ON_ERROR(hr);

    atomic_fetch_add(&state->sample_count, frame_count);

    return;
exit_label:
    MP_ERR(state, "Error feeding audio: %s\n", mp_HRESULT_to_str(hr));
    MP_VERBOSE(ao, "Requesting ao reload\n");
    ao_request_reload(ao);
    return;
}

Exemplo n.º 2

Arquivo: ao_wasapi.c Projeto: Nealefelaen/mpv

static void thread_feed(struct ao *ao)
{
    struct wasapi_state *state = (struct wasapi_state *)ao->priv;
    HRESULT hr;

    UINT32 frame_count = state->bufferFrameCount;

    if (state->share_mode == AUDCLNT_SHAREMODE_SHARED) {
        UINT32 padding = 0;
        hr = IAudioClient_GetCurrentPadding(state->pAudioClient, &padding);
        EXIT_ON_ERROR(hr);

        frame_count -= padding;
    }

    BYTE *pData;
    hr = IAudioRenderClient_GetBuffer(state->pRenderClient,
                                      frame_count, &pData);
    EXIT_ON_ERROR(hr);

    BYTE *data[1] = {pData};
    ao_read_data(ao, (void**)data, frame_count, (int64_t) (
                 mp_time_us() + get_device_delay(state) * 1e6 +
                 frame_count * 1e6 / state->format.Format.nSamplesPerSec));

    hr = IAudioRenderClient_ReleaseBuffer(state->pRenderClient,
                                          frame_count, 0);
    EXIT_ON_ERROR(hr);

    atomic_fetch_add(&state->sample_count, frame_count);

    return;
exit_label:
    MP_ERR(state, "thread_feed fails with %"PRIx32"!\n", (uint32_t)hr);
    return;
}