C++ (Cpp) alsa_driver_reset_parameters Exemples

Exemple #1

Fichier : JackAlsaDriver.cpp Projet : johnsen/jack2

int JackAlsaDriver::SetBufferSize(jack_nframes_t buffer_size)
{
    jack_log("JackAlsaDriver::SetBufferSize %ld", buffer_size);
    int res = alsa_driver_reset_parameters((alsa_driver_t *)fDriver, buffer_size,
                                           ((alsa_driver_t *)fDriver)->user_nperiods,
                                           ((alsa_driver_t *)fDriver)->frame_rate);

    if (res == 0) { // update fEngineControl and fGraphManager
        JackAudioDriver::SetBufferSize(buffer_size); // never fails
    } else {
        alsa_driver_reset_parameters((alsa_driver_t *)fDriver, fEngineControl->fBufferSize,
                                     ((alsa_driver_t *)fDriver)->user_nperiods,
                                     ((alsa_driver_t *)fDriver)->frame_rate);
    }

    return res;
}

Exemple #2

Fichier : JackAlsaDriver.cpp Projet : adiknoth/jack2

int JackAlsaDriver::SetBufferSize(jack_nframes_t buffer_size)
{
    jack_log("JackAlsaDriver::SetBufferSize %ld", buffer_size);
    int res = alsa_driver_reset_parameters((alsa_driver_t *)fDriver, buffer_size,
                                           ((alsa_driver_t *)fDriver)->user_nperiods,
                                           ((alsa_driver_t *)fDriver)->frame_rate);

    if (res == 0) { // update fEngineControl and fGraphManager
        JackAudioDriver::SetBufferSize(buffer_size);  // Generic change, never fails
        // ALSA specific
        UpdateLatencies();
    } else {
        // Restore old values
        alsa_driver_reset_parameters((alsa_driver_t *)fDriver, fEngineControl->fBufferSize,
                                     ((alsa_driver_t *)fDriver)->user_nperiods,
                                     ((alsa_driver_t *)fDriver)->frame_rate);
    }

    return res;
}