Exemplo n.º 1
0
void DeviceDescriptor::toAudioPort(struct audio_port *port) const
{
    ALOGV("DeviceDescriptor::toAudioPort() handle %d type %x", mId, mDeviceType);
    AudioPort::toAudioPort(port);
    port->id = mId;
    toAudioPortConfig(&port->active_config);
    port->ext.device.type = mDeviceType;
    port->ext.device.hw_module = mModule->mHandle;
    strncpy(port->ext.device.address, mAddress.string(), AUDIO_DEVICE_MAX_ADDRESS_LEN);
}
Exemplo n.º 2
0
void SwAudioOutputDescriptor::toAudioPort(
                                                    struct audio_port *port) const
{
    ALOG_ASSERT(!isDuplicated(), "toAudioPort() called on duplicated output %d", mIoHandle);

    AudioOutputDescriptor::toAudioPort(port);

    toAudioPortConfig(&port->active_config);
    port->ext.mix.handle = mIoHandle;
    port->ext.mix.latency_class =
            mFlags & AUDIO_OUTPUT_FLAG_FAST ? AUDIO_LATENCY_LOW : AUDIO_LATENCY_NORMAL;
}
status_t AudioPortConfig::applyAudioPortConfig(const struct audio_port_config *config,
                                               struct audio_port_config *backupConfig)
{
    struct audio_port_config localBackupConfig;
    status_t status = NO_ERROR;

    localBackupConfig.config_mask = config->config_mask;
    toAudioPortConfig(&localBackupConfig);

    sp<AudioPort> audioport = getAudioPort();
    if (audioport == 0) {
        status = NO_INIT;
        goto exit;
    }
    status = audioport->checkExactAudioProfile(config->sample_rate,
                                               config->channel_mask,
                                               config->format);
    if (status != NO_ERROR) {
        goto exit;
    }
    if (config->config_mask & AUDIO_PORT_CONFIG_SAMPLE_RATE) {
        mSamplingRate = config->sample_rate;
    }
    if (config->config_mask & AUDIO_PORT_CONFIG_CHANNEL_MASK) {
        mChannelMask = config->channel_mask;
    }
    if (config->config_mask & AUDIO_PORT_CONFIG_FORMAT) {
        mFormat = config->format;
    }
    if (config->config_mask & AUDIO_PORT_CONFIG_GAIN) {
        status = audioport->checkGain(&config->gain, config->gain.index);
        if (status != NO_ERROR) {
            goto exit;
        }
        mGain = config->gain;
    }

exit:
    if (status != NO_ERROR) {
        applyAudioPortConfig(&localBackupConfig);
    }
    if (backupConfig != NULL) {
        *backupConfig = localBackupConfig;
    }
    return status;
}