Exemple #1
0
//--------------------------------------------------------------------------------------------------
static void ConnectAudio
(
    void
)
{
    // Redirect audio to the in-built Microphone and Speaker.
    FeOutRef = le_audio_OpenSpeaker();
    LE_ERROR_IF((FeOutRef==NULL), "OpenSpeaker returns NULL!");
    FeInRef = le_audio_OpenMic();
    LE_ERROR_IF((FeInRef==NULL), "OpenMic returns NULL!");

    AudioInputConnectorRef = le_audio_CreateConnector();
    LE_ERROR_IF((AudioInputConnectorRef==NULL), "AudioInputConnectorRef is NULL!");
    AudioOutputConnectorRef = le_audio_CreateConnector();
    LE_ERROR_IF((AudioOutputConnectorRef==NULL), "AudioOutputConnectorRef is NULL!");

    LE_ERROR_IF((le_audio_Connect(AudioInputConnectorRef, FeInRef)!=LE_OK),
                "Failed to connect Mic on Input connector!");
    LE_ERROR_IF((le_audio_Connect(AudioOutputConnectorRef, FeOutRef)!=LE_OK),
                "Failed to connect Speaker on Output connector!");

    MdmRxAudioRef = le_audio_OpenModemVoiceRx();
    LE_ERROR_IF((MdmRxAudioRef==NULL), "GetRxAudioStream returns NULL!");
    MdmTxAudioRef = le_audio_OpenModemVoiceTx();
    LE_ERROR_IF((MdmTxAudioRef==NULL), "GetTxAudioStream returns NULL!");

    // Play local on output connector.
    PlayerRef = le_audio_OpenPlayer();
    LE_ERROR_IF((PlayerRef==NULL), "OpenFilePlayback returns NULL!");
    LE_ERROR_IF((le_audio_Connect(AudioOutputConnectorRef, PlayerRef) != LE_OK),
                "Failed to connect FilePlayback on output connector!");

    MediaHandlerRef = le_audio_AddMediaHandler(PlayerRef, MyMediaEventHandler, NULL);
    LE_ERROR_IF((MediaHandlerRef==NULL), "AddMediaHandler returns NULL!");

    // Set gains
    LE_ERROR_IF((le_audio_SetGain(PlayerRef, 1) != LE_OK), "Cannot set multimedia gain");

    LE_ERROR_IF((le_audio_SetGain(FeInRef, 1) != LE_OK), "Cannot set microphone gain");
    LE_ERROR_IF((le_audio_SetGain(MdmRxAudioRef, 12) != LE_OK), "Cannot set MdmRxAudioRef gain");
    LE_ERROR_IF((le_audio_SetGain(MdmTxAudioRef, 12) != LE_OK), "Cannot set MdmTxAudioRef gain");

    // Set specific gains for AR7/AR8 (won't work on other platforms)
    LE_ERROR_IF((le_audio_SetPlatformSpecificGain("D_AFE_GAIN_RX", 0x2000) != LE_OK),
                "Cannot set \"D_AFE_GAIN_RX\" gain");
    LE_ERROR_IF((le_audio_SetPlatformSpecificGain("D_AFE_GAIN_TX", 0x2000) != LE_OK),
                "Cannot set \"D_AFE_GAIN_TX\" gain");
}
//--------------------------------------------------------------------------------------------------
static void ConnectAudioToFileLocalPlay
(
    void
)
{
    le_result_t res;
    if ((AudioFileFd=open(AudioFileRecPath, O_RDWR)) == -1)
    {
        LE_ERROR("Open file %s failure: errno.%d (%s)",  AudioFileRecPath, errno, strerror(errno));
    }
    else
    {
        LE_INFO("Open file %s with AudioFileFd.%d",  AudioFileRecPath, AudioFileFd);
    }

    // Play local on output connector.
    FileAudioRef = le_audio_OpenPlayer();
    LE_ERROR_IF((FileAudioRef==NULL), "OpenFilePlayback returns NULL!");

    MediaHandlerRef = le_audio_AddMediaHandler(FileAudioRef, MyMediaEventHandler, NULL);
    LE_ERROR_IF((MediaHandlerRef==NULL), "AddMediaHandler returns NULL!");

    if (FileAudioRef && AudioOutputConnectorRef)
    {
        res = le_audio_Connect(AudioOutputConnectorRef, FileAudioRef);
        if(res!=LE_OK)
        {
            LE_ERROR("Failed to connect FilePlayback on output connector!");
            return;
        }

        LE_INFO("FilePlayback is now connected.");
        res = le_audio_PlayFile(FileAudioRef, AudioFileFd);

        if(res != LE_OK)
        {
            LE_ERROR("Failed to play the file!");
        }
        else
        {
            LE_INFO("File is now playing");
        }
    }
}