Play file .amr

I want to play the file wavfile.h, but adl_audioStreamPlay return -7 which could be the problem? Thanks

#include "adl_global.h"
#include "wavfile.h"

/***************************************************************************/
/*  Mandatory variables                                                    */
/*-------------------------------------------------------------------------*/
/*  wm_apmCustomStackSize                                                  */
/*-------------------------------------------------------------------------*/
/***************************************************************************/
const u16 wm_apmCustomStackSize = 1024;
const u32 wm_apmIRQLowLevelStackSize =  1024;
const u32 wm_apmIRQHighLevelStackSize = 1024;

static ascii *    AUDIO_PLAY_CMD    = "at+PLAY";

adl_atPort_e port_context = 0;

s32 appListenLowIrqHandle   = 0;
s32 appListenHighIrqHandle  = 0;
s32 appPlayLowIrqHandle     = 0;
s32 appPlayHighIrqHandle    = 0;
s32 record_resource_Handle  = 0;
s32 play_resource_Handle    = 0;

s32 appAudioSpeaker_Handle   = 0;

#define SPEAKER 0

/***************************************************************************/
/*  Local variables                                                        */
/***************************************************************************/
/***************************************************************************/
/*  Function   : appPlayLowIrqHandler                                      */
/*-------------------------------------------------------------------------*/
/*  Objet      : IRQ low level handler                                     */
/*                                                                         */
/*-------------------------------------------------------------------------*/
/*  Variable Name     |IN |OUT|GLB|  Utilisation                           */
/*--------------------+---+---+---+----------------------------------------*/
/*  Source            | X |   |   |                                        */
/*--------------------+---+---+---+----------------------------------------*/
/*  NotificationLevel | X |   |   |                                        */
/*--------------------+---+---+---+----------------------------------------*/
/*  Data              | X |   |   |                                        */
/*--------------------+---+---+---+----------------------------------------*/
/***************************************************************************/

bool appPlayLowIrqHandler( adl_irqID_e Source, adl_irqNotificationLevel_e NotificationLevel, adl_irqEventData_t *Data )
{

TRACE((1,"inside appPlayLowIrqHandler"));
        // Call High level handler
return 1;
}

/***************************************************************************/
/*  Function   : appPlayHighIrqHandler                                     */
/*-------------------------------------------------------------------------*/
/*  Objet      : IRQ high level handler                                    */
/*                                                                         */
/*-------------------------------------------------------------------------*/
/*  Variable Name     |IN |OUT|GLB|  Utilisation                           */
/*--------------------+---+---+---+----------------------------------------*/
/*  Source            | X |   |   |                                        */
/*--------------------+---+---+---+----------------------------------------*/
/*  NotificationLevel | X |   |   |                                        */
/*--------------------+---+---+---+----------------------------------------*/
/*  Data              | X |   |   |                                        */
/*--------------------+---+---+---+----------------------------------------*/
/***************************************************************************/

bool appPlayHighIrqHandler( adl_irqID_e Source, adl_irqNotificationLevel_e NotificationLevel, adl_irqEventData_t *Data )
{
    // This handler is called only to stop playing
    s32 RetVal;
    TRACE((1,"inside appPlayHighIrqHandler"));
    // Stop playing
    RetVal = adl_audioStop(play_resource_Handle);
    if(RetVal != OK)
    {
        TRACE (( 1, "appPlayHighIrqHandler: OK not received for adl_audioStop/play: #%d", RetVal));
        adl_atSendResponsePort(ADL_AT_RSP, port_context, "\r\nERROR:adl_audioStop for playing failed\r\n");
    }
    else
    {
        // Send OK
        adl_atSendResponsePort(ADL_AT_RSP, port_context, "\r\nOK\r\n"); // OK FOR AT+PLAY
    }

}


/***************************************************************************/
/*  Local functions                                                        */
/***************************************************************************/
void app_PLAY_CmdHandler( adl_atCmdPreParser_t * paras )
{
    u8 destination = 0;
    s32 RetVal = 0;
    //StreamBufferPlay = NULL;

    destination = wm_atoi ( ADL_GET_PARAM ( paras, 0 ) );
    port_context = paras->Port;

    TRACE((1,"inside at+play"));

    if(destination == SPEAKER){

        TRACE (( 1, "app_PLAY_CmdHandler: SPEAKER" ));
        play_resource_Handle = appAudioSpeaker_Handle;
    }

    else{

        TRACE (( 1, "app_PLAY_CmdHandler: Bad option selected: #%d", destination ));
        adl_atSendResponsePort(ADL_AT_RSP, port_context, "\r\nERROR:Bad destination selected: USAGE: <param1>: 0 - MICROPHONE, 1- GSM_RX <param2>:0 - SPEAKER, 1 - GSM_TX\r\n");
        return;
    }
    TRACE((1,"sizeof du tab = %d", sizeof (audiosequence)));
    // New audio play

        adl_audioSetOption( play_resource_Handle, ADL_AUDIO_AMR_BUFFER_SIZE, sizeof (audiosequence) );
        adl_audioSetOption( play_resource_Handle, ADL_AUDIO_AMR_MIXED_VOICE, FALSE );
        adl_audioSetOption( play_resource_Handle, ADL_AUDIO_AMR_SPEECH_CODEC_RATE, ADL_AUDIO_AMR_RATE_12_20 );


    RetVal = adl_audioStreamPlay ( play_resource_Handle, ADL_AUDIO_AMR , appPlayLowIrqHandle, appPlayHighIrqHandle, audiosequence);
    if (RetVal != OK){

        TRACE (( 1, "app_PLAY_CmdHandler: OK not received from adl_audioStreamPlay %d",RetVal));
        adl_atSendResponsePort(ADL_AT_RSP, port_context, "\r\nERROR:adl_audioStreamPlay failed\r\n");
    }
    else{
            TRACE((1,"OK received"));
        }


}

void AudioEventHandler( s32 audioHandle, adl_audioEvents_e Event )  //add events
{
    TRACE (( 1, "Inside the AudioEventHandler: Event :: %d", Event ));

    return;
}

/***************************************************************************/
/*  Function   : adl_main                                                  */
/*-------------------------------------------------------------------------*/
/*  Object     : Customer application initialisation                       */
/*                                                                         */
/*-------------------------------------------------------------------------*/
/*  Variable Name     |IN |OUT|GLB|  Utilisation                           */
/*--------------------+---+---+---+----------------------------------------*/
/*  InitType          |   |   |   |  Application start mode reason         */
/*--------------------+---+---+---+----------------------------------------*/
/***************************************************************************/
void adl_main ( adl_InitType_e InitType )
{
    // PCM Recorder an Player application
    TRACE (( 1, "PCM_RecordAndPlay: Test Application" ));
    TRACE (( 1, __DATE__ ));
    TRACE (( 1, __TIME__ ));

    // Subscribe to IRQ service

    appPlayLowIrqHandle = adl_irqSubscribe ( appPlayLowIrqHandler, ADL_IRQ_NOTIFY_LOW_LEVEL, ADL_IRQ_PRIORITY_LOW_LEVEL, 1 );
    if( appListenLowIrqHandle < 0 )
        TRACE (( 1, "Play Low IRQ handler subscription FAILED: %d ", appPlayLowIrqHandle ));

    appPlayHighIrqHandle = adl_irqSubscribe ( appPlayHighIrqHandler, ADL_IRQ_NOTIFY_HIGH_LEVEL, ADL_IRQ_PRIORITY_HIGH_LEVEL, 1 );
    if( appListenHighIrqHandle < 0 )
        TRACE (( 1, "Play High IRQ handler subscription FAILED: %d ", appPlayHighIrqHandle ));

appAudioSpeaker_Handle = adl_audioSubscribe ( ADL_AUDIO_SPEAKER , AudioEventHandler, ADL_AUDIO_RESOURCE_OPTION_FORBID_PREEMPTION );
    if(appAudioSpeaker_Handle  < 0 )
        TRACE (( 1, "ADL_AUDIO_SPEAKER cannot be subscribed: %d", appAudioSpeaker_Handle ));

/* Subscribe for AT+PLAY to play the recorded sound */
    adl_atCmdSubscribe (AUDIO_PLAY_CMD, app_PLAY_CmdHandler,  ADL_CMD_TYPE_PARA | 0x11 );

}