aud_utility.c

最新MTK手机软件源码

/*****************************************************************************
*  Copyright Statement:
*  --------------------
*  This software is protected by Copyright and the information contained
*  herein is confidential. The software may not be copied and the information
*  contained herein may not be used or disclosed except with the written
*  permission of MediaTek Inc. (C) 2005
*
*  BY OPENING THIS FILE, BUYER HEREBY UNEQUIVOCALLY ACKNOWLEDGES AND AGREES
*  THAT THE SOFTWARE/FIRMWARE AND ITS DOCUMENTATIONS ("MEDIATEK SOFTWARE")
*  RECEIVED FROM MEDIATEK AND/OR ITS REPRESENTATIVES ARE PROVIDED TO BUYER ON
*  AN "AS-IS" BASIS ONLY. MEDIATEK EXPRESSLY DISCLAIMS ANY AND ALL WARRANTIES,
*  EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE IMPLIED WARRANTIES OF
*  MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE OR NONINFRINGEMENT.
*  NEITHER DOES MEDIATEK PROVIDE ANY WARRANTY WHATSOEVER WITH RESPECT TO THE
*  SOFTWARE OF ANY THIRD PARTY WHICH MAY BE USED BY, INCORPORATED IN, OR
*  SUPPLIED WITH THE MEDIATEK SOFTWARE, AND BUYER AGREES TO LOOK ONLY TO SUCH
*  THIRD PARTY FOR ANY WARRANTY CLAIM RELATING THERETO. MEDIATEK SHALL ALSO
*  NOT BE RESPONSIBLE FOR ANY MEDIATEK SOFTWARE RELEASES MADE TO BUYER'S
*  SPECIFICATION OR TO CONFORM TO A PARTICULAR STANDARD OR OPEN FORUM.
*
*  BUYER'S SOLE AND EXCLUSIVE REMEDY AND MEDIATEK'S ENTIRE AND CUMULATIVE
*  LIABILITY WITH RESPECT TO THE MEDIATEK SOFTWARE RELEASED HEREUNDER WILL BE,
*  AT MEDIATEK'S OPTION, TO REVISE OR REPLACE THE MEDIATEK SOFTWARE AT ISSUE,
*  OR REFUND ANY SOFTWARE LICENSE FEES OR SERVICE CHARGE PAID BY BUYER TO
*  MEDIATEK FOR SUCH MEDIATEK SOFTWARE AT ISSUE. 
*
*  THE TRANSACTION CONTEMPLATED HEREUNDER SHALL BE CONSTRUED IN ACCORDANCE
*  WITH THE LAWS OF THE STATE OF CALIFORNIA, USA, EXCLUDING ITS CONFLICT OF
*  LAWS PRINCIPLES.  ANY DISPUTES, CONTROVERSIES OR CLAIMS ARISING THEREOF AND
*  RELATED THERETO SHALL BE SETTLED BY ARBITRATION IN SAN FRANCISCO, CA, UNDER
*  THE RULES OF THE INTERNATIONAL CHAMBER OF COMMERCE (ICC).
*
*****************************************************************************/

/*******************************************************************************
 * Filename:
 * ---------
 * aud_utility.c
 *
 * Project:
 * --------
 *   Maui
 *
 * Description:
 * ------------
 *   This file includes common used functions of audio manager task.
 *
 * Author:
 * -------
 * -------
 *
 *==============================================================================
 *             HISTORY
 * Below this line, this part is controlled by PVCS VM. DO NOT MODIFY!! 
 *------------------------------------------------------------------------------
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 *------------------------------------------------------------------------------
 * Upper this line, this part is controlled by PVCS VM. DO NOT MODIFY!! 
 *==============================================================================
 *******************************************************************************/

#ifndef MED_NOT_PRESENT

/*==== INCLUDES =========*/

#include "kal_release.h"
#include "kal_trace.h"
#include "stack_common.h"
#include "stack_msgs.h"
#include "app_ltlcom.h" /* Task message communiction */
/* Buffer Management */
#include "app_buff_alloc.h"
#include "syscomp_config.h"
#include "task_config.h"        /* Task creation */
#include "stacklib.h"   /* Basic type for dll, evshed, stacktimer */
#include "event_shed.h" /* Event scheduler */
#include "stack_timer.h"        /* Stack timer */
/* for tst inject message */
#include "tst_sap.h"

/* global includes */
#include "l1audio.h"
#include "device.h"
#include "resource_audio.h"
#include "nvram_enums.h"
#include "nvram_struct.h"
#include "nvram_user_defs.h"
#include "nvram_data_items.h"
#include "custom_nvram_editor_data_item.h"

/* local includes */
#include "med_global.h"
#include "aud_defs.h"
#include "med_struct.h"
#include "med_api.h"
#include "med_context.h"
#include "aud_main.h"
#include "med_main.h"
#include "fat_fs.h"
#include "med_utility.h"

extern kal_int16 med_get_media_type(kal_wchar *file_name);

/*****************************************************************************
 * FUNCTION
 *  aud_audio_out_dev_convert
 * DESCRIPTION
 *  
 * PARAMETERS
 *  speaker_id      [IN]        
 * RETURNS
 *  
 *****************************************************************************/
kal_uint8 aud_audio_out_dev_convert(kal_uint8 speaker_id)
{
    /*----------------------------------------------------------------*/
    /* Local Variables                                                */
    /*----------------------------------------------------------------*/
    kal_uint8 audio_device_out = L1SP_SPEAKER1;

    /*----------------------------------------------------------------*/
    /* Code Body                                                      */
    /*----------------------------------------------------------------*/
    switch (speaker_id)
    {
        case AUDIO_DEVICE_SPEAKER:
            audio_device_out = L1SP_SPEAKER1;
            break;
        case AUDIO_DEVICE_SPEAKER2:
            audio_device_out = L1SP_SPEAKER2;
            break;
        case AUDIO_DEVICE_LOUDSPEAKER:
            audio_device_out = L1SP_LOUD_SPEAKER;
            break;
        case AUDIO_DEVICE_SPEAKER_BOTH:
            audio_device_out = L1SP_LOUD_SPEAKER | L1SP_SPEAKER2;
            break;
        case AUDIO_DEVICE_BUZZER:
            audio_device_out = L1SP_LOUD_SPEAKER;
            break;
        default:
            break;
    }

    return audio_device_out;
}


/*****************************************************************************
 * FUNCTION
 *  aud_get_res
 * DESCRIPTION
 *  
 * PARAMETERS
 *  result      [IN]        
 * RETURNS
 *  
 *****************************************************************************/
kal_uint8 aud_get_res(kal_uint8 result)
{
    /*----------------------------------------------------------------*/
    /* Local Variables                                                */
    /*----------------------------------------------------------------*/

    /*----------------------------------------------------------------*/
    /* Code Body                                                      */
    /*----------------------------------------------------------------*/
    switch (result)
    {
        case MEDIA_SUCCESS:
            return MED_RES_OK;
        case MEDIA_FAIL:
            return MED_RES_FAIL;
        case MEDIA_BAD_FORMAT:
        case MEDIA_BAD_PARAMETER:
            return MED_RES_BAD_FORMAT;
        case MEDIA_BAD_COMMAND:
        case MEDIA_REENTRY:
            return MED_RES_BUSY;
        case MEDIA_NO_HANDLER:
            return MED_RES_NO_HANDLE;
        case MEDIA_UNSUPPORTED_CHANNEL:
            return MED_RES_UNSUPPORTED_CHANNEL;
        case MEDIA_UNSUPPORTED_FREQ:
            return MED_RES_UNSUPPORTED_FREQ;
        case MEDIA_UNSUPPORTED_TYPE:
            return MED_RES_UNSUPPORTED_TYPE;
        case MEDIA_UNSUPPORTED_OPERATION:
            return MED_RES_UNSUPPORTED_OPERATION;
        case MEDIA_SEEK_EOF:
            return MED_RES_END_OF_FILE;
        default:
            return MED_RES_FAIL;

    }
}


/*****************************************************************************
 * FUNCTION
 *  aud_check_disc_space
 * DESCRIPTION
 *  
 * PARAMETERS
 *  dir_name        [?]         
 *  free_byte       [IN]        
 * RETURNS
 *  
 *****************************************************************************/
kal_uint8 aud_check_disc_space(kal_wchar *dir_name, kal_int32 free_byte)
{
    /*----------------------------------------------------------------*/
    /* Local Variables                                                */
    /*----------------------------------------------------------------*/
    kal_int32 result;
    FS_DiskInfo disc_info;
    kal_wchar dir[3];

    /*----------------------------------------------------------------*/
    /* Code Body                                                      */
    /*----------------------------------------------------------------*/
    kal_mem_set(dir, 0, 6);
    kal_mem_cpy(dir, dir_name, 4);
    /* check the available free space */
    result = FS_GetDiskInfo((kal_wchar*) dir, &disc_info, FS_DI_BASIC_INFO | FS_DI_FREE_SPACE);

#ifdef __MTK_TARGET__
    if (result > 0 && result & (FS_DI_BASIC_INFO | FS_DI_FREE_SPACE))
    {
        if ((disc_info.FreeClusters * disc_info.SectorsPerCluster * disc_info.BytesPerSector) < free_byte)
        {
            return MED_RES_DISC_FULL;
        }
        else
        {
            return MED_RES_OK;
        }
    }
    else
    {
        return MED_RES_NO_DISC;
    }
#else /* __MTK_TARGET__ */ 
    return MED_RES_OK;
#endif /* __MTK_TARGET__ */ 
}


/*****************************************************************************
 * FUNCTION
 *  aud_is_streaming_type
 * DESCRIPTION
 *  This function is used to check if the audio file type is streaming.
 * PARAMETERS
 *  format      [IN]        
 * RETURNS
 *  kal_bool
 *****************************************************************************/
kal_bool aud_is_streaming_type(kal_uint8 format)
{
    /*----------------------------------------------------------------*/
    /* Local Variables                                                */
    /*----------------------------------------------------------------*/

    /*----------------------------------------------------------------*/
    /* Code Body                                                      */
    /*----------------------------------------------------------------*/
    switch (format)
    {
        case MED_TYPE_GSM_FR:
        case MED_TYPE_GSM_HR:
        case MED_TYPE_GSM_EFR:
        case MED_TYPE_AMR:
        case MED_TYPE_AMR_WB:
        case MED_TYPE_DAF:
        case MED_TYPE_PCM_8K:
        case MED_TYPE_PCM_16K:
        case MED_TYPE_G711_ALAW:
        case MED_TYPE_G711_ULAW:
        case MED_TYPE_DVI_ADPCM:
        case MED_TYPE_WAV:
        case MED_TYPE_WAV_ALAW:
        case MED_TYPE_WAV_ULAW:
        case MED_TYPE_WAV_DVI_ADPCM:
        case MED_TYPE_AU:
        case MED_TYPE_AIFF:
    #if defined(MP4_CODEC) && defined(AAC_DECODE)
        case MED_TYPE_M4A:
    #endif 
            return KAL_TRUE;
        default:
            return KAL_FALSE;