aud_vm.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_vm.c
 *
 * Project:
 * --------
 *   Maui
 *
 * Description:
 * ------------
 *   This file includes voice memo related functions of audio manager task.
 *
 * Author:
 * -------
 * -------
 *
 *==============================================================================
 *             HISTORY
 * Below this line, this part is controlled by PVCS VM. DO NOT MODIFY!! 
 *------------------------------------------------------------------------------
 * removed!
 *
 * removed!
 * removed!
 * removed!
 *
 * removed!
 * removed!
 * removed!
 *
 *------------------------------------------------------------------------------
 * Upper this line, this part is controlled by PVCS VM. DO NOT MODIFY!! 
 *==============================================================================
 *******************************************************************************/

/******************************************************************
 * MODULE
 *    AUD_VM
 * DESCRIPTION
 *    This module defines the voice memo related function for Audio Manager.
 *  
 ******************************************************************/

#ifndef MED_NOT_PRESENT

/*==== INCLUDES ========*/
#include "med_global.h"
#if defined(VM_SUPPORT) && defined(VM_LOG)

#include "kal_release.h"

#include "kal_trace.h"

#include "stack_common.h"
#include "stack_msgs.h"
#include "app_ltlcom.h" /* Task message communiction */

#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 */

/* global includes */
#include "l1audio.h"
#include "device.h"
#include "resource_audio.h"
/* for FAT FS */
#include "fat_fs.h"
#include "rtc_sw.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"
#ifdef __AUD_TRACE_ON__
#include "med_trc.h"
#endif 

#define RANDOM_POS   (8)

#define MAX_VM_DIR_LEN   20
#define FULL_NAME_LEN (MAX_VM_FILE_NAME+MAX_VM_DIR_LEN)

kal_wchar vm_file_name[FULL_NAME_LEN];
kal_wchar vm_file_string[MAX_NUM_OF_VM_FILE][MAX_VM_FILE_NAME];

#ifdef VM_DIR
#undef VM_DIR
#endif 
#define VM_PATH (L"Audio")
kal_wchar VM_DIR[MAX_VM_DIR_LEN];

kal_uint8 file_count;


/*****************************************************************************
 * FUNCTION
 *  aud_vm_init
 * DESCRIPTION
 *  This function is used to init aud_vm module
 * PARAMETERS
 *  void
 * RETURNS
 *  
 *****************************************************************************/
kal_bool aud_vm_init(void)
{
    /*----------------------------------------------------------------*/
    /* Local Variables                                                */
    /*----------------------------------------------------------------*/
    kal_uint16 i;
    kal_int16 drv_letter;

    /*----------------------------------------------------------------*/
    /* Code Body                                                      */
    /*----------------------------------------------------------------*/
    aud_context_p->vm_rec_dir = AUD_VM_DIR_UL;

#ifdef VOICE_RECOGNITION_TEST
    aud_context_p->vm_sp_type = MEDIA_FORMAT_PCM_8K;    /* MEDIA_FORMAT_GSM_EFR; */
#else 
    aud_context_p->vm_sp_type = MEDIA_FORMAT_GSM_EFR;
#endif 

    aud_context_p->current_file_name[0] = 0;
    aud_context_p->current_file_handle = -1;
    aud_context_p->disc_full = KAL_FALSE;
    aud_context_p->delete_all = KAL_FALSE;
    aud_context_p->play_mode = AUD_MEDIA_PLAY_MODE_NONE;
    aud_context_p->vm_info.num_of_vm = 0;
    aud_context_p->vm_info.free_space = MAX_VM_SIZE;
    aud_context_p->offset = 0;

    for (i = 0; i < MAX_NUM_OF_VM_FILE; i++)
    {
        aud_context_p->vm_info.file_name_list[i] = vm_file_string[i];
    }

    drv_letter = FS_GetDrive(FS_DRIVE_V_NORMAL, 2, FS_DRIVE_I_SYSTEM | FS_DRIVE_V_NORMAL);
    kal_wsprintf((kal_wchar*) VM_DIR, "%c:\\%w", drv_letter, VM_PATH);
    kal_wsprintf(vm_file_name, "%w\\*%s", VM_DIR, ".vm");

#ifdef VM_LOG
    aud_context_p->vm_logging = KAL_FALSE;
    aud_context_p->vm_id = 0;
#endif /* VM_LOG */ 

    return KAL_TRUE;
}


/*****************************************************************************
 * FUNCTION
 *  aud_vm_scan_file
 * DESCRIPTION
 *  
 * PARAMETERS
 *  void
 * RETURNS
 *  
 *****************************************************************************/
kal_bool aud_vm_scan_file(void)
{
    /*----------------------------------------------------------------*/
    /* Local Variables                                                */
    /*----------------------------------------------------------------*/
    FS_HANDLE vm_file_handle;
    kal_int32 result;
    FS_DOSDirEntry de;
    kal_wchar *file_name_p;
    kal_uint8 i;

    /*----------------------------------------------------------------*/
    /* Code Body                                                      */
    /*----------------------------------------------------------------*/
#ifdef __NVRAM_IN_USB_MS__
    if (stack_query_boot_mode() == USBMS_BOOT)
    {
        return KAL_FALSE;
    }
#endif /* __NVRAM_IN_USB_MS__ */ 

    /* if vm dir exists, open it ,otherwise create it */
    vm_file_handle = FS_Open(VM_DIR, FS_OPEN_DIR | FS_READ_ONLY);
    if (vm_file_handle < 0)
    {
        result = FS_CreateDir(VM_DIR);
        /* ASSERT(result >= 0) */
    }
    else
    {
        FS_Close(vm_file_handle);
    }

    for (i = 0; i < MAX_NUM_OF_VM_FILE; i++)
    {
        aud_context_p->vm_info.file_name_list[i] = vm_file_string[i];
    }

    /* reset num of vm */
    aud_context_p->vm_info.num_of_vm = 0;

    file_name_p = aud_context_p->vm_info.file_name_list[0];
    vm_file_handle = FS_FindFirst(vm_file_name, 0, 0, &de, file_name_p, MAX_VM_FILE_NAME * ENCODE_BYTE);

    aud_context_p->vm_info.free_space = MAX_VM_SIZE;
    if (vm_file_handle >= 0)
    {
        aud_context_p->vm_info.num_of_vm++;
        file_name_p = aud_context_p->vm_info.file_name_list[aud_context_p->vm_info.num_of_vm];

        /* count the free space */
        if (aud_context_p->vm_info.free_space >= de.FileSize)
        {
            aud_context_p->vm_info.free_space -= de.FileSize;
        }
        else
        {
            aud_context_p->vm_info.free_space = 0;
        }

        while ((result = FS_FindNext(vm_file_handle, &de, file_name_p, MAX_VM_FILE_NAME * ENCODE_BYTE)) == FS_NO_ERROR)
        {
            if (de.Attributes != FS_ATTR_DIR)
            {
                aud_context_p->vm_info.num_of_vm++;
                /* count the free space */
                if (aud_context_p->vm_info.free_space >= de.FileSize)
                {
                    aud_context_p->vm_info.free_space -= de.FileSize;
                }
                else
                {
                    aud_context_p->vm_info.free_space = 0;
                }

                if (aud_context_p->vm_info.num_of_vm >= MAX_NUM_OF_VM_FILE)
                {
                    break;
                }
                /* set the file name pointer for next loop */
                file_name_p = aud_context_p->vm_info.file_name_list[aud_context_p->vm_info.num_of_vm];
            }
        }
        FS_FindClose(vm_file_handle);

        if (aud_context_p->vm_info.free_space > 0)
            /* set disc full to TRUE */
        {
            aud_context_p->disc_full = KAL_FALSE;
        }
        else
            /* set disc full to TRUE */
        {
            aud_context_p->disc_full = KAL_TRUE;
        }
    }

    return KAL_TRUE;
}


/*****************************************************************************
 * FUNCTION
 *  aud_vm_startup
 * DESCRIPTION
 *  
 * PARAMETERS
 *  void
 * RETURNS
 *  
 *****************************************************************************/
kal_bool aud_vm_startup(void)
{
    /*----------------------------------------------------------------*/
    /* Local Variables                                                */
    /*----------------------------------------------------------------*/

    /*----------------------------------------------------------------*/
    /* Code Body                                                      */
    /*----------------------------------------------------------------*/
    return aud_vm_scan_file();
}


/*****************************************************************************
 * FUNCTION
 *  aud_vm_set_output_volume
 * DESCRIPTION
 *  
 * PARAMETERS
 *  volume1                 [IN]        
 *  digital_gain_index      [IN]        
 * RETURNS
 *  void
 *****************************************************************************/
void aud_vm_set_output_volume(kal_uint8 volume1, kal_int8 digital_gain_index)
{
    /*----------------------------------------------------------------*/
    /* Local Variables                                                */
    /*----------------------------------------------------------------*/

    /*----------------------------------------------------------------*/
    /* Code Body                                                      */
    /*----------------------------------------------------------------*/
    AUD_TRACE_VOLUME(AUD_VOLUME_MEDIA, volume1, digital_gain_index) Media_SetOutputVolume(volume1, digital_gain_index);
}


/*****************************************************************************
 * FUNCTION
 *  aud_vm_set_output_device
 * DESCRIPTION
 *  
 * PARAMETERS
 *  device      [IN]        
 * RETURNS
 *  void
 *****************************************************************************/
void aud_vm_set_output_device(kal_uint8 device)
{
    /*----------------------------------------------------------------*/
    /* Local Variables                                                */
    /*----------------------------------------------------------------*/

    /*----------------------------------------------------------------*/
    /* Code Body                                                      */
    /*----------------------------------------------------------------*/
    AUD_TRACE_PATH(AUD_TYPE_VM, device, -1) Media_SetOutputDevice(device);
}