aud_media.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_media.c
 *
 * Project:
 * --------
 *   Maui
 *
 * Description:
 * ------------
 *   This file includes media 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!
 *
 * removed!
 * removed!
 * removed!
 *
 * removed!
 * removed!
 * removed!
 *
 * removed!
 * removed!
 * removed!
 *
 * removed!
 * removed!
 * removed!
 *
 * removed!
 * removed!
 * removed!
 *
 * removed!
 * removed!
 * removed!
 *
 * removed!
 * removed!
 * removed!
 *
 * removed!
 * removed!
 * removed!
 *
 * removed!
 * removed!
 * removed!
 *
 * removed!
 * removed!
 * removed!
 *
 * removed!
 * removed!
 * removed!
 *
 * removed!
 * removed!
 * removed!
 *
 * removed!
 * removed!
 * removed!
 *
 * removed!
 * removed!
 * removed!
 *
 * removed!
 * removed!
 * removed!
 *
 * removed!
 * removed!
 * removed!
 *
 * removed!
 * removed!
 * removed!
 *
 * removed!
 * removed!
 * removed!
 *
 * removed!
 * removed!
 * removed!
 *
 * removed!
 * removed!
 * removed!
 *
 * removed!
 * removed!
 * removed!
 *
 * removed!
 * removed!
 * removed!
 *
 * removed!
 * removed!
 * removed!
 *
 * removed!
 * removed!
 * removed!
 *
 * removed!
 * removed!
 * removed!
 *
 * removed!
 * removed!
 * removed!
 *
 * removed!
 * removed!
 * removed!
 *
 * removed!
 * removed!
 * removed!
 *
 * removed!
 * removed!
 * removed!
 *
 * removed!
 * removed!
 * removed!
 *
 * removed!
 * removed!
 * removed!
 *
 * removed!
 * removed!
 * removed!
 *
 * removed!
 * removed!
 * removed!
 *
 * removed!
 * removed!
 * removed!
 *
 * removed!
 * removed!
 * removed!
 *
 * removed!
 * removed!
 * removed!
 *
 * removed!
 * removed!
 * removed!
 *
 * removed!
 * removed!
 * removed!
 *
 * removed!
 * removed!
 * removed!
 *
 * removed!
 * removed!
 * removed!
 *
 * removed!
 * removed!
 * removed!
 *
 * removed!
 * removed!
 * removed!
 *
 * removed!
 * removed!
 * removed!
 *
 * removed!
 * removed!
 * removed!
 *
 * removed!
 * removed!
 * removed!
 *
 * removed!
 * removed!
 * removed!
 *
 * removed!
 * removed!
 * removed!
 *
 * removed!
 * removed!
 * removed!
 *
 * removed!
 * removed!
 * removed!
 *
 * removed!
 * removed!
 * removed!
 *
 * removed!
 * removed!
 * removed!
 *
 * removed!
 * removed!
 * removed!
 *
 * removed!
 * removed!
 * removed!
 *
 * removed!
 * removed!
 * removed!
 *
 *------------------------------------------------------------------------------
 * Upper this line, this part is controlled by PVCS VM. DO NOT MODIFY!! 
 *==============================================================================
 *******************************************************************************/

/******************************************************************
 * MODULE
 *    AUD_MEDIA
 * DESCRIPTION
 *    This module defines the media related function for Audio Manager.
 *  
 ******************************************************************/

#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 */
#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 */
#include "app_buff_alloc.h"

/* global includes */
#include "l1audio.h"
#include "device.h"
#include "resource_audio.h"
#include "fat_fs.h"
/* DRM_REPLACE */
#include "drm_gprot.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"
#include "custom_equipment.h"

#ifdef MP4_CODEC
#include "FSAL.h"
#include "MP4_Parser.h"
#include "MP4_Producer_Audio.h"
#include "MP4_Sample_Data_Audio.h"
#include "drv_comm.h"
#include "visual_comm.h"
#include "lcd_if.h"
#include "rtc_sw.h"
#include "video_file_creator.h"
#include "bmd.h"
#include "video_enc_glb.h"
#include "video_dec_glb.h"
#include "video_glb.h"
#endif /* MP4_CODEC */ 

/* local includes */
#include "med_global.h"
#include "med_status.h"
#include "aud_defs.h"
#include "med_struct.h"
#include "med_api.h"
#include "med_context.h"
#include "med_main.h"
#include "aud_main.h"
#include "med_utility.h"
#if defined (__MED_VID_MOD__) || defined (__MED_MJPG_MOD__)
#include "vid_main.h"
#if defined (__MED_MJPG_AUDIO__)
#include "vid_avi.h"
#endif 
#endif /* defined (__MED_VID_MOD__) || defined (__MED_MJPG_MOD__) */ 

#ifdef __AUD_TRACE_ON__
#include "med_trc.h"
#endif 

#include "aud_daf_parser.h"
#include "aud_amr_parser.h"
#ifdef __RICH_AUDIO_PROFILE__
extern volatile kal_mutexid audio_input_stream_mutex;   /* from aud_input_stream.c */
#endif 

typedef MHdl *(*media_open_func_ptr) (void (*handler) (MHdl *hdl, Media_Event event), STFSAL *pstFSAL, void *param);
typedef Media_Status(*media_ctrl_func_ptr) (MHdl *hdl);
typedef void (*media_set_buf_func_ptr) (MHdl *hdl, kal_uint8 *buffer, kal_uint32 buf_len);
typedef Media_Status(*media_set_time_func_ptr) (MHdl *hdl, kal_uint32 msStartTime);
typedef Media_Event(*media_proc_func_ptr) (MHdl *hdl, Media_Event event);
typedef Media_Status(*media_get_info_func_ptr) (STFSAL *pstFSAL, audInfoStruct *contentInfo, void *param);

#define UNKNOWN_MEDIA_FORMAT 255

#define AMR_HEADER   "#!AMR\n"
#define AWB_HEADER   "#!AMR-WB\n"

#define RECORD_MEM_MARGIN (512)
#define GET_DWORD(x) (((kal_uint32)(x)[0]) | (((kal_uint32)(x)[1])<<16))
#define SET_DWORD(x,y) ((x)[0]=(kal_uint16)((y)&0xffff),x[1]=(kal_uint16)((y)>>16))
#define GET_BIG_DWORD(x) ((((kal_uint32)(x)[0])<<24) | (((kal_uint32)(x)[1])<<16) | (((kal_uint32)(x)[2])<<8) | ((kal_uint32)(x)[3]))
#define SET_BIG_DWORD(x,y) ((x)[0]=(kal_uint8)((y)>>24),x[1]=(kal_uint8)(((y)>>16)&0xff),x[2]=(kal_uint8)(((y)>>8)&0xff),(x)[3]=(kal_uint8)((y)&0xff))

extern kal_bool mediaIsDataConsumed(void);
extern int mediaGetDataCount(void);
extern void mhdlStoreFileOffset(void);

/* for store temp info in real resume mechanism */
kal_uint32 temp_last_time;
kal_uint32 temp_last_offset;

/*========== Local Variables =============*/

typedef struct
{