tvo_msg_handler.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) 2003
*
*******************************************************************************/

/*******************************************************************************
 * Filename:
 * ---------
 *   tvo_msg_handler.c
 *
 * Project:
 * --------
 *   Maui
 *
 * Description:
 * ------------
 *   This file includes message handle functions of tvout module.
 *
 * 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 =========*/
/* system 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 "app_buff_alloc.h"     /* Declaration of buffer management API */
#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"
#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 "med_main.h"
#include "aud_defs.h"
#include "med_struct.h"
#include "med_api.h"
#include "med_context.h"
#include "med_utility.h"
#include "med_smalloc.h"
#include "tvo_main.h"
#include "aud_main.h"
#include "fat_fs.h"

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

#ifdef __MED_TVO_MOD__
#include "tv_out.h"
#include "tvo_main.h"

/*==== FUNCTIONS ===========*/


/*****************************************************************************
 * FUNCTION
 *  tvo_tv_detect_check
 * DESCRIPTION
 *  This function is to check the tv state.
 * PARAMETERS
 *  arg     [?]     
 * RETURNS
 *  void
 *****************************************************************************/
void tvo_tv_detect_check(void *arg)
{
    /*----------------------------------------------------------------*/
    /* Local Variables                                                */
    /*----------------------------------------------------------------*/

    /*----------------------------------------------------------------*/
    /* Code Body                                                      */
    /*----------------------------------------------------------------*/
    switch (tvo_context_p->state)
    {
        case TVO_READY:
            tvo_context_p->tv_connected = tv_set_detection();
            TVO_VALUE_TRACE(tvo_context_p->tv_connected, tvo_context_p->state, __LINE__);
            /* start a timer to periodically check TV connect status */
            if (!tvo_context_p->tv_connected)
            {
                med_start_timer(TVO_CONNECT_POLLING_TIMER, TVO_TV_DETECT_PERIOD, tvo_tv_detect_check, 0);
            }
            break;
        case TVO_UPDATE:
            tvo_context_p->tv_connected = tv_set_detection();
            TVO_VALUE_TRACE(tvo_context_p->tv_connected, tvo_context_p->state, __LINE__);
            /* start a timer to periodically check TV connect status */
            if (!tvo_context_p->tv_connected)
            {
                med_start_timer(TVO_CONNECT_POLLING_TIMER, TVO_TV_DETECT_PERIOD, tvo_tv_detect_check, 0);
            }
            else
            {
                enable_tv_output(KAL_TRUE);
                aud_set_tv_out_aud_path(KAL_TRUE);
            }

            break;
    }
}


/*****************************************************************************
 * FUNCTION
 *  tvo_av_cable_detect_ind_hdlr
 * DESCRIPTION
 *  This function is to handle the av cable detected indication.
 * PARAMETERS
 *  ilm_ptr     [?]     
 * RETURNS
 *  void
 *****************************************************************************/
void tvo_av_cable_detect_ind_hdlr(ilm_struct *ilm_ptr)
{
    /*----------------------------------------------------------------*/
    /* Local Variables                                                */
    /*----------------------------------------------------------------*/
    media_tvo_av_cable_detect_ind_struct *ind_p;

    /*----------------------------------------------------------------*/
    /* Code Body                                                      */
    /*----------------------------------------------------------------*/
    ind_p = (media_tvo_av_cable_detect_ind_struct*) ilm_ptr->local_para_ptr;

    if (ind_p->result == 1) /* plug-in */
    {
        switch (tvo_context_p->state)
        {
            case TVO_IDLE:
            {
                init_tv();

                tvo_context_p->tv_connected = tv_set_detection();
                TVO_VALUE_TRACE(tvo_context_p->tv_connected, tvo_context_p->state, __LINE__);
                /* send message to inform MMI that TV is connected */
                tvo_send_tv_connect_ind(KAL_TRUE);
                /* start a timer to periodically check TV connect status */
                if (!tvo_context_p->tv_connected)
                {
                    med_start_timer(TVO_CONNECT_POLLING_TIMER, TVO_TV_DETECT_PERIOD, tvo_tv_detect_check, 0);
                }
                TVO_ENTER_STATE(TVO_READY);
                aud_set_tv_out_aud_path(KAL_TRUE);
                break;
            }
            default:
                break;
        }
    }
    else    /* plug-out */
    {
        switch (tvo_context_p->state)
        {
            case TVO_READY:
            {
                deinit_tv();
                med_stop_timer(TVO_CONNECT_POLLING_TIMER);
                /* send message to inform MMI that TV is disconnected */
                tvo_send_tv_connect_ind(KAL_FALSE);
                TVO_ENTER_STATE(TVO_IDLE);
                aud_set_tv_out_aud_path(KAL_FALSE);
                break;
            }
            case TVO_UPDATE:
            {
                deinit_tv();
                med_stop_timer(TVO_CONNECT_POLLING_TIMER);
                /* send message to inform MMI that TV is disconnected */
                tvo_send_tv_connect_ind(KAL_FALSE);
                TVO_ENTER_STATE(TVO_IDLE);
                aud_set_tv_out_aud_path(KAL_FALSE);
                break;
            }
            default: