解决mstar芯片638平台onAtvSignalEvent事件不上报问题

最新推荐文章于 2019-06-22 11:39:58 发布

haming6

最新推荐文章于 2019-06-22 11:39:58 发布

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CC 4.0 BY-SA版权

分类专栏： Android开发文章标签： Android framework onAtvSignalEvent 芯片

本文链接：https://blog.youkuaiyun.com/haming06/article/details/77678788

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在系统开发中遇到ATV信号源电缆插拔后界面显示无变化的问题，通过代码跟踪发现Mstar源码中默认不报告ATV无信号状态。通过对特定条件的调整解决了信号检测的缺失。

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系统开发过程中，发现对模拟信号源的电缆进行插拔操作，界面显示没有变化，跟踪代码发现原来onAtvSignalEvent事件没有上报上来，继续追溯源码，跟踪致HAL层，发现原来Mstar的源码对这一块有特殊处理，默认当输入信号源是ATV时不上报无信号的状态，把原本的条件去掉就行了，Mark一下！

/ vendor/mstar/supernova/projects/msrv/common/src/MSrv_Player.cpp

BOOL MSrv_Player::noSignalCheck_Handler(EN_SIGNAL_LOCK_CHECK_TYPE &status)
{
    //mapi_scope_lock(lock, &m_mutex);
    BOOL ret = TRUE;
    U32 MAX_NO_SIGNAL_RETRY_COUNT = 0;
    if(IsSrcDTV(m_CurrentSrcType) || IsSrcHDMI(m_CurrentSrcType))
    {
        if(MSrv_Control::GetInstance()->IsSourceChanging())
        {
            return ret;
        }
        MAX_NO_SIGNAL_RETRY_COUNT = DIGITAL_NO_SIGNAL_RETRY_COUNT;
    }
    else
    {
        MAX_NO_SIGNAL_RETRY_COUNT = ANALOG_NO_SIGNAL_RETRY_COUNT;
    }
    if(IsSignalStable() == TRUE)
    {
        status = E_SIGNAL_ALREADY_LOCK;

        m_u16SignalUnLockedCount = 0;
        if(m_u16SignalLockedCount == 0)
        {
            status = E_SIGNAL_LOCK;

            m_u16SignalLockedCount = 1;
            printf("Detect >>>>>>>>>>>>>>>> Signal Locked!!!\n");
#if (MSTAR_TVOS == 0)
            //CTV Patch Begin , removed by Haming , Post signal_lock event when current input source is ATV;
            //if(m_CurrentSrcType != MAPI_INPUT_SOURCE_ATV)
#endif
            //{
                if(m_PipXCWin == MAPI_MAIN_WINDOW)
                {
                    if (m_enSignalStatus != E_SIGNAL_LOCK)
                    {
                        ret = PostEvent(0, EV_SIGNAL_LOCK, m_CurrentSrcType);
                        if (FALSE == ret)
                        {
                            m_u16SignalLockedCount = 0; // force re-send this event
                        }
                        else
                        {
                            m_enSignalStatus = E_SIGNAL_LOCK;
                        }
                    }
                }
            //}
            // CTV Patch End
        }
    }
    else
    {
        BOOL bExceedRetryCount = FALSE;
        status = E_SIGNAL_UNLOCK;

        m_u16SignalLockedCount = 0;

        if(IsSrcDTV(m_CurrentSrcType)|| IsSrcHDMI(m_CurrentSrcType))
        {
            if(m_u16SignalUnLockedCount == DIGITAL_NO_SIGNAL_RETRY_COUNT)
            {
                bExceedRetryCount = TRUE;
            }
        }
        else
        {
            if(m_u16SignalUnLockedCount == ANALOG_NO_SIGNAL_RETRY_COUNT)
            {
                bExceedRetryCount = TRUE;
            }
        }

        if(bExceedRetryCount)
        {
            status = E_NOSIGNAL;

            m_u16SignalUnLockedCount++;
            printf("Detect >>>>>>>>>>>>>>>> Signal unLocked!!!\n");
            // CTV Patch Begin
            char value[8] = {};
            char atvBlueScreenProperty[8] = {};
            property_get("client.config",value,"0");
            property_get("ro.sys.atvbluescreen",atvBlueScreenProperty,"0");
            //CTV Patch Begin , removed by Haming , Post signal_lock event when current input source is ATV
            //if((m_CurrentSrcType != MAPI_INPUT_SOURCE_ATV) || (strcmp("PPTV",value) == 0) || (strncmp("1",atvBlueScreenProperty,1) == 0))
            // CTV Patch End
            //{
                printf(">>>>>>>>>>>>>>>> Set buleScreen!!!\n");
                if(m_PipXCWin == MAPI_MAIN_WINDOW)
                {
                    if (m_enSignalStatus != E_NOSIGNAL)
                    {
                        ret = PostEvent(0, EV_SIGNAL_UNLOCK, m_CurrentSrcType);
                        if (FALSE == ret)
                        {
                            m_u16SignalUnLockedCount--; // force re-send this event
                        }
                        else
                        {
                            m_enSignalStatus = E_NOSIGNAL;
                            // CTV Patch Begin
                            if (!IsSrcStorage(m_CurrentSrcType))
                            {
                                MS_BOOT_SETTING value;
                                MSrv_Control::GetInstance()->GetMSrvSystemDatabase()->GetBootSetting(&value);
                                mapi_video *pVideo;
                                pVideo = mapi_interface::Get_mapi_video(MSrv_Control::GetInstance()->GetCurrentInputSource());
                                if ((pVideo != NULL)
                                    && ((mapi_video_datatype::E_SCREEN_MUTE_BLACK != value.enMuteColor)// Bluescreen Flag
                                    || (mapi_video_datatype::E_SCREEN_MUTE_BLACK != value.enFrameColor)))
                                {
                                    pVideo->setMuteColor((mapi_video_datatype::MAPI_VIDEO_Screen_Mute_Color)value.enMuteColor, MUTE_ENGINE_XC);
                                    pVideo->setFrameColor((mapi_video_datatype::MAPI_VIDEO_Screen_Mute_Color)value.enFrameColor, MUTE_ENGINE_XC);
                                    if (pVideo->IsVideoMute() == MAPI_FALSE)
                                    {
                                        pVideo->SetVideoMute(MAPI_TRUE);
                                    }
                                }
                            }
                            // CTV Patch End
                        }
                    }
                }
            //}
            // CTV Patch End , removed by Haming
        }
        else if(m_u16SignalUnLockedCount < MAX_NO_SIGNAL_RETRY_COUNT)
        {
            ret = FALSE;
            m_u16SignalUnLockedCount++;
        }
    }
    return ret;
}