ircmd_audio.c

mp3 player program please read carefully.

    //if(stream number == -1) invalid key, if(stream number == 1) print stream 1 message.
    if( (pDSV->dAv_AST_Ns == 255) || (pDSV->dAv_AST_Ns == 0))
    {
        invalid_key();
        return;    
    }
    else if(pDSV->dAv_AST_Ns == 1)
    {
    	// gary.huang 20070522, In DivX file, if only one audio track, we also show it.
    	#ifdef SUPPORT_DIVX6
    	extern UINT32 is_divx6_file;
        if(is_divx6_file)
        {
        	//if we want to show stream 1 OSD message:
        	PrintOsdMsg(STR_OS_AUDIO|(0x20<<OSDSTR_ID_TOTL_BIT),REGION1,1,4);
        }
        else
        #endif //SUPPORT_DIVX6
        {
	        //if we want to show invalid key:
	        invalid_key();
	        //if we want to show stream 1 OSD message:
	        //PrintOsdMsg(STR_OS_AUDIO|(0x20<<OSDSTR_ID_TOTL_BIT),REGION1,1,4);
	        return;
	    }
    }

    #ifdef SUPPORT_QUICKTIME   //lyc add 2005-12-09,for nero digital only one audio trk
    extern UINT32  uSoundTrackNum;
    if((uSoundTrackNum<=1)&&((IS_FILE_TYPE_QT())||(IS_FILE_TYPE_ND())))
    {
        invalid_key();
        return;
    }
    #endif  //#ifdef SUPPORT_QUICKTIME

    if(bDiscType == CD_OKO) 
    {
        //invalid_key();
        //return;
        id=1;
    }
    else if( is_language() ) //terry,2004/4/8 05:31PM
    {//check SVCD status_ext, to see whether this SVCD disc supports $C1
     //svcd_status_ext : INFO.SVCD(00:04:00) 2037th Byte
     //if(pDSV->dAv_AST_Ns<2)
     //id = 1;      //nono 2-3-11 for yuxing     
        //kevinmonkey move this mute to the moment we really changing the audio channel 
        //since now we not necessary want to change audio even action_click is true.
        //(situation is divx6. Say now we want to change to track 8. Press language only 
        //changes track setting, after switch to 8th track and wait for a few seconds then we 
        //do the change. This behavior avoid reparsing 6 times while switch through track 2~7.
        //if(action_click)//nono 2004-6-2 21:59
        //{
        //    audioNotContinuous=10;//terry,2004/2/25 07:21PM
        //    AUDIF_Set_Volume(0);//2004AUDDRV AudioSetVolume(0);
        //}
    }
    else if(!DVD_check_state())
    {
        id=1;
    }

    #ifdef VOB_SUBTITLE 
    if(GetCurrentFileType()==CDROM_MPG)
        id = 0;
    #endif  //#ifdef VOB_SUBTITLE 

    if(id)
    {
    #ifdef NEWSTYLE_WINDOW
        if(full_scrn&MESSAGE)//xyy 2003-7-30 8:53
            psprintf(linebuf,"%s",_OsdMessegeFont1[osd_font_mode][STR_OS_NONE]);
        else
    #endif  //#ifdef NEWSTYLE_WINDOW
        {
            invalid_key();
            return;
        }
    }

    //--------------------------------------------------------------------------------------------
    // Adjusting action_click to determine parameter passing into audio chainging sub-routine. 
    // Basically check conditions enabling action_click first, then those disabling action_click.
    //--------------------------------------------------------------------------------------------
    #if defined(ADJUSTING_ACTION_VALID_RIGHT_NOW)
    action_click = 1; //Jeff 20030506
    #endif  //#if defined(ADJUSTING_ACTION_VALID_RIGHT_NOW)

    #ifdef SUPPORT_DIVX6
    extern UINT32 mp4_aud_channel_flg;
    extern UINT32 is_divx6_file;
    // do not reset action_click before audio track is actually changed
    if ((is_divx6_file == 1) && (mp4_aud_channel_flg == 1))
        action_click = 1;
    #endif  //#ifdef SUPPORT_DIVX6    

    #ifdef NEWSTYLE_WINDOW
    if ( (full_scrn&MESSAGE) && (action_click==2) )	 
        action_click = 0;
    #endif  //#ifdef NEWSTYLE_WINDOW
    #ifdef SUPPORT_LINE_OUT_MUTE    //hongfeng add   
    if(action_click)
        use_rom_line_out_mute();
	#endif 
    
    //-----------------------------------------------------------------------------------
    // Call respective audio stream changing functions (depends on media type currently).
    //-----------------------------------------------------------------------------------
    if(cd_type_loaded == CDDVD)
    {
        id = Audio_stream_Chg(action_click, 1);
    }
    else if(cd_type_loaded == CDSVCD)
    {
        id = Audio_stream_Chg_SVCD(action_click);
    }
    #ifndef SUPPORT_MPG_FILE_PARSER
    else if(GetCurrentFileType() == CDROM_MPG)
    {
        #ifdef VOB_SUBTITLE
        id = Audio_stream_Chg_VOB(action_click);
        #endif  //#ifdef VOB_SUBTITLE
    }
    #endif  //#ifndef SUPPORT_MPG_FILE_PARSER
    #ifdef SUPPORT_MP4  //support mpeg4 or "support file parser framework", such as Nero Digital.
    else if(GetCurrentFileType() == CDROM_MP4)
    {
        #if defined(SUPPORT_MPG_FILE_PARSER)&&defined(VOB_SUBTITLE)
        if(IS_FILE_TYPE_MPG12())
        {
            id = Audio_stream_Chg_VOB(action_click);
        }else
        #endif  //#ifdef SUPPORT_MPG_FILE_PARSER
        {
            id = Audio_stream_Chg_MediaContainerFile(action_click);  //media container file type
        }
    }
    #endif  //#ifdef SUPPORT_MP4

    set_audio_pl2();
    //wangap add for downmix off volume 2004/3/3
    #ifndef AC3_BASS_MANAGEMENT
    if(downmix_off==1)
    {
        AUDIF_Set_FSPKGain(fspk_volume/2);//2004AUDDRV AudioSetFSPKGain(fspk_volume/2);
        AUDIF_Set_CSPKGain(cspk_volume/2);//2004AUDDRV AudioSetCSPKGain(cspk_volume/2);
        AUDIF_Set_SSPKGain(sspk_volume/2);//2004AUDDRV AudioSetSSPKGain(sspk_volume/2);
    }
    #endif  //#ifndef AC3_BASS_MANAGEMENT

#ifdef SUPPORT_LINE_OUT_MUTE    //hongfeng add   
    if(action_click)
        use_rom_line_out_demute();
#endif 

    //------------------
    // Showing message
    //------------------
    if (id!=0xf) 
    {//terry,2003/12/15 02:27PM,for Real time Video Format PAL, Philips 3122-783-01941
        OSD1000ISP_STATUS(((pDSV->dAv_AST_Ns)<<4)|(NP_ASTN+1&0x000f), OSDIR_LANGUAGE);

    #ifdef SUPPORT_DIVX6
        extern UINT32 is_divx6_file;
        extern void divx6_display_audio_track(UINT8	aud_strm_num);
        if (is_divx6_file == 1)
            divx6_display_audio_track(NP_ASTN);
        else
    #endif  //#ifdef SUPPORT_DIVX6
        {
            PrintOsdMsg(STR_OS_AUDIO|(0x20<<OSDSTR_ID_TOTL_BIT),REGION1,1|(((id-min_astn_id)<<8)),4);
        }
        counter_down = 5;//terry,2004/1/13 02:44PM
    }else   //id==0xf
    {
    #ifdef NEWSTYLE_WINDOW
        if(full_scrn&MESSAGE)//xyy 2003-7-30 8:53
        { 
        //when only one audio language,show"1/1" while not NONE
            psprintf(linebuf,"1/1");//zhaoyanhua add 2003-12-8 20:25
        }
        else
    #endif  //#ifdef NEWSTYLE_WINDOW
        {
            invalid_key();
        }
    }

    #ifdef TV_WANT_6500_AUDIO_MUTE//caoh 2006-7-11 02:59下午 only for some tv don't mute RAW and DTS audio
       if((cd_type_loaded==CDDVD)&&(pDSV->dAudio_coding_md == 6))
               scaler_6500_main();
    #endif

    #ifdef NEWSTYLE_WINDOW//zhaoyanhua add 2003-12-8 19:55			
    if(full_scrn&MESSAGE)			
    {
    //Maoyong add 2004.02.14 to avoid too long non-chinese language 
        if (!IsOSDChinese()||((linebuf[0]>='A')&&(linebuf[0]<='Z')))	
        {
            linebuf[MAX_ENG_WORDS]='\0';
            psprintf(linebuf+3, "%s", get_audio_mode());
        }
        updateAudioLanguage();
    }
    #endif  //#ifdef NEWSTYLE_WINDOW

    //------------------
    // Terminating
    //------------------
    return;

#endif//MAKE_ONLY_UPDATE_CODE:20050305 linrc only for make romA.bin(BootLoad).
}

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