/********************************************
* NAME: cc_vbi_show_on
* set vbi display or not
*
* Returns : none
* Parameter Flow Description
*
* ------------------------------------------------------------------------------
* BOOL bOn IN Show CC via VBI. TRUE: Show, False: Not Show
* ------------------------------------------------------------------------------
* Additional information:
******************************************/
void cc_vbi_show_on(BOOL bOn)
{
#define CMD_ERASE_DISPLAYED_MEMORY_NONDIS_CH1 0x94
#define CMD_ERASE_DISPLAYED_MEMORY_NONDIS_CH2 0x1C
#define CMD_ERASE_DISPLAYED_MEMORY_DIS 0x2C
UINT16 bdata1,bdata2;
if(bOn)
{
disable_vbioutput(FALSE);
}
else
{
disable_vbioutput(TRUE);
//Erase Channel 1
bdata1=CMD_ERASE_DISPLAYED_MEMORY_NONDIS_CH1;
bdata2=CMD_ERASE_DISPLAYED_MEMORY_DIS;
sub_sdhd_write_cc_data(0,(bdata2<<8)|bdata1); // 1:top, 0:bot
sub_sdhd_write_cc_data(1,(bdata2<<8)|bdata1); // 1:top, 0:bot
//Erase Channel 2
bdata1=CMD_ERASE_DISPLAYED_MEMORY_NONDIS_CH2;
bdata2=CMD_ERASE_DISPLAYED_MEMORY_DIS;
sub_sdhd_write_cc_data(0,(bdata2<<8)|bdata1); // 1:top, 0:bot
sub_sdhd_write_cc_data(1,(bdata2<<8)|bdata1); // 1:top, 0:bot
}
}
/********************************************
* NAME: atsc_user_data_cc
* callback func to: 1 vbi output, 2 push user data for cc and dtvcc using
*
* Returns : void
*
* Parameter Flow Description
* ------------------------------------------------------------------------------
* UINT8 FieldPolar IN no use
* ------------------------------------------------------------------------------
* Additional information:
******************************************/
static void atsc_user_data_cc(UINT8 FieldPolar)
{
UINT8 i=0,j=0,cc_cnt=0;
UINT8 byte1,byte2, pariety_check_1=0,pariety_check_2=0;
UINT8 cc_field=0;
BOOL push_1=FALSE, push_2=FALSE;
static BOOL XDS=FALSE;
//if(FieldPolar == 0) return;// current is Top field linemeet ,return
UINT8 rd_idx;
//g_vbi_priv->vbi_line21_push_by_cc((((g_user_data[rd_idx][i*3+8])&0X7F)<<8)|(g_user_data[rd_idx][i*3+9])&0X7F);
//
if(g_user_data_array_cnt>0)
{
rd_idx = g_user_data_array_rd;
if(g_user_data[rd_idx][0]==0x47 //'G'
&&g_user_data[rd_idx][1]==0x41 //'A'
&&g_user_data[rd_idx][2]==0x39 //'9'
&&g_user_data[rd_idx][3]==0x34 //'4'
&&g_user_data[rd_idx][4]==0x03 //cc indicator
&&(g_user_data[rd_idx][5]&0x40)==0x40 //process_cc_data_flag
)
{
cc_cnt = g_user_data[rd_idx][5]&0x1f;
/*
if(*ccg_vbi27_cc_by_osd != 0)
cc_cnt = (cc_cnt>2)?2:cc_cnt;// xing 20070522 for DTVCC unused
*/
//em_data = g_user_data[6];
//ccvbi_CC=FALSE;
for(i=0;i<cc_cnt;i++)
{
if((g_user_data[rd_idx][i*3+7]&0x04) == 0x04)//cc_valid == 1
{
pariety_check_1=0;pariety_check_2=0;
byte1=(g_user_data[rd_idx][i*3+8])&0x7F;
byte2=(g_user_data[rd_idx][i*3+9])&0x7F;
if((byte1==0x01 && byte2==0x05) ||(byte1==0x09 && byte2==0x01) || (byte1==0x09 && byte2==0x02) \
|| (byte1==0x0a && byte2==0x01) || (byte1==0x0a && byte2==0x02) ) //v-chip , puplic service & puplic service cont.
XDS=TRUE;
if((byte1>=0x10&&byte1<=0x1f)&&(!(byte2>0x2f&&byte2<0x40)) && byte2>=0x20&&byte2<=0x7f)//control data
XDS=FALSE;
//===
if((byte1>=0x10&&byte1<=0x1f)&&(!(byte2>0x2f&&byte2<0x40)) && byte2>=0x20&&byte2<=0x7f && \
(!((byte1==0x12 || byte1==0x13|| byte1==0x1A|| byte1==0x1B) && (byte2>0x1f&&byte2<0x40) )))
{
ccvbi_CC=TRUE;
}
//===
push_1 = (*ccg_vbi27_cc_by_osd==0x00 || *ccg_vbi27_cc_by_osd==0x01 || *ccg_vbi27_cc_by_osd==0x02|| *ccg_vbi27_cc_by_osd==0x05|| *ccg_vbi27_cc_by_osd==0x06);
push_2 = ( XDS || *ccg_vbi27_cc_by_osd==0x00 || *ccg_vbi27_cc_by_osd==0x03 || *ccg_vbi27_cc_by_osd==0x04|| *ccg_vbi27_cc_by_osd==0x07|| *ccg_vbi27_cc_by_osd==0x08);
if((g_user_data[rd_idx][i*3+7]&0x03) == 0x00)//NTSC_CC_FIELD_1
{
for(j=0;j<8;j++)//pariety check
{
if( (((g_user_data[rd_idx][i*3+8])>>j)&0x01) == 0x01) pariety_check_1 += 1;
if( (((g_user_data[rd_idx][i*3+9])>>j)&0x01) == 0x01) pariety_check_2 += 1;
//libc_printf("%3x - %3x\n",(g_user_data[rd_idx][i*3+8]),(g_user_data[rd_idx][i*3+9]));
}
if( (pariety_check_1 % 2)==0 || (pariety_check_2 % 2)==0 ) continue;
cc_field=1;
if(TRUE == ccg_vbi27_pconfig_par->cc_by_vbi && g_disable_vbioutput==FALSE)
sub_sdhd_write_cc_data(1,(g_user_data[rd_idx][i*3+9]<<8)|g_user_data[rd_idx][i*3+8]); // 1:top, 0:bot
//ccvbi_CC=TRUE;
if(ccg_disable_process_cc==TRUE)
{
//soc_printf("ccrecv_PAC=%d\n",ccrecv_PAC);
ccrecv_PAC=FALSE;
//MEMSET(g_user_data[rd_idx],0x00,USER_DATA_LENGTH_MAX);
//return;
}
if(push_1 )//cc1 cc2 tt1 tt2
{
if(NULL != g_vbi_priv->vbi_line21_push_by_cc)
{
cc_push_field(cc_field);
g_vbi_priv->vbi_line21_push_by_cc((byte1<<8)|byte2);
}
}
//
}
else if((g_user_data[rd_idx][i*3+7]&0x03) == 0x01)//NTSC_CC_FIELD_2
{
for(j=0;j<8;j++)//pariety check
{
if( (((g_user_data[rd_idx][i*3+8])>>j)&0x01) == 0x01) pariety_check_1 += 1;
if( (((g_user_data[rd_idx][i*3+9])>>j)&0x01) == 0x01) pariety_check_2 += 1;
}
if( (pariety_check_1 % 2)==0 || (pariety_check_2 % 2)==0 ) continue;
cc_field=2;
if(TRUE == ccg_vbi27_pconfig_par->cc_by_vbi && g_disable_vbioutput==FALSE)
sub_sdhd_write_cc_data(0,(g_user_data[rd_idx][i*3+9]<<8)|g_user_data[rd_idx][i*3+8]); // 1:top, 0:bot
//ccvbi_CC=TRUE;
if(ccg_disable_process_cc==TRUE)
{
ccrecv_PAC=FALSE;
//MEMSET(g_user_data[rd_idx],0x00,USER_DATA_LENGTH_MAX);
//return;
}
if(push_2 )//cc3 cc4 tt3 tt4
if(NULL != g_vbi_priv->vbi_line21_push_by_cc)
{
cc_push_field(cc_field);
g_vbi_priv->vbi_line21_push_by_cc((byte1<<8)|byte2);
}
}
else if((((g_user_data[rd_idx][i*3+7]&0x03) == 0x03) || ((g_user_data[rd_idx][i*3+7]&0x03) == 0x02)) && (g_dtv_cc_service !=0) && (*ccg_vbi27_cc_by_osd==0x00)) //xing 20070522 for DTVCC Packet Start
