9832     register JPEG_BLOCK_TYPE *pdata;  in msAPI_JPEG_idct()  local
9838     pdata = data;  in msAPI_JPEG_idct()
9842         if ( ( pdata[1] | pdata[2] | pdata[3] | pdata[4] | pdata[5] | pdata[6] | pdata[7] ) == 0 )  in msAPI_JPEG_idct()
9844             MS_S16 dc_val = ( MS_S16 )( pdata[0] << 2 );  in msAPI_JPEG_idct()
9855             pdata += 8;       /* advance pointer to next row */  in msAPI_JPEG_idct()
9860         a2 = ( MS_S32 )pdata[2];  in msAPI_JPEG_idct()
9861         a3 = ( MS_S32 )pdata[6];  in msAPI_JPEG_idct()
9867         t0 = ( ( MS_S32 )pdata[0] + ( MS_S32 )pdata[4] ) << 13;  in msAPI_JPEG_idct()
9868         t1 = ( ( MS_S32 )pdata[0] - ( MS_S32 )pdata[4] ) << 13;  in msAPI_JPEG_idct()
9875         t0 = ( MS_S32 )pdata[7];  in msAPI_JPEG_idct()
9876         t1 = ( MS_S32 )pdata[5];  in msAPI_JPEG_idct()
9877         t2 = ( MS_S32 )pdata[3];  in msAPI_JPEG_idct()
9878         t3 = ( MS_S32 )pdata[1];  in msAPI_JPEG_idct()
9912         pdata += 8;  in msAPI_JPEG_idct()
9916     pdata = workspace;  in msAPI_JPEG_idct()
9921 …if ( ( pdata[8 * 1] | pdata[8 * 2] | pdata[8 * 3] | pdata[8 * 4] | pdata[8 * 5] | pdata[8 * 6] | p…  in msAPI_JPEG_idct()
9923             MS_S16 dc_val = ( MS_S16 )DESCALE( ( MS_S32 )pdata[0], 2 + 3 ) + 128;  in msAPI_JPEG_idct()
9932                 pdata++;  in msAPI_JPEG_idct()
9943                 pdata++;  in msAPI_JPEG_idct()
9955                 pdata++;  in msAPI_JPEG_idct()
9966             pdata++;  in msAPI_JPEG_idct()
9971         a2 = ( MS_S32 )pdata[8 * 2];  in msAPI_JPEG_idct()
9972         a3 = ( MS_S32 )pdata[8 * 6];  in msAPI_JPEG_idct()
9978         t0 = ( ( MS_S32 )pdata[8 * 0] + ( MS_S32 )pdata[8 * 4] ) << 13;  in msAPI_JPEG_idct()
9979         t1 = ( ( MS_S32 )pdata[8 * 0] - ( MS_S32 )pdata[8 * 4] ) << 13;  in msAPI_JPEG_idct()
9986         t0 = ( MS_S32 )pdata[8 * 7];  in msAPI_JPEG_idct()
9987         t1 = ( MS_S32 )pdata[8 * 5];  in msAPI_JPEG_idct()
9988         t2 = ( MS_S32 )pdata[8 * 3];  in msAPI_JPEG_idct()
9989         t3 = ( MS_S32 )pdata[8 * 1];  in msAPI_JPEG_idct()
10021             pdata++;  in msAPI_JPEG_idct()
10034             pdata++;  in msAPI_JPEG_idct()
10051             pdata++;  in msAPI_JPEG_idct()
10076         pdata++;  in msAPI_JPEG_idct()