9220     register JPEG_BLOCK_TYPE *pdata;  in msAPI_JPEG_idct()  local
9226     pdata = data;  in msAPI_JPEG_idct()
9230         if ( ( pdata[1] | pdata[2] | pdata[3] | pdata[4] | pdata[5] | pdata[6] | pdata[7] ) == 0 )  in msAPI_JPEG_idct()
9232             MS_S16 dc_val = ( MS_S16 )( pdata[0] << 2 );  in msAPI_JPEG_idct()
9243             pdata += 8;       /* advance pointer to next row */  in msAPI_JPEG_idct()
9248         a2 = ( MS_S32 )pdata[2];  in msAPI_JPEG_idct()
9249         a3 = ( MS_S32 )pdata[6];  in msAPI_JPEG_idct()
9255         t0 = ( ( MS_S32 )pdata[0] + ( MS_S32 )pdata[4] ) << 13;  in msAPI_JPEG_idct()
9256         t1 = ( ( MS_S32 )pdata[0] - ( MS_S32 )pdata[4] ) << 13;  in msAPI_JPEG_idct()
9263         t0 = ( MS_S32 )pdata[7];  in msAPI_JPEG_idct()
9264         t1 = ( MS_S32 )pdata[5];  in msAPI_JPEG_idct()
9265         t2 = ( MS_S32 )pdata[3];  in msAPI_JPEG_idct()
9266         t3 = ( MS_S32 )pdata[1];  in msAPI_JPEG_idct()
9300         pdata += 8;  in msAPI_JPEG_idct()
9304     pdata = workspace;  in msAPI_JPEG_idct()
9309 …if ( ( pdata[8 * 1] | pdata[8 * 2] | pdata[8 * 3] | pdata[8 * 4] | pdata[8 * 5] | pdata[8 * 6] | p…  in msAPI_JPEG_idct()
9311             MS_S16 dc_val = ( MS_S16 )DESCALE( ( MS_S32 )pdata[0], 2 + 3 ) + 128;  in msAPI_JPEG_idct()
9320                 pdata++;  in msAPI_JPEG_idct()
9331                 pdata++;  in msAPI_JPEG_idct()
9343                 pdata++;  in msAPI_JPEG_idct()
9354             pdata++;  in msAPI_JPEG_idct()
9359         a2 = ( MS_S32 )pdata[8 * 2];  in msAPI_JPEG_idct()
9360         a3 = ( MS_S32 )pdata[8 * 6];  in msAPI_JPEG_idct()
9366         t0 = ( ( MS_S32 )pdata[8 * 0] + ( MS_S32 )pdata[8 * 4] ) << 13;  in msAPI_JPEG_idct()
9367         t1 = ( ( MS_S32 )pdata[8 * 0] - ( MS_S32 )pdata[8 * 4] ) << 13;  in msAPI_JPEG_idct()
9374         t0 = ( MS_S32 )pdata[8 * 7];  in msAPI_JPEG_idct()
9375         t1 = ( MS_S32 )pdata[8 * 5];  in msAPI_JPEG_idct()
9376         t2 = ( MS_S32 )pdata[8 * 3];  in msAPI_JPEG_idct()
9377         t3 = ( MS_S32 )pdata[8 * 1];  in msAPI_JPEG_idct()
9409             pdata++;  in msAPI_JPEG_idct()
9422             pdata++;  in msAPI_JPEG_idct()
9439             pdata++;  in msAPI_JPEG_idct()
9464         pdata++;  in msAPI_JPEG_idct()