21 |
; * along with this program ; if not, write to the Free Software |
; * along with this program ; if not, write to the Free Software |
22 |
; * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
; * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
23 |
; * |
; * |
24 |
; * $Id: quantize_mpeg_mmx.asm,v 1.13 2008-11-26 23:35:50 Isibaar Exp $ |
; * $Id: quantize_mpeg_mmx.asm,v 1.14 2008-12-04 14:41:50 Isibaar Exp $ |
25 |
; * |
; * |
26 |
; *************************************************************************/ |
; *************************************************************************/ |
27 |
|
|
111 |
; Code |
; Code |
112 |
;============================================================================= |
;============================================================================= |
113 |
|
|
114 |
SECTION .rotext align=SECTION_ALIGN |
TEXT |
115 |
|
|
116 |
cglobal quant_mpeg_intra_mmx |
cglobal quant_mpeg_intra_mmx |
117 |
cglobal quant_mpeg_inter_mmx |
cglobal quant_mpeg_inter_mmx |
187 |
QUANT_MMX(7) |
QUANT_MMX(7) |
188 |
|
|
189 |
; calculate DC |
; calculate DC |
190 |
movsx _EAX, word [_EAX] ; data[0] |
XVID_MOVSX _EAX, word [_EAX] ; data[0] |
191 |
mov TMP0, prm4 ; dcscalar |
mov TMP0, prm4 ; dcscalar |
192 |
mov _EDX, _EAX |
mov _EDX, _EAX |
193 |
shr TMP0, 1 ; TMP0 = dcscalar/2 |
shr TMP0, 1 ; TMP0 = dcscalar/2 |