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authorJason Garrett-Glaser <jason@x264.com>2011-06-03 01:12:28 -0700
committerJason Garrett-Glaser <jason@x264.com>2011-06-13 12:21:39 -0700
commitc9c493872c385cff304438ee404e38e55f04af28 (patch)
tree4c0ee47f9c0c4a00d63423a84a5f30bf2e3b0a92 /libavcodec/x86/h264_idct.asm
parent25f05ddb1af4bd398fa92cd135e48fafe23bd92a (diff)
4:4:4 H.264 decoding support
Note: this is 4:4:4 from the 2007 spec revision, not the previous (now deprecated) 4:4:4 mode in H.264.
Diffstat (limited to 'libavcodec/x86/h264_idct.asm')
-rw-r--r--libavcodec/x86/h264_idct.asm44
1 files changed, 27 insertions, 17 deletions
diff --git a/libavcodec/x86/h264_idct.asm b/libavcodec/x86/h264_idct.asm
index f90f41c4bc..4788da98e0 100644
--- a/libavcodec/x86/h264_idct.asm
+++ b/libavcodec/x86/h264_idct.asm
@@ -32,14 +32,18 @@
SECTION_RODATA
; FIXME this table is a duplicate from h264data.h, and will be removed once the tables from, h264 have been split
-scan8_mem: db 4+1*8, 5+1*8, 4+2*8, 5+2*8
- db 6+1*8, 7+1*8, 6+2*8, 7+2*8
- db 4+3*8, 5+3*8, 4+4*8, 5+4*8
- db 6+3*8, 7+3*8, 6+4*8, 7+4*8
- db 1+1*8, 2+1*8
- db 1+2*8, 2+2*8
- db 1+4*8, 2+4*8
- db 1+5*8, 2+5*8
+scan8_mem: db 4+ 1*8, 5+ 1*8, 4+ 2*8, 5+ 2*8
+ db 6+ 1*8, 7+ 1*8, 6+ 2*8, 7+ 2*8
+ db 4+ 3*8, 5+ 3*8, 4+ 4*8, 5+ 4*8
+ db 6+ 3*8, 7+ 3*8, 6+ 4*8, 7+ 4*8
+ db 4+ 6*8, 5+ 6*8, 4+ 7*8, 5+ 7*8
+ db 6+ 6*8, 7+ 6*8, 6+ 7*8, 7+ 7*8
+ db 4+ 8*8, 5+ 8*8, 4+ 9*8, 5+ 9*8
+ db 6+ 8*8, 7+ 8*8, 6+ 9*8, 7+ 9*8
+ db 4+11*8, 5+11*8, 4+12*8, 5+12*8
+ db 6+11*8, 7+11*8, 6+12*8, 7+12*8
+ db 4+13*8, 5+13*8, 4+14*8, 5+14*8
+ db 6+13*8, 7+13*8, 6+14*8, 7+14*8
%ifdef PIC
%define scan8 r11
%else
@@ -617,6 +621,8 @@ cglobal h264_idct_add8_8_mmx, 5, 7, 0
mov r10, r0
%endif
call h264_idct_add8_mmx_plane
+ mov r5, 32
+ add r2, 384
%ifdef ARCH_X86_64
add r10, gprsize
%else
@@ -678,6 +684,8 @@ cglobal h264_idct_add8_8_mmx2, 5, 7, 0
lea r11, [scan8_mem]
%endif
call h264_idct_add8_mmx2_plane
+ mov r5, 32
+ add r2, 384
%ifdef ARCH_X86_64
add r10, gprsize
%else
@@ -810,12 +818,12 @@ cglobal h264_idct_add16intra_8_sse2, 5, 7, 8
test r0, r0
jz .try%1dc
%ifdef ARCH_X86_64
- mov r0d, dword [r1+%1*8+64]
+ mov r0d, dword [r1+(%1&1)*8+64*(1+(%1>>1))]
add r0, [r10]
%else
mov r0, r0m
mov r0, [r0]
- add r0, dword [r1+%1*8+64]
+ add r0, dword [r1+(%1&1)*8+64*(1+(%1>>1))]
%endif
call x264_add8x4_idct_sse2
jmp .cycle%1end
@@ -824,16 +832,18 @@ cglobal h264_idct_add16intra_8_sse2, 5, 7, 8
or r0w, word [r2+32]
jz .cycle%1end
%ifdef ARCH_X86_64
- mov r0d, dword [r1+%1*8+64]
+ mov r0d, dword [r1+(%1&1)*8+64*(1+(%1>>1))]
add r0, [r10]
%else
mov r0, r0m
mov r0, [r0]
- add r0, dword [r1+%1*8+64]
+ add r0, dword [r1+(%1&1)*8+64*(1+(%1>>1))]
%endif
call h264_idct_dc_add8_mmx2
.cycle%1end
-%if %1 < 3
+%if %1 == 1
+ add r2, 384+64
+%elif %1 < 3
add r2, 64
%endif
%endmacro
@@ -845,15 +855,15 @@ cglobal h264_idct_add8_8_sse2, 5, 7, 8
%ifdef ARCH_X86_64
mov r10, r0
%endif
- add8_sse2_cycle 0, 0x09
- add8_sse2_cycle 1, 0x11
+ add8_sse2_cycle 0, 0x34
+ add8_sse2_cycle 1, 0x3c
%ifdef ARCH_X86_64
add r10, gprsize
%else
add r0mp, gprsize
%endif
- add8_sse2_cycle 2, 0x21
- add8_sse2_cycle 3, 0x29
+ add8_sse2_cycle 2, 0x5c
+ add8_sse2_cycle 3, 0x64
RET
;void ff_h264_luma_dc_dequant_idct_mmx(DCTELEM *output, DCTELEM *input, int qmul)