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| author | Jason Garrett-Glaser <darkshikari@gmail.com> | 2010-06-29 01:41:59 +0000 |
|---|---|---|
| committer | Jason Garrett-Glaser <darkshikari@gmail.com> | 2010-06-29 01:41:59 +0000 |
| commit | 004cda8e79d839209e636fd97bec1090d53936b5 (patch) | |
| tree | cfa8430fddd8f66dccbd35f1566a43fac8d4e9b4 /libavcodec/x86/vp8dsp.asm | |
| parent | 37355fe823170537d97d9858877a928c645984f4 (diff) | |
Add mmxext version of VP8 DC Hadamard transform
Originally committed as revision 23878 to svn://svn.ffmpeg.org/ffmpeg/trunk
Diffstat (limited to 'libavcodec/x86/vp8dsp.asm')
| -rw-r--r-- | libavcodec/x86/vp8dsp.asm | 46 |
1 files changed, 46 insertions, 0 deletions
diff --git a/libavcodec/x86/vp8dsp.asm b/libavcodec/x86/vp8dsp.asm index 7c366edc06..118d07196e 100644 --- a/libavcodec/x86/vp8dsp.asm +++ b/libavcodec/x86/vp8dsp.asm @@ -21,6 +21,7 @@ ;****************************************************************************** %include "x86inc.asm" +%include "x86util.asm" SECTION_RODATA @@ -141,6 +142,7 @@ filter_h6_shuf1: db 0, 5, 1, 6, 2, 7, 3, 8, 4, 9, 5, 10, 6, 11, 7, 12 filter_h6_shuf2: db 1, 2, 2, 3, 3, 4, 4, 5, 5, 6, 6, 7, 7, 8, 8, 9 filter_h6_shuf3: db 3, 4, 4, 5, 5, 6, 6, 7, 7, 8, 8, 9, 9, 10, 10, 11 +cextern pw_3 cextern pw_4 cextern pw_64 @@ -920,3 +922,47 @@ cglobal vp8_idct_dc_add_sse4, 3, 3, 6 pextrd [r1], xmm2, 2 pextrd [r1+r2], xmm2, 3 RET + +;----------------------------------------------------------------------------- +; void vp8_luma_dc_wht_mmxext(DCTELEM block[4][4][16], DCTELEM dc[16]) +;----------------------------------------------------------------------------- + +%macro SCATTER_WHT 1 + pextrw r1d, m0, %1 + pextrw r2d, m1, %1 + mov [r0+2*16*0], r1w + mov [r0+2*16*1], r2w + pextrw r1d, m2, %1 + pextrw r2d, m3, %1 + mov [r0+2*16*2], r1w + mov [r0+2*16*3], r2w +%endmacro + +%macro HADAMARD4_1D 4 + SUMSUB_BADC m%2, m%1, m%4, m%3 + SUMSUB_BADC m%4, m%2, m%3, m%1 + SWAP %1, %4, %3 +%endmacro + +INIT_MMX +cglobal vp8_luma_dc_wht_mmxext, 2,3 + movq m0, [r1] + movq m1, [r1+8] + movq m2, [r1+16] + movq m3, [r1+24] + HADAMARD4_1D 0, 1, 2, 3 + TRANSPOSE4x4W 0, 1, 2, 3, 4 + paddw m0, [pw_3] + HADAMARD4_1D 0, 1, 2, 3 + psraw m0, 3 + psraw m1, 3 + psraw m2, 3 + psraw m3, 3 + SCATTER_WHT 0 + add r0, 2*16*4 + SCATTER_WHT 1 + add r0, 2*16*4 + SCATTER_WHT 2 + add r0, 2*16*4 + SCATTER_WHT 3 + RET |