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| author | Marc Hoffman <mmhoffm@gmail.com> | 2007-06-22 00:12:44 +0000 |
|---|---|---|
| committer | Marc Hoffman <mmhoffm@gmail.com> | 2007-06-22 00:12:44 +0000 |
| commit | e9d4375f1a8760ca3b82321d53f26528c5e66a81 (patch) | |
| tree | 65fa0026f011225f3d9ce37012cf53843f312b94 | |
| parent | 45eeae39ac0978e97a7cb1703fa9f961894ce327 (diff) | |
| download | ffmpeg-e9d4375f1a8760ca3b82321d53f26528c5e66a81.tar.gz | |
re pipeline loop, to eliminate extra chroma reads
Originally committed as revision 23602 to svn://svn.mplayerhq.hu/mplayer/trunk/libswscale
| -rw-r--r-- | libswscale/internal_bfin.S | 30 |
1 files changed, 13 insertions, 17 deletions
diff --git a/libswscale/internal_bfin.S b/libswscale/internal_bfin.S index 9ed98c38eb..4d395870fe 100644 --- a/libswscale/internal_bfin.S +++ b/libswscale/internal_bfin.S @@ -496,30 +496,29 @@ DEFUN(uyvytoyv12, mL3, (const uint8_t *src, uint8_t *ydst, uint8_t *udst, uint8 r2 = r2 - r0; m1 = r2; - r6.l = w[i2--]; r6.l = w[i2]; - r6.h = w[i3--]; r6.h = w[i3]; /* I0,I1 - src input line pointers * p0,p1 - luma output line pointers * I2 - dstU * I3 - dstV */ - lsetup (0f, 1f) lc0 = p4; - -0: lsetup (2f, 3f) lc1 = p5; - r0 = [i0++] || r2 = [i1++]; - r1 = [i0++] || r3 = [i1++]; -2: r4 = byteop1p(r1:0, r3:2) || w[i2++] = r6.l; - r5 = byteop1p(r1:0, r3:2) (r) || w[i3++] = r6.h; - r0 = r0 >> 8(v); + lsetup (0f, 1f) lc1 = p4; // H/2 +0: r0 = [i0++] || r2 = [i1++]; + r1 = [i0++] || r3 = [i1++]; + r4 = byteop1p(r1:0, r3:2); + r5 = byteop1p(r1:0, r3:2) (r); + lsetup (2f, 3f) lc0 = p5; // W/4 +2: r0 = r0 >> 8(v); r1 = r1 >> 8(v); r2 = r2 >> 8(v); r3 = r3 >> 8(v); r0 = bytepack(r0, r1); - r2 = bytepack(r2, r3) || [p0++] = r0; - r6 = pack(r5.l, r4.l) || [p1++] = r2; - r7 = pack(r5.h, r4.h) || r0 = [i0++] || r2 = [i1++]; -3: r6 = bytepack(r6, r7) || r1 = [i0++] || r3 = [i1++]; + r2 = bytepack(r2, r3) || [p0++] = r0; // yyyy + r6 = pack(r5.l, r4.l) || [p1++] = r2; // yyyy + r7 = pack(r5.h, r4.h) || r0 = [i0++] || r2 = [i1++]; + r6 = bytepack(r6, r7) || r1 = [i0++] || r3 = [i1++]; + r4 = byteop1p(r1:0, r3:2) || w[i2++] = r6.l; // uu +3: r5 = byteop1p(r1:0, r3:2) (r) || w[i3++] = r6.h; // vv i0 += m0; i1 += m0; @@ -528,9 +527,6 @@ DEFUN(uyvytoyv12, mL3, (const uint8_t *src, uint8_t *ydst, uint8_t *udst, uint8 p0 = p0 + p2; 1: p1 = p1 + p2; - w[i2++] = r6.l; - w[i3++] = r6.h; - (r7:4,p5:4) = [sp++]; unlink; rts; |