| /* |
| * Copyright (C) 2004 the ffmpeg project |
| * |
| * This file is part of FFmpeg. |
| * |
| * FFmpeg is free software; you can redistribute it and/or |
| * modify it under the terms of the GNU Lesser General Public |
| * License as published by the Free Software Foundation; either |
| * version 2.1 of the License, or (at your option) any later version. |
| * |
| * FFmpeg is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| * Lesser General Public License for more details. |
| * |
| * You should have received a copy of the GNU Lesser General Public |
| * License along with FFmpeg; if not, write to the Free Software |
| * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
| */ |
| |
| /** |
| * @file libavcodec/x86/vp3dsp_mmx.c |
| * MMX-optimized functions cribbed from the original VP3 source code. |
| */ |
| |
| #include "libavutil/x86_cpu.h" |
| #include "libavcodec/dsputil.h" |
| #include "dsputil_mmx.h" |
| |
| extern const uint16_t ff_vp3_idct_data[]; |
| |
| // this is off by one or two for some cases when filter_limit is greater than 63 |
| // in: p0 in mm6, p1 in mm4, p2 in mm2, p3 in mm1 |
| // out: p1 in mm4, p2 in mm3 |
| #define VP3_LOOP_FILTER(flim) \ |
| "movq %%mm6, %%mm7 \n\t" \ |
| "pand "MANGLE(ff_pb_7 )", %%mm6 \n\t" /* p0&7 */ \ |
| "psrlw $3, %%mm7 \n\t" \ |
| "pand "MANGLE(ff_pb_1F)", %%mm7 \n\t" /* p0>>3 */ \ |
| "movq %%mm2, %%mm3 \n\t" /* mm3 = p2 */ \ |
| "pxor %%mm4, %%mm2 \n\t" \ |
| "pand "MANGLE(ff_pb_1 )", %%mm2 \n\t" /* (p2^p1)&1 */ \ |
| "movq %%mm2, %%mm5 \n\t" \ |
| "paddb %%mm2, %%mm2 \n\t" \ |
| "paddb %%mm5, %%mm2 \n\t" /* 3*(p2^p1)&1 */ \ |
| "paddb %%mm6, %%mm2 \n\t" /* extra bits lost in shifts */ \ |
| "pcmpeqb %%mm0, %%mm0 \n\t" \ |
| "pxor %%mm0, %%mm1 \n\t" /* 255 - p3 */ \ |
| "pavgb %%mm2, %%mm1 \n\t" /* (256 - p3 + extrabits) >> 1 */ \ |
| "pxor %%mm4, %%mm0 \n\t" /* 255 - p1 */ \ |
| "pavgb %%mm3, %%mm0 \n\t" /* (256 + p2-p1) >> 1 */ \ |
| "paddb "MANGLE(ff_pb_3 )", %%mm1 \n\t" \ |
| "pavgb %%mm0, %%mm1 \n\t" /* 128+2+( p2-p1 - p3) >> 2 */ \ |
| "pavgb %%mm0, %%mm1 \n\t" /* 128+1+(3*(p2-p1) - p3) >> 3 */ \ |
| "paddusb %%mm1, %%mm7 \n\t" /* d+128+1 */ \ |
| "movq "MANGLE(ff_pb_81)", %%mm6 \n\t" \ |
| "psubusb %%mm7, %%mm6 \n\t" \ |
| "psubusb "MANGLE(ff_pb_81)", %%mm7 \n\t" \ |
| \ |
| "movq "#flim", %%mm5 \n\t" \ |
| "pminub %%mm5, %%mm6 \n\t" \ |
| "pminub %%mm5, %%mm7 \n\t" \ |
| "movq %%mm6, %%mm0 \n\t" \ |
| "movq %%mm7, %%mm1 \n\t" \ |
| "paddb %%mm6, %%mm6 \n\t" \ |
| "paddb %%mm7, %%mm7 \n\t" \ |
| "pminub %%mm5, %%mm6 \n\t" \ |
| "pminub %%mm5, %%mm7 \n\t" \ |
| "psubb %%mm0, %%mm6 \n\t" \ |
| "psubb %%mm1, %%mm7 \n\t" \ |
| "paddusb %%mm7, %%mm4 \n\t" \ |
| "psubusb %%mm6, %%mm4 \n\t" \ |
| "psubusb %%mm7, %%mm3 \n\t" \ |
| "paddusb %%mm6, %%mm3 \n\t" |
| |
| #define STORE_4_WORDS(dst0, dst1, dst2, dst3, mm) \ |
| "movd "#mm", %0 \n\t" \ |
| "movw %w0, -1"#dst0" \n\t" \ |
| "psrlq $32, "#mm" \n\t" \ |
| "shr $16, %0 \n\t" \ |
| "movw %w0, -1"#dst1" \n\t" \ |
| "movd "#mm", %0 \n\t" \ |
| "movw %w0, -1"#dst2" \n\t" \ |
| "shr $16, %0 \n\t" \ |
| "movw %w0, -1"#dst3" \n\t" |
| |
| void ff_vp3_v_loop_filter_mmx2(uint8_t *src, int stride, int *bounding_values) |
| { |
| __asm__ volatile( |
| "movq %0, %%mm6 \n\t" |
| "movq %1, %%mm4 \n\t" |
| "movq %2, %%mm2 \n\t" |
| "movq %3, %%mm1 \n\t" |
| |
| VP3_LOOP_FILTER(%4) |
| |
| "movq %%mm4, %1 \n\t" |
| "movq %%mm3, %2 \n\t" |
| |
| : "+m" (*(uint64_t*)(src - 2*stride)), |
| "+m" (*(uint64_t*)(src - 1*stride)), |
| "+m" (*(uint64_t*)(src + 0*stride)), |
| "+m" (*(uint64_t*)(src + 1*stride)) |
| : "m"(*(uint64_t*)(bounding_values+129)) |
| ); |
| } |
| |
| void ff_vp3_h_loop_filter_mmx2(uint8_t *src, int stride, int *bounding_values) |
| { |
| x86_reg tmp; |
| |
| __asm__ volatile( |
| "movd -2(%1), %%mm6 \n\t" |
| "movd -2(%1,%3), %%mm0 \n\t" |
| "movd -2(%1,%3,2), %%mm1 \n\t" |
| "movd -2(%1,%4), %%mm4 \n\t" |
| |
| TRANSPOSE8x4(%%mm6, %%mm0, %%mm1, %%mm4, -2(%2), -2(%2,%3), -2(%2,%3,2), -2(%2,%4), %%mm2) |
| VP3_LOOP_FILTER(%5) |
| SBUTTERFLY(%%mm4, %%mm3, %%mm5, bw, q) |
| |
| STORE_4_WORDS((%1), (%1,%3), (%1,%3,2), (%1,%4), %%mm4) |
| STORE_4_WORDS((%2), (%2,%3), (%2,%3,2), (%2,%4), %%mm5) |
| |
| : "=&r"(tmp) |
| : "r"(src), "r"(src+4*stride), "r"((x86_reg)stride), "r"((x86_reg)3*stride), |
| "m"(*(uint64_t*)(bounding_values+129)) |
| : "memory" |
| ); |
| } |
| |
| /* from original comments: The Macro does IDct on 4 1-D Dcts */ |
| #define BeginIDCT() \ |
| "movq "I(3)", %%mm2 \n\t" \ |
| "movq "C(3)", %%mm6 \n\t" \ |
| "movq %%mm2, %%mm4 \n\t" \ |
| "movq "J(5)", %%mm7 \n\t" \ |
| "pmulhw %%mm6, %%mm4 \n\t" /* r4 = c3*i3 - i3 */ \ |
| "movq "C(5)", %%mm1 \n\t" \ |
| "pmulhw %%mm7, %%mm6 \n\t" /* r6 = c3*i5 - i5 */ \ |
| "movq %%mm1, %%mm5 \n\t" \ |
| "pmulhw %%mm2, %%mm1 \n\t" /* r1 = c5*i3 - i3 */ \ |
| "movq "I(1)", %%mm3 \n\t" \ |
| "pmulhw %%mm7, %%mm5 \n\t" /* r5 = c5*i5 - i5 */ \ |
| "movq "C(1)", %%mm0 \n\t" \ |
| "paddw %%mm2, %%mm4 \n\t" /* r4 = c3*i3 */ \ |
| "paddw %%mm7, %%mm6 \n\t" /* r6 = c3*i5 */ \ |
| "paddw %%mm1, %%mm2 \n\t" /* r2 = c5*i3 */ \ |
| "movq "J(7)", %%mm1 \n\t" \ |
| "paddw %%mm5, %%mm7 \n\t" /* r7 = c5*i5 */ \ |
| "movq %%mm0, %%mm5 \n\t" /* r5 = c1 */ \ |
| "pmulhw %%mm3, %%mm0 \n\t" /* r0 = c1*i1 - i1 */ \ |
| "paddsw %%mm7, %%mm4 \n\t" /* r4 = C = c3*i3 + c5*i5 */ \ |
| "pmulhw %%mm1, %%mm5 \n\t" /* r5 = c1*i7 - i7 */ \ |
| "movq "C(7)", %%mm7 \n\t" \ |
| "psubsw %%mm2, %%mm6 \n\t" /* r6 = D = c3*i5 - c5*i3 */ \ |
| "paddw %%mm3, %%mm0 \n\t" /* r0 = c1*i1 */ \ |
| "pmulhw %%mm7, %%mm3 \n\t" /* r3 = c7*i1 */ \ |
| "movq "I(2)", %%mm2 \n\t" \ |
| "pmulhw %%mm1, %%mm7 \n\t" /* r7 = c7*i7 */ \ |
| "paddw %%mm1, %%mm5 \n\t" /* r5 = c1*i7 */ \ |
| "movq %%mm2, %%mm1 \n\t" /* r1 = i2 */ \ |
| "pmulhw "C(2)", %%mm2 \n\t" /* r2 = c2*i2 - i2 */ \ |
| "psubsw %%mm5, %%mm3 \n\t" /* r3 = B = c7*i1 - c1*i7 */ \ |
| "movq "J(6)", %%mm5 \n\t" \ |
| "paddsw %%mm7, %%mm0 \n\t" /* r0 = A = c1*i1 + c7*i7 */ \ |
| "movq %%mm5, %%mm7 \n\t" /* r7 = i6 */ \ |
| "psubsw %%mm4, %%mm0 \n\t" /* r0 = A - C */ \ |
| "pmulhw "C(2)", %%mm5 \n\t" /* r5 = c2*i6 - i6 */ \ |
| "paddw %%mm1, %%mm2 \n\t" /* r2 = c2*i2 */ \ |
| "pmulhw "C(6)", %%mm1 \n\t" /* r1 = c6*i2 */ \ |
| "paddsw %%mm4, %%mm4 \n\t" /* r4 = C + C */ \ |
| "paddsw %%mm0, %%mm4 \n\t" /* r4 = C. = A + C */ \ |
| "psubsw %%mm6, %%mm3 \n\t" /* r3 = B - D */ \ |
| "paddw %%mm7, %%mm5 \n\t" /* r5 = c2*i6 */ \ |
| "paddsw %%mm6, %%mm6 \n\t" /* r6 = D + D */ \ |
| "pmulhw "C(6)", %%mm7 \n\t" /* r7 = c6*i6 */ \ |
| "paddsw %%mm3, %%mm6 \n\t" /* r6 = D. = B + D */ \ |
| "movq %%mm4, "I(1)"\n\t" /* save C. at I(1) */ \ |
| "psubsw %%mm5, %%mm1 \n\t" /* r1 = H = c6*i2 - c2*i6 */ \ |
| "movq "C(4)", %%mm4 \n\t" \ |
| "movq %%mm3, %%mm5 \n\t" /* r5 = B - D */ \ |
| "pmulhw %%mm4, %%mm3 \n\t" /* r3 = (c4 - 1) * (B - D) */ \ |
| "paddsw %%mm2, %%mm7 \n\t" /* r3 = (c4 - 1) * (B - D) */ \ |
| "movq %%mm6, "I(2)"\n\t" /* save D. at I(2) */ \ |
| "movq %%mm0, %%mm2 \n\t" /* r2 = A - C */ \ |
| "movq "I(0)", %%mm6 \n\t" \ |
| "pmulhw %%mm4, %%mm0 \n\t" /* r0 = (c4 - 1) * (A - C) */ \ |
| "paddw %%mm3, %%mm5 \n\t" /* r5 = B. = c4 * (B - D) */ \ |
| "movq "J(4)", %%mm3 \n\t" \ |
| "psubsw %%mm1, %%mm5 \n\t" /* r5 = B.. = B. - H */ \ |
| "paddw %%mm0, %%mm2 \n\t" /* r0 = A. = c4 * (A - C) */ \ |
| "psubsw %%mm3, %%mm6 \n\t" /* r6 = i0 - i4 */ \ |
| "movq %%mm6, %%mm0 \n\t" \ |
| "pmulhw %%mm4, %%mm6 \n\t" /* r6 = (c4 - 1) * (i0 - i4) */ \ |
| "paddsw %%mm3, %%mm3 \n\t" /* r3 = i4 + i4 */ \ |
| "paddsw %%mm1, %%mm1 \n\t" /* r1 = H + H */ \ |
| "paddsw %%mm0, %%mm3 \n\t" /* r3 = i0 + i4 */ \ |
| "paddsw %%mm5, %%mm1 \n\t" /* r1 = H. = B + H */ \ |
| "pmulhw %%mm3, %%mm4 \n\t" /* r4 = (c4 - 1) * (i0 + i4) */ \ |
| "paddsw %%mm0, %%mm6 \n\t" /* r6 = F = c4 * (i0 - i4) */ \ |
| "psubsw %%mm2, %%mm6 \n\t" /* r6 = F. = F - A. */ \ |
| "paddsw %%mm2, %%mm2 \n\t" /* r2 = A. + A. */ \ |
| "movq "I(1)", %%mm0 \n\t" /* r0 = C. */ \ |
| "paddsw %%mm6, %%mm2 \n\t" /* r2 = A.. = F + A. */ \ |
| "paddw %%mm3, %%mm4 \n\t" /* r4 = E = c4 * (i0 + i4) */ \ |
| "psubsw %%mm1, %%mm2 \n\t" /* r2 = R2 = A.. - H. */ |
| |
| /* RowIDCT gets ready to transpose */ |
| #define RowIDCT() \ |
| BeginIDCT() \ |
| "movq "I(2)", %%mm3 \n\t" /* r3 = D. */ \ |
| "psubsw %%mm7, %%mm4 \n\t" /* r4 = E. = E - G */ \ |
| "paddsw %%mm1, %%mm1 \n\t" /* r1 = H. + H. */ \ |
| "paddsw %%mm7, %%mm7 \n\t" /* r7 = G + G */ \ |
| "paddsw %%mm2, %%mm1 \n\t" /* r1 = R1 = A.. + H. */ \ |
| "paddsw %%mm4, %%mm7 \n\t" /* r1 = R1 = A.. + H. */ \ |
| "psubsw %%mm3, %%mm4 \n\t" /* r4 = R4 = E. - D. */ \ |
| "paddsw %%mm3, %%mm3 \n\t" \ |
| "psubsw %%mm5, %%mm6 \n\t" /* r6 = R6 = F. - B.. */ \ |
| "paddsw %%mm5, %%mm5 \n\t" \ |
| "paddsw %%mm4, %%mm3 \n\t" /* r3 = R3 = E. + D. */ \ |
| "paddsw %%mm6, %%mm5 \n\t" /* r5 = R5 = F. + B.. */ \ |
| "psubsw %%mm0, %%mm7 \n\t" /* r7 = R7 = G. - C. */ \ |
| "paddsw %%mm0, %%mm0 \n\t" \ |
| "movq %%mm1, "I(1)"\n\t" /* save R1 */ \ |
| "paddsw %%mm7, %%mm0 \n\t" /* r0 = R0 = G. + C. */ |
| |
| /* Column IDCT normalizes and stores final results */ |
| #define ColumnIDCT() \ |
| BeginIDCT() \ |
| "paddsw "OC_8", %%mm2 \n\t" /* adjust R2 (and R1) for shift */ \ |
| "paddsw %%mm1, %%mm1 \n\t" /* r1 = H. + H. */ \ |
| "paddsw %%mm2, %%mm1 \n\t" /* r1 = R1 = A.. + H. */ \ |
| "psraw $4, %%mm2 \n\t" /* r2 = NR2 */ \ |
| "psubsw %%mm7, %%mm4 \n\t" /* r4 = E. = E - G */ \ |
| "psraw $4, %%mm1 \n\t" /* r1 = NR1 */ \ |
| "movq "I(2)", %%mm3 \n\t" /* r3 = D. */ \ |
| "paddsw %%mm7, %%mm7 \n\t" /* r7 = G + G */ \ |
| "movq %%mm2, "I(2)"\n\t" /* store NR2 at I2 */ \ |
| "paddsw %%mm4, %%mm7 \n\t" /* r7 = G. = E + G */ \ |
| "movq %%mm1, "I(1)"\n\t" /* store NR1 at I1 */ \ |
| "psubsw %%mm3, %%mm4 \n\t" /* r4 = R4 = E. - D. */ \ |
| "paddsw "OC_8", %%mm4 \n\t" /* adjust R4 (and R3) for shift */ \ |
| "paddsw %%mm3, %%mm3 \n\t" /* r3 = D. + D. */ \ |
| "paddsw %%mm4, %%mm3 \n\t" /* r3 = R3 = E. + D. */ \ |
| "psraw $4, %%mm4 \n\t" /* r4 = NR4 */ \ |
| "psubsw %%mm5, %%mm6 \n\t" /* r6 = R6 = F. - B.. */ \ |
| "psraw $4, %%mm3 \n\t" /* r3 = NR3 */ \ |
| "paddsw "OC_8", %%mm6 \n\t" /* adjust R6 (and R5) for shift */ \ |
| "paddsw %%mm5, %%mm5 \n\t" /* r5 = B.. + B.. */ \ |
| "paddsw %%mm6, %%mm5 \n\t" /* r5 = R5 = F. + B.. */ \ |
| "psraw $4, %%mm6 \n\t" /* r6 = NR6 */ \ |
| "movq %%mm4, "J(4)"\n\t" /* store NR4 at J4 */ \ |
| "psraw $4, %%mm5 \n\t" /* r5 = NR5 */ \ |
| "movq %%mm3, "I(3)"\n\t" /* store NR3 at I3 */ \ |
| "psubsw %%mm0, %%mm7 \n\t" /* r7 = R7 = G. - C. */ \ |
| "paddsw "OC_8", %%mm7 \n\t" /* adjust R7 (and R0) for shift */ \ |
| "paddsw %%mm0, %%mm0 \n\t" /* r0 = C. + C. */ \ |
| "paddsw %%mm7, %%mm0 \n\t" /* r0 = R0 = G. + C. */ \ |
| "psraw $4, %%mm7 \n\t" /* r7 = NR7 */ \ |
| "movq %%mm6, "J(6)"\n\t" /* store NR6 at J6 */ \ |
| "psraw $4, %%mm0 \n\t" /* r0 = NR0 */ \ |
| "movq %%mm5, "J(5)"\n\t" /* store NR5 at J5 */ \ |
| "movq %%mm7, "J(7)"\n\t" /* store NR7 at J7 */ \ |
| "movq %%mm0, "I(0)"\n\t" /* store NR0 at I0 */ |
| |
| /* Following macro does two 4x4 transposes in place. |
| |
| At entry (we assume): |
| |
| r0 = a3 a2 a1 a0 |
| I(1) = b3 b2 b1 b0 |
| r2 = c3 c2 c1 c0 |
| r3 = d3 d2 d1 d0 |
| |
| r4 = e3 e2 e1 e0 |
| r5 = f3 f2 f1 f0 |
| r6 = g3 g2 g1 g0 |
| r7 = h3 h2 h1 h0 |
| |
| At exit, we have: |
| |
| I(0) = d0 c0 b0 a0 |
| I(1) = d1 c1 b1 a1 |
| I(2) = d2 c2 b2 a2 |
| I(3) = d3 c3 b3 a3 |
| |
| J(4) = h0 g0 f0 e0 |
| J(5) = h1 g1 f1 e1 |
| J(6) = h2 g2 f2 e2 |
| J(7) = h3 g3 f3 e3 |
| |
| I(0) I(1) I(2) I(3) is the transpose of r0 I(1) r2 r3. |
| J(4) J(5) J(6) J(7) is the transpose of r4 r5 r6 r7. |
| |
| Since r1 is free at entry, we calculate the Js first. */ |
| #define Transpose() \ |
| "movq %%mm4, %%mm1 \n\t" /* r1 = e3 e2 e1 e0 */ \ |
| "punpcklwd %%mm5, %%mm4 \n\t" /* r4 = f1 e1 f0 e0 */ \ |
| "movq %%mm0, "I(0)"\n\t" /* save a3 a2 a1 a0 */ \ |
| "punpckhwd %%mm5, %%mm1 \n\t" /* r1 = f3 e3 f2 e2 */ \ |
| "movq %%mm6, %%mm0 \n\t" /* r0 = g3 g2 g1 g0 */ \ |
| "punpcklwd %%mm7, %%mm6 \n\t" /* r6 = h1 g1 h0 g0 */ \ |
| "movq %%mm4, %%mm5 \n\t" /* r5 = f1 e1 f0 e0 */ \ |
| "punpckldq %%mm6, %%mm4 \n\t" /* r4 = h0 g0 f0 e0 = R4 */ \ |
| "punpckhdq %%mm6, %%mm5 \n\t" /* r5 = h1 g1 f1 e1 = R5 */ \ |
| "movq %%mm1, %%mm6 \n\t" /* r6 = f3 e3 f2 e2 */ \ |
| "movq %%mm4, "J(4)"\n\t" \ |
| "punpckhwd %%mm7, %%mm0 \n\t" /* r0 = h3 g3 h2 g2 */ \ |
| "movq %%mm5, "J(5)"\n\t" \ |
| "punpckhdq %%mm0, %%mm6 \n\t" /* r6 = h3 g3 f3 e3 = R7 */ \ |
| "movq "I(0)", %%mm4 \n\t" /* r4 = a3 a2 a1 a0 */ \ |
| "punpckldq %%mm0, %%mm1 \n\t" /* r1 = h2 g2 f2 e2 = R6 */ \ |
| "movq "I(1)", %%mm5 \n\t" /* r5 = b3 b2 b1 b0 */ \ |
| "movq %%mm4, %%mm0 \n\t" /* r0 = a3 a2 a1 a0 */ \ |
| "movq %%mm6, "J(7)"\n\t" \ |
| "punpcklwd %%mm5, %%mm0 \n\t" /* r0 = b1 a1 b0 a0 */ \ |
| "movq %%mm1, "J(6)"\n\t" \ |
| "punpckhwd %%mm5, %%mm4 \n\t" /* r4 = b3 a3 b2 a2 */ \ |
| "movq %%mm2, %%mm5 \n\t" /* r5 = c3 c2 c1 c0 */ \ |
| "punpcklwd %%mm3, %%mm2 \n\t" /* r2 = d1 c1 d0 c0 */ \ |
| "movq %%mm0, %%mm1 \n\t" /* r1 = b1 a1 b0 a0 */ \ |
| "punpckldq %%mm2, %%mm0 \n\t" /* r0 = d0 c0 b0 a0 = R0 */ \ |
| "punpckhdq %%mm2, %%mm1 \n\t" /* r1 = d1 c1 b1 a1 = R1 */ \ |
| "movq %%mm4, %%mm2 \n\t" /* r2 = b3 a3 b2 a2 */ \ |
| "movq %%mm0, "I(0)"\n\t" \ |
| "punpckhwd %%mm3, %%mm5 \n\t" /* r5 = d3 c3 d2 c2 */ \ |
| "movq %%mm1, "I(1)"\n\t" \ |
| "punpckhdq %%mm5, %%mm4 \n\t" /* r4 = d3 c3 b3 a3 = R3 */ \ |
| "punpckldq %%mm5, %%mm2 \n\t" /* r2 = d2 c2 b2 a2 = R2 */ \ |
| "movq %%mm4, "I(3)"\n\t" \ |
| "movq %%mm2, "I(2)"\n\t" |
| |
| void ff_vp3_idct_mmx(int16_t *output_data) |
| { |
| /* eax = quantized input |
| * ebx = dequantizer matrix |
| * ecx = IDCT constants |
| * M(I) = ecx + MaskOffset(0) + I * 8 |
| * C(I) = ecx + CosineOffset(32) + (I-1) * 8 |
| * edx = output |
| * r0..r7 = mm0..mm7 |
| */ |
| |
| #define C(x) AV_STRINGIFY(16*(x-1))"(%1)" |
| #define OC_8 "%2" |
| |
| /* at this point, function has completed dequantization + dezigzag + |
| * partial transposition; now do the idct itself */ |
| #define I(x) AV_STRINGIFY(16* x )"(%0)" |
| #define J(x) AV_STRINGIFY(16*(x-4) + 8)"(%0)" |
| |
| __asm__ volatile ( |
| RowIDCT() |
| Transpose() |
| |
| #undef I |
| #undef J |
| #define I(x) AV_STRINGIFY(16* x + 64)"(%0)" |
| #define J(x) AV_STRINGIFY(16*(x-4) + 72)"(%0)" |
| |
| RowIDCT() |
| Transpose() |
| |
| #undef I |
| #undef J |
| #define I(x) AV_STRINGIFY(16*x)"(%0)" |
| #define J(x) AV_STRINGIFY(16*x)"(%0)" |
| |
| ColumnIDCT() |
| |
| #undef I |
| #undef J |
| #define I(x) AV_STRINGIFY(16*x + 8)"(%0)" |
| #define J(x) AV_STRINGIFY(16*x + 8)"(%0)" |
| |
| ColumnIDCT() |
| :: "r"(output_data), "r"(ff_vp3_idct_data), "m"(ff_pw_8) |
| ); |
| #undef I |
| #undef J |
| |
| } |
| |
| void ff_vp3_idct_put_mmx(uint8_t *dest, int line_size, DCTELEM *block) |
| { |
| ff_vp3_idct_mmx(block); |
| put_signed_pixels_clamped_mmx(block, dest, line_size); |
| } |
| |
| void ff_vp3_idct_add_mmx(uint8_t *dest, int line_size, DCTELEM *block) |
| { |
| ff_vp3_idct_mmx(block); |
| add_pixels_clamped_mmx(block, dest, line_size); |
| } |
