/* * Copyright (c) 2015 Matthieu Bouron * Copyright (c) 2015 Clément Bœsch * * 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 */ #include "libavutil/arm/asm.S" .macro compute_premult half_u1, half_u2, half_v1, half_v2 vmov d2, \half_u1 @ copy left q14 to left q1 vmov d3, \half_u1 @ copy left q14 to right q1 vmov d4, \half_u2 @ copy right q14 to left q2 vmov d5, \half_u2 @ copy right q14 to right q2 vmov d6, \half_v1 @ copy left q15 to left q3 vmov d7, \half_v1 @ copy left q15 to right q3 vmov d8, \half_v2 @ copy right q15 to left q4 vmov d9, \half_v2 @ copy right q15 to right q4 vzip.16 d2, d3 @ U1U1U2U2U3U3U4U4 vzip.16 d4, d5 @ U5U5U6U6U7U7U8U8 vzip.16 d6, d7 @ V1V1V2V2V3V3V4V4 vzip.16 d8, d9 @ V5V5V6V6V7V7V8V8 vmul.s16 q8, q3, d1[0] @ V * v2r (left, red) vmul.s16 q9, q4, d1[0] @ V * v2r (right, red) vmul.s16 q10, q1, d1[1] @ U * u2g vmul.s16 q11, q2, d1[1] @ U * u2g vmla.s16 q10, q3, d1[2] @ U * u2g + V * v2g (left, green) vmla.s16 q11, q4, d1[2] @ U * u2g + V * v2g (right, green) vmul.s16 q12, q1, d1[3] @ U * u2b (left, blue) vmul.s16 q13, q2, d1[3] @ U * u2b (right, blue) .endm .macro compute_color dst_comp1 dst_comp2 pre1 pre2 vadd.s16 q1, q14, \pre1 vadd.s16 q2, q15, \pre2 vqrshrun.s16 \dst_comp1, q1, #6 vqrshrun.s16 \dst_comp2, q2, #6 .endm .macro compute_rgba r1 r2 g1 g2 b1 b2 a1 a2 compute_color \r1, \r2, q8, q9 compute_color \g1, \g2, q10, q11 compute_color \b1, \b2, q12, q13 vmov.u8 \a1, #255 vmov.u8 \a2, #255 .endm .macro compute_16px dst y0 y1 ofmt vmovl.u8 q14, \y0 @ 8px of y vmovl.u8 q15, \y1 @ 8px of y vdup.16 q5, r9 @ q5 = y_offset vmov d14, d0 @ q7 = y_coeff vmov d15, d0 @ q7 = y_coeff vsub.s16 q14, q5 vsub.s16 q15, q5 vmul.s16 q14, q7 @ q14 = (srcY - y_offset) * y_coeff (left) vmul.s16 q15, q7 @ q15 = (srcY - y_offset) * y_coeff (right) .ifc \ofmt,argb compute_rgba d7, d11, d8, d12, d9, d13, d6, d10 .endif .ifc \ofmt,rgba compute_rgba d6, d10, d7, d11, d8, d12, d9, d13 .endif .ifc \ofmt,abgr compute_rgba d9, d13, d8, d12, d7, d11, d6, d10 .endif .ifc \ofmt,bgra compute_rgba d8, d12, d7, d11, d6, d10, d9, d13 .endif vst4.8 {q3, q4}, [\dst,:128]! vst4.8 {q5, q6}, [\dst,:128]! .endm .macro process_1l_16px ofmt compute_premult d28, d29, d30, d31 vld1.8 {q7}, [r4]! compute_16px r2, d14, d15, \ofmt .endm .macro process_2l_16px ofmt compute_premult d28, d29, d30, d31 vld1.8 {q7}, [r4]! @ first line of luma compute_16px r2, d14, d15, \ofmt vld1.8 {q7}, [r12]! @ second line of luma compute_16px r11, d14, d15, \ofmt .endm .macro load_args_nvx push {r4-r12, lr} vpush {q4-q7} ldr r4, [sp, #104] @ r4 = srcY ldr r5, [sp, #108] @ r5 = linesizeY ldr r6, [sp, #112] @ r6 = srcC ldr r7, [sp, #116] @ r7 = linesizeC ldr r8, [sp, #120] @ r8 = table ldr r9, [sp, #124] @ r9 = y_offset ldr r10,[sp, #128] @ r10 = y_coeff vdup.16 d0, r10 @ d0 = y_coeff vld1.16 {d1}, [r8] @ d1 = *table add r11, r2, r3 @ r11 = dst + linesize (dst2) add r12, r4, r5 @ r12 = srcY + linesizeY (srcY2) lsl r3, r3, #1 lsl r5, r5, #1 sub r3, r3, r0, lsl #2 @ r3 = linesize * 2 - width * 4 (padding) sub r5, r5, r0 @ r5 = linesizeY * 2 - width (paddingY) sub r7, r7, r0 @ r7 = linesizeC - width (paddingC) .endm .macro load_args_yuv420p push {r4-r12, lr} vpush {q4-q7} ldr r4, [sp, #104] @ r4 = srcY ldr r5, [sp, #108] @ r5 = linesizeY ldr r6, [sp, #112] @ r6 = srcU ldr r8, [sp, #128] @ r8 = table ldr r9, [sp, #132] @ r9 = y_offset ldr r10,[sp, #136] @ r10 = y_coeff vdup.16 d0, r10 @ d0 = y_coeff vld1.16 {d1}, [r8] @ d1 = *table add r11, r2, r3 @ r11 = dst + linesize (dst2) add r12, r4, r5 @ r12 = srcY + linesizeY (srcY2) lsl r3, r3, #1 lsl r5, r5, #1 sub r3, r3, r0, lsl #2 @ r3 = linesize * 2 - width * 4 (padding) sub r5, r5, r0 @ r5 = linesizeY * 2 - width (paddingY) ldr r10,[sp, #120] @ r10 = srcV .endm .macro load_args_yuv422p push {r4-r12, lr} vpush {q4-q7} ldr r4, [sp, #104] @ r4 = srcY ldr r5, [sp, #108] @ r5 = linesizeY ldr r6, [sp, #112] @ r6 = srcU ldr r7, [sp, #116] @ r7 = linesizeU ldr r12,[sp, #124] @ r12 = linesizeV ldr r8, [sp, #128] @ r8 = table ldr r9, [sp, #132] @ r9 = y_offset ldr r10,[sp, #136] @ r10 = y_coeff vdup.16 d0, r10 @ d0 = y_coeff vld1.16 {d1}, [r8] @ d1 = *table sub r3, r3, r0, lsl #2 @ r3 = linesize - width * 4 (padding) sub r5, r5, r0 @ r5 = linesizeY - width (paddingY) sub r7, r7, r0, lsr #1 @ r7 = linesizeU - width / 2 (paddingU) sub r12,r12,r0, lsr #1 @ r12 = linesizeV - width / 2 (paddingV) ldr r10,[sp, #120] @ r10 = srcV .endm .macro declare_func ifmt ofmt function ff_\ifmt\()_to_\ofmt\()_neon, export=1 .ifc \ifmt,nv12 load_args_nvx .endif .ifc \ifmt,nv21 load_args_nvx .endif .ifc \ifmt,yuv420p load_args_yuv420p .endif .ifc \ifmt,yuv422p load_args_yuv422p .endif 1: mov r8, r0 @ r8 = width 2: pld [r6, #64*3] pld [r4, #64*3] vmov.i8 d10, #128 .ifc \ifmt,nv12 pld [r12, #64*3] vld2.8 {d2, d3}, [r6]! @ q1: interleaved chroma line vsubl.u8 q14, d2, d10 @ q14 = U - 128 vsubl.u8 q15, d3, d10 @ q15 = V - 128 process_2l_16px \ofmt .endif .ifc \ifmt,nv21 pld [r12, #64*3] vld2.8 {d2, d3}, [r6]! @ q1: interleaved chroma line vsubl.u8 q14, d3, d10 @ q14 = U - 128 vsubl.u8 q15, d2, d10 @ q15 = V - 128 process_2l_16px \ofmt .endif .ifc \ifmt,yuv420p pld [r10, #64*3] pld [r12, #64*3] vld1.8 d2, [r6]! @ d2: chroma red line vld1.8 d3, [r10]! @ d3: chroma blue line vsubl.u8 q14, d2, d10 @ q14 = U - 128 vsubl.u8 q15, d3, d10 @ q15 = V - 128 process_2l_16px \ofmt .endif .ifc \ifmt,yuv422p pld [r10, #64*3] vld1.8 d2, [r6]! @ d2: chroma red line vld1.8 d3, [r10]! @ d3: chroma blue line vsubl.u8 q14, d2, d10 @ q14 = U - 128 vsubl.u8 q15, d3, d10 @ q15 = V - 128 process_1l_16px \ofmt .endif subs r8, r8, #16 @ width -= 16 bgt 2b add r2, r2, r3 @ dst += padding add r4, r4, r5 @ srcY += paddingY .ifc \ifmt,nv12 add r11, r11, r3 @ dst2 += padding add r12, r12, r5 @ srcY2 += paddingY add r6, r6, r7 @ srcC += paddingC subs r1, r1, #2 @ height -= 2 .endif .ifc \ifmt,nv21 add r11, r11, r3 @ dst2 += padding add r12, r12, r5 @ srcY2 += paddingY add r6, r6, r7 @ srcC += paddingC subs r1, r1, #2 @ height -= 2 .endif .ifc \ifmt,yuv420p add r11, r11, r3 @ dst2 += padding add r12, r12, r5 @ srcY2 += paddingY ldr r7, [sp, #116] @ r7 = linesizeU sub r7, r7, r0, lsr #1 @ r7 = linesizeU - width / 2 (paddingU) add r6, r6, r7 @ srcU += paddingU ldr r7, [sp, #124] @ r7 = linesizeV sub r7, r7, r0, lsr #1 @ r7 = linesizeV - width / 2 (paddingV) add r10, r10, r7 @ srcV += paddingV subs r1, r1, #2 @ height -= 2 .endif .ifc \ifmt,yuv422p add r6, r6, r7 @ srcU += paddingU add r10,r10,r12 @ srcV += paddingV subs r1, r1, #1 @ height -= 1 .endif bgt 1b vpop {q4-q7} pop {r4-r12, lr} mov pc, lr endfunc .endm .macro declare_rgb_funcs ifmt declare_func \ifmt, argb declare_func \ifmt, rgba declare_func \ifmt, abgr declare_func \ifmt, bgra .endm declare_rgb_funcs nv12 declare_rgb_funcs nv21 declare_rgb_funcs yuv420p declare_rgb_funcs yuv422p