| /* |
| * Copyright (c) 2015 Matthieu Bouron <matthieu.bouron stupeflix.com> |
| * Copyright (c) 2015 Clément Bœsch <clement stupeflix.com> |
| * |
| * 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_16 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_premult_32 half_u half_v |
| vmov d2, \half_u @ copy left q14 to left q1 |
| vmov d3, \half_u @ copy left q14 to right q1 |
| vmov d4, \half_v @ copy left q15 to left q2 |
| vmov d5, \half_v @ copy left q15 to right q2 |
| |
| vzip.16 d2, d3 @ U1U1U2U2U3U3U4U4 |
| vzip.16 d4, d5 @ V1V1V2V2V3V3V4V4 |
| |
| vmull.s16 q8, d4, d1[0] @ V * v2r (left, red) |
| vmull.s16 q9, d5, d1[0] @ V * v2r (right, red) |
| vmull.s16 q10, d2, d1[1] @ U * u2g |
| vmull.s16 q11, d3, d1[1] @ U * u2g |
| vmlal.s16 q10, d4, d1[2] @ U * u2g + V * v2g (left, green) |
| vmlal.s16 q11, d5, d1[2] @ U * u2g + V * v2g (right, green) |
| vmull.s16 q12, d2, d1[3] @ U * u2b (left, blue) |
| vmull.s16 q13, d3, d1[3] @ U * u2b (right, blue) |
| .endm |
| |
| .macro compute_color_16 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_color_32 dst_comp pre1 pre2 |
| vadd.s32 q3, q1, \pre1 |
| vadd.s32 q4, q2, \pre2 |
| vqrshrun.s32 d10, q3, #13 |
| vqrshrun.s32 d11, q4, #13 @ q5 = ({q3,q4} + (1<<12)) >> 13 |
| vqmovn.u16 \dst_comp, q5 @ saturate 16bit -> 8bit |
| .endm |
| |
| .macro compute_rgba_16 r1 r2 g1 g2 b1 b2 a1 a2 |
| compute_color_16 \r1, \r2, q8, q9 |
| compute_color_16 \g1, \g2, q10, q11 |
| compute_color_16 \b1, \b2, q12, q13 |
| vmov.u8 \a1, #255 |
| vmov.u8 \a2, #255 |
| .endm |
| |
| .macro compute_rgba_32 r g b a |
| compute_color_32 \r, q8, q9 |
| compute_color_32 \g, q10, q11 |
| compute_color_32 \b, q12, q13 |
| vmov.u8 \a, #255 |
| .endm |
| |
| .macro compute_16px_16 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_16 d7, d11, d8, d12, d9, d13, d6, d10 |
| .endif |
| |
| .ifc \ofmt,rgba |
| compute_rgba_16 d6, d10, d7, d11, d8, d12, d9, d13 |
| .endif |
| |
| .ifc \ofmt,abgr |
| compute_rgba_16 d9, d13, d8, d12, d7, d11, d6, d10 |
| .endif |
| |
| .ifc \ofmt,bgra |
| compute_rgba_16 d8, d12, d7, d11, d6, d10, d9, d13 |
| .endif |
| vst4.8 {q3, q4}, [\dst,:128]! |
| vst4.8 {q5, q6}, [\dst,:128]! |
| |
| .endm |
| |
| .macro compute_8px_32 dst half_y ofmt |
| vmovl.u8 q7, \half_y @ 8px of Y |
| vdup.16 q5, r9 |
| vsub.s16 q7, q5 |
| vmull.s16 q1, d14, d0 @ q1 = (srcY - y_offset) * y_coeff (left) |
| vmull.s16 q2, d15, d0 @ q2 = (srcY - y_offset) * y_coeff (right) |
| |
| .ifc \ofmt,argb |
| compute_rgba_32 d13, d14, d15, d12 |
| .endif |
| |
| .ifc \ofmt,rgba |
| compute_rgba_32 d12, d13, d14, d15 |
| .endif |
| |
| .ifc \ofmt,abgr |
| compute_rgba_32 d15, d14, d13, d12 |
| .endif |
| |
| .ifc \ofmt,bgra |
| compute_rgba_32 d14, d13, d12, d15 |
| .endif |
| |
| vst4.8 {q6, q7}, [\dst,:128]! |
| .endm |
| |
| .macro process_1l_16px_16 ofmt |
| compute_premult_16 d28, d29, d30, d31 |
| vld1.8 {q7}, [r4]! |
| compute_16px_16 r2, d14, d15, \ofmt |
| .endm |
| |
| .macro process_1l_16px_32 ofmt |
| compute_premult_32 d28, d30 |
| vld1.8 {q7}, [r4]! |
| vmov d28, d15 @ save right of the line of luma for later use |
| compute_8px_32 r2, d14, \ofmt |
| |
| compute_premult_32 d29, d31 |
| compute_8px_32 r2, d28, \ofmt |
| .endm |
| |
| .macro process_2l_16px_16 ofmt |
| compute_premult_16 d28, d29, d30, d31 |
| |
| vld1.8 {q7}, [r4]! @ first line of luma |
| compute_16px_16 r2, d14, d15, \ofmt |
| |
| vld1.8 {q7}, [r12]! @ second line of luma |
| compute_16px_16 r11, d14, d15, \ofmt |
| .endm |
| |
| .macro process_2l_16px_32 ofmt |
| compute_premult_32 d28, d30 |
| |
| vld1.8 {q7}, [r4]! @ first line of luma |
| vmov d28, d15 @ save right of the first line of luma for later use |
| compute_8px_32 r2, d14, \ofmt |
| |
| vld1.8 {q7}, [r12]! @ second line of luma |
| vmov d30, d15 @ save right of the second line of luma for later use |
| compute_8px_32 r11, d14, \ofmt |
| |
| compute_premult_32 d29, d31 |
| compute_8px_32 r2, d28, \ofmt |
| compute_8px_32 r11, d30, \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 |
| lsl r8, r0, #2 |
| sub r3, r3, r8 @ 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 |
| lsl r8, r0, #2 |
| sub r3, r3, r8 @ 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 |
| add r11, r2, r3 @ r11 = dst + linesize (dst2) |
| lsl r8, r0, #2 |
| sub r3, r3, r8 @ r3 = linesize * 2 - width * 4 (padding) |
| sub r5, r5, r0 @ r5 = linesizeY * 2 - 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 precision |
| function ff_\ifmt\()_to_\ofmt\()_neon_\precision\(), 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_\precision \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_\precision \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_\precision \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_\precision \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 precision |
| declare_func \ifmt, argb, \precision |
| declare_func \ifmt, rgba, \precision |
| declare_func \ifmt, abgr, \precision |
| declare_func \ifmt, bgra, \precision |
| .endm |
| |
| declare_rgb_funcs nv12, 16 |
| declare_rgb_funcs nv21, 16 |
| declare_rgb_funcs nv12, 32 |
| declare_rgb_funcs nv21, 32 |
| declare_rgb_funcs yuv420p, 16 |
| declare_rgb_funcs yuv420p, 32 |
| declare_rgb_funcs yuv422p, 16 |
| declare_rgb_funcs yuv422p, 32 |
