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407 lines
18 KiB
407 lines
18 KiB
/* |
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* Copyright (c) 2015 Matthieu Bouron <matthieu.bouron stupeflix.com> |
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* Copyright (c) 2015 Clément Bœsch <clement stupeflix.com> |
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* |
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* This file is part of FFmpeg. |
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* |
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* FFmpeg is free software; you can redistribute it and/or |
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* modify it under the terms of the GNU Lesser General Public |
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* License as published by the Free Software Foundation; either |
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* version 2.1 of the License, or (at your option) any later version. |
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* |
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* FFmpeg is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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* Lesser General Public License for more details. |
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* |
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* You should have received a copy of the GNU Lesser General Public |
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* License along with FFmpeg; if not, write to the Free Software |
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
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*/ |
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#include "libavutil/arm/asm.S" |
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.macro compute_premult_16 half_u1, half_u2, half_v1, half_v2 |
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vmov d2, \half_u1 @ copy left q14 to left q1 |
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vmov d3, \half_u1 @ copy left q14 to right q1 |
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vmov d4, \half_u2 @ copy right q14 to left q2 |
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vmov d5, \half_u2 @ copy right q14 to right q2 |
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vmov d6, \half_v1 @ copy left q15 to left q3 |
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vmov d7, \half_v1 @ copy left q15 to right q3 |
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vmov d8, \half_v2 @ copy right q15 to left q4 |
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vmov d9, \half_v2 @ copy right q15 to right q4 |
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vzip.16 d2, d3 @ U1U1U2U2U3U3U4U4 |
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vzip.16 d4, d5 @ U5U5U6U6U7U7U8U8 |
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vzip.16 d6, d7 @ V1V1V2V2V3V3V4V4 |
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vzip.16 d8, d9 @ V5V5V6V6V7V7V8V8 |
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vmul.s16 q8, q3, d1[0] @ V * v2r (left, red) |
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vmul.s16 q9, q4, d1[0] @ V * v2r (right, red) |
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vmul.s16 q10, q1, d1[1] @ U * u2g |
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vmul.s16 q11, q2, d1[1] @ U * u2g |
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vmla.s16 q10, q3, d1[2] @ U * u2g + V * v2g (left, green) |
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vmla.s16 q11, q4, d1[2] @ U * u2g + V * v2g (right, green) |
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vmul.s16 q12, q1, d1[3] @ U * u2b (left, blue) |
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vmul.s16 q13, q2, d1[3] @ U * u2b (right, blue) |
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.endm |
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.macro compute_premult_32 half_u half_v |
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vmov d2, \half_u @ copy left q14 to left q1 |
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vmov d3, \half_u @ copy left q14 to right q1 |
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vmov d4, \half_v @ copy left q15 to left q2 |
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vmov d5, \half_v @ copy left q15 to right q2 |
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vzip.16 d2, d3 @ U1U1U2U2U3U3U4U4 |
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vzip.16 d4, d5 @ V1V1V2V2V3V3V4V4 |
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vmull.s16 q8, d4, d1[0] @ V * v2r (left, red) |
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vmull.s16 q9, d5, d1[0] @ V * v2r (right, red) |
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vmull.s16 q10, d2, d1[1] @ U * u2g |
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vmull.s16 q11, d3, d1[1] @ U * u2g |
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vmlal.s16 q10, d4, d1[2] @ U * u2g + V * v2g (left, green) |
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vmlal.s16 q11, d5, d1[2] @ U * u2g + V * v2g (right, green) |
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vmull.s16 q12, d2, d1[3] @ U * u2b (left, blue) |
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vmull.s16 q13, d3, d1[3] @ U * u2b (right, blue) |
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.endm |
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.macro compute_color_16 dst_comp1 dst_comp2 pre1 pre2 |
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vadd.s16 q1, q14, \pre1 |
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vadd.s16 q2, q15, \pre2 |
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vqrshrun.s16 \dst_comp1, q1, #6 |
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vqrshrun.s16 \dst_comp2, q2, #6 |
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.endm |
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.macro compute_color_32 dst_comp pre1 pre2 |
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vadd.s32 q3, q1, \pre1 |
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vadd.s32 q4, q2, \pre2 |
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vqrshrun.s32 d10, q3, #13 |
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vqrshrun.s32 d11, q4, #13 @ q5 = ({q3,q4} + (1<<12)) >> 13 |
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vqmovn.u16 \dst_comp, q5 @ saturate 16bit -> 8bit |
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.endm |
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.macro compute_rgba_16 r1 r2 g1 g2 b1 b2 a1 a2 |
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compute_color_16 \r1, \r2, q8, q9 |
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compute_color_16 \g1, \g2, q10, q11 |
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compute_color_16 \b1, \b2, q12, q13 |
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vmov.u8 \a1, #255 |
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vmov.u8 \a2, #255 |
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.endm |
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.macro compute_rgba_32 r g b a |
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compute_color_32 \r, q8, q9 |
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compute_color_32 \g, q10, q11 |
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compute_color_32 \b, q12, q13 |
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vmov.u8 \a, #255 |
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.endm |
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.macro compute_16px_16 dst y0 y1 ofmt |
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vmovl.u8 q14, \y0 @ 8px of y |
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vmovl.u8 q15, \y1 @ 8px of y |
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vdup.16 q5, r9 @ q5 = y_offset |
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vmov d14, d0 @ q7 = y_coeff |
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vmov d15, d0 @ q7 = y_coeff |
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vsub.s16 q14, q5 |
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vsub.s16 q15, q5 |
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vmul.s16 q14, q7 @ q14 = (srcY - y_offset) * y_coeff (left) |
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vmul.s16 q15, q7 @ q15 = (srcY - y_offset) * y_coeff (right) |
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.ifc \ofmt,argb |
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compute_rgba_16 d7, d11, d8, d12, d9, d13, d6, d10 |
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.endif |
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.ifc \ofmt,rgba |
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compute_rgba_16 d6, d10, d7, d11, d8, d12, d9, d13 |
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.endif |
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.ifc \ofmt,abgr |
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compute_rgba_16 d9, d13, d8, d12, d7, d11, d6, d10 |
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.endif |
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.ifc \ofmt,bgra |
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compute_rgba_16 d8, d12, d7, d11, d6, d10, d9, d13 |
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.endif |
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vst4.8 {q3, q4}, [\dst,:128]! |
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vst4.8 {q5, q6}, [\dst,:128]! |
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.endm |
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.macro compute_8px_32 dst half_y ofmt |
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vmovl.u8 q7, \half_y @ 8px of Y |
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vdup.16 q5, r9 |
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vsub.s16 q7, q5 |
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vmull.s16 q1, d14, d0 @ q1 = (srcY - y_offset) * y_coeff (left) |
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vmull.s16 q2, d15, d0 @ q2 = (srcY - y_offset) * y_coeff (right) |
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.ifc \ofmt,argb |
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compute_rgba_32 d13, d14, d15, d12 |
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.endif |
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.ifc \ofmt,rgba |
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compute_rgba_32 d12, d13, d14, d15 |
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.endif |
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.ifc \ofmt,abgr |
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compute_rgba_32 d15, d14, d13, d12 |
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.endif |
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.ifc \ofmt,bgra |
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compute_rgba_32 d14, d13, d12, d15 |
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.endif |
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vst4.8 {q6, q7}, [\dst,:128]! |
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.endm |
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.macro process_1l_16px_16 ofmt |
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compute_premult_16 d28, d29, d30, d31 |
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vld1.8 {q7}, [r4]! |
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compute_16px_16 r2, d14, d15, \ofmt |
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.endm |
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.macro process_1l_16px_32 ofmt |
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compute_premult_32 d28, d30 |
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vld1.8 {q7}, [r4]! |
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vmov d28, d15 @ save right of the line of luma for later use |
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compute_8px_32 r2, d14, \ofmt |
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compute_premult_32 d29, d31 |
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compute_8px_32 r2, d28, \ofmt |
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.endm |
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.macro process_2l_16px_16 ofmt |
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compute_premult_16 d28, d29, d30, d31 |
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vld1.8 {q7}, [r4]! @ first line of luma |
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compute_16px_16 r2, d14, d15, \ofmt |
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vld1.8 {q7}, [r12]! @ second line of luma |
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compute_16px_16 r11, d14, d15, \ofmt |
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.endm |
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.macro process_2l_16px_32 ofmt |
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compute_premult_32 d28, d30 |
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vld1.8 {q7}, [r4]! @ first line of luma |
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vmov d28, d15 @ save right of the first line of luma for later use |
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compute_8px_32 r2, d14, \ofmt |
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vld1.8 {q7}, [r12]! @ second line of luma |
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vmov d30, d15 @ save right of the second line of luma for later use |
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compute_8px_32 r11, d14, \ofmt |
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compute_premult_32 d29, d31 |
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compute_8px_32 r2, d28, \ofmt |
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compute_8px_32 r11, d30, \ofmt |
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.endm |
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.macro load_args_nvx |
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push {r4-r12, lr} |
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vpush {q4-q7} |
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ldr r4, [sp, #104] @ r4 = srcY |
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ldr r5, [sp, #108] @ r5 = linesizeY |
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ldr r6, [sp, #112] @ r6 = srcC |
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ldr r7, [sp, #116] @ r7 = linesizeC |
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ldr r8, [sp, #120] @ r8 = table |
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ldr r9, [sp, #124] @ r9 = y_offset |
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ldr r10,[sp, #128] @ r10 = y_coeff |
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vdup.16 d0, r10 @ d0 = y_coeff |
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vld1.16 {d1}, [r8] @ d1 = *table |
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add r11, r2, r3 @ r11 = dst + linesize (dst2) |
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add r12, r4, r5 @ r12 = srcY + linesizeY (srcY2) |
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lsl r3, r3, #1 |
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lsl r5, r5, #1 |
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lsl r8, r0, #2 |
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sub r3, r3, r8 @ r3 = linesize * 2 - width * 4 (padding) |
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sub r5, r5, r0 @ r5 = linesizeY * 2 - width (paddingY) |
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sub r7, r7, r0 @ r7 = linesizeC - width (paddingC) |
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.endm |
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.macro load_args_yuv420p |
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push {r4-r12, lr} |
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vpush {q4-q7} |
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ldr r4, [sp, #104] @ r4 = srcY |
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ldr r5, [sp, #108] @ r5 = linesizeY |
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ldr r6, [sp, #112] @ r6 = srcU |
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ldr r8, [sp, #128] @ r8 = table |
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ldr r9, [sp, #132] @ r9 = y_offset |
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ldr r10,[sp, #136] @ r10 = y_coeff |
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vdup.16 d0, r10 @ d0 = y_coeff |
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vld1.16 {d1}, [r8] @ d1 = *table |
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add r11, r2, r3 @ r11 = dst + linesize (dst2) |
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add r12, r4, r5 @ r12 = srcY + linesizeY (srcY2) |
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lsl r3, r3, #1 |
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lsl r5, r5, #1 |
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lsl r8, r0, #2 |
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sub r3, r3, r8 @ r3 = linesize * 2 - width * 4 (padding) |
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sub r5, r5, r0 @ r5 = linesizeY * 2 - width (paddingY) |
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ldr r10,[sp, #120] @ r10 = srcV |
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.endm |
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.macro load_args_yuv422p |
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push {r4-r12, lr} |
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vpush {q4-q7} |
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ldr r4, [sp, #104] @ r4 = srcY |
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ldr r5, [sp, #108] @ r5 = linesizeY |
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ldr r6, [sp, #112] @ r6 = srcU |
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ldr r7, [sp, #116] @ r7 = linesizeU |
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ldr r12,[sp, #124] @ r12 = linesizeV |
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ldr r8, [sp, #128] @ r8 = table |
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ldr r9, [sp, #132] @ r9 = y_offset |
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ldr r10,[sp, #136] @ r10 = y_coeff |
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vdup.16 d0, r10 @ d0 = y_coeff |
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vld1.16 {d1}, [r8] @ d1 = *table |
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add r11, r2, r3 @ r11 = dst + linesize (dst2) |
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lsl r8, r0, #2 |
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sub r3, r3, r8 @ r3 = linesize * 2 - width * 4 (padding) |
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sub r5, r5, r0 @ r5 = linesizeY * 2 - width (paddingY) |
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sub r7, r7, r0, lsr #1 @ r7 = linesizeU - width / 2 (paddingU) |
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sub r12,r12,r0, lsr #1 @ r12 = linesizeV - width / 2 (paddingV) |
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ldr r10,[sp, #120] @ r10 = srcV |
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.endm |
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.macro declare_func ifmt ofmt precision |
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function ff_\ifmt\()_to_\ofmt\()_neon_\precision\(), export=1 |
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.ifc \ifmt,nv12 |
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load_args_nvx |
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.endif |
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.ifc \ifmt,nv21 |
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load_args_nvx |
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.endif |
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.ifc \ifmt,yuv420p |
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load_args_yuv420p |
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.endif |
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.ifc \ifmt,yuv422p |
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load_args_yuv422p |
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.endif |
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1: |
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mov r8, r0 @ r8 = width |
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2: |
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pld [r6, #64*3] |
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pld [r4, #64*3] |
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vmov.i8 d10, #128 |
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.ifc \ifmt,nv12 |
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pld [r12, #64*3] |
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vld2.8 {d2, d3}, [r6]! @ q1: interleaved chroma line |
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vsubl.u8 q14, d2, d10 @ q14 = U - 128 |
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vsubl.u8 q15, d3, d10 @ q15 = V - 128 |
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process_2l_16px_\precision \ofmt |
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.endif |
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.ifc \ifmt,nv21 |
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pld [r12, #64*3] |
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vld2.8 {d2, d3}, [r6]! @ q1: interleaved chroma line |
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vsubl.u8 q14, d3, d10 @ q14 = U - 128 |
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vsubl.u8 q15, d2, d10 @ q15 = V - 128 |
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process_2l_16px_\precision \ofmt |
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.endif |
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.ifc \ifmt,yuv420p |
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pld [r10, #64*3] |
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pld [r12, #64*3] |
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vld1.8 d2, [r6]! @ d2: chroma red line |
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vld1.8 d3, [r10]! @ d3: chroma blue line |
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vsubl.u8 q14, d2, d10 @ q14 = U - 128 |
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vsubl.u8 q15, d3, d10 @ q15 = V - 128 |
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process_2l_16px_\precision \ofmt |
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.endif |
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.ifc \ifmt,yuv422p |
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pld [r10, #64*3] |
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vld1.8 d2, [r6]! @ d2: chroma red line |
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vld1.8 d3, [r10]! @ d3: chroma blue line |
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vsubl.u8 q14, d2, d10 @ q14 = U - 128 |
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vsubl.u8 q15, d3, d10 @ q15 = V - 128 |
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process_1l_16px_\precision \ofmt |
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.endif |
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subs r8, r8, #16 @ width -= 16 |
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bgt 2b |
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add r2, r2, r3 @ dst += padding |
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add r4, r4, r5 @ srcY += paddingY |
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.ifc \ifmt,nv12 |
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add r11, r11, r3 @ dst2 += padding |
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add r12, r12, r5 @ srcY2 += paddingY |
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add r6, r6, r7 @ srcC += paddingC |
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subs r1, r1, #2 @ height -= 2 |
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.endif |
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.ifc \ifmt,nv21 |
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add r11, r11, r3 @ dst2 += padding |
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add r12, r12, r5 @ srcY2 += paddingY |
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add r6, r6, r7 @ srcC += paddingC |
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subs r1, r1, #2 @ height -= 2 |
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.endif |
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.ifc \ifmt,yuv420p |
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add r11, r11, r3 @ dst2 += padding |
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add r12, r12, r5 @ srcY2 += paddingY |
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ldr r7, [sp, #116] @ r7 = linesizeU |
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sub r7, r7, r0, lsr #1 @ r7 = linesizeU - width / 2 (paddingU) |
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add r6, r6, r7 @ srcU += paddingU |
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ldr r7, [sp, #124] @ r7 = linesizeV |
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sub r7, r7, r0, lsr #1 @ r7 = linesizeV - width / 2 (paddingV) |
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add r10, r10, r7 @ srcV += paddingV |
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subs r1, r1, #2 @ height -= 2 |
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.endif |
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.ifc \ifmt,yuv422p |
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add r6, r6, r7 @ srcU += paddingU |
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add r10,r10,r12 @ srcV += paddingV |
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subs r1, r1, #1 @ height -= 1 |
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.endif |
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bgt 1b |
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vpop {q4-q7} |
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pop {r4-r12, lr} |
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mov pc, lr |
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endfunc |
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.endm |
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.macro declare_rgb_funcs ifmt precision |
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declare_func \ifmt, argb, \precision |
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declare_func \ifmt, rgba, \precision |
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declare_func \ifmt, abgr, \precision |
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declare_func \ifmt, bgra, \precision |
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.endm |
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declare_rgb_funcs nv12, 16 |
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declare_rgb_funcs nv21, 16 |
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declare_rgb_funcs nv12, 32 |
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declare_rgb_funcs nv21, 32 |
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declare_rgb_funcs yuv420p, 16 |
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declare_rgb_funcs yuv420p, 32 |
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declare_rgb_funcs yuv422p, 16 |
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declare_rgb_funcs yuv422p, 32
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