/* * 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 vsub.u16 q14,q11 @ q14 = U * (1 << 3) - 128 * (1 << 3) vsub.u16 q15,q11 @ q15 = V * (1 << 3) - 128 * (1 << 3) vqdmulh.s16 q8, q15, d1[0] @ q8 = V * v2r vqdmulh.s16 q9, q14, d1[1] @ q9 = U * u2g vqdmulh.s16 q5, q15, d1[2] @ q5 = V * v2g vadd.s16 q9, q5 @ q9 = U * u2g + V * v2g vqdmulh.s16 q10,q14, d1[3] @ q10 = U * u2b .endm .macro compute_color dst_comp1 dst_comp2 pre vadd.s16 q1, q14, \pre vadd.s16 q2, q15, \pre vqrshrun.s16 \dst_comp1, q1, #1 vqrshrun.s16 \dst_comp2, q2, #1 .endm .macro compute_rgba r1 g1 b1 a1 r2 g2 b2 a2 compute_color \r1, \r2, q8 compute_color \g1, \g2, q9 compute_color \b1, \b2, q10 vmov.u8 \a1, #255 vmov.u8 \a2, #255 .endm .macro compute dst ofmt vshll.u8 q14, d14, #3 @ q14 = Y * (1 << 3) vshll.u8 q15, d15, #3 @ q15 = Y * (1 << 3) vsub.s16 q14, q12 @ q14 = (Y - y_offset) vsub.s16 q15, q12 @ q15 = (Y - y_offset) vqdmulh.s16 q14, q13 @ q14 = (Y - y_offset) * y_coeff vqdmulh.s16 q15, q13 @ q15 = (Y - y_offset) * y_coeff .ifc \ofmt,argb compute_rgba d7, d8, d9, d6, d11, d12, d13, d10 .endif .ifc \ofmt,rgba compute_rgba d6, d7, d8, d9, d10, d11, d12, d13 .endif .ifc \ofmt,abgr compute_rgba d9, d8, d7, d6, d13, d12, d11, d10 .endif .ifc \ofmt,bgra compute_rgba d8, d7, d6, d9, d12, d11, d10, d13 .endif vzip.8 d6, d10 @ d6 = R1R2R3R4R5R6R7R8 d10 = R9R10R11R12R13R14R15R16 vzip.8 d7, d11 @ d7 = G1G2G3G4G5G6G7G8 d11 = G9G10G11G12G13G14G15G16 vzip.8 d8, d12 @ d8 = B1B2B3B4B5B6B7B8 d12 = B9B10B11B12B13B14B15B16 vzip.8 d9, d13 @ d9 = A1A2A3A4A5A6A7A8 d13 = A9A10A11A12A13A14A15A16 vst4.8 {q3, q4}, [\dst]! vst4.8 {q5, q6}, [\dst]! .endm .macro process_1l_internal dst src ofmt vld2.8 {d14, d15}, [\src]! @ q7 = Y (interleaved) compute \dst, \ofmt .endm .macro process_1l ofmt compute_premult process_1l_internal r2, r4, \ofmt .endm .macro process_2l ofmt compute_premult process_1l_internal r2, r4, \ofmt process_1l_internal r11,r12,\ofmt .endm .macro load_args_nv12 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_nv21 load_args_nv12 .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 load_chroma_nv12 pld [r12, #64*3] vld2.8 {d2, d3}, [r6]! @ q1: interleaved chroma line vshll.u8 q14, d2, #3 @ q14 = U * (1 << 3) vshll.u8 q15, d3, #3 @ q15 = V * (1 << 3) .endm .macro load_chroma_nv21 pld [r12, #64*3] vld2.8 {d2, d3}, [r6]! @ q1: interleaved chroma line vshll.u8 q14, d3, #3 @ q14 = U * (1 << 3) vshll.u8 q15, d2, #3 @ q15 = V * (1 << 3) .endm .macro load_chroma_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 vshll.u8 q14, d2, #3 @ q14 = U * (1 << 3) vshll.u8 q15, d3, #3 @ q15 = V * (1 << 3) .endm .macro load_chroma_yuv422p pld [r10, #64*3] vld1.8 d2, [r6]! @ d2: chroma red line vld1.8 d3, [r10]! @ d3: chroma blue line vshll.u8 q14, d2, #3 @ q14 = U * (1 << 3) vshll.u8 q15, d3, #3 @ q15 = V * (1 << 3) .endm .macro increment_and_test_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 .endm .macro increment_and_test_nv21 increment_and_test_nv12 .endm .macro increment_and_test_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 .endm .macro increment_and_test_yuv422p add r6, r6, r7 @ srcU += paddingU add r10,r10,r12 @ srcV += paddingV subs r1, r1, #1 @ height -= 1 .endm .macro process_nv12 ofmt process_2l \ofmt .endm .macro process_nv21 ofmt process_2l \ofmt .endm .macro process_yuv420p ofmt process_2l \ofmt .endm .macro process_yuv422p ofmt process_1l \ofmt .endm .macro declare_func ifmt ofmt function ff_\ifmt\()_to_\ofmt\()_neon, export=1 load_args_\ifmt vmov.u16 q11, #1024 @ q11 = 128 * (1 << 3) vdup.16 q12, r9 @ q12 = y_offset vmov d26, d0 @ q13 = y_coeff vmov d27, d0 @ q13 = y_coeff 1: mov r8, r0 @ r8 = width 2: pld [r6, #64*3] pld [r4, #64*3] vmov.i8 d10, #128 load_chroma_\ifmt process_\ifmt \ofmt subs r8, r8, #16 @ width -= 16 bgt 2b add r2, r2, r3 @ dst += padding add r4, r4, r5 @ srcY += paddingY increment_and_test_\ifmt 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