diff options
author | Justin Ruggles <justin.ruggles@gmail.com> | 2011-01-30 18:06:46 +0300 |
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committer | Michael Niedermayer <michaelni@gmx.at> | 2011-02-04 05:08:09 +0300 |
commit | fe2ff6d24745f0739bfde9061092c1268557310b (patch) | |
tree | 9cbcf8b2472dd7612dd84c8b6b237d9d02b4daf9 /libavcodec/arm/fmtconvert_neon.S | |
parent | a35d782d28ef0497f2b65eb300c2e6a6028fc165 (diff) |
Separate format conversion DSP functions from DSPContext.
This will be beneficial for use with the audio conversion API without
requiring it to depend on all of dsputil.
Signed-off-by: Mans Rullgard <mans@mansr.com>
(cherry picked from commit c73d99e672329c8f2df290736ffc474c360ac4ae)
Diffstat (limited to 'libavcodec/arm/fmtconvert_neon.S')
-rw-r--r-- | libavcodec/arm/fmtconvert_neon.S | 391 |
1 files changed, 391 insertions, 0 deletions
diff --git a/libavcodec/arm/fmtconvert_neon.S b/libavcodec/arm/fmtconvert_neon.S new file mode 100644 index 0000000000..359e57e40b --- /dev/null +++ b/libavcodec/arm/fmtconvert_neon.S @@ -0,0 +1,391 @@ +/* + * ARM NEON optimised Format Conversion Utils + * Copyright (c) 2008 Mans Rullgard <mans@mansr.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 "config.h" +#include "asm.S" + + preserve8 + .text + +function ff_float_to_int16_neon, export=1 + subs r2, r2, #8 + vld1.64 {d0-d1}, [r1,:128]! + vcvt.s32.f32 q8, q0, #16 + vld1.64 {d2-d3}, [r1,:128]! + vcvt.s32.f32 q9, q1, #16 + beq 3f + bics ip, r2, #15 + beq 2f +1: subs ip, ip, #16 + vshrn.s32 d4, q8, #16 + vld1.64 {d0-d1}, [r1,:128]! + vcvt.s32.f32 q0, q0, #16 + vshrn.s32 d5, q9, #16 + vld1.64 {d2-d3}, [r1,:128]! + vcvt.s32.f32 q1, q1, #16 + vshrn.s32 d6, q0, #16 + vst1.64 {d4-d5}, [r0,:128]! + vshrn.s32 d7, q1, #16 + vld1.64 {d16-d17},[r1,:128]! + vcvt.s32.f32 q8, q8, #16 + vld1.64 {d18-d19},[r1,:128]! + vcvt.s32.f32 q9, q9, #16 + vst1.64 {d6-d7}, [r0,:128]! + bne 1b + ands r2, r2, #15 + beq 3f +2: vld1.64 {d0-d1}, [r1,:128]! + vshrn.s32 d4, q8, #16 + vcvt.s32.f32 q0, q0, #16 + vld1.64 {d2-d3}, [r1,:128]! + vshrn.s32 d5, q9, #16 + vcvt.s32.f32 q1, q1, #16 + vshrn.s32 d6, q0, #16 + vst1.64 {d4-d5}, [r0,:128]! + vshrn.s32 d7, q1, #16 + vst1.64 {d6-d7}, [r0,:128]! + bx lr +3: vshrn.s32 d4, q8, #16 + vshrn.s32 d5, q9, #16 + vst1.64 {d4-d5}, [r0,:128]! + bx lr +endfunc + +function ff_float_to_int16_interleave_neon, export=1 + cmp r3, #2 + ldrlt r1, [r1] + blt ff_float_to_int16_neon + bne 4f + + ldr r3, [r1] + ldr r1, [r1, #4] + + subs r2, r2, #8 + vld1.64 {d0-d1}, [r3,:128]! + vcvt.s32.f32 q8, q0, #16 + vld1.64 {d2-d3}, [r3,:128]! + vcvt.s32.f32 q9, q1, #16 + vld1.64 {d20-d21},[r1,:128]! + vcvt.s32.f32 q10, q10, #16 + vld1.64 {d22-d23},[r1,:128]! + vcvt.s32.f32 q11, q11, #16 + beq 3f + bics ip, r2, #15 + beq 2f +1: subs ip, ip, #16 + vld1.64 {d0-d1}, [r3,:128]! + vcvt.s32.f32 q0, q0, #16 + vsri.32 q10, q8, #16 + vld1.64 {d2-d3}, [r3,:128]! + vcvt.s32.f32 q1, q1, #16 + vld1.64 {d24-d25},[r1,:128]! + vcvt.s32.f32 q12, q12, #16 + vld1.64 {d26-d27},[r1,:128]! + vsri.32 q11, q9, #16 + vst1.64 {d20-d21},[r0,:128]! + vcvt.s32.f32 q13, q13, #16 + vst1.64 {d22-d23},[r0,:128]! + vsri.32 q12, q0, #16 + vld1.64 {d16-d17},[r3,:128]! + vsri.32 q13, q1, #16 + vst1.64 {d24-d25},[r0,:128]! + vcvt.s32.f32 q8, q8, #16 + vld1.64 {d18-d19},[r3,:128]! + vcvt.s32.f32 q9, q9, #16 + vld1.64 {d20-d21},[r1,:128]! + vcvt.s32.f32 q10, q10, #16 + vld1.64 {d22-d23},[r1,:128]! + vcvt.s32.f32 q11, q11, #16 + vst1.64 {d26-d27},[r0,:128]! + bne 1b + ands r2, r2, #15 + beq 3f +2: vsri.32 q10, q8, #16 + vld1.64 {d0-d1}, [r3,:128]! + vcvt.s32.f32 q0, q0, #16 + vld1.64 {d2-d3}, [r3,:128]! + vcvt.s32.f32 q1, q1, #16 + vld1.64 {d24-d25},[r1,:128]! + vcvt.s32.f32 q12, q12, #16 + vsri.32 q11, q9, #16 + vld1.64 {d26-d27},[r1,:128]! + vcvt.s32.f32 q13, q13, #16 + vst1.64 {d20-d21},[r0,:128]! + vsri.32 q12, q0, #16 + vst1.64 {d22-d23},[r0,:128]! + vsri.32 q13, q1, #16 + vst1.64 {d24-d27},[r0,:128]! + bx lr +3: vsri.32 q10, q8, #16 + vsri.32 q11, q9, #16 + vst1.64 {d20-d23},[r0,:128]! + bx lr + +4: push {r4-r8,lr} + cmp r3, #4 + lsl ip, r3, #1 + blt 4f + + @ 4 channels +5: ldmia r1!, {r4-r7} + mov lr, r2 + mov r8, r0 + vld1.64 {d16-d17},[r4,:128]! + vcvt.s32.f32 q8, q8, #16 + vld1.64 {d18-d19},[r5,:128]! + vcvt.s32.f32 q9, q9, #16 + vld1.64 {d20-d21},[r6,:128]! + vcvt.s32.f32 q10, q10, #16 + vld1.64 {d22-d23},[r7,:128]! + vcvt.s32.f32 q11, q11, #16 +6: subs lr, lr, #8 + vld1.64 {d0-d1}, [r4,:128]! + vcvt.s32.f32 q0, q0, #16 + vsri.32 q9, q8, #16 + vld1.64 {d2-d3}, [r5,:128]! + vcvt.s32.f32 q1, q1, #16 + vsri.32 q11, q10, #16 + vld1.64 {d4-d5}, [r6,:128]! + vcvt.s32.f32 q2, q2, #16 + vzip.32 d18, d22 + vld1.64 {d6-d7}, [r7,:128]! + vcvt.s32.f32 q3, q3, #16 + vzip.32 d19, d23 + vst1.64 {d18}, [r8], ip + vsri.32 q1, q0, #16 + vst1.64 {d22}, [r8], ip + vsri.32 q3, q2, #16 + vst1.64 {d19}, [r8], ip + vzip.32 d2, d6 + vst1.64 {d23}, [r8], ip + vzip.32 d3, d7 + beq 7f + vld1.64 {d16-d17},[r4,:128]! + vcvt.s32.f32 q8, q8, #16 + vst1.64 {d2}, [r8], ip + vld1.64 {d18-d19},[r5,:128]! + vcvt.s32.f32 q9, q9, #16 + vst1.64 {d6}, [r8], ip + vld1.64 {d20-d21},[r6,:128]! + vcvt.s32.f32 q10, q10, #16 + vst1.64 {d3}, [r8], ip + vld1.64 {d22-d23},[r7,:128]! + vcvt.s32.f32 q11, q11, #16 + vst1.64 {d7}, [r8], ip + b 6b +7: vst1.64 {d2}, [r8], ip + vst1.64 {d6}, [r8], ip + vst1.64 {d3}, [r8], ip + vst1.64 {d7}, [r8], ip + subs r3, r3, #4 + popeq {r4-r8,pc} + cmp r3, #4 + add r0, r0, #8 + bge 5b + + @ 2 channels +4: cmp r3, #2 + blt 4f + ldmia r1!, {r4-r5} + mov lr, r2 + mov r8, r0 + tst lr, #8 + vld1.64 {d16-d17},[r4,:128]! + vcvt.s32.f32 q8, q8, #16 + vld1.64 {d18-d19},[r5,:128]! + vcvt.s32.f32 q9, q9, #16 + vld1.64 {d20-d21},[r4,:128]! + vcvt.s32.f32 q10, q10, #16 + vld1.64 {d22-d23},[r5,:128]! + vcvt.s32.f32 q11, q11, #16 + beq 6f + subs lr, lr, #8 + beq 7f + vsri.32 d18, d16, #16 + vsri.32 d19, d17, #16 + vld1.64 {d16-d17},[r4,:128]! + vcvt.s32.f32 q8, q8, #16 + vst1.32 {d18[0]}, [r8], ip + vsri.32 d22, d20, #16 + vst1.32 {d18[1]}, [r8], ip + vsri.32 d23, d21, #16 + vst1.32 {d19[0]}, [r8], ip + vst1.32 {d19[1]}, [r8], ip + vld1.64 {d18-d19},[r5,:128]! + vcvt.s32.f32 q9, q9, #16 + vst1.32 {d22[0]}, [r8], ip + vst1.32 {d22[1]}, [r8], ip + vld1.64 {d20-d21},[r4,:128]! + vcvt.s32.f32 q10, q10, #16 + vst1.32 {d23[0]}, [r8], ip + vst1.32 {d23[1]}, [r8], ip + vld1.64 {d22-d23},[r5,:128]! + vcvt.s32.f32 q11, q11, #16 +6: subs lr, lr, #16 + vld1.64 {d0-d1}, [r4,:128]! + vcvt.s32.f32 q0, q0, #16 + vsri.32 d18, d16, #16 + vld1.64 {d2-d3}, [r5,:128]! + vcvt.s32.f32 q1, q1, #16 + vsri.32 d19, d17, #16 + vld1.64 {d4-d5}, [r4,:128]! + vcvt.s32.f32 q2, q2, #16 + vld1.64 {d6-d7}, [r5,:128]! + vcvt.s32.f32 q3, q3, #16 + vst1.32 {d18[0]}, [r8], ip + vsri.32 d22, d20, #16 + vst1.32 {d18[1]}, [r8], ip + vsri.32 d23, d21, #16 + vst1.32 {d19[0]}, [r8], ip + vsri.32 d2, d0, #16 + vst1.32 {d19[1]}, [r8], ip + vsri.32 d3, d1, #16 + vst1.32 {d22[0]}, [r8], ip + vsri.32 d6, d4, #16 + vst1.32 {d22[1]}, [r8], ip + vsri.32 d7, d5, #16 + vst1.32 {d23[0]}, [r8], ip + vst1.32 {d23[1]}, [r8], ip + beq 6f + vld1.64 {d16-d17},[r4,:128]! + vcvt.s32.f32 q8, q8, #16 + vst1.32 {d2[0]}, [r8], ip + vst1.32 {d2[1]}, [r8], ip + vld1.64 {d18-d19},[r5,:128]! + vcvt.s32.f32 q9, q9, #16 + vst1.32 {d3[0]}, [r8], ip + vst1.32 {d3[1]}, [r8], ip + vld1.64 {d20-d21},[r4,:128]! + vcvt.s32.f32 q10, q10, #16 + vst1.32 {d6[0]}, [r8], ip + vst1.32 {d6[1]}, [r8], ip + vld1.64 {d22-d23},[r5,:128]! + vcvt.s32.f32 q11, q11, #16 + vst1.32 {d7[0]}, [r8], ip + vst1.32 {d7[1]}, [r8], ip + bgt 6b +6: vst1.32 {d2[0]}, [r8], ip + vst1.32 {d2[1]}, [r8], ip + vst1.32 {d3[0]}, [r8], ip + vst1.32 {d3[1]}, [r8], ip + vst1.32 {d6[0]}, [r8], ip + vst1.32 {d6[1]}, [r8], ip + vst1.32 {d7[0]}, [r8], ip + vst1.32 {d7[1]}, [r8], ip + b 8f +7: vsri.32 d18, d16, #16 + vsri.32 d19, d17, #16 + vst1.32 {d18[0]}, [r8], ip + vsri.32 d22, d20, #16 + vst1.32 {d18[1]}, [r8], ip + vsri.32 d23, d21, #16 + vst1.32 {d19[0]}, [r8], ip + vst1.32 {d19[1]}, [r8], ip + vst1.32 {d22[0]}, [r8], ip + vst1.32 {d22[1]}, [r8], ip + vst1.32 {d23[0]}, [r8], ip + vst1.32 {d23[1]}, [r8], ip +8: subs r3, r3, #2 + add r0, r0, #4 + popeq {r4-r8,pc} + + @ 1 channel +4: ldr r4, [r1],#4 + tst r2, #8 + mov lr, r2 + mov r5, r0 + vld1.64 {d0-d1}, [r4,:128]! + vcvt.s32.f32 q0, q0, #16 + vld1.64 {d2-d3}, [r4,:128]! + vcvt.s32.f32 q1, q1, #16 + bne 8f +6: subs lr, lr, #16 + vld1.64 {d4-d5}, [r4,:128]! + vcvt.s32.f32 q2, q2, #16 + vld1.64 {d6-d7}, [r4,:128]! + vcvt.s32.f32 q3, q3, #16 + vst1.16 {d0[1]}, [r5,:16], ip + vst1.16 {d0[3]}, [r5,:16], ip + vst1.16 {d1[1]}, [r5,:16], ip + vst1.16 {d1[3]}, [r5,:16], ip + vst1.16 {d2[1]}, [r5,:16], ip + vst1.16 {d2[3]}, [r5,:16], ip + vst1.16 {d3[1]}, [r5,:16], ip + vst1.16 {d3[3]}, [r5,:16], ip + beq 7f + vld1.64 {d0-d1}, [r4,:128]! + vcvt.s32.f32 q0, q0, #16 + vld1.64 {d2-d3}, [r4,:128]! + vcvt.s32.f32 q1, q1, #16 +7: vst1.16 {d4[1]}, [r5,:16], ip + vst1.16 {d4[3]}, [r5,:16], ip + vst1.16 {d5[1]}, [r5,:16], ip + vst1.16 {d5[3]}, [r5,:16], ip + vst1.16 {d6[1]}, [r5,:16], ip + vst1.16 {d6[3]}, [r5,:16], ip + vst1.16 {d7[1]}, [r5,:16], ip + vst1.16 {d7[3]}, [r5,:16], ip + bgt 6b + pop {r4-r8,pc} +8: subs lr, lr, #8 + vst1.16 {d0[1]}, [r5,:16], ip + vst1.16 {d0[3]}, [r5,:16], ip + vst1.16 {d1[1]}, [r5,:16], ip + vst1.16 {d1[3]}, [r5,:16], ip + vst1.16 {d2[1]}, [r5,:16], ip + vst1.16 {d2[3]}, [r5,:16], ip + vst1.16 {d3[1]}, [r5,:16], ip + vst1.16 {d3[3]}, [r5,:16], ip + popeq {r4-r8,pc} + vld1.64 {d0-d1}, [r4,:128]! + vcvt.s32.f32 q0, q0, #16 + vld1.64 {d2-d3}, [r4,:128]! + vcvt.s32.f32 q1, q1, #16 + b 6b +endfunc + +function ff_int32_to_float_fmul_scalar_neon, export=1 +VFP vdup.32 q0, d0[0] +VFP len .req r2 +NOVFP vdup.32 q0, r2 +NOVFP len .req r3 + + vld1.32 {q1},[r1,:128]! + vcvt.f32.s32 q3, q1 + vld1.32 {q2},[r1,:128]! + vcvt.f32.s32 q8, q2 +1: subs len, len, #8 + pld [r1, #16] + vmul.f32 q9, q3, q0 + vmul.f32 q10, q8, q0 + beq 2f + vld1.32 {q1},[r1,:128]! + vcvt.f32.s32 q3, q1 + vld1.32 {q2},[r1,:128]! + vcvt.f32.s32 q8, q2 + vst1.32 {q9}, [r0,:128]! + vst1.32 {q10},[r0,:128]! + b 1b +2: vst1.32 {q9}, [r0,:128]! + vst1.32 {q10},[r0,:128]! + bx lr + .unreq len +endfunc |