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- /*
- * ARM NEON optimised DSP functions
- * Copyright (c) 2008 Mans Rullgard <mans@mansr.com>
- *
- * This file is part of Libav.
- *
- * Libav 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.
- *
- * Libav 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 Libav; 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 pixels16 rnd=1, avg=0
- .if \avg
- mov r12, r0
- .endif
- 1: vld1.8 {q0}, [r1], r2
- vld1.8 {q1}, [r1], r2
- vld1.8 {q2}, [r1], r2
- pld [r1, r2, lsl #2]
- vld1.8 {q3}, [r1], r2
- pld [r1]
- pld [r1, r2]
- pld [r1, r2, lsl #1]
- .if \avg
- vld1.8 {q8}, [r12,:128], r2
- vrhadd.u8 q0, q0, q8
- vld1.8 {q9}, [r12,:128], r2
- vrhadd.u8 q1, q1, q9
- vld1.8 {q10}, [r12,:128], r2
- vrhadd.u8 q2, q2, q10
- vld1.8 {q11}, [r12,:128], r2
- vrhadd.u8 q3, q3, q11
- .endif
- subs r3, r3, #4
- vst1.64 {q0}, [r0,:128], r2
- vst1.64 {q1}, [r0,:128], r2
- vst1.64 {q2}, [r0,:128], r2
- vst1.64 {q3}, [r0,:128], r2
- bne 1b
- bx lr
- .endm
-
- .macro pixels16_x2 rnd=1, avg=0
- 1: vld1.8 {d0-d2}, [r1], r2
- vld1.8 {d4-d6}, [r1], r2
- pld [r1]
- pld [r1, r2]
- subs r3, r3, #2
- vext.8 q1, q0, q1, #1
- avg q0, q0, q1
- vext.8 q3, q2, q3, #1
- avg q2, q2, q3
- .if \avg
- vld1.8 {q1}, [r0,:128], r2
- vld1.8 {q3}, [r0,:128]
- vrhadd.u8 q0, q0, q1
- vrhadd.u8 q2, q2, q3
- sub r0, r0, r2
- .endif
- vst1.8 {q0}, [r0,:128], r2
- vst1.8 {q2}, [r0,:128], r2
- bne 1b
- bx lr
- .endm
-
- .macro pixels16_y2 rnd=1, avg=0
- sub r3, r3, #2
- vld1.8 {q0}, [r1], r2
- vld1.8 {q1}, [r1], r2
- 1: subs r3, r3, #2
- avg q2, q0, q1
- vld1.8 {q0}, [r1], r2
- avg q3, q0, q1
- vld1.8 {q1}, [r1], r2
- pld [r1]
- pld [r1, r2]
- .if \avg
- vld1.8 {q8}, [r0,:128], r2
- vld1.8 {q9}, [r0,:128]
- vrhadd.u8 q2, q2, q8
- vrhadd.u8 q3, q3, q9
- sub r0, r0, r2
- .endif
- vst1.8 {q2}, [r0,:128], r2
- vst1.8 {q3}, [r0,:128], r2
- bne 1b
-
- avg q2, q0, q1
- vld1.8 {q0}, [r1], r2
- avg q3, q0, q1
- .if \avg
- vld1.8 {q8}, [r0,:128], r2
- vld1.8 {q9}, [r0,:128]
- vrhadd.u8 q2, q2, q8
- vrhadd.u8 q3, q3, q9
- sub r0, r0, r2
- .endif
- vst1.8 {q2}, [r0,:128], r2
- vst1.8 {q3}, [r0,:128], r2
-
- bx lr
- .endm
-
- .macro pixels16_xy2 rnd=1, avg=0
- sub r3, r3, #2
- vld1.8 {d0-d2}, [r1], r2
- vld1.8 {d4-d6}, [r1], r2
- NRND vmov.i16 q13, #1
- pld [r1]
- pld [r1, r2]
- vext.8 q1, q0, q1, #1
- vext.8 q3, q2, q3, #1
- vaddl.u8 q8, d0, d2
- vaddl.u8 q10, d1, d3
- vaddl.u8 q9, d4, d6
- vaddl.u8 q11, d5, d7
- 1: subs r3, r3, #2
- vld1.8 {d0-d2}, [r1], r2
- vadd.u16 q12, q8, q9
- pld [r1]
- NRND vadd.u16 q12, q12, q13
- vext.8 q15, q0, q1, #1
- vadd.u16 q1 , q10, q11
- shrn d28, q12, #2
- NRND vadd.u16 q1, q1, q13
- shrn d29, q1, #2
- .if \avg
- vld1.8 {q8}, [r0,:128]
- vrhadd.u8 q14, q14, q8
- .endif
- vaddl.u8 q8, d0, d30
- vld1.8 {d2-d4}, [r1], r2
- vaddl.u8 q10, d1, d31
- vst1.8 {q14}, [r0,:128], r2
- vadd.u16 q12, q8, q9
- pld [r1, r2]
- NRND vadd.u16 q12, q12, q13
- vext.8 q2, q1, q2, #1
- vadd.u16 q0, q10, q11
- shrn d30, q12, #2
- NRND vadd.u16 q0, q0, q13
- shrn d31, q0, #2
- .if \avg
- vld1.8 {q9}, [r0,:128]
- vrhadd.u8 q15, q15, q9
- .endif
- vaddl.u8 q9, d2, d4
- vaddl.u8 q11, d3, d5
- vst1.8 {q15}, [r0,:128], r2
- bgt 1b
-
- vld1.8 {d0-d2}, [r1], r2
- vadd.u16 q12, q8, q9
- NRND vadd.u16 q12, q12, q13
- vext.8 q15, q0, q1, #1
- vadd.u16 q1 , q10, q11
- shrn d28, q12, #2
- NRND vadd.u16 q1, q1, q13
- shrn d29, q1, #2
- .if \avg
- vld1.8 {q8}, [r0,:128]
- vrhadd.u8 q14, q14, q8
- .endif
- vaddl.u8 q8, d0, d30
- vaddl.u8 q10, d1, d31
- vst1.8 {q14}, [r0,:128], r2
- vadd.u16 q12, q8, q9
- NRND vadd.u16 q12, q12, q13
- vadd.u16 q0, q10, q11
- shrn d30, q12, #2
- NRND vadd.u16 q0, q0, q13
- shrn d31, q0, #2
- .if \avg
- vld1.8 {q9}, [r0,:128]
- vrhadd.u8 q15, q15, q9
- .endif
- vst1.8 {q15}, [r0,:128], r2
-
- bx lr
- .endm
-
- .macro pixels8 rnd=1, avg=0
- 1: vld1.8 {d0}, [r1], r2
- vld1.8 {d1}, [r1], r2
- vld1.8 {d2}, [r1], r2
- pld [r1, r2, lsl #2]
- vld1.8 {d3}, [r1], r2
- pld [r1]
- pld [r1, r2]
- pld [r1, r2, lsl #1]
- .if \avg
- vld1.8 {d4}, [r0,:64], r2
- vrhadd.u8 d0, d0, d4
- vld1.8 {d5}, [r0,:64], r2
- vrhadd.u8 d1, d1, d5
- vld1.8 {d6}, [r0,:64], r2
- vrhadd.u8 d2, d2, d6
- vld1.8 {d7}, [r0,:64], r2
- vrhadd.u8 d3, d3, d7
- sub r0, r0, r2, lsl #2
- .endif
- subs r3, r3, #4
- vst1.8 {d0}, [r0,:64], r2
- vst1.8 {d1}, [r0,:64], r2
- vst1.8 {d2}, [r0,:64], r2
- vst1.8 {d3}, [r0,:64], r2
- bne 1b
- bx lr
- .endm
-
- .macro pixels8_x2 rnd=1, avg=0
- 1: vld1.8 {q0}, [r1], r2
- vext.8 d1, d0, d1, #1
- vld1.8 {q1}, [r1], r2
- vext.8 d3, d2, d3, #1
- pld [r1]
- pld [r1, r2]
- subs r3, r3, #2
- vswp d1, d2
- avg q0, q0, q1
- .if \avg
- vld1.8 {d4}, [r0,:64], r2
- vld1.8 {d5}, [r0,:64]
- vrhadd.u8 q0, q0, q2
- sub r0, r0, r2
- .endif
- vst1.8 {d0}, [r0,:64], r2
- vst1.8 {d1}, [r0,:64], r2
- bne 1b
- bx lr
- .endm
-
- .macro pixels8_y2 rnd=1, avg=0
- sub r3, r3, #2
- vld1.8 {d0}, [r1], r2
- vld1.8 {d1}, [r1], r2
- 1: subs r3, r3, #2
- avg d4, d0, d1
- vld1.8 {d0}, [r1], r2
- avg d5, d0, d1
- vld1.8 {d1}, [r1], r2
- pld [r1]
- pld [r1, r2]
- .if \avg
- vld1.8 {d2}, [r0,:64], r2
- vld1.8 {d3}, [r0,:64]
- vrhadd.u8 q2, q2, q1
- sub r0, r0, r2
- .endif
- vst1.8 {d4}, [r0,:64], r2
- vst1.8 {d5}, [r0,:64], r2
- bne 1b
-
- avg d4, d0, d1
- vld1.8 {d0}, [r1], r2
- avg d5, d0, d1
- .if \avg
- vld1.8 {d2}, [r0,:64], r2
- vld1.8 {d3}, [r0,:64]
- vrhadd.u8 q2, q2, q1
- sub r0, r0, r2
- .endif
- vst1.8 {d4}, [r0,:64], r2
- vst1.8 {d5}, [r0,:64], r2
-
- bx lr
- .endm
-
- .macro pixels8_xy2 rnd=1, avg=0
- sub r3, r3, #2
- vld1.8 {q0}, [r1], r2
- vld1.8 {q1}, [r1], r2
- NRND vmov.i16 q11, #1
- pld [r1]
- pld [r1, r2]
- vext.8 d4, d0, d1, #1
- vext.8 d6, d2, d3, #1
- vaddl.u8 q8, d0, d4
- vaddl.u8 q9, d2, d6
- 1: subs r3, r3, #2
- vld1.8 {q0}, [r1], r2
- pld [r1]
- vadd.u16 q10, q8, q9
- vext.8 d4, d0, d1, #1
- NRND vadd.u16 q10, q10, q11
- vaddl.u8 q8, d0, d4
- shrn d5, q10, #2
- vld1.8 {q1}, [r1], r2
- vadd.u16 q10, q8, q9
- pld [r1, r2]
- .if \avg
- vld1.8 {d7}, [r0,:64]
- vrhadd.u8 d5, d5, d7
- .endif
- NRND vadd.u16 q10, q10, q11
- vst1.8 {d5}, [r0,:64], r2
- shrn d7, q10, #2
- .if \avg
- vld1.8 {d5}, [r0,:64]
- vrhadd.u8 d7, d7, d5
- .endif
- vext.8 d6, d2, d3, #1
- vaddl.u8 q9, d2, d6
- vst1.8 {d7}, [r0,:64], r2
- bgt 1b
-
- vld1.8 {q0}, [r1], r2
- vadd.u16 q10, q8, q9
- vext.8 d4, d0, d1, #1
- NRND vadd.u16 q10, q10, q11
- vaddl.u8 q8, d0, d4
- shrn d5, q10, #2
- vadd.u16 q10, q8, q9
- .if \avg
- vld1.8 {d7}, [r0,:64]
- vrhadd.u8 d5, d5, d7
- .endif
- NRND vadd.u16 q10, q10, q11
- vst1.8 {d5}, [r0,:64], r2
- shrn d7, q10, #2
- .if \avg
- vld1.8 {d5}, [r0,:64]
- vrhadd.u8 d7, d7, d5
- .endif
- vst1.8 {d7}, [r0,:64], r2
-
- bx lr
- .endm
-
- .macro pixfunc pfx, name, suf, rnd=1, avg=0
- .if \rnd
- .macro avg rd, rn, rm
- vrhadd.u8 \rd, \rn, \rm
- .endm
- .macro shrn rd, rn, rm
- vrshrn.u16 \rd, \rn, \rm
- .endm
- .macro NRND insn:vararg
- .endm
- .else
- .macro avg rd, rn, rm
- vhadd.u8 \rd, \rn, \rm
- .endm
- .macro shrn rd, rn, rm
- vshrn.u16 \rd, \rn, \rm
- .endm
- .macro NRND insn:vararg
- \insn
- .endm
- .endif
- function ff_\pfx\name\suf\()_neon, export=1
- \name \rnd, \avg
- endfunc
- .purgem avg
- .purgem shrn
- .purgem NRND
- .endm
-
- .macro pixfunc2 pfx, name, avg=0
- pixfunc \pfx, \name, rnd=1, avg=\avg
- pixfunc \pfx, \name, _no_rnd, rnd=0, avg=\avg
- .endm
-
- function ff_put_h264_qpel16_mc00_neon, export=1
- mov r3, #16
- endfunc
-
- pixfunc put_, pixels16, avg=0
- pixfunc2 put_, pixels16_x2, avg=0
- pixfunc2 put_, pixels16_y2, avg=0
- pixfunc2 put_, pixels16_xy2, avg=0
-
- function ff_avg_h264_qpel16_mc00_neon, export=1
- mov r3, #16
- endfunc
-
- pixfunc avg_, pixels16, avg=1
- pixfunc2 avg_, pixels16_x2, avg=1
- pixfunc2 avg_, pixels16_y2, avg=1
- pixfunc2 avg_, pixels16_xy2, avg=1
-
- function ff_put_h264_qpel8_mc00_neon, export=1
- mov r3, #8
- endfunc
-
- pixfunc put_, pixels8, avg=0
- pixfunc2 put_, pixels8_x2, avg=0
- pixfunc2 put_, pixels8_y2, avg=0
- pixfunc2 put_, pixels8_xy2, avg=0
-
- function ff_avg_h264_qpel8_mc00_neon, export=1
- mov r3, #8
- endfunc
-
- pixfunc avg_, pixels8, avg=1
- pixfunc avg_, pixels8_x2, avg=1
- pixfunc avg_, pixels8_y2, avg=1
- pixfunc avg_, pixels8_xy2, avg=1
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