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authorRonald S. Bultje <rsbultje@gmail.com>2013-03-10 16:16:45 -0700
committerMichael Niedermayer <michaelni@gmx.at>2013-03-13 04:04:13 +0100
commitde99545f4641d7cb9d7d539bae376413b8a88a8d (patch)
tree09999d6e09cae97f24729966bfb4d4cfd49733f0 /libavcodec/arm/hpeldsp_neon.S
parent89f16ded9b747de8870ddee87176e105a5d75dcd (diff)
downloadffmpeg-de99545f4641d7cb9d7d539bae376413b8a88a8d.tar.gz
Move arm half-pel assembly from dsputil to hpeldsp.
Diffstat (limited to 'libavcodec/arm/hpeldsp_neon.S')
-rw-r--r--libavcodec/arm/hpeldsp_neon.S410
1 files changed, 410 insertions, 0 deletions
diff --git a/libavcodec/arm/hpeldsp_neon.S b/libavcodec/arm/hpeldsp_neon.S
new file mode 100644
index 0000000000..cf4a6cfb8d
--- /dev/null
+++ b/libavcodec/arm/hpeldsp_neon.S
@@ -0,0 +1,410 @@
+/*
+ * ARM NEON optimised DSP functions
+ * 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 "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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