diff options
author | Janne Grunau <janne-libav@jannau.net> | 2011-09-24 15:05:55 +0400 |
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committer | Mans Rullgard <mans@mansr.com> | 2011-12-06 17:48:24 +0400 |
commit | 42d32cf53cd0aa0da7cf7a89c8b46adaf761936c (patch) | |
tree | 8e459b318cee5b9f2dda5dd4121218b08dacd4b8 /libavcodec/arm | |
parent | 52401b82bd2ed30d4c4353cb084bf4ee679d0c22 (diff) |
rv34: NEON optimised inverse transform functions
Signed-off-by: Mans Rullgard <mans@mansr.com>
Diffstat (limited to 'libavcodec/arm')
-rw-r--r-- | libavcodec/arm/Makefile | 6 | ||||
-rw-r--r-- | libavcodec/arm/rv34dsp_init_neon.c | 33 | ||||
-rw-r--r-- | libavcodec/arm/rv34dsp_neon.S | 109 |
3 files changed, 148 insertions, 0 deletions
diff --git a/libavcodec/arm/Makefile b/libavcodec/arm/Makefile index 3374f0e2bd..9199faea3b 100644 --- a/libavcodec/arm/Makefile +++ b/libavcodec/arm/Makefile @@ -62,6 +62,12 @@ NEON-OBJS-$(CONFIG_AC3DSP) += arm/ac3dsp_neon.o NEON-OBJS-$(CONFIG_DCA_DECODER) += arm/dcadsp_neon.o \ arm/synth_filter_neon.o \ +NEON-OBJS-$(CONFIG_RV30_DECODER) += arm/rv34dsp_init_neon.o \ + arm/rv34dsp_neon.o \ + +NEON-OBJS-$(CONFIG_RV40_DECODER) += arm/rv34dsp_init_neon.o \ + arm/rv34dsp_neon.o \ + NEON-OBJS-$(CONFIG_VP3_DECODER) += arm/vp3dsp_neon.o NEON-OBJS-$(CONFIG_VP5_DECODER) += arm/vp56dsp_neon.o \ diff --git a/libavcodec/arm/rv34dsp_init_neon.c b/libavcodec/arm/rv34dsp_init_neon.c new file mode 100644 index 0000000000..9a09fde7a9 --- /dev/null +++ b/libavcodec/arm/rv34dsp_init_neon.c @@ -0,0 +1,33 @@ +/* + * Copyright (c) 2011 Janne Grunau <janne-libav@jannau.net> + * + * 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 <stdint.h> + +#include "libavcodec/avcodec.h" +#include "libavcodec/rv34dsp.h" + +void ff_rv34_inv_transform_neon(DCTELEM *block); +void ff_rv34_inv_transform_noround_neon(DCTELEM *block); + +void ff_rv34dsp_init_neon(RV34DSPContext *c, DSPContext* dsp) +{ + c->rv34_inv_transform_tab[0] = ff_rv34_inv_transform_neon; + c->rv34_inv_transform_tab[1] = ff_rv34_inv_transform_noround_neon; +} diff --git a/libavcodec/arm/rv34dsp_neon.S b/libavcodec/arm/rv34dsp_neon.S new file mode 100644 index 0000000000..f700f5c321 --- /dev/null +++ b/libavcodec/arm/rv34dsp_neon.S @@ -0,0 +1,109 @@ +/* + * Copyright (c) 2011 Janne Grunau <janne-libav@jannau.net> + * + * 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 "asm.S" + +.macro rv34_inv_transform + mov r1, #16 + vld1.16 {d28}, [r0,:64], r1 @ block[i+8*0] + vld1.16 {d29}, [r0,:64], r1 @ block[i+8*1] + vld1.16 {d30}, [r0,:64], r1 @ block[i+8*2] + vld1.16 {d31}, [r0,:64], r1 @ block[i+8*3] + vmov.s16 d0, #13 + vshll.s16 q12, d29, #3 + vshll.s16 q13, d29, #4 + vshll.s16 q9, d31, #3 + vshll.s16 q1, d31, #4 + vmull.s16 q10, d28, d0 + vmlal.s16 q10, d30, d0 + vmull.s16 q11, d28, d0 + vmlsl.s16 q11, d30, d0 + vsubw.s16 q12, q12, d29 @ z2 = block[i+8*1]*7 + vaddw.s16 q13, q13, d29 @ z3 = block[i+8*1]*17 + vsubw.s16 q9, q9, d31 + vaddw.s16 q1, q1, d31 + vadd.s32 q13, q13, q9 @ z3 = 17*block[i+8*1] + 7*block[i+8*3] + vsub.s32 q12, q12, q1 @ z2 = 7*block[i+8*1] - 17*block[i+8*3] + vadd.s32 q1, q10, q13 @ z0 + z3 + vadd.s32 q2, q11, q12 @ z1 + z2 + vsub.s32 q8, q10, q13 @ z0 - z3 + vsub.s32 q3, q11, q12 @ z1 - z2 + vtrn.32 q1, q2 + vtrn.32 q3, q8 + vswp d3, d6 + vswp d5, d16 + vmov.s32 d0, #13 + vadd.s32 q10, q1, q3 + vsub.s32 q11, q1, q3 + vshl.s32 q12, q2, #3 + vshl.s32 q9, q2, #4 + vmul.s32 q13, q11, d0[0] + vshl.s32 q11, q8, #4 + vadd.s32 q9, q9, q2 + vshl.s32 q15, q8, #3 + vsub.s32 q12, q12, q2 + vadd.s32 q11, q11, q8 + vmul.s32 q14, q10, d0[0] + vsub.s32 q8, q15, q8 + vsub.s32 q12, q12, q11 + vadd.s32 q9, q9, q8 + vadd.s32 q2, q13, q12 @ z1 + z2 + vadd.s32 q1, q14, q9 @ z0 + z3 + vsub.s32 q3, q13, q12 @ z1 - z2 + vsub.s32 q15, q14, q9 @ z0 - z3 +.endm + +/* void ff_rv34_inv_transform_neon(DCTELEM *block); */ +function ff_rv34_inv_transform_neon, export=1 + mov r2, r0 + rv34_inv_transform + vrshrn.s32 d1, q2, #10 @ (z1 + z2) >> 10 + vrshrn.s32 d0, q1, #10 @ (z0 + z3) >> 10 + vrshrn.s32 d2, q3, #10 @ (z1 - z2) >> 10 + vrshrn.s32 d3, q15, #10 @ (z0 - z3) >> 10 + vst4.16 {d0[0], d1[0], d2[0], d3[0]}, [r2,:64], r1 + vst4.16 {d0[1], d1[1], d2[1], d3[1]}, [r2,:64], r1 + vst4.16 {d0[2], d1[2], d2[2], d3[2]}, [r2,:64], r1 + vst4.16 {d0[3], d1[3], d2[3], d3[3]}, [r2,:64], r1 + bx lr +endfunc + +/* void rv34_inv_transform_noround_neon(DCTELEM *block); */ +function ff_rv34_inv_transform_noround_neon, export=1 + mov r2, r0 + rv34_inv_transform + vshl.s32 q11, q2, #1 + vshl.s32 q10, q1, #1 + vshl.s32 q12, q3, #1 + vshl.s32 q13, q15, #1 + vadd.s32 q11, q11, q2 + vadd.s32 q10, q10, q1 + vadd.s32 q12, q12, q3 + vadd.s32 q13, q13, q15 + vshrn.s32 d0, q10, #11 @ (z0 + z3)*3 >> 11 + vshrn.s32 d1, q11, #11 @ (z1 + z2)*3 >> 11 + vshrn.s32 d2, q12, #11 @ (z1 - z2)*3 >> 11 + vshrn.s32 d3, q13, #11 @ (z0 - z3)*3 >> 11 + vst4.16 {d0[0], d1[0], d2[0], d3[0]}, [r2,:64], r1 + vst4.16 {d0[1], d1[1], d2[1], d3[1]}, [r2,:64], r1 + vst4.16 {d0[2], d1[2], d2[2], d3[2]}, [r2,:64], r1 + vst4.16 {d0[3], d1[3], d2[3], d3[3]}, [r2,:64], r1 + bx lr +endfunc |