diff options
Diffstat (limited to 'libavcodec/arm/idctdsp_neon.S')
| -rw-r--r-- | libavcodec/arm/idctdsp_neon.S | 128 |
1 files changed, 128 insertions, 0 deletions
diff --git a/libavcodec/arm/idctdsp_neon.S b/libavcodec/arm/idctdsp_neon.S new file mode 100644 index 0000000000..7095879bae --- /dev/null +++ b/libavcodec/arm/idctdsp_neon.S @@ -0,0 +1,128 @@ +/* + * ARM-NEON-optimized IDCT 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" + +function ff_put_pixels_clamped_neon, export=1 + vld1.16 {d16-d19}, [r0,:128]! + vqmovun.s16 d0, q8 + vld1.16 {d20-d23}, [r0,:128]! + vqmovun.s16 d1, q9 + vld1.16 {d24-d27}, [r0,:128]! + vqmovun.s16 d2, q10 + vld1.16 {d28-d31}, [r0,:128]! + vqmovun.s16 d3, q11 + vst1.8 {d0}, [r1,:64], r2 + vqmovun.s16 d4, q12 + vst1.8 {d1}, [r1,:64], r2 + vqmovun.s16 d5, q13 + vst1.8 {d2}, [r1,:64], r2 + vqmovun.s16 d6, q14 + vst1.8 {d3}, [r1,:64], r2 + vqmovun.s16 d7, q15 + vst1.8 {d4}, [r1,:64], r2 + vst1.8 {d5}, [r1,:64], r2 + vst1.8 {d6}, [r1,:64], r2 + vst1.8 {d7}, [r1,:64], r2 + bx lr +endfunc + +function ff_put_signed_pixels_clamped_neon, export=1 + vmov.u8 d31, #128 + vld1.16 {d16-d17}, [r0,:128]! + vqmovn.s16 d0, q8 + vld1.16 {d18-d19}, [r0,:128]! + vqmovn.s16 d1, q9 + vld1.16 {d16-d17}, [r0,:128]! + vqmovn.s16 d2, q8 + vld1.16 {d18-d19}, [r0,:128]! + vadd.u8 d0, d0, d31 + vld1.16 {d20-d21}, [r0,:128]! + vadd.u8 d1, d1, d31 + vld1.16 {d22-d23}, [r0,:128]! + vadd.u8 d2, d2, d31 + vst1.8 {d0}, [r1,:64], r2 + vqmovn.s16 d3, q9 + vst1.8 {d1}, [r1,:64], r2 + vqmovn.s16 d4, q10 + vst1.8 {d2}, [r1,:64], r2 + vqmovn.s16 d5, q11 + vld1.16 {d24-d25}, [r0,:128]! + vadd.u8 d3, d3, d31 + vld1.16 {d26-d27}, [r0,:128]! + vadd.u8 d4, d4, d31 + vadd.u8 d5, d5, d31 + vst1.8 {d3}, [r1,:64], r2 + vqmovn.s16 d6, q12 + vst1.8 {d4}, [r1,:64], r2 + vqmovn.s16 d7, q13 + vst1.8 {d5}, [r1,:64], r2 + vadd.u8 d6, d6, d31 + vadd.u8 d7, d7, d31 + vst1.8 {d6}, [r1,:64], r2 + vst1.8 {d7}, [r1,:64], r2 + bx lr +endfunc + +function ff_add_pixels_clamped_neon, export=1 + mov r3, r1 + vld1.8 {d16}, [r1,:64], r2 + vld1.16 {d0-d1}, [r0,:128]! + vaddw.u8 q0, q0, d16 + vld1.8 {d17}, [r1,:64], r2 + vld1.16 {d2-d3}, [r0,:128]! + vqmovun.s16 d0, q0 + vld1.8 {d18}, [r1,:64], r2 + vaddw.u8 q1, q1, d17 + vld1.16 {d4-d5}, [r0,:128]! + vaddw.u8 q2, q2, d18 + vst1.8 {d0}, [r3,:64], r2 + vqmovun.s16 d2, q1 + vld1.8 {d19}, [r1,:64], r2 + vld1.16 {d6-d7}, [r0,:128]! + vaddw.u8 q3, q3, d19 + vqmovun.s16 d4, q2 + vst1.8 {d2}, [r3,:64], r2 + vld1.8 {d16}, [r1,:64], r2 + vqmovun.s16 d6, q3 + vld1.16 {d0-d1}, [r0,:128]! + vaddw.u8 q0, q0, d16 + vst1.8 {d4}, [r3,:64], r2 + vld1.8 {d17}, [r1,:64], r2 + vld1.16 {d2-d3}, [r0,:128]! + vaddw.u8 q1, q1, d17 + vst1.8 {d6}, [r3,:64], r2 + vqmovun.s16 d0, q0 + vld1.8 {d18}, [r1,:64], r2 + vld1.16 {d4-d5}, [r0,:128]! + vaddw.u8 q2, q2, d18 + vst1.8 {d0}, [r3,:64], r2 + vqmovun.s16 d2, q1 + vld1.8 {d19}, [r1,:64], r2 + vqmovun.s16 d4, q2 + vld1.16 {d6-d7}, [r0,:128]! + vaddw.u8 q3, q3, d19 + vst1.8 {d2}, [r3,:64], r2 + vqmovun.s16 d6, q3 + vst1.8 {d4}, [r3,:64], r2 + vst1.8 {d6}, [r3,:64], r2 + bx lr +endfunc |