diff options
Diffstat (limited to 'libavcodec/x86/ttaencdsp.asm')
| -rw-r--r-- | libavcodec/x86/ttaencdsp.asm | 119 |
1 files changed, 119 insertions, 0 deletions
diff --git a/libavcodec/x86/ttaencdsp.asm b/libavcodec/x86/ttaencdsp.asm new file mode 100644 index 0000000000..c9cbd49874 --- /dev/null +++ b/libavcodec/x86/ttaencdsp.asm @@ -0,0 +1,119 @@ +;****************************************************************************** +;* TTA Encoder DSP SIMD optimizations +;* +;* Copyright (C) 2014-2016 James Almer +;* +;* 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/x86/x86util.asm" + +SECTION_RODATA + +pd_n0113: dd ~0, ~1, ~1, ~3 +pd_1224: dd 1, 2, 2, 4 + +SECTION .text + +%macro TTAENC_FILTER 2 +INIT_XMM %1 +cglobal ttaenc_filter_process, 5,5,%2, qm, dx, dl, error, in, shift, round + mova m2, [qmq ] + mova m3, [qmq + 0x10] + mova m4, [dxq ] + mova m5, [dxq + 0x10] + + movd m6, [errorq] ; if (filter->error < 0) { + SPLATD m6 ; for (int i = 0; i < 8; i++) + psignd m0, m4, m6 ; filter->qm[i] -= filter->dx[i]; + psignd m1, m5, m6 ; } else if (filter->error > 0) { + paddd m2, m0 ; for (int i = 0; i < 8; i++) + paddd m3, m1 ; filter->qm[i] += filter->dx[i]; + mova [qmq ], m2 ; } + mova [qmq + 0x10], m3 ; + + mova m0, [dlq ] + mova m1, [dlq + 0x10] + +%if cpuflag(sse4) + pmulld m2, m0 + pmulld m3, m1 +%else + pshufd m6, m0, 0xb1 + pshufd m7, m2, 0xb1 + pmuludq m6, m7 + pshufd m6, m6, 0xd8 + pmuludq m2, m0 + pshufd m2, m2, 0xd8 + punpckldq m2, m6 + + pshufd m6, m1, 0xb1 + pshufd m7, m3, 0xb1 + pmuludq m6, m7 + pshufd m6, m6, 0xd8 + pmuludq m3, m1 + pshufd m3, m3, 0xd8 + punpckldq m3, m6 +%endif + ; Using horizontal add (phaddd) seems to be slower than shuffling stuff around + paddd m2, m3 ; int sum = filter->round + + ; filter->dl[0] * filter->qm[0] + + pshufd m3, m2, 0xe ; filter->dl[1] * filter->qm[1] + + paddd m2, m3 ; filter->dl[2] * filter->qm[2] + + ; filter->dl[3] * filter->qm[3] + + movd m6, roundm ; filter->dl[4] * filter->qm[4] + + paddd m6, m2 ; filter->dl[5] * filter->qm[5] + + pshufd m2, m2, 0x1 ; filter->dl[6] * filter->qm[6] + + paddd m6, m2 ; filter->dl[7] * filter->qm[7]; + + palignr m5, m4, 4 ; filter->dx[0] = filter->dx[1]; filter->dx[1] = filter->dx[2]; + ; filter->dx[2] = filter->dx[3]; filter->dx[3] = filter->dx[4]; + + palignr m2, m1, m0, 4 ; filter->dl[0] = filter->dl[1]; filter->dl[1] = filter->dl[2]; + ; filter->dl[2] = filter->dl[3]; filter->dl[3] = filter->dl[4]; + + psrad m4, m1, 30 ; filter->dx[4] = ((filter->dl[4] >> 30) | 1); + por m4, [pd_1224 ] ; filter->dx[5] = ((filter->dl[5] >> 30) | 2) & ~1; + pand m4, [pd_n0113] ; filter->dx[6] = ((filter->dl[6] >> 30) | 2) & ~1; + ; filter->dx[7] = ((filter->dl[7] >> 30) | 4) & ~3; + + mova [dlq ], m2 + mova [dxq ], m5 + mova [dxq + 0x10], m4 + + movd m2, shiftm ; + movd m0, [inq] ; + psrad m6, m2 ; + psubd m3, m0, m6 ; + movd [inq], m3 ; *in -= (sum >> filter->shift); + movd [errorq], m3 ; filter->error = *in; + + psrldq m1, 4 ; + pslldq m0, 12 ; filter->dl[4] = -filter->dl[5]; + pshufd m0, m0, 0xf0 ; filter->dl[5] = -filter->dl[6]; + psubd m0, m1 ; filter->dl[6] = *in - filter->dl[7]; + psrldq m1, m0, 4 ; filter->dl[7] = *in; + pshufd m1, m1, 0xf4 ; filter->dl[5] += filter->dl[6]; + paddd m0, m1 ; filter->dl[4] += filter->dl[5]; + psrldq m1, 4 ; + paddd m0, m1 ; + mova [dlq + 0x10], m0 ; + RET +%endmacro + +TTAENC_FILTER ssse3, 8 +TTAENC_FILTER sse4, 7 |