diff options
Diffstat (limited to 'libavcodec/x86/fft.asm')
| -rw-r--r-- | libavcodec/x86/fft.asm | 28 |
1 files changed, 19 insertions, 9 deletions
diff --git a/libavcodec/x86/fft.asm b/libavcodec/x86/fft.asm index e4744a3..f233774 100644 --- a/libavcodec/x86/fft.asm +++ b/libavcodec/x86/fft.asm @@ -6,20 +6,20 @@ ;* This algorithm (though not any of the implementation details) is ;* based on libdjbfft by D. J. Bernstein. ;* -;* This file is part of Libav. +;* This file is part of FFmpeg. ;* -;* Libav is free software; you can redistribute it and/or +;* 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. ;* -;* Libav is distributed in the hope that it will be useful, +;* 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 Libav; if not, write to the Free Software +;* License along with FFmpeg; if not, write to the Free Software ;* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA ;****************************************************************************** @@ -51,13 +51,12 @@ struc FFTContext .imdcthalf:pointer 1 endstruc -SECTION_RODATA +SECTION_RODATA 32 %define M_SQRT1_2 0.70710678118654752440 %define M_COS_PI_1_8 0.923879532511287 %define M_COS_PI_3_8 0.38268343236509 -align 32 ps_cos16_1: dd 1.0, M_COS_PI_1_8, M_SQRT1_2, M_COS_PI_3_8, 1.0, M_COS_PI_1_8, M_SQRT1_2, M_COS_PI_3_8 ps_cos16_2: dd 0, M_COS_PI_3_8, M_SQRT1_2, M_COS_PI_1_8, 0, -M_COS_PI_3_8, -M_SQRT1_2, -M_COS_PI_1_8 @@ -69,9 +68,10 @@ perm1: dd 0x00, 0x02, 0x03, 0x01, 0x03, 0x00, 0x02, 0x01 perm2: dd 0x00, 0x01, 0x02, 0x03, 0x01, 0x00, 0x02, 0x03 ps_p1p1m1p1root2: dd 1.0, 1.0, -1.0, 1.0, M_SQRT1_2, M_SQRT1_2, M_SQRT1_2, M_SQRT1_2 ps_m1m1p1m1p1m1m1m1: dd 1<<31, 1<<31, 0, 1<<31, 0, 1<<31, 1<<31, 1<<31 -ps_m1m1m1m1: times 4 dd 1<<31 ps_m1p1: dd 1<<31, 0 +cextern ps_neg + %assign i 16 %rep 13 cextern cos_ %+ i @@ -305,6 +305,7 @@ IF%1 mova Z(1), m5 INIT_YMM avx +%if HAVE_AVX_EXTERNAL align 16 fft8_avx: mova m0, Z(0) @@ -394,6 +395,8 @@ fft32_interleave_avx: jg .deint_loop ret +%endif + INIT_XMM sse align 16 @@ -537,6 +540,7 @@ DEFINE_ARGS zc, w, n, o1, o3 INIT_YMM avx +%if HAVE_AVX_EXTERNAL %macro INTERL_AVX 5 vunpckhps %3, %2, %1 vunpcklps %2, %2, %1 @@ -558,6 +562,7 @@ cglobal fft_calc, 2,5,8 FFT_DISPATCH _interleave %+ SUFFIX, r1 REP_RET +%endif INIT_XMM sse @@ -681,7 +686,7 @@ cglobal imdct_calc, 3,5,3 mov r2, r3 sub r3, mmsize neg r2 - mova m2, [ps_m1m1m1m1] + mova m2, [ps_neg] .loop: %if mmsize == 8 PSWAPD m0, [r1 + r3] @@ -776,9 +781,11 @@ align 8 dispatch_tab %+ fullsuffix: pointer list_of_fft %endmacro ; DECL_FFT +%if HAVE_AVX_EXTERNAL INIT_YMM avx DECL_FFT 6 DECL_FFT 6, _interleave +%endif INIT_XMM sse DECL_FFT 5 DECL_FFT 5, _interleave @@ -992,7 +999,7 @@ cglobal imdct_half, 3,12,8; FFTContext *s, FFTSample *output, const FFTSample *i sub r4, r3 %endif %if notcpuflag(3dnowext) && mmsize == 8 - movd m7, [ps_m1m1m1m1] + movd m7, [ps_neg] %endif .pre: %if ARCH_X86_64 == 0 @@ -1080,4 +1087,7 @@ DECL_IMDCT POSROTATESHUF_3DNOW %endif INIT_YMM avx + +%if HAVE_AVX_EXTERNAL DECL_IMDCT POSROTATESHUF_AVX +%endif |
