diff options
Diffstat (limited to 'ac3dec/downmix_kni.S')
| -rw-r--r-- | ac3dec/downmix_kni.S | 396 |
1 files changed, 0 insertions, 396 deletions
diff --git a/ac3dec/downmix_kni.S b/ac3dec/downmix_kni.S deleted file mode 100644 index 7df8c06..0000000 --- a/ac3dec/downmix_kni.S +++ /dev/null @@ -1,396 +0,0 @@ -/* - * downmix_kni.S - * - * Copyright (C) Yuqing Deng <Yuqing_Deng@brown.edu> - October 2000 - * - * - * downmix_kni.S is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2, or (at your option) - * any later version. - * - * downmix_kni.S 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 General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with GNU Make; see the file COPYING. If not, write to - * the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. - * - */ - -#ifdef __i386__ - -.section .rodata - .align 4 -sqrt2: .float 0f0.7071068 - .p2align 5,0, - - .section .text - - .align 4 - .global downmix_3f_2r_to_2ch_kni - .type downmix_3f_2r_to_2ch_kni, @function - -downmix_3f_2r_to_2ch_kni: - pushl %ebp - movl %esp, %ebp - - pushl %eax - pushl %ebx - pushl %ecx - - movl 8(%ebp), %eax /* samples[] */ - movl 12(%ebp), %ebx /* &dm_par */ - movl $64, %ecx /* loop counter */ - - movss (%ebx), %xmm5 /* unit */ - shufps $0, %xmm5, %xmm5 /* unit | unit | unit | unit */ - - movss 4(%ebx), %xmm6 /* clev */ - shufps $0, %xmm6, %xmm6 /* clev | clev | clev | clev */ - - movss 8(%ebx), %xmm7 /* slev */ - shufps $0, %xmm7, %xmm7 /* slev | slev | slev | slev */ - -.loop: - movaps (%eax), %xmm0 /* left */ - movaps 2048(%eax), %xmm1 /* right */ - movaps 1024(%eax), %xmm2 /* center */ - mulps %xmm5, %xmm0 - mulps %xmm5, %xmm1 - - mulps %xmm6, %xmm2 - movaps 3072(%eax), %xmm3 /* leftsur */ - movaps 4096(%eax), %xmm4 /* rithgsur */ - addps %xmm2, %xmm0 - addps %xmm2, %xmm1 - - mulps %xmm7, %xmm3 - mulps %xmm7, %xmm4 - addps %xmm3, %xmm0 - addps %xmm4, %xmm1 - - movaps %xmm0, (%eax) - movaps %xmm1, 1024(%eax) - - addl $16, %eax - decl %ecx - jnz .loop - - popl %ecx - popl %ebx - popl %eax - - leave - ret - .p2align 4,,7 - - .global downmix_2f_2r_to_2ch_kni - .type downmix_2f_2r_to_2ch_kni, @function - -downmix_2f_2r_to_2ch_kni: - pushl %ebp - movl %esp, %ebp - - pushl %eax - pushl %ebx - pushl %ecx - - movl 8(%ebp), %eax /* samples[] */ - movl 12(%ebp), %ebx /* &dm_par */ - movl $64, %ecx /* loop counter */ - - movss (%ebx), %xmm5 /* unit */ - shufps $0, %xmm5, %xmm5 /* unit | unit | unit | unit */ - - movss 8(%ebx), %xmm7 /* slev */ - shufps $0, %xmm7, %xmm7 /* slev | slev | slev | slev */ - -.loop3: - movaps (%eax), %xmm0 /* left */ - movaps 1024(%eax), %xmm1 /* right */ - movaps 2048(%eax), %xmm3 /* leftsur */ - mulps %xmm5, %xmm0 - mulps %xmm5, %xmm1 - - movaps 3072(%eax), %xmm4 /* rightsur */ - - mulps %xmm7, %xmm3 - mulps %xmm7, %xmm4 - addps %xmm3, %xmm0 - addps %xmm4, %xmm1 - - movaps %xmm0, (%eax) - movaps %xmm1, 1024(%eax) - - addl $16, %eax - decl %ecx - jnz .loop3 - - popl %ecx - popl %ebx - popl %eax - - leave - ret - .p2align 4,,7 - - .global downmix_3f_1r_to_2ch_kni - .type downmix_3f_1r_to_2ch_kni, @function - -downmix_3f_1r_to_2ch_kni: - pushl %ebp - movl %esp, %ebp - - pushl %eax - pushl %ebx - pushl %ecx - - movl 8(%ebp), %eax /* samples[] */ - movl 12(%ebp), %ebx /* &dm_par */ - movl $64, %ecx /* loop counter */ - - movss (%ebx), %xmm5 /* unit */ - shufps $0, %xmm5, %xmm5 /* unit | unit | unit | unit */ - - movss 4(%ebx), %xmm6 /* clev */ - shufps $0, %xmm6, %xmm6 /* clev | clev | clev | clev */ - - movss 8(%ebx), %xmm7 /* slev */ - shufps $0, %xmm7, %xmm7 /* slev | slev | slev | slev */ - -.loop4: - movaps (%eax), %xmm0 /* left */ - movaps 2048(%eax), %xmm1 /* right */ - movaps 1024(%eax), %xmm2 /* center */ - mulps %xmm5, %xmm0 - mulps %xmm5, %xmm1 - - mulps %xmm6, %xmm2 - movaps 3072(%eax), %xmm3 /* sur */ - - addps %xmm2, %xmm0 - mulps %xmm7, %xmm3 - - addps %xmm2, %xmm1 - - subps %xmm3, %xmm0 - addps %xmm3, %xmm1 - - movaps %xmm0, (%eax) - movaps %xmm1, 1024(%eax) - - addl $16, %eax - decl %ecx - jnz .loop4 - - popl %ecx - popl %ebx - popl %eax - - leave - ret - .p2align 4,,7 - - .global downmix_2f_1r_to_2ch_kni - .type downmix_2f_1r_to_2ch_kni, @function - -downmix_2f_1r_to_2ch_kni: - pushl %ebp - movl %esp, %ebp - - pushl %eax - pushl %ebx - pushl %ecx - - movl 8(%ebp), %eax /* samples[] */ - movl 12(%ebp), %ebx /* &dm_par */ - movl $64, %ecx /* loop counter */ - - movss (%ebx), %xmm5 /* unit */ - shufps $0, %xmm5, %xmm5 /* unit | unit | unit | unit */ - - movss 8(%ebx), %xmm7 /* slev */ - shufps $0, %xmm7, %xmm7 /* slev | slev | slev | slev */ - -.loop5: - movaps (%eax), %xmm0 /* left */ - movaps 1024(%eax), %xmm1 /* right */ - - mulps %xmm5, %xmm0 - mulps %xmm5, %xmm1 - - movaps 2048(%eax), %xmm3 /* sur */ - - mulps %xmm7, %xmm3 - - subps %xmm3, %xmm0 - addps %xmm3, %xmm1 - - movaps %xmm0, (%eax) - movaps %xmm1, 1024(%eax) - - addl $16, %eax - decl %ecx - jnz .loop5 - - popl %ecx - popl %ebx - popl %eax - - leave - ret - .p2align 4,,7 - - .global downmix_3f_0r_to_2ch_kni - .type downmix_3f_0r_to_2ch_kni, @function - -downmix_3f_0r_to_2ch_kni: - pushl %ebp - movl %esp, %ebp - - pushl %eax - pushl %ebx - pushl %ecx - - movl 8(%ebp), %eax /* samples[] */ - movl 12(%ebp), %ebx /* &dm_par */ - movl $64, %ecx /* loop counter */ - - movss (%ebx), %xmm5 /* unit */ - shufps $0, %xmm5, %xmm5 /* unit | unit | unit | unit */ - - movss 4(%ebx), %xmm6 /* clev */ - shufps $0, %xmm6, %xmm6 /* clev | clev | clev | clev */ - - -.loop6: - movaps (%eax), %xmm0 /* left */ - movaps 2048(%eax), %xmm1 /* right */ - movaps 1024(%eax), %xmm2 /* center */ - mulps %xmm5, %xmm0 - mulps %xmm5, %xmm1 - - mulps %xmm6, %xmm2 - - addps %xmm2, %xmm0 - - addps %xmm2, %xmm1 - - movaps %xmm0, (%eax) - movaps %xmm1, 1024(%eax) - - addl $16, %eax - decl %ecx - jnz .loop6 - - popl %ecx - popl %ebx - popl %eax - - leave - ret - .p2align 4,,7 - - .global stream_sample_2ch_to_s16_kni - .type stream_sample_2ch_to_s16_kni, @function - -stream_sample_2ch_to_s16_kni: - pushl %ebp - movl %esp, %ebp - - pushl %eax - pushl %ebx - pushl %edx - pushl %ecx - - movl 8(%ebp), %eax /* s16_samples */ - movl 12(%ebp), %ebx /* left */ - movl 16(%ebp), %edx /* right */ - movl $64, %ecx - -.loop1: - movaps (%ebx), %xmm0 /* l3 | l2 | l1 | l0 */ - movaps (%edx), %xmm1 /* r3 | r2 | r1 | r0 */ - movhlps %xmm0, %xmm2 /* l3 | l2 */ - movhlps %xmm1, %xmm3 /* r3 | r2 */ - unpcklps %xmm1, %xmm0 /* r1 | l1 | r0 | l0 */ - unpcklps %xmm3, %xmm2 /* r3 | l3 | r2 | l2 */ - - cvtps2pi %xmm0, %mm0 /* r0 l0 --> mm0, int_32 */ - movhlps %xmm0, %xmm0 - cvtps2pi %xmm0, %mm1 /* r1 l1 --> mm1, int_32 */ - - cvtps2pi %xmm2, %mm2 /* r2 l2 --> mm2, int_32 */ - movhlps %xmm2, %xmm2 - cvtps2pi %xmm2, %mm3 /* r3 l3 --> mm3, int_32 */ - packssdw %mm1, %mm0 /* r1 l1 r0 l0 --> mm0, int_16 */ - packssdw %mm3, %mm2 /* r3 l3 r2 l2 --> mm2, int_16 */ - - movq %mm0, (%eax) - movq %mm2, 8(%eax) - addl $16, %eax - addl $16, %ebx - addl $16, %edx - - decl %ecx - jnz .loop1 - - popl %ecx - popl %edx - popl %ebx - popl %eax - - emms - - leave - ret - .p2align 4,,7 - - .global stream_sample_1ch_to_s16_kni - .type stream_sample_1ch_to_s16_kni, @function - -stream_sample_1ch_to_s16_kni: - pushl %ebp - movl %esp, %ebp - - pushl %eax - pushl %ebx - pushl %ecx - - movl $sqrt2, %eax - movss (%eax), %xmm7 - movl 8(%ebp), %eax /* s16_samples */ - movl 12(%ebp), %ebx /* left */ - shufps $0, %xmm7, %xmm7 - movl $64, %ecx - -.loop2: - movaps (%ebx), %xmm0 /* c3 | c2 | c1 | c0 */ - mulps %xmm7, %xmm0 - movhlps %xmm0, %xmm2 /* c3 | c2 */ - - cvtps2pi %xmm0, %mm0 /* c1 c0 --> mm0, int_32 */ - cvtps2pi %xmm2, %mm1 /* c3 c2 --> mm1, int_32 */ - - packssdw %mm0, %mm0 /* c1 c1 c0 c0 --> mm0, int_16 */ - packssdw %mm1, %mm1 /* c3 c3 c2 c2 --> mm1, int_16 */ - - movq %mm0, (%eax) - movq %mm1, 8(%eax) - addl $16, %eax - addl $16, %ebx - - decl %ecx - jnz .loop2 - - popl %ecx - popl %ebx - popl %eax - - emms - leave - ret -#endif |