;* FLAC DSP SIMD optimizations
;*
;* Copyright (C) 2014 Loren Merritt
+;* Copyright (C) 2014 James Almer
;*
;* This file is part of FFmpeg.
;*
LPC_32 xop
%endif
LPC_32 sse4
+
+;----------------------------------------------------------------------------------
+;void ff_flac_decorrelate_[lrm]s_16_sse2(uint8_t **out, int32_t **in, int channels,
+; int len, int shift);
+;----------------------------------------------------------------------------------
+%macro FLAC_DECORRELATE_16 3-4
+cglobal flac_decorrelate_%1_16, 2, 4, 4, out, in0, in1, len
+%if ARCH_X86_32 || WIN64
+ movd m3, r4m
+%if ARCH_X86_32
+ mov lend, lenm
+%endif
+%else ; UNIX64
+ movd m3, r4d
+%endif
+ shl lend, 2
+ mov in1q, [in0q + gprsize]
+ mov in0q, [in0q]
+ mov outq, [outq]
+ add in1q, lenq
+ add in0q, lenq
+ add outq, lenq
+ neg lenq
+
+align 16
+.loop:
+ mova m0, [in0q + lenq]
+ mova m1, [in1q + lenq]
+%ifidn %1, ms
+ psrad m2, m1, 1
+ psubd m0, m2
+%endif
+%ifnidn %1, indep2
+ p%4d m2, m0, m1
+%endif
+ packssdw m%2, m%2
+ packssdw m%3, m%3
+ punpcklwd m%2, m%3
+ psllw m%2, m3
+ mova [outq + lenq], m%2
+ add lenq, 16
+ jl .loop
+ REP_RET
+%endmacro
+
+INIT_XMM sse2
+FLAC_DECORRELATE_16 ls, 0, 2, sub
+FLAC_DECORRELATE_16 rs, 2, 1, add
+FLAC_DECORRELATE_16 ms, 2, 0, add
+
+;----------------------------------------------------------------------------------
+;void ff_flac_decorrelate_[lrm]s_32_sse2(uint8_t **out, int32_t **in, int channels,
+; int len, int shift);
+;----------------------------------------------------------------------------------
+%macro FLAC_DECORRELATE_32 5
+cglobal flac_decorrelate_%1_32, 2, 4, 4, out, in0, in1, len
+%if ARCH_X86_32 || WIN64
+ movd m3, r4m
+%if ARCH_X86_32
+ mov lend, lenm
+%endif
+%else ; UNIX64
+ movd m3, r4d
+%endif
+ mov in1q, [in0q + gprsize]
+ mov in0q, [in0q]
+ mov outq, [outq]
+ sub in1q, in0q
+
+align 16
+.loop:
+ mova m0, [in0q]
+ mova m1, [in0q + in1q]
+%ifidn %1, ms
+ psrad m2, m1, 1
+ psubd m0, m2
+%endif
+ p%5d m2, m0, m1
+ pslld m%2, m3
+ pslld m%3, m3
+
+ SBUTTERFLY dq, %2, %3, %4
+
+ mova [outq ], m%2
+ mova [outq + mmsize], m%3
+
+ add in0q, mmsize
+ add outq, mmsize*2
+ sub lend, mmsize/4
+ jg .loop
+ REP_RET
+%endmacro
+
+INIT_XMM sse2
+FLAC_DECORRELATE_32 ls, 0, 2, 1, sub
+FLAC_DECORRELATE_32 rs, 2, 1, 0, add
+FLAC_DECORRELATE_32 ms, 2, 0, 1, add
+
+;-----------------------------------------------------------------------------------------
+;void ff_flac_decorrelate_indep<ch>_<bps>_<opt>(uint8_t **out, int32_t **in, int channels,
+; int len, int shift);
+;-----------------------------------------------------------------------------------------
+%macro TRANSPOSE8x4D 9
+ SBUTTERFLY dq, %1, %2, %9
+ SBUTTERFLY dq, %3, %4, %9
+ SBUTTERFLY dq, %5, %6, %9
+ SBUTTERFLY dq, %7, %8, %9
+ SBUTTERFLY qdq, %1, %3, %9
+ SBUTTERFLY qdq, %2, %4, %9
+ SBUTTERFLY qdq, %5, %7, %9
+ SBUTTERFLY qdq, %6, %8, %9
+ SWAP %2, %5
+ SWAP %4, %7
+%endmacro
+
+;%1 = bps
+;%2 = channels
+;%3 = last xmm reg used
+;%4 = word/dword (shift instruction)
+%macro FLAC_DECORRELATE_INDEP 4
+%define REPCOUNT %2/(32/%1) ; 16bits = channels / 2; 32bits = channels
+cglobal flac_decorrelate_indep%2_%1, 2, %2+2, %3+1, out, in0, in1, len, in2, in3, in4, in5, in6, in7
+%if ARCH_X86_32
+ movd m%3, r4m
+%if %2 == 6
+ DEFINE_ARGS out, in0, in1, in2, in3, in4, in5
+ %define lend dword r3m
+%else
+ mov lend, lenm
+%endif
+%elif WIN64
+ movd m%3, r4m
+%else ; UNIX64
+ movd m%3, r4d
+%endif
+
+%assign %%i 1
+%rep %2-1
+ mov in %+ %%i %+ q, [in0q+%%i*gprsize]
+%assign %%i %%i+1
+%endrep
+
+ mov in0q, [in0q]
+ mov outq, [outq]
+
+%assign %%i 1
+%rep %2-1
+ sub in %+ %%i %+ q, in0q
+%assign %%i %%i+1
+%endrep
+
+align 16
+.loop:
+ mova m0, [in0q]
+
+%assign %%i 1
+%rep REPCOUNT-1
+ mova m %+ %%i, [in0q + in %+ %%i %+ q]
+%assign %%i %%i+1
+%endrep
+
+%if %1 == 32
+
+%if %2 == 8
+ TRANSPOSE8x4D 0, 1, 2, 3, 4, 5, 6, 7, 8
+%elif %2 == 6
+ SBUTTERFLY dq, 0, 1, 6
+ SBUTTERFLY dq, 2, 3, 6
+ SBUTTERFLY dq, 4, 5, 6
+
+ punpcklqdq m6, m0, m2
+ punpckhqdq m2, m4
+ shufps m4, m0, 0xe4
+ punpcklqdq m0, m1, m3
+ punpckhqdq m3, m5
+ shufps m5, m1, 0xe4
+ SWAP 0,6,1,4,5,3
+%elif %2 == 4
+ TRANSPOSE4x4D 0, 1, 2, 3, 4
+%else ; %2 == 2
+ SBUTTERFLY dq, 0, 1, 2
+%endif
+
+%else ; %1 == 16
+
+%if %2 == 8
+ packssdw m0, [in0q + in4q]
+ packssdw m1, [in0q + in5q]
+ packssdw m2, [in0q + in6q]
+ packssdw m3, [in0q + in7q]
+ TRANSPOSE2x4x4W 0, 1, 2, 3, 4
+%elif %2 == 6
+ packssdw m0, [in0q + in3q]
+ packssdw m1, [in0q + in4q]
+ packssdw m2, [in0q + in5q]
+ pshufd m3, m0, q1032
+ punpcklwd m0, m1
+ punpckhwd m1, m2
+ punpcklwd m2, m3
+
+ shufps m3, m0, m2, q2020
+ shufps m0, m1, q2031
+ shufps m2, m1, q3131
+ shufps m1, m2, m3, q3120
+ shufps m3, m0, q0220
+ shufps m0, m2, q3113
+ SWAP 2, 0, 3
+%else ; %2 == 4
+ packssdw m0, [in0q + in2q]
+ packssdw m1, [in0q + in3q]
+ SBUTTERFLY wd, 0, 1, 2
+ SBUTTERFLY dq, 0, 1, 2
+%endif
+
+%endif
+
+%assign %%i 0
+%rep REPCOUNT
+ psll%4 m %+ %%i, m%3
+%assign %%i %%i+1
+%endrep
+
+%assign %%i 0
+%rep REPCOUNT
+ mova [outq + %%i*mmsize], m %+ %%i
+%assign %%i %%i+1
+%endrep
+
+ add in0q, mmsize
+ add outq, mmsize*REPCOUNT
+ sub lend, mmsize/4
+ jg .loop
+ REP_RET
+%endmacro
+
+INIT_XMM sse2
+FLAC_DECORRELATE_16 indep2, 0, 1 ; Reuse stereo 16bits macro
+FLAC_DECORRELATE_INDEP 32, 2, 3, d
+FLAC_DECORRELATE_INDEP 16, 4, 3, w
+FLAC_DECORRELATE_INDEP 32, 4, 5, d
+FLAC_DECORRELATE_INDEP 16, 6, 4, w
+FLAC_DECORRELATE_INDEP 32, 6, 7, d
+%if ARCH_X86_64
+FLAC_DECORRELATE_INDEP 16, 8, 5, w
+FLAC_DECORRELATE_INDEP 32, 8, 9, d
+%endif
+
+INIT_XMM avx
+FLAC_DECORRELATE_INDEP 32, 4, 5, d
+FLAC_DECORRELATE_INDEP 32, 6, 7, d
+%if ARCH_X86_64
+FLAC_DECORRELATE_INDEP 16, 8, 5, w
+FLAC_DECORRELATE_INDEP 32, 8, 9, d
+%endif
repositories / deb_ffmpeg.git / blobdiff