mirror of
https://github.com/FFmpeg/FFmpeg.git
synced 2024-12-28 20:53:54 +02:00
e37f161e66
* qatar/master: (71 commits) movenc: Allow writing to a non-seekable output if using empty moov movenc: Support adding isml (smooth streaming live) metadata libavcodec: Don't crash in avcodec_encode_audio if time_base isn't set sunrast: Document the different Sun Raster file format types. sunrast: Add a check for experimental type. libspeexenc: use AVSampleFormat instead of deprecated/removed SampleFormat lavf: remove disabled FF_API_SET_PTS_INFO cruft lavf: remove disabled FF_API_OLD_INTERRUPT_CB cruft lavf: remove disabled FF_API_REORDER_PRIVATE cruft lavf: remove disabled FF_API_SEEK_PUBLIC cruft lavf: remove disabled FF_API_STREAM_COPY cruft lavf: remove disabled FF_API_PRELOAD cruft lavf: remove disabled FF_API_NEW_STREAM cruft lavf: remove disabled FF_API_RTSP_URL_OPTIONS cruft lavf: remove disabled FF_API_MUXRATE cruft lavf: remove disabled FF_API_FILESIZE cruft lavf: remove disabled FF_API_TIMESTAMP cruft lavf: remove disabled FF_API_LOOP_OUTPUT cruft lavf: remove disabled FF_API_LOOP_INPUT cruft lavf: remove disabled FF_API_AVSTREAM_QUALITY cruft ... Conflicts: doc/APIchanges libavcodec/8bps.c libavcodec/avcodec.h libavcodec/libx264.c libavcodec/mjpegbdec.c libavcodec/options.c libavcodec/sunrast.c libavcodec/utils.c libavcodec/version.h libavcodec/x86/h264_deblock.asm libavdevice/libdc1394.c libavdevice/v4l2.c libavformat/avformat.h libavformat/avio.c libavformat/avio.h libavformat/aviobuf.c libavformat/dv.c libavformat/mov.c libavformat/utils.c libavformat/version.h libavformat/wtv.c libavutil/Makefile libavutil/file.c libswscale/x86/input.asm libswscale/x86/swscale_mmx.c libswscale/x86/swscale_template.c tests/ref/lavf/ffm Merged-by: Michael Niedermayer <michaelni@gmx.at>
451 lines
12 KiB
NASM
451 lines
12 KiB
NASM
;*****************************************************************************
|
|
;* x86-optimized AC-3 DSP utils
|
|
;* Copyright (c) 2011 Justin Ruggles
|
|
;*
|
|
;* 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/x86inc.asm"
|
|
%include "libavutil/x86/x86util.asm"
|
|
|
|
SECTION_RODATA
|
|
|
|
; 16777216.0f - used in ff_float_to_fixed24()
|
|
pf_1_24: times 4 dd 0x4B800000
|
|
|
|
; used in ff_ac3_compute_mantissa_size()
|
|
cextern ac3_bap_bits
|
|
pw_bap_mul1: dw 21846, 21846, 0, 32768, 21846, 21846, 0, 32768
|
|
pw_bap_mul2: dw 5, 7, 0, 7, 5, 7, 0, 7
|
|
|
|
; used in ff_ac3_extract_exponents()
|
|
pd_1: times 4 dd 1
|
|
pd_151: times 4 dd 151
|
|
pb_shuf_4dwb: db 0, 4, 8, 12
|
|
|
|
SECTION .text
|
|
|
|
;-----------------------------------------------------------------------------
|
|
; void ff_ac3_exponent_min(uint8_t *exp, int num_reuse_blocks, int nb_coefs)
|
|
;-----------------------------------------------------------------------------
|
|
|
|
%macro AC3_EXPONENT_MIN 1
|
|
cglobal ac3_exponent_min_%1, 3,4,2, exp, reuse_blks, expn, offset
|
|
shl reuse_blksq, 8
|
|
jz .end
|
|
LOOP_ALIGN
|
|
.nextexp:
|
|
mov offsetq, reuse_blksq
|
|
mova m0, [expq+offsetq]
|
|
sub offsetq, 256
|
|
LOOP_ALIGN
|
|
.nextblk:
|
|
PMINUB m0, [expq+offsetq], m1
|
|
sub offsetq, 256
|
|
jae .nextblk
|
|
mova [expq], m0
|
|
add expq, mmsize
|
|
sub expnq, mmsize
|
|
jg .nextexp
|
|
.end:
|
|
REP_RET
|
|
%endmacro
|
|
|
|
%define PMINUB PMINUB_MMX
|
|
%define LOOP_ALIGN
|
|
INIT_MMX
|
|
AC3_EXPONENT_MIN mmx
|
|
%if HAVE_MMX2
|
|
%define PMINUB PMINUB_MMXEXT
|
|
%define LOOP_ALIGN ALIGN 16
|
|
AC3_EXPONENT_MIN mmxext
|
|
%endif
|
|
%if HAVE_SSE
|
|
INIT_XMM
|
|
AC3_EXPONENT_MIN sse2
|
|
%endif
|
|
%undef PMINUB
|
|
%undef LOOP_ALIGN
|
|
|
|
;-----------------------------------------------------------------------------
|
|
; int ff_ac3_max_msb_abs_int16(const int16_t *src, int len)
|
|
;
|
|
; This function uses 2 different methods to calculate a valid result.
|
|
; 1) logical 'or' of abs of each element
|
|
; This is used for ssse3 because of the pabsw instruction.
|
|
; It is also used for mmx because of the lack of min/max instructions.
|
|
; 2) calculate min/max for the array, then or(abs(min),abs(max))
|
|
; This is used for mmxext and sse2 because they have pminsw/pmaxsw.
|
|
;-----------------------------------------------------------------------------
|
|
|
|
%macro AC3_MAX_MSB_ABS_INT16 2
|
|
cglobal ac3_max_msb_abs_int16_%1, 2,2,5, src, len
|
|
pxor m2, m2
|
|
pxor m3, m3
|
|
.loop:
|
|
%ifidn %2, min_max
|
|
mova m0, [srcq]
|
|
mova m1, [srcq+mmsize]
|
|
pminsw m2, m0
|
|
pminsw m2, m1
|
|
pmaxsw m3, m0
|
|
pmaxsw m3, m1
|
|
%else ; or_abs
|
|
%ifidn %1, mmx
|
|
mova m0, [srcq]
|
|
mova m1, [srcq+mmsize]
|
|
ABS2 m0, m1, m3, m4
|
|
%else ; ssse3
|
|
; using memory args is faster for ssse3
|
|
pabsw m0, [srcq]
|
|
pabsw m1, [srcq+mmsize]
|
|
%endif
|
|
por m2, m0
|
|
por m2, m1
|
|
%endif
|
|
add srcq, mmsize*2
|
|
sub lend, mmsize
|
|
ja .loop
|
|
%ifidn %2, min_max
|
|
ABS2 m2, m3, m0, m1
|
|
por m2, m3
|
|
%endif
|
|
%ifidn mmsize, 16
|
|
movhlps m0, m2
|
|
por m2, m0
|
|
%endif
|
|
PSHUFLW m0, m2, 0xe
|
|
por m2, m0
|
|
PSHUFLW m0, m2, 0x1
|
|
por m2, m0
|
|
movd eax, m2
|
|
and eax, 0xFFFF
|
|
RET
|
|
%endmacro
|
|
|
|
INIT_MMX
|
|
%define ABS2 ABS2_MMX
|
|
%define PSHUFLW pshufw
|
|
AC3_MAX_MSB_ABS_INT16 mmx, or_abs
|
|
%define ABS2 ABS2_MMX2
|
|
AC3_MAX_MSB_ABS_INT16 mmxext, min_max
|
|
INIT_XMM
|
|
%define PSHUFLW pshuflw
|
|
AC3_MAX_MSB_ABS_INT16 sse2, min_max
|
|
%define ABS2 ABS2_SSSE3
|
|
AC3_MAX_MSB_ABS_INT16 ssse3, or_abs
|
|
|
|
;-----------------------------------------------------------------------------
|
|
; macro used for ff_ac3_lshift_int16() and ff_ac3_rshift_int32()
|
|
;-----------------------------------------------------------------------------
|
|
|
|
%macro AC3_SHIFT 4 ; l/r, 16/32, shift instruction, instruction set
|
|
cglobal ac3_%1shift_int%2_%4, 3,3,5, src, len, shift
|
|
movd m0, shiftd
|
|
.loop:
|
|
mova m1, [srcq ]
|
|
mova m2, [srcq+mmsize ]
|
|
mova m3, [srcq+mmsize*2]
|
|
mova m4, [srcq+mmsize*3]
|
|
%3 m1, m0
|
|
%3 m2, m0
|
|
%3 m3, m0
|
|
%3 m4, m0
|
|
mova [srcq ], m1
|
|
mova [srcq+mmsize ], m2
|
|
mova [srcq+mmsize*2], m3
|
|
mova [srcq+mmsize*3], m4
|
|
add srcq, mmsize*4
|
|
sub lend, mmsize*32/%2
|
|
ja .loop
|
|
.end:
|
|
REP_RET
|
|
%endmacro
|
|
|
|
;-----------------------------------------------------------------------------
|
|
; void ff_ac3_lshift_int16(int16_t *src, unsigned int len, unsigned int shift)
|
|
;-----------------------------------------------------------------------------
|
|
|
|
INIT_MMX
|
|
AC3_SHIFT l, 16, psllw, mmx
|
|
INIT_XMM
|
|
AC3_SHIFT l, 16, psllw, sse2
|
|
|
|
;-----------------------------------------------------------------------------
|
|
; void ff_ac3_rshift_int32(int32_t *src, unsigned int len, unsigned int shift)
|
|
;-----------------------------------------------------------------------------
|
|
|
|
INIT_MMX
|
|
AC3_SHIFT r, 32, psrad, mmx
|
|
INIT_XMM
|
|
AC3_SHIFT r, 32, psrad, sse2
|
|
|
|
;-----------------------------------------------------------------------------
|
|
; void ff_float_to_fixed24(int32_t *dst, const float *src, unsigned int len)
|
|
;-----------------------------------------------------------------------------
|
|
|
|
; The 3DNow! version is not bit-identical because pf2id uses truncation rather
|
|
; than round-to-nearest.
|
|
INIT_MMX
|
|
cglobal float_to_fixed24_3dnow, 3,3,0, dst, src, len
|
|
movq m0, [pf_1_24]
|
|
.loop:
|
|
movq m1, [srcq ]
|
|
movq m2, [srcq+8 ]
|
|
movq m3, [srcq+16]
|
|
movq m4, [srcq+24]
|
|
pfmul m1, m0
|
|
pfmul m2, m0
|
|
pfmul m3, m0
|
|
pfmul m4, m0
|
|
pf2id m1, m1
|
|
pf2id m2, m2
|
|
pf2id m3, m3
|
|
pf2id m4, m4
|
|
movq [dstq ], m1
|
|
movq [dstq+8 ], m2
|
|
movq [dstq+16], m3
|
|
movq [dstq+24], m4
|
|
add srcq, 32
|
|
add dstq, 32
|
|
sub lend, 8
|
|
ja .loop
|
|
REP_RET
|
|
|
|
INIT_XMM
|
|
cglobal float_to_fixed24_sse, 3,3,3, dst, src, len
|
|
movaps m0, [pf_1_24]
|
|
.loop:
|
|
movaps m1, [srcq ]
|
|
movaps m2, [srcq+16]
|
|
mulps m1, m0
|
|
mulps m2, m0
|
|
cvtps2pi mm0, m1
|
|
movhlps m1, m1
|
|
cvtps2pi mm1, m1
|
|
cvtps2pi mm2, m2
|
|
movhlps m2, m2
|
|
cvtps2pi mm3, m2
|
|
movq [dstq ], mm0
|
|
movq [dstq+ 8], mm1
|
|
movq [dstq+16], mm2
|
|
movq [dstq+24], mm3
|
|
add srcq, 32
|
|
add dstq, 32
|
|
sub lend, 8
|
|
ja .loop
|
|
REP_RET
|
|
|
|
INIT_XMM
|
|
cglobal float_to_fixed24_sse2, 3,3,9, dst, src, len
|
|
movaps m0, [pf_1_24]
|
|
.loop:
|
|
movaps m1, [srcq ]
|
|
movaps m2, [srcq+16 ]
|
|
movaps m3, [srcq+32 ]
|
|
movaps m4, [srcq+48 ]
|
|
%ifdef m8
|
|
movaps m5, [srcq+64 ]
|
|
movaps m6, [srcq+80 ]
|
|
movaps m7, [srcq+96 ]
|
|
movaps m8, [srcq+112]
|
|
%endif
|
|
mulps m1, m0
|
|
mulps m2, m0
|
|
mulps m3, m0
|
|
mulps m4, m0
|
|
%ifdef m8
|
|
mulps m5, m0
|
|
mulps m6, m0
|
|
mulps m7, m0
|
|
mulps m8, m0
|
|
%endif
|
|
cvtps2dq m1, m1
|
|
cvtps2dq m2, m2
|
|
cvtps2dq m3, m3
|
|
cvtps2dq m4, m4
|
|
%ifdef m8
|
|
cvtps2dq m5, m5
|
|
cvtps2dq m6, m6
|
|
cvtps2dq m7, m7
|
|
cvtps2dq m8, m8
|
|
%endif
|
|
movdqa [dstq ], m1
|
|
movdqa [dstq+16 ], m2
|
|
movdqa [dstq+32 ], m3
|
|
movdqa [dstq+48 ], m4
|
|
%ifdef m8
|
|
movdqa [dstq+64 ], m5
|
|
movdqa [dstq+80 ], m6
|
|
movdqa [dstq+96 ], m7
|
|
movdqa [dstq+112], m8
|
|
add srcq, 128
|
|
add dstq, 128
|
|
sub lenq, 32
|
|
%else
|
|
add srcq, 64
|
|
add dstq, 64
|
|
sub lenq, 16
|
|
%endif
|
|
ja .loop
|
|
REP_RET
|
|
|
|
;------------------------------------------------------------------------------
|
|
; int ff_ac3_compute_mantissa_size(uint16_t mant_cnt[6][16])
|
|
;------------------------------------------------------------------------------
|
|
|
|
%macro PHADDD4 2 ; xmm src, xmm tmp
|
|
movhlps %2, %1
|
|
paddd %1, %2
|
|
pshufd %2, %1, 0x1
|
|
paddd %1, %2
|
|
%endmacro
|
|
|
|
INIT_XMM
|
|
cglobal ac3_compute_mantissa_size_sse2, 1,2,4, mant_cnt, sum
|
|
movdqa m0, [mant_cntq ]
|
|
movdqa m1, [mant_cntq+ 1*16]
|
|
paddw m0, [mant_cntq+ 2*16]
|
|
paddw m1, [mant_cntq+ 3*16]
|
|
paddw m0, [mant_cntq+ 4*16]
|
|
paddw m1, [mant_cntq+ 5*16]
|
|
paddw m0, [mant_cntq+ 6*16]
|
|
paddw m1, [mant_cntq+ 7*16]
|
|
paddw m0, [mant_cntq+ 8*16]
|
|
paddw m1, [mant_cntq+ 9*16]
|
|
paddw m0, [mant_cntq+10*16]
|
|
paddw m1, [mant_cntq+11*16]
|
|
pmaddwd m0, [ac3_bap_bits ]
|
|
pmaddwd m1, [ac3_bap_bits+16]
|
|
paddd m0, m1
|
|
PHADDD4 m0, m1
|
|
movd sumd, m0
|
|
movdqa m3, [pw_bap_mul1]
|
|
movhpd m0, [mant_cntq +2]
|
|
movlpd m0, [mant_cntq+1*32+2]
|
|
movhpd m1, [mant_cntq+2*32+2]
|
|
movlpd m1, [mant_cntq+3*32+2]
|
|
movhpd m2, [mant_cntq+4*32+2]
|
|
movlpd m2, [mant_cntq+5*32+2]
|
|
pmulhuw m0, m3
|
|
pmulhuw m1, m3
|
|
pmulhuw m2, m3
|
|
paddusw m0, m1
|
|
paddusw m0, m2
|
|
pmaddwd m0, [pw_bap_mul2]
|
|
PHADDD4 m0, m1
|
|
movd eax, m0
|
|
add eax, sumd
|
|
RET
|
|
|
|
;------------------------------------------------------------------------------
|
|
; void ff_ac3_extract_exponents(uint8_t *exp, int32_t *coef, int nb_coefs)
|
|
;------------------------------------------------------------------------------
|
|
|
|
%macro PABSD_MMX 2 ; src/dst, tmp
|
|
pxor %2, %2
|
|
pcmpgtd %2, %1
|
|
pxor %1, %2
|
|
psubd %1, %2
|
|
%endmacro
|
|
|
|
%macro PABSD_SSSE3 1-2 ; src/dst, unused
|
|
pabsd %1, %1
|
|
%endmacro
|
|
|
|
%if HAVE_AMD3DNOW
|
|
INIT_MMX
|
|
cglobal ac3_extract_exponents_3dnow, 3,3,0, exp, coef, len
|
|
add expq, lenq
|
|
lea coefq, [coefq+4*lenq]
|
|
neg lenq
|
|
movq m3, [pd_1]
|
|
movq m4, [pd_151]
|
|
.loop:
|
|
movq m0, [coefq+4*lenq ]
|
|
movq m1, [coefq+4*lenq+8]
|
|
PABSD_MMX m0, m2
|
|
PABSD_MMX m1, m2
|
|
pslld m0, 1
|
|
por m0, m3
|
|
pi2fd m2, m0
|
|
psrld m2, 23
|
|
movq m0, m4
|
|
psubd m0, m2
|
|
pslld m1, 1
|
|
por m1, m3
|
|
pi2fd m2, m1
|
|
psrld m2, 23
|
|
movq m1, m4
|
|
psubd m1, m2
|
|
packssdw m0, m0
|
|
packuswb m0, m0
|
|
packssdw m1, m1
|
|
packuswb m1, m1
|
|
punpcklwd m0, m1
|
|
movd [expq+lenq], m0
|
|
add lenq, 4
|
|
jl .loop
|
|
REP_RET
|
|
%endif
|
|
|
|
%macro AC3_EXTRACT_EXPONENTS 1
|
|
cglobal ac3_extract_exponents_%1, 3,3,5, exp, coef, len
|
|
add expq, lenq
|
|
lea coefq, [coefq+4*lenq]
|
|
neg lenq
|
|
mova m2, [pd_1]
|
|
mova m3, [pd_151]
|
|
%ifidn %1, ssse3 ;
|
|
movd m4, [pb_shuf_4dwb]
|
|
%endif
|
|
.loop:
|
|
; move 4 32-bit coefs to xmm0
|
|
mova m0, [coefq+4*lenq]
|
|
; absolute value
|
|
PABSD m0, m1
|
|
; convert to float and extract exponents
|
|
pslld m0, 1
|
|
por m0, m2
|
|
cvtdq2ps m1, m0
|
|
psrld m1, 23
|
|
mova m0, m3
|
|
psubd m0, m1
|
|
; move the lowest byte in each of 4 dwords to the low dword
|
|
%ifidn %1, ssse3
|
|
pshufb m0, m4
|
|
%else
|
|
packssdw m0, m0
|
|
packuswb m0, m0
|
|
%endif
|
|
movd [expq+lenq], m0
|
|
|
|
add lenq, 4
|
|
jl .loop
|
|
REP_RET
|
|
%endmacro
|
|
|
|
%if HAVE_SSE
|
|
INIT_XMM
|
|
%define PABSD PABSD_MMX
|
|
AC3_EXTRACT_EXPONENTS sse2
|
|
%if HAVE_SSSE3
|
|
%define PABSD PABSD_SSSE3
|
|
AC3_EXTRACT_EXPONENTS ssse3
|
|
%endif
|
|
%endif
|