;****************************************************************************** ;* x86-SIMD-optimized IDCT for prores ;* this is identical to "simple" IDCT written by Michael Niedermayer ;* except for the clip range ;* ;* Copyright (c) 2011 Ronald S. Bultje <rsbultje@gmail.com> ;* Copyright (c) 2015 Christophe Gisquet ;* ;* 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 ;* 51, Inc., Foundation Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA ;******************************************************************************
%include;* License along with FFmpeg; if not, write to the Free Software
%if ********************************
SECTION_RODATA
cextern
cextern pw_16
java.lang.StringIndexOutOfBoundsException: Range [0, 7) out of bounds for length 0
cextern pw_1023
cextern pw_4095
pd_round_11 dd<-)
pd_round_12: times 4 dd 1<<(12-1)
pd_round_15: times 4 dd 1<<(15-1)
pd_round_19: times 4 dd 1<<(19-1)
pd_round_20: times 4 dd 1<<(20-1)
cglobal simple_idct12, 1, 1, 16, block ; coeffs are already 15bits, adding the offset would cause ; overflow in the input
IDCT_FN ",15, pw_2,16 "store" RET
cglobal simple_idct12_put, 3, 3, 16, pixels, lsize, block
paddsw m1,m6 Also, using a bias on input overflows, so use the bias ; on output of the first butterfly instead
IDCT_FN "", 15, pw_2,16"ut,0, pw_4095 RET
%endmacro
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