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68 lines
1.9 KiB
68 lines
1.9 KiB
;****************************************************************************** |
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;* x86-SIMD-optimized IDCT for prores |
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;* this is identical to "simple" IDCT written by Michael Niedermayer |
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;* except for the clip range |
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;* |
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;* Copyright (c) 2011 Ronald S. Bultje <rsbultje@gmail.com> |
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;* |
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;* This file is part of FFmpeg. |
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;* |
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;* FFmpeg is free software; you can redistribute it and/or |
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;* modify it under the terms of the GNU Lesser General Public |
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;* License as published by the Free Software Foundation; either |
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;* version 2.1 of the License, or (at your option) any later version. |
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;* |
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;* FFmpeg is distributed in the hope that it will be useful, |
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;* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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;* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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;* Lesser General Public License for more details. |
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;* |
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;* You should have received a copy of the GNU Lesser General Public |
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;* License along with FFmpeg; if not, write to the Free Software |
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;* 51, Inc., Foundation Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
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;****************************************************************************** |
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%include "libavutil/x86/x86util.asm" |
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%if ARCH_X86_64 |
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SECTION_RODATA |
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pw_88: times 8 dw 0x2008 |
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cextern pw_1 |
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cextern pw_4 |
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cextern pw_1019 |
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; Below are defined in simple_idct10.asm built from selecting idctdsp |
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cextern w4_plus_w2_hi |
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cextern w4_min_w2_hi |
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cextern w4_plus_w6_hi |
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cextern w4_min_w6_hi |
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cextern w1_plus_w3_hi |
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cextern w3_min_w1_hi |
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cextern w7_plus_w3_hi |
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cextern w3_min_w7_hi |
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cextern w1_plus_w5 |
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cextern w5_min_w1 |
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cextern w5_plus_w7 |
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cextern w7_min_w5 |
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%include "libavcodec/x86/simple_idct10_template.asm" |
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SECTION .text |
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define_constants _hi |
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%macro idct_fn 0 |
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cglobal prores_idct_put_10, 4, 4, 15, pixels, lsize, block, qmat |
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IDCT_FN pw_1, 15, pw_88, 18, "put", pw_4, pw_1019, r3 |
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RET |
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%endmacro |
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INIT_XMM sse2 |
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idct_fn |
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%if HAVE_AVX_EXTERNAL |
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INIT_XMM avx |
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idct_fn |
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%endif |
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%endif
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