mirror of https://github.com/FFmpeg/FFmpeg.git
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>pull/79/merge
Michael Niedermayer
10 years ago
parent
9a6ca20ef6
commit
c0a586d9d5
8 changed files with 159 additions and 13 deletions
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/*
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* DSP utils |
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* Copyright (c) 2000, 2001, 2002 Fabrice Bellard |
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* Copyright (c) 2002-2004 Michael Niedermayer <michaelni@gmx.at> |
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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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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
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*/ |
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/**
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* @file |
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* DSP utils. |
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* This is deprecated |
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*/ |
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#ifndef AVCODEC_DSPUTIL_H |
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#define AVCODEC_DSPUTIL_H |
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#include "avcodec.h" |
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#include "version.h" |
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#include "me_cmp.h" |
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#if FF_API_DSPUTIL |
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/* minimum alignment rules ;)
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* If you notice errors in the align stuff, need more alignment for some ASM code |
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* for some CPU or need to use a function with less aligned data then send a mail |
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* to the ffmpeg-devel mailing list, ... |
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* |
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* !warning These alignments might not match reality, (missing attribute((align)) |
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* stuff somewhere possible). |
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* I (Michael) did not check them, these are just the alignments which I think |
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* could be reached easily ... |
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* |
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* !future video codecs might need functions with less strict alignment |
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*/ |
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struct MpegEncContext; |
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/**
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* DSPContext. |
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*/ |
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typedef struct DSPContext { |
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int (*sum_abs_dctelem)(int16_t *block /* align 16 */); |
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me_cmp_func sad[6]; /* identical to pix_absAxA except additional void * */ |
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me_cmp_func sse[6]; |
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me_cmp_func hadamard8_diff[6]; |
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me_cmp_func dct_sad[6]; |
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me_cmp_func quant_psnr[6]; |
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me_cmp_func bit[6]; |
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me_cmp_func rd[6]; |
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me_cmp_func vsad[6]; |
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me_cmp_func vsse[6]; |
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me_cmp_func nsse[6]; |
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me_cmp_func w53[6]; |
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me_cmp_func w97[6]; |
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me_cmp_func dct_max[6]; |
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me_cmp_func dct264_sad[6]; |
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me_cmp_func me_pre_cmp[6]; |
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me_cmp_func me_cmp[6]; |
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me_cmp_func me_sub_cmp[6]; |
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me_cmp_func mb_cmp[6]; |
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me_cmp_func ildct_cmp[6]; // only width 16 used
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me_cmp_func frame_skip_cmp[6]; // only width 8 used
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me_cmp_func pix_abs[2][4]; |
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} DSPContext; |
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attribute_deprecated void avpriv_dsputil_init(DSPContext* p, AVCodecContext *avctx); |
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#endif |
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#endif /* AVCODEC_DSPUTIL_H */ |
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@ -0,0 +1,56 @@ |
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/*
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* DSP utils |
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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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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
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*/ |
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#include "me_cmp.h" |
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#include "dsputil.h" |
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#if FF_API_DSPUTIL |
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void avpriv_dsputil_init(DSPContext* p, AVCodecContext *avctx) |
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{ |
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MECmpContext mecc; |
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ff_me_cmp_init(&mecc, avctx); |
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#define COPY(name) memcpy(&p->name, &mecc.name, sizeof(p->name)) |
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COPY(sum_abs_dctelem); |
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COPY(sad); |
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COPY(sse); |
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COPY(hadamard8_diff); |
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COPY(dct_sad); |
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COPY(quant_psnr); |
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COPY(bit); |
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COPY(rd); |
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COPY(vsad); |
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COPY(vsse); |
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COPY(nsse); |
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COPY(w53); |
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COPY(w97); |
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COPY(dct_max); |
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COPY(dct264_sad); |
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COPY(me_pre_cmp); |
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COPY(me_cmp); |
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COPY(me_sub_cmp); |
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COPY(mb_cmp); |
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COPY(ildct_cmp); |
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COPY(frame_skip_cmp); |
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COPY(pix_abs); |
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} |
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#endif |
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