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https://git.videolan.org/git/ffmpeg.git
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df13b75aa1
Performance of mpeg4 decoding improved about 23%(from 128fps to 158fps, tested on loongson 3A3000). Reoptimized following functions with mmi. 1. ff_simple_idct_put_8_mmi 2. ff_simple_idct_add_8_mmi 3. ff_simple_idct_8_mmi Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
54 lines
2.5 KiB
C
54 lines
2.5 KiB
C
/*
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* Copyright (c) 2015 Manojkumar Bhosale (Manojkumar.Bhosale@imgtec.com)
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* Zhou Xiaoyong <zhouxiaoyong@loongson.cn>
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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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#ifndef AVCODEC_MIPS_IDCTDSP_MIPS_H
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#define AVCODEC_MIPS_IDCTDSP_MIPS_H
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#include "../mpegvideo.h"
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void ff_put_pixels_clamped_msa(const int16_t *block,
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uint8_t *av_restrict pixels,
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ptrdiff_t line_size);
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void ff_put_signed_pixels_clamped_msa(const int16_t *block,
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uint8_t *av_restrict pixels,
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ptrdiff_t line_size);
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void ff_add_pixels_clamped_msa(const int16_t *block,
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uint8_t *av_restrict pixels,
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ptrdiff_t line_size);
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void ff_j_rev_dct_msa(int16_t *data);
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void ff_jref_idct_put_msa(uint8_t *dest, ptrdiff_t stride, int16_t *block);
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void ff_jref_idct_add_msa(uint8_t *dest, ptrdiff_t stride, int16_t *block);
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void ff_simple_idct_msa(int16_t *block);
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void ff_simple_idct_put_msa(uint8_t *dest, ptrdiff_t stride_dst, int16_t *block);
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void ff_simple_idct_add_msa(uint8_t *dest, ptrdiff_t stride_dst, int16_t *block);
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void ff_put_pixels_clamped_mmi(const int16_t *block,
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uint8_t *av_restrict pixels, ptrdiff_t line_size);
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void ff_put_signed_pixels_clamped_mmi(const int16_t *block,
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uint8_t *av_restrict pixels, ptrdiff_t line_size);
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void ff_add_pixels_clamped_mmi(const int16_t *block,
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uint8_t *av_restrict pixels, ptrdiff_t line_size);
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void ff_simple_idct_8_mmi(int16_t *block);
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void ff_simple_idct_put_8_mmi(uint8_t *dest, ptrdiff_t line_size, int16_t *block);
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void ff_simple_idct_add_8_mmi(uint8_t *dest, ptrdiff_t line_size, int16_t *block);
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#endif // #ifndef AVCODEC_MIPS_IDCTDSP_MIPS_H
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