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| Rev | Author | Line No. | Line |
|---|---|---|---|
| 6148 | serge | 1 | /* |
| 2 | * Copyright (C) 2007 Marc Hoffman |
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| 3 | * |
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| 4 | * This file is part of FFmpeg. |
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| 5 | * |
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| 6 | * FFmpeg is free software; you can redistribute it and/or |
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| 7 | * modify it under the terms of the GNU Lesser General Public |
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| 8 | * License as published by the Free Software Foundation; either |
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| 9 | * version 2.1 of the License, or (at your option) any later version. |
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| 10 | * |
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| 11 | * FFmpeg is distributed in the hope that it will be useful, |
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| 12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
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| 13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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| 14 | * Lesser General Public License for more details. |
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| 15 | * |
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| 16 | * You should have received a copy of the GNU Lesser General Public |
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| 17 | * License along with FFmpeg; if not, write to the Free Software |
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| 18 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
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| 19 | */ |
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| 20 | |||
| 21 | #include |
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| 22 | |||
| 23 | #include "libavutil/attributes.h" |
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| 24 | #include "libavcodec/avcodec.h" |
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| 25 | #include "libavcodec/vp3dsp.h" |
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| 26 | #include "libavcodec/dsputil.h" |
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| 27 | #include "dsputil_bfin.h" |
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| 28 | #include "vp3_bfin.h" |
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| 29 | |||
| 30 | /* Intra iDCT offset 128 */ |
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| 31 | static void bfin_vp3_idct_put(uint8_t *dest, int line_size, int16_t *block) |
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| 32 | { |
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| 33 | const uint8_t *cm = ff_cropTbl + MAX_NEG_CROP + 128; |
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| 34 | int i,j; |
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| 35 | |||
| 36 | ff_bfin_vp3_idct (block); |
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| 37 | |||
| 38 | for (i=0;i<8;i++) |
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| 39 | for (j=0;j<8;j++) |
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| 40 | dest[line_size*i + j] = cm[block[j*8 + i]]; |
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| 41 | |||
| 42 | memset(block, 0, 128); |
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| 43 | } |
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| 44 | |||
| 45 | /* Inter iDCT */ |
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| 46 | static void bfin_vp3_idct_add(uint8_t *dest, int line_size, int16_t *block) |
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| 47 | { |
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| 48 | const uint8_t *cm = ff_cropTbl + MAX_NEG_CROP; |
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| 49 | int i, j; |
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| 50 | |||
| 51 | ff_bfin_vp3_idct (block); |
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| 52 | for (i = 0; i < 8; i++) |
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| 53 | for (j = 0; j < 8; j++) |
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| 54 | dest[line_size*i + j] = cm[dest[line_size*i + j] + block[j*8 + i]]; |
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| 55 | |||
| 56 | memset(block, 0, 128); |
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| 57 | } |
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| 58 | |||
| 59 | av_cold void ff_vp3dsp_init_bfin(VP3DSPContext *c, int flags) |
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| 60 | { |
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| 61 | if (!(flags & CODEC_FLAG_BITEXACT)) { |
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| 62 | c->idct_add = bfin_vp3_idct_add; |
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| 63 | c->idct_put = bfin_vp3_idct_put; |
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| 64 | } |
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| 65 | } |