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70 lines
2.5 KiB
70 lines
2.5 KiB
/* |
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* ARMv4L optimized DSP utils |
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* Copyright (c) 2001 Lionel Ulmer. |
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* |
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* This library 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 of the License, or (at your option) any later version. |
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* |
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* This library 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 this library; if not, write to the Free Software |
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
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*/ |
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#include "../dsputil.h" |
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extern void j_rev_dct_ARM(DCTELEM *data); |
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extern void simple_idct_ARM(DCTELEM *data); |
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/* XXX: local hack */ |
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static void (*ff_put_pixels_clamped)(const DCTELEM *block, uint8_t *pixels, int line_size); |
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static void (*ff_add_pixels_clamped)(const DCTELEM *block, uint8_t *pixels, int line_size); |
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/* XXX: those functions should be suppressed ASAP when all IDCTs are |
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converted */ |
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static void j_rev_dct_ARM_put(uint8_t *dest, int line_size, DCTELEM *block) |
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{ |
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j_rev_dct_ARM (block); |
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ff_put_pixels_clamped(block, dest, line_size); |
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} |
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static void j_rev_dct_ARM_add(uint8_t *dest, int line_size, DCTELEM *block) |
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{ |
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j_rev_dct_ARM (block); |
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ff_add_pixels_clamped(block, dest, line_size); |
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} |
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static void simple_idct_ARM_put(uint8_t *dest, int line_size, DCTELEM *block) |
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{ |
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simple_idct_ARM (block); |
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ff_put_pixels_clamped(block, dest, line_size); |
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} |
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static void simple_idct_ARM_add(uint8_t *dest, int line_size, DCTELEM *block) |
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{ |
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simple_idct_ARM (block); |
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ff_add_pixels_clamped(block, dest, line_size); |
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} |
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void dsputil_init_armv4l(DSPContext* c, AVCodecContext *avctx) |
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{ |
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const int idct_algo= avctx->idct_algo; |
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ff_put_pixels_clamped = c->put_pixels_clamped; |
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ff_add_pixels_clamped = c->add_pixels_clamped; |
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if(idct_algo==FF_IDCT_AUTO || idct_algo==FF_IDCT_ARM){ |
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c->idct_put= j_rev_dct_ARM_put; |
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c->idct_add= j_rev_dct_ARM_add; |
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c->idct = j_rev_dct_ARM; |
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c->idct_permutation_type= FF_LIBMPEG2_IDCT_PERM;/* FF_NO_IDCT_PERM */ |
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} else if (idct_algo==FF_IDCT_SIMPLEARM){ |
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c->idct_put= simple_idct_ARM_put; |
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c->idct_add= simple_idct_ARM_add; |
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c->idct = simple_idct_ARM; |
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c->idct_permutation_type= FF_NO_IDCT_PERM; |
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} |
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}
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