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https://github.com/xenia-project/FFmpeg.git
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71 lines
2.5 KiB
C
71 lines
2.5 KiB
C
/*
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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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