CODEC_FLAG_LOW_DELAY fix
[libav.git] / libavcodec / armv4l / dsputil_arm.c
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1/*
2 * ARMv4L optimized DSP utils
3 * Copyright (c) 2001 Lionel Ulmer.
4 *
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5 * This library is free software; you can redistribute it and/or
6 * modify it under the terms of the GNU Lesser General Public
7 * License as published by the Free Software Foundation; either
8 * version 2 of the License, or (at your option) any later version.
92651f67 9 *
ff4ec49e 10 * This library is distributed in the hope that it will be useful,
92651f67 11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
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12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 * Lesser General Public License for more details.
92651f67 14 *
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15 * You should have received a copy of the GNU Lesser General Public
16 * License along with this library; if not, write to the Free Software
17 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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18 */
19
20#include "../dsputil.h"
21
22extern void j_rev_dct_ARM(DCTELEM *data);
23
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24/* XXX: local hack */
25static void (*ff_put_pixels_clamped)(const DCTELEM *block, uint8_t *pixels, int line_size);
26static void (*ff_add_pixels_clamped)(const DCTELEM *block, uint8_t *pixels, int line_size);
27
28/* XXX: those functions should be suppressed ASAP when all IDCTs are
29 converted */
30static void arm_idct_put(uint8_t *dest, int line_size, DCTELEM *block)
31{
32 j_rev_dct_ARM (block);
33 ff_put_pixels_clamped(block, dest, line_size);
34}
35static void arm_idct_add(uint8_t *dest, int line_size, DCTELEM *block)
36{
37 j_rev_dct_ARM (block);
38 ff_add_pixels_clamped(block, dest, line_size);
39}
40
41void dsputil_init_armv4l(DSPContext* c, AVCodecContext *avctx)
92651f67 42{
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43 const int idct_algo= avctx->idct_algo;
44
45 ff_put_pixels_clamped = c->put_pixels_clamped;
46 ff_add_pixels_clamped = c->add_pixels_clamped;
47
48 if(idct_algo==FF_IDCT_AUTO || idct_algo==FF_IDCT_ARM){
49 c->idct_put= arm_idct_put;
50 c->idct_add= arm_idct_add;
4fb518c3 51 c->idct = j_rev_dct_ARM;
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52 c->idct_permutation_type= FF_LIBMPEG2_IDCT_PERM;/* FF_NO_IDCT_PERM */
53 }
92651f67 54}