FFmpeg  2.1.1
dsputil_init_armv5te.c
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1 /*
2  * Copyright (c) 2009 Mans Rullgard <mans@mansr.com>
3  *
4  * This file is part of FFmpeg.
5  *
6  * FFmpeg is free software; you can redistribute it and/or
7  * modify it under the terms of the GNU Lesser General Public
8  * License as published by the Free Software Foundation; either
9  * version 2.1 of the License, or (at your option) any later version.
10  *
11  * FFmpeg is distributed in the hope that it will be useful,
12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14  * Lesser General Public License for more details.
15  *
16  * You should have received a copy of the GNU Lesser General Public
17  * License along with FFmpeg; if not, write to the Free Software
18  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
19  */
20 
21 #include "dsputil_arm.h"
22 
23 void ff_simple_idct_armv5te(int16_t *data);
24 void ff_simple_idct_put_armv5te(uint8_t *dest, int line_size, int16_t *data);
25 void ff_simple_idct_add_armv5te(uint8_t *dest, int line_size, int16_t *data);
26 
28 {
29  if (!avctx->lowres && avctx->bits_per_raw_sample <= 8 &&
30  (avctx->idct_algo == FF_IDCT_AUTO ||
31  avctx->idct_algo == FF_IDCT_SIMPLEARMV5TE)) {
36  }
37 }
int bits_per_raw_sample
Bits per sample/pixel of internal libavcodec pixel/sample format.
Definition: avcodec.h:2570
#define av_cold
Definition: avcodec.h:653
void(* idct_add)(uint8_t *dest, int line_size, int16_t *block)
block -&gt; idct -&gt; add dest -&gt; clip to unsigned 8 bit -&gt; dest.
Definition: dsputil.h:232
void(* idct_put)(uint8_t *dest, int line_size, int16_t *block)
block -&gt; idct -&gt; clip to unsigned 8 bit -&gt; dest.
Definition: dsputil.h:226
uint8_t
#define FF_IDCT_SIMPLEARMV5TE
Definition: avcodec.h:2551
const char data[16]
Definition: mxf.c:68
int lowres
low resolution decoding, 1-&gt; 1/2 size, 2-&gt;1/4 size
Definition: avcodec.h:2580
void ff_simple_idct_armv5te(int16_t *data)
void(* idct)(int16_t *block)
Definition: dsputil.h:219
#define FF_IDCT_AUTO
Definition: avcodec.h:2541
int idct_algo
IDCT algorithm, see FF_IDCT_* below.
Definition: avcodec.h:2540
AVCodecContext * avctx
Definition: apedec.c:135
#define FF_NO_IDCT_PERM
Definition: dsputil.h:248
int idct_permutation_type
Definition: dsputil.h:247
main external API structure.
Definition: avcodec.h:1146
void ff_simple_idct_add_armv5te(uint8_t *dest, int line_size, int16_t *data)
static double c[64]
void ff_simple_idct_put_armv5te(uint8_t *dest, int line_size, int16_t *data)
DSPContext.
Definition: dsputil.h:124
void ff_dsputil_init_armv5te(DSPContext *c, AVCodecContext *avctx)