FFmpeg  2.1.1
mpegvideo_arm.c
Go to the documentation of this file.
1 /*
2  * Copyright (c) 2002 Michael Niedermayer
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 "libavutil/arm/cpu.h"
22 #include "libavcodec/avcodec.h"
23 #include "libavcodec/mpegvideo.h"
24 #include "mpegvideo_arm.h"
25 #include "asm-offsets.h"
26 
27 #if HAVE_NEON
28 CHK_OFFS(MpegEncContext, y_dc_scale, Y_DC_SCALE);
29 CHK_OFFS(MpegEncContext, c_dc_scale, C_DC_SCALE);
31 CHK_OFFS(MpegEncContext, block_last_index, BLOCK_LAST_INDEX);
32 CHK_OFFS(MpegEncContext, inter_scantable.raster_end, INTER_SCANTAB_RASTER_END);
33 CHK_OFFS(MpegEncContext, h263_aic, H263_AIC);
34 #endif
35 
37  int n, int qscale);
39  int n, int qscale);
40 
42 {
44 
45  if (have_armv5te(cpu_flags))
47 
48  if (have_neon(cpu_flags)) {
51  }
52 }
const char * s
Definition: avisynth_c.h:668
void ff_dct_unquantize_h263_inter_neon(MpegEncContext *s, int16_t *block, int n, int qscale)
void ff_dct_unquantize_h263_intra_neon(MpegEncContext *s, int16_t *block, int n, int qscale)
mpegvideo header.
#define av_cold
Definition: avcodec.h:653
#define CHK_OFFS(s, m, o)
Definition: asm-offsets.h:26
void(* dct_unquantize_h263_intra)(struct MpegEncContext *s, int16_t *block, int n, int qscale)
Definition: mpegvideo.h:721
void(* dct_unquantize_h263_inter)(struct MpegEncContext *s, int16_t *block, int n, int qscale)
Definition: mpegvideo.h:723
#define have_armv5te(flags)
Definition: cpu.h:26
#define BLOCK_LAST_INDEX
Definition: asm-offsets.h:35
int av_get_cpu_flags(void)
Return the flags which specify extensions supported by the CPU.
Definition: cpu.c:52
#define INTER_SCANTAB_RASTER_END
Definition: asm-offsets.h:37
#define AC_PRED
Definition: asm-offsets.h:34
int n
Definition: avisynth_c.h:588
static int cpu_flags
Definition: dct-test.c:77
void ff_MPV_common_init_armv5te(MpegEncContext *s)
#define Y_DC_SCALE
Definition: asm-offsets.h:32
#define have_neon(flags)
Definition: cpu.h:31
#define C_DC_SCALE
Definition: asm-offsets.h:33
MpegEncContext.
Definition: mpegvideo.h:245
#define H263_AIC
Definition: asm-offsets.h:36
av_cold void ff_MPV_common_init_arm(MpegEncContext *s)
Definition: mpegvideo_arm.c:41
static int16_t block[64]
Definition: dct-test.c:198