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swscale.c
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1 /*
2  * This file is part of FFmpeg.
3  *
4  * FFmpeg is free software; you can redistribute it and/or
5  * modify it under the terms of the GNU Lesser General Public
6  * License as published by the Free Software Foundation; either
7  * version 2.1 of the License, or (at your option) any later version.
8  *
9  * FFmpeg is distributed in the hope that it will be useful,
10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12  * Lesser General Public License for more details.
13  *
14  * You should have received a copy of the GNU Lesser General Public
15  * License along with FFmpeg; if not, write to the Free Software
16  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
17  */
18 
19 #include "config.h"
20 #include "libswscale/swscale.h"
22 #include "libavutil/aarch64/cpu.h"
23 
24 void ff_hscale_8_to_15_neon(SwsContext *c, int16_t *dst, int dstW,
25  const uint8_t *src, const int16_t *filter,
26  const int32_t *filterPos, int filterSize);
27 
28 void ff_yuv2planeX_8_neon(const int16_t *filter, int filterSize,
29  const int16_t **src, uint8_t *dest, int dstW,
30  const uint8_t *dither, int offset);
31 
33 {
35 
36  if (have_neon(cpu_flags)) {
37  if (c->srcBpc == 8 && c->dstBpc <= 14) {
39  }
40  if (c->dstBpc == 8) {
42  }
43  }
44 }
static atomic_int cpu_flags
Definition: cpu.c:50
#define src
Definition: vp8dsp.c:254
static void filter(int16_t *output, ptrdiff_t out_stride, int16_t *low, ptrdiff_t low_stride, int16_t *high, ptrdiff_t high_stride, int len, int clip)
Definition: cfhd.c:114
uint8_t
#define av_cold
Definition: attributes.h:82
external API header
av_cold void ff_sws_init_swscale_aarch64(SwsContext *c)
Definition: swscale.c:32
void ff_yuv2planeX_8_neon(const int16_t *filter, int filterSize, const int16_t **src, uint8_t *dest, int dstW, const uint8_t *dither, int offset)
static const uint8_t dither[8][8]
Definition: vf_fspp.c:57
static const uint8_t offset[127][2]
Definition: vf_spp.c:92
#define have_neon(flags)
Definition: cpu.h:26
int32_t
void(* hcScale)(struct SwsContext *c, int16_t *dst, int dstW, const uint8_t *src, const int16_t *filter, const int32_t *filterPos, int filterSize)
void ff_hscale_8_to_15_neon(SwsContext *c, int16_t *dst, int dstW, const uint8_t *src, const int16_t *filter, const int32_t *filterPos, int filterSize)
yuv2planarX_fn yuv2planeX
int av_get_cpu_flags(void)
Return the flags which specify extensions supported by the CPU.
Definition: cpu.c:93
static double c[64]
void(* hyScale)(struct SwsContext *c, int16_t *dst, int dstW, const uint8_t *src, const int16_t *filter, const int32_t *filterPos, int filterSize)
Scale one horizontal line of input data using a filter over the input lines, to produce one (differen...