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pixblockdsp_init.c
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1 /*
2  * SIMD-optimized pixel operations
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/attributes.h"
22 #include "libavutil/cpu.h"
23 #include "libavutil/x86/cpu.h"
24 #include "libavcodec/pixblockdsp.h"
25 
26 void ff_get_pixels_mmx(int16_t *block, const uint8_t *pixels, ptrdiff_t stride);
27 void ff_get_pixels_sse2(int16_t *block, const uint8_t *pixels, ptrdiff_t stride);
28 void ff_diff_pixels_mmx(int16_t *block, const uint8_t *s1, const uint8_t *s2,
29  ptrdiff_t stride);
30 void ff_diff_pixels_sse2(int16_t *block, const uint8_t *s1, const uint8_t *s2,
31  ptrdiff_t stride);
32 
34  AVCodecContext *avctx,
35  unsigned high_bit_depth)
36 {
38 
39  if (EXTERNAL_MMX(cpu_flags)) {
40  if (!high_bit_depth)
44  }
45 
46  if (EXTERNAL_SSE2(cpu_flags)) {
47  if (!high_bit_depth)
51  }
52 }
#define EXTERNAL_MMX(flags)
Definition: cpu.h:56
static atomic_int cpu_flags
Definition: cpu.c:50
Macro definitions for various function/variable attributes.
static int16_t block[64]
Definition: dct.c:115
uint8_t
#define av_cold
Definition: attributes.h:82
void(* diff_pixels)(int16_t *av_restrict block, const uint8_t *s1, const uint8_t *s2, ptrdiff_t stride)
Definition: pixblockdsp.h:32
#define EXTERNAL_SSE2(flags)
Definition: cpu.h:59
#define s2
Definition: regdef.h:39
void(* get_pixels)(int16_t *av_restrict block, const uint8_t *pixels, ptrdiff_t stride)
Definition: pixblockdsp.h:29
void ff_get_pixels_mmx(int16_t *block, const uint8_t *pixels, ptrdiff_t stride)
void ff_get_pixels_sse2(int16_t *block, const uint8_t *pixels, ptrdiff_t stride)
main external API structure.
Definition: avcodec.h:1488
av_cold void ff_pixblockdsp_init_x86(PixblockDSPContext *c, AVCodecContext *avctx, unsigned high_bit_depth)
#define s1
Definition: regdef.h:38
int av_get_cpu_flags(void)
Return the flags which specify extensions supported by the CPU.
Definition: cpu.c:92
GLint GLenum GLboolean GLsizei stride
Definition: opengl_enc.c:105
static double c[64]
int pixels
Definition: avisynth_c.h:429
void(* diff_pixels_unaligned)(int16_t *av_restrict block, const uint8_t *s1, const uint8_t *s2, ptrdiff_t stride)
Definition: pixblockdsp.h:36
void ff_diff_pixels_mmx(int16_t *block, const uint8_t *s1, const uint8_t *s2, ptrdiff_t stride)
void ff_diff_pixels_sse2(int16_t *block, const uint8_t *s1, const uint8_t *s2, ptrdiff_t stride)