FFmpeg
v210dec.c
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1 /*
2  * Copyright (c) 2019 James Darnley
3  *
4  * This file is part of FFmpeg.
5  *
6  * FFmpeg is free software; you can redistribute it and/or modify
7  * it under the terms of the GNU General Public License as published by
8  * the Free Software Foundation; either version 2 of the License, or
9  * (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
14  * GNU General Public License for more details.
15  *
16  * You should have received a copy of the GNU General Public License along
17  * with FFmpeg; if not, write to the Free Software Foundation, Inc.,
18  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
19  */
20 
21 #include <string.h>
22 #include "checkasm.h"
23 #include "libavcodec/v210dec.h"
24 
25 static uint32_t get_v210(void)
26 {
27  uint32_t t0 = rnd() & 0x3ff,
28  t1 = rnd() & 0x3ff,
29  t2 = rnd() & 0x3ff;
30  uint32_t value = t0
31  | (t1 << 10)
32  | (t2 << 20);
33  return value;
34 }
35 
36 #define NUM_SAMPLES 2048
37 
38 static void randomize_buffers(uint32_t *src0, uint32_t *src1, int len)
39 {
40  for (int i = 0; i < len; i++) {
41  uint32_t value = get_v210();
42  src0[i] = value;
43  src1[i] = value;
44  }
45 }
46 
48 {
50 
51  h.aligned_input = 0;
52  ff_v210dec_init(&h);
53 
54  if (check_func(h.unpack_frame, "v210_unpack")) {
55  uint32_t src0[NUM_SAMPLES/3];
56  uint32_t src1[NUM_SAMPLES/3];
57  uint16_t y0[NUM_SAMPLES/2];
58  uint16_t y1[NUM_SAMPLES/2];
59  uint16_t u0[NUM_SAMPLES/4];
60  uint16_t u1[NUM_SAMPLES/4];
61  uint16_t v0[NUM_SAMPLES/4];
62  uint16_t v1[NUM_SAMPLES/4];
63  declare_func(void, const uint32_t *src, uint16_t *y, uint16_t *u, uint16_t *v, int width);
64  const int pixels = NUM_SAMPLES / 2 / 6 * 6;
65 
66  randomize_buffers(src0, src1, NUM_SAMPLES/3);
67  call_ref(src0, y0, u0, v0, pixels);
68  call_new(src1, y1, u1, v1, pixels);
69  if (memcmp(src0, src1, NUM_SAMPLES/3 * sizeof src0[0])
70  || memcmp(y0, y1, pixels * sizeof y0[0])
71  || memcmp(u0, u1, pixels/2 * sizeof u0[0])
72  || memcmp(v0, v1, pixels/2 * sizeof v0[0]))
73  fail();
74  bench_new(src1, y1, u1, v1, pixels);
75  }
76  report("v210_unpack");
77 }
av_cold void ff_v210dec_init(V210DecContext *s)
Definition: v210dec.c:53
void checkasm_check_v210dec(void)
Definition: v210dec.c:47
GLfloat v0
Definition: opengl_enc.c:106
#define src
Definition: vp8dsp.c:254
#define report
Definition: checkasm.h:124
GLsizei GLboolean const GLfloat * value
Definition: opengl_enc.c:108
#define u(width, name, range_min, range_max)
Definition: cbs_h2645.c:252
#define t0
Definition: regdef.h:28
static void randomize_buffers(uint32_t *src0, uint32_t *src1, int len)
Definition: v210dec.c:38
#define i(width, name, range_min, range_max)
Definition: cbs_h2645.c:259
#define declare_func(ret,...)
Definition: checkasm.h:116
#define t1
Definition: regdef.h:29
#define fail()
Definition: checkasm.h:121
#define width
void(* unpack_frame)(const uint32_t *src, uint16_t *y, uint16_t *u, uint16_t *v, int width)
Definition: v210dec.h:31
static uint32_t get_v210(void)
Definition: v210dec.c:25
#define call_ref(...)
Definition: checkasm.h:127
#define src1
Definition: h264pred.c:139
int aligned_input
Definition: v210dec.h:29
#define check_func(func,...)
Definition: checkasm.h:112
#define src0
Definition: h264pred.c:138
#define rnd()
Definition: checkasm.h:105
#define NUM_SAMPLES
Definition: v210dec.c:36
int pixels
Definition: avisynth_c.h:390
int len
#define bench_new(...)
Definition: checkasm.h:254
#define call_new(...)
Definition: checkasm.h:194
#define t2
Definition: regdef.h:30