FFmpeg
checkasm.h
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1 /*
2  * Assembly testing and benchmarking tool
3  * Copyright (c) 2015 Henrik Gramner
4  * Copyright (c) 2008 Loren Merritt
5  *
6  * This file is part of FFmpeg.
7  *
8  * FFmpeg is free software; you can redistribute it and/or modify
9  * it under the terms of the GNU General Public License as published by
10  * the Free Software Foundation; either version 2 of the License, or
11  * (at your option) any later version.
12  *
13  * FFmpeg is distributed in the hope that it will be useful,
14  * but WITHOUT ANY WARRANTY; without even the implied warranty of
15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16  * GNU General Public License for more details.
17  *
18  * You should have received a copy of the GNU General Public License along
19  * with FFmpeg; if not, write to the Free Software Foundation, Inc.,
20  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
21  */
22 
23 #ifndef TESTS_CHECKASM_CHECKASM_H
24 #define TESTS_CHECKASM_CHECKASM_H
25 
26 #include <stdint.h>
27 #include "config.h"
28 
29 #if CONFIG_LINUX_PERF
30 #include <unistd.h> // read(3)
31 #include <sys/ioctl.h>
32 #include <asm/unistd.h>
33 #include <linux/perf_event.h>
34 #elif CONFIG_MACOS_KPERF
35 #include "libavutil/macos_kperf.h"
36 #endif
37 
38 #include "libavutil/avstring.h"
39 #include "libavutil/cpu.h"
40 #include "libavutil/emms.h"
41 #include "libavutil/internal.h"
42 #include "libavutil/lfg.h"
43 #include "libavutil/timer.h"
44 
45 #ifdef _WIN32
46 #include <windows.h>
47 #if ARCH_X86_32
48 #include <setjmp.h>
49 typedef jmp_buf checkasm_context;
50 #define checkasm_save_context() checkasm_handle_signal(setjmp(checkasm_context_buf))
51 #define checkasm_load_context(s) longjmp(checkasm_context_buf, s)
52 #elif WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_DESKTOP)
53 /* setjmp/longjmp on Windows on architectures using SEH (all except x86_32)
54  * will try to use SEH to unwind the stack, which doesn't work for assembly
55  * functions without unwind information. */
56 typedef struct { CONTEXT c; int status; } checkasm_context;
57 #define checkasm_save_context() \
58  (checkasm_context_buf.status = 0, \
59  RtlCaptureContext(&checkasm_context_buf.c), \
60  checkasm_handle_signal(checkasm_context_buf.status))
61 #define checkasm_load_context(s) \
62  (checkasm_context_buf.status = s, \
63  RtlRestoreContext(&checkasm_context_buf.c, NULL))
64 #else
65 #define checkasm_context void*
66 #define checkasm_save_context() 0
67 #define checkasm_load_context() do {} while (0)
68 #endif
69 #elif defined(_WASI_EMULATED_SIGNAL)
70 #define checkasm_context void*
71 #define checkasm_save_context() 0
72 #define checkasm_load_context() do {} while (0)
73 #else
74 #include <setjmp.h>
75 typedef sigjmp_buf checkasm_context;
76 #define checkasm_save_context() checkasm_handle_signal(sigsetjmp(checkasm_context_buf, 1))
77 #define checkasm_load_context(s) siglongjmp(checkasm_context_buf, s)
78 #endif
79 
80 void checkasm_check_aacencdsp(void);
81 void checkasm_check_aacpsdsp(void);
82 void checkasm_check_ac3dsp(void);
83 void checkasm_check_aes(void);
84 void checkasm_check_afir(void);
85 void checkasm_check_alacdsp(void);
86 void checkasm_check_apv_dsp(void);
87 void checkasm_check_audiodsp(void);
88 void checkasm_check_av_tx(void);
89 void checkasm_check_blackdetect(void);
90 void checkasm_check_blend(void);
91 void checkasm_check_blockdsp(void);
92 void checkasm_check_bswapdsp(void);
93 void checkasm_check_cavsdsp(void);
94 void checkasm_check_colordetect(void);
95 void checkasm_check_colorspace(void);
96 void checkasm_check_dcadsp(void);
97 void checkasm_check_diracdsp(void);
98 void checkasm_check_exrdsp(void);
99 void checkasm_check_fdctdsp(void);
100 void checkasm_check_fixed_dsp(void);
101 void checkasm_check_flacdsp(void);
102 void checkasm_check_float_dsp(void);
103 void checkasm_check_fmtconvert(void);
104 void checkasm_check_g722dsp(void);
105 void checkasm_check_h263dsp(void);
106 void checkasm_check_h264chroma(void);
107 void checkasm_check_h264dsp(void);
108 void checkasm_check_h264pred(void);
109 void checkasm_check_h264qpel(void);
110 void checkasm_check_hevc_add_res(void);
111 void checkasm_check_hevc_deblock(void);
112 void checkasm_check_hevc_idct(void);
113 void checkasm_check_hevc_pel(void);
114 void checkasm_check_hevc_sao(void);
115 void checkasm_check_hpeldsp(void);
116 void checkasm_check_huffyuvdsp(void);
117 void checkasm_check_idctdsp(void);
118 void checkasm_check_idet(void);
119 void checkasm_check_jpeg2000dsp(void);
120 void checkasm_check_llauddsp(void);
121 void checkasm_check_lls(void);
122 void checkasm_check_llviddsp(void);
123 void checkasm_check_llviddspenc(void);
124 void checkasm_check_lpc(void);
125 void checkasm_check_motion(void);
126 void checkasm_check_mpegvideoencdsp(void);
127 void checkasm_check_nlmeans(void);
128 void checkasm_check_opusdsp(void);
129 void checkasm_check_pixblockdsp(void);
130 void checkasm_check_qpeldsp(void);
131 void checkasm_check_sbrdsp(void);
132 void checkasm_check_rv34dsp(void);
133 void checkasm_check_rv40dsp(void);
134 void checkasm_check_scene_sad(void);
135 void checkasm_check_svq1enc(void);
136 void checkasm_check_synth_filter(void);
137 void checkasm_check_sw_gbrp(void);
138 void checkasm_check_sw_range_convert(void);
139 void checkasm_check_sw_rgb(void);
140 void checkasm_check_sw_scale(void);
141 void checkasm_check_sw_yuv2rgb(void);
142 void checkasm_check_sw_yuv2yuv(void);
143 void checkasm_check_sw_ops(void);
144 void checkasm_check_takdsp(void);
145 void checkasm_check_utvideodsp(void);
146 void checkasm_check_v210dec(void);
147 void checkasm_check_v210enc(void);
148 void checkasm_check_vc1dsp(void);
149 void checkasm_check_vf_bwdif(void);
150 void checkasm_check_vf_eq(void);
151 void checkasm_check_vf_fspp(void);
152 void checkasm_check_vf_gblur(void);
153 void checkasm_check_vf_hflip(void);
154 void checkasm_check_vf_threshold(void);
155 void checkasm_check_vf_sobel(void);
156 void checkasm_check_vp3dsp(void);
157 void checkasm_check_vp6dsp(void);
158 void checkasm_check_vp8dsp(void);
159 void checkasm_check_vp9dsp(void);
160 void checkasm_check_videodsp(void);
161 void checkasm_check_vorbisdsp(void);
162 void checkasm_check_vvc_alf(void);
163 void checkasm_check_vvc_mc(void);
164 void checkasm_check_vvc_sao(void);
165 
166 struct CheckasmPerf;
167 
168 void *checkasm_check_func(void *func, const char *name, ...) av_printf_format(2, 3);
169 int checkasm_bench_func(void);
170 int checkasm_fail_func(const char *msg, ...) av_printf_format(1, 2);
171 struct CheckasmPerf *checkasm_get_perf_context(void);
172 void checkasm_report(const char *name, ...) av_printf_format(1, 2);
173 void checkasm_set_signal_handler_state(int enabled);
174 int checkasm_handle_signal(int s);
175 extern checkasm_context checkasm_context_buf;
176 
177 /* float compare utilities */
178 int float_near_ulp(float a, float b, unsigned max_ulp);
179 int float_near_abs_eps(float a, float b, float eps);
180 int float_near_abs_eps_ulp(float a, float b, float eps, unsigned max_ulp);
181 int float_near_ulp_array(const float *a, const float *b, unsigned max_ulp,
182  unsigned len);
183 int float_near_abs_eps_array(const float *a, const float *b, float eps,
184  unsigned len);
185 int float_near_abs_eps_array_ulp(const float *a, const float *b, float eps,
186  unsigned max_ulp, unsigned len);
187 int double_near_abs_eps(double a, double b, double eps);
188 int double_near_abs_eps_array(const double *a, const double *b, double eps,
189  unsigned len);
190 
191 extern AVLFG checkasm_lfg;
192 #define rnd() av_lfg_get(&checkasm_lfg)
193 
194 av_unused static void *func_ref, *func_new;
195 
196 extern uint64_t bench_runs;
197 
198 /* Decide whether or not the specified function needs to be tested */
199 #define check_func(func, ...) (checkasm_save_context(), func_ref = checkasm_check_func((func_new = func), __VA_ARGS__))
200 
201 /* Declare the function prototype. The first argument is the return value, the remaining
202  * arguments are the function parameters. Naming parameters is optional. */
203 #define declare_func(ret, ...) declare_new(ret, __VA_ARGS__) typedef ret func_type(__VA_ARGS__)
204 #define declare_func_float(ret, ...) declare_new_float(ret, __VA_ARGS__) typedef ret func_type(__VA_ARGS__)
205 #define declare_func_emms(cpu_flags, ret, ...) declare_new_emms(cpu_flags, ret, __VA_ARGS__) typedef ret func_type(__VA_ARGS__)
206 
207 /* Indicate that the current test has failed */
208 #define fail() checkasm_fail_func("%s:%d", av_basename(__FILE__), __LINE__)
209 
210 /* Print the test outcome */
211 #define report checkasm_report
212 
213 /* Call the reference function */
214 #define call_ref(...)\
215  (checkasm_set_signal_handler_state(1),\
216  ((func_type *)func_ref)(__VA_ARGS__));\
217  checkasm_set_signal_handler_state(0)
218 
219 #if ARCH_X86 && HAVE_X86ASM
220 /* Verifies that clobbered callee-saved registers are properly saved and restored
221  * and that either no MMX registers are touched or emms is issued */
222 void checkasm_checked_call(void *func, ...);
223 /* Verifies that clobbered callee-saved registers are properly saved and restored
224  * and issues emms for asm functions which are not required to do so */
225 void checkasm_checked_call_emms(void *func, ...);
226 /* Verifies that clobbered callee-saved registers are properly saved and restored
227  * but doesn't issue emms. Meant for dsp functions returning float or double */
228 void checkasm_checked_call_float(void *func, ...);
229 
230 #if ARCH_X86_64
231 /* Evil hack: detect incorrect assumptions that 32-bit ints are zero-extended to 64-bit.
232  * This is done by clobbering the stack with junk around the stack pointer and calling the
233  * assembly function through checked_call() with added dummy arguments which forces all
234  * real arguments to be passed on the stack and not in registers. For 32-bit arguments the
235  * upper half of the 64-bit register locations on the stack will now contain junk which will
236  * cause misbehaving functions to either produce incorrect output or segfault. Note that
237  * even though this works extremely well in practice, it's technically not guaranteed
238  * and false negatives is theoretically possible, but there can never be any false positives.
239  */
240 void checkasm_stack_clobber(uint64_t clobber, ...);
241 #define declare_new(ret, ...) ret (*checked_call)(void *, int, int, int, int, int, __VA_ARGS__)\
242  = (void *)checkasm_checked_call;
243 #define declare_new_float(ret, ...) ret (*checked_call)(void *, int, int, int, int, int, __VA_ARGS__)\
244  = (void *)checkasm_checked_call_float;
245 #define declare_new_emms(cpu_flags, ret, ...) \
246  ret (*checked_call)(void *, int, int, int, int, int, __VA_ARGS__) = \
247  ((cpu_flags) & av_get_cpu_flags()) ? (void *)checkasm_checked_call_emms : \
248  (void *)checkasm_checked_call;
249 #define CLOB (UINT64_C(0xdeadbeefdeadbeef))
250 #define call_new(...) (checkasm_set_signal_handler_state(1),\
251  checkasm_stack_clobber(CLOB,CLOB,CLOB,CLOB,CLOB,CLOB,CLOB,CLOB,CLOB,CLOB,CLOB,\
252  CLOB,CLOB,CLOB,CLOB,CLOB,CLOB,CLOB,CLOB,CLOB,CLOB),\
253  checked_call(func_new, 0, 0, 0, 0, 0, __VA_ARGS__));\
254  checkasm_set_signal_handler_state(0)
255 #elif ARCH_X86_32
256 #define declare_new(ret, ...) ret (*checked_call)(void *, __VA_ARGS__) = (void *)checkasm_checked_call;
257 #define declare_new_float(ret, ...) ret (*checked_call)(void *, __VA_ARGS__) = (void *)checkasm_checked_call_float;
258 #define declare_new_emms(cpu_flags, ret, ...) ret (*checked_call)(void *, __VA_ARGS__) = \
259  ((cpu_flags) & av_get_cpu_flags()) ? (void *)checkasm_checked_call_emms : \
260  (void *)checkasm_checked_call;
261 #define call_new(...)\
262  (checkasm_set_signal_handler_state(1),\
263  checked_call(func_new, __VA_ARGS__));\
264  checkasm_set_signal_handler_state(0)
265 #endif
266 #elif ARCH_ARM && HAVE_ARMV5TE_EXTERNAL
267 /* Use a dummy argument, to offset the real parameters by 2, not only 1.
268  * This makes sure that potential 8-byte-alignment of parameters is kept the same
269  * even when the extra parameters have been removed. */
270 void checkasm_checked_call_vfp(void *func, int dummy, ...);
271 void checkasm_checked_call_novfp(void *func, int dummy, ...);
272 extern void (*checkasm_checked_call)(void *func, int dummy, ...);
273 #define declare_new(ret, ...) ret (*checked_call)(void *, int dummy, __VA_ARGS__, \
274  int, int, int, int, int, int, int, int, \
275  int, int, int, int, int, int, int) = (void *)checkasm_checked_call;
276 #define call_new(...) \
277  (checkasm_set_signal_handler_state(1),\
278  checked_call(func_new, 0, __VA_ARGS__, 11, 10, 9, 8, 7, 6, 5, 4, 3, 2, 1, 0, 0, 0, 0));\
279  checkasm_set_signal_handler_state(0)
280 #elif ARCH_AARCH64 && !defined(__APPLE__)
281 void checkasm_stack_clobber(uint64_t clobber, ...);
282 void checkasm_checked_call(void *func, ...);
283 #define declare_new(ret, ...) ret (*checked_call)(void *, int, int, int, int, int, int, int, __VA_ARGS__,\
284  int, int, int, int, int, int, int, int,\
285  int, int, int, int, int, int, int)\
286  = (void *)checkasm_checked_call;
287 #define CLOB (UINT64_C(0xdeadbeefdeadbeef))
288 #define call_new(...) (checkasm_set_signal_handler_state(1),\
289  checkasm_stack_clobber(CLOB,CLOB,CLOB,CLOB,CLOB,CLOB,CLOB,CLOB,CLOB,CLOB,CLOB,CLOB,\
290  CLOB,CLOB,CLOB,CLOB,CLOB,CLOB,CLOB,CLOB,CLOB,CLOB,CLOB),\
291  checked_call(func_new, 0, 0, 0, 0, 0, 0, 0, __VA_ARGS__,\
292  7, 6, 5, 4, 3, 2, 1, 0, 0, 0, 0, 0, 0, 0, 0));\
293  checkasm_set_signal_handler_state(0)
294 #elif ARCH_RISCV
295 void checkasm_set_function(void *);
296 void *checkasm_get_wrapper(void);
297 
298 #if HAVE_RV && (__riscv_xlen == 64) && defined (__riscv_d)
299 #define declare_new(ret, ...) \
300  ret (*checked_call)(__VA_ARGS__) = checkasm_get_wrapper();
301 #define call_new(...) \
302  (checkasm_set_signal_handler_state(1),\
303  checkasm_set_function(func_new), checked_call(__VA_ARGS__));\
304  checkasm_set_signal_handler_state(0)
305 #else
306 #define declare_new(ret, ...)
307 #define call_new(...)\
308  (checkasm_set_signal_handler_state(1),\
309  ((func_type *)func_new)(__VA_ARGS__));\
310  checkasm_set_signal_handler_state(0)
311 #endif
312 #else
313 #define declare_new(ret, ...)
314 #define declare_new_float(ret, ...)
315 #define declare_new_emms(cpu_flags, ret, ...)
316 /* Call the function */
317 #define call_new(...)\
318  (checkasm_set_signal_handler_state(1),\
319  ((func_type *)func_new)(__VA_ARGS__));\
320  checkasm_set_signal_handler_state(0)
321 #endif
322 
323 #ifndef declare_new_emms
324 #define declare_new_emms(cpu_flags, ret, ...) declare_new(ret, __VA_ARGS__)
325 #endif
326 #ifndef declare_new_float
327 #define declare_new_float(ret, ...) declare_new(ret, __VA_ARGS__)
328 #endif
329 
330 typedef struct CheckasmPerf {
331  int sysfd;
332  uint64_t cycles;
333  int iterations;
334 } CheckasmPerf;
335 
336 #if defined(AV_READ_TIME) || CONFIG_LINUX_PERF || CONFIG_MACOS_KPERF
337 
338 #if CONFIG_LINUX_PERF
339 #define PERF_START(t) do { \
340  ioctl(sysfd, PERF_EVENT_IOC_RESET, 0); \
341  ioctl(sysfd, PERF_EVENT_IOC_ENABLE, 0); \
342 } while (0)
343 #define PERF_STOP(t) do { \
344  int ret; \
345  ioctl(sysfd, PERF_EVENT_IOC_DISABLE, 0); \
346  ret = read(sysfd, &t, sizeof(t)); \
347  (void)ret; \
348 } while (0)
349 #elif CONFIG_MACOS_KPERF
350 #define PERF_START(t) t = ff_kperf_cycles()
351 #define PERF_STOP(t) t = ff_kperf_cycles() - t
352 #else
353 #define PERF_START(t) t = AV_READ_TIME()
354 #define PERF_STOP(t) t = AV_READ_TIME() - t
355 #endif
356 
357 #define CALL4(...)\
358  do {\
359  tfunc(__VA_ARGS__); \
360  tfunc(__VA_ARGS__); \
361  tfunc(__VA_ARGS__); \
362  tfunc(__VA_ARGS__); \
363  } while (0)
364 
365 #define CALL16(...)\
366  do {\
367  CALL4(__VA_ARGS__); \
368  CALL4(__VA_ARGS__); \
369  CALL4(__VA_ARGS__); \
370  CALL4(__VA_ARGS__); \
371  } while (0)
372 
373 /* Benchmark the function */
374 #define bench_new(...)\
375  do {\
376  if (checkasm_bench_func()) {\
377  struct CheckasmPerf *perf = checkasm_get_perf_context();\
378  av_unused const int sysfd = perf->sysfd;\
379  func_type *tfunc = func_new;\
380  uint64_t tsum = 0;\
381  uint64_t ti, tcount = 0;\
382  uint64_t t = 0; \
383  const uint64_t truns = FFMAX(bench_runs >> 3, 1);\
384  checkasm_set_signal_handler_state(1);\
385  for (ti = 0; ti < truns; ti++) {\
386  PERF_START(t);\
387  CALL16(__VA_ARGS__);\
388  CALL16(__VA_ARGS__);\
389  PERF_STOP(t);\
390  if (t*tcount <= tsum*4 && ti > 0) {\
391  tsum += t;\
392  tcount++;\
393  }\
394  }\
395  emms_c();\
396  perf->cycles += tsum;\
397  perf->iterations += tcount;\
398  checkasm_set_signal_handler_state(0);\
399  }\
400  } while (0)
401 #else
402 #define bench_new(...) while(0)
403 #define PERF_START(t) while(0)
404 #define PERF_STOP(t) while(0)
405 #endif
406 
407 #define BUF_RECT(type, name, w, h) \
408  LOCAL_ALIGNED_32(type, name##_buf, [((h)+32)*(FFALIGN(w,64)+64) + 64]); \
409  av_unused ptrdiff_t name##_stride = sizeof(type)*(FFALIGN(w,64)+64); \
410  av_unused int name##_buf_h = (h)+32; \
411  type *name = name##_buf + (FFALIGN(w,64)+64)*16 + 64
412 
413 #define PIXEL_RECT(name, w, h) \
414  LOCAL_ALIGNED_32(uint8_t, name##_buf, [sizeof(uint16_t) * (((h)+32)*(FFALIGN(w,64)+64) + 64)],); \
415  av_unused ptrdiff_t name##_stride = sizeof(uint16_t) * (FFALIGN(w,64)+64); \
416  av_unused int name##_buf_h = (h)+32; \
417  uint8_t *name = name##_buf + (FFALIGN(w,64)+64)*16 + 64
418 
419 #define CLEAR_BUF_RECT(name) \
420  memset(name##_buf, 0x99, name##_stride * name##_buf_h + 64)
421 #define CLEAR_PIXEL_RECT(name) \
422  CLEAR_BUF_RECT(name)
423 
424 #define DECL_CHECKASM_CHECK_FUNC(type) \
425 int checkasm_check_##type(const char *file, int line, \
426  const type *buf1, ptrdiff_t stride1, \
427  const type *buf2, ptrdiff_t stride2, \
428  int w, int h, const char *name, \
429  int align_w, int align_h, \
430  int padding)
431 
432 DECL_CHECKASM_CHECK_FUNC(uint8_t);
433 DECL_CHECKASM_CHECK_FUNC(uint16_t);
434 DECL_CHECKASM_CHECK_FUNC(uint32_t);
435 DECL_CHECKASM_CHECK_FUNC(int16_t);
436 DECL_CHECKASM_CHECK_FUNC(int32_t);
437 
438 int checkasm_check_float_ulp(const char *file, int line,
439  const float *buf1, ptrdiff_t stride1,
440  const float *buf2, ptrdiff_t stride2,
441  int w, int h, const char *name,
442  unsigned max_ulp, int align_w, int align_h,
443  int padding);
444 
445 #define PASTE(a,b) a ## b
446 #define CONCAT(a,b) PASTE(a,b)
447 
448 #define checkasm_check2(prefix, ...) CONCAT(checkasm_check_, prefix)(__FILE__, __LINE__, __VA_ARGS__)
449 #define checkasm_check(prefix, ...) checkasm_check2(prefix, __VA_ARGS__, 0, 0, 0)
450 /* Check a pointer from BUF_RECT, checking whether there have been
451  * writes outside of the designated area. */
452 #define checkasm_check_padded(...) \
453  checkasm_check2(__VA_ARGS__, 1, 1, 8)
454 /* Check a pointer from BUF_RECT, checking whether there have been
455  * writes outside of the designated area. Allow writing slightly past the
456  * end of the buffer, by aligning w/h to align_w/align_h, and checking
457  * for overwrites outside of that. */
458 #define checkasm_check_padded_align(...) \
459  checkasm_check2(__VA_ARGS__, 8)
460 
461 /* This assumes that there is a local variable named "bit_depth".
462  * For tests that don't have that and only operate on a single
463  * bitdepth, just call checkasm_check(uint8_t, ...) directly. */
464 #define checkasm_check_pixel2(buf1, stride1, buf2, stride2, ...) \
465  ((bit_depth > 8) ? \
466  checkasm_check2(uint16_t, (const uint16_t*)buf1, stride1, \
467  (const uint16_t*)buf2, stride2, \
468  __VA_ARGS__) : \
469  checkasm_check2(uint8_t, (const uint8_t*) buf1, stride1, \
470  (const uint8_t*) buf2, stride2, \
471  __VA_ARGS__))
472 #define checkasm_check_pixel(...) \
473  checkasm_check_pixel2(__VA_ARGS__, 0, 0, 0)
474 #define checkasm_check_pixel_padded(...) \
475  checkasm_check_pixel2(__VA_ARGS__, 1, 1, 8)
476 #define checkasm_check_pixel_padded_align(...) \
477  checkasm_check_pixel2(__VA_ARGS__, 8)
478 
479 /* This assumes that there is a local variable named "bit_depth"
480  * and that the type-specific buffers obey the name ## _BITDEPTH
481  * convention.
482  * For tests that don't have that and only operate on a single
483  * bitdepth, just call checkasm_check(uint8_t, ...) directly. */
484 #define checkasm_check_dctcoef(buf1, stride1, buf2, stride2, ...) \
485  ((bit_depth > 8) ? \
486  checkasm_check(int32_t, buf1 ## _32, stride1, \
487  buf2 ## _32, stride2, \
488  __VA_ARGS__) : \
489  checkasm_check(int16_t, buf1 ## _16, stride1, \
490  buf2 ## _16, stride2, \
491  __VA_ARGS__))
492 
493 #endif /* TESTS_CHECKASM_CHECKASM_H */
checkasm_check_nlmeans
void checkasm_check_nlmeans(void)
Definition: vf_nlmeans.c:32
func
int(* func)(AVBPrint *dst, const char *in, const char *arg)
Definition: jacosubdec.c:66
checkasm_lfg
AVLFG checkasm_lfg
Definition: checkasm.c:451
checkasm_check_sw_gbrp
void checkasm_check_sw_gbrp(void)
Definition: sw_gbrp.c:398
checkasm_check_vp8dsp
void checkasm_check_vp8dsp(void)
Definition: vp8dsp.c:511
checkasm_check_idet
void checkasm_check_idet(void)
Definition: vf_idet.c:58
name
it s the only field you need to keep assuming you have a context There is some magic you don t need to care about around this just let it vf default minimum maximum flags name is the option name
Definition: writing_filters.txt:88
checkasm_check_fdctdsp
void checkasm_check_fdctdsp(void)
Definition: fdctdsp.c:67
checkasm_check_videodsp
void checkasm_check_videodsp(void)
Definition: videodsp.c:80
checkasm_check_vf_eq
void checkasm_check_vf_eq(void)
Definition: vf_eq.c:76
checkasm_check_dcadsp
void checkasm_check_dcadsp(void)
Definition: dcadsp.c:89
checkasm_check_v210dec
void checkasm_check_v210dec(void)
Definition: v210dec.c:47
checkasm_check_sw_yuv2yuv
void checkasm_check_sw_yuv2yuv(void)
Definition: sw_yuv2yuv.c:131
checkasm_check_aacencdsp
void checkasm_check_aacencdsp(void)
Definition: aacencdsp.c:100
av_unused
#define av_unused
Definition: attributes.h:151
checkasm_check_hevc_idct
void checkasm_check_hevc_idct(void)
Definition: hevc_idct.c:108
checkasm_check_sw_scale
void checkasm_check_sw_scale(void)
Definition: sw_scale.c:460
w
uint8_t w
Definition: llviddspenc.c:38
checkasm_bench_func
void int checkasm_bench_func(void)
Definition: checkasm.c:1116
b
#define b
Definition: input.c:42
func_ref
static av_unused void * func_ref
Definition: checkasm.h:194
checkasm_check_aes
void checkasm_check_aes(void)
Definition: aes.c:28
checkasm_check_aacpsdsp
void checkasm_check_aacpsdsp(void)
Definition: aacpsdsp.c:234
checkasm_check_vvc_sao
void checkasm_check_vvc_sao(void)
Definition: vvc_sao.c:134
checkasm_check_func
void * checkasm_check_func(void *func, const char *name,...) av_printf_format(2
CheckasmPerf::sysfd
int sysfd
Definition: checkasm.h:331
checkasm_check_alacdsp
void checkasm_check_alacdsp(void)
Definition: alacdsp.c:116
checkasm_check_llviddspenc
void checkasm_check_llviddspenc(void)
Definition: llviddspenc.c:104
double_near_abs_eps
int double_near_abs_eps(double a, double b, double eps)
Definition: checkasm.c:529
checkasm_check_h264dsp
void checkasm_check_h264dsp(void)
Definition: h264dsp.c:499
checkasm_check_ac3dsp
void checkasm_check_ac3dsp(void)
Definition: ac3dsp.c:193
checkasm_check_motion
void checkasm_check_motion(void)
Definition: motion.c:137
func_new
static av_unused void * func_new
Definition: checkasm.h:194
checkasm_check_h263dsp
void checkasm_check_h263dsp(void)
Definition: h263dsp.c:54
float_near_abs_eps_ulp
int float_near_abs_eps_ulp(float a, float b, float eps, unsigned max_ulp)
Definition: checkasm.c:512
CheckasmPerf
Definition: checkasm.h:330
dummy
int dummy
Definition: motion.c:64
checkasm_check_vp9dsp
void checkasm_check_vp9dsp(void)
Definition: vp9dsp.c:627
checkasm_check_vf_threshold
void checkasm_check_vf_threshold(void)
Definition: vf_threshold.c:79
checkasm_check_vf_gblur
void checkasm_check_vf_gblur(void)
Definition: vf_gblur.c:82
checkasm_check_vvc_mc
void checkasm_check_vvc_mc(void)
Definition: vvc_mc.c:471
checkasm_check_sw_yuv2rgb
void checkasm_check_sw_yuv2rgb(void)
Definition: sw_yuv2rgb.c:233
checkasm_report
void checkasm_report(const char *name,...) av_printf_format(1
checkasm_check_float_dsp
void checkasm_check_float_dsp(void)
Definition: float_dsp.c:297
double_near_abs_eps_array
int double_near_abs_eps_array(const double *a, const double *b, double eps, unsigned len)
Definition: checkasm.c:536
checkasm_get_perf_context
int struct CheckasmPerf * checkasm_get_perf_context(void)
Definition: checkasm.c:1163
checkasm_check_pixblockdsp
void checkasm_check_pixblockdsp(void)
Definition: pixblockdsp.c:82
checkasm_check_bswapdsp
void checkasm_check_bswapdsp(void)
Definition: bswapdsp.c:60
s
#define s(width, name)
Definition: cbs_vp9.c:198
checkasm_check_vf_bwdif
void checkasm_check_vf_bwdif(void)
Definition: vf_bwdif.c:72
lfg.h
checkasm_check_sw_rgb
void checkasm_check_sw_rgb(void)
Definition: sw_rgb.c:804
checkasm_check_hevc_sao
void checkasm_check_hevc_sao(void)
Definition: hevc_sao.c:136
checkasm_check_hevc_pel
void checkasm_check_hevc_pel(void)
Definition: hevc_pel.c:621
checkasm_fail_func
int checkasm_fail_func(const char *msg,...) av_printf_format(1
CheckasmPerf::iterations
int iterations
Definition: checkasm.h:333
checkasm_check_takdsp
void checkasm_check_takdsp(void)
Definition: takdsp.c:145
checkasm_check_sw_ops
void checkasm_check_sw_ops(void)
Definition: sw_ops.c:752
checkasm_check_fmtconvert
void checkasm_check_fmtconvert(void)
Definition: fmtconvert.c:46
checkasm_set_signal_handler_state
void void checkasm_set_signal_handler_state(int enabled)
Definition: checkasm.c:1144
macos_kperf.h
float_near_abs_eps_array
int float_near_abs_eps_array(const float *a, const float *b, float eps, unsigned len)
Definition: checkasm.c:500
av_printf_format
#define av_printf_format(fmtpos, attrpos)
Definition: attributes.h:205
float_near_abs_eps_array_ulp
int float_near_abs_eps_array_ulp(const float *a, const float *b, float eps, unsigned max_ulp, unsigned len)
Definition: checkasm.c:517
timer.h
checkasm_check_vorbisdsp
void checkasm_check_vorbisdsp(void)
Definition: vorbisdsp.c:76
checkasm_check_hpeldsp
void checkasm_check_hpeldsp(void)
Definition: hpeldsp.c:54
checkasm_check_rv40dsp
void checkasm_check_rv40dsp(void)
Definition: rv40dsp.c:71
c
Undefined Behavior In the C some operations are like signed integer dereferencing freed accessing outside allocated Undefined Behavior must not occur in a C it is not safe even if the output of undefined operations is unused The unsafety may seem nit picking but Optimizing compilers have in fact optimized code on the assumption that no undefined Behavior occurs Optimizing code based on wrong assumptions can and has in some cases lead to effects beyond the output of computations The signed integer overflow problem in speed critical code Code which is highly optimized and works with signed integers sometimes has the problem that often the output of the computation does not c
Definition: undefined.txt:32
checkasm_check_vc1dsp
void checkasm_check_vc1dsp(void)
Definition: vc1dsp.c:476
checkasm_check_h264chroma
void checkasm_check_h264chroma(void)
Definition: h264chroma.c:81
AVLFG
Context structure for the Lagged Fibonacci PRNG.
Definition: lfg.h:33
checkasm_check_llauddsp
void checkasm_check_llauddsp(void)
Definition: llauddsp.c:108
checkasm_context_buf
checkasm_context checkasm_context_buf
Definition: checkasm.c:772
cpu.h
checkasm_check_llviddsp
void checkasm_check_llviddsp(void)
Definition: llviddsp.c:195
checkasm_check_vp3dsp
void checkasm_check_vp3dsp(void)
Definition: vp3dsp.c:113
checkasm_check_diracdsp
void checkasm_check_diracdsp(void)
Definition: diracdsp.c:85
checkasm_check_h264pred
void checkasm_check_h264pred(void)
Definition: h264pred.c:233
a
The reader does not expect b to be semantically here and if the code is changed by maybe adding a a division or other the signedness will almost certainly be mistaken To avoid this confusion a new type was SUINT is the C unsigned type but it holds a signed int to use the same example SUINT a
Definition: undefined.txt:41
checkasm_check_huffyuvdsp
void checkasm_check_huffyuvdsp(void)
Definition: huffyuvdsp.c:95
line
Definition: graph2dot.c:48
CheckasmPerf::cycles
uint64_t cycles
Definition: checkasm.h:332
float_near_abs_eps
int float_near_abs_eps(float a, float b, float eps)
Definition: checkasm.c:489
checkasm_check_fixed_dsp
void checkasm_check_fixed_dsp(void)
Definition: fixed_dsp.c:133
checkasm_check_colorspace
void checkasm_check_colorspace(void)
Definition: vf_colorspace.c:309
checkasm_check_utvideodsp
void checkasm_check_utvideodsp(void)
Definition: utvideodsp.c:90
emms.h
checkasm_check_sw_range_convert
void checkasm_check_sw_range_convert(void)
Definition: sw_range_convert.c:224
checkasm_check_mpegvideoencdsp
void checkasm_check_mpegvideoencdsp(void)
Definition: mpegvideoencdsp.c:191
checkasm_check_flacdsp
void checkasm_check_flacdsp(void)
Definition: flacdsp.c:155
internal.h
checkasm_check_idctdsp
void checkasm_check_idctdsp(void)
Definition: idctdsp.c:95
checkasm_check_synth_filter
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Definition: synth_filter.c:47
checkasm_check_av_tx
void checkasm_check_av_tx(void)
Definition: av_tx.c:102
checkasm_check_blockdsp
void checkasm_check_blockdsp(void)
Definition: blockdsp.c:78
checkasm_check_lpc
void checkasm_check_lpc(void)
Definition: lpc.c:96
CONTEXT
#define CONTEXT
Definition: af_asetrate.c:32
len
int len
Definition: vorbis_enc_data.h:426
checkasm_check_g722dsp
void checkasm_check_g722dsp(void)
Definition: g722dsp.c:53
checkasm_check_svq1enc
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Definition: svq1enc.c:63
checkasm_check_vf_hflip
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Definition: vf_hflip.c:72
checkasm_check_lls
void checkasm_check_lls(void)
Definition: lls.c:84
checkasm_check_scene_sad
void checkasm_check_scene_sad(void)
Definition: scene_sad.c:66
checkasm_check_blend
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Definition: vf_blend.c:89
checkasm_check_afir
void checkasm_check_afir(void)
Definition: af_afir.c:144
checkasm_check_vf_fspp
void checkasm_check_vf_fspp(void)
Definition: vf_fspp.c:165
checkasm_check_h264qpel
void checkasm_check_h264qpel(void)
Definition: h264qpel.c:51
status
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checkasm_check_colordetect
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checkasm_check_vf_sobel
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checkasm_check_vp6dsp
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Definition: vp6dsp.c:39
checkasm_check_qpeldsp
void checkasm_check_qpeldsp(void)
Definition: qpeldsp.c:52
checkasm_check_blackdetect
void checkasm_check_blackdetect(void)
Definition: vf_blackdetect.c:62
checkasm_check_v210enc
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Definition: v210enc.c:83
checkasm_check_sbrdsp
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Definition: sbrdsp.c:257
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Definition: hevc_deblock.c:264
checkasm_handle_signal
int checkasm_handle_signal(int s)
Definition: checkasm.c:1148
DECL_CHECKASM_CHECK_FUNC
#define DECL_CHECKASM_CHECK_FUNC(type)
Definition: checkasm.h:424
checkasm_check_apv_dsp
void checkasm_check_apv_dsp(void)
Definition: apv_dsp.c:96
checkasm_check_jpeg2000dsp
void checkasm_check_jpeg2000dsp(void)
Definition: jpeg2000dsp.c:92
checkasm_check_float_ulp
int checkasm_check_float_ulp(const char *file, int line, const float *buf1, ptrdiff_t stride1, const float *buf2, ptrdiff_t stride2, int w, int h, const char *name, unsigned max_ulp, int align_w, int align_h, int padding)
Definition: checkasm.c:1307
checkasm_check_hevc_add_res
void checkasm_check_hevc_add_res(void)
Definition: hevc_add_res.c:87
int32_t
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Definition: audioconvert.c:56
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Definition: checkasm.h:75
checkasm_check_rv34dsp
void checkasm_check_rv34dsp(void)
Definition: rv34dsp.c:82
h
h
Definition: vp9dsp_template.c:2070
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void checkasm_check_cavsdsp(void)
Definition: cavsdsp.c:116
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uint64_t bench_runs
Definition: checkasm.c:111
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void checkasm_check_audiodsp(void)
Definition: audiodsp.c:52
float_near_ulp
int float_near_ulp(float a, float b, unsigned max_ulp)
Definition: checkasm.c:459
checkasm_check_vvc_alf
void checkasm_check_vvc_alf(void)
Definition: vvc_alf.c:178
checkasm_check_exrdsp
void checkasm_check_exrdsp(void)
Definition: exrdsp.c:77
float_near_ulp_array
int float_near_ulp_array(const float *a, const float *b, unsigned max_ulp, unsigned len)
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void checkasm_check_opusdsp(void)
Definition: opusdsp.c:86
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