avformat/mov: Fix extradata memleak
[ffmpeg.git] / tools / crypto_bench.c
1 /*
2  * Copyright (c) 2013 Nicolas George
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 License
8  * 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
14  * GNU Lesser General Public License for more details.
15  *
16  * You should have received a copy of the GNU Lesser General Public License
17  * along 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 /* Optional external libraries; can be enabled using:
22  * make VERSUS=crypto+gcrypt+tomcrypt tools/crypto_bench */
23 #define USE_crypto           0x01    /* OpenSSL's libcrypto */
24 #define USE_gcrypt           0x02    /* GnuTLS's libgcrypt */
25 #define USE_tomcrypt         0x04    /* LibTomCrypt */
26
27 #include <stdlib.h>
28 #include <math.h>
29
30 #include "libavutil/avutil.h"
31 #include "libavutil/avstring.h"
32 #include "libavutil/crc.h"
33 #include "libavutil/intreadwrite.h"
34 #include "libavutil/timer.h"
35
36 #ifndef AV_READ_TIME
37 #define AV_READ_TIME(x) 0
38 #endif
39
40 #if HAVE_UNISTD_H
41 #include <unistd.h> /* for getopt */
42 #endif
43 #if !HAVE_GETOPT
44 #include "compat/getopt.c"
45 #endif
46
47 #define MAX_INPUT_SIZE 1048576
48 #define MAX_OUTPUT_SIZE 128
49
50 static const char *enabled_libs;
51 static const char *enabled_algos;
52 static unsigned specified_runs;
53
54 static const uint8_t *hardcoded_key = "FFmpeg is the best program ever.";
55
56 static void fatal_error(const char *tag)
57 {
58     av_log(NULL, AV_LOG_ERROR, "Fatal error: %s\n", tag);
59     exit(1);
60 }
61
62 struct hash_impl {
63     const char *lib;
64     const char *name;
65     void (*run)(uint8_t *output, const uint8_t *input, unsigned size);
66     const char *output;
67 };
68
69 /***************************************************************************
70  * lavu: libavutil
71  ***************************************************************************/
72
73 #include "libavutil/md5.h"
74 #include "libavutil/sha.h"
75 #include "libavutil/sha512.h"
76 #include "libavutil/ripemd.h"
77 #include "libavutil/aes.h"
78 #include "libavutil/blowfish.h"
79 #include "libavutil/camellia.h"
80 #include "libavutil/cast5.h"
81 #include "libavutil/des.h"
82 #include "libavutil/twofish.h"
83 #include "libavutil/rc4.h"
84 #include "libavutil/xtea.h"
85
86 #define IMPL_USE_lavu IMPL_USE
87
88 static void run_lavu_md5(uint8_t *output,
89                          const uint8_t *input, unsigned size)
90 {
91     av_md5_sum(output, input, size);
92 }
93
94 #define DEFINE_LAVU_MD(suffix, type, namespace, hsize)                       \
95 static void run_lavu_ ## suffix(uint8_t *output,                             \
96                                 const uint8_t *input, unsigned size)         \
97 {                                                                            \
98     static struct type *h;                                                   \
99     if (!h && !(h = av_ ## namespace ## _alloc()))                           \
100         fatal_error("out of memory");                                        \
101     av_ ## namespace ## _init(h, hsize);                                     \
102     av_ ## namespace ## _update(h, input, size);                             \
103     av_ ## namespace ## _final(h, output);                                   \
104 }
105
106 DEFINE_LAVU_MD(sha1,      AVSHA,    sha, 160);
107 DEFINE_LAVU_MD(sha256,    AVSHA,    sha, 256);
108 DEFINE_LAVU_MD(sha512,    AVSHA512, sha512, 512);
109 DEFINE_LAVU_MD(ripemd128, AVRIPEMD, ripemd, 128);
110 DEFINE_LAVU_MD(ripemd160, AVRIPEMD, ripemd, 160);
111
112 static void run_lavu_aes128(uint8_t *output,
113                             const uint8_t *input, unsigned size)
114 {
115     static struct AVAES *aes;
116     if (!aes && !(aes = av_aes_alloc()))
117         fatal_error("out of memory");
118     av_aes_init(aes, hardcoded_key, 128, 0);
119     av_aes_crypt(aes, output, input, size >> 4, NULL, 0);
120 }
121
122 static void run_lavu_blowfish(uint8_t *output,
123                               const uint8_t *input, unsigned size)
124 {
125     static struct AVBlowfish *blowfish;
126     if (!blowfish && !(blowfish = av_blowfish_alloc()))
127         fatal_error("out of memory");
128     av_blowfish_init(blowfish, hardcoded_key, 16);
129     av_blowfish_crypt(blowfish, output, input, size >> 3, NULL, 0);
130 }
131
132 static void run_lavu_camellia(uint8_t *output,
133                               const uint8_t *input, unsigned size)
134 {
135     static struct AVCAMELLIA *camellia;
136     if (!camellia && !(camellia = av_camellia_alloc()))
137         fatal_error("out of memory");
138     av_camellia_init(camellia, hardcoded_key, 128);
139     av_camellia_crypt(camellia, output, input, size >> 4, NULL, 0);
140 }
141
142 static void run_lavu_cast128(uint8_t *output,
143                              const uint8_t *input, unsigned size)
144 {
145     static struct AVCAST5 *cast;
146     if (!cast && !(cast = av_cast5_alloc()))
147         fatal_error("out of memory");
148     av_cast5_init(cast, hardcoded_key, 128);
149     av_cast5_crypt(cast, output, input, size >> 3, 0);
150 }
151
152 static void run_lavu_des(uint8_t *output,
153                               const uint8_t *input, unsigned size)
154 {
155     static struct AVDES *des;
156     if (!des && !(des = av_des_alloc()))
157         fatal_error("out of memory");
158     av_des_init(des, hardcoded_key, 64, 0);
159     av_des_crypt(des, output, input, size >> 3, NULL, 0);
160 }
161
162 static void run_lavu_twofish(uint8_t *output,
163                               const uint8_t *input, unsigned size)
164 {
165     static struct AVTWOFISH *twofish;
166     if (!twofish && !(twofish = av_twofish_alloc()))
167         fatal_error("out of memory");
168     av_twofish_init(twofish, hardcoded_key, 128);
169     av_twofish_crypt(twofish, output, input, size >> 4, NULL, 0);
170 }
171
172 static void run_lavu_rc4(uint8_t *output,
173                               const uint8_t *input, unsigned size)
174 {
175     static struct AVRC4 *rc4;
176     if (!rc4 && !(rc4 = av_rc4_alloc()))
177         fatal_error("out of memory");
178     av_rc4_init(rc4, hardcoded_key, 128, 0);
179     av_rc4_crypt(rc4, output, input, size, NULL, 0);
180 }
181
182 static void run_lavu_xtea(uint8_t *output,
183                               const uint8_t *input, unsigned size)
184 {
185     static struct AVXTEA *xtea;
186     if (!xtea && !(xtea = av_xtea_alloc()))
187         fatal_error("out of memory");
188     av_xtea_init(xtea, hardcoded_key);
189     av_xtea_crypt(xtea, output, input, size >> 3, NULL, 0);
190 }
191
192 /***************************************************************************
193  * crypto: OpenSSL's libcrypto
194  ***************************************************************************/
195
196 #if (USE_EXT_LIBS) & USE_crypto
197
198 #define OPENSSL_DISABLE_OLD_DES_SUPPORT
199 #include <openssl/md5.h>
200 #include <openssl/sha.h>
201 #include <openssl/ripemd.h>
202 #include <openssl/aes.h>
203 #include <openssl/blowfish.h>
204 #include <openssl/camellia.h>
205 #include <openssl/cast.h>
206 #include <openssl/des.h>
207 #include <openssl/rc4.h>
208
209 #define DEFINE_CRYPTO_WRAPPER(suffix, function)                              \
210 static void run_crypto_ ## suffix(uint8_t *output,                           \
211                                   const uint8_t *input, unsigned size)       \
212 {                                                                            \
213     function(input, size, output);                                           \
214 }
215
216 DEFINE_CRYPTO_WRAPPER(md5,       MD5)
217 DEFINE_CRYPTO_WRAPPER(sha1,      SHA1)
218 DEFINE_CRYPTO_WRAPPER(sha256,    SHA256)
219 DEFINE_CRYPTO_WRAPPER(sha512,    SHA512)
220 DEFINE_CRYPTO_WRAPPER(ripemd160, RIPEMD160)
221
222 static void run_crypto_aes128(uint8_t *output,
223                               const uint8_t *input, unsigned size)
224 {
225     AES_KEY aes;
226     unsigned i;
227
228     AES_set_encrypt_key(hardcoded_key, 128, &aes);
229     size -= 15;
230     for (i = 0; i < size; i += 16)
231         AES_encrypt(input + i, output + i, &aes);
232 }
233
234 static void run_crypto_blowfish(uint8_t *output,
235                                 const uint8_t *input, unsigned size)
236 {
237     BF_KEY blowfish;
238     unsigned i;
239
240     BF_set_key(&blowfish, 16, hardcoded_key);
241     for (i = 0; i < size; i += 8)
242         BF_ecb_encrypt(input + i, output + i, &blowfish, 1);
243 }
244
245 static void run_crypto_camellia(uint8_t *output,
246                                 const uint8_t *input, unsigned size)
247 {
248     CAMELLIA_KEY camellia;
249     unsigned i;
250
251     Camellia_set_key(hardcoded_key, 128, &camellia);
252     size -= 15;
253     for (i = 0; i < size; i += 16)
254         Camellia_ecb_encrypt(input + i, output + i, &camellia, 1);
255 }
256
257 static void run_crypto_cast128(uint8_t *output,
258                                const uint8_t *input, unsigned size)
259 {
260     CAST_KEY cast;
261     unsigned i;
262
263     CAST_set_key(&cast, 16, hardcoded_key);
264     for (i = 0; i < size; i += 8)
265         CAST_ecb_encrypt(input + i, output + i, &cast, 1);
266 }
267
268 static void run_crypto_des(uint8_t *output,
269                            const uint8_t *input, unsigned size)
270 {
271     DES_key_schedule des;
272     unsigned i;
273
274     DES_set_key(hardcoded_key, &des);
275     for (i = 0; i < size; i += 8)
276         DES_ecb_encrypt(input + i, output + i, &des, 1);
277 }
278
279 static void run_crypto_rc4(uint8_t *output,
280                                 const uint8_t *input, unsigned size)
281 {
282     RC4_KEY rc4;
283
284     RC4_set_key(&rc4, 16, hardcoded_key);
285     RC4(&rc4, size, input, output);
286 }
287
288 #define IMPL_USE_crypto(...) IMPL_USE(__VA_ARGS__)
289 #else
290 #define IMPL_USE_crypto(...) /* ignore */
291 #endif
292
293 /***************************************************************************
294  * gcrypt: GnuTLS's libgcrypt
295  ***************************************************************************/
296
297 #if (USE_EXT_LIBS) & USE_gcrypt
298
299 #include <gcrypt.h>
300
301 #define DEFINE_GCRYPT_WRAPPER(suffix, algo)                                  \
302 static void run_gcrypt_ ## suffix(uint8_t *output,                           \
303                                   const uint8_t *input, unsigned size)       \
304 {                                                                            \
305     gcry_md_hash_buffer(GCRY_MD_ ## algo, output, input, size);              \
306 }
307
308 DEFINE_GCRYPT_WRAPPER(md5,       MD5)
309 DEFINE_GCRYPT_WRAPPER(sha1,      SHA1)
310 DEFINE_GCRYPT_WRAPPER(sha256,    SHA256)
311 DEFINE_GCRYPT_WRAPPER(sha512,    SHA512)
312 DEFINE_GCRYPT_WRAPPER(ripemd160, RMD160)
313
314 #define DEFINE_GCRYPT_CYPHER_WRAPPER(suffix, cypher, sz)                            \
315 static void run_gcrypt_ ## suffix(uint8_t *output,                                  \
316                               const uint8_t *input, unsigned size)                  \
317 {                                                                                   \
318     static gcry_cipher_hd_t suffix;                                                 \
319     if (!suffix)                                                                    \
320         gcry_cipher_open(&suffix, GCRY_CIPHER_ ## cypher, GCRY_CIPHER_MODE_ECB, 0); \
321     gcry_cipher_setkey(suffix, hardcoded_key, sz);                                  \
322     gcry_cipher_encrypt(suffix, output, size, input, size);                         \
323 }
324
325 DEFINE_GCRYPT_CYPHER_WRAPPER(aes128,   AES128,      16)
326 DEFINE_GCRYPT_CYPHER_WRAPPER(blowfish, BLOWFISH,    16)
327 DEFINE_GCRYPT_CYPHER_WRAPPER(camellia, CAMELLIA128, 16)
328 DEFINE_GCRYPT_CYPHER_WRAPPER(cast128,  CAST5,       16)
329 DEFINE_GCRYPT_CYPHER_WRAPPER(des,      DES,         8)
330 DEFINE_GCRYPT_CYPHER_WRAPPER(twofish,  TWOFISH128,  16)
331
332 #define IMPL_USE_gcrypt(...) IMPL_USE(__VA_ARGS__)
333 #else
334 #define IMPL_USE_gcrypt(...) /* ignore */
335 #endif
336
337 /***************************************************************************
338  * tomcrypt: LibTomCrypt
339  ***************************************************************************/
340
341 #if (USE_EXT_LIBS) & USE_tomcrypt
342
343 #include <tomcrypt.h>
344
345 #define DEFINE_TOMCRYPT_WRAPPER(suffix, namespace, algo)                     \
346 static void run_tomcrypt_ ## suffix(uint8_t *output,                         \
347                                     const uint8_t *input, unsigned size)     \
348 {                                                                            \
349     hash_state md;                                                           \
350     namespace ## _init(&md);                                                 \
351     namespace ## _process(&md, input, size);                                 \
352     namespace ## _done(&md, output);                                         \
353 }
354
355 DEFINE_TOMCRYPT_WRAPPER(md5,       md5,    MD5)
356 DEFINE_TOMCRYPT_WRAPPER(sha1,      sha1,   SHA1)
357 DEFINE_TOMCRYPT_WRAPPER(sha256,    sha256, SHA256)
358 DEFINE_TOMCRYPT_WRAPPER(sha512,    sha512, SHA512)
359 DEFINE_TOMCRYPT_WRAPPER(ripemd128, rmd128, RIPEMD128)
360 DEFINE_TOMCRYPT_WRAPPER(ripemd160, rmd160, RIPEMD160)
361
362 static void run_tomcrypt_aes128(uint8_t *output,
363                                 const uint8_t *input, unsigned size)
364 {
365     symmetric_key aes;
366     unsigned i;
367
368     aes_setup(hardcoded_key, 16, 0, &aes);
369     size -= 15;
370     for (i = 0; i < size; i += 16)
371         aes_ecb_encrypt(input + i, output + i, &aes);
372 }
373
374 static void run_tomcrypt_blowfish(uint8_t *output,
375                                   const uint8_t *input, unsigned size)
376 {
377     symmetric_key blowfish;
378     unsigned i;
379
380     blowfish_setup(hardcoded_key, 16, 0, &blowfish);
381     for (i = 0; i < size; i += 8)
382         blowfish_ecb_encrypt(input + i, output + i, &blowfish);
383 }
384
385 static void run_tomcrypt_camellia(uint8_t *output,
386                                   const uint8_t *input, unsigned size)
387 {
388     symmetric_key camellia;
389     unsigned i;
390
391     camellia_setup(hardcoded_key, 16, 0, &camellia);
392     size -= 15;
393     for (i = 0; i < size; i += 16)
394         camellia_ecb_encrypt(input + i, output + i, &camellia);
395 }
396
397 static void run_tomcrypt_cast128(uint8_t *output,
398                                 const uint8_t *input, unsigned size)
399 {
400     symmetric_key cast;
401     unsigned i;
402
403     cast5_setup(hardcoded_key, 16, 0, &cast);
404     for (i = 0; i < size; i += 8)
405         cast5_ecb_encrypt(input + i, output + i, &cast);
406 }
407
408 static void run_tomcrypt_des(uint8_t *output,
409                              const uint8_t *input, unsigned size)
410 {
411     symmetric_key des;
412     unsigned i;
413
414     des_setup(hardcoded_key, 8, 0, &des);
415     for (i = 0; i < size; i += 8)
416         des_ecb_encrypt(input + i, output + i, &des);
417 }
418
419 static void run_tomcrypt_twofish(uint8_t *output,
420                                 const uint8_t *input, unsigned size)
421 {
422     symmetric_key twofish;
423     unsigned i;
424
425     twofish_setup(hardcoded_key, 16, 0, &twofish);
426     size -= 15;
427     for (i = 0; i < size; i += 16)
428         twofish_ecb_encrypt(input + i, output + i, &twofish);
429 }
430
431 static void run_tomcrypt_xtea(uint8_t *output,
432                               const uint8_t *input, unsigned size)
433 {
434     symmetric_key xtea;
435     unsigned i;
436
437     xtea_setup(hardcoded_key, 16, 0, &xtea);
438     for (i = 0; i < size; i += 8)
439         xtea_ecb_encrypt(input + i, output + i, &xtea);
440 }
441
442
443 #define IMPL_USE_tomcrypt(...) IMPL_USE(__VA_ARGS__)
444 #else
445 #define IMPL_USE_tomcrypt(...) /* ignore */
446 #endif
447
448 /***************************************************************************
449  * Driver code
450  ***************************************************************************/
451
452 static unsigned crc32(const uint8_t *data, unsigned size)
453 {
454     return av_crc(av_crc_get_table(AV_CRC_32_IEEE), 0, data, size);
455 }
456
457 static void run_implementation(const uint8_t *input, uint8_t *output,
458                                struct hash_impl *impl, unsigned size)
459 {
460     uint64_t t0, t1;
461     unsigned nruns = specified_runs ? specified_runs : (1 << 30) / size;
462     unsigned outlen = 0, outcrc = 0;
463     unsigned i, j, val;
464     double mtime, ttime = 0, ttime2 = 0, stime;
465     uint8_t outref[MAX_OUTPUT_SIZE];
466
467     if (enabled_libs  && !av_stristr(enabled_libs,  impl->lib) ||
468         enabled_algos && !av_stristr(enabled_algos, impl->name))
469         return;
470     if (!sscanf(impl->output, "crc:%x", &outcrc)) {
471         outlen = strlen(impl->output) / 2;
472         for (i = 0; i < outlen; i++) {
473             sscanf(impl->output + i * 2, "%02x", &val);
474             outref[i] = val;
475         }
476     }
477     for (i = 0; i < 8; i++) /* heat caches */
478         impl->run(output, input, size);
479     for (i = 0; i < nruns; i++) {
480         memset(output, 0, size); /* avoid leftovers from previous runs */
481         t0 = AV_READ_TIME();
482         impl->run(output, input, size);
483         t1 = AV_READ_TIME();
484         if (outlen ? memcmp(output, outref, outlen) :
485                      crc32(output, size) != outcrc) {
486             fprintf(stderr, "Expected: ");
487             if (outlen)
488                 for (j = 0; j < outlen; j++)
489                     fprintf(stderr, "%02x", output[j]);
490             else
491                 fprintf(stderr, "%08x", crc32(output, size));
492             fprintf(stderr, "\n");
493             fatal_error("output mismatch");
494         }
495         mtime = (double)(t1 - t0) / size;
496         ttime  += mtime;
497         ttime2 += mtime * mtime;
498     }
499
500     ttime  /= nruns;
501     ttime2 /= nruns;
502     stime = sqrt(ttime2 - ttime * ttime);
503     printf("%-10s %-12s size: %7d  runs: %6d  time: %8.3f +- %.3f\n",
504            impl->lib, impl->name, size, nruns, ttime, stime);
505     fflush(stdout);
506 }
507
508 #define IMPL_USE(lib, name, symbol, output) \
509     { #lib, name, run_ ## lib ## _ ## symbol, output },
510 #define IMPL(lib, ...) IMPL_USE_ ## lib(lib, __VA_ARGS__)
511 #define IMPL_ALL(...) \
512     IMPL(lavu,       __VA_ARGS__) \
513     IMPL(crypto,     __VA_ARGS__) \
514     IMPL(gcrypt,     __VA_ARGS__) \
515     IMPL(tomcrypt,   __VA_ARGS__)
516
517 struct hash_impl implementations[] = {
518     IMPL_ALL("MD5",        md5,       "aa26ff5b895356bcffd9292ba9f89e66")
519     IMPL_ALL("SHA-1",      sha1,      "1fd8bd1fa02f5b0fe916b0d71750726b096c5744")
520     IMPL_ALL("SHA-256",    sha256,    "14028ac673b3087e51a1d407fbf0df4deeec8f217119e13b07bf2138f93db8c5")
521     IMPL_ALL("SHA-512",    sha512,    "3afdd44a80d99af15c87bd724cb717243193767835ce866dd5d58c02d674bb57"
522                                       "7c25b9e118c200a189fcd5a01ef106a4e200061f3e97dbf50ba065745fd46bef")
523     IMPL(lavu,     "RIPEMD-128", ripemd128, "9ab8bfba2ddccc5d99c9d4cdfb844a5f")
524     IMPL(tomcrypt, "RIPEMD-128", ripemd128, "9ab8bfba2ddccc5d99c9d4cdfb844a5f")
525     IMPL_ALL("RIPEMD-160", ripemd160, "62a5321e4fc8784903bb43ab7752c75f8b25af00")
526     IMPL_ALL("AES-128",    aes128,    "crc:ff6bc888")
527     IMPL_ALL("CAMELLIA",   camellia,  "crc:7abb59a7")
528     IMPL_ALL("CAST-128",   cast128,   "crc:456aa584")
529     IMPL_ALL("BLOWFISH",   blowfish,  "crc:33e8aa74")
530     IMPL_ALL("DES",        des,       "crc:31291e0b")
531     IMPL(lavu,     "TWOFISH", twofish, "crc:9edbd5c1")
532     IMPL(gcrypt,   "TWOFISH", twofish, "crc:9edbd5c1")
533     IMPL(tomcrypt, "TWOFISH", twofish, "crc:9edbd5c1")
534     IMPL(lavu,     "RC4",     rc4,     "crc:538d37b2")
535     IMPL(crypto,   "RC4",     rc4,     "crc:538d37b2")
536     IMPL(lavu,     "XTEA",    xtea,    "crc:931fc270")
537     IMPL(tomcrypt, "XTEA",    xtea,    "crc:931fc270")
538 };
539
540 int main(int argc, char **argv)
541 {
542     uint8_t *input = av_malloc(MAX_INPUT_SIZE * 2);
543     uint8_t *output = input + MAX_INPUT_SIZE;
544     unsigned i, impl, size;
545     int opt;
546
547     while ((opt = getopt(argc, argv, "hl:a:r:")) != -1) {
548         switch (opt) {
549         case 'l':
550             enabled_libs = optarg;
551             break;
552         case 'a':
553             enabled_algos = optarg;
554             break;
555         case 'r':
556             specified_runs = strtol(optarg, NULL, 0);
557             break;
558         case 'h':
559         default:
560             fprintf(stderr, "Usage: %s [-l libs] [-a algos] [-r runs]\n",
561                     argv[0]);
562             if ((USE_EXT_LIBS)) {
563                 char buf[1024];
564                 snprintf(buf, sizeof(buf), "%s%s%s",
565                          ((USE_EXT_LIBS) & USE_crypto)   ? "+crypto"   : "",
566                          ((USE_EXT_LIBS) & USE_gcrypt)   ? "+gcrypt"   : "",
567                          ((USE_EXT_LIBS) & USE_tomcrypt) ? "+tomcrypt" : "");
568                 fprintf(stderr, "Built with the following external libraries:\n"
569                         "make VERSUS=%s\n", buf + 1);
570             } else {
571                 fprintf(stderr, "Built without external libraries; use\n"
572                         "make VERSUS=crypto+gcrypt+tomcrypt tools/crypto_bench\n"
573                         "to enable them.\n");
574             }
575             exit(opt != 'h');
576         }
577     }
578
579     if (!input)
580         fatal_error("out of memory");
581     for (i = 0; i < MAX_INPUT_SIZE; i += 4)
582         AV_WB32(input + i, i);
583
584     size = MAX_INPUT_SIZE;
585     for (impl = 0; impl < FF_ARRAY_ELEMS(implementations); impl++)
586         run_implementation(input, output, &implementations[impl], size);
587
588     av_free(input);
589
590     return 0;
591 }