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| Rev | Author | Line No. | Line |
|---|---|---|---|
| 4349 | Serge | 1 | /* |
| 2 | * Copyright (c) 2002 Fabrice Bellard |
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| 3 | * Copyright (c) 2013 Michael Niedermayer |
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| 4 | * Copyright (c) 2013 James Almer |
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| 5 | * |
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| 6 | * This file is part of FFmpeg. |
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| 7 | * |
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| 8 | * FFmpeg is free software; you can redistribute it and/or |
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| 9 | * modify it under the terms of the GNU Lesser General Public |
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| 10 | * License as published by the Free Software Foundation; either |
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| 11 | * version 2.1 of the License, or (at your option) any later version. |
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| 12 | * |
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| 13 | * FFmpeg is distributed in the hope that it will be useful, |
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| 14 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
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| 15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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| 16 | * Lesser General Public License for more details. |
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| 17 | * |
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| 18 | * You should have received a copy of the GNU Lesser General Public |
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| 19 | * License along with FFmpeg; if not, write to the Free Software |
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| 20 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
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| 21 | */ |
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| 22 | |||
| 23 | #include "config.h" |
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| 24 | #include "libavutil/error.h" |
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| 25 | #include "libavutil/hash.h" |
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| 26 | #include "libavutil/mem.h" |
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| 27 | |||
| 28 | #include |
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| 29 | #include |
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| 30 | #include |
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| 31 | #include |
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| 32 | |||
| 33 | #if HAVE_IO_H |
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| 34 | #include |
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| 35 | #endif |
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| 36 | #if HAVE_UNISTD_H |
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| 37 | #include |
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| 38 | #endif |
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| 39 | |||
| 40 | #define SIZE 65536 |
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| 41 | |||
| 42 | static struct AVHashContext *hash; |
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| 43 | static uint8_t *res; |
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| 44 | |||
| 45 | static void usage(void) |
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| 46 | { |
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| 47 | int i = 0; |
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| 48 | const char *name; |
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| 49 | |||
| 50 | printf("usage: ffhash [algorithm] [input]...\n"); |
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| 51 | printf("Supported hash algorithms:"); |
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| 52 | do { |
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| 53 | name = av_hash_names(i); |
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| 54 | if (name) |
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| 55 | printf(" %s", name); |
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| 56 | i++; |
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| 57 | } while(name); |
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| 58 | printf("\n"); |
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| 59 | } |
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| 60 | |||
| 61 | static void finish(void) |
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| 62 | { |
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| 63 | int i, len = av_hash_get_size(hash); |
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| 64 | |||
| 65 | printf("%s=0x", av_hash_get_name(hash)); |
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| 66 | av_hash_final(hash, res); |
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| 67 | for (i = 0; i < len; i++) |
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| 68 | printf("%02x", res[i]); |
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| 69 | } |
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| 70 | |||
| 71 | static int check(char *file) |
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| 72 | { |
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| 73 | uint8_t buffer[SIZE]; |
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| 74 | int fd, flags = O_RDONLY; |
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| 75 | int ret = 0; |
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| 76 | |||
| 77 | #ifdef O_BINARY |
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| 78 | flags |= O_BINARY; |
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| 79 | #endif |
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| 80 | if (file) fd = open(file, flags); |
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| 81 | else fd = 0; |
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| 82 | if (fd == -1) { |
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| 83 | printf("%s=OPEN-FAILED: %s:", av_hash_get_name(hash), strerror(errno)); |
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| 84 | ret = 1; |
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| 85 | goto end; |
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| 86 | } |
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| 87 | |||
| 88 | av_hash_init(hash); |
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| 89 | for (;;) { |
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| 90 | int size = read(fd, buffer, SIZE); |
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| 91 | if (size < 0) { |
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| 92 | close(fd); |
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| 93 | finish(); |
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| 94 | printf("+READ-FAILED: %s", strerror(errno)); |
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| 95 | ret = 2; |
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| 96 | goto end; |
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| 97 | } else if(!size) |
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| 98 | break; |
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| 99 | av_hash_update(hash, buffer, size); |
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| 100 | } |
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| 101 | close(fd); |
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| 102 | |||
| 103 | finish(); |
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| 104 | end: |
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| 105 | if (file) |
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| 106 | printf(" *%s", file); |
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| 107 | printf("\n"); |
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| 108 | |||
| 109 | return ret; |
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| 110 | } |
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| 111 | |||
| 112 | int main(int argc, char **argv) |
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| 113 | { |
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| 114 | int i; |
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| 115 | int ret = 0; |
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| 116 | |||
| 117 | if (argc == 1) { |
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| 118 | usage(); |
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| 119 | return 0; |
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| 120 | } |
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| 121 | |||
| 122 | if ((ret = av_hash_alloc(&hash, argv[1])) < 0) { |
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| 123 | switch(ret) { |
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| 124 | case AVERROR(EINVAL): |
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| 125 | printf("Invalid hash type: %s\n", argv[1]); |
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| 126 | break; |
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| 127 | case AVERROR(ENOMEM): |
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| 128 | printf("%s\n", strerror(errno)); |
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| 129 | break; |
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| 130 | } |
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| 131 | return 1; |
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| 132 | } |
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| 133 | res = av_malloc(av_hash_get_size(hash)); |
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| 134 | if (!res) { |
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| 135 | printf("%s\n", strerror(errno)); |
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| 136 | return 1; |
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| 137 | } |
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| 138 | |||
| 139 | for (i = 2; i < argc; i++) |
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| 140 | ret |= check(argv[i]); |
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| 141 | |||
| 142 | if (argc < 3) |
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| 143 | ret |= check(NULL); |
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| 144 | |||
| 145 | av_hash_freep(&hash); |
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| 146 | av_freep(&res); |
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| 147 | |||
| 148 | return ret; |
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| 149 | } |