From 9fca9c0316fe8d8e0bf941847015b85f65481899 Mon Sep 17 00:00:00 2001 From: Luca Barbato Date: Wed, 28 Feb 2007 03:37:54 +0000 Subject: Reverting stray commit part I Originally committed as revision 8157 to svn://svn.ffmpeg.org/ffmpeg/trunk --- libavutil/base64.c | 234 ----------------------------------------------------- 1 file changed, 234 deletions(-) delete mode 100644 libavutil/base64.c (limited to 'libavutil/base64.c') diff --git a/libavutil/base64.c b/libavutil/base64.c deleted file mode 100644 index 73f41bbcc2..0000000000 --- a/libavutil/base64.c +++ /dev/null @@ -1,234 +0,0 @@ -/* - * Base64.c - * Copyright (c) 2006 Ryan Martell. (rdm4@martellventures.com) - * - * This file is part of FFmpeg. - * - * FFmpeg is free software; you can redistribute it and/or - * modify it under the terms of the GNU Lesser General Public - * License as published by the Free Software Foundation; either - * version 2.1 of the License, or (at your option) any later version. - * - * FFmpeg is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * Lesser General Public License for more details. - * - * You should have received a copy of the GNU Lesser General Public - * License along with FFmpeg; if not, write to the Free Software - * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA - */ - -/** -* @file base64.c - * @brief Base64 Encode/Decode - * @author Ryan Martell (with lots of Michael) - */ - -#include "common.h" -#include "base64.h" - -/* ---------------- private code */ -static uint8_t map2[] = -{ - 0x3e, 0xff, 0xff, 0xff, 0x3f, 0x34, 0x35, 0x36, - 0x37, 0x38, 0x39, 0x3a, 0x3b, 0x3c, 0x3d, 0xff, - 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x00, 0x01, - 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09, - 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f, 0x10, 0x11, - 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, 0x18, 0x19, - 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x1a, 0x1b, - 0x1c, 0x1d, 0x1e, 0x1f, 0x20, 0x21, 0x22, 0x23, - 0x24, 0x25, 0x26, 0x27, 0x28, 0x29, 0x2a, 0x2b, - 0x2c, 0x2d, 0x2e, 0x2f, 0x30, 0x31, 0x32, 0x33 -}; - -int av_base64_decode(uint8_t * out, const char *in, int out_length) -{ - int i, v; - uint8_t *dst = out; - - v = 0; - for (i = 0; in[i] && in[i] != '='; i++) { - unsigned int index= in[i]-43; - if (index>=(sizeof(map2)/sizeof(map2[0])) || map2[index] == 0xff) - return -1; - v = (v << 6) + map2[index]; - if (i & 3) { - if (dst - out < out_length) { - *dst++ = v >> (6 - 2 * (i & 3)); - } - } - } - - return (dst - out); -} - -/***************************************************************************** -* b64_encode: stolen from VLC's http.c -* simplified by michael -* fixed edge cases and made it work from data (vs. strings) by ryan. -*****************************************************************************/ - -char *av_base64_encode(char *out, int out_len, uint8_t * src, int len) -{ - static const char b64[] = - "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/"; - char *dst; - unsigned i_bits = 0; - int i_shift = 0; - int bytes_remaining = len; - - if (len < UINT_MAX / 4 && out_len > (len * 4 / 3 + 12) && out) { - dst = out; - } else - return NULL; - - if (len) { // special edge case, what should we really do here? - while (bytes_remaining) { - i_bits = (i_bits << 8) + *src++; - bytes_remaining--; - i_shift += 8; - - do { - *dst++ = b64[(i_bits << 6 >> i_shift) & 0x3f]; - i_shift -= 6; - } while (i_shift > 6 || (bytes_remaining == 0 && i_shift > 0)); - } - while ((dst - out) & 3) - *dst++ = '='; - } - *dst = '\0'; - - return out; -} - -// #define TEST_BASE64 - -#ifdef TEST_BASE64 -#include "avutil.h" - -int b64test() -{ - int numerr = 0; - int len; - int numtest = 1; - uint8_t decode[1000]; - struct test { - void *data; - int len; - const char *result; - } *t, tests[] = { - { - "", 0, ""}, { - "1", 1, "MQ=="}, { - "22", 2, "MjI="}, { - "333", 3, "MzMz"}, { - "4444", 4, "NDQ0NA=="}, { - "55555", 5, "NTU1NTU="}, { - "abc:def", 7, "YWJjOmRlZg=="}, { - NULL} - }; - for (t = tests; t->data; t++) { - char *str; - int ret; - - av_log(NULL, AV_LOG_ERROR, "Encoding %s...\n", (char *) t->data); - str = av_malloc(t->len * 4 / 3 + 12); - ret = av_base64_encode(str, t->len * 4 / 3 + 12, t->data, t->len); - if (ret > 0) { - av_log(NULL, AV_LOG_ERROR, "Encoded to %s...\n", str); - if (strcmp(str, t->result) != 0) { - av_log(NULL, AV_LOG_ERROR, "failed test %d: %s != %s\n", - numtest, str, t->result); - numerr++; - } - av_free(str); - } - - av_log(NULL, AV_LOG_ERROR, "Done encoding, about to decode...\n"); - len = av_base64_decode(decode, t->result, sizeof(decode)); - if (len != t->len) { - av_log(NULL, AV_LOG_ERROR, "failed test %d: len %d != %d\n", - numtest, len, t->len); - numerr++; - } else if (memcmp(decode, t->data, t->len) != 0) { - av_log(NULL, AV_LOG_ERROR, "failed test %d: data\n", numtest); - numerr++; - } else { - av_log(NULL, AV_LOG_ERROR, "Decoded to %s\n", - (char *) t->data); - } - numtest++; - } - -#undef srand -#undef rand - - { - int test_count; - srand(123141); // time(NULL)); - for (test_count = 0; test_count < 100; test_count++) { - int size = rand() % 1024; - int ii, ret; - uint8_t *data; - char *encoded_result = av_malloc(size * 4 / 3 + 12); - - av_log(NULL, AV_LOG_ERROR, "Test %d: Size %d bytes...", - test_count, size); - data = (uint8_t *) av_malloc(size); - for (ii = 0; ii < size; ii++) { - data[ii] = rand() % 255; - } - - ret = av_base64_encode(encoded_result, size * 4 / 3 + 12, - data, size); - if (ret > 0) { - int decode_buffer_size = size + 10; // try without 10 as well - uint8_t *decode_buffer = av_malloc(decode_buffer_size); - if (decode_buffer) { - int decoded_size = - av_base64_decode(decode_buffer, encoded_result, - decode_buffer_size); - - if (decoded_size != size) { - av_log(NULL, AV_LOG_ERROR, - "Decoded/Encoded size mismatch (%d != %d)\n", - decoded_size, size); - } else { - if (memcmp(decode_buffer, data, decoded_size) == 0) { - av_log(NULL, AV_LOG_ERROR, "Passed!\n"); - } else { - av_log(NULL, AV_LOG_ERROR, - "Failed (Data differs)!\n"); - } - } - av_free(decode_buffer); - } - - av_free(encoded_result); - } - } - } - - // these are invalid strings, that it currently decodes (which it probably shouldn't?) - { - uint8_t str[32]; - if (av_base64_decode(str, "M=M=", sizeof(str)) != -1) { - av_log(NULL, AV_LOG_ERROR, - "failed test %d: successful decode of `M=M='\n", - numtest++); - numerr++; - } - if (av_base64_decode(str, "MQ===", sizeof(str)) != -1) { - av_log(NULL, AV_LOG_ERROR, - "failed test %d: successful decode of `MQ==='\n", - numtest++); - numerr++; - } - } - - return numerr; -} -#endif - -- cgit v1.2.3