| 1 | /* |
| 2 | * Copyright (c) 2003 Michael Niedermayer <michaelni@gmx.at> |
| 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 |
| 8 | * License 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 GNU |
| 14 | * Lesser General Public License for more details. |
| 15 | * |
| 16 | * You should have received a copy of the GNU Lesser General Public |
| 17 | * License along with FFmpeg; if not, write to the Free Software |
| 18 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
| 19 | */ |
| 20 | |
| 21 | #include <stdint.h> |
| 22 | #include <stdio.h> |
| 23 | |
| 24 | #include "libavutil/mem.h" |
| 25 | |
| 26 | #include "get_bits.h" |
| 27 | #include "golomb.h" |
| 28 | #include "put_bits.h" |
| 29 | |
| 30 | #define COUNT 8191 |
| 31 | #define SIZE (COUNT * 4) |
| 32 | |
| 33 | int main(void) |
| 34 | { |
| 35 | int i, ret = 0; |
| 36 | uint8_t *temp; |
| 37 | PutBitContext pb; |
| 38 | GetBitContext gb; |
| 39 | |
| 40 | temp = av_malloc(SIZE); |
| 41 | if (!temp) |
| 42 | return 2; |
| 43 | |
| 44 | init_put_bits(&pb, temp, SIZE); |
| 45 | for (i = 0; i < COUNT; i++) |
| 46 | set_ue_golomb(&pb, i); |
| 47 | flush_put_bits(&pb); |
| 48 | |
| 49 | init_get_bits(&gb, temp, 8 * SIZE); |
| 50 | for (i = 0; i < COUNT; i++) { |
| 51 | int j, s = show_bits(&gb, 25); |
| 52 | |
| 53 | j = get_ue_golomb(&gb); |
| 54 | if (j != i) { |
| 55 | fprintf(stderr, "get_ue_golomb: expected %d, got %d. bits: %7x\n", |
| 56 | i, j, s); |
| 57 | ret = 1; |
| 58 | } |
| 59 | } |
| 60 | |
| 61 | #define EXTEND(i) ((i) << 3 | (i) & 7) |
| 62 | init_put_bits(&pb, temp, SIZE); |
| 63 | for (i = 0; i < COUNT; i++) |
| 64 | set_ue_golomb(&pb, EXTEND(i)); |
| 65 | flush_put_bits(&pb); |
| 66 | |
| 67 | init_get_bits(&gb, temp, 8 * SIZE); |
| 68 | for (i = 0; i < COUNT; i++) { |
| 69 | int j, s = show_bits_long(&gb, 32); |
| 70 | |
| 71 | j = get_ue_golomb_long(&gb); |
| 72 | if (j != EXTEND(i)) { |
| 73 | fprintf(stderr, "get_ue_golomb_long: expected %d, got %d. " |
| 74 | "bits: %8x\n", EXTEND(i), j, s); |
| 75 | ret = 1; |
| 76 | } |
| 77 | } |
| 78 | |
| 79 | init_put_bits(&pb, temp, SIZE); |
| 80 | for (i = 0; i < COUNT; i++) |
| 81 | set_se_golomb(&pb, i - COUNT / 2); |
| 82 | flush_put_bits(&pb); |
| 83 | |
| 84 | init_get_bits(&gb, temp, 8 * SIZE); |
| 85 | for (i = 0; i < COUNT; i++) { |
| 86 | int j, s = show_bits(&gb, 25); |
| 87 | |
| 88 | j = get_se_golomb(&gb); |
| 89 | if (j != i - COUNT / 2) { |
| 90 | fprintf(stderr, "get_se_golomb: expected %d, got %d. bits: %7x\n", |
| 91 | i - COUNT / 2, j, s); |
| 92 | ret = 1; |
| 93 | } |
| 94 | } |
| 95 | |
| 96 | av_free(temp); |
| 97 | |
| 98 | return ret; |
| 99 | } |