| Line | Branch | Exec | Source |
|---|---|---|---|
| 1 | /* | ||
| 2 | * Copyright (c) 2014 Vittorio Giovara <vittorio.giovara@gmail.com> | ||
| 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 <stdio.h> | ||
| 22 | #include "libavutil/display.c" | ||
| 23 | |||
| 24 | 4 | static void print_matrix(int32_t matrix[9]) | |
| 25 | { | ||
| 26 | int i, j; | ||
| 27 | |||
| 28 |
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16 | for (i = 0; i < 3; ++i) { |
| 29 |
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36 | for (j = 0; j < 3 - 1; ++j) |
| 30 | 24 | printf("%d ", matrix[i*3 + j]); | |
| 31 | |||
| 32 | 12 | printf("%d\n", matrix[i*3 + j]); | |
| 33 | } | ||
| 34 | 4 | } | |
| 35 | |||
| 36 | 1 | int main(void) | |
| 37 | { | ||
| 38 | int32_t matrix[9]; | ||
| 39 | |||
| 40 | // Set the matrix to 90 degrees | ||
| 41 | 1 | av_display_rotation_set(matrix, 90); | |
| 42 | 1 | print_matrix(matrix); | |
| 43 | 1 | printf("degrees: %f\n", av_display_rotation_get(matrix)); | |
| 44 | |||
| 45 | // Set the matrix to -45 degrees | ||
| 46 | 1 | av_display_rotation_set(matrix, -45); | |
| 47 | 1 | print_matrix(matrix); | |
| 48 | 1 | printf("degrees: %f\n", av_display_rotation_get(matrix)); | |
| 49 | |||
| 50 | // flip horizontal | ||
| 51 | 1 | av_display_matrix_flip(matrix, 1, 0); | |
| 52 | 1 | print_matrix(matrix); | |
| 53 | 1 | printf("degrees: %f\n", av_display_rotation_get(matrix)); | |
| 54 | |||
| 55 | // flip vertical | ||
| 56 | 1 | av_display_matrix_flip(matrix, 0, 1); | |
| 57 | 1 | print_matrix(matrix); | |
| 58 | 1 | printf("degrees: %f\n", av_display_rotation_get(matrix)); | |
| 59 | |||
| 60 | 1 | return 0; | |
| 61 | |||
| 62 | } | ||
| 63 |