| Line | Branch | Exec | Source |
|---|---|---|---|
| 1 | /* | ||
| 2 | * Copyright 2023 Elias Carotti <eliascrt at amazon dot it> | ||
| 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 <string.h> | ||
| 22 | |||
| 23 | #include "avstring.h" | ||
| 24 | #include "frame.h" | ||
| 25 | #include "macros.h" | ||
| 26 | #include "mem.h" | ||
| 27 | #include "video_hint.h" | ||
| 28 | |||
| 29 | ✗ | AVVideoHint *av_video_hint_alloc(size_t nb_rects, | |
| 30 | size_t *out_size) | ||
| 31 | { | ||
| 32 | struct TestStruct { | ||
| 33 | AVVideoHint hint; | ||
| 34 | AVVideoRect rect; | ||
| 35 | }; | ||
| 36 | ✗ | const size_t rect_offset = offsetof(struct TestStruct, rect); | |
| 37 | ✗ | size_t size = rect_offset; | |
| 38 | AVVideoHint *hint; | ||
| 39 | |||
| 40 | ✗ | *out_size = 0; | |
| 41 | ✗ | if (nb_rects > (SIZE_MAX - size) / sizeof(AVVideoRect)) | |
| 42 | ✗ | return NULL; | |
| 43 | ✗ | size += sizeof(AVVideoRect) * nb_rects; | |
| 44 | |||
| 45 | ✗ | hint = av_mallocz(size); | |
| 46 | ✗ | if (!hint) | |
| 47 | ✗ | return NULL; | |
| 48 | |||
| 49 | ✗ | hint->nb_rects = nb_rects; | |
| 50 | ✗ | hint->rect_offset = rect_offset; | |
| 51 | ✗ | hint->rect_size = sizeof(AVVideoRect); | |
| 52 | |||
| 53 | ✗ | *out_size = size; | |
| 54 | |||
| 55 | ✗ | return hint; | |
| 56 | } | ||
| 57 | |||
| 58 | ✗ | AVVideoHint *av_video_hint_create_side_data(AVFrame *frame, | |
| 59 | size_t nb_rects) | ||
| 60 | { | ||
| 61 | AVVideoHint *hint; | ||
| 62 | AVBufferRef *buf; | ||
| 63 | ✗ | size_t size = 0; | |
| 64 | |||
| 65 | ✗ | hint = av_video_hint_alloc(nb_rects, &size); | |
| 66 | ✗ | if (!hint) | |
| 67 | ✗ | return NULL; | |
| 68 | |||
| 69 | ✗ | buf = av_buffer_create((uint8_t *)hint, size, NULL, NULL, 0); | |
| 70 | ✗ | if (!buf) { | |
| 71 | ✗ | av_freep(&hint); | |
| 72 | ✗ | return NULL; | |
| 73 | } | ||
| 74 | |||
| 75 | ✗ | if (!av_frame_new_side_data_from_buf(frame, AV_FRAME_DATA_VIDEO_HINT, buf)) { | |
| 76 | ✗ | av_buffer_unref(&buf); | |
| 77 | ✗ | return NULL; | |
| 78 | } | ||
| 79 | |||
| 80 | ✗ | return hint; | |
| 81 | } | ||
| 82 |