blob: 56435f4fc945cb3b344180fe7bb3d0c3e95da2a3
| 1 | /* |
| 2 | * AVPicture management routines |
| 3 | * Copyright (c) 2001, 2002, 2003 Fabrice Bellard |
| 4 | * |
| 5 | * This file is part of FFmpeg. |
| 6 | * |
| 7 | * FFmpeg is free software; you can redistribute it and/or |
| 8 | * modify it under the terms of the GNU Lesser General Public |
| 9 | * License as published by the Free Software Foundation; either |
| 10 | * version 2.1 of the License, or (at your option) any later version. |
| 11 | * |
| 12 | * FFmpeg is distributed in the hope that it will be useful, |
| 13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| 15 | * Lesser General Public License for more details. |
| 16 | * |
| 17 | * You should have received a copy of the GNU Lesser General Public |
| 18 | * License along with FFmpeg; if not, write to the Free Software |
| 19 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
| 20 | */ |
| 21 | |
| 22 | /** |
| 23 | * @file |
| 24 | * AVPicture management routines |
| 25 | */ |
| 26 | |
| 27 | #include "avcodec.h" |
| 28 | #include "internal.h" |
| 29 | #include "libavutil/common.h" |
| 30 | #include "libavutil/pixdesc.h" |
| 31 | #include "libavutil/imgutils.h" |
| 32 | #include "libavutil/internal.h" |
| 33 | #include "libavutil/colorspace.h" |
| 34 | |
| 35 | #if FF_API_AVPICTURE |
| 36 | FF_DISABLE_DEPRECATION_WARNINGS |
| 37 | int avpicture_fill(AVPicture *picture, const uint8_t *ptr, |
| 38 | enum AVPixelFormat pix_fmt, int width, int height) |
| 39 | { |
| 40 | return av_image_fill_arrays(picture->data, picture->linesize, |
| 41 | ptr, pix_fmt, width, height, 1); |
| 42 | } |
| 43 | |
| 44 | int avpicture_layout(const AVPicture* src, enum AVPixelFormat pix_fmt, int width, int height, |
| 45 | unsigned char *dest, int dest_size) |
| 46 | { |
| 47 | return av_image_copy_to_buffer(dest, dest_size, |
| 48 | (const uint8_t * const*)src->data, src->linesize, |
| 49 | pix_fmt, width, height, 1); |
| 50 | } |
| 51 | |
| 52 | int avpicture_get_size(enum AVPixelFormat pix_fmt, int width, int height) |
| 53 | { |
| 54 | return av_image_get_buffer_size(pix_fmt, width, height, 1); |
| 55 | } |
| 56 | |
| 57 | int avpicture_alloc(AVPicture *picture, |
| 58 | enum AVPixelFormat pix_fmt, int width, int height) |
| 59 | { |
| 60 | int ret = av_image_alloc(picture->data, picture->linesize, |
| 61 | width, height, pix_fmt, 1); |
| 62 | if (ret < 0) { |
| 63 | memset(picture, 0, sizeof(AVPicture)); |
| 64 | return ret; |
| 65 | } |
| 66 | |
| 67 | return 0; |
| 68 | } |
| 69 | |
| 70 | void avpicture_free(AVPicture *picture) |
| 71 | { |
| 72 | av_freep(&picture->data[0]); |
| 73 | } |
| 74 | |
| 75 | void av_picture_copy(AVPicture *dst, const AVPicture *src, |
| 76 | enum AVPixelFormat pix_fmt, int width, int height) |
| 77 | { |
| 78 | av_image_copy(dst->data, dst->linesize, (const uint8_t **)src->data, |
| 79 | src->linesize, pix_fmt, width, height); |
| 80 | } |
| 81 | FF_ENABLE_DEPRECATION_WARNINGS |
| 82 | #endif /* FF_API_AVPICTURE */ |
| 83 |