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
avpicture_fill(AVPicture * picture,const uint8_t * ptr,enum AVPixelFormat pix_fmt,int width,int height)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
avpicture_layout(const AVPicture * src,enum AVPixelFormat pix_fmt,int width,int height,unsigned char * dest,int dest_size)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
avpicture_get_size(enum AVPixelFormat pix_fmt,int width,int height)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
avpicture_alloc(AVPicture * picture,enum AVPixelFormat pix_fmt,int width,int height)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
avpicture_free(AVPicture * picture)70 void avpicture_free(AVPicture *picture)
71 {
72 av_freep(&picture->data[0]);
73 }
74
av_picture_copy(AVPicture * dst,const AVPicture * src,enum AVPixelFormat pix_fmt,int width,int height)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