2 * AVPicture management routines
3 * Copyright (c) 2001, 2002, 2003 Fabrice Bellard
5 * This file is part of FFmpeg.
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.
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.
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
24 * AVPicture management routines
29 #include "libavutil/common.h"
30 #include "libavutil/pixdesc.h"
31 #include "libavutil/imgutils.h"
32 #include "libavutil/colorspace.h"
34 int avpicture_fill(AVPicture
*picture
, const uint8_t *ptr
,
35 enum AVPixelFormat pix_fmt
, int width
, int height
)
37 return av_image_fill_arrays(picture
->data
, picture
->linesize
,
38 ptr
, pix_fmt
, width
, height
, 1);
41 int avpicture_layout(const AVPicture
* src
, enum AVPixelFormat pix_fmt
, int width
, int height
,
42 unsigned char *dest
, int dest_size
)
44 return av_image_copy_to_buffer(dest
, dest_size
,
45 (const uint8_t * const*)src
->data
, src
->linesize
,
46 pix_fmt
, width
, height
, 1);
49 int avpicture_get_size(enum AVPixelFormat pix_fmt
, int width
, int height
)
51 return av_image_get_buffer_size(pix_fmt
, width
, height
, 1);
54 int avpicture_alloc(AVPicture
*picture
,
55 enum AVPixelFormat pix_fmt
, int width
, int height
)
57 int ret
= av_image_alloc(picture
->data
, picture
->linesize
,
58 width
, height
, pix_fmt
, 1);
60 memset(picture
, 0, sizeof(AVPicture
));
67 void avpicture_free(AVPicture
*picture
)
69 av_freep(&picture
->data
[0]);
72 void av_picture_copy(AVPicture
*dst
, const AVPicture
*src
,
73 enum AVPixelFormat pix_fmt
, int width
, int height
)
75 av_image_copy(dst
->data
, dst
->linesize
, (const uint8_t **)src
->data
,
76 src
->linesize
, pix_fmt
, width
, height
);