Imported Debian version 2.5.3~trusty1
[deb_ffmpeg.git] / ffmpeg / libavcodec / avpicture.c
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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/colorspace.h"
33
34int avpicture_fill(AVPicture *picture, const uint8_t *ptr,
35 enum AVPixelFormat pix_fmt, int width, int height)
36{
37 return av_image_fill_arrays(picture->data, picture->linesize,
38 ptr, pix_fmt, width, height, 1);
39}
40
41int avpicture_layout(const AVPicture* src, enum AVPixelFormat pix_fmt, int width, int height,
42 unsigned char *dest, int dest_size)
43{
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);
47}
48
49int avpicture_get_size(enum AVPixelFormat pix_fmt, int width, int height)
50{
51 return av_image_get_buffer_size(pix_fmt, width, height, 1);
52}
53
54int avpicture_alloc(AVPicture *picture,
55 enum AVPixelFormat pix_fmt, int width, int height)
56{
57 int ret = av_image_alloc(picture->data, picture->linesize,
58 width, height, pix_fmt, 1);
59 if (ret < 0) {
60 memset(picture, 0, sizeof(AVPicture));
61 return ret;
62 }
63
64 return 0;
65}
66
67void avpicture_free(AVPicture *picture)
68{
f6fa7814 69 av_freep(&picture->data[0]);
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70}
71
72void av_picture_copy(AVPicture *dst, const AVPicture *src,
73 enum AVPixelFormat pix_fmt, int width, int height)
74{
75 av_image_copy(dst->data, dst->linesize, (const uint8_t **)src->data,
76 src->linesize, pix_fmt, width, height);
77}
78