avpicture.c 2.61 KB
Newer Older
1 2 3 4
/*
 * AVPicture management routines
 * Copyright (c) 2001, 2002, 2003 Fabrice Bellard
 *
5
 * This file is part of FFmpeg.
6
 *
7
 * FFmpeg is free software; you can redistribute it and/or
8 9 10 11
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * 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 14 15 16 17
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Lesser General Public License for more details.
 *
 * 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 20 21 22 23 24 25 26 27 28 29 30 31
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
 */

/**
 * @file
 * AVPicture management routines
 */

#include "avcodec.h"
#include "internal.h"
#include "libavutil/common.h"
#include "libavutil/pixdesc.h"
#include "libavutil/imgutils.h"
32
#include "libavutil/internal.h"
33 34
#include "libavutil/colorspace.h"

35
#if FF_API_AVPICTURE
36
FF_DISABLE_DEPRECATION_WARNINGS
37
int avpicture_fill(AVPicture *picture, const uint8_t *ptr,
38 39
                   enum AVPixelFormat pix_fmt, int width, int height)
{
40 41
    return av_image_fill_arrays(picture->data, picture->linesize,
                                ptr, pix_fmt, width, height, 1);
42 43
}

44
int avpicture_layout(const AVPicture* src, enum AVPixelFormat pix_fmt, int width, int height,
45 46
                     unsigned char *dest, int dest_size)
{
47 48 49
    return av_image_copy_to_buffer(dest, dest_size,
                                   (const uint8_t * const*)src->data, src->linesize,
                                   pix_fmt, width, height, 1);
50 51 52 53
}

int avpicture_get_size(enum AVPixelFormat pix_fmt, int width, int height)
{
54
    return av_image_get_buffer_size(pix_fmt, width, height, 1);
55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71
}

int avpicture_alloc(AVPicture *picture,
                    enum AVPixelFormat pix_fmt, int width, int height)
{
    int ret = av_image_alloc(picture->data, picture->linesize,
                             width, height, pix_fmt, 1);
    if (ret < 0) {
        memset(picture, 0, sizeof(AVPicture));
        return ret;
    }

    return 0;
}

void avpicture_free(AVPicture *picture)
{
72
    av_freep(&picture->data[0]);
73 74 75 76 77
}

void av_picture_copy(AVPicture *dst, const AVPicture *src,
                     enum AVPixelFormat pix_fmt, int width, int height)
{
78
    av_image_copy(dst->data, dst->linesize, (const uint8_t **)src->data,
79 80
                  src->linesize, pix_fmt, width, height);
}
81
FF_ENABLE_DEPRECATION_WARNINGS
82
#endif /* FF_API_AVPICTURE */