mirror of
https://github.com/xenia-project/FFmpeg.git
synced 2024-11-24 20:19:55 +00:00
79 lines
2.5 KiB
C
79 lines
2.5 KiB
C
/*
|
|
* AVPicture management routines
|
|
* Copyright (c) 2001, 2002, 2003 Fabrice Bellard
|
|
*
|
|
* This file is part of FFmpeg.
|
|
*
|
|
* FFmpeg is free software; you can redistribute it and/or
|
|
* 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.
|
|
*
|
|
* FFmpeg is distributed in the hope that it will be useful,
|
|
* 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
|
|
* License along with FFmpeg; if not, write to the Free Software
|
|
* 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"
|
|
#include "libavutil/colorspace.h"
|
|
|
|
int avpicture_fill(AVPicture *picture, const uint8_t *ptr,
|
|
enum AVPixelFormat pix_fmt, int width, int height)
|
|
{
|
|
return av_image_fill_arrays(picture->data, picture->linesize,
|
|
ptr, pix_fmt, width, height, 1);
|
|
}
|
|
|
|
int avpicture_layout(const AVPicture* src, enum AVPixelFormat pix_fmt, int width, int height,
|
|
unsigned char *dest, int dest_size)
|
|
{
|
|
return av_image_copy_to_buffer(dest, dest_size,
|
|
(const uint8_t * const*)src->data, src->linesize,
|
|
pix_fmt, width, height, 1);
|
|
}
|
|
|
|
int avpicture_get_size(enum AVPixelFormat pix_fmt, int width, int height)
|
|
{
|
|
return av_image_get_buffer_size(pix_fmt, width, height, 1);
|
|
}
|
|
|
|
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)
|
|
{
|
|
av_freep(&picture->data[0]);
|
|
}
|
|
|
|
void av_picture_copy(AVPicture *dst, const AVPicture *src,
|
|
enum AVPixelFormat pix_fmt, int width, int height)
|
|
{
|
|
av_image_copy(dst->data, dst->linesize, (const uint8_t **)src->data,
|
|
src->linesize, pix_fmt, width, height);
|
|
}
|
|
|