/*
  * 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_free(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);
 }