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| Rev | Author | Line No. | Line |
|---|---|---|---|
| 6148 | serge | 1 | /* |
| 2 | * AVPicture management routines |
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| 3 | * Copyright (c) 2001, 2002, 2003 Fabrice Bellard |
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| 4 | * |
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| 5 | * This file is part of FFmpeg. |
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| 6 | * |
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| 7 | * FFmpeg is free software; you can redistribute it and/or |
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| 8 | * modify it under the terms of the GNU Lesser General Public |
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| 9 | * License as published by the Free Software Foundation; either |
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| 10 | * version 2.1 of the License, or (at your option) any later version. |
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| 11 | * |
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| 12 | * FFmpeg is distributed in the hope that it will be useful, |
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| 13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
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| 14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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| 15 | * Lesser General Public License for more details. |
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| 16 | * |
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| 17 | * You should have received a copy of the GNU Lesser General Public |
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| 18 | * License along with FFmpeg; if not, write to the Free Software |
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| 19 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
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| 20 | */ |
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| 21 | |||
| 22 | /** |
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| 23 | * @file |
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| 24 | * AVPicture management routines |
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| 25 | */ |
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| 26 | |||
| 27 | #include "avcodec.h" |
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| 28 | #include "internal.h" |
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| 29 | #include "libavutil/common.h" |
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| 30 | #include "libavutil/pixdesc.h" |
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| 31 | #include "libavutil/imgutils.h" |
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| 32 | #include "libavutil/colorspace.h" |
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| 33 | |||
| 34 | int avpicture_fill(AVPicture *picture, const uint8_t *ptr, |
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| 35 | enum AVPixelFormat pix_fmt, int width, int height) |
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| 36 | { |
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| 37 | return av_image_fill_arrays(picture->data, picture->linesize, |
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| 38 | ptr, pix_fmt, width, height, 1); |
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| 39 | } |
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| 40 | |||
| 41 | int avpicture_layout(const AVPicture* src, enum AVPixelFormat pix_fmt, int width, int height, |
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| 42 | unsigned char *dest, int dest_size) |
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| 43 | { |
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| 44 | return av_image_copy_to_buffer(dest, dest_size, |
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| 45 | (const uint8_t * const*)src->data, src->linesize, |
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| 46 | pix_fmt, width, height, 1); |
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| 47 | } |
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| 48 | |||
| 49 | int avpicture_get_size(enum AVPixelFormat pix_fmt, int width, int height) |
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| 50 | { |
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| 51 | return av_image_get_buffer_size(pix_fmt, width, height, 1); |
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| 52 | } |
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| 53 | |||
| 54 | int avpicture_alloc(AVPicture *picture, |
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| 55 | enum AVPixelFormat pix_fmt, int width, int height) |
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| 56 | { |
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| 57 | int ret = av_image_alloc(picture->data, picture->linesize, |
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| 58 | width, height, pix_fmt, 1); |
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| 59 | if (ret < 0) { |
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| 60 | memset(picture, 0, sizeof(AVPicture)); |
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| 61 | return ret; |
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| 62 | } |
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| 63 | |||
| 64 | return 0; |
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| 65 | } |
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| 66 | |||
| 67 | void avpicture_free(AVPicture *picture) |
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| 68 | { |
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| 69 | av_free(picture->data[0]); |
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| 70 | } |
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| 71 | |||
| 72 | void av_picture_copy(AVPicture *dst, const AVPicture *src, |
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| 73 | enum AVPixelFormat pix_fmt, int width, int height) |
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| 74 | { |
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| 75 | av_image_copy(dst->data, dst->linesize, (const uint8_t **)src->data, |
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| 76 | src->linesize, pix_fmt, width, height); |
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| 77 | } |
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| 78 |