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4349 | 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 |