/src/ffmpeg/libavcodec/raw.c
Line | Count | Source |
1 | | /* |
2 | | * Raw Video Codec |
3 | | * Copyright (c) 2001 Fabrice Bellard |
4 | | * |
5 | | * This file is part of FFmpeg. |
6 | | * |
7 | | * FFmpeg is free software; you can redistribute it and/or |
8 | | * modify it under the terms of the GNU Lesser General Public |
9 | | * License as published by the Free Software Foundation; either |
10 | | * version 2.1 of the License, or (at your option) any later version. |
11 | | * |
12 | | * FFmpeg is distributed in the hope that it will be useful, |
13 | | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
14 | | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
15 | | * Lesser General Public License for more details. |
16 | | * |
17 | | * 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 | | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
20 | | */ |
21 | | |
22 | | /** |
23 | | * @file |
24 | | * Raw Video Codec |
25 | | */ |
26 | | |
27 | | #include "avcodec.h" |
28 | | #include "raw.h" |
29 | | #include "raw_pix_fmt_tags.h" |
30 | | |
31 | | unsigned int avcodec_pix_fmt_to_codec_tag(enum AVPixelFormat fmt) |
32 | 0 | { |
33 | 0 | const PixelFormatTag *tags = raw_pix_fmt_tags; |
34 | 0 | while (tags->pix_fmt >= 0) { |
35 | 0 | if (tags->pix_fmt == fmt) |
36 | 0 | return tags->fourcc; |
37 | 0 | tags++; |
38 | 0 | } |
39 | 0 | return 0; |
40 | 0 | } |
41 | | |
42 | | static const PixelFormatTag pix_fmt_bps_avi[] = { |
43 | | { AV_PIX_FMT_PAL8, 1 }, |
44 | | { AV_PIX_FMT_PAL8, 2 }, |
45 | | { AV_PIX_FMT_PAL8, 4 }, |
46 | | { AV_PIX_FMT_PAL8, 8 }, |
47 | | { AV_PIX_FMT_RGB444LE, 12 }, |
48 | | { AV_PIX_FMT_RGB555LE, 15 }, |
49 | | { AV_PIX_FMT_RGB555LE, 16 }, |
50 | | { AV_PIX_FMT_BGR24, 24 }, |
51 | | { AV_PIX_FMT_BGRA, 32 }, |
52 | | { AV_PIX_FMT_NONE, 0 }, |
53 | | }; |
54 | | |
55 | | static const PixelFormatTag pix_fmt_bps_mov[] = { |
56 | | { AV_PIX_FMT_PAL8, 1 }, |
57 | | { AV_PIX_FMT_PAL8, 2 }, |
58 | | { AV_PIX_FMT_PAL8, 4 }, |
59 | | { AV_PIX_FMT_PAL8, 8 }, |
60 | | { AV_PIX_FMT_RGB555BE, 16 }, |
61 | | { AV_PIX_FMT_RGB24, 24 }, |
62 | | { AV_PIX_FMT_ARGB, 32 }, |
63 | | { AV_PIX_FMT_PAL8, 33 }, |
64 | | { AV_PIX_FMT_NONE, 0 }, |
65 | | }; |
66 | | |
67 | | static enum AVPixelFormat find_pix_fmt(const PixelFormatTag *tags, |
68 | | unsigned int fourcc) |
69 | 0 | { |
70 | 0 | while (tags->pix_fmt != AV_PIX_FMT_NONE) { |
71 | 0 | if (tags->fourcc == fourcc) |
72 | 0 | return tags->pix_fmt; |
73 | 0 | tags++; |
74 | 0 | } |
75 | 0 | return AV_PIX_FMT_NONE; |
76 | 0 | } |
77 | | |
78 | | enum AVPixelFormat avpriv_pix_fmt_find(enum PixelFormatTagLists list, |
79 | | unsigned fourcc) |
80 | 0 | { |
81 | 0 | const PixelFormatTag *tags; |
82 | |
|
83 | 0 | switch (list) { |
84 | 0 | case PIX_FMT_LIST_RAW: |
85 | 0 | tags = raw_pix_fmt_tags; |
86 | 0 | break; |
87 | 0 | case PIX_FMT_LIST_AVI: |
88 | 0 | tags = pix_fmt_bps_avi; |
89 | 0 | break; |
90 | 0 | case PIX_FMT_LIST_MOV: |
91 | 0 | tags = pix_fmt_bps_mov; |
92 | 0 | break; |
93 | 0 | } |
94 | 0 | return find_pix_fmt(tags, fourcc); |
95 | 0 | } |