blob: 13544cf5739595a8f62c28c17d09a51e2ecb0982
1 | /* |
2 | * Copyright (c) 2013 Georg Martius <georg dot martius at web dot de> |
3 | * |
4 | * This file is part of FFmpeg. |
5 | * |
6 | * FFmpeg is free software; you can redistribute it and/or |
7 | * modify it under the terms of the GNU Lesser General Public |
8 | * License as published by the Free Software Foundation; either |
9 | * version 2.1 of the License, or (at your option) any later version. |
10 | * |
11 | * FFmpeg is distributed in the hope that it will be useful, |
12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
14 | * Lesser General Public License for more details. |
15 | * |
16 | * You should have received a copy of the GNU Lesser General Public |
17 | * License along with FFmpeg; if not, write to the Free Software |
18 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
19 | */ |
20 | |
21 | #include "vidstabutils.h" |
22 | |
23 | /** convert AV's pixelformat to vid.stab pixelformat */ |
24 | VSPixelFormat ff_av2vs_pixfmt(AVFilterContext *ctx, enum AVPixelFormat pf) |
25 | { |
26 | switch (pf) { |
27 | case AV_PIX_FMT_YUV420P: return PF_YUV420P; |
28 | case AV_PIX_FMT_YUV422P: return PF_YUV422P; |
29 | case AV_PIX_FMT_YUV444P: return PF_YUV444P; |
30 | case AV_PIX_FMT_YUV410P: return PF_YUV410P; |
31 | case AV_PIX_FMT_YUV411P: return PF_YUV411P; |
32 | case AV_PIX_FMT_YUV440P: return PF_YUV440P; |
33 | case AV_PIX_FMT_YUVA420P: return PF_YUVA420P; |
34 | case AV_PIX_FMT_GRAY8: return PF_GRAY8; |
35 | case AV_PIX_FMT_RGB24: return PF_RGB24; |
36 | case AV_PIX_FMT_BGR24: return PF_BGR24; |
37 | case AV_PIX_FMT_RGBA: return PF_RGBA; |
38 | default: |
39 | av_log(ctx, AV_LOG_ERROR, "cannot deal with pixel format %i\n", pf); |
40 | return PF_NONE; |
41 | } |
42 | } |
43 | |
44 | /** struct to hold a valid context for logging from within vid.stab lib */ |
45 | typedef struct { |
46 | const AVClass *class; |
47 | } VS2AVLogCtx; |
48 | |
49 | /** wrapper to log vs_log into av_log */ |
50 | static int vs2av_log(int type, const char *tag, const char *format, ...) |
51 | { |
52 | va_list ap; |
53 | VS2AVLogCtx ctx; |
54 | AVClass class = { |
55 | .class_name = tag, |
56 | .item_name = av_default_item_name, |
57 | .option = 0, |
58 | .version = LIBAVUTIL_VERSION_INT, |
59 | .category = AV_CLASS_CATEGORY_FILTER, |
60 | }; |
61 | ctx.class = &class; |
62 | va_start(ap, format); |
63 | av_vlog(&ctx, type, format, ap); |
64 | va_end(ap); |
65 | return VS_OK; |
66 | } |
67 | |
68 | /** sets the memory allocation function and logging constants to av versions */ |
69 | void ff_vs_init(void) |
70 | { |
71 | vs_malloc = av_malloc; |
72 | vs_zalloc = av_mallocz; |
73 | vs_realloc = av_realloc; |
74 | vs_free = av_free; |
75 | |
76 | VS_ERROR_TYPE = AV_LOG_ERROR; |
77 | VS_WARN_TYPE = AV_LOG_WARNING; |
78 | VS_INFO_TYPE = AV_LOG_INFO; |
79 | VS_MSG_TYPE = AV_LOG_VERBOSE; |
80 | |
81 | vs_log = vs2av_log; |
82 | |
83 | VS_ERROR = 0; |
84 | VS_OK = 1; |
85 | } |
86 |