| 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 | } |