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 */ 24VSPixelFormat av_2_vs_pixel_format(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 */ 45typedef struct { 46 const AVClass *class; 47} VS2AVLogCtx; 48 49/** wrapper to log vs_log into av_log */ 50static int vs_2_av_log_wrapper(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 */ 69void vs_set_mem_and_log_functions(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 = vs_2_av_log_wrapper; 82 83 VS_ERROR = 0; 84 VS_OK = 1; 85} 86