/* * Copyright (c) 2013 Georg Martius <georg dot martius at web dot de> * * This file is part of FFmpeg. * * FFmpeg is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; either * version 2.1 of the License, or (at your option) any later version. * * FFmpeg is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with FFmpeg; if not, write to the Free Software * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA */ #include "vidstabutils.h" /** convert AV's pixelformat to vid.stab pixelformat */ VSPixelFormat ff_av2vs_pixfmt(AVFilterContext *ctx, enum AVPixelFormat pf) { switch (pf) { case AV_PIX_FMT_YUV420P: return PF_YUV420P; case AV_PIX_FMT_YUV422P: return PF_YUV422P; case AV_PIX_FMT_YUV444P: return PF_YUV444P; case AV_PIX_FMT_YUV410P: return PF_YUV410P; case AV_PIX_FMT_YUV411P: return PF_YUV411P; case AV_PIX_FMT_YUV440P: return PF_YUV440P; case AV_PIX_FMT_YUVA420P: return PF_YUVA420P; case AV_PIX_FMT_GRAY8: return PF_GRAY8; case AV_PIX_FMT_RGB24: return PF_RGB24; case AV_PIX_FMT_BGR24: return PF_BGR24; case AV_PIX_FMT_RGBA: return PF_RGBA; default: av_log(ctx, AV_LOG_ERROR, "cannot deal with pixel format %i\n", pf); return PF_NONE; } } /** struct to hold a valid context for logging from within vid.stab lib */ typedef struct VS2AVLogCtx { const AVClass *class; } VS2AVLogCtx; /** wrapper to log vs_log into av_log */ static int vs2av_log(int type, const char *tag, const char *format, ...) { va_list ap; VS2AVLogCtx ctx; AVClass class = { .class_name = tag, .item_name = av_default_item_name, .option = 0, .version = LIBAVUTIL_VERSION_INT, .category = AV_CLASS_CATEGORY_FILTER, }; ctx.class = &class; va_start(ap, format); av_vlog(&ctx, type, format, ap); va_end(ap); return VS_OK; } /** sets the memory allocation function and logging constants to av versions */ void ff_vs_init(void) { vs_malloc = av_malloc; vs_zalloc = av_mallocz; vs_realloc = av_realloc; vs_free = av_free; VS_ERROR_TYPE = AV_LOG_ERROR; VS_WARN_TYPE = AV_LOG_WARNING; VS_INFO_TYPE = AV_LOG_INFO; VS_MSG_TYPE = AV_LOG_VERBOSE; vs_log = vs2av_log; VS_ERROR = 0; VS_OK = 1; }