1cabdff1aSopenharmony_ci/* 2cabdff1aSopenharmony_ci * copyright (c) 2009 Michael Niedermayer 3cabdff1aSopenharmony_ci * 4cabdff1aSopenharmony_ci * This file is part of FFmpeg. 5cabdff1aSopenharmony_ci * 6cabdff1aSopenharmony_ci * FFmpeg is free software; you can redistribute it and/or 7cabdff1aSopenharmony_ci * modify it under the terms of the GNU Lesser General Public 8cabdff1aSopenharmony_ci * License as published by the Free Software Foundation; either 9cabdff1aSopenharmony_ci * version 2.1 of the License, or (at your option) any later version. 10cabdff1aSopenharmony_ci * 11cabdff1aSopenharmony_ci * FFmpeg is distributed in the hope that it will be useful, 12cabdff1aSopenharmony_ci * but WITHOUT ANY WARRANTY; without even the implied warranty of 13cabdff1aSopenharmony_ci * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 14cabdff1aSopenharmony_ci * Lesser General Public License for more details. 15cabdff1aSopenharmony_ci * 16cabdff1aSopenharmony_ci * You should have received a copy of the GNU Lesser General Public 17cabdff1aSopenharmony_ci * License along with FFmpeg; if not, write to the Free Software 18cabdff1aSopenharmony_ci * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA 19cabdff1aSopenharmony_ci */ 20cabdff1aSopenharmony_ci 21cabdff1aSopenharmony_ci#include "avformat.h" 22cabdff1aSopenharmony_ci#include "metadata.h" 23cabdff1aSopenharmony_ci#include "libavutil/dict.h" 24cabdff1aSopenharmony_ci#include "libavutil/avstring.h" 25cabdff1aSopenharmony_ci 26cabdff1aSopenharmony_civoid ff_metadata_conv(AVDictionary **pm, const AVMetadataConv *d_conv, 27cabdff1aSopenharmony_ci const AVMetadataConv *s_conv) 28cabdff1aSopenharmony_ci{ 29cabdff1aSopenharmony_ci /* TODO: use binary search to look up the two conversion tables 30cabdff1aSopenharmony_ci if the tables are getting big enough that it would matter speed wise */ 31cabdff1aSopenharmony_ci const AVMetadataConv *sc, *dc; 32cabdff1aSopenharmony_ci AVDictionaryEntry *mtag = NULL; 33cabdff1aSopenharmony_ci AVDictionary *dst = NULL; 34cabdff1aSopenharmony_ci const char *key; 35cabdff1aSopenharmony_ci 36cabdff1aSopenharmony_ci if (d_conv == s_conv || !pm) 37cabdff1aSopenharmony_ci return; 38cabdff1aSopenharmony_ci 39cabdff1aSopenharmony_ci while ((mtag = av_dict_get(*pm, "", mtag, AV_DICT_IGNORE_SUFFIX))) { 40cabdff1aSopenharmony_ci key = mtag->key; 41cabdff1aSopenharmony_ci if (s_conv) 42cabdff1aSopenharmony_ci for (sc=s_conv; sc->native; sc++) 43cabdff1aSopenharmony_ci if (!av_strcasecmp(key, sc->native)) { 44cabdff1aSopenharmony_ci key = sc->generic; 45cabdff1aSopenharmony_ci break; 46cabdff1aSopenharmony_ci } 47cabdff1aSopenharmony_ci if (d_conv) 48cabdff1aSopenharmony_ci for (dc=d_conv; dc->native; dc++) 49cabdff1aSopenharmony_ci if (!av_strcasecmp(key, dc->generic)) { 50cabdff1aSopenharmony_ci key = dc->native; 51cabdff1aSopenharmony_ci break; 52cabdff1aSopenharmony_ci } 53cabdff1aSopenharmony_ci av_dict_set(&dst, key, mtag->value, 0); 54cabdff1aSopenharmony_ci } 55cabdff1aSopenharmony_ci av_dict_free(pm); 56cabdff1aSopenharmony_ci *pm = dst; 57cabdff1aSopenharmony_ci} 58cabdff1aSopenharmony_ci 59cabdff1aSopenharmony_civoid ff_metadata_conv_ctx(AVFormatContext *ctx, const AVMetadataConv *d_conv, 60cabdff1aSopenharmony_ci const AVMetadataConv *s_conv) 61cabdff1aSopenharmony_ci{ 62cabdff1aSopenharmony_ci int i; 63cabdff1aSopenharmony_ci ff_metadata_conv(&ctx->metadata, d_conv, s_conv); 64cabdff1aSopenharmony_ci for (i=0; i<ctx->nb_streams ; i++) 65cabdff1aSopenharmony_ci ff_metadata_conv(&ctx->streams [i]->metadata, d_conv, s_conv); 66cabdff1aSopenharmony_ci for (i=0; i<ctx->nb_chapters; i++) 67cabdff1aSopenharmony_ci ff_metadata_conv(&ctx->chapters[i]->metadata, d_conv, s_conv); 68cabdff1aSopenharmony_ci for (i=0; i<ctx->nb_programs; i++) 69cabdff1aSopenharmony_ci ff_metadata_conv(&ctx->programs[i]->metadata, d_conv, s_conv); 70cabdff1aSopenharmony_ci} 71