/* * Copyright (c) 2009 Aurelien Jacobs <aurel@gnuage.org> * * 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 <strings.h> #include "avformat.h" #include "metadata.h" #include "libavutil/avstring.h" #if LIBAVFORMAT_VERSION_MAJOR < 53 #define SIZE_OFFSET(x) sizeof(((AVFormatContext*)0)->x),offsetof(AVFormatContext,x) static const struct { const char name[16]; int size; int offset; } compat_tab[] = { { "title", SIZE_OFFSET(title) }, { "author", SIZE_OFFSET(author) }, { "copyright", SIZE_OFFSET(copyright) }, { "comment", SIZE_OFFSET(comment) }, { "album", SIZE_OFFSET(album) }, { "year", SIZE_OFFSET(year) }, { "track", SIZE_OFFSET(track) }, { "genre", SIZE_OFFSET(genre) }, { "artist", SIZE_OFFSET(author) }, { "creator", SIZE_OFFSET(author) }, { "written_by", SIZE_OFFSET(author) }, { "lead_performer", SIZE_OFFSET(author) }, { "description", SIZE_OFFSET(comment) }, { "albumtitle", SIZE_OFFSET(album) }, { "date_written", SIZE_OFFSET(year) }, { "date_released", SIZE_OFFSET(year) }, { "tracknumber", SIZE_OFFSET(track) }, { "part_number", SIZE_OFFSET(track) }, }; void ff_metadata_demux_compat(AVFormatContext *ctx) { AVMetadata *m; int i, j; if ((m = ctx->metadata)) for (j=0; j<m->count; j++) for (i=0; i<FF_ARRAY_ELEMS(compat_tab); i++) if (!strcasecmp(m->elems[j].key, compat_tab[i].name)) { int *ptr = (int *)((char *)ctx+compat_tab[i].offset); if (*ptr) continue; if (compat_tab[i].size > sizeof(int)) av_strlcpy((char *)ptr, m->elems[j].value, compat_tab[i].size); else *ptr = atoi(m->elems[j].value); } for (i=0; i<ctx->nb_chapters; i++) if ((m = ctx->chapters[i]->metadata)) for (j=0; j<m->count; j++) if (!strcasecmp(m->elems[j].key, "title")) { av_free(ctx->chapters[i]->title); ctx->chapters[i]->title = av_strdup(m->elems[j].value); } for (i=0; i<ctx->nb_programs; i++) if ((m = ctx->programs[i]->metadata)) for (j=0; j<m->count; j++) { if (!strcasecmp(m->elems[j].key, "name")) { av_free(ctx->programs[i]->name); ctx->programs[i]->name = av_strdup(m->elems[j].value); } if (!strcasecmp(m->elems[j].key, "provider_name")) { av_free(ctx->programs[i]->provider_name); ctx->programs[i]->provider_name = av_strdup(m->elems[j].value); } } for (i=0; i<ctx->nb_streams; i++) if ((m = ctx->streams[i]->metadata)) for (j=0; j<m->count; j++) { if (!strcasecmp(m->elems[j].key, "language")) av_strlcpy(ctx->streams[i]->language, m->elems[j].value, 4); if (!strcasecmp(m->elems[j].key, "filename")) { av_free(ctx->streams[i]->filename); ctx->streams[i]->filename= av_strdup(m->elems[j].value); } } } #define FILL_METADATA(s, key, value) { \ if (value && *value && !av_metadata_get(s->metadata, #key, NULL, 0)) \ av_metadata_set(&s->metadata, #key, value); \ } #define FILL_METADATA_STR(s, key) FILL_METADATA(s, key, s->key) #define FILL_METADATA_INT(s, key) { \ char number[10]; \ snprintf(number, sizeof(number), "%d", s->key); \ if(s->key) FILL_METADATA(s, key, number) } void ff_metadata_mux_compat(AVFormatContext *ctx) { int i; if (ctx->metadata && ctx->metadata->count > 0) return; FILL_METADATA_STR(ctx, title); FILL_METADATA_STR(ctx, author); FILL_METADATA_STR(ctx, copyright); FILL_METADATA_STR(ctx, comment); FILL_METADATA_STR(ctx, album); FILL_METADATA_INT(ctx, year); FILL_METADATA_INT(ctx, track); FILL_METADATA_STR(ctx, genre); for (i=0; i<ctx->nb_chapters; i++) FILL_METADATA_STR(ctx->chapters[i], title); for (i=0; i<ctx->nb_programs; i++) { FILL_METADATA_STR(ctx->programs[i], name); FILL_METADATA_STR(ctx->programs[i], provider_name); } for (i=0; i<ctx->nb_streams; i++) { FILL_METADATA_STR(ctx->streams[i], language); FILL_METADATA_STR(ctx->streams[i], filename); } } #endif /* LIBAVFORMAT_VERSION_MAJOR < 53 */