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148 lines
5.7 KiB
148 lines
5.7 KiB
/* |
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* Copyright (c) 2009 Aurelien Jacobs <aurel@gnuage.org> |
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* |
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* This file is part of Libav. |
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* |
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* Libav is free software; you can redistribute it and/or |
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* modify it under the terms of the GNU Lesser General Public |
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* License as published by the Free Software Foundation; either |
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* version 2.1 of the License, or (at your option) any later version. |
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* |
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* Libav is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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* Lesser General Public License for more details. |
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* |
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* You should have received a copy of the GNU Lesser General Public |
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* License along with Libav; if not, write to the Free Software |
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
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*/ |
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#include <strings.h> |
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#include "avformat.h" |
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#include "metadata.h" |
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#include "libavutil/avstring.h" |
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#if FF_API_OLD_METADATA |
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#define SIZE_OFFSET(x) sizeof(((AVFormatContext*)0)->x),offsetof(AVFormatContext,x) |
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static const struct { |
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const char name[16]; |
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int size; |
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int offset; |
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} compat_tab[] = { |
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{ "title", SIZE_OFFSET(title) }, |
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{ "author", SIZE_OFFSET(author) }, |
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{ "copyright", SIZE_OFFSET(copyright) }, |
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{ "comment", SIZE_OFFSET(comment) }, |
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{ "album", SIZE_OFFSET(album) }, |
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{ "year", SIZE_OFFSET(year) }, |
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{ "track", SIZE_OFFSET(track) }, |
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{ "genre", SIZE_OFFSET(genre) }, |
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{ "artist", SIZE_OFFSET(author) }, |
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{ "creator", SIZE_OFFSET(author) }, |
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{ "written_by", SIZE_OFFSET(author) }, |
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{ "lead_performer", SIZE_OFFSET(author) }, |
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{ "composer", SIZE_OFFSET(author) }, |
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{ "performer", SIZE_OFFSET(author) }, |
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{ "description", SIZE_OFFSET(comment) }, |
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{ "albumtitle", SIZE_OFFSET(album) }, |
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{ "date", SIZE_OFFSET(year) }, |
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{ "date_written", SIZE_OFFSET(year) }, |
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{ "date_released", SIZE_OFFSET(year) }, |
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{ "tracknumber", SIZE_OFFSET(track) }, |
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{ "part_number", SIZE_OFFSET(track) }, |
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}; |
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void ff_metadata_demux_compat(AVFormatContext *ctx) |
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{ |
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AVMetadata *m; |
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int i, j; |
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if ((m = ctx->metadata)) |
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for (j=0; j<m->count; j++) |
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for (i=0; i<FF_ARRAY_ELEMS(compat_tab); i++) |
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if (!strcasecmp(m->elems[j].key, compat_tab[i].name)) { |
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int *ptr = (int *)((char *)ctx+compat_tab[i].offset); |
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if (*ptr) continue; |
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if (compat_tab[i].size > sizeof(int)) |
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av_strlcpy((char *)ptr, m->elems[j].value, compat_tab[i].size); |
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else |
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*ptr = atoi(m->elems[j].value); |
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} |
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for (i=0; i<ctx->nb_chapters; i++) |
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if ((m = ctx->chapters[i]->metadata)) |
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for (j=0; j<m->count; j++) |
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if (!strcasecmp(m->elems[j].key, "title")) { |
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av_free(ctx->chapters[i]->title); |
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ctx->chapters[i]->title = av_strdup(m->elems[j].value); |
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} |
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for (i=0; i<ctx->nb_programs; i++) |
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if ((m = ctx->programs[i]->metadata)) |
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for (j=0; j<m->count; j++) { |
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if (!strcasecmp(m->elems[j].key, "name")) { |
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av_free(ctx->programs[i]->name); |
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ctx->programs[i]->name = av_strdup(m->elems[j].value); |
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} |
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if (!strcasecmp(m->elems[j].key, "provider_name")) { |
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av_free(ctx->programs[i]->provider_name); |
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ctx->programs[i]->provider_name = av_strdup(m->elems[j].value); |
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} |
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} |
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for (i=0; i<ctx->nb_streams; i++) |
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if ((m = ctx->streams[i]->metadata)) |
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for (j=0; j<m->count; j++) { |
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if (!strcasecmp(m->elems[j].key, "language")) |
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av_strlcpy(ctx->streams[i]->language, m->elems[j].value, 4); |
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if (!strcasecmp(m->elems[j].key, "filename")) { |
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av_free(ctx->streams[i]->filename); |
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ctx->streams[i]->filename= av_strdup(m->elems[j].value); |
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} |
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} |
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} |
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#define FILL_METADATA(s, key, value) { \ |
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if (!av_metadata_get(s->metadata, #key, NULL, 0)) \ |
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av_metadata_set2(&s->metadata, #key, value, 0); \ |
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} |
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#define FILL_METADATA_STR(s, key) { \ |
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if (s->key && *s->key) FILL_METADATA(s, key, s->key); } |
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#define FILL_METADATA_INT(s, key) { \ |
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char number[10]; \ |
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snprintf(number, sizeof(number), "%d", s->key); \ |
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if(s->key) FILL_METADATA(s, key, number) } |
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void ff_metadata_mux_compat(AVFormatContext *ctx) |
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{ |
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int i; |
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if (ctx->metadata && ctx->metadata->count > 0) |
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return; |
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FILL_METADATA_STR(ctx, title); |
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FILL_METADATA_STR(ctx, author); |
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FILL_METADATA_STR(ctx, copyright); |
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FILL_METADATA_STR(ctx, comment); |
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FILL_METADATA_STR(ctx, album); |
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FILL_METADATA_INT(ctx, year); |
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FILL_METADATA_INT(ctx, track); |
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FILL_METADATA_STR(ctx, genre); |
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for (i=0; i<ctx->nb_chapters; i++) |
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FILL_METADATA_STR(ctx->chapters[i], title); |
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for (i=0; i<ctx->nb_programs; i++) { |
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FILL_METADATA_STR(ctx->programs[i], name); |
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FILL_METADATA_STR(ctx->programs[i], provider_name); |
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} |
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for (i=0; i<ctx->nb_streams; i++) { |
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FILL_METADATA_STR(ctx->streams[i], language); |
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FILL_METADATA_STR(ctx->streams[i], filename); |
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} |
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} |
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#endif /* FF_API_OLD_METADATA */
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