mirror of https://git.ffmpeg.org/ffmpeg.git
145 lines
5.5 KiB
C
145 lines
5.5 KiB
C
/*
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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 FFmpeg.
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*
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* FFmpeg 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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* FFmpeg 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 FFmpeg; 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 LIBAVFORMAT_VERSION_MAJOR < 53
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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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{ "description", SIZE_OFFSET(comment) },
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{ "albumtitle", SIZE_OFFSET(album) },
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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 (value && *value && !av_metadata_get(s->metadata, #key, NULL, 0)) \
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av_metadata_set(&s->metadata, #key, value); \
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}
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#define FILL_METADATA_STR(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 /* LIBAVFORMAT_VERSION_MAJOR < 53 */
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