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00021 #include <strings.h>
00022 #include "avformat.h"
00023 #include "metadata.h"
00024 #include "libavutil/avstring.h"
00025
00026 #if LIBAVFORMAT_VERSION_MAJOR < 53
00027
00028 #define SIZE_OFFSET(x) sizeof(((AVFormatContext*)0)->x),offsetof(AVFormatContext,x)
00029
00030 static const struct {
00031 const char name[16];
00032 int size;
00033 int offset;
00034 } compat_tab[] = {
00035 { "title", SIZE_OFFSET(title) },
00036 { "author", SIZE_OFFSET(author) },
00037 { "copyright", SIZE_OFFSET(copyright) },
00038 { "comment", SIZE_OFFSET(comment) },
00039 { "album", SIZE_OFFSET(album) },
00040 { "year", SIZE_OFFSET(year) },
00041 { "track", SIZE_OFFSET(track) },
00042 { "genre", SIZE_OFFSET(genre) },
00043
00044 { "artist", SIZE_OFFSET(author) },
00045 { "creator", SIZE_OFFSET(author) },
00046 { "written_by", SIZE_OFFSET(author) },
00047 { "lead_performer", SIZE_OFFSET(author) },
00048 { "description", SIZE_OFFSET(comment) },
00049 { "albumtitle", SIZE_OFFSET(album) },
00050 { "date_written", SIZE_OFFSET(year) },
00051 { "date_released", SIZE_OFFSET(year) },
00052 { "tracknumber", SIZE_OFFSET(track) },
00053 { "part_number", SIZE_OFFSET(track) },
00054 };
00055
00056 void ff_metadata_demux_compat(AVFormatContext *ctx)
00057 {
00058 AVMetadata *m;
00059 int i, j;
00060
00061 if ((m = ctx->metadata))
00062 for (j=0; j<m->count; j++)
00063 for (i=0; i<FF_ARRAY_ELEMS(compat_tab); i++)
00064 if (!strcasecmp(m->elems[j].key, compat_tab[i].name)) {
00065 int *ptr = (int *)((char *)ctx+compat_tab[i].offset);
00066 if (*ptr) continue;
00067 if (compat_tab[i].size > sizeof(int))
00068 av_strlcpy((char *)ptr, m->elems[j].value, compat_tab[i].size);
00069 else
00070 *ptr = atoi(m->elems[j].value);
00071 }
00072
00073 for (i=0; i<ctx->nb_chapters; i++)
00074 if ((m = ctx->chapters[i]->metadata))
00075 for (j=0; j<m->count; j++)
00076 if (!strcasecmp(m->elems[j].key, "title")) {
00077 av_free(ctx->chapters[i]->title);
00078 ctx->chapters[i]->title = av_strdup(m->elems[j].value);
00079 }
00080
00081 for (i=0; i<ctx->nb_programs; i++)
00082 if ((m = ctx->programs[i]->metadata))
00083 for (j=0; j<m->count; j++) {
00084 if (!strcasecmp(m->elems[j].key, "name")) {
00085 av_free(ctx->programs[i]->name);
00086 ctx->programs[i]->name = av_strdup(m->elems[j].value);
00087 }
00088 if (!strcasecmp(m->elems[j].key, "provider_name")) {
00089 av_free(ctx->programs[i]->provider_name);
00090 ctx->programs[i]->provider_name = av_strdup(m->elems[j].value);
00091 }
00092 }
00093
00094 for (i=0; i<ctx->nb_streams; i++)
00095 if ((m = ctx->streams[i]->metadata))
00096 for (j=0; j<m->count; j++) {
00097 if (!strcasecmp(m->elems[j].key, "language"))
00098 av_strlcpy(ctx->streams[i]->language, m->elems[j].value, 4);
00099 if (!strcasecmp(m->elems[j].key, "filename")) {
00100 av_free(ctx->streams[i]->filename);
00101 ctx->streams[i]->filename= av_strdup(m->elems[j].value);
00102 }
00103 }
00104 }
00105
00106
00107 #define FILL_METADATA(s, key, value) { \
00108 if (value && *value && !av_metadata_get(s->metadata, #key, NULL, 0)) \
00109 av_metadata_set(&s->metadata, #key, value); \
00110 }
00111 #define FILL_METADATA_STR(s, key) FILL_METADATA(s, key, s->key)
00112 #define FILL_METADATA_INT(s, key) { \
00113 char number[10]; \
00114 snprintf(number, sizeof(number), "%d", s->key); \
00115 if(s->key) FILL_METADATA(s, key, number) }
00116
00117 void ff_metadata_mux_compat(AVFormatContext *ctx)
00118 {
00119 int i;
00120
00121 if (ctx->metadata && ctx->metadata->count > 0)
00122 return;
00123
00124 FILL_METADATA_STR(ctx, title);
00125 FILL_METADATA_STR(ctx, author);
00126 FILL_METADATA_STR(ctx, copyright);
00127 FILL_METADATA_STR(ctx, comment);
00128 FILL_METADATA_STR(ctx, album);
00129 FILL_METADATA_INT(ctx, year);
00130 FILL_METADATA_INT(ctx, track);
00131 FILL_METADATA_STR(ctx, genre);
00132 for (i=0; i<ctx->nb_chapters; i++)
00133 FILL_METADATA_STR(ctx->chapters[i], title);
00134 for (i=0; i<ctx->nb_programs; i++) {
00135 FILL_METADATA_STR(ctx->programs[i], name);
00136 FILL_METADATA_STR(ctx->programs[i], provider_name);
00137 }
00138 for (i=0; i<ctx->nb_streams; i++) {
00139 FILL_METADATA_STR(ctx->streams[i], language);
00140 FILL_METADATA_STR(ctx->streams[i], filename);
00141 }
00142 }
00143
00144 #endif