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qtdemux: parse embedded ID32 tags

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This commit is contained in:
Mark Nauwelaerts 2011-09-19 12:11:32 +02:00
parent e2179cbb74
commit d959bb6041
2 changed files with 51 additions and 1 deletions
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49
gst/isomp4/qtdemux.c
View file

@ -8361,6 +8361,42 @@ unknown_tag:
} }
} }
static void
qtdemux_tag_add_id32 (GstQTDemux * demux, const char *tag,
const char *tag_bis, GNode * node)
{
guint8 *data;
GstBuffer *buf;
guint len;
GstTagList *taglist = NULL;
GST_LOG_OBJECT (demux, "parsing ID32");
data = node->data;
len = GST_READ_UINT32_BE (data);
/* need at least full box and language tag */
if (len < 12 + 2)
return;
buf = gst_buffer_new ();
GST_BUFFER_DATA (buf) = data + 14;
GST_BUFFER_SIZE (buf) = len - 14;
taglist = gst_tag_list_from_id3v2_tag (buf);
if (taglist) {
GST_LOG_OBJECT (demux, "parsing ok");
gst_tag_list_insert (demux->tag_list, taglist, GST_TAG_MERGE_KEEP);
} else {
GST_LOG_OBJECT (demux, "parsing failed");
}
if (taglist)
gst_tag_list_free (taglist);
gst_buffer_unref (buf);
}
typedef void (*GstQTDemuxAddTagFunc) (GstQTDemux * demux, typedef void (*GstQTDemuxAddTagFunc) (GstQTDemux * demux,
const char *tag, const char *tag_bis, GNode * node); const char *tag, const char *tag_bis, GNode * node);
@ -8430,7 +8466,9 @@ static const struct
* http://atomicparsley.sourceforge.net/mpeg-4files.html and * http://atomicparsley.sourceforge.net/mpeg-4files.html and
* bug #614471 * bug #614471
*/ */
FOURCC_____, "", NULL, qtdemux_tag_add_revdns} FOURCC_____, "", NULL, qtdemux_tag_add_revdns}, {
/* see http://www.mp4ra.org/specs.html for ID32 in meta box */
FOURCC_ID32, "", NULL, qtdemux_tag_add_id32}
}; };
static void static void
@ -8846,6 +8884,15 @@ qtdemux_parse_tree (GstQTDemux * qtdemux)
GST_LOG_OBJECT (qtdemux, "No udta node found."); GST_LOG_OBJECT (qtdemux, "No udta node found.");
} }
/* maybe also some tags in meta box */
udta = qtdemux_tree_get_child_by_type (qtdemux->moov_node, FOURCC_meta);
if (udta) {
GST_DEBUG_OBJECT (qtdemux, "Parsing meta box for tags.");
qtdemux_parse_udta (qtdemux, udta);
} else {
GST_LOG_OBJECT (qtdemux, "No meta node found.");
}
qtdemux->tag_list = qtdemux_add_container_format (qtdemux, qtdemux->tag_list); qtdemux->tag_list = qtdemux_add_container_format (qtdemux, qtdemux->tag_list);
return TRUE; return TRUE;

3
gst/isomp4/qtdemux_fourcc.h
View file

@ -189,6 +189,9 @@ G_BEGIN_DECLS
#define FOURCC_albm GST_MAKE_FOURCC('a','l','b','m') #define FOURCC_albm GST_MAKE_FOURCC('a','l','b','m')
#define FOURCC_yrrc GST_MAKE_FOURCC('y','r','r','c') #define FOURCC_yrrc GST_MAKE_FOURCC('y','r','r','c')
/* misc tag stuff */
#define FOURCC_ID32 GST_MAKE_FOURCC('I', 'D','3','2')
/* ISO Motion JPEG 2000 fourcc */ /* ISO Motion JPEG 2000 fourcc */
#define FOURCC_mjp2 GST_MAKE_FOURCC('m','j','p','2') #define FOURCC_mjp2 GST_MAKE_FOURCC('m','j','p','2')
#define FOURCC_jp2h GST_MAKE_FOURCC('j','p','2','h') #define FOURCC_jp2h GST_MAKE_FOURCC('j','p','2','h')