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gst/qtdemux/: Streamline tag handling and pass unparsed tags as binary blob in private tag.

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Original commit message from CVS:
* gst/qtdemux/qtdemux.c: (qtdemux_tag_add_str),
(qtdemux_tag_add_tmpo), (qtdemux_tag_add_covr),
(qtdemux_tag_add_date), (qtdemux_tag_add_gnre),
(qtdemux_tag_add_blob), (qtdemux_parse_udta):
* gst/qtdemux/qtdemux.h:
* gst/qtdemux/quicktime.c: (plugin_init):
Streamline tag handling and pass unparsed tags as binary blob
in private tag.
This commit is contained in:
Mark Nauwelaerts 2009-01-05 11:42:09 +00:00
parent 4c7c4c00da
commit 455e24c0a3
4 changed files with 113 additions and 102 deletions
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11
ChangeLog
View file

@ -1,3 +1,14 @@
2009-01-05 Mark Nauwelaerts <mark.nauwelaerts@collabora.co.uk>
* gst/qtdemux/qtdemux.c: (qtdemux_tag_add_str),
(qtdemux_tag_add_tmpo), (qtdemux_tag_add_covr),
(qtdemux_tag_add_date), (qtdemux_tag_add_gnre),
(qtdemux_tag_add_blob), (qtdemux_parse_udta):
* gst/qtdemux/qtdemux.h:
* gst/qtdemux/quicktime.c: (plugin_init):
Streamline tag handling and pass unparsed tags as binary blob
in private tag.
2009-01-05 Sebastian Dröge <sebastian.droege@collabora.co.uk> 2009-01-05 Sebastian Dröge <sebastian.droege@collabora.co.uk>
* gst/audiofx/Makefile.am: * gst/audiofx/Makefile.am:

196
gst/qtdemux/qtdemux.c
View file

@ -3882,7 +3882,8 @@ unknown_stream:
} }
static void static void
qtdemux_tag_add_str (GstQTDemux * qtdemux, const char *tag, GNode * node) qtdemux_tag_add_str (GstQTDemux * qtdemux, const char *tag, const char *dummy,
GNode * node)
{ {
const gchar *env_vars[] = { "GST_QT_TAG_ENCODING", "GST_TAG_ENCODING", NULL }; const gchar *env_vars[] = { "GST_QT_TAG_ENCODING", "GST_TAG_ENCODING", NULL };
GNode *data; GNode *data;
@ -3955,7 +3956,8 @@ qtdemux_tag_add_num (GstQTDemux * qtdemux, const char *tag1,
} }
static void static void
qtdemux_tag_add_tmpo (GstQTDemux * qtdemux, const char *tag1, GNode * node) qtdemux_tag_add_tmpo (GstQTDemux * qtdemux, const char *tag1, const char *dummy,
GNode * node)
{ {
GNode *data; GNode *data;
int len; int len;
@ -3981,7 +3983,8 @@ qtdemux_tag_add_tmpo (GstQTDemux * qtdemux, const char *tag1, GNode * node)
} }
static void static void
qtdemux_tag_add_covr (GstQTDemux * qtdemux, const char *tag1, GNode * node) qtdemux_tag_add_covr (GstQTDemux * qtdemux, const char *tag1, const char *dummy,
GNode * node)
{ {
GNode *data; GNode *data;
int len; int len;
@ -4005,7 +4008,8 @@ qtdemux_tag_add_covr (GstQTDemux * qtdemux, const char *tag1, GNode * node)
} }
static void static void
qtdemux_tag_add_date (GstQTDemux * qtdemux, const char *tag, GNode * node) qtdemux_tag_add_date (GstQTDemux * qtdemux, const char *tag, const char *dummy,
GNode * node)
{ {
GNode *data; GNode *data;
char *s; char *s;
@ -4039,7 +4043,8 @@ qtdemux_tag_add_date (GstQTDemux * qtdemux, const char *tag, GNode * node)
} }
static void static void
qtdemux_tag_add_gnre (GstQTDemux * qtdemux, const char *tag, GNode * node) qtdemux_tag_add_gnre (GstQTDemux * qtdemux, const char *tag, const char *dummy,
GNode * node)
{ {
static const gchar *genres[] = { static const gchar *genres[] = {
"N/A", "Blues", "Classic Rock", "Country", "Dance", "Disco", "N/A", "Blues", "Classic Rock", "Country", "Dance", "Disco",
@ -4092,12 +4097,88 @@ qtdemux_tag_add_gnre (GstQTDemux * qtdemux, const char *tag, GNode * node)
} }
} }
typedef void (*GstQTDemuxAddTagFunc) (GstQTDemux * demux,
const char *tag, const char *tag_bis, GNode * node);
static const struct
{
guint32 fourcc;
const gchar *gst_tag;
const gchar *gst_tag_bis;
const GstQTDemuxAddTagFunc func;
} add_funcs[] = {
{
FOURCC__nam, GST_TAG_TITLE, NULL, qtdemux_tag_add_str}, {
FOURCC__grp, GST_TAG_ARTIST, NULL, qtdemux_tag_add_str}, {
FOURCC__wrt, GST_TAG_ARTIST, NULL, qtdemux_tag_add_str}, {
FOURCC__ART, GST_TAG_ARTIST, NULL, qtdemux_tag_add_str}, {
FOURCC__alb, GST_TAG_ALBUM, NULL, qtdemux_tag_add_str}, {
FOURCC_cprt, GST_TAG_COPYRIGHT, NULL, qtdemux_tag_add_str}, {
FOURCC__cpy, GST_TAG_COPYRIGHT, NULL, qtdemux_tag_add_str}, {
FOURCC__cmt, GST_TAG_COMMENT, NULL, qtdemux_tag_add_str}, {
FOURCC__des, GST_TAG_DESCRIPTION, NULL, qtdemux_tag_add_str}, {
FOURCC__day, GST_TAG_DATE, NULL, qtdemux_tag_add_date}, {
FOURCC__too, GST_TAG_COMMENT, NULL, qtdemux_tag_add_str}, {
FOURCC_trkn, GST_TAG_TRACK_NUMBER, GST_TAG_TRACK_COUNT, qtdemux_tag_add_num}, {
FOURCC_disk, GST_TAG_ALBUM_VOLUME_NUMBER, GST_TAG_ALBUM_VOLUME_COUNT,
qtdemux_tag_add_num}, {
FOURCC_disc, GST_TAG_ALBUM_VOLUME_NUMBER, GST_TAG_ALBUM_VOLUME_COUNT,
qtdemux_tag_add_num}, {
FOURCC__gen, GST_TAG_GENRE, NULL, qtdemux_tag_add_str}, {
FOURCC_gnre, GST_TAG_GENRE, NULL, qtdemux_tag_add_gnre}, {
FOURCC_tmpo, GST_TAG_BEATS_PER_MINUTE, NULL, qtdemux_tag_add_tmpo}, {
FOURCC_covr, GST_TAG_PREVIEW_IMAGE, NULL, qtdemux_tag_add_covr}, {
FOURCC_kywd, GST_TAG_KEYWORDS, NULL, qtdemux_tag_add_str}, {
FOURCC_keyw, GST_TAG_KEYWORDS, NULL, qtdemux_tag_add_str}
};
static void
qtdemux_tag_add_blob (GNode * node, GstQTDemux * demux)
{
gint len;
guint8 *data;
GstBuffer *buf;
gchar *media_type, *style;
GstCaps *caps;
data = node->data;
len = QT_UINT32 (data);
buf = gst_buffer_new_and_alloc (len);
memcpy (GST_BUFFER_DATA (buf), data, len);
/* heuristic to determine style of tag */
if (QT_FOURCC (data + 4) == FOURCC_____ ||
(len > 8 + 12 && QT_FOURCC (data + 12) == FOURCC_data))
style = "itunes";
else if (demux->major_brand == GST_MAKE_FOURCC ('q', 't', ' ', ' '))
style = "quicktime";
/* fall back to assuming iso/3gp tag style */
else
style = "iso";
media_type = g_strdup_printf ("application/x-gst-qt-%c%c%c%c-tag",
g_ascii_tolower (data[4]), g_ascii_tolower (data[5]),
g_ascii_tolower (data[6]), g_ascii_tolower (data[7]));
caps = gst_caps_new_simple (media_type, "style", G_TYPE_STRING, style, NULL);
gst_buffer_set_caps (buf, caps);
gst_caps_unref (caps);
g_free (media_type);
GST_DEBUG_OBJECT (demux, "adding private tag; size %d, caps %" GST_PTR_FORMAT,
GST_BUFFER_SIZE (buf), caps);
gst_tag_list_add (demux->tag_list, GST_TAG_MERGE_APPEND,
GST_QT_DEMUX_PRIVATE_TAG, buf, NULL);
gst_buffer_unref (buf);
}
static void static void
qtdemux_parse_udta (GstQTDemux * qtdemux, GNode * udta) qtdemux_parse_udta (GstQTDemux * qtdemux, GNode * udta)
{ {
GNode *meta; GNode *meta;
GNode *ilst; GNode *ilst;
GNode *node; GNode *node;
gint i;
meta = qtdemux_tree_get_child_by_type (udta, FOURCC_meta); meta = qtdemux_tree_get_child_by_type (udta, FOURCC_meta);
if (meta != NULL) { if (meta != NULL) {
@ -4114,107 +4195,18 @@ qtdemux_parse_udta (GstQTDemux * qtdemux, GNode * udta)
GST_DEBUG_OBJECT (qtdemux, "new tag list"); GST_DEBUG_OBJECT (qtdemux, "new tag list");
qtdemux->tag_list = gst_tag_list_new (); qtdemux->tag_list = gst_tag_list_new ();
node = qtdemux_tree_get_child_by_type (ilst, FOURCC__nam); for (i = 0; i < G_N_ELEMENTS (add_funcs); ++i) {
if (node) { node = qtdemux_tree_get_child_by_type (ilst, add_funcs[i].fourcc);
qtdemux_tag_add_str (qtdemux, GST_TAG_TITLE, node);
}
node = qtdemux_tree_get_child_by_type (ilst, FOURCC__ART);
if (node) {
qtdemux_tag_add_str (qtdemux, GST_TAG_ARTIST, node);
} else {
node = qtdemux_tree_get_child_by_type (ilst, FOURCC__wrt);
if (node) { if (node) {
qtdemux_tag_add_str (qtdemux, GST_TAG_ARTIST, node); add_funcs[i].func (qtdemux, add_funcs[i].gst_tag,
} else { add_funcs[i].gst_tag_bis, node);
node = qtdemux_tree_get_child_by_type (ilst, FOURCC__grp); g_node_destroy (node);
if (node) {
qtdemux_tag_add_str (qtdemux, GST_TAG_ARTIST, node);
}
} }
} }
node = qtdemux_tree_get_child_by_type (ilst, FOURCC__alb); /* parsed nodes have been removed, pass along remainder as blob */
if (node) { g_node_children_foreach (ilst, G_TRAVERSE_ALL,
qtdemux_tag_add_str (qtdemux, GST_TAG_ALBUM, node); (GNodeForeachFunc) qtdemux_tag_add_blob, qtdemux);
}
node = qtdemux_tree_get_child_by_type (ilst, FOURCC__cpy);
if (node) {
qtdemux_tag_add_str (qtdemux, GST_TAG_COPYRIGHT, node);
} else {
node = qtdemux_tree_get_child_by_type (ilst, FOURCC_cprt);
if (node)
qtdemux_tag_add_str (qtdemux, GST_TAG_COPYRIGHT, node);
}
node = qtdemux_tree_get_child_by_type (ilst, FOURCC__cmt);
if (node) {
qtdemux_tag_add_str (qtdemux, GST_TAG_COMMENT, node);
}
node = qtdemux_tree_get_child_by_type (ilst, FOURCC__des);
if (node) {
qtdemux_tag_add_str (qtdemux, GST_TAG_DESCRIPTION, node);
}
node = qtdemux_tree_get_child_by_type (ilst, FOURCC__day);
if (node) {
qtdemux_tag_add_date (qtdemux, GST_TAG_DATE, node);
}
node = qtdemux_tree_get_child_by_type (ilst, FOURCC__too);
if (node) {
qtdemux_tag_add_str (qtdemux, GST_TAG_COMMENT, node);
}
node = qtdemux_tree_get_child_by_type (ilst, FOURCC_trkn);
if (node) {
qtdemux_tag_add_num (qtdemux, GST_TAG_TRACK_NUMBER,
GST_TAG_TRACK_COUNT, node);
}
node = qtdemux_tree_get_child_by_type (ilst, FOURCC_disc);
if (node) {
qtdemux_tag_add_num (qtdemux, GST_TAG_ALBUM_VOLUME_NUMBER,
GST_TAG_ALBUM_VOLUME_COUNT, node);
} else {
node = qtdemux_tree_get_child_by_type (ilst, FOURCC_disk);
if (node) {
qtdemux_tag_add_num (qtdemux, GST_TAG_ALBUM_VOLUME_NUMBER,
GST_TAG_ALBUM_VOLUME_COUNT, node);
}
}
node = qtdemux_tree_get_child_by_type (ilst, FOURCC_gnre);
if (node) {
qtdemux_tag_add_gnre (qtdemux, GST_TAG_GENRE, node);
} else {
node = qtdemux_tree_get_child_by_type (ilst, FOURCC__gen);
if (node) {
qtdemux_tag_add_str (qtdemux, GST_TAG_GENRE, node);
}
}
node = qtdemux_tree_get_child_by_type (ilst, FOURCC_tmpo);
if (node) {
qtdemux_tag_add_tmpo (qtdemux, GST_TAG_BEATS_PER_MINUTE, node);
}
node = qtdemux_tree_get_child_by_type (ilst, FOURCC_covr);
if (node) {
qtdemux_tag_add_covr (qtdemux, GST_TAG_PREVIEW_IMAGE, node);
}
node = qtdemux_tree_get_child_by_type (ilst, FOURCC_keyw);
if (node) {
qtdemux_tag_add_str (qtdemux, GST_TAG_KEYWORDS, node);
} else {
node = qtdemux_tree_get_child_by_type (ilst, FOURCC_kywd);
if (node) {
qtdemux_tag_add_str (qtdemux, GST_TAG_KEYWORDS, node);
}
}
} }

3
gst/qtdemux/qtdemux.h
View file

@ -42,6 +42,9 @@ GST_DEBUG_CATEGORY_EXTERN (qtdemux_debug);
#define GST_QTDEMUX_CAST(obj) ((GstQTDemux *)(obj)) #define GST_QTDEMUX_CAST(obj) ((GstQTDemux *)(obj))
/* qtdemux produces these for atoms it cannot parse */
#define GST_QT_DEMUX_PRIVATE_TAG "private-qt-tag"
#define GST_QTDEMUX_MAX_STREAMS 8 #define GST_QTDEMUX_MAX_STREAMS 8
typedef struct _GstQTDemux GstQTDemux; typedef struct _GstQTDemux GstQTDemux;

5
gst/qtdemux/quicktime.c
View file

@ -35,6 +35,11 @@ plugin_init (GstPlugin * plugin)
bindtextdomain (GETTEXT_PACKAGE, LOCALEDIR); bindtextdomain (GETTEXT_PACKAGE, LOCALEDIR);
#endif /* ENABLE_NLS */ #endif /* ENABLE_NLS */
/* ensure private tag is registered */
gst_tag_register (GST_QT_DEMUX_PRIVATE_TAG, GST_TAG_FLAG_META,
GST_TYPE_BUFFER, "QT atom", "unparsed QT tag atom",
gst_tag_merge_use_first);
if (!gst_element_register (plugin, "qtdemux", if (!gst_element_register (plugin, "qtdemux",
GST_RANK_PRIMARY, GST_TYPE_QTDEMUX)) GST_RANK_PRIMARY, GST_TYPE_QTDEMUX))
return FALSE; return FALSE;