m4a typefind function.

Original commit message from CVS:
m4a typefind function.
We think the mimetype is audio/x-m4a, thats what rhythmbox wants
but there's also sources to say it could be audio/mp4 or audio/MP4A-LATM
This commit is contained in:
Iain Holmes 2003-11-27 14:52:45 +00:00
parent c828163c21
commit 7e11de332c

View file

@ -638,6 +638,18 @@ shn_type_find (GstTypeFind *tf, gpointer unused)
} }
} }
/*** audio/x-m4a *********************************************/
#define AAC_CAPS GST_CAPS_NEW ("m4a_type_find", "audio/x-m4a", NULL)
static void
m4a_type_find (GstTypeFind *tf, gpointer unused)
{
guint8 *data = gst_type_find_peek (tf, 4, 8);
if (data && memcmp (data, "ftypM4A ", 8) == 0) {
gst_type_find_suggest (tf, GST_TYPE_FIND_MAXIMUM, AAC_CAPS);
}
}
/*** audio/x-mod *********************************************/ /*** audio/x-mod *********************************************/
#define MOD_CAPS gst_caps_new ("mod_type_find", "audio/x-mod", NULL) #define MOD_CAPS gst_caps_new ("mod_type_find", "audio/x-mod", NULL)
@ -1003,6 +1015,7 @@ plugin_init (GstPlugin *plugin)
static gchar * gz_exts[] = {"gz", NULL}; static gchar * gz_exts[] = {"gz", NULL};
static gchar * zip_exts[] = {"zip", NULL}; static gchar * zip_exts[] = {"zip", NULL};
static gchar * compress_exts[] = {"Z", NULL}; static gchar * compress_exts[] = {"Z", NULL};
static gchar * m4a_exts[] = {"m4a", NULL};
GST_DEBUG_CATEGORY_INIT (type_find_debug, "typefindfunctions", GST_DEBUG_FG_GREEN | GST_DEBUG_BG_RED, "generic type find functions"); GST_DEBUG_CATEGORY_INIT (type_find_debug, "typefindfunctions", GST_DEBUG_FG_GREEN | GST_DEBUG_BG_RED, "generic type find functions");
@ -1083,6 +1096,8 @@ plugin_init (GstPlugin *plugin)
compress_exts, "\037\235", 2, GST_TYPE_FIND_LIKELY); compress_exts, "\037\235", 2, GST_TYPE_FIND_LIKELY);
TYPE_FIND_REGISTER (plugin, "audio/x-vorbis", GST_RANK_PRIMARY, TYPE_FIND_REGISTER (plugin, "audio/x-vorbis", GST_RANK_PRIMARY,
vorbis_type_find, NULL, VORBIS_CAPS, NULL); vorbis_type_find, NULL, VORBIS_CAPS, NULL);
TYPE_FIND_REGISTER (plugin, "audio/x-m4a", GST_RANK_PRIMARY,
m4a_type_find, m4a_exts, AAC_CAPS, NULL);
return TRUE; return TRUE;
} }