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gst/typefind/gsttypefindfunctions.c: Add typefind function for application/sdp.

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Original commit message from CVS:
* gst/typefind/gsttypefindfunctions.c: (utf8_type_find),
(sdp_check_header), (sdp_type_find), (plugin_init):
Add typefind function for application/sdp.
Remove some old dirac typefind code that was ifdeffed out.
This commit is contained in:
Wim Taymans 2007-10-01 10:22:46 +00:00
parent 500d8290a4
commit 818434b664
2 changed files with 48 additions and 5 deletions
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7
ChangeLog
View file

@ -1,3 +1,10 @@
2007-10-01 Wim Taymans <wim.taymans@gmail.com>
* gst/typefind/gsttypefindfunctions.c: (utf8_type_find),
(sdp_check_header), (sdp_type_find), (plugin_init):
Add typefind function for application/sdp.
Remove some old dirac typefind code that was ifdeffed out.
2007-09-29 Sebastien Moutte <sebastien@moutte.net>
* win32/common/libgstaudio.def:

46
gst/typefind/gsttypefindfunctions.c
View file

@ -40,7 +40,7 @@ GST_DEBUG_CATEGORY_STATIC (type_find_debug);
/*** text/plain ***/
static gboolean xml_check_first_element (GstTypeFind * tf,
const gchar * element, guint elen, gboolean strict);
static gboolean sdp_check_header (GstTypeFind * tf);
static GstStaticCaps utf8_caps = GST_STATIC_CAPS ("text/plain");
@ -89,6 +89,10 @@ utf8_type_find (GstTypeFind * tf, gpointer unused)
if (xml_check_first_element (tf, "", 0, TRUE))
return;
/* leave sdp to the sdp typefinders */
if (sdp_check_header (tf))
return;
/* check beginning of stream */
if (!utf8_type_find_have_valid_utf8_at_offset (tf, 0, &start_prob))
return;
@ -259,6 +263,39 @@ xml_type_find (GstTypeFind * tf, gpointer unused)
}
}
/*** application/sdp *********************************************************/
static GstStaticCaps sdp_caps = GST_STATIC_CAPS ("application/sdp");
#define SDP_CAPS (gst_static_caps_get(&sdp_caps))
static gboolean
sdp_check_header (GstTypeFind * tf)
{
guint8 *data;
data = gst_type_find_peek (tf, 0, 5);
if (!data)
return FALSE;
/* sdp must start with v=0[\r]\n */
if (memcmp (data, "v=0", 3))
return FALSE;
if (data[3] == '\r' && data[4] != '\n')
return FALSE;
if (data[3] != '\n')
return FALSE;
return TRUE;
}
static void
sdp_type_find (GstTypeFind * tf, gpointer unused)
{
if (sdp_check_header (tf))
gst_type_find_suggest (tf, GST_TYPE_FIND_MAXIMUM, SDP_CAPS);
}
/*** application/smil *********************************************************/
static GstStaticCaps smil_caps = GST_STATIC_CAPS ("application/smil");
@ -2796,6 +2833,7 @@ plugin_init (GstPlugin * plugin)
static gchar *shn_exts[] = { "shn", NULL };
static gchar *ape_exts[] = { "ape", NULL };
static gchar *uri_exts[] = { "ram", NULL };
static gchar *sdp_exts[] = { "sdp", NULL };
static gchar *smil_exts[] = { "smil", NULL };
static gchar *html_exts[] = { "htm", "html", NULL };
static gchar *xml_exts[] = { "xml", NULL };
@ -2914,6 +2952,8 @@ plugin_init (GstPlugin * plugin)
utf8_exts, UTF8_CAPS, NULL, NULL);
TYPE_FIND_REGISTER (plugin, "text/uri-list", GST_RANK_MARGINAL, uri_type_find,
uri_exts, URI_CAPS, NULL, NULL);
TYPE_FIND_REGISTER (plugin, "application/sdp", GST_RANK_SECONDARY,
sdp_type_find, sdp_exts, SDP_CAPS, NULL, NULL);
TYPE_FIND_REGISTER (plugin, "application/smil", GST_RANK_SECONDARY,
smil_type_find, smil_exts, SMIL_CAPS, NULL, NULL);
TYPE_FIND_REGISTER (plugin, "application/xml", GST_RANK_MARGINAL,
@ -3023,10 +3063,6 @@ plugin_init (GstPlugin * plugin)
GST_RANK_SECONDARY, msdos_type_find, msdos_exts, MSDOS_CAPS, NULL, NULL);
TYPE_FIND_REGISTER (plugin, "video/x-dirac", GST_RANK_PRIMARY,
dirac_type_find, NULL, DIRAC_CAPS, NULL, NULL);
#if 0
TYPE_FIND_REGISTER_START_WITH (plugin, "video/x-dirac",
GST_RANK_PRIMARY, NULL, "BBCD", 4, GST_TYPE_FIND_MAXIMUM);
#endif
TYPE_FIND_REGISTER (plugin, "multipart/x-mixed-replace", GST_RANK_SECONDARY,
multipart_type_find, NULL, MULTIPART_CAPS, NULL, NULL);
TYPE_FIND_REGISTER (plugin, "application/x-mmsh", GST_RANK_SECONDARY,