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Move a few typefind functions to gst/typefind, remove all old typefinding code from bitrotten plugins

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Original commit message from CVS:
Move a few typefind functions to gst/typefind, remove all old typefinding
code from bitrotten plugins
This commit is contained in:
David Schleef 2003-10-29 05:09:40 +00:00
parent 8dc2aee230
commit 99d9c43e77
1 changed files with 70 additions and 4 deletions
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74
gst/typefind/gsttypefindfunctions.c
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@ -653,7 +653,7 @@ rm_type_find (GstTypeFind *tf, gpointer unused)
if (data && memcmp (data, ".RMF", 4) == 0) {
gst_type_find_suggest (tf, GST_TYPE_FIND_MAXIMUM, RM_CAPS);
}
};
}
/*** audio/x-wav ****************************************************************/
@ -840,7 +840,7 @@ swf_type_find (GstTypeFind *tf, gpointer unused)
data[1] == 'W' && data[2] == 'S') {
gst_type_find_suggest (tf, GST_TYPE_FIND_MAXIMUM, SWF_CAPS);
}
};
}
/*** application/ogg **********************************************************/
@ -853,7 +853,65 @@ ogg_type_find (GstTypeFind *tf, gpointer unused)
if (data && memcmp (data, "OggS", 4) == 0) {
gst_type_find_suggest (tf, GST_TYPE_FIND_MAXIMUM, OGG_CAPS);
}
};
}
/*** video/x-matroska *********************************************************/
#define MATROSKA_CAPS gst_caps_new ("matroska_type", "video/x-matroska", NULL)
static void
matroska_type_find (GstTypeFind *tf, gpointer priv)
{
static guint8 header[16] = { 0x1A, 0x45, 0xDF, 0xA3, 0x93, 0x42, 0x82, 0x88,
'm', 'a', 't', 'r', 'o', 's', 'k', 'a' };
guint8 *data = gst_type_find_peek (tf, 0, 16);
if (data && !memcmp(data, header, 16)) {
gst_type_find_suggest (tf, GST_TYPE_FIND_MAXIMUM, MATROSKA_CAPS);
}
}
/*** video/x-dv ***************************************************************/
#define DV_CAPS GST_CAPS_NEW ("dv_type_find", "video/x-dv", \
"systemstream", GST_PROPS_BOOLEAN (TRUE))
#define DV_CAPS_FORMAT(format) GST_CAPS_NEW ("dv_type_find", "video/x-dv", \
"systemstream", GST_PROPS_BOOLEAN (TRUE), \
"format", GST_PROPS_STRING(format))
static void
dv_type_find (GstTypeFind *tf, gpointer private)
{
guint8 *data;
data = gst_type_find_peek (tf, 0, 5);
/* check for DIF and DV flag */
if (data && (data[0] == 0x1f) && (data[1] == 0x07) && (data[2] == 0x00) &&
((data[4]&0x01) == 0)){
gchar *format;
if (data[3] & 0x80) {
format = "PAL";
} else {
format = "NTSC";
}
gst_type_find_suggest (tf, GST_TYPE_FIND_MAXIMUM, DV_CAPS_FORMAT(format));
}
}
/*** video/x-dv ***************************************************************/
#define SID_CAPS GST_CAPS_NEW ("sid_typefind", "audio/x-sid", NULL)
static void
sid_type_find (GstTypeFind *tf, gpointer private)
{
guint8 *data;
data = gst_type_find_peek (tf, 0, 4);
if (data && memcmp (data, "PSID", 4)==0) {
gst_type_find_suggest (tf, GST_TYPE_FIND_LIKELY, SID_CAPS);
}
}
/*** plugin initialization ****************************************************/
@ -884,6 +942,9 @@ plugin_init (GModule *module, GstPlugin *plugin)
static gchar * aiff_exts[] = {"aiff", "aif", "aifc", NULL};
static gchar * shn_exts[] = {"shn", NULL};
static gchar * uri_exts[] = {"ram", NULL};
static gchar * matroska_exts[] = {"mkv", "mka", NULL};
static gchar * dv_exts[] = {"dv", NULL};
static gchar * sid_exts[] = {"sid", NULL};
GST_DEBUG_CATEGORY_INIT (type_find_debug, "typefindfunctions", GST_DEBUG_FG_GREEN | GST_DEBUG_BG_RED, "generic type find functions");
@ -925,9 +986,14 @@ plugin_init (GModule *module, GstPlugin *plugin)
wav_type_find, wav_exts, WAV_CAPS, NULL);
gst_type_find_factory_register (plugin, "audio/x-aiff", GST_ELEMENT_RANK_SECONDARY,
aiff_type_find, aiff_exts, AIFF_CAPS, NULL);
gst_type_find_factory_register (plugin, "audio/x-shorten", GST_ELEMENT_RANK_SECONDARY,
shn_type_find, shn_exts, SHN_CAPS, NULL);
gst_type_find_factory_register (plugin, "video/x-matroska", GST_ELEMENT_RANK_SECONDARY,
matroska_type_find, matroska_exts, MATROSKA_CAPS, NULL);
gst_type_find_factory_register (plugin, "video/x-dv", GST_ELEMENT_RANK_SECONDARY,
dv_type_find, dv_exts, DV_CAPS, NULL);
gst_type_find_factory_register (plugin, "video/x-sid", GST_ELEMENT_RANK_MARGINAL,
sid_type_find, sid_exts, SID_CAPS, NULL);
return TRUE;
}