#include "matroska-ids.h"
#include "webm-mux.h"
-#include <string.h>
-
-/*** video/webm typefinder (temporary) ***/
-static GstStaticCaps webm_caps = GST_STATIC_CAPS ("video/webm");
-
-#define WEBM_CAPS (gst_static_caps_get(&webm_caps))
-static void
-webm_type_find (GstTypeFind * tf, gpointer ununsed)
-{
- static const guint8 webm_doctype[] = { 'w', 'e', 'b', 'm' };
- guint8 *data;
- gint len_mask = 0x80, size = 1, n = 1, total;
-
- /* 4 bytes for EBML ID, 1 byte for header length identifier */
- data = gst_type_find_peek (tf, 0, 4 + 1);
- if (!data)
- return;
-
- /* ebml header? */
- if (data[0] != 0x1A || data[1] != 0x45 || data[2] != 0xDF || data[3] != 0xA3)
- return;
-
- /* length of header */
- total = data[4];
- while (size <= 8 && !(total & len_mask)) {
- size++;
- len_mask >>= 1;
- }
- if (size > 8)
- return;
- total &= (len_mask - 1);
- while (n < size)
- total = (total << 8) | data[4 + n++];
-
- /* get new data for full header, 4 bytes for EBML ID,
- * EBML length tag and the actual header */
- data = gst_type_find_peek (tf, 0, 4 + size + total);
- if (!data)
- return;
-
- /* the header must contain the document type 'webm'. For now,
- * we don't parse the whole header but simply check for the
- * availability of that array of characters inside the header.
- * Not fully fool-proof, but good enough. */
- for (n = 4 + size; n <= 4 + size + total - sizeof (webm_doctype); n++) {
- if (!memcmp (&data[n], webm_doctype, sizeof (webm_doctype))) {
- gst_type_find_suggest (tf, GST_TYPE_FIND_MAXIMUM, WEBM_CAPS);
- return;
- }
- }
-}
-
static gboolean
plugin_init (GstPlugin * plugin)
{
- static const gchar *webm_exts[] = { "webm", "weba", "webv", NULL };
gboolean ret;
gst_matroska_register_tags ();
GST_TYPE_MATROSKA_MUX);
ret &= gst_element_register (plugin, "webmmux", GST_RANK_PRIMARY,
GST_TYPE_WEBM_MUX);
- ret &= gst_type_find_register (plugin, "good-webm", GST_RANK_MARGINAL,
- webm_type_find, (gchar **) webm_exts, WEBM_CAPS, NULL, NULL);
return ret;
}