typefindhelper: Avoid using buffer_get_size in tight loops

Calling gst_buffer_get_size represented 2/3 of the cost of helper_find_peek
which was called whenever a typefindfunction wanted to peek at data.

We already know the size (from the GstMapInfo), so just use that.
This commit is contained in:
Edward Hervey 2013-04-16 19:04:48 +02:00
parent 964012bbe7
commit 991d6462a8

View file

@ -116,7 +116,7 @@ helper_find_peek (gpointer data, gint64 offset, guint size)
GstBuffer *buf = GST_BUFFER_CAST (bmp->buffer);
buf_offset = GST_BUFFER_OFFSET (buf);
buf_size = gst_buffer_get_size (buf);
buf_size = bmp->map.size;
/* buffers are kept sorted by end offset (highest first) in the list, so
* at this point we save the current position and stop searching if