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typefindhelper: Avoid using buffer_get_size in tight loops

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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
1 changed files with 1 additions and 1 deletions
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libs/gst/base/gsttypefindhelper.c
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@ -116,7 +116,7 @@ helper_find_peek (gpointer data, gint64 offset, guint size)
GstBuffer *buf = GST_BUFFER_CAST (bmp->buffer); GstBuffer *buf = GST_BUFFER_CAST (bmp->buffer);
buf_offset = GST_BUFFER_OFFSET (buf); 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 /* 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 * at this point we save the current position and stop searching if