Appends size bytes at offset from buf2 to buf1. The result buffer will contain a concatenation of the memory of buf1 and the requested region of buf2.
the second source #GstBuffer to append.
the offset in buf2
the size or -1 of buf2
the new #GstBuffer that contains the memory of the two source buffers.
Appends size bytes at offset from buf2 to buf1. The result buffer will contain a concatenation of the memory of buf1 and the requested region of buf2.