Originally committed as revision 15801 to svn://svn.ffmpeg.org/ffmpeg/trunk
* are never used so complete accuracy is not needed.
*
* L = left, R = right, C = center, S = surround, F = front, R = rear, T = total, OV = overhead.
- * S -> back, when both rear and back are configured move one of them to the side channel
+ * S -> side, when both rear and back are configured move one of them to the side channel
* OV -> center back
* All 2 channel configurations -> CH_LAYOUT_STEREO
*/