The struct is going to be used for storing audio buffer references as
well, and the new name is more generic.

Patch by S.N. Hemanth Meenakshisundaram @smeenaks@ucsd@edu@.

Originally committed as revision 24730 to svn://svn.ffmpeg.org/ffmpeg/trunk

Passing an explicit filename to this command is only necessary if the
documentation in the @file block refers to a file different from the
one the block resides in.

Originally committed as revision 22921 to svn://svn.ffmpeg.org/ffmpeg/trunk

is deprecated and will be dropped at the next major bump.

Originally committed as revision 22735 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 22595 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 22573 to svn://svn.ffmpeg.org/ffmpeg/trunk