This mode emits no keyframes at all, despite its name. Patch by James Zern, jzern at google dot com Originally committed as revision 23521 to svn://svn.ffmpeg.org/ffmpeg/trunk
Patch by James Zern, jzern google com Originally committed as revision 23515 to svn://svn.ffmpeg.org/ffmpeg/trunk
Patch by James Zern, Google, Inc. Originally committed as revision 23449 to svn://svn.ffmpeg.org/ffmpeg/trunk