e2b54464c6
In particular, allow to reject undefined values. Previously the code was only accepting values in the range -1 .. NB_FORMATS-1.
FFmpeg README ------------- 1) Documentation ---------------- * Read the documentation in the doc/ directory in git. You can also view it online at http://ffmpeg.org/documentation.html 2) Licensing ------------ * See the LICENSE file. 3) Build and Install -------------------- * See the INSTALL file.