* Returns the next available frame in picture. *got_picture_ptr
* will be 0 if none is available.
* The return value on success is the size of the consumed packet for
- * compatiblity with avcodec_decode_video2(). This means the decoder
+ * compatibility with avcodec_decode_video2(). This means the decoder
* has to consume the full packet.
*
* Parameters are the same as avcodec_decode_video2().