avcodec.h

 *                user is supposed to know nothing about its structure
 * \param cmd     type of operation to be performed
 * \param pint    input parameter
 * \param pout    output parameter
 *
 * \returns  command status - eventually for query command it might return
 * integer resulting value
 */
int avcodec(void* handle, avc_cmd_t cmd, void* pin, void* pout);

/* memory */
void *av_malloc(int size);
void *av_mallocz(int size);
void av_free(void *ptr);
void __av_freep(void **ptr);
#define av_freep(p) __av_freep((void **)(p))

#endif /* AVCODEC_H */