ESF_GOPSTRUCTURE

Used to select the GOP structure of a compressed video stream.

typedef enum
{
  ESF_GOPSTRUCTURE_IONLY = 0,
  ESF_GOPSTRUCTURE_IPONLY,
  ESF_GOPSTRUCTURE_IPB
} ESF_GOPSTRUCTURE;

ESF_GOPSTRUCTURE_IONLY	The MPEG-4 compressed media stream contains only I (intra) frames.
ESF_GOPSTRUCTURE_IPONLY	The MPEG-4 compressed media stream contains only I (intra) and P (predictive) frames.
ESF_GOPSTRUCTURE_IPB	The MPEG-4 compressed media stream contains I (intra), P (predictive) and B (bidirectionnal) frames.