IVFEncContext      82 libavformat/ivfenc.c     IVFEncContext *ctx = s->priv_data;
IVFEncContext      98 libavformat/ivfenc.c     IVFEncContext *ctx = s->priv_data;
IVFEncContext     121 libavformat/ivfenc.c     .priv_data_size = sizeof(IVFEncContext),