ff_videotoolbox_avcc_extradata_create  747 libavcodec/videotoolbox.c         data = ff_videotoolbox_avcc_extradata_create(avctx);
ff_videotoolbox_avcc_extradata_create   55 libavcodec/vt_internal.h CFDataRef ff_videotoolbox_avcc_extradata_create(AVCodecContext *avctx);