av_videotoolbox_default_init2  157 fftools/ffmpeg_videotoolbox.c             ret = av_videotoolbox_default_init2(s, vtctx);
av_videotoolbox_default_init2 1237 libavcodec/videotoolbox.c     return av_videotoolbox_default_init2(avctx, NULL);
av_videotoolbox_default_init2  113 libavcodec/videotoolbox.h int av_videotoolbox_default_init2(AVCodecContext *avctx, AVVideotoolboxContext *vtctx);