VIDEOTOOLBOX_ESDS_EXTRADATA_PADDING  520 libavcodec/videotoolbox.c     if (!(rw_extradata = av_mallocz(full_size + VIDEOTOOLBOX_ESDS_EXTRADATA_PADDING)))
VIDEOTOOLBOX_ESDS_EXTRADATA_PADDING  523 libavcodec/videotoolbox.c     bytestream2_init_writer(&pb, rw_extradata, full_size + VIDEOTOOLBOX_ESDS_EXTRADATA_PADDING);