GetTotalSizeOfSubsamples   25 media/formats/mp4/cenc.h   bool GetTotalSizeOfSubsamples(size_t* total_size) const WARN_UNUSED_RESULT;
GetTotalSizeOfSubsamples  464 media/formats/mp4/track_run_iterator.cc       (!cenc_info.GetTotalSizeOfSubsamples(&total_size) ||