↓ 5 callersFunctionWebRtcSpl_UpBy2ShortToIntinterpolator input: int16_t output: int32_t (normalized, not saturated) (of length len*2) state: filter state array; length = 8
rhubarb/lib/webrtc-8d2248ff/webrtc/common_audio/signal_processing/resample_by_2_internal.c:200