SRD_PRIV int srd_inst_start(struct srd_decoder_inst *di);
SRD_PRIV int srd_inst_decode(const struct srd_decoder_inst *di,
uint64_t start_samplenum, uint64_t end_samplenum,
SRD_PRIV int srd_inst_start(struct srd_decoder_inst *di);
SRD_PRIV int srd_inst_decode(const struct srd_decoder_inst *di,
uint64_t start_samplenum, uint64_t end_samplenum,