int srd_instance_start(struct srd_decoder_instance *di, PyObject *args);
int srd_instance_decode(uint64_t start_samplenum,
struct srd_decoder_instance *dec, uint8_t *inbuf, uint64_t inbuflen);
int srd_instance_start(struct srd_decoder_instance *di, PyObject *args);
int srd_instance_decode(uint64_t start_samplenum,
struct srd_decoder_instance *dec, uint8_t *inbuf, uint64_t inbuflen);