struct srd_decoder_instance *srd_instance_find(char *instance_id);
int srd_instance_start(struct srd_decoder_instance *di, PyObject *args);
int srd_instance_decode(uint64_t start_samplenum,
struct srd_decoder_instance *srd_instance_find(char *instance_id);
int srd_instance_start(struct srd_decoder_instance *di, PyObject *args);
int srd_instance_decode(uint64_t start_samplenum,