C++ (Cpp) srd_session_new Examples

Example #1

File: decoderstack.cpp Project: zeldin/pulseview

void DecoderStack::decode_proc()
{
	optional<int64_t> sample_count;
	srd_session *session;
	srd_decoder_inst *prev_di = NULL;

	assert(_snapshot);

	// Create the session
	srd_session_new(&session);
	assert(session);

	// Create the decoders
	const unsigned int unit_size = _snapshot->unit_size();

	for (const shared_ptr<decode::Decoder> &dec : _stack)
	{
		srd_decoder_inst *const di = dec->create_decoder_inst(session, unit_size);

		if (!di)
		{
			_error_message = tr("Failed to create decoder instance");
			srd_session_destroy(session);
			return;
		}

		if (prev_di)
			srd_inst_stack (session, prev_di, di);

		prev_di = di;
	}

	// Get the intial sample count
	{
		unique_lock<mutex> input_lock(_input_mutex);
		sample_count = _sample_count = _snapshot->get_sample_count();
	}

	// Start the session
	srd_session_metadata_set(session, SRD_CONF_SAMPLERATE,
		g_variant_new_uint64((uint64_t)_samplerate));

	srd_pd_output_callback_add(session, SRD_OUTPUT_ANN,
		DecoderStack::annotation_callback, this);

	srd_session_start(session);

	do {
		decode_data(*sample_count, unit_size, session);
	} while(_error_message.isEmpty() && (sample_count = wait_for_data()));

	// Destroy the session
	srd_session_destroy(session);
}

Example #2

File: main.c Project: brgl/sigrok-cli

int main(int argc, char **argv)
{
	g_log_set_default_handler(logger, NULL);

	if (parse_options(argc, argv)) {
		return 1;
	}

	/* Set the loglevel (amount of messages to output) for libsigrok. */
	if (sr_log_loglevel_set(opt_loglevel) != SR_OK)
		goto done;

	if (sr_init(&sr_ctx) != SR_OK)
		goto done;

#ifdef HAVE_SRD
	/* Set the loglevel (amount of messages to output) for libsigrokdecode. */
	if (srd_log_loglevel_set(opt_loglevel) != SRD_OK)
		goto done;

	if (opt_pds) {
		if (srd_init(NULL) != SRD_OK)
			goto done;
		if (srd_session_new(&srd_sess) != SRD_OK) {
			g_critical("Failed to create new decode session.");
			goto done;
		}
		if (register_pds(opt_pds, opt_pd_annotations) != 0)
			goto done;
		if (setup_pd_stack(opt_pds, opt_pd_stack, opt_pd_annotations) != 0)
			goto done;

		/* Only one output type is ever shown. */
		if (opt_pd_binary) {
			if (setup_pd_binary(opt_pd_binary) != 0)
				goto done;
			if (srd_pd_output_callback_add(srd_sess, SRD_OUTPUT_BINARY,
					show_pd_binary, NULL) != SRD_OK)
				goto done;
		} else if (opt_pd_meta) {
			if (setup_pd_meta(opt_pd_meta) != 0)
				goto done;
			if (srd_pd_output_callback_add(srd_sess, SRD_OUTPUT_META,
					show_pd_meta, NULL) != SRD_OK)
				goto done;
		} else {
			if (opt_pd_annotations)
				if (setup_pd_annotations(opt_pd_annotations) != 0)
					goto done;
			if (srd_pd_output_callback_add(srd_sess, SRD_OUTPUT_ANN,
					show_pd_annotations, NULL) != SRD_OK)
				goto done;
		}
	}
#endif

	if (opt_version)
		show_version();
	else if (opt_input_format && opt_show)
		show_input();
	else if (opt_output_format && opt_show)
		show_output();
	else if (opt_transform_module && opt_show)
		show_transform();
	else if (opt_scan_devs)
		show_dev_list();
#ifdef HAVE_SRD
	else if (opt_pds && opt_show)
		show_pd_detail();
#endif
	else if (opt_show)
		show_dev_detail();
	else if (opt_input_file)
		load_input_file();
	else if (opt_get)
		get_option();
	else if (opt_set)
		set_options();
	else if (opt_samples || opt_time || opt_frames || opt_continuous)
		run_session();
	else
		show_help();

#ifdef HAVE_SRD
	if (opt_pds)
		srd_exit();
#endif

done:
	if (sr_ctx)
		sr_exit(sr_ctx);

	return 0;
}