19 int generator_context_init(struct test_generator *gen,  in generator_context_init()  argument
28 	gen->fd = open("/dev/urandom", O_RDONLY);  in generator_context_init()
29 	if (gen->fd < 0)  in generator_context_init()
32 	gen->private_data = malloc(private_size);  in generator_context_init()
33 	if (gen->private_data == NULL)  in generator_context_init()
35 	memset(gen->private_data, 0, private_size);  in generator_context_init()
37 	gen->access_mask = access_mask;  in generator_context_init()
38 	gen->sample_format_mask = sample_format_mask;  in generator_context_init()
39 	gen->min_samples_per_frame = min_samples_per_frame;  in generator_context_init()
40 	gen->max_samples_per_frame = max_samples_per_frame;  in generator_context_init()
41 	gen->min_frame_count = min_frame_count;  in generator_context_init()
42 	gen->max_frame_count = max_frame_count;  in generator_context_init()
43 	gen->step_frame_count = step_frame_count;  in generator_context_init()
148 static int test_frame_count(struct test_generator *gen,  in test_frame_count()  argument
176 				 gen->max_frame_count);  in test_frame_count()
180 	err = fill(gen->fd, frame_buffer, access, sample_format,  in test_frame_count()
181 		   samples_per_frame, gen->max_frame_count);  in test_frame_count()
186 	for (i = gen->min_frame_count;  in test_frame_count()
187 	     i <= gen->max_frame_count; i += gen->step_frame_count) {  in test_frame_count()
188 		err = gen->cb(gen, access ,sample_format, samples_per_frame,  in test_frame_count()
199 static int test_samples_per_frame(struct test_generator *gen,  in test_samples_per_frame()  argument
206 	for (i = gen->min_samples_per_frame;  in test_samples_per_frame()
207 	     i <= gen->max_samples_per_frame; ++i) {  in test_samples_per_frame()
208 		err = test_frame_count(gen, access, sample_format, i);  in test_samples_per_frame()
216 static int test_sample_format(struct test_generator *gen,  in test_sample_format()  argument
223 		if (!((1ull << i) & gen->sample_format_mask))  in test_sample_format()
226 		err = test_samples_per_frame(gen, access, i);  in test_sample_format()
234 static int test_access(struct test_generator *gen)  in test_access()  argument
240 		if (!((1ull << i) & gen->access_mask))  in test_access()
243 		err = test_sample_format(gen, i);  in test_access()
250 int generator_context_run(struct test_generator *gen, generator_cb_t cb)  in generator_context_run()  argument
252 	gen->cb = cb;  in generator_context_run()
253 	return test_access(gen);  in generator_context_run()
256 void generator_context_destroy(struct test_generator *gen)  in generator_context_destroy()  argument
258 	free(gen->private_data);  in generator_context_destroy()
259 	close(gen->fd);  in generator_context_destroy()