241 	char **chan_samples;  in TEST_F()  local
244 	chan_samples = calloc(CH_NUM, sizeof(*chan_samples));  in TEST_F()
245 	ASSERT_NE(chan_samples, NULL);  in TEST_F()
256 		chan_samples[i] = calloc(params.sec_buf_len * params.time, 1);  in TEST_F()
259 		read_res = snd_pcm_readn(handle, (void **)chan_samples, params.rate * params.time);  in TEST_F()
266 			ASSERT_EQ(chan_samples[i][j], patterns[i].buf[j % patterns[i].len]);  in TEST_F()
267 		free(chan_samples[i]);  in TEST_F()
269 	free(chan_samples);  in TEST_F()
275 	char **chan_samples;  in TEST_F()  local
279 	chan_samples = calloc(CH_NUM, sizeof(*chan_samples));  in TEST_F()
280 	ASSERT_NE(chan_samples, NULL);  in TEST_F()
291 		chan_samples[i] = calloc(params.sec_buf_len * params.time, 1);  in TEST_F()
293 			chan_samples[i][j] = patterns[i].buf[j % patterns[i].len];  in TEST_F()
297 		read_res = snd_pcm_writen(handle, (void **)chan_samples, params.rate * params.time);  in TEST_F()
306 		free(chan_samples[i]);  in TEST_F()
307 	free(chan_samples);  in TEST_F()