1524 	size_t recv_len, buf_len, buf_cap, channel_len;  in test_audio_frequencies()  local
1572 	channel_len = CAPTURE_SAMPLES;  in test_audio_frequencies()
1573 	channel = malloc(sizeof(double) * channel_len);  in test_audio_frequencies()
1575 	buf_cap = state->capture.channels * channel_len;  in test_audio_frequencies()
1602 			audio_extract_channel_s32_le(channel, channel_len,  in test_audio_frequencies()
1609 						channel, channel_len))  in test_audio_frequencies()
1698 	size_t recv_len, i, channel_len;  in test_audio_flatline()  local
1731 			channel_len = audio_extract_channel_s32_le(NULL, 0,  in test_audio_flatline()
1735 			channel = malloc(channel_len * sizeof(double));  in test_audio_flatline()
1736 			audio_extract_channel_s32_le(channel, channel_len,  in test_audio_flatline()
1742 			if (detect_flatline_amplitude(channel, channel_len,  in test_audio_flatline()
1750 			j = detect_falling_edge(channel, channel_len);  in test_audio_flatline()