使用rtl_sdr直接作为stdout输出，测试成功

modules/transforms/resample_pqfraction/main.cpp

@@ -352,7 +352,7 @@ int do_resample(const cmdlineParser & args)
 						const int samples = packagedta.size()/sizeof(char);
 						for (int spid = 0;spid < samples; ++spid )
 						{
-							input_f[0][input_clk % nBatchSize] = pdata[spid];
+							input_f[0][input_clk % nBatchSize] = ((short)(pdata[spid])-127)*128;
 							++input_clk;
 							if (input_clk % nBatchSize==0)
 								calc_resample();
@@ -360,12 +360,12 @@ int do_resample(const cmdlineParser & args)
 					}
 					else
 					{
-						const unsigned (* pdata)[2] = (const unsigned ( *)[2]) packagedta.data();
+						const unsigned char (* pdata)[2] = (const unsigned char ( *)[2]) packagedta.data();
 						const int samples = packagedta.size()/sizeof(char)/2;
 						for (int spid = 0;spid < samples; ++ spid)
 						{
-							input_f[0][input_clk % nBatchSize] = pdata[spid][0];
-							input_f[1][input_clk % nBatchSize] = pdata[spid][1];
+							input_f[0][input_clk % nBatchSize] = ((short)(pdata[spid][0])-127)*128;
+							input_f[1][input_clk % nBatchSize] = ((short)(pdata[spid][1])-127)*128;
 							++input_clk;
 							if (input_clk % nBatchSize==0)
 								calc_resample();