Merge "Fix build warnings in fir" (1574f41d) · Commits · e / os / android_frameworks_av

tools/resampler_tools/fir.cpp

+19 −19

Original line number	Diff line number	Diff line
		@@ -137,24 +137,24 @@ int main(int argc, char** argv)
		//
		int nzc = 8;

		//
		// Example:
		// 44.1 KHz to 48 KHz resampling
		// 100 dB rejection above 28 KHz
		// (the spectrum will fold around 24 KHz and we want 100 dB rejection
		// at the point where the folding reaches 20 KHz)
		// ...___\|_____
		// \| \\|
		// \| ____/\|\____
		// \|/alias\| \
		// ------/------+------\---------> KHz
		// 20 24 28

		// Transition band 8 KHz, or dw = 1.0472
		//
		// beta = 10.056
		// nzc = 20
		//
		/*
		* Example:
		* 44.1 KHz to 48 KHz resampling
		* 100 dB rejection above 28 KHz
		* (the spectrum will fold around 24 KHz and we want 100 dB rejection
		* at the point where the folding reaches 20 KHz)
		* ...___\|_____
		* \| \\|
		* \| ____/\|\____
		* \|/alias\| \
		* ------/------+------\---------> KHz
		* 20 24 28
		*
		* Transition band 8 KHz, or dw = 1.0472
		*
		* beta = 10.056
		* nzc = 20
		*/

		int M = 1 << 4; // number of phases for interpolation
		int ch;
		@@ -270,7 +270,7 @@ int main(int argc, char** argv)
		}
		}
		} else {
		for (int j=0 ; j<polyN ; j++) {
		for (unsigned int j=0 ; j<polyN ; j++) {
		// calculate the phase
		double p = ((polyM*j) % polyN) / double(polyN);
		if (!debug) printf("\n ");