Merge "use libc's powerof2" (813a561a) · Commits · e / os / android_frameworks_av

media/libeffects/dynamicsproc/EffectDynamicsProcessing.cpp

+2 −6

Original line number	Diff line number	Diff line
		@@ -25,6 +25,7 @@
		#include <new>

		#include <log/log.h>
		#include <sys/param.h>

		#include <audio_effects/effect_dynamicsprocessing.h>
		#include <dsp/DPBase.h>
		@@ -225,10 +226,6 @@ void DP_changeVariant(DynamicsProcessingContext *pContext, int newVariant) {
		} //switch
		}

		static inline bool isPowerOf2(unsigned long n) {
		return (n & (n - 1)) == 0;
		}

		void DP_configureVariant(DynamicsProcessingContext *pContext, int newVariant) {
		ALOGV("DP_configureVariant %d", newVariant);
		switch(newVariant) {
		@@ -242,7 +239,7 @@ void DP_configureVariant(DynamicsProcessingContext *pContext, int newVariant) {
		desiredBlock);
		if (desiredBlock < minBlockSize) {
		currentBlock = minBlockSize;
		} else if (!isPowerOf2(desiredBlock)) {
		} else if (!powerof2(desiredBlock)) {
		//find next highest power of 2.
		currentBlock = 1 << (32 - __builtin_clz(desiredBlock));
		}
		@@ -1297,4 +1294,3 @@ audio_effect_library_t AUDIO_EFFECT_LIBRARY_INFO_SYM = {
		};

		}; // extern "C"

+2 −5

Original line number	Diff line number	Diff line
		@@ -20,6 +20,7 @@
		#include <log/log.h>
		#include "DPFrequency.h"
		#include <algorithm>
		#include <sys/param.h>

		namespace dp_fx {

		@@ -30,10 +31,6 @@ using Eigen::MatrixXd;
		#define CIRCULAR_BUFFER_UPSAMPLE 4 //4 times buffer size

		static constexpr float MIN_ENVELOPE = 1e-6f; //-120 dB
		//helper functionS
		static inline bool isPowerOf2(unsigned long n) {
		return (n & (n - 1)) == 0;
		}
		static constexpr float EPSILON = 0.0000001f;

		static inline bool isZero(float f) {
		@@ -151,7 +148,7 @@ void DPFrequency::configure(size_t blockSize, size_t overlapSize,
		} else if (mBlockSize < MIN_BLOCKSIZE) {
		mBlockSize = MIN_BLOCKSIZE;
		} else {
		if (!isPowerOf2(blockSize)) {
		if (!powerof2(blockSize)) {
		//find next highest power of 2.
		mBlockSize = 1 << (32 - __builtin_clz(blockSize));
		}