From 8c69df689a9327b634f765f11984a76133d3777e Mon Sep 17 00:00:00 2001 From: Tim Redfern Date: Tue, 15 Nov 2022 18:07:58 +0000 Subject: minor audioin improvements --- audioin/src/ofApp.cpp | 23 +++++++++++++++++++++-- audioin/src/ofApp.h | 15 +++++++++++---- 2 files changed, 32 insertions(+), 6 deletions(-) diff --git a/audioin/src/ofApp.cpp b/audioin/src/ofApp.cpp index 4535c3c..cf454ce 100644 --- a/audioin/src/ofApp.cpp +++ b/audioin/src/ofApp.cpp @@ -9,7 +9,9 @@ void ofApp::setup(){ ofEnableAlphaBlending(); ofSetVerticalSync(true); - blockSize = SAMPLERATE / (frameRate*20); //200 + blockSize = SAMPLERATE / (frameRate*10); //80 + + ofSoundStreamListDevices(); soundStream.setup(this,0, 1, SAMPLERATE, blockSize, 1); @@ -17,6 +19,8 @@ void ofApp::setup(){ vScale=3.0f; hScale=8.0f; + + lineWidth=2.0f; } void ofApp::update(){ @@ -30,6 +34,8 @@ int frameNum=0; void ofApp::draw(){ ofBackground(0); + ofSetLineWidth(lineWidth); + ofPushMatrix(); ofTranslate(0,ofGetHeight()/2); @@ -37,16 +43,19 @@ void ofApp::draw(){ ofScale(1.0f,ofGetHeight()*vScale); ofPolyline line; + + line.addVertex(0,buffer[0]); float i=0.0f; while (i +//#include #define SAMPLERATE 48000 #define min(a,b) (ab?a:b) class Buffer{ public: Buffer(size_t sz=0){ if (sz){ data =new float[sz]; + memset(data,0,sz*sizeof(float)); size=sz; } + else data=NULL; } ~Buffer(){ - delete data; + if (data){ + //delete[] data; //why is this throwing an error + } } void add(float * input, int num){ - memcpy(&data[writePoint],input,min(num,size-writePoint)*4); + memcpy(&data[writePoint],input,min(num,size-writePoint)*sizeof(float)); if (size-writePoint