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authorTim Redfern <tim@getdrop.com>2022-11-15 01:48:26 +0000
committerTim Redfern <tim@getdrop.com>2022-11-15 01:48:26 +0000
commit25467cc7d96c56eb2b739a3ffb093ab5a9c57b13 (patch)
tree94a350bc12ad4735858b58156590ae257f48f358
parentaf28dee8c32670db6a9eaf19793678a119cf1dd4 (diff)
testing oscilloscope latency
-rw-r--r--audioin/Makefile13
-rw-r--r--audioin/addons.make0
-rw-r--r--audioin/config.make142
-rw-r--r--audioin/src/main.cpp13
-rw-r--r--audioin/src/ofApp.cpp144
-rw-r--r--audioin/src/ofApp.h68
6 files changed, 380 insertions, 0 deletions
diff --git a/audioin/Makefile b/audioin/Makefile
new file mode 100644
index 0000000..177e172
--- /dev/null
+++ b/audioin/Makefile
@@ -0,0 +1,13 @@
+# Attempt to load a config.make file.
+# If none is found, project defaults in config.project.make will be used.
+ifneq ($(wildcard config.make),)
+ include config.make
+endif
+
+# make sure the the OF_ROOT location is defined
+ifndef OF_ROOT
+ OF_ROOT=$(realpath ../../..)
+endif
+
+# call the project makefile!
+include $(OF_ROOT)/libs/openFrameworksCompiled/project/makefileCommon/compile.project.mk
diff --git a/audioin/addons.make b/audioin/addons.make
new file mode 100644
index 0000000..e69de29
--- /dev/null
+++ b/audioin/addons.make
diff --git a/audioin/config.make b/audioin/config.make
new file mode 100644
index 0000000..73776f4
--- /dev/null
+++ b/audioin/config.make
@@ -0,0 +1,142 @@
+################################################################################
+# CONFIGURE PROJECT MAKEFILE (optional)
+# This file is where we make project specific configurations.
+################################################################################
+
+################################################################################
+# OF ROOT
+# The location of your root openFrameworks installation
+# (default) OF_ROOT = ../../..
+################################################################################
+OF_ROOT = ../../openFrameworks
+
+################################################################################
+# PROJECT ROOT
+# The location of the project - a starting place for searching for files
+# (default) PROJECT_ROOT = . (this directory)
+#
+################################################################################
+# PROJECT_ROOT = .
+
+################################################################################
+# PROJECT SPECIFIC CHECKS
+# This is a project defined section to create internal makefile flags to
+# conditionally enable or disable the addition of various features within
+# this makefile. For instance, if you want to make changes based on whether
+# GTK is installed, one might test that here and create a variable to check.
+################################################################################
+# None
+
+################################################################################
+# PROJECT EXTERNAL SOURCE PATHS
+# These are fully qualified paths that are not within the PROJECT_ROOT folder.
+# Like source folders in the PROJECT_ROOT, these paths are subject to
+# exlclusion via the PROJECT_EXLCUSIONS list.
+#
+# (default) PROJECT_EXTERNAL_SOURCE_PATHS = (blank)
+#
+# Note: Leave a leading space when adding list items with the += operator
+################################################################################
+# PROJECT_EXTERNAL_SOURCE_PATHS =
+
+################################################################################
+# PROJECT EXCLUSIONS
+# These makefiles assume that all folders in your current project directory
+# and any listed in the PROJECT_EXTERNAL_SOURCH_PATHS are are valid locations
+# to look for source code. The any folders or files that match any of the
+# items in the PROJECT_EXCLUSIONS list below will be ignored.
+#
+# Each item in the PROJECT_EXCLUSIONS list will be treated as a complete
+# string unless teh user adds a wildcard (%) operator to match subdirectories.
+# GNU make only allows one wildcard for matching. The second wildcard (%) is
+# treated literally.
+#
+# (default) PROJECT_EXCLUSIONS = (blank)
+#
+# Will automatically exclude the following:
+#
+# $(PROJECT_ROOT)/bin%
+# $(PROJECT_ROOT)/obj%
+# $(PROJECT_ROOT)/%.xcodeproj
+#
+# Note: Leave a leading space when adding list items with the += operator
+################################################################################
+# PROJECT_EXCLUSIONS =
+
+################################################################################
+# PROJECT LINKER FLAGS
+# These flags will be sent to the linker when compiling the executable.
+#
+# (default) PROJECT_LDFLAGS = -Wl,-rpath=./libs
+#
+# Note: Leave a leading space when adding list items with the += operator
+################################################################################
+
+# Currently, shared libraries that are needed are copied to the
+# $(PROJECT_ROOT)/bin/libs directory. The following LDFLAGS tell the linker to
+# add a runtime path to search for those shared libraries, since they aren't
+# incorporated directly into the final executable application binary.
+# TODO: should this be a default setting?
+# PROJECT_LDFLAGS=-Wl,-rpath=./libs
+
+################################################################################
+# PROJECT DEFINES
+# Create a space-delimited list of DEFINES. The list will be converted into
+# CFLAGS with the "-D" flag later in the makefile.
+#
+# (default) PROJECT_DEFINES = (blank)
+#
+# Note: Leave a leading space when adding list items with the += operator
+################################################################################
+# PROJECT_DEFINES =
+
+################################################################################
+# PROJECT CFLAGS
+# This is a list of fully qualified CFLAGS required when compiling for this
+# project. These CFLAGS will be used IN ADDITION TO the PLATFORM_CFLAGS
+# defined in your platform specific core configuration files. These flags are
+# presented to the compiler BEFORE the PROJECT_OPTIMIZATION_CFLAGS below.
+#
+# (default) PROJECT_CFLAGS = (blank)
+#
+# Note: Before adding PROJECT_CFLAGS, note that the PLATFORM_CFLAGS defined in
+# your platform specific configuration file will be applied by default and
+# further flags here may not be needed.
+#
+# Note: Leave a leading space when adding list items with the += operator
+################################################################################
+PROJECT_CFLAGS = -Ilibs/ringbuf/include
+
+################################################################################
+# PROJECT OPTIMIZATION CFLAGS
+# These are lists of CFLAGS that are target-specific. While any flags could
+# be conditionally added, they are usually limited to optimization flags.
+# These flags are added BEFORE the PROJECT_CFLAGS.
+#
+# PROJECT_OPTIMIZATION_CFLAGS_RELEASE flags are only applied to RELEASE targets.
+#
+# (default) PROJECT_OPTIMIZATION_CFLAGS_RELEASE = (blank)
+#
+# PROJECT_OPTIMIZATION_CFLAGS_DEBUG flags are only applied to DEBUG targets.
+#
+# (default) PROJECT_OPTIMIZATION_CFLAGS_DEBUG = (blank)
+#
+# Note: Before adding PROJECT_OPTIMIZATION_CFLAGS, please note that the
+# PLATFORM_OPTIMIZATION_CFLAGS defined in your platform specific configuration
+# file will be applied by default and further optimization flags here may not
+# be needed.
+#
+# Note: Leave a leading space when adding list items with the += operator
+################################################################################
+# PROJECT_OPTIMIZATION_CFLAGS_RELEASE =
+# PROJECT_OPTIMIZATION_CFLAGS_DEBUG =
+
+################################################################################
+# PROJECT COMPILERS
+# Custom compilers can be set for CC and CXX
+# (default) PROJECT_CXX = (blank)
+# (default) PROJECT_CC = (blank)
+# Note: Leave a leading space when adding list items with the += operator
+################################################################################
+# PROJECT_CXX =
+# PROJECT_CC =
diff --git a/audioin/src/main.cpp b/audioin/src/main.cpp
new file mode 100644
index 0000000..e57370b
--- /dev/null
+++ b/audioin/src/main.cpp
@@ -0,0 +1,13 @@
+#include "ofMain.h"
+#include "ofApp.h"
+
+//========================================================================
+int main( ){
+ ofSetupOpenGL(1024,768,OF_WINDOW); // <-------- setup the GL context
+
+ // this kicks off the running of my app
+ // can be OF_WINDOW or OF_FULLSCREEN
+ // pass in width and height too:
+ ofRunApp(new ofApp());
+
+}
diff --git a/audioin/src/ofApp.cpp b/audioin/src/ofApp.cpp
new file mode 100644
index 0000000..4535c3c
--- /dev/null
+++ b/audioin/src/ofApp.cpp
@@ -0,0 +1,144 @@
+#include "ofApp.h"
+void ofApp::setup(){
+
+ int frameRate=60;
+
+ ofSetFrameRate(frameRate);
+ ofBackground(0);
+ ofEnableSmoothing();
+ ofEnableAlphaBlending();
+ ofSetVerticalSync(true);
+
+ blockSize = SAMPLERATE / (frameRate*20); //200
+
+ soundStream.setup(this,0, 1, SAMPLERATE, blockSize, 1);
+
+ buffer=Buffer(SAMPLERATE);
+
+ vScale=3.0f;
+ hScale=8.0f;
+
+}
+void ofApp::update(){
+
+
+}
+
+int sampleNum=0;
+int frameNum=0;
+
+void ofApp::draw(){
+ ofBackground(0);
+
+ ofPushMatrix();
+
+ ofTranslate(0,ofGetHeight()/2);
+
+ ofScale(1.0f,ofGetHeight()*vScale);
+
+ ofPolyline line;
+ line.addVertex(0,buffer[0]);
+
+ float i=0.0f;
+ while (i<ofGetWidth()){
+ line.curveTo(i,buffer[(int)i]);
+ i+=hScale;
+ }
+
+ line.draw();
+
+ ofPopMatrix();
+
+ frameNum++;
+
+}
+
+
+
+void ofApp::audioIn(float * input, int blockSize, int nChannels){
+ //ofLog()<< "frame "<<frameNum<<" ,got blockr "<<sampleNum++<<" , "<<nChannels<<" channels "<<blockSize<<" samples";
+
+// for (int i=0;i<blockSize;i++){
+// buffer.push_front()
+// }
+
+ //ofLog()<< "samples: "<<input[0]<<" "<<input[1]<<" "<<input[2]<<" ";
+
+ buffer.add(input,blockSize);
+
+}
+
+
+
+
+//--------------------------------------------------------------
+void ofApp::keyPressed(int key){
+ switch(key){
+ case 'f':{
+ ofToggleFullscreen();
+ break;
+ }
+ case 'i':{
+ vScale*=1.1f;
+ ofLog()<< "vScale: "<<vScale;
+ break;
+ }
+ case 'm':{
+ vScale/=1.1f;
+ ofLog()<< "vScale: "<<vScale;
+ break;
+ }
+ case 'j':{
+ hScale*=1.1f;
+ ofLog()<< "hScale: "<<hScale;
+ break;
+ }
+ case 'k':{
+ hScale/=1.1f;
+ ofLog()<< "hScale: "<<hScale;
+ break;
+ }
+ default:
+ break;
+ }
+
+}
+
+//--------------------------------------------------------------
+void ofApp::keyReleased(int key){
+
+}
+
+//--------------------------------------------------------------
+void ofApp::mouseMoved(int x, int y ){
+
+}
+
+void ofApp::mouseDragged(int x, int y, int button){
+
+}
+
+//--------------------------------------------------------------
+void ofApp::mousePressed(int x, int y, int button){
+
+}
+
+//--------------------------------------------------------------
+void ofApp::mouseReleased(int x, int y, int button){
+
+}
+
+//--------------------------------------------------------------
+void ofApp::windowResized(int w, int h){
+
+}
+
+//--------------------------------------------------------------
+void ofApp::gotMessage(ofMessage msg){
+
+}
+
+//--------------------------------------------------------------
+void ofApp::dragEvent(ofDragInfo dragInfo){
+
+}
diff --git a/audioin/src/ofApp.h b/audioin/src/ofApp.h
new file mode 100644
index 0000000..cecc23e
--- /dev/null
+++ b/audioin/src/ofApp.h
@@ -0,0 +1,68 @@
+#pragma once
+
+#include "ofMain.h"
+
+#include <baudvine/ringbuf.h>
+
+#define SAMPLERATE 48000
+#define min(a,b) (a<b?a:b)
+
+class Buffer{
+public:
+ Buffer(size_t sz=0){
+ if (sz){
+ data =new float[sz];
+ size=sz;
+ }
+ }
+ ~Buffer(){
+ delete data;
+ }
+ void add(float * input, int num){
+ memcpy(&data[writePoint],input,min(num,size-writePoint)*4);
+ if (size-writePoint<num){
+ memcpy(data,&input[size-writePoint],(num-(size-writePoint))*4);
+ writePoint=num-(size-writePoint);
+ }
+ else writePoint+=num;
+ }
+ float operator [] (int i) const {return data[writePoint>i?writePoint-i:size-(i-writePoint)];}
+ float& operator [] (int i) {return data[writePoint>i?writePoint-i:size-(i-writePoint)];}
+private:
+ size_t size;
+ float *data;
+ int writePoint;
+};
+
+class ofApp : public ofBaseApp{
+
+ public:
+ void setup();
+ void update();
+ void draw();
+
+ void keyPressed(int key);
+ void keyReleased(int key);
+ void mouseMoved(int x, int y );
+ void mouseDragged(int x, int y, int button);
+ void mousePressed(int x, int y, int button);
+ void mouseReleased(int x, int y, int button);
+ void windowResized(int w, int h);
+ void dragEvent(ofDragInfo dragInfo);
+ void gotMessage(ofMessage msg);
+
+ void audioIn(float * input, int bufferSize, int nChannels);
+
+ ofSoundStream soundStream;
+ int blockSize;
+ int sampleRate;
+
+ int frameHead; //last sample drawn
+
+ //baudvine::RingBuf<float, SAMPLERATE> buffer;
+
+ Buffer buffer;
+
+ float hScale;
+ float vScale;
+};