fmod | 易学教程

C++:Undefined reference to 'FMOD:: X'

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问题 After looking around for various sound API libraries, I have decided to use FMOD for the time being. Problem is that whenever I try to compile one of the code examples, I get the following errors: obj\Release\main.o:main.cpp|| undefined reference to `FMOD::System::getVersion(unsigned int*)@8'| obj\Release\main.o:main.cpp|| undefined reference to `FMOD::System::init(int, unsigned int, void*)@16'| obj\Release\main.o:main.cpp|| undefined reference to `FMOD::System::createSound(char const*,

FMOD Stop or Reset a DSP?

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问题 I have a question about stopping DSP's in FMOD. I have a button that I want to stop my DSP from being enabled. - (IBAction)myButton:(id)sender { FMOD_DSP_Reset(FMOD_DSP_TYPE_ECHO *myEcho); } Any ideas? I've looked into the documentation - but it's not working for me. Any help would he highly appreciated! 回答1: Ah! I figured it out - it was simple. I think I was over complicating it. All I needed to do was throw in the simple remove call into the action. :) result = myEcho->remove(); 回答2: There

Loading FMOD purely from native code

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问题 I found an example called nativeactivity in FMOD example folder, but unfortunately it use some java code: package org.fmod.nativeactivity; public class Example extends android.app.NativeActivity { static { System.loadLibrary("fmodex"); System.loadLibrary("main"); } } Android.mk looks like this: LOCAL_PATH := $(call my-dir) # # FMOD Ex Shared Library # include $(CLEAR_VARS) LOCAL_MODULE := fmodex LOCAL_SRC_FILES := libfmodex.so LOCAL_EXPORT_C_INCLUDES := $(LOCAL_PATH)/inc include $(PREBUILT

output of fmod function c++

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问题 Given: #include <iostream> #include <cmath> #include <limits> using namespace std; int main() { // your code goes here double h = .1; double x = 1; int nSteps = abs(x / h); double rem = fmod(x, h); cout<<"fmod output is "<<rem<<endl; if(abs(rem)<std::numeric_limits<double>::epsilon()) cout<<"fmod output is almost near 0"<<endl; rem = remainder(x,h); cout<<"remainder output is "<<rem<<endl; if(abs(rem)<std::numeric_limits<double>::epsilon()) cout<<"remainder output is almost near 0"<<endl;

Save output to disk using FMOD

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问题 I am using FMOD to play some sounds and I would like to save the resulting mix to the disk. I have been trying the system->recordStart(0, sound, true) path, but that saves the microphone input of the device. In some way, I would like to redirect the speakers output to the disk Thank you Marc 回答1: To redirect everything that would go to the speakers to disk simply use the function System::setOutput and pass in a value of FMOD_OUTPUTTYPE_WAVWRITER. Make sure you call this function before you

how to play midi file in android use fmod

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问题 I am trying to play midi file using fmod. But there is an error says that :a resource that the plugin requires cannot be found,(ie the DLS file for MIDI playback) I have searched results for problems like this,and referred to the fmod.h files. It seems that I need a file named "gs_instrument.dls" but I cannot find it in my mac as well as the android simulator filesystem. I have also searched the resources in the web,no result either. So what should I do if I want to play midi file in android

C 库函数 - fmod()

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C 库函数 - fmod() 转自： C 标准库 - <math.h> 描述 C 库函数 double fmod(double x, double y) 返回 x 除以 y 的余数。声明下面是 fmod() 函数的声明。 double fmod(double x, double y) 参数 x -- 代表分子的浮点值。 y -- 代表分母的浮点值。返回值该函数返回 x/y 的余数。实例下面的实例演示了 fmod() 函数的用法。 1 #include <stdio.h> 2 #include <math.h> 3 4 int main () 5 { 6 float a, b; 7 int c; 8 a = 9.2; 9 b = 3.7; 10 c = 2; 11 printf("%f / %d 的余数是 %lf\n", a, c, fmod(a,c)); 12 printf("%f / %f 的余数是 %lf\n", a, b, fmod(a,b)); 13 14 return(0); 15 } 让我们编译并运行上面的程序，这将产生以下结果： 1 9.200000 / 2 的余数是 1.200000 2 9.200000 / 3.700000 的余数是 1.800000 C 标准库 - <math.h> 来源： https://www.cnblogs.com

C & Fmod Ex - playing a PCM array/buffer in Real Time

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问题 I use an array to process radio signal and to obtain raw PCM audio. I am desperately trying to play this audio using Fmod Ex. Basically, would it be possible to create a stream corresponding to my circular buffer, that I could access in a thread-safe way ? Any basic information about what methods to use would be greatly appreciated. If no, could any other Windows 7 API do the trick and how ? (ASIO, Wasapi...) Thx °-° 回答1: I'm assuming your data is continuous (always updating) so you would

What does the auto c++ keyword do? [duplicate]

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问题 This question already has answers here : What is the point of the 'auto' keyword? (7 answers) C++ auto keyword. Why is it magic? (5 answers) Closed 5 years ago . I recently came accross the keyword auto in c++. In the code: auto maxIterator = std::max_element(&spec[0], &spec[sampleSize]); float maxVol = *maxIterator; // Normalize if (maxVol != 0) std::transform(&spec[0], &spec[sampleSize], &spec[0], [maxVol] (float dB) -> float { return dB / maxVol; }); This is to do with running a frequency

C++:Undefined reference to 'FMOD:: X'

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可以将文章内容翻译成中文,广告屏蔽插件可能会导致该功能失效(如失效，请关闭广告屏蔽插件后再试): 问题: After looking around for various sound API libraries, I have decided to use FMOD for the time being. Problem is that whenever I try to compile one of the code examples, I get the following errors: obj\Release\main.o:main.cpp|| undefined reference to `FMOD::System::getVersion(unsigned int*)@8'| obj\Release\main.o:main.cpp|| undefined reference to `FMOD::System::init(int, unsigned int, void*)@16'| obj\Release\main.o:main.cpp|| undefined reference to `FMOD::System::createSound(char const*, unsigned int, FMOD_CREATESOUNDEXINFO*, FMOD::Sound**)