To Record audio and store it in a location and play it again?

[Naufal]

Hi All,
I am trying to work out a prog with 3 buttons in qml,one for recording an audio,another for stopping and another for playing it. I need to record the audio and store them in a location(path) and retrieve it for playing it again.
I have seen these links but could not find any solution from it.

Link 1":http://doc.qt.nokia.com/qtmobility-1.2/multimedia.html "
using this link i am not able to get any idea to proceed..

I have seen this similar forum":http://developer.qt.nokia.com/forums/viewthread/14278/ "

But none replied i guess. I am expecting some solutions regarding this !!!
Can anyone help me in sorting out..

[koahnig]

I have fixed the links in your post. They were borken. Apparently, you have typed/pasted the link and then marked it before pressing the link button. This is meant for explanatory text handling. The link should be introduced in the link message box.

[batosai]

check out the qt example "spectrum analyser" what u r asking for is a part of that example

[Naufal]

Hi, Thanks for your reply..I will check that out and tell you in sometime as i am new to qml,needs some time to go through and tell you...

[Naufal]

Hi All,

   I cannot Understand spectrum properly batosai..so i am trying this
  I have checked this "link":http://www.qtforum.org/article/35565/audio-recorder.html?s=e744e7b5ed0e159046adc10a548aa194cd2349c6 and tried some functions from those. Now i am able to play the song.. I cannot able to stop and also cannot record the song or voice on my own.Here is my code.

AudioBuffer.cpp
@
#include "AudioBuffer.h"
#include <QAudio>
#include <QMediaPlayer>
#include <QAudioCaptureSource>
#include <QAudioInput>
#include <QAudiooutput>
#include <QAudioCaptureSource>
#include <QMediaRecorder>

AudioBuffer::AudioBuffer()
{
audioSource = new QAudioCaptureSource();
capture = new QMediaRecorder(audioSource);

QAudioEncoderSettings es;
es.setCodec("audio/mp3");
es.setSampleRate(96000);
capture->setEncodingSettings(es);
capture->setOutputLocation(QUrl("C:/Kalimba.mp3"));

// active = false;
}

AudioBuffer::~AudioBuffer()
{
delete audioSource;
delete capture;
}

void AudioBuffer::record()
{
???
capture->record();
???
}

void AudioBuffer::stop()
{
????
QMediaPlayer *player = new QMediaPlayer;
capture->stop();
qDebug()<<"Player Stopped";
????

}

void AudioBuffer::play()
{
QMediaPlayer *player = new QMediaPlayer;
QUrl url = QUrl::fromLocalFile("F:\Vennira Iravugal.mp3");
player->setMedia(url);
qDebug()<< url;
player->setVolume(100);
qDebug()<<"Player: "<< player->errorString();
player->play();
qDebug()<<"Player: "<< player->errorString();
}
@

AudioBuffer.h
@
#include <QUrl>
#include <QObject>
#include <QAudioFormat>
#include <QAudioCaptureSource>
#include <QMediaRecorder>

class AudioBuffer : public QObject
{
Q_OBJECT

public:
AudioBuffer();
~AudioBuffer();

public slots:
void stop();
void play();
void record();

private:
QAudioCaptureSource *audioSource;
QMediaRecorder *capture;
};@

MainPage.Qml
@

Page {
id: mainPage

Button {
    id: button1
    x: 16
    y: 324
    width: 100
    height: 42
    text: "Play"
    onClicked:
        AudioBuffer.play()
}

Button {
    id: button2
    x: 126
    y: 324
    width: 100
    height: 42
    text: "Stop"
    onClicked:
        AudioBuffer.stop()
}

Button {
    id: button3
    x: 247
    y: 324
    width: 100
    height: 42
    text: "Record"
    onClicked:
        AudioBuffer.record()
}

}@

[Naufal]

SOLVED:
Hi All,
I finally found the solution on my own.. I would like to share with you all !!!!
@#include "AudioBuffer.h"
#include <QAudio>
#include <QMediaPlayer>
#include <QAudioCaptureSource>
#include <QMediaRecorder>
#include <QFileDialog>
#include <QFile>
#include <QAudioEncoderSettings>

AudioBuffer::AudioBuffer()
{
audioSource = new QAudioCaptureSource();
capture = new QMediaRecorder(audioSource);

    QAudioEncoderSettings audioSettings;
    audioSettings.setCodec("audio/vorbis");
    audioSettings.setQuality(QtMultimediaKit::HighQuality);
    capture->setEncodingSettings(audioSettings);
    capture->setOutputLocation(QUrl::fromLocalFile(":\\test.wav"));

}

AudioBuffer::~AudioBuffer()
{
delete audioSource;
delete capture;
}

void AudioBuffer::record()
{
capture->record();
}

void AudioBuffer::stop()
{
capture->stop();
}
void AudioBuffer::pause()
{
capture->pause();
}

void AudioBuffer::play()
{
QMediaPlayer *player = new QMediaPlayer;
QUrl url = QUrl::fromLocalFile(":\test.wav");
player->setMedia(url);
player->setVolume(100);
player->play();
}@

Thanks a Lot!!!!
I hope this works well

[mlong]

Be sure and add [Solved] to the thread title if you have it working. Thanks!