wxWave class for wxGTK (linux)
git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@928 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
This commit is contained in:
Mart Raudsepp
parent
e5403d7c57
commit
cbb8c1d34c
63
include/wx/gtk/wave.h
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63
include/wx/gtk/wave.h
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@ -0,0 +1,63 @@
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/////////////////////////////////////////////////////////////////////////////
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// Name: wave.h
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// Purpose: wxWave class
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// Author: Julian Smart
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// Modified by:
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// Created: 25/10/98
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// RCS-ID: $Id$
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// Copyright: (c) Julian Smart
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// Licence: wxWindows licence
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/////////////////////////////////////////////////////////////////////////////
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#ifndef _WX_WAVE_H_
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#define _WX_WAVE_H_
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#ifdef __GNUG__
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#pragma interface "wave.h"
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#endif
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#ifndef byte
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#define byte unsigned char
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#endif
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#include "wx/object.h"
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#ifndef AUDIODEV
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#define AUDIODEV "/dev/dsp" // Default path for audio device
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#endif
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class wxWave : public wxObject
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{
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public:
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wxWave();
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wxWave(const wxString& fileName, bool isResource = FALSE);
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wxWave(int size, const byte* data);
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~wxWave();
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public:
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// Create from resource or file
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bool Create(const wxString& fileName, bool isResource = FALSE);
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// Create from data
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bool Create(int size, const byte* data);
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bool IsOk() const { return (m_waveData ? TRUE : FALSE); };
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bool Play(bool async = TRUE, bool looped = FALSE);
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protected:
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bool Free();
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private:
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byte* m_waveData;
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int m_waveLength;
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bool m_isResource;
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int OpenDSP(void);
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bool InitDSP(int dev, int iDataBits, int iChannel,unsigned long ulSamplingRate);
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int m_DSPblkSize; // Size of the DSP buffer
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char *m_data;
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int m_sizeData;
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};
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#endif
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63
include/wx/gtk1/wave.h
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63
include/wx/gtk1/wave.h
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@ -0,0 +1,63 @@
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/////////////////////////////////////////////////////////////////////////////
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// Name: wave.h
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// Purpose: wxWave class
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// Author: Julian Smart
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// Modified by:
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// Created: 25/10/98
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// RCS-ID: $Id$
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// Copyright: (c) Julian Smart
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// Licence: wxWindows licence
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/////////////////////////////////////////////////////////////////////////////
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#ifndef _WX_WAVE_H_
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#define _WX_WAVE_H_
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#ifdef __GNUG__
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#pragma interface "wave.h"
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#endif
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#ifndef byte
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#define byte unsigned char
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#endif
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#include "wx/object.h"
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#ifndef AUDIODEV
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#define AUDIODEV "/dev/dsp" // Default path for audio device
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#endif
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class wxWave : public wxObject
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{
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public:
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wxWave();
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wxWave(const wxString& fileName, bool isResource = FALSE);
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wxWave(int size, const byte* data);
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~wxWave();
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public:
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// Create from resource or file
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bool Create(const wxString& fileName, bool isResource = FALSE);
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// Create from data
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bool Create(int size, const byte* data);
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bool IsOk() const { return (m_waveData ? TRUE : FALSE); };
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bool Play(bool async = TRUE, bool looped = FALSE);
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protected:
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bool Free();
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private:
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byte* m_waveData;
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int m_waveLength;
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bool m_isResource;
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int OpenDSP(void);
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bool InitDSP(int dev, int iDataBits, int iChannel,unsigned long ulSamplingRate);
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int m_DSPblkSize; // Size of the DSP buffer
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char *m_data;
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int m_sizeData;
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};
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#endif
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13
include/wx/wave.h
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13
include/wx/wave.h
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@ -0,0 +1,13 @@
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#ifndef _WX_WAVE_H_BASE_
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#define _WX_WAVE_H_BASE_
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#if defined(__WXMSW__)
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#include "wx/msw/wave.h"
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#elif defined(__WXGTK__)
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#include "wx/gtk/wave.h"
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#elif defined(__WXQT__)
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#include "wx/qt/wave.h"
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#endif
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#endif
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// _WX_TREECTRL_H_BASE_
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217
src/gtk/wave.cpp
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217
src/gtk/wave.cpp
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@ -0,0 +1,217 @@
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/////////////////////////////////////////////////////////////////////////////
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// Name: wave.cpp
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// Purpose: wxWave
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// Author: Marcel Rasche
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// Modified by:
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// Created: 25/10/98
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// RCS-ID: $Id$
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// Copyright: (c) Julian Smart
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// Licence: wxWindows license
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/////////////////////////////////////////////////////////////////////////////
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#ifdef __GNUG__
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#pragma implementation "wave.h"
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#endif
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// For compilers that support precompilation, includes "wx.h".
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#include "wx/wxprec.h"
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#if defined(__BORLANDC__)
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#pragma hdrstop
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#endif
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#include <stdio.h>
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#include <unistd.h>
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#include <fcntl.h>
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#include <sys/ioctl.h>
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#include <linux/soundcard.h>
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#ifndef WX_PRECOMP
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#include "wx/wx.h"
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#endif
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#include "wx/file.h"
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#include "wx/wave.h"
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wxWave::wxWave()
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: m_waveLength(0), m_isResource(FALSE), m_waveData(NULL)
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{
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}
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wxWave::wxWave(const wxString& sFileName, bool isResource)
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: m_waveLength(0), m_isResource(isResource), m_waveData(NULL)
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{
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Create(sFileName, isResource);
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}
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wxWave::wxWave(int size, const byte* data)
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: m_waveLength(0), m_isResource(FALSE), m_waveData(NULL)
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{
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Create(size, data);
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}
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wxWave::~wxWave()
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{
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Free();
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}
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bool wxWave::Create(const wxString& fileName, bool isResource)
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{
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Free();
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if (isResource)
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{
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// todo
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return (m_waveData ? TRUE : FALSE);
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}
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else
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{
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m_isResource = FALSE;
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wxFile fileWave;
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if (!fileWave.Open(fileName, wxFile::read))
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return FALSE;
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m_waveLength = (int) fileWave.Length();
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m_waveData = new byte[m_waveLength];
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if (!m_waveData)
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return FALSE;
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fileWave.Read(m_waveData, m_waveLength);
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return TRUE;
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}
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}
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bool wxWave::Create(int size, const byte* data)
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{
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Free();
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m_isResource = FALSE;
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m_waveLength=size;
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m_waveData = new byte[size];
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if (!m_waveData)
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return FALSE;
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for (int i=0; i<size; i++) m_waveData[i] = data[i];
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return TRUE;
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}
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bool wxWave::Play(bool async, bool looped)
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{
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if (!IsOk())
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return FALSE;
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int dev=OpenDSP();
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if(dev<0)
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return FALSE;
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ioctl(dev,SNDCTL_DSP_SYNC,0);
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bool play=TRUE;
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int i,l=0;
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do
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{
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i= (int)((l+m_DSPblkSize) < m_sizeData ? m_DSPblkSize : (m_sizeData-l));
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if ( write(dev,&m_data[l],i) != i )
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play=FALSE;
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l +=i;
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}while(play == TRUE && l<m_sizeData);
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close(dev);
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return TRUE;
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}
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bool wxWave::Free()
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{
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if (m_waveData)
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{
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delete[] m_waveData;
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m_waveData = NULL;
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m_waveLength = 0;
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return TRUE;
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}
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return FALSE;
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}
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typedef struct
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{
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unsigned long uiSize;
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unsigned short uiFormatTag;
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unsigned short uiChannels;
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unsigned long ulSamplesPerSec;
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unsigned long ulAvgBytesPerSec;
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unsigned short uiBlockAlign;
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unsigned short uiBitsPerSample;
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}WAVEFORMAT;
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#define MONO 1 // and stereo is 2 by wav format
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#define WAVE_FORMAT_PCM 1
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#define WAVE_INDEX 8
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#define FMT_INDEX 12
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int wxWave::OpenDSP(void)
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{
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wxString str;
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WAVEFORMAT waveformat;
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int dev=-1;
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unsigned long ul;
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if (m_waveLength < (int)(32+sizeof(WAVEFORMAT)))
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return -1;
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memcpy(&waveformat,&m_waveData[FMT_INDEX+4],sizeof(WAVEFORMAT));
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str= wxString(m_waveData,4);
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if (str != "RIFF") return -1;
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str= wxString(&m_waveData[WAVE_INDEX],4);
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if (str != "WAVE") return -1;
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str= wxString(&m_waveData[FMT_INDEX],4);
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if (str != "fmt ") return -1;
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str= wxString(&m_waveData[FMT_INDEX+waveformat.uiSize+8],4);
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if(str != "data") return -1;
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memcpy(&ul,&m_waveData[FMT_INDEX+waveformat.uiSize+12],4);
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m_sizeData=ul;
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if ((int)(m_sizeData+FMT_INDEX+waveformat.uiSize+16) != m_waveLength)
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return -1;
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m_data=(char *)(&m_waveData[FMT_INDEX+waveformat.uiSize+8]);
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if (waveformat.uiFormatTag != WAVE_FORMAT_PCM)
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return -1;
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if (waveformat.ulSamplesPerSec != waveformat.ulAvgBytesPerSec/waveformat.uiBlockAlign)
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return -1;
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if ((dev = open(AUDIODEV,O_RDWR,0)) <0)
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return -1;
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if (!InitDSP(dev,(int)waveformat.uiBitsPerSample,waveformat.uiChannels == MONO ? 0:1,waveformat.ulSamplesPerSec))
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{
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close(dev);
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return -1;
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}
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return dev;
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}
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bool wxWave::InitDSP(int dev, int iDataBits, int iChannel,unsigned long ulSamplingRate)
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{
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if ( ioctl(dev,SNDCTL_DSP_GETBLKSIZE,&m_DSPblkSize) < 0 )
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return FALSE;
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if (m_DSPblkSize < 4096 || m_DSPblkSize > 65536)
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return FALSE;
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if ( ioctl(dev,SNDCTL_DSP_SAMPLESIZE,&iDataBits) < 0 )
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return FALSE;
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if ( ioctl(dev,SNDCTL_DSP_STEREO,&iChannel) < 0 )
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return FALSE;
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if ( ioctl(dev,SNDCTL_DSP_SPEED,&ulSamplingRate) < 0 )
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return FALSE;
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return TRUE;
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}
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217
src/gtk1/wave.cpp
Normal file
217
src/gtk1/wave.cpp
Normal file
@ -0,0 +1,217 @@
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/////////////////////////////////////////////////////////////////////////////
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// Name: wave.cpp
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// Purpose: wxWave
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// Author: Marcel Rasche
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// Modified by:
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// Created: 25/10/98
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// RCS-ID: $Id$
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// Copyright: (c) Julian Smart
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// Licence: wxWindows license
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/////////////////////////////////////////////////////////////////////////////
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#ifdef __GNUG__
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#pragma implementation "wave.h"
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#endif
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// For compilers that support precompilation, includes "wx.h".
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#include "wx/wxprec.h"
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#if defined(__BORLANDC__)
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#pragma hdrstop
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#endif
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#include <stdio.h>
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#include <unistd.h>
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#include <fcntl.h>
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#include <sys/ioctl.h>
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#include <linux/soundcard.h>
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#ifndef WX_PRECOMP
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#include "wx/wx.h"
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#endif
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#include "wx/file.h"
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#include "wx/wave.h"
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wxWave::wxWave()
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: m_waveLength(0), m_isResource(FALSE), m_waveData(NULL)
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{
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}
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wxWave::wxWave(const wxString& sFileName, bool isResource)
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: m_waveLength(0), m_isResource(isResource), m_waveData(NULL)
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{
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Create(sFileName, isResource);
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}
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wxWave::wxWave(int size, const byte* data)
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: m_waveLength(0), m_isResource(FALSE), m_waveData(NULL)
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{
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Create(size, data);
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}
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wxWave::~wxWave()
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{
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Free();
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}
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bool wxWave::Create(const wxString& fileName, bool isResource)
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{
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Free();
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if (isResource)
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{
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// todo
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return (m_waveData ? TRUE : FALSE);
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}
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else
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{
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m_isResource = FALSE;
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wxFile fileWave;
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if (!fileWave.Open(fileName, wxFile::read))
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return FALSE;
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m_waveLength = (int) fileWave.Length();
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m_waveData = new byte[m_waveLength];
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if (!m_waveData)
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return FALSE;
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fileWave.Read(m_waveData, m_waveLength);
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return TRUE;
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}
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}
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bool wxWave::Create(int size, const byte* data)
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{
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Free();
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m_isResource = FALSE;
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m_waveLength=size;
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m_waveData = new byte[size];
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if (!m_waveData)
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return FALSE;
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for (int i=0; i<size; i++) m_waveData[i] = data[i];
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return TRUE;
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}
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bool wxWave::Play(bool async, bool looped)
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{
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if (!IsOk())
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return FALSE;
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int dev=OpenDSP();
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if(dev<0)
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return FALSE;
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ioctl(dev,SNDCTL_DSP_SYNC,0);
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bool play=TRUE;
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int i,l=0;
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do
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{
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i= (int)((l+m_DSPblkSize) < m_sizeData ? m_DSPblkSize : (m_sizeData-l));
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if ( write(dev,&m_data[l],i) != i )
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play=FALSE;
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l +=i;
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}while(play == TRUE && l<m_sizeData);
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close(dev);
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return TRUE;
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}
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bool wxWave::Free()
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{
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if (m_waveData)
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{
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delete[] m_waveData;
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m_waveData = NULL;
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m_waveLength = 0;
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return TRUE;
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}
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return FALSE;
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}
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typedef struct
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{
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unsigned long uiSize;
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unsigned short uiFormatTag;
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unsigned short uiChannels;
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unsigned long ulSamplesPerSec;
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unsigned long ulAvgBytesPerSec;
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unsigned short uiBlockAlign;
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unsigned short uiBitsPerSample;
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}WAVEFORMAT;
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#define MONO 1 // and stereo is 2 by wav format
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#define WAVE_FORMAT_PCM 1
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#define WAVE_INDEX 8
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#define FMT_INDEX 12
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int wxWave::OpenDSP(void)
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{
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wxString str;
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WAVEFORMAT waveformat;
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int dev=-1;
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unsigned long ul;
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if (m_waveLength < (int)(32+sizeof(WAVEFORMAT)))
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return -1;
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memcpy(&waveformat,&m_waveData[FMT_INDEX+4],sizeof(WAVEFORMAT));
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str= wxString(m_waveData,4);
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if (str != "RIFF") return -1;
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str= wxString(&m_waveData[WAVE_INDEX],4);
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if (str != "WAVE") return -1;
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str= wxString(&m_waveData[FMT_INDEX],4);
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if (str != "fmt ") return -1;
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str= wxString(&m_waveData[FMT_INDEX+waveformat.uiSize+8],4);
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||||
if(str != "data") return -1;
|
||||
memcpy(&ul,&m_waveData[FMT_INDEX+waveformat.uiSize+12],4);
|
||||
m_sizeData=ul;
|
||||
if ((int)(m_sizeData+FMT_INDEX+waveformat.uiSize+16) != m_waveLength)
|
||||
return -1;
|
||||
m_data=(char *)(&m_waveData[FMT_INDEX+waveformat.uiSize+8]);
|
||||
|
||||
if (waveformat.uiFormatTag != WAVE_FORMAT_PCM)
|
||||
return -1;
|
||||
if (waveformat.ulSamplesPerSec != waveformat.ulAvgBytesPerSec/waveformat.uiBlockAlign)
|
||||
return -1;
|
||||
|
||||
if ((dev = open(AUDIODEV,O_RDWR,0)) <0)
|
||||
return -1;
|
||||
|
||||
if (!InitDSP(dev,(int)waveformat.uiBitsPerSample,waveformat.uiChannels == MONO ? 0:1,waveformat.ulSamplesPerSec))
|
||||
{
|
||||
close(dev);
|
||||
return -1;
|
||||
}
|
||||
|
||||
return dev;
|
||||
}
|
||||
|
||||
bool wxWave::InitDSP(int dev, int iDataBits, int iChannel,unsigned long ulSamplingRate)
|
||||
{
|
||||
if ( ioctl(dev,SNDCTL_DSP_GETBLKSIZE,&m_DSPblkSize) < 0 )
|
||||
return FALSE;
|
||||
if (m_DSPblkSize < 4096 || m_DSPblkSize > 65536)
|
||||
return FALSE;
|
||||
if ( ioctl(dev,SNDCTL_DSP_SAMPLESIZE,&iDataBits) < 0 )
|
||||
return FALSE;
|
||||
if ( ioctl(dev,SNDCTL_DSP_STEREO,&iChannel) < 0 )
|
||||
return FALSE;
|
||||
if ( ioctl(dev,SNDCTL_DSP_SPEED,&ulSamplingRate) < 0 )
|
||||
return FALSE;
|
||||
|
||||
return TRUE;
|
||||
}
|
||||
|
||||
Loading…
Reference in New Issue
Block a user