From: Mart Raudsepp <leio@gentoo.org>
Date: Wed, 28 Oct 1998 13:21:29 +0000 (+0000)
Subject: wxWave class for wxGTK (linux)
X-Git-Url: https://git.saurik.com/wxWidgets.git/commitdiff_plain/cbb8c1d34c68feaeb5861aa91bdbf715b2d963b0

wxWave class for wxGTK (linux)


git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@928 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
---

diff --git a/include/wx/gtk/wave.h b/include/wx/gtk/wave.h
new file mode 100644
index 0000000000..6b4095c243
--- /dev/null
+++ b/include/wx/gtk/wave.h
@@ -0,0 +1,63 @@
+/////////////////////////////////////////////////////////////////////////////
+// Name:        wave.h
+// Purpose:     wxWave class
+// Author:      Julian Smart
+// Modified by:
+// Created:     25/10/98
+// RCS-ID:      $Id$
+// Copyright:   (c) Julian Smart
+// Licence:   	wxWindows licence
+/////////////////////////////////////////////////////////////////////////////
+
+#ifndef _WX_WAVE_H_
+#define _WX_WAVE_H_
+
+#ifdef __GNUG__
+#pragma interface "wave.h"
+#endif
+
+#ifndef byte
+#define byte unsigned char
+#endif
+
+#include "wx/object.h"
+
+#ifndef AUDIODEV
+#define AUDIODEV   "/dev/dsp"    // Default path for audio device
+#endif
+
+class wxWave : public wxObject
+{
+public:
+  wxWave();
+  wxWave(const wxString& fileName, bool isResource = FALSE);
+  wxWave(int size, const byte* data);
+  ~wxWave();
+
+public:
+  // Create from resource or file
+  bool  Create(const wxString& fileName, bool isResource = FALSE);
+  // Create from data
+  bool Create(int size, const byte* data);
+
+  bool  IsOk() const { return (m_waveData ? TRUE : FALSE); };
+  bool  Play(bool async = TRUE, bool looped = FALSE);
+
+protected:
+  bool  Free();
+
+private:
+  byte* m_waveData;
+  int   m_waveLength;
+  bool  m_isResource;
+
+
+  int OpenDSP(void);
+  bool InitDSP(int dev, int iDataBits, int iChannel,unsigned long ulSamplingRate);
+  int m_DSPblkSize;        // Size of the DSP buffer
+  char *m_data;
+  int m_sizeData;
+};
+
+#endif
+
diff --git a/include/wx/gtk1/wave.h b/include/wx/gtk1/wave.h
new file mode 100644
index 0000000000..6b4095c243
--- /dev/null
+++ b/include/wx/gtk1/wave.h
@@ -0,0 +1,63 @@
+/////////////////////////////////////////////////////////////////////////////
+// Name:        wave.h
+// Purpose:     wxWave class
+// Author:      Julian Smart
+// Modified by:
+// Created:     25/10/98
+// RCS-ID:      $Id$
+// Copyright:   (c) Julian Smart
+// Licence:   	wxWindows licence
+/////////////////////////////////////////////////////////////////////////////
+
+#ifndef _WX_WAVE_H_
+#define _WX_WAVE_H_
+
+#ifdef __GNUG__
+#pragma interface "wave.h"
+#endif
+
+#ifndef byte
+#define byte unsigned char
+#endif
+
+#include "wx/object.h"
+
+#ifndef AUDIODEV
+#define AUDIODEV   "/dev/dsp"    // Default path for audio device
+#endif
+
+class wxWave : public wxObject
+{
+public:
+  wxWave();
+  wxWave(const wxString& fileName, bool isResource = FALSE);
+  wxWave(int size, const byte* data);
+  ~wxWave();
+
+public:
+  // Create from resource or file
+  bool  Create(const wxString& fileName, bool isResource = FALSE);
+  // Create from data
+  bool Create(int size, const byte* data);
+
+  bool  IsOk() const { return (m_waveData ? TRUE : FALSE); };
+  bool  Play(bool async = TRUE, bool looped = FALSE);
+
+protected:
+  bool  Free();
+
+private:
+  byte* m_waveData;
+  int   m_waveLength;
+  bool  m_isResource;
+
+
+  int OpenDSP(void);
+  bool InitDSP(int dev, int iDataBits, int iChannel,unsigned long ulSamplingRate);
+  int m_DSPblkSize;        // Size of the DSP buffer
+  char *m_data;
+  int m_sizeData;
+};
+
+#endif
+
diff --git a/include/wx/wave.h b/include/wx/wave.h
new file mode 100644
index 0000000000..cd61bad818
--- /dev/null
+++ b/include/wx/wave.h
@@ -0,0 +1,13 @@
+#ifndef _WX_WAVE_H_BASE_
+#define _WX_WAVE_H_BASE_
+
+#if defined(__WXMSW__)
+#include "wx/msw/wave.h"
+#elif defined(__WXGTK__)
+#include "wx/gtk/wave.h"
+#elif defined(__WXQT__)
+#include "wx/qt/wave.h"
+#endif
+
+#endif
+    // _WX_TREECTRL_H_BASE_
diff --git a/src/gtk/wave.cpp b/src/gtk/wave.cpp
new file mode 100644
index 0000000000..a5255b57b9
--- /dev/null
+++ b/src/gtk/wave.cpp
@@ -0,0 +1,217 @@
+/////////////////////////////////////////////////////////////////////////////
+// Name:        wave.cpp
+// Purpose:     wxWave
+// Author:      Marcel Rasche
+// Modified by:
+// Created:     25/10/98
+// RCS-ID:      $Id$
+// Copyright:   (c) Julian Smart
+// Licence:   	wxWindows license
+/////////////////////////////////////////////////////////////////////////////
+
+#ifdef __GNUG__
+#pragma implementation "wave.h"
+#endif
+
+// For compilers that support precompilation, includes "wx.h".
+#include "wx/wxprec.h"
+
+#if defined(__BORLANDC__)
+#pragma hdrstop
+#endif
+
+#include <stdio.h>
+#include <unistd.h>
+#include <fcntl.h>
+#include <sys/ioctl.h>
+#include <linux/soundcard.h>
+
+#ifndef WX_PRECOMP
+#include "wx/wx.h"
+#endif
+
+#include "wx/file.h"
+#include "wx/wave.h"
+
+
+wxWave::wxWave()
+  : m_waveLength(0), m_isResource(FALSE), m_waveData(NULL)
+{
+}
+
+wxWave::wxWave(const wxString& sFileName, bool isResource)
+  : m_waveLength(0), m_isResource(isResource), m_waveData(NULL)
+{
+  Create(sFileName, isResource);
+}
+
+wxWave::wxWave(int size, const byte* data)
+  : m_waveLength(0), m_isResource(FALSE), m_waveData(NULL)
+{
+  Create(size, data);
+}
+
+wxWave::~wxWave()
+{
+  Free();
+}
+
+bool wxWave::Create(const wxString& fileName, bool isResource)
+{
+  Free();
+  
+  if (isResource)
+  {
+    //  todo
+
+    return (m_waveData ? TRUE : FALSE);
+  }
+  else
+  {
+    m_isResource = FALSE;
+
+    wxFile fileWave;
+    if (!fileWave.Open(fileName, wxFile::read))
+      return FALSE;
+
+    m_waveLength = (int) fileWave.Length();
+    
+    m_waveData = new byte[m_waveLength];
+    if (!m_waveData)
+      return FALSE;
+    
+    fileWave.Read(m_waveData, m_waveLength);
+    
+    return TRUE;
+  }
+}
+
+bool wxWave::Create(int size, const byte* data)
+{
+  Free();
+  m_isResource = FALSE;
+  m_waveLength=size;
+  m_waveData = new byte[size];
+  if (!m_waveData)
+    return FALSE;
+  
+  for (int i=0; i<size; i++) m_waveData[i] = data[i];
+  return TRUE;
+}
+
+bool wxWave::Play(bool async, bool looped)
+{
+  if (!IsOk())
+    return FALSE;
+
+  int dev=OpenDSP();
+  if(dev<0)
+    return FALSE;
+
+  ioctl(dev,SNDCTL_DSP_SYNC,0);
+  
+  bool play=TRUE;
+  int i,l=0;
+  do
+    {
+      i= (int)((l+m_DSPblkSize) < m_sizeData ? m_DSPblkSize : (m_sizeData-l));
+      if ( write(dev,&m_data[l],i) != i )
+	play=FALSE;
+      l +=i;
+    }while(play == TRUE && l<m_sizeData);
+
+
+  close(dev);
+  return TRUE;
+ 
+}
+
+bool wxWave::Free()
+{
+  if (m_waveData)
+    {
+      delete[] m_waveData;
+      m_waveData = NULL;
+      m_waveLength = 0;
+      return TRUE;
+    }
+  
+  return FALSE;
+}
+
+typedef  struct
+{ 
+  unsigned long   uiSize; 
+  unsigned short  uiFormatTag;
+  unsigned short  uiChannels;
+  unsigned long   ulSamplesPerSec;
+  unsigned long   ulAvgBytesPerSec;
+  unsigned short  uiBlockAlign;
+  unsigned short  uiBitsPerSample;
+}WAVEFORMAT;    
+
+
+#define MONO 1  // and stereo is 2 by wav format
+#define WAVE_FORMAT_PCM 1
+#define WAVE_INDEX  8
+#define FMT_INDEX   12
+
+int wxWave::OpenDSP(void)
+{
+  wxString str;
+  WAVEFORMAT  waveformat;
+  int dev=-1;
+  unsigned long ul;
+
+  if (m_waveLength < (int)(32+sizeof(WAVEFORMAT)))
+    return -1;
+
+  memcpy(&waveformat,&m_waveData[FMT_INDEX+4],sizeof(WAVEFORMAT));
+
+  str= wxString(m_waveData,4);
+  if (str != "RIFF")    return -1;
+  str= wxString(&m_waveData[WAVE_INDEX],4);
+  if (str != "WAVE")    return -1;
+  str= wxString(&m_waveData[FMT_INDEX],4);
+  if (str != "fmt ")    return -1;
+  str= wxString(&m_waveData[FMT_INDEX+waveformat.uiSize+8],4);
+  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;
+}
+
diff --git a/src/gtk1/wave.cpp b/src/gtk1/wave.cpp
new file mode 100644
index 0000000000..a5255b57b9
--- /dev/null
+++ b/src/gtk1/wave.cpp
@@ -0,0 +1,217 @@
+/////////////////////////////////////////////////////////////////////////////
+// Name:        wave.cpp
+// Purpose:     wxWave
+// Author:      Marcel Rasche
+// Modified by:
+// Created:     25/10/98
+// RCS-ID:      $Id$
+// Copyright:   (c) Julian Smart
+// Licence:   	wxWindows license
+/////////////////////////////////////////////////////////////////////////////
+
+#ifdef __GNUG__
+#pragma implementation "wave.h"
+#endif
+
+// For compilers that support precompilation, includes "wx.h".
+#include "wx/wxprec.h"
+
+#if defined(__BORLANDC__)
+#pragma hdrstop
+#endif
+
+#include <stdio.h>
+#include <unistd.h>
+#include <fcntl.h>
+#include <sys/ioctl.h>
+#include <linux/soundcard.h>
+
+#ifndef WX_PRECOMP
+#include "wx/wx.h"
+#endif
+
+#include "wx/file.h"
+#include "wx/wave.h"
+
+
+wxWave::wxWave()
+  : m_waveLength(0), m_isResource(FALSE), m_waveData(NULL)
+{
+}
+
+wxWave::wxWave(const wxString& sFileName, bool isResource)
+  : m_waveLength(0), m_isResource(isResource), m_waveData(NULL)
+{
+  Create(sFileName, isResource);
+}
+
+wxWave::wxWave(int size, const byte* data)
+  : m_waveLength(0), m_isResource(FALSE), m_waveData(NULL)
+{
+  Create(size, data);
+}
+
+wxWave::~wxWave()
+{
+  Free();
+}
+
+bool wxWave::Create(const wxString& fileName, bool isResource)
+{
+  Free();
+  
+  if (isResource)
+  {
+    //  todo
+
+    return (m_waveData ? TRUE : FALSE);
+  }
+  else
+  {
+    m_isResource = FALSE;
+
+    wxFile fileWave;
+    if (!fileWave.Open(fileName, wxFile::read))
+      return FALSE;
+
+    m_waveLength = (int) fileWave.Length();
+    
+    m_waveData = new byte[m_waveLength];
+    if (!m_waveData)
+      return FALSE;
+    
+    fileWave.Read(m_waveData, m_waveLength);
+    
+    return TRUE;
+  }
+}
+
+bool wxWave::Create(int size, const byte* data)
+{
+  Free();
+  m_isResource = FALSE;
+  m_waveLength=size;
+  m_waveData = new byte[size];
+  if (!m_waveData)
+    return FALSE;
+  
+  for (int i=0; i<size; i++) m_waveData[i] = data[i];
+  return TRUE;
+}
+
+bool wxWave::Play(bool async, bool looped)
+{
+  if (!IsOk())
+    return FALSE;
+
+  int dev=OpenDSP();
+  if(dev<0)
+    return FALSE;
+
+  ioctl(dev,SNDCTL_DSP_SYNC,0);
+  
+  bool play=TRUE;
+  int i,l=0;
+  do
+    {
+      i= (int)((l+m_DSPblkSize) < m_sizeData ? m_DSPblkSize : (m_sizeData-l));
+      if ( write(dev,&m_data[l],i) != i )
+	play=FALSE;
+      l +=i;
+    }while(play == TRUE && l<m_sizeData);
+
+
+  close(dev);
+  return TRUE;
+ 
+}
+
+bool wxWave::Free()
+{
+  if (m_waveData)
+    {
+      delete[] m_waveData;
+      m_waveData = NULL;
+      m_waveLength = 0;
+      return TRUE;
+    }
+  
+  return FALSE;
+}
+
+typedef  struct
+{ 
+  unsigned long   uiSize; 
+  unsigned short  uiFormatTag;
+  unsigned short  uiChannels;
+  unsigned long   ulSamplesPerSec;
+  unsigned long   ulAvgBytesPerSec;
+  unsigned short  uiBlockAlign;
+  unsigned short  uiBitsPerSample;
+}WAVEFORMAT;    
+
+
+#define MONO 1  // and stereo is 2 by wav format
+#define WAVE_FORMAT_PCM 1
+#define WAVE_INDEX  8
+#define FMT_INDEX   12
+
+int wxWave::OpenDSP(void)
+{
+  wxString str;
+  WAVEFORMAT  waveformat;
+  int dev=-1;
+  unsigned long ul;
+
+  if (m_waveLength < (int)(32+sizeof(WAVEFORMAT)))
+    return -1;
+
+  memcpy(&waveformat,&m_waveData[FMT_INDEX+4],sizeof(WAVEFORMAT));
+
+  str= wxString(m_waveData,4);
+  if (str != "RIFF")    return -1;
+  str= wxString(&m_waveData[WAVE_INDEX],4);
+  if (str != "WAVE")    return -1;
+  str= wxString(&m_waveData[FMT_INDEX],4);
+  if (str != "fmt ")    return -1;
+  str= wxString(&m_waveData[FMT_INDEX+waveformat.uiSize+8],4);
+  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;
+}
+