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[wxWidgets.git] / utils / wxMMedia / sndfrmt.h

diff --git a/utils/wxMMedia/sndfrmt.h b/utils/wxMMedia/sndfrmt.h
index feb0ad62d22a18dfa5b68b4ae1ad17eea3c7441a..6a67db7de2f23ea3fd0117499cbfc7901bce6d3b 100644 (file)
--- a/utils/wxMMedia/sndfrmt.h
+++ b/utils/wxMMedia/sndfrmt.h
@@ -1,3 +1,12 @@
+////////////////////////////////////////////////////////////////////////////////
+// Name:       sndfrmt.h
+// Purpose:    wxMMedia
+// Author:     Guilhem Lavaux
+// Created:    1998
+// Updated:    December 1998
+// Copyright:  (C) 1997, 1998, Guilhem Lavaux
+// License:    wxWindows license
+////////////////////////////////////////////////////////////////////////////////
 #ifndef __SNDFRMT_H__
 #define __SNDFRMT_H__
 
@@ -6,6 +15,7 @@
 #endif
 
 #include <wx/object.h>
+#include <wx/stream.h>
 
 class wxSndBuffer;
 
@@ -19,12 +29,14 @@ class wxSoundCodec;
 class wxSoundDataFormat {
  public:
   wxSoundDataFormat();
+  wxSoundDataFormat(const wxSoundDataFormat& format);
   ~wxSoundDataFormat();
 
   void SetSampleRate(int srate) { m_srate = srate; }
   void SetChannels(int channels);
   void SetStereo(bool on);
   void SetCodecNo(int no);
+  int GetCodecNo() { return m_codno; }
   void SetCodecCreate(bool create) { m_codcreate = create; }
 
   int GetSampleRate() const { return m_srate; }
@@ -60,6 +72,12 @@ class wxSoundDataFormat {
 
 class wxSoundCodec : public wxObject, public wxStreamBase {
   DECLARE_ABSTRACT_CLASS(wxSoundCodec)
+ public:
+  typedef enum {
+    WAITING = 0,
+    ENCODING,
+    DECODING
+  } ModeType;
  public:
   wxSoundCodec();
   virtual ~wxSoundCodec();
@@ -68,8 +86,7 @@ class wxSoundCodec : public wxObject, public wxStreamBase {
   size_t Available();
 
   void InitIO(const wxSoundDataFormat& format);
-  void InitMode(int mode);
-  void ExitMode();
+  virtual void InitWith(const wxSoundDataFormat& format) {}
 
   inline void SetInStream(wxStreamBuffer *s)
           { m_in_sound = s; }
@@ -78,11 +95,15 @@ class wxSoundCodec : public wxObject, public wxStreamBase {
   inline wxStreamBuffer *GetInStream() const { return m_in_sound; }
   inline wxStreamBuffer *GetOutStream() const { return m_out_sound; }
 
-  inline bool Good() const { return (m_in_sound->Stream()->LastError() == wxStream_NOERROR) && (m_out_sound->Stream()->LastError() == wxStream_NOERROR); }
+  inline bool StreamOk() const
+       { return (m_in_sound->Stream()->LastError() == wxStream_NOERROR) &&
+                (m_out_sound->Stream()->LastError() == wxStream_NOERROR); }
 
   virtual size_t GetByteRate() const = 0; 
   virtual wxSoundDataFormat GetPreferredFormat(int codec = 0) const = 0; 
 
+  virtual void InitMode(ModeType mode);
+  virtual void ExitMode();
   virtual void Decode() = 0;
   virtual void Encode() = 0;
 
@@ -109,11 +130,7 @@ class wxSoundCodec : public wxObject, public wxStreamBase {
   wxStreamBuffer *m_in_sound, *m_out_sound;
   wxSoundCodec *m_chain_codec;
   bool m_init, m_chain_before;
-
-  enum {
-    ENCODING = 0,
-    DECODING
-  } m_mode;
+  ModeType m_mode;
 };
 
 #endif