56dc1ffd50
Fixed wxStreamBuffer to support features of wxMemoryOutputStream wxMMedia2 updates (various fixes) git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@4406 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
102 lines
2.3 KiB
C++
102 lines
2.3 KiB
C++
// --------------------------------------------------------------------------
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// Name: sndfile.h
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// Purpose:
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// Date: 08/11/1999
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// Author: Guilhem Lavaux <lavaux@easynet.fr> (C) 1999
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// CVSID: $Id$
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// --------------------------------------------------------------------------
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#ifndef _WX_SNDFILE_H
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#define _WX_SNDFILE_H
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#include <wx/defs.h>
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#include <wx/stream.h>
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#include <stdlib.h>
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#include "sndbase.h"
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#include "sndcodec.h"
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#define wxSOUND_INFINITE_TIME ((unsigned long)-1)
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//
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// Codec router class
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//
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class WXDLLEXPORT wxSoundRouterStream: public wxSoundStreamCodec {
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public:
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wxSoundRouterStream(wxSoundStream& sndio);
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~wxSoundRouterStream();
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wxSoundStream& Read(void *buffer, wxUint32 len);
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wxSoundStream& Write(const void *buffer, wxUint32 len);
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bool SetSoundFormat(const wxSoundFormatBase& format);
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bool StartProduction(int evt);
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bool StopProduction();
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wxUint32 GetBestSize() const;
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protected:
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wxSoundStream *m_router;
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};
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typedef enum {
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wxSOUND_FILE_STOPPED,
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wxSOUND_FILE_PAUSED,
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wxSOUND_FILE_PLAYING,
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wxSOUND_FILE_RECORDING
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} wxSoundFileState;
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//
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// Base class for file coders/decoders
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//
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class wxSoundFileStream: public wxSoundStream {
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public:
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wxSoundFileStream(wxInputStream& stream, wxSoundStream& io_sound);
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wxSoundFileStream(wxOutputStream& stream, wxSoundStream& io_sound);
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~wxSoundFileStream();
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bool Play();
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bool Record(unsigned long time);
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bool Stop();
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bool Pause();
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bool Resume();
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bool IsStopped() const { return m_state == wxSOUND_FILE_STOPPED; }
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bool StartProduction(int evt);
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bool StopProduction();
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unsigned long GetLength() const;
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wxSoundStream& Read(void *buffer, wxUint32 len);
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wxSoundStream& Write(const void *buffer, wxUint32 len);
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void SetDuplexMode(bool duplex);
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bool SetSoundFormat(const wxSoundFormatBase& format);
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virtual bool CanRead() { return FALSE; }
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protected:
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wxSoundRouterStream m_codec;
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wxSoundStream *m_sndio;
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wxInputStream *m_input;
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wxOutputStream *m_output;
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wxSoundFileState m_state, m_oldstate;
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wxUint32 m_len;
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protected:
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virtual bool PrepareToPlay() = 0;
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virtual bool PrepareToRecord(unsigned long time) = 0;
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virtual bool FinishRecording() = 0;
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virtual wxUint32 GetData(void *buffer, wxUint32 len) = 0;
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virtual wxUint32 PutData(const void *buffer, wxUint32 len) = 0;
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void OnSoundEvent(int evt);
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};
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#endif
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