vsdl.h

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/*
 * vsdl.h
 *
 * Classes to support video output via SDL
 *
 * Copyright (c) 1999-2000 Equivalence Pty. Ltd.
 *
 * The contents of this file are subject to the Mozilla Public License
 * Version 1.0 (the "License"); you may not use this file except in
 * compliance with the License. You may obtain a copy of the License at
 * http://www.mozilla.org/MPL/
 *
 * Software distributed under the License is distributed on an "AS IS"
 * basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See
 * the License for the specific language governing rights and limitations
 * under the License.
 *
 * The Original Code is Open H323 Library.
 *
 * The Initial Developer of the Original Code is Equivalence Pty. Ltd.
 *
 * Contributor(s): Derek J Smithies (derek@indranet.co.nz)
 */

#ifndef PTLIB_VSDL_H
#define PTLIB_VSDL_H

#if P_SDL

#include <ptlib.h>

#include <ptlib/videoio.h>


class PVideoOutputDevice_SDL : public PVideoOutputDevice
{
    PCLASSINFO(PVideoOutputDevice_SDL, PVideoOutputDevice);
  
  public:
    PVideoOutputDevice_SDL();
  
    ~PVideoOutputDevice_SDL();

    virtual PStringArray GetDeviceNames() const;
    static PStringArray GetOutputDeviceNames();
  
    virtual PBoolean Open(
      const PString & /*deviceName*/,   
      PBoolean /*startImmediate*/ = true    
    );
  
    virtual PBoolean Close();
  
    virtual PBoolean IsOpen();
  
    virtual PBoolean SetColourFormat(
      const PString & colourFormat 
    );

    virtual PBoolean SetFrameSize(
      unsigned width,   
      unsigned height   
    );

    virtual PBoolean SetFrameData(const FrameData & frameData);

#ifdef P_MACOSX
    virtual bool ApplicationMain();
#endif
  
  private:
    struct SDL_Window * m_window;
    struct SDL_Renderer * m_renderer;
    struct SDL_Texture * m_texture;
    PDECLARE_MUTEX(      m_texture_mutex);
    PSyncPoint           m_operationComplete;

    bool InternalOpen();
    void InternalClose();
    void InternalSetFrameSize();
    void InternalSetFrameData();
    void PostEvent(unsigned code, bool wait);

  friend class PSDL_System;
};


typedef PVideoOutputDevice_SDL PSDLVideoDevice; // Backward compatibility


#endif    // P_SDL

#endif // PTLIB_VSDL_H


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