Ginga  0.13.6
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SDLAudioProvider.h
1 /******************************************************************************
2 Este arquivo eh parte da implementacao do ambiente declarativo do middleware
3 Ginga (Ginga-NCL).
4 
5 Direitos Autorais Reservados (c) 1989-2007 PUC-Rio/Laboratorio TeleMidia
6 
7 Este programa eh software livre; voce pode redistribui-lo e/ou modificah-lo sob
8 os termos da Licenca Publica Geral GNU versao 2 conforme publicada pela Free
9 Software Foundation.
10 
11 Este programa eh distribuido na expectativa de que seja util, porem, SEM
12 NENHUMA GARANTIA; nem mesmo a garantia implicita de COMERCIABILIDADE OU
13 ADEQUACAO A UMA FINALIDADE ESPECIFICA. Consulte a Licenca Publica Geral do
14 GNU versao 2 para mais detalhes.
15 
16 Voce deve ter recebido uma copia da Licenca Publica Geral do GNU versao 2 junto
17 com este programa; se nao, escreva para a Free Software Foundation, Inc., no
18 endereco 59 Temple Street, Suite 330, Boston, MA 02111-1307 USA.
19 
20 Para maiores informacoes:
21 ncl @ telemidia.puc-rio.br
22 http://www.ncl.org.br
23 http://www.ginga.org.br
24 http://www.telemidia.puc-rio.br
25 ******************************************************************************
26 This file is part of the declarative environment of middleware Ginga (Ginga-NCL)
27 
28 Copyright: 1989-2007 PUC-RIO/LABORATORIO TELEMIDIA, All Rights Reserved.
29 
30 This program is free software; you can redistribute it and/or modify it under
31 the terms of the GNU General Public License version 2 as published by
32 the Free Software Foundation.
33 
34 This program is distributed in the hope that it will be useful, but WITHOUT ANY
35 WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
36 PARTICULAR PURPOSE. See the GNU General Public License version 2 for more
37 details.
38 
39 You should have received a copy of the GNU General Public License version 2
40 along with this program; if not, write to the Free Software
41 Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
42 
43 For further information contact:
44 ncl @ telemidia.puc-rio.br
45 http://www.ncl.org.br
46 http://www.ginga.org.br
47 http://www.telemidia.puc-rio.br
48 *******************************************************************************/
49 
50 #ifndef SDLAUDIOPROVIDER_H_
51 #define SDLAUDIOPROVIDER_H_
52 
53 #include "mb/interface/IContinuousMediaProvider.h"
54 
55 #include "SDL2ffmpeg.h"
56 
57 #include <set>
58 using namespace std;
59 
60 namespace br {
61 namespace pucrio {
62 namespace telemidia {
63 namespace ginga {
64 namespace core {
65 namespace mb {
67  protected:
68  GingaScreenID myScreen;
69  string symbol;
70  string mrl;
71 
72  SDL2ffmpeg* decoder;
73 
74  public:
75  SDLAudioProvider(GingaScreenID screenId, const char* mrl);
76  virtual ~SDLAudioProvider();
77 
78  virtual void setLoadSymbol(string symbol);
79  virtual string getLoadSymbol();
80 
81  virtual bool getHasVisual(){return false;};
82 
83  virtual void setAVPid(int aPid, int vPid){};
84  virtual void feedBuffers(){};
85  void* getProviderContent();
86  virtual void setProviderContent(void* content){};
87  virtual bool checkVideoResizeEvent(ISurface* frame){return false;};
88  double getTotalMediaTime();
89  virtual int64_t getVPts();
90  double getMediaTime();
91  void setMediaTime(double pos);
92 
93  public:
94  void playOver(
95  ISurface* surface,
96  bool hasVisual=true, IProviderListener* listener=NULL);
97 
98  void resume(ISurface* surface, bool hasVisual=false);
99  void pause();
100  void stop();
101  void setSoundLevel(float level);
102  bool releaseAll();
103  void getOriginalResolution(int* width, int* height);
104 
105  virtual void refreshDR(void* data);
106  };
107 }
108 }
109 }
110 }
111 }
112 }
113 
114 #endif /*SDLAUDIOPROVIDER_H_*/
Definition: NetworkUtil.h:53