Implemented audio plugin interface

1 files changed, 43 insertions, 1 deletions

diff --git a/audio.h b/audio.h
index 2541cdcb..565bd972 100644
--- a/audio.h
+++ b/audio.h
@@ -4,10 +4,52 @@
  * See the main source file 'vdr.c' for copyright information and
  * how to reach the author.
  *
- * $Id: audio.h 1.1 2002/06/10 16:30:00 kls Exp $
+ * $Id: audio.h 1.2 2002/11/03 11:50:02 kls Exp $
  */
 
 #ifndef __AUDIO_H
 #define __AUDIO_H
 
+#include "thread.h"
+#include "tools.h"
+
+class cAudio : public cListObject {
+protected:
+  cAudio(void);
+public:
+  virtual ~cAudio();
+  virtual void Play(const uchar *Data, int Length) = 0;
+       // Plays the given block of audio Data. Must return as soon as possible.
+       // If the entire block of data can't be processed immediately, it must
+       // be copied and processed in a separate thread. The Data is always a
+       // complete PES audio packet.
+  virtual void Mute(bool On) = 0;
+       // Immediately sets the audio device to be silent (On==true) or to
+       // normal replay (On==false).
+  virtual void Clear(void) = 0;
+       // Clears all data that might still be awaiting processing.
+  };
+
+class cAudios : public cList<cAudio> {
+public:
+  void PlayAudio(const uchar *Data, int Length);
+  void MuteAudio(bool On);
+  void ClearAudio(void);
+  };
+
+extern cAudios Audios;
+
+class cExternalAudio : public cAudio {
+private:
+  char *command;
+  cPipe pipe;
+  bool mute;
+public:
+  cExternalAudio(const char *Command);
+  virtual ~cExternalAudio();
+  virtual void Play(const uchar *Data, int Length);
+  virtual void Mute(bool On);
+  virtual void Clear(void);
+  };
+
 #endif //__AUDIO_H