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/*
* audio.h: The basic audio interface
*
* See the main source file 'vdr.c' for copyright information and
* how to reach the author.
*
* $Id: audio.h 2.1 2008/07/06 11:39:21 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, uchar Id) = 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. Id indicates the type of audio data this
///< packet holds.
virtual void PlayTs(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 TS 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, uchar Id);
void PlayTsAudio(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, uchar Id);
virtual void PlayTs(const uchar *Data, int Length);
virtual void Mute(bool On);
virtual void Clear(void);
};
#endif //__AUDIO_H
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