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/*
* See the README file for copyright information and how to reach the author.
*
* $Id$
*/
#ifndef AUDIO_H
#define AUDIO_H
extern "C"
{
#include <libavcodec/avcodec.h>
}
class cMutex;
class cAudioDecoder
{
public:
enum eCodec {
ePCM,
eMPG,
eAC3,
eEAC3,
eAAC,
eDTS,
eNumCodecs
};
enum ePort {
eLocal,
eHDMI
};
static const char* CodecStr(eCodec codec)
{
return (codec == ePCM) ? "PCM" :
(codec == eMPG) ? "MPG" :
(codec == eAC3) ? "AC3" :
(codec == eEAC3) ? "E-AC3" :
(codec == eAAC) ? "AAC" :
(codec == eDTS) ? "DTS" : "unknown";
}
cAudioDecoder();
virtual ~cAudioDecoder();
virtual int Init(void);
virtual int DeInit(void);
virtual bool SetupAudioCodec(const unsigned char *data, int length);
virtual eCodec GetCodec(void) { return m_codec; }
virtual eCodec GetOutputFormat(void) { return m_outputFormat; }
virtual ePort GetOutputPort(void) { return m_outputPort; }
virtual int GetChannels(void) { return m_channels; }
virtual int GetSamplingrate(void) { return m_samplingRate; }
virtual unsigned int DecodeAudio(const unsigned char *data, int length,
unsigned char *outbuf, int bufsize);
private:
struct Codec
{
AVCodec *codec;
AVCodecContext *context;
};
Codec m_codecs[eNumCodecs];
eCodec m_codec;
eCodec m_outputFormat;
ePort m_outputPort;
int m_channels;
int m_samplingRate;
bool m_passthrough;
AVFrame *m_frame;
cMutex *m_mutex;
};
#endif
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