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/*! \file vdr_decoder_flac.h
* \ingroup vdr
*
* The file contains a decoder which is used by the player to decode flac audio files.
*
* Based on code from
* MP3/MPlayer plugin to VDR (C++)
* (C) 2001-2003 Stefan Huelswitt <huels@iname.com>
*/
#ifndef ___DECODER_FLAC_H
#define ___DECODER_FLAC_H
#define DEC_FLAC DEC_ID('F','L','A','C')
#define DEC_FLAC_STR "FLAC"
#ifdef HAVE_FLAC
#include "vdr_decoder.h"
#include <FLAC++/decoder.h>
// ----------------------------------------------------------------
class mgFlacDecoder : public mgDecoder,
public FLAC::Decoder::File
{
private:
struct mgDecode m_ds;
struct mad_pcm *m_pcm;
unsigned long long m_index, m_current_time_ms, m_current_samples;
unsigned int m_reservoir_count, m_len_decoded, m_samplerate;
long m_nCurrentSampleRate, m_nCurrentChannels, m_nCurrentBitsPerSample;
long m_nLengthMS, m_nBlockAlign, m_nAverageBitRate, m_nCurrentBitrate;
long m_nTotalSamples, m_nBitsPerSample, m_nFrameSize, m_nBlockSize;
bool m_state, m_first, m_continue;
std::string m_error;
FLAC__int32 **m_reservoir;
bool initialize();
bool clean();
struct mgDecode* done(eDecodeStatus status);
eDecodeStatus m_decode_status;
protected:
/*! \brief FLAC decoder callback routines */
//@{
virtual ::FLAC__StreamDecoderWriteStatus write_callback(const ::FLAC__Frame *frame,
const FLAC__int32 * const buffer[]);
virtual void metadata_callback(const ::FLAC__StreamMetadata *metadata);
virtual void error_callback(::FLAC__StreamDecoderErrorStatus status);
//@}
public:
mgFlacDecoder( mgContentItem *item );
~mgFlacDecoder();
virtual mgPlayInfo *playInfo();
virtual bool valid();
virtual bool start();
virtual struct mgDecode *decode(void);
virtual bool skip(int Seconds, int Avail, int Rate);
virtual bool stop();
};
// ----------------------------------------------------------------
#endif //HAVE_FLAC
#endif //___DECODER_FLAC_H
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