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/*
frames raw data into Ogg/Vorbis frames.
Copyright (C) 2001 Martin Vogt
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU Library General Public License as published by
the Free Software Foundation.
For more information look at the file COPYRIGHT in this package
*/
#ifndef __OVFRAMER_H
#define __OVFRAMER_H
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#ifdef OGG_VORBIS
#include <vorbis/codec.h>
#include "../frame/framer.h"
#include "oggFrame.h"
/**
This framer works directly on the raw ogg_packet as output
Note: the internal setup makes sure, that we initialize
the ogg stream to the first found logical bitstream.
(For now this should mean: we found vorbis)
When the frame goes into the "HAS" state, you have the ogg
packet in the in the dest struct from the constructor.
*/
class OVFramer : public Framer {
int vorbis_state;
ogg_sync_state oy; /* sync and verify incoming physical bitstream */
ogg_stream_state os; /* take physical pages, weld into a logical
stream of packets */
ogg_page og; /* one Ogg bitstream page. Vorbis packets are inside */
char *buffer; /* sync buffer from ogg */
OGGFrame* dest; /* one raw packet of data for decode */
public:
// IMPORTANT: because we use this ptr internally the
// data to op cannot be on the stack!
OVFramer(OGGFrame* dest);
~OVFramer();
private:
int find_frame(RawDataBuffer* input,RawDataBuffer* store);
int read_frame(RawDataBuffer* input,RawDataBuffer* store);
void unsync(RawDataBuffer* store,int lReset);
void printPrivateStates();
};
#endif
#endif
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