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#ifndef __ardour_export_h__
#define __ardour_export_h__
#include <map>
#include <vector>
#include <string>
#include <sigc++/signal.h>
#include <sndfile.h>
#include <samplerate.h>
#include <ardour/ardour.h>
#include <ardour/gdither.h>
using std::map;
using std::vector;
using std::string;
using std::pair;
namespace ARDOUR
{
class Port;
typedef pair<Port *, uint32_t> PortChannelPair;
typedef map<uint32_t, vector<PortChannelPair> > AudioExportPortMap;
struct AudioExportSpecification : public SF_INFO, public sigc::trackable {
AudioExportSpecification();
~AudioExportSpecification ();
void init ();
void clear ();
int prepare (nframes_t blocksize, nframes_t frame_rate);
int process (nframes_t nframes);
/* set by the user */
string path;
nframes_t sample_rate;
int src_quality;
SNDFILE* out;
uint32_t channels;
AudioExportPortMap port_map;
nframes_t start_frame;
nframes_t end_frame;
GDitherType dither_type;
bool do_freewheel;
/* used exclusively during export */
nframes_t frame_rate;
GDither dither;
float* dataF;
float* dataF2;
float* leftoverF;
nframes_t leftover_frames;
nframes_t max_leftover_frames;
void* output_data;
nframes_t out_samples_max;
uint32_t sample_bytes;
uint32_t data_width;
nframes_t total_frames;
SF_INFO sfinfo;
SRC_DATA src_data;
SRC_STATE* src_state;
nframes_t pos;
sigc::connection freewheel_connection;
/* shared between UI thread and audio thread */
float progress; /* audio thread sets this */
bool stop; /* UI sets this */
bool running; /* audio thread sets to false when export is done */
int status;
};
} // namespace ARDOUR
#endif /* __ardour_export_h__ */
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