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#ifndef INPUT_H_INCLUDED
#define INPUT_H_INCLUDED
#include "pm_c_util.h"
#include "ppm.h"
#include "frame.h"
struct InputFileEntry;
struct inputSource {
/*----------------------------------------------------------------------------
This describes the source of data for the program.
Typically, the source data is a bunch of raw frames in PPM format.
But sometimes, it is a bunch of already encoded frames or GOPs.
-----------------------------------------------------------------------------*/
bool stdinUsed;
int numInputFiles;
/* This is the maximum number of input files available. If
we're reading from explicitly named files, it is exactly
the number available. If we're reading from a stream, it's
infinity. (At the moment, "reading from a stream" is
equivalent to "reading from Standard Input").
*/
/* Members below here defined only if 'stdinUsed' is false */
struct InputFileEntry ** inputFileEntries;
/* Each element of this array describes a set of input files.
Valid elements are consecutive starting at index 0.
*/
unsigned int numInputFileEntries;
/* Number of valid entries in array inputFileEntries[] */
unsigned int ifArraySize;
/* Number of allocated entries in the array inputFileEntries[] */
};
void
GetNthInputFileName(struct inputSource * const inputSourceP,
unsigned int const n,
const char ** const fileName);
void
ReadNthFrame(struct inputSource * const inputSourceP,
unsigned int const frameNumber,
boolean const remoteIO,
boolean const childProcess,
boolean const separateConversion,
const char * const slaveConversion,
const char * const inputConversion,
MpegFrame * const frameP,
bool * const endOfStreamP);
void
JM2JPEG(struct inputSource * const inputSourceP);
void
AddInputFiles(struct inputSource * const inputSourceP,
const char * const input);
void
SetStdinInput(struct inputSource * const inputSourceP);
void
CreateInputSource(struct inputSource ** const inputSourcePP);
void
DestroyInputSource(struct inputSource * const inputSourceP);
#endif
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