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			796 lines
		
	
	
	
		
			19 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			796 lines
		
	
	
	
		
			19 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
| /* CD module -- interface to Mark Callow's and Roger Chickering's */
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|  /* CD Audio Library (CD). */
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| 
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| #include <sys/types.h>
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| #include <cdaudio.h>
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| #include "Python.h"
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| 
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| #define NCALLBACKS	8
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| 
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| typedef struct {
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| 	PyObject_HEAD
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| 	CDPLAYER *ob_cdplayer;
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| } cdplayerobject;
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| 
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| static PyObject *CdError;		/* exception cd.error */
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| 
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| static PyObject *
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| CD_allowremoval(cdplayerobject *self, PyObject *args)
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| {
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| 	if (!PyArg_ParseTuple(args, ":allowremoval"))
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| 		return NULL;
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| 
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| 	CDallowremoval(self->ob_cdplayer);
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| 
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| 	Py_INCREF(Py_None);
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| 	return Py_None;
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| }
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| 
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| static PyObject *
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| CD_preventremoval(cdplayerobject *self, PyObject *args)
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| {
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| 	if (!PyArg_ParseTuple(args, ":preventremoval"))
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| 		return NULL;
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| 
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| 	CDpreventremoval(self->ob_cdplayer);
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| 
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| 	Py_INCREF(Py_None);
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| 	return Py_None;
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| }
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| 
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| static PyObject *
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| CD_bestreadsize(cdplayerobject *self, PyObject *args)
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| {
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| 	if (!PyArg_ParseTuple(args, ":bestreadsize"))
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| 		return NULL;
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| 
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| 	return PyInt_FromLong((long) CDbestreadsize(self->ob_cdplayer));
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| }
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| 
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| static PyObject *
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| CD_close(cdplayerobject *self, PyObject *args)
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| {
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| 	if (!PyArg_ParseTuple(args, ":close"))
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| 		return NULL;
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| 
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| 	if (!CDclose(self->ob_cdplayer)) {
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| 		PyErr_SetFromErrno(CdError); /* XXX - ??? */
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| 		return NULL;
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| 	}
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| 	self->ob_cdplayer = NULL;
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| 
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| 	Py_INCREF(Py_None);
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| 	return Py_None;
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| }
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| 
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| static PyObject *
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| CD_eject(cdplayerobject *self, PyObject *args)
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| {
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| 	CDSTATUS status;
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| 
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| 	if (!PyArg_ParseTuple(args, ":eject"))
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| 		return NULL;
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| 
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| 	if (!CDeject(self->ob_cdplayer)) {
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| 		if (CDgetstatus(self->ob_cdplayer, &status) &&
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| 		    status.state == CD_NODISC)
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| 			PyErr_SetString(CdError, "no disc in player");
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| 		else
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| 			PyErr_SetString(CdError, "eject failed");
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| 		return NULL;
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| 	}
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| 
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| 	Py_INCREF(Py_None);
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| 	return Py_None;
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| }
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| 	
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| static PyObject *
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| CD_getstatus(cdplayerobject *self, PyObject *args)
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| {
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| 	CDSTATUS status;
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| 
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| 	if (!PyArg_ParseTuple(args, ":getstatus"))
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| 		return NULL;
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| 
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| 	if (!CDgetstatus(self->ob_cdplayer, &status)) {
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| 		PyErr_SetFromErrno(CdError); /* XXX - ??? */
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| 		return NULL;
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| 	}
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| 
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| 	return Py_BuildValue("(ii(iii)(iii)(iii)iiii)", status.state,
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| 		       status.track, status.min, status.sec, status.frame,
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| 		       status.abs_min, status.abs_sec, status.abs_frame,
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| 		       status.total_min, status.total_sec, status.total_frame,
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| 		       status.first, status.last, status.scsi_audio,
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| 		       status.cur_block);
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| }
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| 	
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| static PyObject *
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| CD_gettrackinfo(cdplayerobject *self, PyObject *args)
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| {
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| 	int track;
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| 	CDTRACKINFO info;
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| 	CDSTATUS status;
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| 
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| 	if (!PyArg_ParseTuple(args, "i:gettrackinfo", &track))
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| 		return NULL;
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| 
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| 	if (!CDgettrackinfo(self->ob_cdplayer, track, &info)) {
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| 		if (CDgetstatus(self->ob_cdplayer, &status) &&
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| 		    status.state == CD_NODISC)
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| 			PyErr_SetString(CdError, "no disc in player");
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| 		else
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| 			PyErr_SetString(CdError, "gettrackinfo failed");
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| 		return NULL;
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| 	}
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| 
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| 	return Py_BuildValue("((iii)(iii))",
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| 		       info.start_min, info.start_sec, info.start_frame,
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| 		       info.total_min, info.total_sec, info.total_frame);
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| }
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| 	
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| static PyObject *
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| CD_msftoblock(cdplayerobject *self, PyObject *args)
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| {
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| 	int min, sec, frame;
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| 
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| 	if (!PyArg_ParseTuple(args, "iii:msftoblock", &min, &sec, &frame))
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| 		return NULL;
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| 
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| 	return PyInt_FromLong((long) CDmsftoblock(self->ob_cdplayer,
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| 						min, sec, frame));
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| }
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| 	
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| static PyObject *
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| CD_play(cdplayerobject *self, PyObject *args)
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| {
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| 	int start, play;
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| 	CDSTATUS status;
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| 
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| 	if (!PyArg_ParseTuple(args, "ii:play", &start, &play))
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| 		return NULL;
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| 
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| 	if (!CDplay(self->ob_cdplayer, start, play)) {
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| 		if (CDgetstatus(self->ob_cdplayer, &status) &&
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| 		    status.state == CD_NODISC)
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| 			PyErr_SetString(CdError, "no disc in player");
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| 		else
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| 			PyErr_SetString(CdError, "play failed");
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| 		return NULL;
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| 	}
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| 
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| 	Py_INCREF(Py_None);
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| 	return Py_None;
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| }
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| 	
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| static PyObject *
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| CD_playabs(cdplayerobject *self, PyObject *args)
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| {
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| 	int min, sec, frame, play;
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| 	CDSTATUS status;
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| 
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| 	if (!PyArg_ParseTuple(args, "iiii:playabs", &min, &sec, &frame, &play))
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| 		return NULL;
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| 
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| 	if (!CDplayabs(self->ob_cdplayer, min, sec, frame, play)) {
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| 		if (CDgetstatus(self->ob_cdplayer, &status) &&
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| 		    status.state == CD_NODISC)
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| 			PyErr_SetString(CdError, "no disc in player");
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| 		else
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| 			PyErr_SetString(CdError, "playabs failed");
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| 		return NULL;
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| 	}
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| 
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| 	Py_INCREF(Py_None);
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| 	return Py_None;
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| }
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| 	
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| static PyObject *
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| CD_playtrack(cdplayerobject *self, PyObject *args)
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| {
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| 	int start, play;
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| 	CDSTATUS status;
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| 
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| 	if (!PyArg_ParseTuple(args, "ii:playtrack", &start, &play))
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| 		return NULL;
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| 
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| 	if (!CDplaytrack(self->ob_cdplayer, start, play)) {
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| 		if (CDgetstatus(self->ob_cdplayer, &status) &&
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| 		    status.state == CD_NODISC)
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| 			PyErr_SetString(CdError, "no disc in player");
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| 		else
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| 			PyErr_SetString(CdError, "playtrack failed");
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| 		return NULL;
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| 	}
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| 
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| 	Py_INCREF(Py_None);
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| 	return Py_None;
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| }
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| 	
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| static PyObject *
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| CD_playtrackabs(cdplayerobject *self, PyObject *args)
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| {
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| 	int track, min, sec, frame, play;
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| 	CDSTATUS status;
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| 
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| 	if (!PyArg_ParseTuple(args, "iiiii:playtrackabs", &track, &min, &sec,
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| 			      &frame, &play))
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| 		return NULL;
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| 
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| 	if (!CDplaytrackabs(self->ob_cdplayer, track, min, sec, frame, play)) {
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| 		if (CDgetstatus(self->ob_cdplayer, &status) &&
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| 		    status.state == CD_NODISC)
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| 			PyErr_SetString(CdError, "no disc in player");
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| 		else
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| 			PyErr_SetString(CdError, "playtrackabs failed");
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| 		return NULL;
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| 	}
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| 
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| 	Py_INCREF(Py_None);
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| 	return Py_None;
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| }
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| 	
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| static PyObject *
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| CD_readda(cdplayerobject *self, PyObject *args)
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| {
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| 	int numframes, n;
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| 	PyObject *result;
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| 
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| 	if (!PyArg_ParseTuple(args, "i:readda", &numframes))
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| 		return NULL;
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| 
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| 	result = PyString_FromStringAndSize(NULL, numframes * sizeof(CDFRAME));
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| 	if (result == NULL)
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| 		return NULL;
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| 
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| 	n = CDreadda(self->ob_cdplayer,
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| 		       (CDFRAME *) PyString_AsString(result), numframes);
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| 	if (n == -1) {
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| 		Py_DECREF(result);
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| 		PyErr_SetFromErrno(CdError);
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| 		return NULL;
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| 	}
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| 	if (n < numframes)
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| 		_PyString_Resize(&result, n * sizeof(CDFRAME));
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| 
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| 	return result;
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| }
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| 
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| static PyObject *
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| CD_seek(cdplayerobject *self, PyObject *args)
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| {
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| 	int min, sec, frame;
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| 	long PyTryBlock;
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| 
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| 	if (!PyArg_ParseTuple(args, "iii:seek", &min, &sec, &frame))
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| 		return NULL;
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| 
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| 	PyTryBlock = CDseek(self->ob_cdplayer, min, sec, frame);
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| 	if (PyTryBlock == -1) {
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| 		PyErr_SetFromErrno(CdError);
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| 		return NULL;
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| 	}
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| 
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| 	return PyInt_FromLong(PyTryBlock);
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| }
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| 	
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| static PyObject *
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| CD_seektrack(cdplayerobject *self, PyObject *args)
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| {
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| 	int track;
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| 	long PyTryBlock;
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| 
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| 	if (!PyArg_ParseTuple(args, "i:seektrack", &track))
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| 		return NULL;
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| 
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| 	PyTryBlock = CDseektrack(self->ob_cdplayer, track);
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| 	if (PyTryBlock == -1) {
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| 		PyErr_SetFromErrno(CdError);
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| 		return NULL;
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| 	}
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| 
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| 	return PyInt_FromLong(PyTryBlock);
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| }
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| 	
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| static PyObject *
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| CD_seekblock(cdplayerobject *self, PyObject *args)
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| {
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| 	unsigned long PyTryBlock;
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| 
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| 	if (!PyArg_ParseTuple(args, "l:seekblock", &PyTryBlock))
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| 		return NULL;
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| 
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| 	PyTryBlock = CDseekblock(self->ob_cdplayer, PyTryBlock);
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| 	if (PyTryBlock == (unsigned long) -1) {
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| 		PyErr_SetFromErrno(CdError);
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| 		return NULL;
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| 	}
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| 
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| 	return PyInt_FromLong(PyTryBlock);
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| }
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| 	
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| static PyObject *
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| CD_stop(cdplayerobject *self, PyObject *args)
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| {
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| 	CDSTATUS status;
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| 
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| 	if (!PyArg_ParseTuple(args, ":stop"))
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| 		return NULL;
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| 
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| 	if (!CDstop(self->ob_cdplayer)) {
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| 		if (CDgetstatus(self->ob_cdplayer, &status) &&
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| 		    status.state == CD_NODISC)
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| 			PyErr_SetString(CdError, "no disc in player");
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| 		else
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| 			PyErr_SetString(CdError, "stop failed");
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| 		return NULL;
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| 	}
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| 
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| 	Py_INCREF(Py_None);
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| 	return Py_None;
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| }
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| 	
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| static PyObject *
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| CD_togglepause(cdplayerobject *self, PyObject *args)
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| {
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| 	CDSTATUS status;
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| 
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| 	if (!PyArg_ParseTuple(args, ":togglepause"))
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| 		return NULL;
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| 
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| 	if (!CDtogglepause(self->ob_cdplayer)) {
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| 		if (CDgetstatus(self->ob_cdplayer, &status) &&
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| 		    status.state == CD_NODISC)
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| 			PyErr_SetString(CdError, "no disc in player");
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| 		else
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| 			PyErr_SetString(CdError, "togglepause failed");
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| 		return NULL;
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| 	}
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| 
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| 	Py_INCREF(Py_None);
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| 	return Py_None;
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| }
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| 	
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| static PyMethodDef cdplayer_methods[] = {
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| 	{"allowremoval",	(PyCFunction)CD_allowremoval,	METH_VARARGS},
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| 	{"bestreadsize",	(PyCFunction)CD_bestreadsize,	METH_VARARGS},
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| 	{"close",		(PyCFunction)CD_close,		METH_VARARGS},
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| 	{"eject",		(PyCFunction)CD_eject,		METH_VARARGS},
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| 	{"getstatus",		(PyCFunction)CD_getstatus,		METH_VARARGS},
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| 	{"gettrackinfo",	(PyCFunction)CD_gettrackinfo,	METH_VARARGS},
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| 	{"msftoblock",		(PyCFunction)CD_msftoblock,		METH_VARARGS},
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| 	{"play",		(PyCFunction)CD_play,		METH_VARARGS},
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| 	{"playabs",		(PyCFunction)CD_playabs,		METH_VARARGS},
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| 	{"playtrack",		(PyCFunction)CD_playtrack,		METH_VARARGS},
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| 	{"playtrackabs",	(PyCFunction)CD_playtrackabs,	METH_VARARGS},
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| 	{"preventremoval",	(PyCFunction)CD_preventremoval,	METH_VARARGS},
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| 	{"readda",		(PyCFunction)CD_readda,		METH_VARARGS},
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| 	{"seek",		(PyCFunction)CD_seek,		METH_VARARGS},
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| 	{"seekblock",		(PyCFunction)CD_seekblock,		METH_VARARGS},
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| 	{"seektrack",		(PyCFunction)CD_seektrack,		METH_VARARGS},
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| 	{"stop",		(PyCFunction)CD_stop,		METH_VARARGS},
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| 	{"togglepause",		(PyCFunction)CD_togglepause,   	METH_VARARGS},
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| 	{NULL,			NULL} 		/* sentinel */
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| };
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| 
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| static void
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| cdplayer_dealloc(cdplayerobject *self)
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| {
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| 	if (self->ob_cdplayer != NULL)
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| 		CDclose(self->ob_cdplayer);
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| 	PyObject_Del(self);
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| }
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| 
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| static PyObject *
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| cdplayer_getattr(cdplayerobject *self, char *name)
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| {
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| 	if (self->ob_cdplayer == NULL) {
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| 		PyErr_SetString(PyExc_RuntimeError, "no player active");
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| 		return NULL;
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| 	}
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| 	return Py_FindMethod(cdplayer_methods, (PyObject *)self, name);
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| }
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| 
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| PyTypeObject CdPlayertype = {
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| 	PyObject_HEAD_INIT(&PyType_Type)
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| 	0,			/*ob_size*/
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| 	"cd.cdplayer",	/*tp_name*/
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| 	sizeof(cdplayerobject),	/*tp_size*/
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| 	0,			/*tp_itemsize*/
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| 	/* methods */
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| 	(destructor)cdplayer_dealloc, /*tp_dealloc*/
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| 	0,			/*tp_print*/
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| 	(getattrfunc)cdplayer_getattr, /*tp_getattr*/
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| 	0,			/*tp_setattr*/
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| 	0,			/*tp_compare*/
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| 	0,			/*tp_repr*/
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| };
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| 
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| static PyObject *
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| newcdplayerobject(CDPLAYER *cdp)
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| {
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| 	cdplayerobject *p;
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| 
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| 	p = PyObject_New(cdplayerobject, &CdPlayertype);
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| 	if (p == NULL)
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| 		return NULL;
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| 	p->ob_cdplayer = cdp;
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| 	return (PyObject *) p;
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| }
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| 
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| static PyObject *
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| CD_open(PyObject *self, PyObject *args)
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| {
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| 	char *dev, *direction;
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| 	CDPLAYER *cdp;
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| 
 | |
| 	/*
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| 	 * Variable number of args.
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| 	 * First defaults to "None", second defaults to "r".
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| 	 */
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| 	dev = NULL;
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| 	direction = "r";
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| 	if (!PyArg_ParseTuple(args, "|zs:open", &dev, &direction))
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| 		return NULL;
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| 
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| 	cdp = CDopen(dev, direction);
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| 	if (cdp == NULL) {
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| 		PyErr_SetFromErrno(CdError);
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| 		return NULL;
 | |
| 	}
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| 
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| 	return newcdplayerobject(cdp);
 | |
| }
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| 
 | |
| typedef struct {
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| 	PyObject_HEAD
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| 	CDPARSER *ob_cdparser;
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| 	struct {
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| 		PyObject *ob_cdcallback;
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| 		PyObject *ob_cdcallbackarg;
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| 	} ob_cdcallbacks[NCALLBACKS];
 | |
| } cdparserobject;
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| 
 | |
| static void
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| CD_callback(void *arg, CDDATATYPES type, void *data)
 | |
| {
 | |
| 	PyObject *result, *args, *v = NULL;
 | |
| 	char *p;
 | |
| 	int i;
 | |
| 	cdparserobject *self;
 | |
| 
 | |
| 	self = (cdparserobject *) arg;
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| 	args = PyTuple_New(3);
 | |
| 	if (args == NULL)
 | |
| 		return;
 | |
| 	Py_INCREF(self->ob_cdcallbacks[type].ob_cdcallbackarg);
 | |
| 	PyTuple_SetItem(args, 0, self->ob_cdcallbacks[type].ob_cdcallbackarg);
 | |
| 	PyTuple_SetItem(args, 1, PyInt_FromLong((long) type));
 | |
| 	switch (type) {
 | |
| 	case cd_audio:
 | |
| 		v = PyString_FromStringAndSize(data, CDDA_DATASIZE);
 | |
| 		break;
 | |
| 	case cd_pnum:
 | |
| 	case cd_index:
 | |
| 		v = PyInt_FromLong(((CDPROGNUM *) data)->value);
 | |
| 		break;
 | |
| 	case cd_ptime:
 | |
| 	case cd_atime:
 | |
| #define ptr ((struct cdtimecode *) data)
 | |
| 		v = Py_BuildValue("(iii)",
 | |
| 			    ptr->mhi * 10 + ptr->mlo,
 | |
| 			    ptr->shi * 10 + ptr->slo,
 | |
| 			    ptr->fhi * 10 + ptr->flo);
 | |
| #undef ptr
 | |
| 		break;
 | |
| 	case cd_catalog:
 | |
| 		v = PyString_FromStringAndSize(NULL, 13);
 | |
| 		p = PyString_AsString(v);
 | |
| 		for (i = 0; i < 13; i++)
 | |
| 			*p++ = ((char *) data)[i] + '0';
 | |
| 		break;
 | |
| 	case cd_ident:
 | |
| #define ptr ((struct cdident *) data)
 | |
| 		v = PyString_FromStringAndSize(NULL, 12);
 | |
| 		p = PyString_AsString(v);
 | |
| 		CDsbtoa(p, ptr->country, 2);
 | |
| 		p += 2;
 | |
| 		CDsbtoa(p, ptr->owner, 3);
 | |
| 		p += 3;
 | |
| 		*p++ = ptr->year[0] + '0';
 | |
| 		*p++ = ptr->year[1] + '0';
 | |
| 		*p++ = ptr->serial[0] + '0';
 | |
| 		*p++ = ptr->serial[1] + '0';
 | |
| 		*p++ = ptr->serial[2] + '0';
 | |
| 		*p++ = ptr->serial[3] + '0';
 | |
| 		*p++ = ptr->serial[4] + '0';
 | |
| #undef ptr
 | |
| 		break;
 | |
| 	case cd_control:
 | |
| 		v = PyInt_FromLong((long) *((unchar *) data));
 | |
| 		break;
 | |
| 	}
 | |
| 	PyTuple_SetItem(args, 2, v);
 | |
| 	if (PyErr_Occurred()) {
 | |
| 		Py_DECREF(args);
 | |
| 		return;
 | |
| 	}
 | |
| 	
 | |
| 	result = PyEval_CallObject(self->ob_cdcallbacks[type].ob_cdcallback,
 | |
| 				   args);
 | |
| 	Py_DECREF(args);
 | |
| 	Py_XDECREF(result);
 | |
| }
 | |
| 
 | |
| static PyObject *
 | |
| CD_deleteparser(cdparserobject *self, PyObject *args)
 | |
| {
 | |
| 	int i;
 | |
| 
 | |
| 	if (!PyArg_ParseTuple(args, ":deleteparser"))
 | |
| 		return NULL;
 | |
| 
 | |
| 	CDdeleteparser(self->ob_cdparser);
 | |
| 	self->ob_cdparser = NULL;
 | |
| 
 | |
| 	/* no sense in keeping the callbacks, so remove them */
 | |
| 	for (i = 0; i < NCALLBACKS; i++) {
 | |
| 		Py_XDECREF(self->ob_cdcallbacks[i].ob_cdcallback);
 | |
| 		self->ob_cdcallbacks[i].ob_cdcallback = NULL;
 | |
| 		Py_XDECREF(self->ob_cdcallbacks[i].ob_cdcallbackarg);
 | |
| 		self->ob_cdcallbacks[i].ob_cdcallbackarg = NULL;
 | |
| 	}
 | |
| 
 | |
| 	Py_INCREF(Py_None);
 | |
| 	return Py_None;
 | |
| }
 | |
| 
 | |
| static PyObject *
 | |
| CD_parseframe(cdparserobject *self, PyObject *args)
 | |
| {
 | |
| 	char *cdfp;
 | |
| 	int length;
 | |
| 	CDFRAME *p;
 | |
| 
 | |
| 	if (!PyArg_ParseTuple(args, "s#:parseframe", &cdfp, &length))
 | |
| 		return NULL;
 | |
| 
 | |
| 	if (length % sizeof(CDFRAME) != 0) {
 | |
| 		PyErr_SetString(PyExc_TypeError, "bad length");
 | |
| 		return NULL;
 | |
| 	}
 | |
| 
 | |
| 	p = (CDFRAME *) cdfp;
 | |
| 	while (length > 0) {
 | |
| 		CDparseframe(self->ob_cdparser, p);
 | |
| 		length -= sizeof(CDFRAME);
 | |
| 		p++;
 | |
| 		if (PyErr_Occurred())
 | |
| 			return NULL;
 | |
| 	}
 | |
| 
 | |
| 	Py_INCREF(Py_None);
 | |
| 	return Py_None;
 | |
| }
 | |
| 
 | |
| static PyObject *
 | |
| CD_removecallback(cdparserobject *self, PyObject *args)
 | |
| {
 | |
| 	int type;
 | |
| 
 | |
| 	if (!PyArg_ParseTuple(args, "i:removecallback", &type))
 | |
| 		return NULL;
 | |
| 
 | |
| 	if (type < 0 || type >= NCALLBACKS) {
 | |
| 		PyErr_SetString(PyExc_TypeError, "bad type");
 | |
| 		return NULL;
 | |
| 	}
 | |
| 
 | |
| 	CDremovecallback(self->ob_cdparser, (CDDATATYPES) type);
 | |
| 
 | |
| 	Py_XDECREF(self->ob_cdcallbacks[type].ob_cdcallback);
 | |
| 	self->ob_cdcallbacks[type].ob_cdcallback = NULL;
 | |
| 
 | |
| 	Py_XDECREF(self->ob_cdcallbacks[type].ob_cdcallbackarg);
 | |
| 	self->ob_cdcallbacks[type].ob_cdcallbackarg = NULL;
 | |
| 
 | |
| 	Py_INCREF(Py_None);
 | |
| 	return Py_None;
 | |
| }
 | |
| 
 | |
| static PyObject *
 | |
| CD_resetparser(cdparserobject *self, PyObject *args)
 | |
| {
 | |
| 	if (!PyArg_ParseTuple(args, ":resetparser"))
 | |
| 		return NULL;
 | |
| 
 | |
| 	CDresetparser(self->ob_cdparser);
 | |
| 
 | |
| 	Py_INCREF(Py_None);
 | |
| 	return Py_None;
 | |
| }
 | |
| 
 | |
| static PyObject *
 | |
| CD_addcallback(cdparserobject *self, PyObject *args)
 | |
| {
 | |
| 	int type;
 | |
| 	PyObject *func, *funcarg;
 | |
| 
 | |
| 	/* XXX - more work here */
 | |
| 	if (!PyArg_ParseTuple(args, "iOO:addcallback", &type, &func, &funcarg))
 | |
| 		return NULL;
 | |
| 
 | |
| 	if (type < 0 || type >= NCALLBACKS) {
 | |
| 		PyErr_SetString(PyExc_TypeError, "argument out of range");
 | |
| 		return NULL;
 | |
| 	}
 | |
| 
 | |
| #ifdef CDsetcallback
 | |
| 	CDaddcallback(self->ob_cdparser, (CDDATATYPES) type, CD_callback,
 | |
| 		      (void *) self);
 | |
| #else
 | |
| 	CDsetcallback(self->ob_cdparser, (CDDATATYPES) type, CD_callback,
 | |
| 		      (void *) self);
 | |
| #endif
 | |
| 	Py_XDECREF(self->ob_cdcallbacks[type].ob_cdcallback);
 | |
| 	Py_INCREF(func);
 | |
| 	self->ob_cdcallbacks[type].ob_cdcallback = func;
 | |
| 	Py_XDECREF(self->ob_cdcallbacks[type].ob_cdcallbackarg);
 | |
| 	Py_INCREF(funcarg);
 | |
| 	self->ob_cdcallbacks[type].ob_cdcallbackarg = funcarg;
 | |
| 
 | |
| /*
 | |
| 	if (type == cd_audio) {
 | |
| 		sigfpe_[_UNDERFL].repls = _ZERO;
 | |
| 		handle_sigfpes(_ON, _EN_UNDERFL, NULL,
 | |
| 		                        _ABORT_ON_ERROR, NULL);
 | |
| 	}
 | |
| */
 | |
| 
 | |
| 	Py_INCREF(Py_None);
 | |
| 	return Py_None;
 | |
| }
 | |
| 
 | |
| static PyMethodDef cdparser_methods[] = {
 | |
| 	{"addcallback",		(PyCFunction)CD_addcallback,   	METH_VARARGS},
 | |
| 	{"deleteparser",	(PyCFunction)CD_deleteparser,	METH_VARARGS},
 | |
| 	{"parseframe",		(PyCFunction)CD_parseframe,	METH_VARARGS},
 | |
| 	{"removecallback",	(PyCFunction)CD_removecallback,	METH_VARARGS},
 | |
| 	{"resetparser",		(PyCFunction)CD_resetparser,	METH_VARARGS},
 | |
| 		                                /* backward compatibility */
 | |
| 	{"setcallback",		(PyCFunction)CD_addcallback,   	METH_VARARGS},
 | |
| 	{NULL,			NULL} 		/* sentinel */
 | |
| };
 | |
| 
 | |
| static void
 | |
| cdparser_dealloc(cdparserobject *self)
 | |
| {
 | |
| 	int i;
 | |
| 
 | |
| 	for (i = 0; i < NCALLBACKS; i++) {
 | |
| 		Py_XDECREF(self->ob_cdcallbacks[i].ob_cdcallback);
 | |
| 		self->ob_cdcallbacks[i].ob_cdcallback = NULL;
 | |
| 		Py_XDECREF(self->ob_cdcallbacks[i].ob_cdcallbackarg);
 | |
| 		self->ob_cdcallbacks[i].ob_cdcallbackarg = NULL;
 | |
| 	}
 | |
| 	CDdeleteparser(self->ob_cdparser);
 | |
| 	PyObject_Del(self);
 | |
| }
 | |
| 
 | |
| static PyObject *
 | |
| cdparser_getattr(cdparserobject *self, char *name)
 | |
| {
 | |
| 	if (self->ob_cdparser == NULL) {
 | |
| 		PyErr_SetString(PyExc_RuntimeError, "no parser active");
 | |
| 		return NULL;
 | |
| 	}
 | |
| 
 | |
| 	return Py_FindMethod(cdparser_methods, (PyObject *)self, name);
 | |
| }
 | |
| 
 | |
| PyTypeObject CdParsertype = {
 | |
| 	PyObject_HEAD_INIT(&PyType_Type)
 | |
| 	0,			/*ob_size*/
 | |
| 	"cd.cdparser",		/*tp_name*/
 | |
| 	sizeof(cdparserobject),	/*tp_size*/
 | |
| 	0,			/*tp_itemsize*/
 | |
| 	/* methods */
 | |
| 	(destructor)cdparser_dealloc, /*tp_dealloc*/
 | |
| 	0,			/*tp_print*/
 | |
| 	(getattrfunc)cdparser_getattr, /*tp_getattr*/
 | |
| 	0,			/*tp_setattr*/
 | |
| 	0,			/*tp_compare*/
 | |
| 	0,			/*tp_repr*/
 | |
| };
 | |
| 
 | |
| static PyObject *
 | |
| newcdparserobject(CDPARSER *cdp)
 | |
| {
 | |
| 	cdparserobject *p;
 | |
| 	int i;
 | |
| 
 | |
| 	p = PyObject_New(cdparserobject, &CdParsertype);
 | |
| 	if (p == NULL)
 | |
| 		return NULL;
 | |
| 	p->ob_cdparser = cdp;
 | |
| 	for (i = 0; i < NCALLBACKS; i++) {
 | |
| 		p->ob_cdcallbacks[i].ob_cdcallback = NULL;
 | |
| 		p->ob_cdcallbacks[i].ob_cdcallbackarg = NULL;
 | |
| 	}
 | |
| 	return (PyObject *) p;
 | |
| }
 | |
| 
 | |
| static PyObject *
 | |
| CD_createparser(PyObject *self, PyObject *args)
 | |
| {
 | |
| 	CDPARSER *cdp;
 | |
| 
 | |
| 	if (!PyArg_ParseTuple(args, ":createparser"))
 | |
| 		return NULL;
 | |
| 	cdp = CDcreateparser();
 | |
| 	if (cdp == NULL) {
 | |
| 		PyErr_SetString(CdError, "createparser failed");
 | |
| 		return NULL;
 | |
| 	}
 | |
| 
 | |
| 	return newcdparserobject(cdp);
 | |
| }
 | |
| 
 | |
| static PyObject *
 | |
| CD_msftoframe(PyObject *self, PyObject *args)
 | |
| {
 | |
| 	int min, sec, frame;
 | |
| 
 | |
| 	if (!PyArg_ParseTuple(args, "iii:msftoframe", &min, &sec, &frame))
 | |
| 		return NULL;
 | |
| 
 | |
| 	return PyInt_FromLong((long) CDmsftoframe(min, sec, frame));
 | |
| }
 | |
| 	
 | |
| static PyMethodDef CD_methods[] = {
 | |
| 	{"open",		(PyCFunction)CD_open,		METH_VARARGS},
 | |
| 	{"createparser",	(PyCFunction)CD_createparser,	METH_VARARGS},
 | |
| 	{"msftoframe",		(PyCFunction)CD_msftoframe,	METH_VARARGS},
 | |
| 	{NULL,		NULL}	/* Sentinel */
 | |
| };
 | |
| 
 | |
| void
 | |
| initcd(void)
 | |
| {
 | |
| 	PyObject *m, *d;
 | |
| 
 | |
| 	m = Py_InitModule("cd", CD_methods);
 | |
| 	if (m == NULL)
 | |
| 		return;
 | |
| 	d = PyModule_GetDict(m);
 | |
| 
 | |
| 	CdError = PyErr_NewException("cd.error", NULL, NULL);
 | |
| 	PyDict_SetItemString(d, "error", CdError);
 | |
| 
 | |
| 	/* Identifiers for the different types of callbacks from the parser */
 | |
| 	PyDict_SetItemString(d, "audio", PyInt_FromLong((long) cd_audio));
 | |
| 	PyDict_SetItemString(d, "pnum", PyInt_FromLong((long) cd_pnum));
 | |
| 	PyDict_SetItemString(d, "index", PyInt_FromLong((long) cd_index));
 | |
| 	PyDict_SetItemString(d, "ptime", PyInt_FromLong((long) cd_ptime));
 | |
| 	PyDict_SetItemString(d, "atime", PyInt_FromLong((long) cd_atime));
 | |
| 	PyDict_SetItemString(d, "catalog", PyInt_FromLong((long) cd_catalog));
 | |
| 	PyDict_SetItemString(d, "ident", PyInt_FromLong((long) cd_ident));
 | |
| 	PyDict_SetItemString(d, "control", PyInt_FromLong((long) cd_control));
 | |
| 
 | |
| 	/* Block size information for digital audio data */
 | |
| 	PyDict_SetItemString(d, "DATASIZE",
 | |
| 			   PyInt_FromLong((long) CDDA_DATASIZE));
 | |
| 	PyDict_SetItemString(d, "BLOCKSIZE",
 | |
| 			   PyInt_FromLong((long) CDDA_BLOCKSIZE));
 | |
| 
 | |
| 	/* Possible states for the cd player */
 | |
| 	PyDict_SetItemString(d, "ERROR", PyInt_FromLong((long) CD_ERROR));
 | |
| 	PyDict_SetItemString(d, "NODISC", PyInt_FromLong((long) CD_NODISC));
 | |
| 	PyDict_SetItemString(d, "READY", PyInt_FromLong((long) CD_READY));
 | |
| 	PyDict_SetItemString(d, "PLAYING", PyInt_FromLong((long) CD_PLAYING));
 | |
| 	PyDict_SetItemString(d, "PAUSED", PyInt_FromLong((long) CD_PAUSED));
 | |
| 	PyDict_SetItemString(d, "STILL", PyInt_FromLong((long) CD_STILL));
 | |
| #ifdef CD_CDROM			/* only newer versions of the library */
 | |
| 	PyDict_SetItemString(d, "CDROM", PyInt_FromLong((long) CD_CDROM));
 | |
| #endif
 | |
| }
 | 
