winamp/Src/Plugins/Input/in_cdda/ExtendedRead.cpp

#include "main.h"

#include "CDPlay.h"
#include "DAEPlay.h"
#include "MCIPlay.h"
#include "WindacPlay.h"

#include "api__in_cdda.h"
#include "workorder.h"
#include "CDDB.h"

//returns handle!=0 if successful, 0 if error
//size will return the final nb of bytes written to the output, -1 if unknown
//TODO> add output format stuff (srate, nch, bps)
extern "C" __declspec(dllexport) intptr_t winampGetExtendedRead_openW(const wchar_t *fn, int *size, int *bps, int *nch, int *srate)
{
	s_last_error = NULL;
	C_CDPlay *wp = NULL;
	int ret = 1;

	wchar_t device = 0;
	int track = -1;
	if (!ParseName(fn, device, track))
		return 0;

	if (playStatus[device].IsRipping() || (g_cdplay && g_cdplay->IsPlaying(device)))
	{
		wchar_t title[32] = {0};
		MessageBoxW(NULL, WASABI_API_LNGSTRINGW(IDS_CD_CURRENTLY_IN_USE),
		            WASABI_API_LNGSTRINGW_BUF(IDS_DRIVE_IN_USE,title,32),
					MB_ICONWARNING | MB_OK);
		return -1;
	}

	// Get a ICddbDisc object for MusicID
	#ifndef IGNORE_API_GRACENOTE
	ICddbDiscPtr pDisc = NULL;
	OpenMusicIDWorkOrder();
	if (workorder)
	{
		MCIDEVICEID submitDev = 0;
		if (!CDOpen(&submitDev, device, L"MusicID")) submitDev = 0;
		if (submitDev)
		{
			DINFO info;
			ret = GetDiscID(submitDev, &info);
			CDClose(&submitDev);
			if (ret == 0)
			{
				wchar_t szTOC[2048] = {0};
				if (Cddb_CalculateTOC(&info, szTOC, sizeof(szTOC)/sizeof(wchar_t)))
					Cddb_GetDiscFromCache(szTOC, &pDisc);
			}
		}
	}

	if (config_rip_veritas)
	{
		VeritasPlay *vp = new VeritasPlay(true);
		wp = vp;
		ret = wp->open(device, track);
		if (ret)
		{
			delete(wp);
			wp = NULL;
		}
		else if (workorder && pDisc != 0) // see if MusicID is interested
		{
			void *handle = 0;
			workorder->GetSigHandle(&handle, pDisc, track);
			vp->submitHandle = handle;
		}
	}
	#endif

	if (ret)
	{
		DAEPlay *dae = new DAEPlay;
		if (dae)
		{
			wp = dae;
			ret = wp->open(device, track);
			if (ret)
			{
				delete(wp);
				wp = NULL;
			}
		}
		else
		{
			wp = NULL;
		}
	}

	if (ret)
	{
		wp = new WindacPlay;
		if (wp->open(device, track))
		{
			delete(wp);
			return 0;
		}
	}

	if (size && wp)
	{
		double s = (double)wp->getlength() / 1000;
		s *= (44100 * 4);
		*size = (int)s;
	}
	if (srate) *srate = 44100;
	if (nch) *nch = 2;
	if (bps) *bps = 16;
	playStatus[device].RippingStarted();
	return (intptr_t)wp;
}

//returns nb of bytes read. -1 if read error (like CD ejected). if (ret<len), EOF is assumed
extern "C" __declspec(dllexport) int winampGetExtendedRead_getData(intptr_t handle, char *dest, int len, int *killswitch)
{
	s_last_error = NULL;
	C_CDPlay *wp = (C_CDPlay*)handle;
	return (wp ? wp->read(dest, len, killswitch) : -1);
}

extern "C" __declspec(dllexport) void winampGetExtendedRead_close(intptr_t handle)
{
	s_last_error = NULL;
	C_CDPlay *wp = (C_CDPlay*)handle;
	if (wp)
	{
		playStatus[wp->g_drive].RippingStopped();
		delete wp;
		wp = 0;
	}
}

// extended info writing (used by gen_ml to update the local CDDB database after a burn)

extern "C" __declspec(dllexport) char * winampGetExtendedRead_lasterror()
{
	char * retval = s_last_error;
	s_last_error = NULL;
	return retval;
}