From 2342d48be31847e7ead9d1cc682452e8f0122351 Mon Sep 17 00:00:00 2001
From: llornkcor <llornkcor>
Date: Sat, 20 Jul 2002 22:07:31 +0000
Subject: initial commit of modplugin

---
(limited to 'core/multimedia/opieplayer/modplug/load_ult.cpp')

diff --git a/core/multimedia/opieplayer/modplug/load_ult.cpp b/core/multimedia/opieplayer/modplug/load_ult.cpp
new file mode 100644
index 0000000..c9b7118
--- a/dev/null
+++ b/core/multimedia/opieplayer/modplug/load_ult.cpp
@@ -0,0 +1,225 @@
+/*
+ * This program is  free software; you can redistribute it  and modify it
+ * under the terms of the GNU  General Public License as published by the
+ * Free Software Foundation; either version 2  of the license or (at your
+ * option) any later version.
+ *
+ * Authors: Olivier Lapicque <olivierl@jps.net>
+*/
+
+#include "stdafx.h"
+#include "sndfile.h"
+
+//#pragma warning(disable:4244)
+
+#define ULT_16BIT   0x04
+#define ULT_LOOP    0x08
+#define ULT_BIDI    0x10
+
+#pragma pack(1)
+
+// Raw ULT header struct:
+typedef struct tagULTHEADER
+{
+        char id[15];             // changed from CHAR
+        char songtitle[32];      // changed from CHAR
+	BYTE reserved;
+} Q_PACKED ULTHEADER;
+
+
+// Raw ULT sampleinfo struct:
+typedef struct tagULTSAMPLE
+{
+	CHAR samplename[32];
+	CHAR dosname[12];
+	LONG loopstart;
+	LONG loopend;
+	LONG sizestart;
+	LONG sizeend;
+	BYTE volume;
+	BYTE flags;
+	WORD finetune;
+} Q_PACKED ULTSAMPLE;
+
+#pragma pack()
+
+
+BOOL CSoundFile::ReadUlt(const BYTE *lpStream, DWORD dwMemLength)
+//---------------------------------------------------------------
+{
+	ULTHEADER *pmh = (ULTHEADER *)lpStream;
+	ULTSAMPLE *pus;
+	UINT nos, nop;
+	DWORD dwMemPos = 0;
+
+	// try to read module header
+	if ((!lpStream) || (dwMemLength < 0x100)) return FALSE;
+	if (strncmp(pmh->id,"MAS_UTrack_V00",14)) return FALSE;
+	// Warning! Not supported ULT format, trying anyway
+	// if ((pmh->id[14] < '1') || (pmh->id[14] > '4')) return FALSE;
+	m_nType = MOD_TYPE_ULT;
+	m_nDefaultSpeed = 6;
+	m_nDefaultTempo = 125;
+	memcpy(m_szNames[0], pmh->songtitle, 32);
+	// read songtext
+	dwMemPos = sizeof(ULTHEADER);
+	if ((pmh->reserved) && (dwMemPos + pmh->reserved * 32 < dwMemLength))
+	{
+		UINT len = pmh->reserved * 32;
+		m_lpszSongComments = new char[len + 1 + pmh->reserved];
+		if (m_lpszSongComments)
+		{
+			for (UINT l=0; l<pmh->reserved; l++)
+			{
+				memcpy(m_lpszSongComments+l*33, lpStream+dwMemPos+l*32, 32);
+				m_lpszSongComments[l*33+32] = 0x0D;
+			}
+			m_lpszSongComments[len] = 0;
+		}
+		dwMemPos += len;
+	}
+	if (dwMemPos >= dwMemLength) return TRUE;
+	nos = lpStream[dwMemPos++];
+	m_nSamples = nos;
+	if (m_nSamples >= MAX_SAMPLES) m_nSamples = MAX_SAMPLES-1;
+	UINT smpsize = 64;
+	if (pmh->id[14] >= '4')	smpsize += 2;
+	if (dwMemPos + nos*smpsize + 256 + 2 > dwMemLength) return TRUE;
+	for (UINT ins=1; ins<=nos; ins++, dwMemPos+=smpsize) if (ins<=m_nSamples)
+	{
+		pus	= (ULTSAMPLE *)(lpStream+dwMemPos);
+		MODINSTRUMENT *pins = &Ins[ins];
+		memcpy(m_szNames[ins], pus->samplename, 32);
+		memcpy(pins->name, pus->dosname, 12);
+		pins->nLoopStart = pus->loopstart;
+		pins->nLoopEnd = pus->loopend;
+		pins->nLength = pus->sizeend - pus->sizestart;
+		pins->nVolume = pus->volume;
+		pins->nGlobalVol = 64;
+		pins->nC4Speed = 8363;
+		if (pmh->id[14] >= '4')
+		{
+			pins->nC4Speed = pus->finetune;
+		}
+		if (pus->flags & ULT_LOOP) pins->uFlags |= CHN_LOOP;
+		if (pus->flags & ULT_BIDI) pins->uFlags |= CHN_PINGPONGLOOP;
+		if (pus->flags & ULT_16BIT)
+		{
+			pins->uFlags |= CHN_16BIT;
+			pins->nLoopStart >>= 1;
+			pins->nLoopEnd >>= 1;
+		}
+	}
+	memcpy(Order, lpStream+dwMemPos, 256);
+	dwMemPos += 256;
+	m_nChannels = lpStream[dwMemPos] + 1;
+	nop = lpStream[dwMemPos+1] + 1;
+	dwMemPos += 2;
+	if (m_nChannels > 32) m_nChannels = 32;
+	// Default channel settings
+	for (UINT nSet=0; nSet<m_nChannels; nSet++)
+	{
+		ChnSettings[nSet].nVolume = 64;
+		ChnSettings[nSet].nPan = (nSet & 1) ? 0x40 : 0xC0;
+	}
+	// read pan position table for v1.5 and higher
+	if(pmh->id[14]>='3')
+	{
+		if (dwMemPos + m_nChannels > dwMemLength) return TRUE;
+		for(UINT t=0; t<m_nChannels; t++)
+		{
+			ChnSettings[t].nPan = (lpStream[dwMemPos++] << 4) + 8;
+			if (ChnSettings[t].nPan > 256) ChnSettings[t].nPan = 256;
+		}
+	}
+	// Allocating Patterns
+	for (UINT nAllocPat=0; nAllocPat<nop; nAllocPat++)
+	{
+		if (nAllocPat < MAX_PATTERNS)
+		{
+			PatternSize[nAllocPat] = 64;
+			Patterns[nAllocPat] = AllocatePattern(64, m_nChannels);
+		}
+	}
+	// Reading Patterns
+	for (UINT nChn=0; nChn<m_nChannels; nChn++)
+	{
+		for (UINT nPat=0; nPat<nop; nPat++)
+		{
+			MODCOMMAND *pat = NULL;
+			
+			if (nPat < MAX_PATTERNS)
+			{
+				pat = Patterns[nPat];
+				if (pat) pat += nChn;
+			}
+			UINT row = 0;
+			while (row < 64)
+			{
+				if (dwMemPos + 6 > dwMemLength) return TRUE;
+				UINT rep = 1;
+				UINT note = lpStream[dwMemPos++];
+				if (note == 0xFC)
+				{
+					rep = lpStream[dwMemPos];
+					note = lpStream[dwMemPos+1];
+					dwMemPos += 2;
+				}
+				UINT instr = lpStream[dwMemPos++];
+				UINT eff = lpStream[dwMemPos++];
+				UINT dat1 = lpStream[dwMemPos++];
+				UINT dat2 = lpStream[dwMemPos++];
+				UINT cmd1 = eff & 0x0F;
+				UINT cmd2 = eff >> 4;
+				if (cmd1 == 0x0C) dat1 >>= 2; else
+				if (cmd1 == 0x0B) { cmd1 = dat1 = 0; }
+				if (cmd2 == 0x0C) dat2 >>= 2; else
+				if (cmd2 == 0x0B) { cmd2 = dat2 = 0; }
+				while ((rep != 0) && (row < 64))
+				{
+					if (pat)
+					{
+						pat->instr = instr;
+						if (note) pat->note = note + 36;
+						if (cmd1 | dat1)
+						{
+							if (cmd1 == 0x0C)
+							{
+								pat->volcmd = VOLCMD_VOLUME;
+								pat->vol = dat1;
+							} else
+							{
+								pat->command = cmd1;
+								pat->param = dat1;
+								ConvertModCommand(pat);
+							}
+						}
+						if (cmd2 == 0x0C)
+						{
+							pat->volcmd = VOLCMD_VOLUME;
+							pat->vol = dat2;
+						} else
+						if ((cmd2 | dat2) && (!pat->command))
+						{
+							pat->command = cmd2;
+							pat->param = dat2;
+							ConvertModCommand(pat);
+						}
+						pat += m_nChannels;
+					}
+					row++;
+					rep--;
+				}
+			}
+		}
+	}
+	// Reading Instruments
+	for (UINT smp=1; smp<=m_nSamples; smp++) if (Ins[smp].nLength)
+	{
+		if (dwMemPos >= dwMemLength) return TRUE;
+		UINT flags = (Ins[smp].uFlags & CHN_16BIT) ? RS_PCM16S : RS_PCM8S;
+		dwMemPos += ReadSample(&Ins[smp], flags, (LPSTR)(lpStream+dwMemPos), dwMemLength - dwMemPos);
+	}
+	return TRUE;
+}
+
--
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