AUDIO: Rename sound/ dir to audio/

svn-id: r55850

1 files changed, 0 insertions, 376 deletions

diff --git a/sound/softsynth/cms.cpp b/sound/softsynth/cms.cpp
deleted file mode 100644
index b307146f14..0000000000
--- a/sound/softsynth/cms.cpp
+++ /dev/null
@@ -1,376 +0,0 @@
-/* ScummVM - Graphic Adventure Engine
- *
- * ScummVM is the legal property of its developers, whose names
- * are too numerous to list here. Please refer to the COPYRIGHT
- * file distributed with this source distribution.
- *
- * This program is free software; you can redistribute it and/or
- * 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.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
- *
- * $URL$
- * $Id$
- */
-
-#include "sound/softsynth/cms.h"
-#include "sound/null.h"
-
-#include "common/textconsole.h"
-#include "common/translation.h"
-#include "common/debug.h"
-
-// CMS/Gameblaster Emulation taken from DosBox
-
-#define LEFT	0x00
-#define RIGHT	0x01
-
-static const byte envelope[8][64] = {
-	/* zero amplitude */
-	{ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
-	  0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
-	  0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
-	  0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
-	/* maximum amplitude */
-	{15,15,15,15,15,15,15,15,15,15,15,15,15,15,15,15,
-	 15,15,15,15,15,15,15,15,15,15,15,15,15,15,15,15,
-	 15,15,15,15,15,15,15,15,15,15,15,15,15,15,15,15,
-	 15,15,15,15,15,15,15,15,15,15,15,15,15,15,15,15, },
-	/* single decay */
-	{15,14,13,12,11,10, 9, 8, 7, 6, 5, 4, 3, 2, 1, 0,
-	  0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
-	  0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
-	  0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
-	/* repetitive decay */
-	{15,14,13,12,11,10, 9, 8, 7, 6, 5, 4, 3, 2, 1, 0,
-	 15,14,13,12,11,10, 9, 8, 7, 6, 5, 4, 3, 2, 1, 0,
-	 15,14,13,12,11,10, 9, 8, 7, 6, 5, 4, 3, 2, 1, 0,
-	 15,14,13,12,11,10, 9, 8, 7, 6, 5, 4, 3, 2, 1, 0 },
-	/* single triangular */
-	{ 0, 1, 2, 3, 4, 5, 6, 7, 8, 9,10,11,12,13,14,15,
-	 15,14,13,12,11,10, 9, 8, 7, 6, 5, 4, 3, 2, 1, 0,
-	  0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
-	0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
-	/* repetitive triangular */
-	{ 0, 1, 2, 3, 4, 5, 6, 7, 8, 9,10,11,12,13,14,15,
-	 15,14,13,12,11,10, 9, 8, 7, 6, 5, 4, 3, 2, 1, 0,
-	  0, 1, 2, 3, 4, 5, 6, 7, 8, 9,10,11,12,13,14,15,
-	 15,14,13,12,11,10, 9, 8, 7, 6, 5, 4, 3, 2, 1, 0 },
-	/* single attack */
-	{ 0, 1, 2, 3, 4, 5, 6, 7, 8, 9,10,11,12,13,14,15,
-	  0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
-	  0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
-	  0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
-	/* repetitive attack */
-	{ 0, 1, 2, 3, 4, 5, 6, 7, 8, 9,10,11,12,13,14,15,
-	  0, 1, 2, 3, 4, 5, 6, 7, 8, 9,10,11,12,13,14,15,
-	  0, 1, 2, 3, 4, 5, 6, 7, 8, 9,10,11,12,13,14,15,
-	  0, 1, 2, 3, 4, 5, 6, 7, 8, 9,10,11,12,13,14,15 }
-};
-
-static const int amplitude_lookup[16] = {
-	 0*32767/16,  1*32767/16,  2*32767/16,	3*32767/16,
-	 4*32767/16,  5*32767/16,  6*32767/16,	7*32767/16,
-	 8*32767/16,  9*32767/16, 10*32767/16, 11*32767/16,
-	12*32767/16, 13*32767/16, 14*32767/16, 15*32767/16
-};
-
-void CMSEmulator::portWrite(int port, int val) {
-	switch (port) {
-	case 0x220:
-		portWriteIntern(0, 1, val);
-		break;
-
-	case 0x221:
-		_saa1099[0].selected_reg = val & 0x1f;
-		if (_saa1099[0].selected_reg == 0x18 || _saa1099[0].selected_reg == 0x19) {
-			/* clock the envelope channels */
-			if (_saa1099[0].env_clock[0])
-				envelope(0, 0);
-			if (_saa1099[0].env_clock[1])
-				envelope(0, 1);
-		}
-		break;
-
-	case 0x222:
-		portWriteIntern(1, 1, val);
-		break;
-
-	case 0x223:
-		_saa1099[1].selected_reg = val & 0x1f;
-		if (_saa1099[1].selected_reg == 0x18 || _saa1099[1].selected_reg == 0x19) {
-			/* clock the envelope channels */
-			if (_saa1099[1].env_clock[0])
-				envelope(1, 0);
-			if (_saa1099[1].env_clock[1])
-				envelope(1, 1);
-		}
-		break;
-
-	default:
-		warning("CMSEmulator got port: 0x%X", port);
-		break;
-	}
-}
-
-void CMSEmulator::readBuffer(int16 *buffer, const int numSamples) {
-	update(0, &buffer[0], numSamples);
-	update(1, &buffer[0], numSamples);
-}
-
-void CMSEmulator::envelope(int chip, int ch) {
-	SAA1099 *saa = &_saa1099[chip];
-	if (saa->env_enable[ch]) {
-		int step, mode, mask;
-		mode = saa->env_mode[ch];
-		/* step from 0..63 and then loop in steps 32..63 */
-		step = saa->env_step[ch] = ((saa->env_step[ch] + 1) & 0x3f) | (saa->env_step[ch] & 0x20);
-
-		mask = 15;
-		if (saa->env_bits[ch])
-			mask &= ~1; 	/* 3 bit resolution, mask LSB */
-
-		saa->channels[ch*3+0].envelope[ LEFT] =
-		saa->channels[ch*3+1].envelope[ LEFT] =
-		saa->channels[ch*3+2].envelope[ LEFT] = ::envelope[mode][step] & mask;
-		if (saa->env_reverse_right[ch] & 0x01) {
-			saa->channels[ch*3+0].envelope[RIGHT] =
-			saa->channels[ch*3+1].envelope[RIGHT] =
-			saa->channels[ch*3+2].envelope[RIGHT] = (15 - ::envelope[mode][step]) & mask;
-		} else {
-			saa->channels[ch*3+0].envelope[RIGHT] =
-			saa->channels[ch*3+1].envelope[RIGHT] =
-			saa->channels[ch*3+2].envelope[RIGHT] = ::envelope[mode][step] & mask;
-		}
-	} else {
-		/* envelope mode off, set all envelope factors to 16 */
-		saa->channels[ch*3+0].envelope[ LEFT] =
-		saa->channels[ch*3+1].envelope[ LEFT] =
-		saa->channels[ch*3+2].envelope[ LEFT] =
-		saa->channels[ch*3+0].envelope[RIGHT] =
-		saa->channels[ch*3+1].envelope[RIGHT] =
-		saa->channels[ch*3+2].envelope[RIGHT] = 16;
-	}
-}
-
-void CMSEmulator::update(int chip, int16 *buffer, int length) {
-	struct SAA1099 *saa = &_saa1099[chip];
-	int j, ch;
-
-	/* if the channels are disabled we're done */
-	if (!saa->all_ch_enable) {
-		/* init output data */
-		if (chip == 0) {
-			memset(buffer, 0, sizeof(int16)*length*2);
-		}
-		return;
-	}
-
-	if (chip == 0) {
-		memset(buffer, 0, sizeof(int16)*length*2);
-	}
-
-	for (ch = 0; ch < 2; ch++) {
-		switch (saa->noise_params[ch]) {
-		case 0: saa->noise[ch].freq = 31250.0 * 2; break;
-		case 1: saa->noise[ch].freq = 15625.0 * 2; break;
-		case 2: saa->noise[ch].freq =  7812.5 * 2; break;
-		case 3: saa->noise[ch].freq = saa->channels[ch * 3].freq; break;
-		}
-	}
-
-	/* fill all data needed */
-	for (j = 0; j < length; ++j) {
-		int output_l = 0, output_r = 0;
-
-		/* for each channel */
-		for (ch = 0; ch < 6; ch++) {
-			if (saa->channels[ch].freq == 0.0)
-				saa->channels[ch].freq = (double)((2 * 15625) << saa->channels[ch].octave) /
-				(511.0 - (double)saa->channels[ch].frequency);
-
-			/* check the actual position in the square wave */
-			saa->channels[ch].counter -= saa->channels[ch].freq;
-			while (saa->channels[ch].counter < 0) {
-				/* calculate new frequency now after the half wave is updated */
-				saa->channels[ch].freq = (double)((2 * 15625) << saa->channels[ch].octave) /
-					(511.0 - (double)saa->channels[ch].frequency);
-
-				saa->channels[ch].counter += _sampleRate;
-				saa->channels[ch].level ^= 1;
-
-				/* eventually clock the envelope counters */
-				if (ch == 1 && saa->env_clock[0] == 0)
-					envelope(chip, 0);
-				if (ch == 4 && saa->env_clock[1] == 0)
-					envelope(chip, 1);
-			}
-
-			/* if the noise is enabled */
-			if (saa->channels[ch].noise_enable) {
-				/* if the noise level is high (noise 0: chan 0-2, noise 1: chan 3-5) */
-				if (saa->noise[ch/3].level & 1) {
-					/* subtract to avoid overflows, also use only half amplitude */
-					output_l -= saa->channels[ch].amplitude[ LEFT] * saa->channels[ch].envelope[ LEFT] / 16 / 2;
-					output_r -= saa->channels[ch].amplitude[RIGHT] * saa->channels[ch].envelope[RIGHT] / 16 / 2;
-				}
-			}
-
-			/* if the square wave is enabled */
-			if (saa->channels[ch].freq_enable) {
-				/* if the channel level is high */
-				if (saa->channels[ch].level & 1) {
-					output_l += saa->channels[ch].amplitude[ LEFT] * saa->channels[ch].envelope[ LEFT] / 16;
-					output_r += saa->channels[ch].amplitude[RIGHT] * saa->channels[ch].envelope[RIGHT] / 16;
-				}
-			}
-		}
-
-		for (ch = 0; ch < 2; ch++) {
-			/* check the actual position in noise generator */
-			saa->noise[ch].counter -= saa->noise[ch].freq;
-			while (saa->noise[ch].counter < 0) {
-				saa->noise[ch].counter += _sampleRate;
-				if (((saa->noise[ch].level & 0x4000) == 0) == ((saa->noise[ch].level & 0x0040) == 0) )
-					saa->noise[ch].level = (saa->noise[ch].level << 1) | 1;
-				else
-					saa->noise[ch].level <<= 1;
-			}
-		}
-		/* write sound data to the buffer */
-		buffer[j*2] += output_l / 6;
-		buffer[j*2+1] += output_r / 6;
-	}
-}
-
-void CMSEmulator::portWriteIntern(int chip, int offset, int data) {
-	SAA1099 *saa = &_saa1099[chip];
-	int reg = saa->selected_reg;
-	int ch;
-
-	switch (reg) {
-	/* channel i amplitude */
-	case 0x00:
-	case 0x01:
-	case 0x02:
-	case 0x03:
-	case 0x04:
-	case 0x05:
-		ch = reg & 7;
-		saa->channels[ch].amplitude[LEFT] = amplitude_lookup[data & 0x0f];
-		saa->channels[ch].amplitude[RIGHT] = amplitude_lookup[(data >> 4) & 0x0f];
-		break;
-
-	/* channel i frequency */
-	case 0x08:
-	case 0x09:
-	case 0x0a:
-	case 0x0b:
-	case 0x0c:
-	case 0x0d:
-		ch = reg & 7;
-		saa->channels[ch].frequency = data & 0xff;
-		break;
-
-	/* channel i octave */
-	case 0x10:
-	case 0x11:
-	case 0x12:
-		ch = (reg - 0x10) << 1;
-		saa->channels[ch + 0].octave = data & 0x07;
-		saa->channels[ch + 1].octave = (data >> 4) & 0x07;
-		break;
-
-	/* channel i frequency enable */
-	case 0x14:
-		saa->channels[0].freq_enable = data & 0x01;
-		saa->channels[1].freq_enable = data & 0x02;
-		saa->channels[2].freq_enable = data & 0x04;
-		saa->channels[3].freq_enable = data & 0x08;
-		saa->channels[4].freq_enable = data & 0x10;
-		saa->channels[5].freq_enable = data & 0x20;
-		break;
-
-	/* channel i noise enable */
-	case 0x15:
-		saa->channels[0].noise_enable = data & 0x01;
-		saa->channels[1].noise_enable = data & 0x02;
-		saa->channels[2].noise_enable = data & 0x04;
-		saa->channels[3].noise_enable = data & 0x08;
-		saa->channels[4].noise_enable = data & 0x10;
-		saa->channels[5].noise_enable = data & 0x20;
-		break;
-
-	/* noise generators parameters */
-	case 0x16:
-		saa->noise_params[0] = data & 0x03;
-		saa->noise_params[1] = (data >> 4) & 0x03;
-		break;
-
-	/* envelope generators parameters */
-	case 0x18:
-	case 0x19:
-		ch = reg - 0x18;
-		saa->env_reverse_right[ch] = data & 0x01;
-		saa->env_mode[ch] = (data >> 1) & 0x07;
-		saa->env_bits[ch] = data & 0x10;
-		saa->env_clock[ch] = data & 0x20;
-		saa->env_enable[ch] = data & 0x80;
-		/* reset the envelope */
-		saa->env_step[ch] = 0;
-		break;
-
-	/* channels enable & reset generators */
-	case 0x1c:
-		saa->all_ch_enable = data & 0x01;
-		saa->sync_state = data & 0x02;
-		if (data & 0x02) {
-			int i;
-			/* Synch & Reset generators */
-			for (i = 0; i < 6; i++) {
-				saa->channels[i].level = 0;
-				saa->channels[i].counter = 0.0;
-			}
-		}
-		break;
-
-	default:
-		// The CMS allows all registers to be written, so we just output some debug
-		// message here
-		debug(5, "CMS Unknown write to reg %x with %x",reg, data);
-	}
-}
-
-class CMSMusicPlugin : public NullMusicPlugin {
-public:
-	const char *getName() const {
-		return _s("Creative Music System Emulator");
-	}
-
-	const char *getId() const {
-		return "cms";
-	}
-
-	MusicDevices getDevices() const;
-};
-
-MusicDevices CMSMusicPlugin::getDevices() const {
-	MusicDevices devices;
-	devices.push_back(MusicDevice(this, "", MT_CMS));
-	return devices;
-}
-
-//#if PLUGIN_ENABLED_DYNAMIC(CMS)
-	//REGISTER_PLUGIN_DYNAMIC(CMS, PLUGIN_TYPE_MUSIC, CMSMusicPlugin);
-//#else
-	REGISTER_PLUGIN_STATIC(CMS, PLUGIN_TYPE_MUSIC, CMSMusicPlugin);
-//#endif