Oscilloscope is now implemented (OpenAL)

git-svn-id: svn://svn.code.sf.net/p/sc2/code/trunk@376 8092fc87-c524-0410-9efc-e669fe64eaf9

sc2/src/msvc++/UrQuanMasters.dsp

@@ -160,6 +160,10 @@ SOURCE=..\sc2code\libs\graphics\sdl\opengl.h
 # End Source File
 # Begin Source File
 
+SOURCE=..\sc2code\libs\graphics\sdl\oscilloscope.c
+# End Source File
+# Begin Source File
+
 SOURCE=..\sc2code\libs\graphics\sdl\primitives.c
 # End Source File
 # Begin Source File

sc2/src/sc2code/comm.c

@@ -18,16 +18,16 @@
 
 #include <ctype.h>
 #include "libs/graphics/gfx_common.h"
+#include "libs/graphics/drawable.h"
 #include "libs/sound/trackplayer.h"
 #include "starcon.h"
 #include "commglue.h"
 #include "options.h"
 
-void InitOscilloscope (int x, int y, int width, int height,
-		void *f);
+void InitOscilloscope (int x, int y, int width, int height, FRAME_DESC *f);
 void SetSliderImage (void *f);
 void InitSlider (int x, int y, int width, int height,
-		int bwidth, int bheight, void *f);
+	int bwidth, int bheight, void *f);
 void Oscilloscope (int grab_data);
 void Slider (void);
 

sc2/src/sc2code/libs/graphics/sdl/Makeinfo

@@ -1,2 +1,2 @@
 uqm_CFILES="2xsai.c 3do_blt.c 3do_funcs.c 3do_getbody.c dcqueue.c opengl.c
-		primitives.c pure.c rotozoom.c sdl_common.c"
+		primitives.c pure.c rotozoom.c sdl_common.c oscilloscope.c"

sc2/src/sc2code/libs/graphics/sdl/oscilloscope.c

@@ -0,0 +1,120 @@
+/*
+ *  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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+ */
+
+/* By Mika Kolehmainen, 2002-12-08
+ */
+
+
+#include <assert.h>
+#include "sdl_common.h"
+#include "primitives.h"
+#include "libs/sound/trackplayer.h"
+
+static FRAMEPTR scope_frame;
+static int scope_init = 0;
+static SDL_Surface *scope_bg = NULL; // oscilloscope background (lbm/activity.9.png)
+static SDL_Surface *scope_surf = NULL;
+static UBYTE scope_data[RADAR_WIDTH];
+
+
+void
+InitOscilloscope (DWORD x, DWORD y, DWORD width, DWORD height, FRAME_DESC *f)
+{
+	TFB_Image *img = (TFB_Image *)((BYTE *)f + f->DataOffs);
+
+	assert (img->NormalImg->format->BytesPerPixel == 1);
+	assert (img->NormalImg->w == RADAR_WIDTH);
+	assert (img->NormalImg->h == RADAR_HEIGHT);
+
+	if (scope_init == 0)
+	{
+		int i;
+
+		LockMutex (img->mutex);
+		scope_bg = SDL_CreateRGBSurface (SDL_SWSURFACE, img->NormalImg->w, 
+			img->NormalImg->h, 8, 
+			0x000000ff, 0x0000ff00, 0x00ff0000, 0x00000000);
+		scope_surf = SDL_CreateRGBSurface (SDL_SWSURFACE, img->NormalImg->w, 
+			img->NormalImg->h, 8, 
+			0x000000ff, 0x0000ff00, 0x00ff0000, 0x00000000);
+		
+		for (i = 0; i < 256; ++i)
+		{
+			scope_bg->format->palette->colors[i].r = scope_surf->format->palette->colors[i].r = 
+				img->NormalImg->format->palette->colors[i].r;
+			scope_bg->format->palette->colors[i].g = scope_surf->format->palette->colors[i].g = 
+				img->NormalImg->format->palette->colors[i].g;
+			scope_bg->format->palette->colors[i].b = scope_surf->format->palette->colors[i].b = 
+				img->NormalImg->format->palette->colors[i].b;
+		}
+
+		SDL_BlitSurface (img->NormalImg, NULL, scope_bg, NULL);
+		UnlockMutex (img->mutex);
+		scope_init = 1;
+	}
+
+	scope_frame = f;
+	
+}
+
+void
+UninitOscilloscope (void)
+{
+	if (scope_bg)
+	{
+		SDL_FreeSurface (scope_bg);
+		scope_bg = NULL;
+	}
+	if (scope_surf)
+	{
+		SDL_FreeSurface (scope_surf);
+		scope_surf = NULL;
+	}
+}
+
+// draws the oscilloscope
+void
+Oscilloscope (DWORD grab_data)
+{
+	int i;
+	TFB_Image *img;
+	STAMP s;
+	
+	if (!grab_data)
+		return;
+
+	SDL_BlitSurface (scope_bg, NULL, scope_surf, NULL);
+	if (GetSoundData (scope_data))
+	{
+		PutPixelFn scope_plot = putpixel_for (scope_surf);
+
+		SDL_LockSurface (scope_surf);
+		for (i = 0; i < RADAR_WIDTH - 1; ++i)
+		{
+			line (i, scope_data[i], i + 1, scope_data[i + 1], 238, scope_plot, scope_surf);
+		}
+		SDL_UnlockSurface (scope_surf);
+	}
+
+	img = (TFB_Image *)((BYTE *)scope_frame + scope_frame->DataOffs);	
+	LockMutex (img->mutex);
+	SDL_BlitSurface (scope_surf, NULL, img->NormalImg, NULL);
+	UnlockMutex (img->mutex);
+
+	s.frame = scope_frame;
+	s.origin.x = s.origin.y = 0;
+	DrawStamp (&s);
+}

sc2/src/sc2code/libs/sound/openal/music.c

@@ -33,7 +33,7 @@ PLRPlaySong (MUSIC_REF MusicRef, BOOLEAN Continuous, BYTE Priority)
 	if (pmus)
 	{
 		LockMutex (soundSource[MUSIC_SOURCE].stream_mutex);
-		PlayStream ((*pmus), MUSIC_SOURCE, Continuous);
+		PlayStream ((*pmus), MUSIC_SOURCE, Continuous, AL_FALSE);
 		UnlockMutex (soundSource[MUSIC_SOURCE].stream_mutex);
 		
 		curMusicRef = MusicRef;
@@ -194,6 +194,7 @@ _ReleaseMusicData (MEM_HANDLE handle)
 
 	if ((*pmus)->decoder)
 	{
+		TFB_SoundDecoder *decoder = (*pmus)->decoder;
 		LockMutex (soundSource[MUSIC_SOURCE].stream_mutex);
 		if (soundSource[MUSIC_SOURCE].sample == (*pmus))
 		{
@@ -201,7 +202,8 @@ _ReleaseMusicData (MEM_HANDLE handle)
 		}
 		UnlockMutex (soundSource[MUSIC_SOURCE].stream_mutex);
 
-		SoundDecoder_Free ((*pmus)->decoder);
+		(*pmus)->decoder = NULL;
+		SoundDecoder_Free (decoder);
 		alDeleteBuffers ((*pmus)->num_buffers, (*pmus)->buffer);
 		HFree ((*pmus)->buffer);
 	}

sc2/src/sc2code/libs/sound/openal/sound.c

@@ -87,6 +87,10 @@ TFB_InitSound (int driver, int flags)
 		soundSource[i].sample = NULL;
 		soundSource[i].stream_should_be_playing = FALSE;
 		soundSource[i].stream_mutex = CreateMutex ();
+		soundSource[i].sbuffer = NULL;
+		soundSource[i].sbuf_start = 0;
+		soundSource[i].sbuf_size = 0;
+		soundSource[i].total_decoded = 0;
 	}
 	
 	SetSFXVolume (sfxVolumeScale);
@@ -105,7 +109,25 @@ TFB_InitSound (int driver, int flags)
 void
 TFB_UninitSound (void)
 {
+	int i;
+
 	ConcludeTask (StreamDecoderTask);
+
+	for (i = 0; i < NUM_SOUNDSOURCES; ++i)
+	{
+		if (soundSource[i].sample && soundSource[i].sample->decoder)
+		{
+			StopStream (i);
+		}
+		if (soundSource[i].sbuffer)
+		{
+			void *sbuffer = soundSource[i].sbuffer;
+			soundSource[i].sbuffer = NULL;
+			HFree (sbuffer);
+		}
+		DestroyMutex (soundSource[i].stream_mutex);
+	}
+
 	alcMakeContextCurrent (NULL);
 	alcDestroyContext (alcContext);
 	alcContext = NULL;
@@ -132,8 +154,10 @@ SoundPlaying (void)
 	int i;
 
 	for (i = 0; i < NUM_SOUNDSOURCES; ++i)
-	{		
-		if (soundSource[i].sample && soundSource[i].sample->decoder)
+	{
+		TFB_SoundSample *sample;
+		sample = soundSource[i].sample;
+		if (sample && sample->decoder)
 		{
 			BOOLEAN result;
 			LockMutex (soundSource[i].stream_mutex);

sc2/src/sc2code/libs/sound/openal/sound.h

@@ -56,6 +56,12 @@ typedef struct tfb_soundsource
 	BOOLEAN stream_should_be_playing;
 	Mutex stream_mutex;
 	ALuint start_time;
+
+	// for oscilloscope
+	void *sbuffer; 
+	ALuint sbuf_start;
+	ALuint sbuf_size;
+	ALuint total_decoded;
 } TFB_SoundSource;
 
 

sc2/src/sc2code/libs/sound/openal/stream.c

@@ -19,6 +19,7 @@
 
 #ifdef SOUNDMODULE_OPENAL
 
+#include <assert.h>
 #include "sound.h"
 
 #if !defined (WIN32) // && !defined (MacOS and BeOS too)
@@ -29,21 +30,24 @@ BOOLEAN speech_advancetrack = FALSE;
 
 
 void
-PlayStream (TFB_SoundSample *sample, ALuint source, ALboolean looping)
+PlayStream (TFB_SoundSample *sample, ALuint source, ALboolean looping, ALboolean scope)
 {	
-	ALuint i;
+	ALuint i, pos = 0;
 
 	if (!sample)
 		return;
 
 	StopStream (source);
-
 	SoundDecoder_Rewind (sample->decoder);
 	soundSource[source].sample = sample;
 	soundSource[source].sample->decoder->looping = looping;
-
 	alSourcei (soundSource[source].handle, AL_LOOPING, AL_FALSE);
 
+	if (scope)
+	{
+		soundSource[source].sbuffer = HMalloc (sample->num_buffers * sample->decoder->buffer_size);
+	}
+
 	for (i = 0; i < sample->num_buffers; ++i)
 	{
 		ALuint decoded_bytes;
@@ -75,10 +79,19 @@ PlayStream (TFB_SoundSample *sample, ALuint source, ALboolean looping)
 		
 		alSourceQueueBuffers (soundSource[source].handle, 1, &sample->buffer[i]);
 
+		if (scope)
+		{
+			UBYTE *p = (UBYTE *)soundSource[source].sbuffer;
+			assert (pos + decoded_bytes <= sample->num_buffers * sample->decoder->buffer_size);
+			memcpy (&p[pos], sample->decoder->buffer, decoded_bytes);
+			pos += decoded_bytes;
+		}
+
 		if (sample->decoder->error)
 			break;
 	}
-
+	
+	soundSource[source].sbuf_size = pos;
 	soundSource[source].start_time = GetTimeCounter ();
 	soundSource[source].stream_should_be_playing = TRUE;
 	alSourcePlay (soundSource[source].handle);
@@ -92,6 +105,17 @@ StopStream (ALuint source)
 
 	soundSource[source].stream_should_be_playing = FALSE;
 	soundSource[source].sample = NULL;
+
+	if (soundSource[source].sbuffer)
+	{
+		void *sbuffer = soundSource[source].sbuffer;
+		soundSource[source].sbuffer = NULL;
+		HFree (sbuffer);
+	}
+	soundSource[source].sbuf_start = 0;
+	soundSource[source].sbuf_size = 0;
+	soundSource[source].total_decoded = 0;
+
 	alSourceStop (soundSource[source].handle);
 	alGetSourcei (soundSource[source].handle, AL_BUFFERS_PROCESSED, &processed);
 	alGetSourcei (soundSource[source].handle, AL_BUFFERS_QUEUED, &queued);
@@ -109,7 +133,7 @@ StopStream (ALuint source)
 void
 PauseStream (ALuint source)
 {
-	soundSource[source].start_time = GetTimeCounter () - soundSource[source].start_time;
+	// TODO: how to handle start_time
 	soundSource[source].stream_should_be_playing = FALSE;
 	alSourcePause (soundSource[source].handle);
 }
@@ -117,7 +141,7 @@ PauseStream (ALuint source)
 void
 ResumeStream (ALuint source)
 {
-	soundSource[source].start_time = GetTimeCounter () - soundSource[source].start_time;
+	// TODO: how to handle start_time
 	soundSource[source].stream_should_be_playing = TRUE;
 	alSourcePlay (soundSource[source].handle);
 }
@@ -197,6 +221,9 @@ StreamDecoderTaskFunc (void *data)
 					fprintf (stderr, "StreamDecoderTaskFunc(): OpenAL error after alSourceUnqueueBuffers: %x, file %s, source %d\n", error, soundSource[i].sample->decoder->filename, i);
 					break;
 				}
+
+				soundSource[i].total_decoded += soundSource[i].sample->decoder->buffer_size;
+
 				if (soundSource[i].sample->decoder->error)
 				{
 					if (soundSource[i].sample->decoder->error == SOUNDDECODER_EOF)
@@ -252,6 +279,42 @@ StreamDecoderTaskFunc (void *data)
 					else
 					{
 						alSourceQueueBuffers (soundSource[i].handle, 1, &buffer);
+						
+						if (soundSource[i].sbuffer)
+						{
+							// copies decoded data to oscilloscope buffer
+
+							ALuint j, remaining_bytes = 0;
+							UBYTE *sbuffer = (UBYTE *) soundSource[i].sbuffer;
+							UBYTE *decoder_buffer = (UBYTE *) soundSource[i].sample->decoder->buffer;
+														
+							if (soundSource[i].sbuf_start + decoded_bytes > soundSource[i].sbuf_size)
+							{
+								j = soundSource[i].sbuf_size;
+								remaining_bytes = decoded_bytes - (j - soundSource[i].sbuf_start);
+							}
+							else
+							{
+								j = soundSource[i].sbuf_start + decoded_bytes;
+							}
+							
+							if (j - soundSource[i].sbuf_start >= 1)
+							{
+								//fprintf (stderr, "copying_a to %d - %d, %d bytes\n", soundSource[i].sbuf_start, j, j - soundSource[i].sbuf_start);
+								memcpy (&sbuffer[soundSource[i].sbuf_start], decoder_buffer, j - soundSource[i].sbuf_start);
+							}
+
+							if (remaining_bytes)
+							{
+								//fprintf (stderr, "copying_b to 0 - %d\n", remaining_bytes);
+								memcpy (sbuffer, &decoder_buffer[j - soundSource[i].sbuf_start], remaining_bytes);
+								soundSource[i].sbuf_start = remaining_bytes;
+							}
+							else
+							{
+								soundSource[i].sbuf_start += decoded_bytes;
+							}
+						}
 
 						if ((error = alGetError()) != AL_NO_ERROR)
 						{

sc2/src/sc2code/libs/sound/openal/stream.h

@@ -20,7 +20,7 @@
 #ifndef STREAM_H
 #define STREAM_H
 
-void PlayStream (TFB_SoundSample *sample, ALuint source, ALboolean looping);
+void PlayStream (TFB_SoundSample *sample, ALuint source, ALboolean looping, ALboolean scope);
 void StopStream (ALuint source);
 void PauseStream (ALuint source);
 void ResumeStream (ALuint source);

sc2/src/sc2code/libs/sound/openal/trackplayer.c

@@ -19,6 +19,7 @@
 
 #ifdef SOUNDMODULE_OPENAL
 
+#include <assert.h>
 #include "sound.h"
 #include "libs/sound/trackplayer.h"
 
@@ -64,7 +65,7 @@ advance_track (int channel_finished)
 		if (tcur < tct)
 		{
 			LockMutex (soundSource[SPEECH_SOURCE].stream_mutex);
-			PlayStream (track_clip[tcur].sample, SPEECH_SOURCE, FALSE);
+			PlayStream (track_clip[tcur].sample, SPEECH_SOURCE, FALSE, TRUE);
 			UnlockMutex (soundSource[SPEECH_SOURCE].stream_mutex);
 			do_subtitles (0);
 		}
@@ -151,14 +152,19 @@ StopTrack ()
 		}
 		if (track_clip[tct].sample)
 		{
-			if (track_clip[tct].sample->decoder)
+			TFB_SoundSample *sample = track_clip[tct].sample;
+			track_clip[tct].sample = NULL;
+			if (sample->decoder)
 			{
-				SoundDecoder_Free (track_clip[tct].sample->decoder);
-				alDeleteBuffers (track_clip[tct].sample->num_buffers, track_clip[tct].sample->buffer);
-				HFree (track_clip[tct].sample->buffer);
+				TFB_SoundDecoder *decoder = sample->decoder;
+				ALuint *buffer = sample->buffer;
+				sample->decoder = NULL;
+				sample->buffer = NULL;
+				SoundDecoder_Free (decoder);
+				alDeleteBuffers (sample->num_buffers, buffer);
+				HFree (buffer);
 			}
-			HFree (track_clip[tct].sample);
-			track_clip[tct].sample = 0;
+			HFree (sample);
 		}
 	}
 	tct = tcur = 0;
@@ -252,14 +258,73 @@ FastForward ()
 	//no_voice = 0;
 }
 
+// processes sound data to oscilloscope
 int
-GetSoundData (char* data) 
-		// Returns the data size. Only used in oscill.c
+GetSoundData (void *data) 
 {
-	//fprintf (stderr, "Unimplemented function activated: GetSoundData()\n");
+	LockMutex (soundSource[SPEECH_SOURCE].stream_mutex);
+
+	if (soundSource[SPEECH_SOURCE].sample && soundSource[SPEECH_SOURCE].sample->decoder &&
+		PlayingStream (SPEECH_SOURCE) && soundSource[SPEECH_SOURCE].sbuffer)
+	{
+		float played_time = (GetTimeCounter () - soundSource[SPEECH_SOURCE].start_time) / 
+			(float)ONE_SECOND;
+		int played_data = (int) (played_time * (float)soundSource[SPEECH_SOURCE].
+			sample->decoder->frequency * 2.0f);
+		int delta = played_data - soundSource[SPEECH_SOURCE].total_decoded;
+		unsigned int pos, i;
+		UBYTE *scopedata = (UBYTE *) data;
+		UBYTE *sbuffer = soundSource[SPEECH_SOURCE].sbuffer;
+
+		assert (soundSource[SPEECH_SOURCE].sample->decoder->frequency == 11025);
+		assert (soundSource[SPEECH_SOURCE].sample->decoder->format == AL_FORMAT_MONO16);
+
+		if (delta < 0)
+		{
+			//fprintf (stderr, "GetSoundData(): something's messed with timing, delta %d\n", delta);
+			delta = 0;
+		}
+		
+		//fprintf (stderr, "played_data %d total_decoded %d delta %d\n", played_data, soundSource[SPEECH_SOURCE].total_decoded, delta);
+
+		pos = soundSource[SPEECH_SOURCE].sbuf_start + delta;
+		if (pos % 2 == 1)
+			pos++;
+
+		assert (pos >= 0);
+
+		for (i = 0; i < RADAR_WIDTH; ++i)
+		{
+			SWORD s;
+			
+			for (;;)
+			{
+				if (pos >= soundSource[SPEECH_SOURCE].sbuf_size)
+					pos = pos - soundSource[SPEECH_SOURCE].sbuf_size;
+				else
+					break;
+			}
+
+			s = *(SWORD*) (&sbuffer[pos]);
+			s = (s / 1236) + (RADAR_HEIGHT >> 1);
+			if (s < 0)
+				s = 0;
+			else if (s > RADAR_HEIGHT)
+				s = RADAR_HEIGHT;
+			scopedata[i] = (UBYTE) s;
+
+			pos += 2;
+		}
+
+		UnlockMutex (soundSource[SPEECH_SOURCE].stream_mutex);
+		return 1;
+	}
+
+	UnlockMutex (soundSource[SPEECH_SOURCE].stream_mutex);
 	return 0;
 }
 
+// tells current position of streaming speech
 int
 GetSoundInfo (int *length, int *offset)
 {	

sc2/src/sc2code/libs/sound/sdl/sound.c

@@ -121,13 +121,9 @@ SoundPlaying()
 }
 
 int
-GetSoundData(char* data) //Returns the data size.
+GetSoundData (char* data)
 {
-	int ret;
-
-	fprintf (stderr, "Unimplemented function activated: GetSoundData()\n");
-	ret = 0;
-	return (ret);
+   return 0;
 }
 
 // Status: Unimplemented

sc2/src/sc2code/libs/sound/trackplayer.h

@@ -27,7 +27,7 @@ void FastForward();
 void FastReverse();
 void StopTrack();
 void SpliceTrack(UNICODE *filespec, UNICODE *textspec);
-int GetSoundData(char *data);
+int GetSoundData (void *data);
 int GetSoundInfo (int *len, int *offs);
 
 #endif

sc2/src/sc2code/oscill.c

@@ -19,156 +19,10 @@
 #include "libs/graphics/gfx_common.h"
 #include "libs/sound/trackplayer.h"
 
-//Added by Chris
-//Modified by Mika (removed use of SDL datatypes)
-
-typedef unsigned char uint8;
-typedef unsigned char uchar;
-typedef signed char sint8;
-typedef unsigned short uint16;
-typedef signed short sint16;
-typedef unsigned int uint32;
-typedef signed int int32;
-typedef signed int sint32;
-
-//End Added by Chris
-
-#define CEL_FLAGS \
-		(CCB_SPABS | CCB_PPABS | CCB_YOXY | CCB_ACW | CCB_ACCW \
-		| CCB_LDSIZE | CCB_CCBPRE | CCB_LDPRS | CCB_LDPPMP | CCB_ACE \
-		| CCB_LCE | CCB_PLUTPOS | CCB_BGND | CCB_NPABS)
-
-#define PIXC_DUP(v) (((v) << PPMP_0_SHIFT) | ((v) << PPMP_1_SHIFT))
-#define PIXC_UNCODED16 (PIXC_DUP (PPMPC_MF_8 | PPMPC_SF_8))
-#define PIXC_CODED8 (PIXC_DUP (PPMPC_MS_PIN | PPMPC_SF_8))
-
-#define NUMBER_OF_PLUTVALS 32
-#define NUMBER_OF_PLUT_UINT32s (NUMBER_OF_PLUTVALS >> 1)
-#define GET_VAR_PLUT(i) (_varPLUTs + (i) * NUMBER_OF_PLUT_UINT32s)
-
-//extern uint32 *_varPLUTs;
-
-#define NUM_THINGS 256
-
-static CCB *plCCB;
-static UBYTE flatline;
-
-void
-//InitOscilloscope (int32 x, int32 y, int32 width, int32 height, FRAME_DESC *f)
-InitOscilloscope (int32 x, int32 y, int32 width, int32 height, void *f)
-{
-#if 0
-	CCB *ccb;
-	int32 xpos, xerr;
-	uint32 *cel_plut;
-	extern CCB *GetCelArray ();
-
-	cel_plut = GET_VAR_PLUT ((f->TypeIndexAndFlags >> 16) & 0xFF);
-
-	plCCB = GetCelArray ();
-
-	memset (plCCB, 0, sizeof (CCB) * (NUM_THINGS + 1));
-
-	ccb = plCCB;
-	ccb->ccb_Flags = CEL_FLAGS | CCB_PACKED | CCB_LDPLUT;
-
-	ccb->ccb_HDX = 1 << 20;
-	ccb->ccb_HDY = 0;
-	ccb->ccb_VDX = 0;
-	ccb->ccb_VDY = 1 << 16;
-
-	ccb->ccb_PIXC = PIXC_CODED8;
-	ccb->ccb_SourcePtr = (void *)((uchar *)f + f->DataOffs);
-	ccb->ccb_PLUTPtr = cel_plut;
-	ccb->ccb_Width = f->Bounds & 0xFFFF;
-	ccb->ccb_Height = (f->Bounds >> 16);
-	ccb->ccb_PRE0 =
-			PRE0_LITERAL |
-			((ccb->ccb_Height - PRE0_VCNT_PREFETCH) << PRE0_VCNT_SHIFT) |
-			(PRE0_BPP_8 << PRE0_BPP_SHIFT);
-	ccb->ccb_NextPtr = ccb + 1;
-	++ccb;
-
-	ccb->ccb_Width = y;
-	ccb->ccb_Height = height >> 1;
-	xpos = x;
-	xerr = NUM_THINGS;
-	do
-	{
-		int32 color;
-			
-		ccb->ccb_XPos = xpos << 16;
-		if ((xerr -= width) <= 0)
-		{
-			++xpos;
-			xerr += NUM_THINGS;
-		}
-		ccb->ccb_HDX = 1 << 20;
-		ccb->ccb_VDY = 1 << 16;
-		
-		ccb->ccb_Flags = CEL_FLAGS;
-		ccb->ccb_PRE0 =
-				(PRE0_BPP_16 << PRE0_BPP_SHIFT) |
-				PRE0_BGND |
-				PRE0_LINEAR;
-		ccb->ccb_PRE1 = PRE1_TLLSB_PDC0;
-		ccb->ccb_PIXC = PIXC_UNCODED16;
-		
-		color = ((16 << 10) | (9 << 5) | 31) | 0x8000;
-		ccb->ccb_PLUTPtr = (void *)((color << 16) | color);
-		ccb->ccb_SourcePtr = (void *)&ccb->ccb_PLUTPtr;
-			
-		ccb->ccb_NextPtr = ccb + 1;
-	} while (++ccb != &plCCB[NUM_THINGS + 1]);
-#endif
-
-	flatline = 0;
-}
-
-void
-Oscilloscope (int32 grab_data)
-{
-#if 0
-	CCB *ccb;
-	signed char buf[NUM_THINGS * 2], *data;
-	int32 size, ypos, max;
-
-	if (!grab_data
-			|| !(size = GetSoundData (buf)))
-	{
-		if (flatline)
-			return;
-			
-		flatline = 1;
-		memset (buf, 0, sizeof (buf));
-	}
-	else
-		flatline = 0;
-
-	ccb = plCCB + 1;
-	max = ccb->ccb_Height;
-	ypos = ccb->ccb_Width + max;
-	data = buf;
-	do
-	{
-		ccb->ccb_YPos = (ypos + ((*data * max) >> 7)) << 16;
-#ifndef READ_SAMPLE_DIRECTLY
-		data += 2;
-#else
-		data++;
-#endif
-	} while (++ccb != &plCCB[NUM_THINGS + 1]);
-
-	add_cels (plCCB, ccb - 1);
-//    ClearDrawable ();
-	
-	FlushGraphics (TRUE);
-#endif
-}
-
 static STAMP sliderStamp;
 static STAMP buttonStamp;
-int32 sliderSpace;  // slider width - button width
+int sliderSpace;  // slider width - button width
+
 
 /*
  * Initialise the communication progress bar
@@ -180,9 +34,10 @@ int32 sliderSpace;  // slider width - button width
  * bheight - height of button indicating progress
  * f - image for the slider
  */                        
+
 void
-InitSlider (int32 x, int32 y, int32 width, int32 height,
-		int32 bwidth, int32 bheight, FRAME f)
+InitSlider (int x, int y, int width, int height,
+		int bwidth, int bheight, FRAME f)
 {
 	sliderStamp.origin.x = x;
 	sliderStamp.origin.y = y;
@@ -201,7 +56,7 @@ SetSliderImage (FRAME f)
 void
 Slider (void)
 {
-	int32 len, offs;
+	int len, offs;
 	
 	if (GetSoundInfo (&len, &offs))
 	{