Update src/main.cpp

CMakeLists.txt

@@ -3,6 +3,7 @@ project(trakker)
 SET(CMAKE_CXX_STANDARD 17)
 SET(CMAKE_CXX_STANDARD_REQUIRED True)
 SET(CMAKE_CXX_FLAGS "-O3")
+SET(CMAKE_RUNTIME_OUTPUT_DIRECTORY ${CMAKE_BINARY_DIR})
 include_directories(${CMAKE_BINARY_DIR})
 find_package(Git)
 find_package(ALSA REQUIRED)

aur/PKGBUILD

@@ -1,7 +1,7 @@
 # Maintainer: Nick G. <wirlaburla@worlio.com>
 
 pkgname=trakker-git
-pkgver=0.5.1
+pkgver=0.5.2.r3.gf97e506
 pkgrel=1
 pkgdesc='A terminal-based tracker interface for libxmp.'
 arch=('x86_64')

src/main.cpp

@@ -12,17 +12,16 @@
 #include "trakker.h"
 #include "trakker_version.h"
 
-#define SAMPLERATE 48000
-#define BUFFER_SIZE 250000
-
 static std::string note_name[] = { "C ", "C#", "D ", "D#", "E ", "F ", "F#", "G ", "G#", "A ", "A#", "B " };
-static std::string pages[] = { "1. Info", "2. Pattern", "3. Bars", "4. Piano Roll", "5. Config", "6. Help" };
-static char* device = "default";
+static std::string pages[] = { "1. Info", "2. Pattern", "3. Scope", "4. Piano Roll", "5. Config", "6. Help" };
+static const char* device = "default";
 
+snd_pcm_hw_params_t *hwparams;
 char* file;
 bool colorMode = 0; // 0 - Auto, 1 - Monochrome, 2 - 8-bit, 3 - Full
 int mtype = XMP_MODE_AUTO;
 int smix = 70;
+int srate = 48000;
 int display = 0;
 int mode = 0;
 int vol;
@@ -38,6 +37,7 @@ bool loop;
 bool ptnChans = true;
 bool dynamicRoll = true;
 bool ptnOrder = true;
+bool showEffects = false;
 std::map<int, char> efxtable;
 std::map<int, bool> efxmemtable;
 
@@ -48,13 +48,15 @@ int main(int argc, char *argv[]) {
 			printf("\n");
 			printf("Help\n");
 			printf("-h                Show this message.\n");
-			printf("-d <num>          Start on the specified panel.\n");
 			printf("-c <num>          Force terminal color mode.\n");
 			printf("  0                 Auto (default)\n");
 			printf("  1                 Monochrome\n");
 			printf("  2                 8bit\n");
 			printf("  3                 Full\n");
+			printf("-d <num>          Start on the specified panel.\n");
+			printf("-o <num>          Toggle player options\n");
 			printf("-s <num>          Stereo Seperation\n");
+			printf("-r <num>          Sample rate (default 48000)\n");
 			exit(0);
 		} else if (strcmp(argv[a], "-d") == 0) {
 			int newdisplay = atoi(argv[a+1])-1;
@@ -68,6 +70,22 @@ int main(int argc, char *argv[]) {
 		} else if (strcmp(argv[a], "-c") == 0) {
 			colorMode = atoi(argv[a+1]);
 			a++;
+		} else if (strcmp(argv[a], "-o") == 0) {
+			switch (atoi(argv[a+1])) {
+				case 1:
+					ptnChans = !ptnChans;
+					break;
+				case 2:
+					dynamicRoll = !dynamicRoll;
+					break;
+				case 3:
+					ptnOrder = !ptnOrder;
+					break;
+				case 4:
+					showEffects = !showEffects;
+					break;
+			}
+			a++;
 		} else if (strcmp(argv[a], "-s") == 0) {
 			int newmix = atoi(argv[a+1]);
 			if (newmix > 100 || newmix < 0)
@@ -101,6 +119,15 @@ int main(int argc, char *argv[]) {
 				mtype = XMP_MODE_ITSMP;
 			}
 			a++;
+		} else if (strcmp(argv[a], "-r") == 0) {
+			int newrate = atoi(argv[a+1]);
+			if (newrate > 192000 || newrate < 48000)
+				fprintf(stderr, "Sample rate argument is invalid.\n");
+			else {
+				printf("Setting sample rate to %dkHz\n", newrate/1000);
+				srate = newrate;
+			}
+			a++;
 		} else if (!file) {
 			file = argv[a];
 		} else {
@@ -110,13 +137,42 @@ int main(int argc, char *argv[]) {
 	}
 	
 	int err;
-	if ((err = snd_pcm_open(&handle, device, SND_PCM_STREAM_PLAYBACK, 0)) < 0) {
-		fprintf(stderr, "Playback open error: %s\n", snd_strerror(err));
-		exit(EXIT_FAILURE);
+	unsigned int chan, rate;
+	unsigned int btime = 250000;	/* 250ms */
+	unsigned int ptime = 50000;	/* 50ms */
+	char *card_name = "default";
+
+	if ((err = snd_pcm_open(&handle, card_name,
+		SND_PCM_STREAM_PLAYBACK, 0)) < 0) {
+		fprintf(stderr, "Unable to initialize ALSA pcm device: %s\n",
+					snd_strerror(err));
+		return -1;
 	}
-	if ((err = snd_pcm_set_params(handle, SND_PCM_FORMAT_S16, SND_PCM_ACCESS_RW_INTERLEAVED, 2, SAMPLERATE, 1, BUFFER_SIZE)) < 0) {
-		fprintf(stderr, "Playback open error: %s\n", snd_strerror(err));
-		exit(EXIT_FAILURE);
+	
+	chan = 2;
+	rate = 48000;
+
+	snd_pcm_hw_params_alloca(&hwparams);
+	snd_pcm_hw_params_any(handle, hwparams);
+	snd_pcm_hw_params_set_access(handle, hwparams,
+				SND_PCM_ACCESS_RW_INTERLEAVED);
+	snd_pcm_hw_params_set_format(handle, hwparams, SND_PCM_FORMAT_S16);
+	snd_pcm_hw_params_set_rate_near(handle, hwparams, &rate, 0);
+	snd_pcm_hw_params_set_channels_near(handle, hwparams, &chan);
+	snd_pcm_hw_params_set_buffer_time_near(handle, hwparams, &btime, 0);
+	snd_pcm_hw_params_set_period_time_near(handle, hwparams, &ptime, 0);
+	snd_pcm_nonblock(handle, 0);
+	
+	if ((err = snd_pcm_hw_params(handle, hwparams)) < 0) {
+		fprintf(stderr, "Unable to set ALSA output parameters: %s\n",
+					snd_strerror(err));
+		return -1;
+	}
+
+	if ((err = snd_pcm_prepare(handle)) < 0) {
+		fprintf(stderr, "Unable to prepare ALSA: %s\n",
+					snd_strerror(err));
+		return -1;
 	}
 	printf("%s initialized.\n", "ALSA");
 	
@@ -232,17 +288,21 @@ int main(int argc, char *argv[]) {
 	row = pos = -1;
 	generateEffectsTable(xmi.mod->type);
 	xmp_set_player(xc, XMP_PLAYER_MODE, mtype);
-	xmp_start_player(xc, SAMPLERATE, 0);
+	if ((err = xmp_start_player(xc, 48000, 0)) != 0) {
+		if ((err = xmp_start_player(xc, 44100, 0)) != 0) {
+			fprintf(stderr, "Failed to start player: %d\n", err);
+			exit(EXIT_FAILURE);
+		}
+	}
 	xmp_set_player(xc, XMP_PLAYER_MIX, smix);
 	
 	int key;
 	bool displayChanged;
 	displayChanged = true;
-	while (true) {
+	while (xmp_play_frame(xc) == 0) {
 		xmp_get_frame_info(xc, &xfi);
-		if (xmp_play_frame(xc) != 0 && !stopped) break;
-		if (xfi.loop_count > looped && !loop) break;
-		else looped = xfi.loop_count;
+ 		if (xfi.loop_count > looped && !loop) break;
+ 		else looped = xfi.loop_count;
 			
 		keys:
 		timeout(stopped?-1:0);
@@ -331,6 +391,9 @@ int main(int argc, char *argv[]) {
 							case '3':
 								ptnOrder = !ptnOrder;
 								break;
+							case '4':
+								showEffects = !showEffects;
+								break;
 						}
 					}
 					break;
@@ -437,7 +500,7 @@ void displayHeader(xmp_module_info *mi, xmp_frame_info *fi) {
 	} else if (display == 1) {
 		displayPatterns(mi, fi);
 	} else if (display == 2) {
-		displayVolumes(mi, fi);
+		displayScope(mi, fi);
 	} else if (display == 3) {
 		displayNoteRoll(mi, fi);
 	} else if (display == 4) {
@@ -472,7 +535,7 @@ void displayInfo(xmp_module_info *mi, xmp_frame_info *fi) {
 }
 
 void displayPatterns(xmp_module_info *mi, xmp_frame_info *fi) {
-	int chnsize = 15;
+	int chnsize = showEffects?15:11;
 	if (ptnOrder) {
 		for (int j = 0; j < mi->mod->len; j++) {
 			if (mi->mod->xxo[j] == 0xFF) continue;
@@ -503,12 +566,14 @@ void displayPatterns(xmp_module_info *mi, xmp_frame_info *fi) {
 				if (voll >= 16) wattron(dis, vollo);
 				mvwaddch(dis, 0, (cxpos++)-hOffset, ' ');
 				wattroff(dis, vollo);
-				if (voll >= 8) wattron(dis, vollo);
-				mvwaddch(dis, 0, (cxpos++)-hOffset, ' ');
-				wattroff(dis, vollo);
-				if (voll > 0) wattron(dis, vollo);
-				mvwaddch(dis, 0, (cxpos++)-hOffset, ' ');
-				wattroff(dis, vollo);
+				if (showEffects) {
+					if (voll >= 8) wattron(dis, vollo);
+					mvwaddch(dis, 0, (cxpos++)-hOffset, ' ');
+					wattroff(dis, vollo);
+					if (voll > 0) wattron(dis, vollo);
+					mvwaddch(dis, 0, (cxpos++)-hOffset, ' ');
+					wattroff(dis, vollo);
+				}
 				
 				wattron(dis, chnvw);
 				mvwaddch(dis, 0, (cxpos++)-hOffset, ' ');
@@ -521,12 +586,14 @@ void displayPatterns(xmp_module_info *mi, xmp_frame_info *fi) {
 				wattroff(dis, chnvw);
 				
 				int volr = (cinfo.volume * cinfo.pan/256);
-				if (volr > 0) wattron(dis, vollo);
-				mvwaddch(dis, 0, (cxpos++)-hOffset, ' ');
-				wattroff(dis, vollo);
-				if (volr >= 8) wattron(dis, vollo);
-				mvwaddch(dis, 0, (cxpos++)-hOffset, ' ');
-				wattroff(dis, vollo);
+				if (showEffects) {
+					if (volr > 0) wattron(dis, vollo);
+					mvwaddch(dis, 0, (cxpos++)-hOffset, ' ');
+					wattroff(dis, vollo);
+					if (volr >= 8) wattron(dis, vollo);
+					mvwaddch(dis, 0, (cxpos++)-hOffset, ' ');
+					wattroff(dis, vollo);
+				}
 				if (volr >= 16) wattron(dis, vollo);
 				mvwaddch(dis, 0, (cxpos++)-hOffset, ' ');
 				wattroff(dis, vollo);
@@ -579,11 +646,13 @@ void displayPatterns(xmp_module_info *mi, xmp_frame_info *fi) {
 			else if (event.note > 0 && event.note <= 0x80)
 				snprintf(vol, 4, "v40");
 			else snprintf(vol, 4, "...");
-				
-			char f1;
-			if ((efxmemtable[event.fxt] || event.fxp != 0) && (f1 = efxtable[event.fxt]) != NULL) snprintf(efx, 4, "%c%02X", f1, event.fxp);
-			else snprintf(efx, 4, "...");
-			sprintf(lnbuf, "|%s %s %s %s", note, ins, vol, efx);
+			
+			if (showEffects) {
+				char f1;
+				if ((efxmemtable[event.fxt] || event.fxp != 0) && (f1 = efxtable[event.fxt])) snprintf(efx, 4, "%c%02X", f1, event.fxp);
+				else snprintf(efx, 4, "...");
+				sprintf(lnbuf, "|%s %s %s %s", note, ins, vol, efx);
+			} else sprintf(lnbuf, "|%s %s %s", note, ins, vol);
 			for (int z = 0; z < chnsize; z++) {
 				if (((i*chnsize)+2+z)-hOffset < 2) continue;
 				mvwaddch(dis, y, ((i*chnsize)+2+z)-hOffset, lnbuf[z]);
@@ -599,21 +668,50 @@ void displayPatterns(xmp_module_info *mi, xmp_frame_info *fi) {
 	}
 }
 
-void displayVolumes(xmp_module_info *mi, xmp_frame_info *fi) {
-	int chns = mi->mod->chn;
-	chtype no_pair = COLOR_PAIR(5);
-	for (int y = vOffset; y < chns; y++) {
-		if (y > (LINES - 4)+vOffset || y < 0) continue;
-		struct xmp_channel_info cinfo = fi->channel_info[y];
-		if (y > (LINES - 3)+vOffset) break;
-		wmove(dis, y-vOffset, 0);
-		int cvol = (cinfo.volume * (COLS - 5)) / (64 * (vol / 100));
-		wattron(dis, no_pair);
-		wprintw(dis, "%02X", y);
-		wattroff(dis, no_pair);
-		for (int c = 0; c < COLS - 5; c++) {
-			if (c < cvol) waddstr(dis, "#");
-			else waddstr(dis, " ");
+int lerp (int a, int b, float f) {
+	return a + f * (b - a);
+}
+
+#include <vector>
+std::vector<int> bufbufmin;
+std::vector<int> bufbufmax;
+void displayScope(xmp_module_info *mi, xmp_frame_info *fi) {
+	const char* xbuf = (char*)fi->buffer;
+	int percol = (fi->buffer_size/(COLS-2));
+	bufbufmin.resize(COLS-2);
+	bufbufmax.resize(COLS-2);
+	
+	for (int s = 0; s < COLS-2; s++) {
+		int min = 0;
+		int max = 0;
+		for (int v = 0; v < percol; v++) {
+			int val = xbuf[(s*percol)+v];
+			if (val > max || max == 0) max = val;
+			if (val < min || min == 0) min = val;
+		}
+// 		if (ln >= 0xFF) ln = 0xFF;
+// 		else if (ln <= -0xFF) ln = -0xFF;
+		bufbufmin[s] = (lerp(min, bufbufmin[s-1], 0.2f) / percol)*2;
+		bufbufmax[s] = (lerp(max, bufbufmax[s-1], 0.2f) / percol)*2;
+	}
+	wmove(dis, 0, 0);
+	for (int t = 0; t < COLS-2; t++) {
+		int n = bufbufmin[t];
+		int x = bufbufmax[t];
+		//(1.0*(bufbufmax[t]+0xFF)/512)*(LINES-4)
+		
+		for (int h = n; h <= x; h++) {
+			if (h >= (LINES-4) || h <= -(LINES-4)) continue;
+			wmove(dis, ((LINES-4)/2)+(1.0*h), t);
+			chtype pixpair = COLOR_PAIR(11);
+			if (h == n) 
+				pixpair = COLOR_PAIR(12);
+			else if (h == x) 
+				pixpair = COLOR_PAIR(10);
+			
+			wattron(dis, pixpair);
+			waddch(dis, ' ');
+			wattroff(dis, pixpair);
 		}
 	}
 }
@@ -622,12 +720,12 @@ void displayNoteRoll(xmp_module_info *mi, xmp_frame_info *fi) {
 	int ins = mi->mod->ins;
 	chtype no_pair = COLOR_PAIR(5);
 	if (dynamicRoll) {
-		for (int l = 0; l < (96/12); l++) {
+		for (int l = 1; l <= 8; l++) {
 			int cnote = (l*12);
-			if (cnote < prMin && l == (prMin / 12)) {
+			if (cnote <= prMin && l == (prMin / 12)) {
 				wmove(dis, 0, 0);
 				wprintw(dis, "<%i", l);
-			} else if (cnote <= prMax && cnote >= prMin) {
+			} else if (cnote < prMax && cnote > prMin) {
 				wmove(dis, 0, (((cnote - prMin) * (COLS - 5)) / (prMax - prMin))+3);
 				wprintw(dis, "%i", l);
 			}
@@ -635,8 +733,8 @@ void displayNoteRoll(xmp_module_info *mi, xmp_frame_info *fi) {
 	}
 	for (int y = vOffset; y < ins; y++) {
 		if (!dynamicRoll) { prMin = 0; prMax = 144; }
-		if (y > (LINES - 5)+vOffset || y < 0) continue;
-		wmove(dis, (y-vOffset)+1, 0);
+		if (y > (LINES - (5+dynamicRoll))+vOffset || y < 0) continue;
+		wmove(dis, (y-vOffset)+dynamicRoll, 0);
 		wattron(dis, no_pair);
 		wprintw(dis, "%02X", y+1);
 		wattroff(dis, no_pair);
@@ -654,12 +752,12 @@ void displayNoteRoll(xmp_module_info *mi, xmp_frame_info *fi) {
 			int note = ((cinfo.note - prMin) * (COLS - 5)) / (dynamicRoll?(prMax - prMin):96);
 			if (cinfo.instrument != y) continue;
 			
-			wmove(dis, (y-vOffset)+1, note+3);
+			wmove(dis, (y-vOffset)+dynamicRoll, note+3);
 			if (cinfo.volume >= 32) 
 				waddstr(dis, "#");
-			else if (cinfo.volume >= 16 && (char)mvwinch(dis, (y-vOffset)+1, note+3) != '#') 
+			else if (cinfo.volume >= 16 && (char)mvwinch(dis, (y-vOffset)+dynamicRoll, note+3) != '#') 
 				waddstr(dis, "=");
-			else if (cinfo.volume > 0 && ((char)mvwinch(dis, (y-vOffset)+1, note+3) != '-' || (char)mvwinch(dis, (y-vOffset)+1, note+3) != '#')) 
+			else if (cinfo.volume > 0 && ((char)mvwinch(dis, (y-vOffset)+dynamicRoll, note+3) != '-' || (char)mvwinch(dis, (y-vOffset)+dynamicRoll, note+3) != '#')) 
 				waddstr(dis, "-");
 		}
 		wmove(dis, y, COLS-4);
@@ -675,6 +773,7 @@ void displayPlayer() {
 	mvwaddstr(dis, 5-vOffset, 1, "1. Pattern Channels");
 	mvwaddstr(dis, 6-vOffset, 1, "2. Dynamic Note Roll");
 	mvwaddstr(dis, 7-vOffset, 1, "3. Pattern Order");
+	mvwaddstr(dis, 8-vOffset, 1, "4. Pattern Effects");
 	wattroff(dis, A_BOLD);
 	
 	mvwaddstr(dis, 1-vOffset, 20, loop?"[ #] YES":"[# ] NO");
@@ -684,6 +783,7 @@ void displayPlayer() {
 	mvwaddstr(dis, 5-vOffset, 22, ptnChans?"[ #] YES":"[# ] NO");
 	mvwaddstr(dis, 6-vOffset, 22, dynamicRoll?"[ #] YES":"[# ] NO");
 	mvwaddstr(dis, 7-vOffset, 22, ptnOrder?"[ #] YES":"[# ] NO");
+	mvwaddstr(dis, 8-vOffset, 22, showEffects?"[ #] YES":"[# ] NO");
 }
 
 void displayHelp() {
@@ -934,7 +1034,7 @@ void addToEffects(int id, char efx, bool mem) {
 	efxmemtable[id] = mem;
 }
 
-bool isPartOf(char* w1, char* w2) {
+bool isPartOf(char* w1, const char* w2) {
 	int i=0;
 	int j=0;
 	while(w1[i]!='\0'){

src/trakker.h

@@ -12,12 +12,12 @@ void createWindows();
 void displayHeader(xmp_module_info *mi, xmp_frame_info *fi);
 void displayInfo(xmp_module_info *mi, xmp_frame_info *fi);
 void displayPatterns(xmp_module_info *mi, xmp_frame_info *fi);
-void displayVolumes(xmp_module_info *mi, xmp_frame_info *fi);
+void displayScope(xmp_module_info *mi, xmp_frame_info *fi);
 void displayNoteRoll(xmp_module_info *mi, xmp_frame_info *fi);
 void displayPlayer();
 void displayHelp();
 void generateEffectsTable(char* type);
 void addToEffects(int id, char efx, bool mem);
-bool isPartOf(char* w1, char* w2);
+bool isPartOf(char* w1, const char* w2);
 
 #endif