From 43cd2e73225cd66e61d1e9754afcaa7eca02fcb7 Mon Sep 17 00:00:00 2001
From: John Tsiombikas <nuclear@member.fsf.org>
Date: Fri, 1 Feb 2019 15:58:24 +0200
Subject: [PATCH] controls

---
 src/audio.h |    1 +
 src/main.c  |   61 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++-
 2 files changed, 61 insertions(+), 1 deletion(-)

diff --git a/src/audio.h b/src/audio.h
index 9268627..961cb9e 100644
--- a/src/audio.h
+++ b/src/audio.h
@@ -14,6 +14,7 @@ void audio_resume(void);
 void audio_stop(void);
 int audio_isplaying(void);
 
+/* audio volume: 0-255 */
 void audio_volume(int vol);
 
 #endif	/* AUDIO_H_ */
diff --git a/src/main.c b/src/main.c
index 4395af6..f62fdac 100644
--- a/src/main.c
+++ b/src/main.c
@@ -1,6 +1,8 @@
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
+#include <dos.h>
+#include <conio.h>
 #include "aufile.h"
 #include "audio.h"
 
@@ -10,6 +12,9 @@ static int play_file(const char *fname);
 static int cbfunc(void *buf, int size, void *cls);
 static void print_usage(const char *argv0);
 
+static int vol = 220;
+static int quit;
+
 int main(int argc, char **argv)
 {
 	int i;
@@ -17,6 +22,7 @@ int main(int argc, char **argv)
 	if(audio_init() == -1) {
 		return 1;
 	}
+	audio_volume(vol);
 
 	for(i=1; i<argc; i++) {
 		if(argv[i][0] == '-') {
@@ -29,6 +35,7 @@ int main(int argc, char **argv)
 			}
 		} else {
 			play_file(argv[i]);
+			if(quit) break;
 		}
 	}
 	return 0;
@@ -40,6 +47,8 @@ static int dbg_cur_offs;
 static int play_file(const char *fname)
 {
 	struct au_file *au;
+	int paused = 0;
+	unsigned long prev;
 
 	if(!(au = au_open(fname))) {
 		return -1;
@@ -60,8 +69,58 @@ static int play_file(const char *fname)
 #endif
 
 	audio_play(au->rate, au->bits, au->chan);
-	while(audio_isplaying());
+	while(audio_isplaying()) {
+		if(kbhit()) {
+			int c = getch();
+			switch(c) {
+			case 27:
+				audio_stop();
+				quit = 1;
+				goto end;
+
+			case ' ':
+				paused = !paused;
+				if(paused) {
+					audio_pause();
+					printf("pause\n");
+				} else {
+					audio_resume();
+					printf("resume\n");
+				}
+				break;
+
+			case '=':
+				vol += 32;
+				if(vol > 255) vol = 255;
+				audio_volume(vol);
+				printf("volume: %d%%\n", 101 * vol / 256);
+				break;
+
+			case '-':
+				vol -= 32;
+				if(vol < 0) vol = 0;
+				audio_volume(vol);
+				printf("volume: %d%%\n", 101 * vol / 256);
+				break;
+
+			default:
+				break;
+			}
+		}
+
+		_disable();
+		if(dbg_cur_offs != prev) {
+			prev = dbg_cur_offs;
+			_enable();
+
+			printf("%3d%% - offs: %lu/%lu\n", 100 * prev / au->size, prev, au->size);
+		} else {
+			_enable();
+		}
+
+	}
 
+end:
 	au_close(au);
 #ifdef DBG_PRELOAD
 	free(dbg_samples);
-- 
1.7.10.4