bytemedia

commit: 90b76ddd99556b4760e4b171c86ca4a36b321c6e
parent 4be5f4d3b12af833ebe9c29fe84785d30881feaa
Author: Haelwenn (lanodan) Monnier <contact@hacktivis.me>
Date:   Sat, 29 Mar 2025 23:56:48 +0100

C/fast_alpha.c: new, based on C/alpha.c

Diffstat:
A
C/fast_alpha.c
37
+++++++++++++++++++++++++++++++++++++

1 file changed, 37 insertions(+), 0 deletions(-)
diff --git a/C/fast_alpha.c b/C/fast_alpha.c
@@ -0,0 +1,37 @@
+// cat ./fast_alpha.c | tcc -run ./fast_alpha.c | mpv -
+#define _POSIX_C_SOURCE 200809L
+#include <stdio.h> // getchar()
+#include <inttypes.h> // uint32_t
+
+#include "au.h"
+
+int
+main(void)
+{
+	// Use AU defaults
+	struct au_header header = {
+		.offset = 24, // no-annotation, in octets
+		.length = 0xFFFFFFFF, // unknown data size
+		.encoding = 02, // unsigned 8-bit linear PCM
+		.samplerate = 8000, // Hz
+		.channels = 1
+	};
+
+	// fd 1 is stdout
+	write_au_header(1, &header);
+
+	int c = 0, t = 0, o = 0;
+
+	while((c = getchar()) != -1) {
+		int dur = 7000/14;
+		o = 1; // Magic number
+		if(c >= 'a' && c <= 'z') { dur = 7000/15; o=c-'a'+1; }
+		if(c >= '0' && c <= '9') { dur = 7000/16; o=c-'0'+1; }
+		if(c >= 'A' && c <= 'Z') { dur = 7000/17; o=c-'a'+1; }
+
+		for(int i = 0;i<dur;i++,t++)
+			putchar(t++*o%30);
+	}
+
+	return 0;
+}