shithub: cuefs

Download patch

ref: 5449f10ad59bc28d4c35847cfc2415bbea402b85
parent: 9a8645b20bd5a5a4a4295b5116d09720d6bc6c8d
author: Tevo <estevan.cps@gmail.com>
date: Sat Jan 16 20:59:30 EST 2021 

Improve  FLAC metadata handling, add TRACKNUMBER


--- a/cuefs.h
+++ b/cuefs.h
@@ -11,6 +11,7 @@
 void* erealloc(void*, ulong);
 void* emallocz(ulong, int);
 void* emalloc(ulong);
+char* esmprint(char*, ...);
 
 char* setstr(char*, char**, char*);
 char* strreplace(char*, char, char);
--- a/fs.c
+++ b/fs.c
@@ -353,6 +353,46 @@
 	return pid;
 }
 
+static char**
+spush(int *sz, char **arr, char *str)
+{
+	/* maybe reallocating in chunks is a better idea? */
+	arr = erealloc(arr, sizeof(*arr) * ++(*sz));
+	arr[(*sz)-1] = str;
+	return arr;
+}
+
+static char**
+tagflag(int *sz, char **arr, char* tag)
+{
+	arr = spush(sz, arr, "-T");
+	arr = spush(sz, arr, tag);
+	return arr;
+}
+
+char**
+metaflags(char *enc, Entry *e)
+{
+	char **ret;
+	int c = 0;
+
+	ret = emalloc(sizeof(*ret));
+
+	ret = spush(&c, ret, enc);
+	ret = tagflag(&c, ret, esmprint("TITLE=%s", e->title));
+	ret = tagflag(&c, ret, esmprint("TRACKNUMBER=%d", e->index));
+	if(e->performer != nil)
+		ret = tagflag(&c, ret, esmprint("ARTIST=%s", e->performer));
+	if(e->sheet->performer != nil)
+		ret = tagflag(&c, ret, esmprint("ALBUMARTIST=%s", e->sheet->performer));
+	if(e->sheet->title != nil)
+		ret = tagflag(&c, ret, esmprint("ALBUM=%s", e->sheet->title));
+
+	ret = spush(&c, ret, nil);
+
+	return ret;
+}
+
 int
 _flacenc(Entry *e, int infd, int outfd)
 {
@@ -368,15 +408,7 @@
 		close(outfd);
 		{
 			/* TODO better metadata handling */
-			char *argv[] =
-			{ 
-				enc,
-				"-T", smprint("TITLE=%s", e->title),
-				"-T", smprint("ARTIST=%s", e->performer),
-				"-T", smprint("ALBUMARTIST=%s", e->sheet->performer),
-				"-T", smprint("ALBUM=%s", e->sheet->title),
-				nil
-			};
+			char **argv = metaflags(enc, e);
 			exec(enc, argv);
 			enc = smprint("/bin/%s", enc);
 			if(enc == nil)
--- a/misc.c
+++ b/misc.c
@@ -36,6 +36,21 @@
 	return p;
 }
 
+char*
+esmprint(char *fmt, ...)
+{
+	char *str;
+	va_list args;
+
+	va_start(args, fmt);
+	str = vsmprint(fmt, args);
+	if(str == nil)
+		sysfatal("vsmprint: %r");
+	va_end(args);
+
+	return str;
+}
+
 void
 yyerror(char *str)
 {