shithub: aacenc

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add quantization quality option

--- a/frontend/aacenc.c

+++ b/frontend/aacenc.c

@@ -29,7 +29,7 @@

 static void

 usage(void)

 {

-	fprint(2, "usage: %s [-r RATE] [-c CHAN] [-t low|main|ltp] [-B BITRATE]\n", argv0);

+	fprint(2, "usage: %s [-r RATE] [-c CHAN] [-q QUANT] [-t low|main|ltp] [-B BITRATE]\n", argv0);

 	exits("usage");

 }

@@ -36,7 +36,7 @@

 void

 main(int argc, char **argv)

 {

-	int nch, srate, type, brate, sz, n, r;

+	int nch, srate, type, brate, sz, n, r, q;

 	ulong insamples, outsz, insz;

 	faacEncConfigurationPtr fmt;

 	faacEncHandle e;

@@ -50,6 +50,7 @@

 	srate = 44100;

 	nch = 2;

 	type = LOW;

+	q = 0;

 	ARGBEGIN{

 	case 'B':

 		if((brate = atoi(EARGF(usage()))) < 0)

@@ -63,6 +64,10 @@

 		if((srate = atoi(EARGF(usage()))) < 1)

 			sysfatal("invalid samplerate %d", srate);

 		break;

+	case 'q':

+		if((q = atoi(EARGF(usage()))) < 1)

+			sysfatal("invalid quantization quality %d", q);

+		break;

 	case 't':

 		s = EARGF(usage());

 		if(cistrcmp(s, "low") == 0)

@@ -100,6 +105,8 @@

 	fmt->aacObjectType = type;

 	if(brate > 0)

 		fmt->bitRate = brate / nch;

+	if(q > 0)

+		fmt->quantqual = q;

 	if(!faacEncSetConfiguration(e, fmt))

 		sysfatal("invalid encoder configuration");