Deffer detection of supported audio rates/formats until we really know what

rate we are looking for. This allows to avoid checking all possible
combinations and significantly improves mpg123 startup time. Bump PORTREVISION.

Submitted by:	MOROHOSHI Akihiko <moro@remus.dti.ne.jp>

3 files changed, 131 insertions, 5 deletions

diff --git a/audio/mpg123/Makefile b/audio/mpg123/Makefile
index 7e7537d89ae..6e2fbd3577f 100644
--- a/audio/mpg123/Makefile
+++ b/audio/mpg123/Makefile
@@ -7,7 +7,7 @@
 
 PORTNAME=	mpg123
 PORTVERSION=	0.59r
-PORTREVISION=	3
+PORTREVISION=	4
 CATEGORIES=	audio ipv6
 MASTER_SITES=	http://www.mpg123.de/mpg123/ \
 		http://www-ti.informatik.uni-tuebingen.de/~hippm/mpg123/ \
diff --git a/audio/mpg123/files/patch-ab b/audio/mpg123/files/patch-ab
index 76b32c33998..bce0ace75cd 100644
--- a/audio/mpg123/files/patch-ab
+++ b/audio/mpg123/files/patch-ab
@@ -1,5 +1,8 @@
---- mpg123.c.orig	Fri Jun 18 05:18:11 1999
-+++ mpg123.c	Fri Mar  2 16:08:04 2001
+
+$FreeBSD$
+
+--- mpg123.c.orig	Tue Aug 21 19:48:17 2001
++++ mpg123.c	Tue Aug 21 19:49:02 2001
 @@ -27,6 +27,10 @@
  #include <sched.h>
  #endif
@@ -38,7 +41,25 @@
      }
  
      return newfile;
-@@ -784,6 +788,10 @@
+@@ -605,6 +609,9 @@
+ 		}
+ 
+ 		if(fr->header_change > 1 || init) {
++
++			init_output();
++
+ 			old_rate = ai.rate;
+ 			old_format = ai.format;
+ 			old_channels = ai.channels;
+@@ -652,7 +659,6 @@
+ 					break;
+ 			}
+ 
+-			init_output();
+ 			if(ai.rate != old_rate || ai.channels != old_channels ||
+ 			   ai.format != old_format || param.force_reopen) {
+ 				if(param.force_mono < 0) {
+@@ -787,6 +793,10 @@
          _wildcard(&argc,&argv);
  #endif
  
@@ -49,7 +70,7 @@
  	if(sizeof(short) != 2) {
  		fprintf(stderr,"Ouch SHORT has size of %d bytes (required: '2')\n",(int)sizeof(short));
  		exit(1);
-@@ -917,17 +925,6 @@
+@@ -923,17 +933,6 @@
  				&dirname, &filename))
  				fprintf(stderr, "\nDirectory: %s", dirname);
  			fprintf(stderr, "\nPlaying MPEG stream from %s ...\n", filename);
diff --git a/audio/mpg123/files/patch-audio.c b/audio/mpg123/files/patch-audio.c
new file mode 100644
index 00000000000..29e475a036d
--- /dev/null
+++ b/audio/mpg123/files/patch-audio.c
@@ -0,0 +1,105 @@
+
+$FreeBSD$
+
+--- audio.c.orig	Tue Apr  6 18:53:05 1999
++++ audio.c	Tue Aug 21 19:38:08 2001
+@@ -62,8 +62,45 @@
+  AUDIO_FORMAT_ALAW_8
+ };
+ 
++/* 0: not checked
++ * 1: capable
++ * -1: not capable
++ */
+ static char capabilities[NUM_CHANNELS][NUM_ENCODINGS][NUM_RATES];
+ 
++/* true  (1): capable
++ * false (0): not capable
++ */
++static char get_capabilities(struct audio_info_struct *ai,
++                            int channel,int encoding,int rate) {
++    /* printf("get_capabilities(%d,%d,%d)\n",channel,encoding,rate); */
++    if (capabilities[channel][encoding][rate] == 0) {
++       struct audio_info_struct ai1 = *ai;
++       int fmts;
++       int k;
++       ai1.channels = channels[channel];
++       ai1.rate     = rates[rate];
++       fmts = audio_get_formats(&ai1);
++       /*printf("fmts=%x\n",fmts); */
++       fflush(stdout);
++       if (fmts < 0)
++           for (k=0; k<NUM_ENCODINGS; k++)
++               capabilities[channel][k][rate] = -1;
++       else
++           for (k=0; k<NUM_ENCODINGS; k++)
++               if ((fmts & encodings[k]) == encodings[k])
++                   capabilities[channel][k][rate] = 1;
++               else
++                   capabilities[channel][k][rate] = -1;
++    }
++    switch (capabilities[channel][encoding][rate]){
++    case 1: return 1;
++    case -1: return 0;
++    default:
++       abort();
++    }
++}
++
+ void audio_capabilities(struct audio_info_struct *ai)
+ {
+ 	int fmts;
+@@ -86,6 +123,8 @@
+ 		exit(1);
+ 	}
+ 
++	/*
++
+ 	for(i=0;i<NUM_CHANNELS;i++) {
+ 		for(j=0;j<NUM_RATES;j++) {
+ 			ai1.channels = channels[i];
+@@ -100,7 +139,7 @@
+ 		}
+ 	}
+ 
+-	audio_close(&ai1);
++	*/
+ 
+ 	if(param.verbose > 1) {
+ 		fprintf(stderr,"\nAudio capabilities:\n        |");
+@@ -111,13 +150,13 @@
+ 		for(k=0;k<k1;k++) {
+ 			fprintf(stderr," %5d  |",rates[k]);
+ 			for(j=0;j<NUM_ENCODINGS;j++) {
+-				if(capabilities[0][j][k]) {
+-					if(capabilities[1][j][k])
++				if(get_capabilities(&ai1,0,j,k)) {
++					if(get_capabilities(&ai1,1,j,k))
+ 						fprintf(stderr,"  M/S  |");
+ 					else
+ 						fprintf(stderr,"   M   |");
+ 				}
+-				else if(capabilities[1][j][k])
++				else if(get_capabilities(&ai1,1,j,k))
+ 					fprintf(stderr,"   S   |");
+ 				else
+ 					fprintf(stderr,"       |");
+@@ -126,6 +165,9 @@
+ 		}
+ 		fprintf(stderr,"\n");
+ 	}
++
++	audio_close(&ai1);
++
+ }
+ 
+ static int rate2num(int r)
+@@ -144,7 +186,7 @@
+ 
+         if(rn >= 0) {
+                 for(i=f0;i<f2;i++) {
+-                        if(capabilities[c][i][rn]) {
++                        if(get_capabilities(ai,c,i,rn)) {
+                                 ai->rate = rates[rn];
+                                 ai->format = encodings[i];
+                                 ai->channels = channels[c];