- Backport upstream fix for .mkv playback stutter using oss audio.

- Bump PORTREVISION.

PR:		ports/186093
Submitted by:	"Marko Cupa&#263;" <marko.cupac@mimar.rs> (PR)
Obtained from:	http://git.videolan.org/gitweb.cgi/vlc.git/?a=commit;h=c1622c2c6e0e15a38fef723086ca8bf75a75b46b

multimedia/vlc/Makefile

@@ -3,6 +3,7 @@
 
 PORTNAME=	vlc
 DISTVERSION=	2.1.4
+PORTREVISION=	1
 PORTEPOCH=	4
 CATEGORIES=	multimedia audio ipv6 net www
 MASTER_SITES=	http://download.videolan.org/pub/videolan/${PORTNAME}/${DISTVERSION:S/a$//}/ \

multimedia/vlc/files/patch-c1622c2c6e0e15a38fef723086ca8bf75a75b46b-2.1.4

@@ -0,0 +1,37 @@
+Backported from:
+
+	http://git.videolan.org/gitweb.cgi/vlc.git/?a=commit;h=c1622c2c6e0e15a38fef723086ca8bf75a75b46b
+
+--- modules/audio_output/oss.c.orig
++++ modules/audio_output/oss.c
+@@ -37,6 +37,7 @@
+ #else
+ # include <sys/soundcard.h>
+ #endif
++#include <errno.h>
+ 
+ #ifndef SNDCTL_DSP_HALT
+ # define SNDCTL_DSP_HALT SNDCTL_DSP_RESET
+@@ -210,6 +211,22 @@ static int Start (audio_output_t *aout, 
+     }
+     aout_FormatPrepare (fmt);
+ 
++    /* Select timing */
++    unsigned bytes;
++    char buf[1024];
++
++    if (spdif)
++        bytes = AOUT_SPDIF_SIZE;
++    else
++        bytes = fmt->i_rate / (CLOCK_FREQ / AOUT_MIN_PREPARE_TIME)
++                * fmt->i_bytes_per_frame;
++
++    int frag = (AOUT_MAX_ADVANCE_TIME / AOUT_MIN_PREPARE_TIME) << 16
++             | (32 - clz32(bytes - 1));
++    if (ioctl (fd, SNDCTL_DSP_SETFRAGMENT, &frag) < 0)
++        msg_Err (aout, "cannot set 0x%08x fragment: %s", frag,
++                 strerror_r(errno, buf, sizeof(buf) - 1));
++
+     VolumeSync (aout);
+     sys->starting = true;
+     sys->format = *fmt;