Sat Sep 29 00:54:37 PDT 2012

4 files changed, 278 insertions, 0 deletions

diff --git a/community-testing/jack2/40-hpet-permissions.rules b/community-testing/jack2/40-hpet-permissions.rules
new file mode 100644
index 000000000..7af3780f9
--- /dev/null
+++ b/community-testing/jack2/40-hpet-permissions.rules
@@ -0,0 +1,2 @@
+KERNEL=="rtc0", GROUP="audio"
+KERNEL=="hpet", GROUP="audio"
diff --git a/community-testing/jack2/99-audio.conf b/community-testing/jack2/99-audio.conf
new file mode 100644
index 000000000..eb76ef920
--- /dev/null
+++ b/community-testing/jack2/99-audio.conf
@@ -0,0 +1,2 @@
+@audio 	- rtprio 	99
+@audio 	- memlock 	unlimited
diff --git a/community-testing/jack2/PKGBUILD b/community-testing/jack2/PKGBUILD
new file mode 100644
index 000000000..dd3ab36e0
--- /dev/null
+++ b/community-testing/jack2/PKGBUILD
@@ -0,0 +1,135 @@
+# $Id: PKGBUILD 76735 2012-09-28 16:17:58Z schiv $
+# Maintainer: Ray Rashif <schiv@archlinux.org>
+# Contributor: Daniele Paolella <danielepaolella@email.it>
+# Contributor: Philipp Überbacher <hollunder at gmx dot at>
+# Contributor: Thomas Bahn <thomas-bahn at gmx dot net>
+
+pkgbase=jack2
+pkgname=('jack2' 'jack2-dbus')
+#pkgname= # single build (overrides split)
+_tarname=jack
+pkgver=1.9.8
+pkgrel=4
+arch=('i686' 'x86_64')
+url="http://jackaudio.org/"
+backup=(etc/security/limits.d/99-audio.conf)
+license=('GPL')
+makedepends=('python2' 'doxygen' 'libffado'
+             'libsamplerate' 'dbus-core' 'celt')
+source=("http://www.grame.fr/~letz/$_tarname-$pkgver.tgz"
+        '99-audio.conf'
+        '40-hpet-permissions.rules'
+        'ffado_setbuffsize-jack2.patch')
+md5sums=('1dd2ff054cab79dfc11d134756f27165'
+         'ae65b7c9ebe0fff6c918ba9d97ae342d'
+         '471aad533ff56c5d3cbbf65ce32cadef'
+         '1502d82fe2276d6f224fff6467a0b6f9')
+
+_pyfix() {
+  sed -i 's:bin/env python:bin/env python2:' \
+    "$pkgdir/usr/bin/jack_control"
+}
+
+_wafconf() {
+  python2 waf configure --prefix=/usr \
+                        --alsa \
+                        --firewire \
+                        --doxygen $@
+}
+
+_isbuild() {
+  printf "%s\n" ${pkgname[@]} | grep -qx $1
+}
+
+build() {
+  cd "$srcdir/$_tarname-$pkgver"
+
+  # backport firewire stuff
+  #   - needed for setbuffsize feature in latest stable ffado
+  # from https://github.com/jackaudio/jack2/commit/96e0251
+  (
+  cd $_tarname-$pkgver
+  patch -Np1 -i "$srcdir/ffado_setbuffsize-jack2.patch"
+  )
+
+  # Some optimisation bug exists for current GCC
+  # see http://gcc.gnu.org/bugzilla/show_bug.cgi?id=53663
+  export CFLAGS="${CFLAGS/-O[0-9]/-O0}"
+  export CXXFLAGS="$CFLAGS"
+
+  # fix doxygen building
+  sed -i 's:build/default/html:html:' $_tarname-$pkgver/wscript
+
+  # we may do 2 different builds
+  cp -r $_tarname-$pkgver $_tarname-dbus-$pkgver
+
+  # mixed dbus/classic build
+  if _isbuild jack2; then
+    cd $_tarname-$pkgver
+    msg2 "Running Mixed D-Bus/Classic build"
+    _wafconf --classic --dbus
+    python2 waf build $MAKEFLAGS
+    cd ..
+  fi
+
+  # dbus-ONLY build
+  if _isbuild jack2-dbus; then
+    cd $_tarname-dbus-$pkgver
+    msg2 "Running D-Bus-only build"
+    _wafconf --dbus
+    python2 waf build $MAKEFLAGS
+    cd ..
+  fi
+}
+
+package_jack2() {
+  ! _isbuild jack2 && return 0
+
+  pkgdesc="The next-generation JACK with SMP support"
+  depends=('libsamplerate' 'celt')
+  optdepends=('libffado: FireWire support'
+              'dbus-core: jackdbus'
+              'python2: jack_control')
+  conflicts=('jack')
+  provides=('jack' 'jackmp' 'jackdmp' 'jackdbus')
+
+  cd "$srcdir/$_tarname-$pkgver/$_tarname-$pkgver"
+
+  python2 waf install --destdir="$pkgdir"
+
+  # fix for major python transition
+  _pyfix
+
+  # configure realtime access/scheduling
+  # see https://bugs.archlinux.org/task/26343
+  install -Dm644 "$srcdir/99-audio.conf" \
+    "$pkgdir/etc/security/limits.d/99-audio.conf"
+
+  install -Dm644 "$srcdir/40-hpet-permissions.rules" \
+    "$pkgdir/usr/lib/udev/rules.d/40-hpet-permissions.rules"
+}
+
+package_jack2-dbus() {
+  ! _isbuild jack2-dbus && return 0
+
+  pkgdesc="The next-generation JACK with SMP support (for D-BUS interaction only)"
+  depends=('libsamplerate' 'celt' 'dbus-core')
+  optdepends=('libffado: FireWire support'
+              'python2: jack_control')
+  conflicts=('jack' 'jack2')
+  provides=('jack' 'jack2' 'jackmp' 'jackdmp' 'jackdbus')
+
+  cd "$srcdir/$_tarname-$pkgver/$_tarname-dbus-$pkgver"
+
+  python2 waf install --destdir="$pkgdir"
+
+  _pyfix
+
+  install -Dm644 "$srcdir/99-audio.conf" \
+    "$pkgdir/etc/security/limits.d/99-audio.conf"
+
+  install -Dm644 "$srcdir/40-hpet-permissions.rules" \
+    "$pkgdir/usr/lib/udev/rules.d/40-hpet-permissions.rules"
+}
+
+# vim:set ts=2 sw=2 et:
diff --git a/community-testing/jack2/ffado_setbuffsize-jack2.patch b/community-testing/jack2/ffado_setbuffsize-jack2.patch
new file mode 100644
index 000000000..0c74aad24
--- /dev/null
+++ b/community-testing/jack2/ffado_setbuffsize-jack2.patch
@@ -0,0 +1,139 @@
+From 96e0251234a29a1360c05d5d7dc98b83436b8183 Mon Sep 17 00:00:00 2001
+From: Adrian Knoth <adi@drcomp.erfurt.thur.de>
+Date: Sat, 17 Mar 2012 22:36:30 +0100
+Subject: [PATCH] [firewire] Allow FFADO backend to change the buffer size
+
+This is a port of Jonathan Woithe's patch from jackd1.
+With sufficiently recent versions of FFADO, it allows to change
+the buffersize at runtime.
+---
+ linux/firewire/JackFFADODriver.cpp |   65 ++++++++++++++++++++++++++++++++----
+ linux/firewire/JackFFADODriver.h   |    6 ++++
+ 2 files changed, 65 insertions(+), 6 deletions(-)
+
+diff --git a/linux/firewire/JackFFADODriver.cpp b/linux/firewire/JackFFADODriver.cpp
+index b33e1cd..085b78a 100644
+--- a/linux/firewire/JackFFADODriver.cpp
++++ b/linux/firewire/JackFFADODriver.cpp
+@@ -3,6 +3,7 @@
+ Copyright (C) 2004 Grame
+ Copyright (C) 2007 Pieter Palmers
+ Copyright (C) 2009 Devin Anderson
++Copyright (C) 2012 Jonathan Woithe, Adrian Knoth
+ 
+ This program is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+@@ -48,7 +49,10 @@
+ namespace Jack
+ {
+ 
++// Basic functionality requires API version 8.  If version 9 or later
++// is present the buffers can be resized at runtime.
+ #define FIREWIRE_REQUIRED_FFADO_API_VERSION 8
++#define FIREWIRE_REQUIRED_FFADO_API_VERSION_FOR_SETBUFSIZE 9
+ 
+ #define jack_get_microseconds GetMicroSeconds
+ 
+@@ -281,19 +285,68 @@
+ int
+ JackFFADODriver::SetBufferSize (jack_nframes_t nframes)
+ {
+-    printError("Buffer size change requested but not supported!!!");
++    ffado_driver_t* driver = (ffado_driver_t*)fDriver;
++    signed int chn;
++
++    // The speed of this function isn't critical; we can afford the
++    // time to check the FFADO API version.
++    if (ffado_get_api_version() < FIREWIRE_REQUIRED_FFADO_API_VERSION_FOR_SETBUFSIZE ||
++		    ffado_streaming_set_period_size == NULL) {
++	    printError("unsupported on current version of FFADO; please upgrade FFADO");
++	    return -1;
++    }
+ 
+-    /*
+     driver->period_size = nframes;
+     driver->period_usecs =
+             (jack_time_t) floor ((((float) nframes) / driver->sample_rate)
+                                  * 1000000.0f);
+-    */
++
++
++    // Reallocate the null and scratch buffers.
++    driver->nullbuffer = (ffado_sample_t*) calloc(driver->period_size, sizeof(ffado_sample_t));
++    if(driver->nullbuffer == NULL) {
++	    printError("could not allocate memory for null buffer");
++	    return -1;
++    }
++    driver->scratchbuffer = (ffado_sample_t*) calloc(driver->period_size, sizeof(ffado_sample_t));
++    if(driver->scratchbuffer == NULL) {
++	    printError("could not allocate memory for scratch buffer");
++	    return -1;
++    }
++
++    // MIDI buffers need reallocating
++    for (chn = 0; chn < driver->capture_nchannels; chn++) {
++	    if(driver->capture_channels[chn].stream_type == ffado_stream_type_midi) {
++		    // setup the midi buffer
++		    if (driver->capture_channels[chn].midi_buffer != NULL)
++			    free(driver->capture_channels[chn].midi_buffer);
++		    driver->capture_channels[chn].midi_buffer = (ffado_sample_t*) calloc(driver->period_size, sizeof(uint32_t));
++	    }
++    }
++    for (chn = 0; chn < driver->playback_nchannels; chn++) {
++	    if(driver->playback_channels[chn].stream_type == ffado_stream_type_midi) {
++		    if (driver->playback_channels[chn].midi_buffer != NULL)
++			    free(driver->playback_channels[chn].midi_buffer);
++		    driver->playback_channels[chn].midi_buffer = (ffado_sample_t*) calloc(driver->period_size, sizeof(uint32_t));
++	    }
++    }
++
++    // Notify FFADO of the period size change
++    if (ffado_streaming_set_period_size(driver->dev, nframes) != 0) {
++	    printError("could not alter FFADO device period size");
++	    return -1;
++    }
++
++    // This is needed to give the shadow variables a chance to
++    // properly update to the changes.
++    sleep(1);
+ 
+     /* tell the engine to change its buffer size */
+-    //driver->engine->set_buffer_size (driver->engine, nframes);
++    JackAudioDriver::SetBufferSize(nframes);  // Generic change, never fails
+ 
+-    return -1; // unsupported
++    UpdateLatencies();
++
++    return 0;
+ }
+ 
+ typedef void (*JackDriverFinishFunction) (jack_driver_t *);
+@@ -306,7 +359,7 @@
+ 
+     assert(params);
+ 
+-    if (ffado_get_api_version() != FIREWIRE_REQUIRED_FFADO_API_VERSION) {
++    if (ffado_get_api_version() < FIREWIRE_REQUIRED_FFADO_API_VERSION) {
+         printError("Incompatible libffado version! (%s)", ffado_get_version());
+         return NULL;
+     }
+diff --git a/linux/firewire/JackFFADODriver.h b/linux/firewire/JackFFADODriver.h
+index cb2a45d..790f4dd 100644
+--- a/linux/firewire/JackFFADODriver.h
++++ b/linux/firewire/JackFFADODriver.h
+@@ -82,6 +82,12 @@ class JackFFADODriver : public JackAudioDriver
+         int Read();
+         int Write();
+ 
++        // BufferSize can be changed
++        bool IsFixedBufferSize()
++        {
++            return false;
++        }
++
+         int SetBufferSize(jack_nframes_t nframes);
+ };
+ 
+-- 
+1.7.10
+