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authorroot <root@rshg054.dnsready.net>2012-10-07 00:37:20 -0700
committerroot <root@rshg054.dnsready.net>2012-10-07 00:37:20 -0700
commit682e4a12f537d598cb116ba394ceeae1eafc281e (patch)
treeb48c04d80686157d339741b922053c2e88b15d68 /multilib/jack2-multilib
parente7552010f531ef1b114352f0ce71a307360bf1d4 (diff)
Sun Oct 7 00:37:16 PDT 2012
Diffstat (limited to 'multilib/jack2-multilib')
-rw-r--r--multilib/jack2-multilib/PKGBUILD18
-rw-r--r--multilib/jack2-multilib/ffado_setbuffsize-jack2.patch139
2 files changed, 153 insertions, 4 deletions
diff --git a/multilib/jack2-multilib/PKGBUILD b/multilib/jack2-multilib/PKGBUILD
index d133aad7a..7a1a5f2b7 100644
--- a/multilib/jack2-multilib/PKGBUILD
+++ b/multilib/jack2-multilib/PKGBUILD
@@ -1,4 +1,4 @@
-# $Id: PKGBUILD 76361 2012-09-16 15:00:40Z schiv $
+# $Id: PKGBUILD 77161 2012-10-06 07:18:34Z schiv $
# Maintainer: Ray Rashif <schiv@archlinux.org>
# Contributor: SpepS <dreamspepser at yahoo dot it>
@@ -15,7 +15,7 @@ pkgname=('jack2-multilib' 'jack2-dbus-multilib')
#pkgname= # single build (overrides split)
_tarname=jack
pkgver=1.9.8
-pkgrel=3
+pkgrel=4
arch=('x86_64')
url="http://jackaudio.org/"
backup=(etc/security/limits.d/99-audio.conf)
@@ -25,10 +25,12 @@ makedepends=('python2' 'doxygen' 'libffado'
'gcc-multilib')
source=("http://www.grame.fr/~letz/$_tarname-$pkgver.tgz"
'99-audio.conf'
- '40-hpet-permissions.rules')
+ '40-hpet-permissions.rules'
+ 'ffado_setbuffsize-jack2.patch')
md5sums=('1dd2ff054cab79dfc11d134756f27165'
'ae65b7c9ebe0fff6c918ba9d97ae342d'
- '471aad533ff56c5d3cbbf65ce32cadef')
+ '471aad533ff56c5d3cbbf65ce32cadef'
+ '1502d82fe2276d6f224fff6467a0b6f9')
_pyfix() {
sed -i 's:bin/env python:bin/env python2:' \
@@ -57,6 +59,14 @@ build() {
export LINKFLAGS="$LDFLAGS"
+ # 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}"
diff --git a/multilib/jack2-multilib/ffado_setbuffsize-jack2.patch b/multilib/jack2-multilib/ffado_setbuffsize-jack2.patch
new file mode 100644
index 000000000..0c74aad24
--- /dev/null
+++ b/multilib/jack2-multilib/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
+