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-rw-r--r--audio/jack-audio-connection-kit/ffado_setbuffsize-jack1.patch124
-rw-r--r--audio/jack-audio-connection-kit/jack-audio-connection-kit.SlackBuild11
2 files changed, 133 insertions, 2 deletions
diff --git a/audio/jack-audio-connection-kit/ffado_setbuffsize-jack1.patch b/audio/jack-audio-connection-kit/ffado_setbuffsize-jack1.patch
new file mode 100644
index 0000000000000..7e43962eec217
--- /dev/null
+++ b/audio/jack-audio-connection-kit/ffado_setbuffsize-jack1.patch
@@ -0,0 +1,124 @@
+From 025d3ad4d5adeff00e97b6fafdf32d6d199d0baa Mon Sep 17 00:00:00 2001
+From: Jonathan Woithe <jwoithe@just42.net>
+Date: Tue, 13 Mar 2012 15:43:03 +1030
+Subject: [PATCH] Support setbufsize in firewire driver
+
+---
+ drivers/firewire/ffado_driver.c | 69 ++++++++++++++++++++++++++++++++++-----
+ 1 file changed, 60 insertions(+), 9 deletions(-)
+
+diff --git a/drivers/firewire/ffado_driver.c b/drivers/firewire/ffado_driver.c
+index a8ad1ea..6035af3 100644
+--- a/drivers/firewire/ffado_driver.c
++++ b/drivers/firewire/ffado_driver.c
+@@ -7,6 +7,7 @@
+ * http://www.jackaudio.org
+ *
+ * Copyright (C) 2005-2007 Pieter Palmers
++ * Copyright (C) 2012 Jonathan Woithe
+ *
+ * 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
+@@ -50,7 +51,10 @@
+
+ static int ffado_driver_stop (ffado_driver_t *driver);
+
++// 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
+
+ // enable verbose messages
+ static int g_verbose=0;
+@@ -675,24 +679,71 @@
+ static int
+ ffado_driver_bufsize (ffado_driver_t* driver, jack_nframes_t nframes)
+ {
+- printError("Buffer size change requested but not supported!!!");
++ 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_size = nframes;
+ driver->period_usecs =
+ (jack_time_t) floor ((((float) nframes) / driver->sample_rate)
+ * 1000000.0f);
+- */
+-
++
++ // Reallocate the null and scratch buffers.
++ driver->nullbuffer = calloc(driver->period_size, sizeof(ffado_sample_t));
++ if(driver->nullbuffer == NULL) {
++ printError("could not allocate memory for null buffer");
++ return -1;
++ }
++ driver->scratchbuffer = 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 = 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 = 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 */
+-#if 0
+ if (driver->engine->set_buffer_size (driver->engine, nframes)) {
+ jack_error ("FFADO: cannot set engine buffer size to %d (check MIDI)", nframes);
+ return -1;
+ }
+-#endif
+
+- return -1; // unsupported
++ // Other drivers (eg: ALSA) don't seem to adjust latencies via
++ // jack_port_set_latency_range() from the bufsize() callback, so we
++ // won't either. Is this right?
++
++ return 0;
+ }
+
+ typedef void (*JackDriverFinishFunction) (jack_driver_t *);
+@@ -704,7 +755,7 @@
+ {
+ ffado_driver_t *driver;
+
+- 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;
+ }
+--
+1.7.10
+
diff --git a/audio/jack-audio-connection-kit/jack-audio-connection-kit.SlackBuild b/audio/jack-audio-connection-kit/jack-audio-connection-kit.SlackBuild
index d02e4f07d7108..e3101d38cf3a1 100644
--- a/audio/jack-audio-connection-kit/jack-audio-connection-kit.SlackBuild
+++ b/audio/jack-audio-connection-kit/jack-audio-connection-kit.SlackBuild
@@ -2,7 +2,7 @@
# Slackware build script for jack-audio-connection-kit
-# Copyright 2007-2012 Heinz Wiesinger, Amsterdam, The Netherlands
+# Copyright 2007-2013 Heinz Wiesinger, Amsterdam, The Netherlands
# All rights reserved.
#
# Redistribution and use of this script, with or without modification, is
@@ -27,7 +27,7 @@
PRGNAM=jack-audio-connection-kit
VERSION=0.121.3
-BUILD=${BUILD:-1}
+BUILD=${BUILD:-2}
TAG=${TAG:-_SBo}
if [ -z "$ARCH" ]; then
@@ -72,6 +72,10 @@ find . \
\( -perm 666 -o -perm 664 -o -perm 600 -o -perm 444 -o -perm 440 -o -perm 400 \) \
-exec chmod 644 {} \;
+# Fix for latest version of libffado.
+# from https://github.com/jackaudio/jack1/commit/025d3ad
+patch -p1 -i $CWD/ffado_setbuffsize-jack1.patch
+
CFLAGS="$SLKCFLAGS" \
CXXFLAGS="$SLKCFLAGS" \
./configure \
@@ -89,6 +93,9 @@ CXXFLAGS="$SLKCFLAGS" \
make
make install-strip DESTDIR=$PKG
+# Install missing header
+install -m 644 jack/jslist.h $PKG/usr/include/jack/
+
find $PKG | xargs file | grep -e "executable" -e "shared object" | grep ELF \
| cut -f 1 -d : | xargs strip --strip-unneeded 2> /dev/null || true