summaryrefslogtreecommitdiff
path: root/multilib
diff options
context:
space:
mode:
authorNicolás Reynolds <fauno@kiwwwi.com.ar>2012-10-09 10:49:34 -0300
committerNicolás Reynolds <fauno@kiwwwi.com.ar>2012-10-09 10:49:34 -0300
commitd53c17bfc7766efa4bcb43eecc2906938d3d2ee9 (patch)
tree8f29b8f00ba7758d04e66c3b3ab2bbe71363bceb /multilib
parent23c40f4e35b9164f83c5bcf376056bca0546f69e (diff)
parent26bcb2409416374f6728bd9b863e4fd147adccb3 (diff)
Merge branch 'master' of ssh://vparabola/home/parabola/abslibre-pre-mips64el
Conflicts: community-testing/freewrl/PKGBUILD community-testing/gambas2/PKGBUILD community-testing/gambas3/PKGBUILD community-testing/gnash/PKGBUILD community-testing/gource/PKGBUILD community-testing/gpac/PKGBUILD community-testing/rss-glx/PKGBUILD community-testing/smc/PKGBUILD community/blobby2/PKGBUILD community/jack2/PKGBUILD community/kleansweep/PKGBUILD core/gcc/PKGBUILD extra/at/PKGBUILD extra/maxima/PKGBUILD extra/nicotine/PKGBUILD extra/python-geoip/PKGBUILD extra/sqlite/PKGBUILD gnome-unstable/gnome-control-center/PKGBUILD gnome-unstable/gnome-settings-daemon/PKGBUILD gnome-unstable/gst-plugins-base/PKGBUILD gnome-unstable/gstreamer/PKGBUILD multilib-testing/gcc-multilib/PKGBUILD multilib-testing/libtool-multilib/PKGBUILD multilib/jack2-multilib/PKGBUILD staging/mesa/PKGBUILD testing/bzflag/PKGBUILD testing/cabal-install/PKGBUILD testing/cairo/PKGBUILD testing/gcc/PKGBUILD testing/glew/PKGBUILD testing/kdebase-workspace/PKGBUILD testing/libreoffice/PKGBUILD testing/libtool/PKGBUILD testing/mesa/PKGBUILD testing/nx/PKGBUILD testing/xf86-video-ati/PKGBUILD testing/xf86-video-intel/PKGBUILD testing/xf86-video-intel/xf86-video-intel.install testing/xf86-video-nouveau/PKGBUILD testing/xine-lib/PKGBUILD testing/xorg-server/PKGBUILD
Diffstat (limited to 'multilib')
-rw-r--r--multilib/jack2-multilib/ffado_setbuffsize-jack2.patch139
1 files changed, 139 insertions, 0 deletions
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
+