diff options
author | Nicolás Reynolds <fauno@kiwwwi.com.ar> | 2012-10-09 10:49:34 -0300 |
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committer | Nicolás Reynolds <fauno@kiwwwi.com.ar> | 2012-10-09 10:49:34 -0300 |
commit | d53c17bfc7766efa4bcb43eecc2906938d3d2ee9 (patch) | |
tree | 8f29b8f00ba7758d04e66c3b3ab2bbe71363bceb /multilib | |
parent | 23c40f4e35b9164f83c5bcf376056bca0546f69e (diff) | |
parent | 26bcb2409416374f6728bd9b863e4fd147adccb3 (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.patch | 139 |
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 + |