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Stuff... ;)

tags/1.9.6
falkTX 10 years ago
parent
341e8181fc
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9ae784978b
18 changed files with 3995 additions and 0 deletions
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  1. +215
    -0
      source/includes/CarlaNativeJack.h
  2. +369
    -0
      source/native-plugins/zita-jaaa.cpp
  3. +1
    -0
      source/native-plugins/zita-jaaa/AUTHORS
  4. +340
    -0
      source/native-plugins/zita-jaaa/COPYING
  5. +16
    -0
      source/native-plugins/zita-jaaa/INSTALL
  6. +101
    -0
      source/native-plugins/zita-jaaa/README
  7. +49
    -0
      source/native-plugins/zita-jaaa/source/Makefile
  8. +261
    -0
      source/native-plugins/zita-jaaa/source/audio.cc
  9. +81
    -0
      source/native-plugins/zita-jaaa/source/audio.h
  10. +175
    -0
      source/native-plugins/zita-jaaa/source/jaaa.cc
  11. +98
    -0
      source/native-plugins/zita-jaaa/source/messages.h
  12. +265
    -0
      source/native-plugins/zita-jaaa/source/prbsgen.h
  13. +153
    -0
      source/native-plugins/zita-jaaa/source/rngen.cc
  14. +74
    -0
      source/native-plugins/zita-jaaa/source/rngen.h
  15. +1350
    -0
      source/native-plugins/zita-jaaa/source/spectwin.cc
  16. +209
    -0
      source/native-plugins/zita-jaaa/source/spectwin.h
  17. +135
    -0
      source/native-plugins/zita-jaaa/source/styles.cc
  18. +103
    -0
      source/native-plugins/zita-jaaa/source/styles.h

+ 215
- 0
source/includes/CarlaNativeJack.h View File

@@ -0,0 +1,215 @@
/*
* Carla Native Plugin API (JACK Compatibility header)
* Copyright (C) 2015 Filipe Coelho <falktx@falktx.com>
*
* 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 the Free Software Foundation; either version 2 of
* the License, or any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* For a full copy of the GNU General Public License see the doc/GPL.txt file.
*/

#ifndef CARLA_NATIVE_JACK_H_INCLUDED
#define CARLA_NATIVE_JACK_H_INCLUDED

#include "CarlaNative.h"

#ifdef __cplusplus
extern "C" {
#endif

/* ------------------------------------------------------------------------------------------------------------
* Macros */

#define JACK_DEFAULT_AUDIO_TYPE "audio"
#define JACK_DEFAULT_MIDI_TYPE "midi"

/* ------------------------------------------------------------------------------------------------------------
* Basic types */

typedef float jack_default_audio_sample_t;
typedef uint32_t jack_nframes_t;

typedef void (*jack_shutdown_callback)(void* ptr);
typedef int (*jack_process_callback)(jack_nframes_t nframes, void* ptr);

/* ------------------------------------------------------------------------------------------------------------
* Enums */

typedef enum {
JackPortIsInput = 1 << 0,
JackPortIsOutput = 1 << 1
} jack___t;

typedef enum {
JackNoStartServer = 0,
JackServerName
} jack_options_t;

typedef enum {
JackNoError = 0x0
} jack_status_t;

/* ------------------------------------------------------------------------------------------------------------
* Structs */

typedef struct {
bool isInput;
void* buffer;
} jack_port_t;

typedef struct {
// current state
bool active;
const char* clientName;
jack_nframes_t bufferSize;
jack_nframes_t sampleRate;

// callbacks
jack_process_callback processCallback;
void* processPtr;

// ports
jack_port_t* portsAudioIn[8];
jack_port_t* portsAudioOut[8];
} jack_client_t;

/* ------------------------------------------------------------------------------------------------------------
* Client functions, defined in the plugin code */

jack_client_t* jack_client_open(const char* clientname, jack_options_t options, jack_status_t* status, ...);

int jack_client_close(jack_client_t* client);

/* ------------------------------------------------------------------------------------------------------------
* Callback functions */

static inline
int jack_on_shutdown(jack_client_t* client, jack_shutdown_callback callback, void* ptr)
{
return 0;

// unused
(void)client;
(void)callback;
(void)ptr;
}

static inline
int jack_set_process_callback(jack_client_t* client, jack_process_callback callback, void* ptr)
{
client->processCallback = callback;
client->processPtr = ptr;
return 0;
}

/* ------------------------------------------------------------------------------------------------------------
* Port functions */

static inline
jack_port_t* jack_port_register(jack_client_t* client, const char* name, const char* type, jack___t hints, jack_nframes_t buffersize)
{
jack_port_t** const ports = (hints & JackPortIsInput) ? client->portsAudioIn : client->portsAudioOut;

for (int i=0; i<8; ++i)
{
if (ports[i] != NULL)
continue;

jack_port_t* const port = (jack_port_t*)calloc(1, sizeof(jack_port_t));

if (port == NULL)
return NULL;

port->isInput = (hints & JackPortIsInput);

ports[i] = port;

return port;
}

return NULL;

// unused
(void)name;
(void)type;
(void)buffersize;
}

static inline
int jack_port_unregister(jack_client_t* client, jack_port_t* port)
{
jack_port_t** const ports = port->isInput ? client->portsAudioIn : client->portsAudioOut;

for (int i=0; i<8; ++i)
{
if (ports[i] == port)
{
ports[i] = nullptr;
return 0;
}
}

return 1;
}

static inline
void* jack_port_get_buffer(const jack_port_t* port, jack_nframes_t nframes)
{
return port->buffer;

// unused
(void)nframes;
}

/* ------------------------------------------------------------------------------------------------------------
* [De/]Activate */

static inline
int jack_activate(jack_client_t* client)
{
client->active = true;
return 0;
}

static inline
int jack_deactivate(jack_client_t* client)
{
client->active = false;
return 0;
}

/* ------------------------------------------------------------------------------------------------------------
* Get data functions */

static inline
const char* jack_get_client_name(const jack_client_t* client)
{
return client->clientName;
}

static inline
jack_nframes_t jack_get_buffer_size(const jack_client_t* client)
{
return client->bufferSize;
}

static inline
jack_nframes_t jack_get_sample_rate(const jack_client_t* client)
{
return client->sampleRate;
}

/* ------------------------------------------------------------------------------------------------------------ */

#ifdef __cplusplus
} /* extern "C" */
#endif

#endif /* CARLA_NATIVE_JACK_H_INCLUDED */

+ 369
- 0
source/native-plugins/zita-jaaa.cpp View File

@@ -0,0 +1,369 @@
/*
* Carla Native Plugins
* Copyright (C) 2012-2015 Filipe Coelho <falktx@falktx.com>
*
* 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 the Free Software Foundation; either version 2 of
* the License, or any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* For a full copy of the GNU General Public License see the doc/GPL.txt file.
*/

#include "CarlaNative.hpp"

#include "CarlaMutex.hpp"
#include "CarlaJuceUtils.hpp"

#include "juce_audio_basics.h"

#include "zita-jaaa/source/audio.cc"
#include "zita-jaaa/source/rngen.cc"
#include "zita-jaaa/source/spectwin.cc"
#include "zita-jaaa/source/styles.cc"

using juce::FloatVectorOperations;
using juce::ScopedPointer;

// -----------------------------------------------------------------------
// fake jack_client_open/close per plugin

static jack_client_t* gLastJackClient = nullptr;

jack_client_t* jack_client_open(const char*, jack_options_t, jack_status_t* status, ...)
{
if (status != NULL)
*status = JackNoError;

return gLastJackClient;
}

int jack_client_close(jack_client_t* client)
{
carla_zeroStruct(client, 1);
return 0;
}

// -----------------------------------------------------------------------
// Jaaa Plugin

class JaaaPlugin : public NativePluginClass
{
public:
enum Parameters {
kParameterInput = 0,
kParameterCount
};

JaaaPlugin(const NativeHostDescriptor* const host)
: NativePluginClass(host),
fJackClient(),
fMutex(),
xrm(),
itcc(nullptr),
driver(nullptr),
display(nullptr),
rootwin(nullptr),
mainwin(nullptr),
xhandler(nullptr),
leakDetector_JaaaPlugin()
{
CARLA_SAFE_ASSERT(host != nullptr);

int argc = 1;
char* argv[] = { (char*)"jaaa" };
xrm.init(&argc, argv, (char*)"jaaa", nullptr, 0);

fParameters[kParameterInput] = 1.0f;
}

// -------------------------------------------------------------------
// Plugin parameter calls

uint32_t getParameterCount() const override
{
return kParameterCount;
}

const NativeParameter* getParameterInfo(const uint32_t index) const override
{
CARLA_SAFE_ASSERT_RETURN(index < kParameterCount, nullptr);

static NativeParameter param;

int hints = NATIVE_PARAMETER_IS_ENABLED|NATIVE_PARAMETER_IS_AUTOMABLE;

// reset
param.name = nullptr;
param.unit = nullptr;
param.ranges.def = 0.0f;
param.ranges.min = 0.0f;
param.ranges.max = 1.0f;
param.ranges.step = 1.0f;
param.ranges.stepSmall = 1.0f;
param.ranges.stepLarge = 1.0f;
param.scalePointCount = 0;
param.scalePoints = nullptr;

switch (index)
{
case kParameterInput:
hints |= NATIVE_PARAMETER_IS_INTEGER;
param.name = "Input";
param.ranges.def = 1.0f;
param.ranges.min = 1.0f;
param.ranges.max = 8.0f;
break;
}

param.hints = static_cast<NativeParameterHints>(hints);

return &param;
}

float getParameterValue(const uint32_t index) const override
{
CARLA_SAFE_ASSERT_RETURN(index < kParameterCount, 0.0f);

return fParameters[index];
}

// -------------------------------------------------------------------
// Plugin state calls

void setParameterValue(const uint32_t index, const float value) override
{
CARLA_SAFE_ASSERT_RETURN(index < kParameterCount,);

fParameters[index] = value;
}

// -------------------------------------------------------------------
// Plugin process calls

void process(float** const inBuffer, float** const outBuffer, const uint32_t frames, const NativeMidiEvent* const, const uint32_t) override
{
const CarlaMutexTryLocker cmtl(fMutex);

if (itcc == nullptr || ! fJackClient.active || ! cmtl.wasLocked())
{
const int iframes(static_cast<int>(frames));

for (int i=0; i<8; ++i)
FloatVectorOperations::clear(outBuffer[i], iframes);

return;
}

for (int i=0; i<8; ++i)
fJackClient.portsAudioIn[i]->buffer = inBuffer[i];

for (int i=0; i<8; ++i)
fJackClient.portsAudioOut[i]->buffer = outBuffer[i];

fJackClient.processCallback(frames, fJackClient.processPtr);
}

// -------------------------------------------------------------------
// Plugin UI calls

void uiShow(const bool show) override
{
const CarlaMutexLocker cml(fMutex);

if (show)
{
if (itcc == nullptr)
{
carla_zeroStruct(fJackClient);
gLastJackClient = &fJackClient;

fJackClient.clientName = getUiName();
fJackClient.bufferSize = getBufferSize();
fJackClient.sampleRate = getSampleRate();

itcc = new ITC_ctrl();
driver = new Audio(itcc, getUiName());
driver->init_jack(nullptr);

display = new X_display(nullptr);

if (display->dpy() == nullptr)
{
driver = nullptr;
itcc = nullptr;
return hostUiUnavailable();
}

init_styles(display, &xrm);

rootwin = new X_rootwin(display);
mainwin = new Spectwin(rootwin, &xrm, driver);
xhandler = new X_handler(display, itcc, EV_X11);

if (const uintptr_t winId = getUiParentId())
XSetTransientForHint(display->dpy(), mainwin->win(), static_cast<Window>(winId));
}

xhandler->next_event();
XFlush(display->dpy());
}
else
{
xhandler = nullptr;
mainwin = nullptr;
rootwin = nullptr;
display = nullptr;
driver = nullptr;
itcc = nullptr;
carla_zeroStruct(fJackClient);
}
}

void uiIdle() override
{
if (itcc == nullptr)
return;

//for (int i=3; --i>=0;)
{
switch (itcc->get_event())
{
case EV_TRIG:
mainwin->handle_trig();
rootwin->handle_event();
XFlush(display->dpy());
break;

case EV_MESG:
mainwin->handle_mesg(itcc->get_message());
rootwin->handle_event();
XFlush(display->dpy());
break;

case EV_X11:
rootwin->handle_event();
xhandler->next_event();
break;
}
}

// check if parameters were updated
if (mainwin->_input+1 != static_cast<int>(fParameters[kParameterInput]))
{
fParameters[kParameterInput] = mainwin->_input+1;
uiParameterChanged(kParameterInput, fParameters[kParameterInput]);
}

// check if UI was closed
if (! mainwin->running())
{
{
const CarlaMutexLocker cml(fMutex);
xhandler = nullptr;
mainwin = nullptr;
rootwin = nullptr;
display = nullptr;
driver = nullptr;
itcc = nullptr;
carla_zeroStruct(fJackClient);
}
uiClosed();
return;
}
}

void uiSetParameterValue(const uint32_t index, const float value) override
{
CARLA_SAFE_ASSERT_RETURN(index < kParameterCount,);

const CarlaMutexLocker cml(fMutex);

if (itcc == nullptr)
return;

switch (index)
{
case kParameterInput:
mainwin->set_input(static_cast<int>(value)-1);
break;
}
}

// -------------------------------------------------------------------
// Plugin dispatcher calls

void bufferSizeChanged(const uint32_t bufferSize) override
{
fJackClient.bufferSize = bufferSize;
}

void sampleRateChanged(const double sampleRate) override
{
fJackClient.sampleRate = sampleRate;
}

// -------------------------------------------------------------------

private:
// Fake jack client
jack_client_t fJackClient;

// Mutex just in case
CarlaMutex fMutex;

// Zita stuff (core)
X_resman xrm;
ScopedPointer<ITC_ctrl> itcc;
ScopedPointer<Audio> driver;
ScopedPointer<X_display> display;
ScopedPointer<X_rootwin> rootwin;
ScopedPointer<Spectwin> mainwin;
ScopedPointer<X_handler> xhandler;

float fParameters[kParameterCount];

PluginClassEND(JaaaPlugin)
CARLA_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR(JaaaPlugin)
};

// -----------------------------------------------------------------------

static const NativePluginDescriptor jaaaDesc = {
/* category */ NATIVE_PLUGIN_CATEGORY_UTILITY,
/* hints */ static_cast<NativePluginHints>(NATIVE_PLUGIN_IS_RTSAFE
|NATIVE_PLUGIN_HAS_UI
|NATIVE_PLUGIN_NEEDS_FIXED_BUFFERS
|NATIVE_PLUGIN_NEEDS_UI_MAIN_THREAD
|NATIVE_PLUGIN_USES_PARENT_ID),
/* supports */ static_cast<NativePluginSupports>(0x0),
/* audioIns */ 8,
/* audioOuts */ 8,
/* midiIns */ 0,
/* midiOuts */ 0,
/* paramIns */ JaaaPlugin::kParameterCount,
/* paramOuts */ 0,
/* name */ "Jaaa",
/* label */ "jaaa",
/* maker */ "Fons Adriaensen",
/* copyright */ "GPL v2+",
PluginDescriptorFILL(JaaaPlugin)
};

// -----------------------------------------------------------------------

CARLA_EXPORT
void carla_register_native_plugin_zita_jaaa();

CARLA_EXPORT
void carla_register_native_plugin_zita_jaaa()
{
carla_register_native_plugin(&jaaaDesc);
}

// -----------------------------------------------------------------------

+ 1
- 0
source/native-plugins/zita-jaaa/AUTHORS View File

@@ -0,0 +1 @@
Fons Adriaensen <fons@linuxaudio.org>

+ 340
- 0
source/native-plugins/zita-jaaa/COPYING View File

@@ -0,0 +1,340 @@
GNU GENERAL PUBLIC LICENSE
Version 2, June 1991

Copyright (C) 1989, 1991 Free Software Foundation, Inc.
59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
Everyone is permitted to copy and distribute verbatim copies
of this license document, but changing it is not allowed.

Preamble

The licenses for most software are designed to take away your
freedom to share and change it. By contrast, the GNU General Public
License is intended to guarantee your freedom to share and change free
software--to make sure the software is free for all its users. This
General Public License applies to most of the Free Software
Foundation's software and to any other program whose authors commit to
using it. (Some other Free Software Foundation software is covered by
the GNU Library General Public License instead.) You can apply it to
your programs, too.

When we speak of free software, we are referring to freedom, not
price. Our General Public Licenses are designed to make sure that you
have the freedom to distribute copies of free software (and charge for
this service if you wish), that you receive source code or can get it
if you want it, that you can change the software or use pieces of it
in new free programs; and that you know you can do these things.

To protect your rights, we need to make restrictions that forbid
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These restrictions translate to certain responsibilities for you if you
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For example, if you distribute copies of such a program, whether
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9. The Free Software Foundation may publish revised and/or new versions
of the General Public License from time to time. Such new versions will
be similar in spirit to the present version, but may differ in detail to
address new problems or concerns.

Each version is given a distinguishing version number. If the Program
specifies a version number of this License which applies to it and "any
later version", you have the option of following the terms and conditions
either of that version or of any later version published by the Free
Software Foundation. If the Program does not specify a version number of
this License, you may choose any version ever published by the Free Software
Foundation.

10. If you wish to incorporate parts of the Program into other free
programs whose distribution conditions are different, write to the author
to ask for permission. For software which is copyrighted by the Free
Software Foundation, write to the Free Software Foundation; we sometimes
make exceptions for this. Our decision will be guided by the two goals
of preserving the free status of all derivatives of our free software and
of promoting the sharing and reuse of software generally.

NO WARRANTY

11. BECAUSE THE PROGRAM IS LICENSED FREE OF CHARGE, THERE IS NO WARRANTY
FOR THE PROGRAM, TO THE EXTENT PERMITTED BY APPLICABLE LAW. EXCEPT WHEN
OTHERWISE STATED IN WRITING THE COPYRIGHT HOLDERS AND/OR OTHER PARTIES
PROVIDE THE PROGRAM "AS IS" WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESSED
OR IMPLIED, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. THE ENTIRE RISK AS
TO THE QUALITY AND PERFORMANCE OF THE PROGRAM IS WITH YOU. SHOULD THE
PROGRAM PROVE DEFECTIVE, YOU ASSUME THE COST OF ALL NECESSARY SERVICING,
REPAIR OR CORRECTION.

12. IN NO EVENT UNLESS REQUIRED BY APPLICABLE LAW OR AGREED TO IN WRITING
WILL ANY COPYRIGHT HOLDER, OR ANY OTHER PARTY WHO MAY MODIFY AND/OR
REDISTRIBUTE THE PROGRAM AS PERMITTED ABOVE, BE LIABLE TO YOU FOR DAMAGES,
INCLUDING ANY GENERAL, SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES ARISING
OUT OF THE USE OR INABILITY TO USE THE PROGRAM (INCLUDING BUT NOT LIMITED
TO LOSS OF DATA OR DATA BEING RENDERED INACCURATE OR LOSSES SUSTAINED BY
YOU OR THIRD PARTIES OR A FAILURE OF THE PROGRAM TO OPERATE WITH ANY OTHER
PROGRAMS), EVEN IF SUCH HOLDER OR OTHER PARTY HAS BEEN ADVISED OF THE
POSSIBILITY OF SUCH DAMAGES.

END OF TERMS AND CONDITIONS
How to Apply These Terms to Your New Programs

If you develop a new program, and you want it to be of the greatest
possible use to the public, the best way to achieve this is to make it
free software which everyone can redistribute and change under these terms.

To do so, attach the following notices to the program. It is safest
to attach them to the start of each source file to most effectively
convey the exclusion of warranty; and each file should have at least
the "copyright" line and a pointer to where the full notice is found.

<one line to give the program's name and a brief idea of what it does.>
Copyright (C) <year> <name of author>

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
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.

This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.

You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA


Also add information on how to contact you by electronic and paper mail.

If the program is interactive, make it output a short notice like this
when it starts in an interactive mode:

Gnomovision version 69, Copyright (C) year name of author
Gnomovision comes with ABSOLUTELY NO WARRANTY; for details type `show w'.
This is free software, and you are welcome to redistribute it
under certain conditions; type `show c' for details.

The hypothetical commands `show w' and `show c' should show the appropriate
parts of the General Public License. Of course, the commands you use may
be called something other than `show w' and `show c'; they could even be
mouse-clicks or menu items--whatever suits your program.

You should also get your employer (if you work as a programmer) or your
school, if any, to sign a "copyright disclaimer" for the program, if
necessary. Here is a sample; alter the names:

Yoyodyne, Inc., hereby disclaims all copyright interest in the program
`Gnomovision' (which makes passes at compilers) written by James Hacker.

<signature of Ty Coon>, 1 April 1989
Ty Coon, President of Vice

This General Public License does not permit incorporating your program into
proprietary programs. If your program is a subroutine library, you may
consider it more useful to permit linking proprietary applications with the
library. If this is what you want to do, use the GNU Library General
Public License instead of this License.

+ 16
- 0
source/native-plugins/zita-jaaa/INSTALL View File

@@ -0,0 +1,16 @@
To install, cd to this directory, make, sudo make install

You need the shared libraries:

libzita-alsa-pcmi.0.2.0
libclthreads.so.2.4.0
libclxclient.so.3.9.0
and the corresponding header files installed. These are available at
<http://kokkinizita.linuxaudio.org/linuxaudio/downloads/index.html>

You also need libfftw3f, which comes with most Linux distributions.

--
FA


+ 101
- 0
source/native-plugins/zita-jaaa/README View File

@@ -0,0 +1,101 @@
JAAA -- Quick manual
____________________


Some buttons will light up yellow when you click on them,
and there will be at most one of those active at any time.
This indicates the 'current parameter', which in most
cases can be modified in a number of ways:

- by typing a new value into the text widget, followed by ENTER,
- by using the '<' or '>' buttons to decrement or increment,
- by using the mouse wheel,
- by mouse gestures inside the display area.

Input
-----

Select on of the four inputs.


Frequency and Amplitude
-----------------------

Frequency:

'Min' and 'Max' set the min and max displayed frequencies.
If either of these is selected then
a horizontal Drag Left changes 'Min',
a horizontal Drag Right changes 'Max'.
'Cent' is the frequency at the middle of the x-axis.
'Span' is 'Max' - 'Min', changing this value preserves 'Cent'.
If either of these is selected then
a horizontal Drag Left changes 'Cent',
a horizontal Drag Right changes 'Span'.

'Cent' can also be set by Clicking in the frequency axis scale.
Amplitude:

'Max' is the maximum value on the y-axis.
'Range' is the range of the y-axis.
If either of these is selected then
a vertical Drag Left changes 'Max',
a vertical Drag Right changes 'Range',

So for the last four mouse gestures, a Drag Left will scroll the
display, while a Drag Right will zoom in or out. Maybe I will add
and automatic selection of the axis based on the direction of the
mouse gesture.

Analyser
--------

The analyser is based on a windowed FFT. Actually the windowing is performed
by convolution after the FFT, and combined with interpolation. The windowing
and interpolation ensure that displayed peaks will be accurate to 0.25 dB even
if the peak falls between the FFT bins. More accurate measurements can be made
using the markers (see below).

'Bandw' sets the FFT length, and hence the bandwidth of the analyser. Depending
on this value, the size of the display and the frequency range, you may sometimes
see two traces. This happens when the resolution of the analyser is better than the
display, so that one pixel contains more than one analyser value. In that case, the
dark blue trace is the peak value over the frequency range represented by each pixel,
and lighter one is the average value. The first one is correct for discrete frequencies,
and the latter should be used to read noise densities.
There is no mouse gesture to change the bandwidth.

'VidAv' or video average, when switched on, averages the measured energy over time.
This is mainly used to measure noise. The averaging lenght increases over time, to
a maxumum of 1000 iterations. Changing the input or bandwidth resets and restarts
the averaging.

'Freeze' freezes the analyser, but not the display, so you can still scroll and
zoom or use the markers discussed below.


Markers
-------

Markers are used in order to accurately read off values in the display. There can be
up to two markers, set by clicking at the desired frequency inside the display.
When there are two markers, the second one will move with each click, while the first
remains fixed. Measured values for the two markers, and their difference in frequency
and level are displayed in the upper left corner of the display.

'Clear' clears the markers.

When 'Peak' is selected, clicking inside the display will set a marker at the nearest
peak. The exact frequency and level of the peak are found by interpolation, so the
frequency can be much more accurate than the FFT step, and the level corresponds to
the true peak value regardless of display or analyser resolution.

When 'Noise' is selected, clicking inside the display will set a noise marker.
The noise density (energy per Hz) is calculated and displayed.


+ 49
- 0
source/native-plugins/zita-jaaa/source/Makefile View File

@@ -0,0 +1,49 @@
# --------------------------------------------------------------------------
#
# Copyright (C) 2004-2013 Fons Adriaensen <fons@linuxaudio.org>
#
# 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
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
#
# --------------------------------------------------------------------------


PREFIX = /usr/local
SUFFIX := $(shell uname -m | sed -e 's/^unknown/$//' -e 's/^i.86/$//' -e 's/^x86_64/$/64/')
LIBDIR = lib$(SUFFIX)
VERSION = 0.8.4
CPPFLAGS += -DVERSION=\"$(VERSION)\" -DPREFIX=\"$(PREFIX)\" -I/usr/include/freetype2
CXXFLAGS += -O2 -Wall -MMD -MP
CXXFLAGS += -march=native
LDFLAGS += -L/usr/X11R6/$(LIBDIR)
LDLIBS += -lzita-alsa-pcmi -lclthreads -lclxclient -lpthread -lfftw3f -ljack -lasound -lpthread -lXft -lX11 -lrt


JAAA_O = jaaa.o styles.o spectwin.o audio.o rngen.o
jaaa: $(JAAA_O)
g++ $(LDFLAGS) -o $@ $(JAAA_O) $(LDLIBS)

$(JAAA_O):
-include $(JAAA_O:%.o=%.d)


install: jaaa
install -Dm 755 jaaa $(DESTDIR)$(PREFIX)/bin/jaaa

uninstall:
rm -f $(DESTDIR)$(PREFIX)/bin/jaaa

clean:
/bin/rm -f *~ *.o *.a *.d *.so jaaa


+ 261
- 0
source/native-plugins/zita-jaaa/source/audio.cc View File

@@ -0,0 +1,261 @@
// -------------------------------------------------------------------------
//
// Copyright (C) 2004-2013 Fons Adriaensen <fons@linuxaudio.org>
//
// 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
// the Free Software Foundation; either version 2 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program; if not, write to the Free Software
// Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
//
// -------------------------------------------------------------------------


#include <math.h>
#include "audio.h"
#include "messages.h"


Audio::Audio (ITC_ctrl *cmain, const char *name) :
A_thread ("Audio"),
_name (name),
_cmain (cmain),
_run_jack (0),
_ncapt (8),
_nplay (8),
_input (-1),
_data (0),
_outs (0)
{
}


Audio::~Audio (void)
{
if (_run_jack) close_jack ();
delete[] _outs;
}


void Audio::init (void)
{
int i;

for (i = 0; i < LSINE; i++)
{
_sine [i] = sin (2 * M_PI * i / LSINE);
}
_sine [LSINE] = 0;
_g_bits = 0;
_a_noise = 0.0;
_a_sine = 0.0;
_f_sine = 0.0;
_p_sine = 0.0;
}


void Audio::thr_main (void)
{
put_event (EV_EXIT);
}


void Audio::init_jack (const char *server)
{
char s [16];
int opts;
jack_status_t stat;

opts = JackNoStartServer;
if (server) opts |= JackServerName;
if ((_jack_handle = jack_client_open (_name, (jack_options_t) opts, &stat, server)) == 0)
{
fprintf (stderr, "Can't connect to JACK\n");
exit (1);
}

jack_set_process_callback (_jack_handle, jack_static_callback, (void *)this);
jack_on_shutdown (_jack_handle, jack_static_shutdown, (void *)this);

for (int i = 0; i < _nplay; i++)
{
sprintf(s, "out_%d", i + 1);
_jack_out [i] = jack_port_register (_jack_handle, s, JACK_DEFAULT_AUDIO_TYPE, JackPortIsOutput, 0);
}
for (int i = 0; i < _ncapt; i++)
{
sprintf(s, "in_%d", i + 1);
_jack_in [i] = jack_port_register (_jack_handle, s, JACK_DEFAULT_AUDIO_TYPE, JackPortIsInput, 0);
}

_outs = new float [4096];
init ();
if (jack_activate (_jack_handle))
{
fprintf(stderr, "Can't activate JACK");
exit (1);
}

_fsamp = jack_get_sample_rate (_jack_handle);
_fsize = jack_get_buffer_size (_jack_handle);
_name = jack_get_client_name (_jack_handle);
_run_jack = true;
_cmain->put_event (EV_MESG, new M_jinfo (_fsamp, _fsize, _name));
}


void Audio::close_jack ()
{
jack_deactivate (_jack_handle);
for (int i = 0; i < _nplay; i++) jack_port_unregister(_jack_handle, _jack_out[i]);
for (int i = 0; i < _ncapt; i++) jack_port_unregister(_jack_handle, _jack_in[i]);
jack_client_close (_jack_handle);
}


void Audio::jack_static_shutdown (void *arg)
{
return ((Audio *) arg)->jack_shutdown ();
}


void Audio::jack_shutdown (void)
{
_cmain->put_event (EV_JACK);
}


int Audio::jack_static_callback (jack_nframes_t nframes, void *arg)
{
return ((Audio *) arg)->jack_callback (nframes);
}


int Audio::jack_callback (jack_nframes_t nframes)
{
unsigned long b, m, n;
int i;
float *p;
if (_data && _input >= 0)
{
p = (float *)(jack_port_get_buffer (_jack_in [_input], nframes));
m = nframes;
n = _size - _dind;
if (m >= n)
{
memcpy (_data + _dind, p, sizeof(jack_default_audio_sample_t) * n);
_dind = 0;
p += n;
m -= n;
}
if (m)
{
memcpy (_data + _dind, p, sizeof(jack_default_audio_sample_t) * m);
_dind += m;
}
_scnt += nframes;
}

generate (nframes);
b = _g_bits & 255;
for (i = 0; i < _nplay; i++, b >>= 1)
{
p = (float *)(jack_port_get_buffer (_jack_out [i], nframes));
if (b & 1) memcpy (p, _outs, sizeof(jack_default_audio_sample_t) * nframes);
else memset (p, 0, sizeof(jack_default_audio_sample_t) * nframes);
}

process ();

return 0;
}


void Audio::process (void)
{
int k;
ITC_mesg *M;

if (_data)
{
k = _scnt / _step;
if (k && _cmain->put_event_try (EV_TRIG, k) == ITC_ctrl::NO_ERROR) _scnt -= k * _step;
}
if (get_event_nowait (1 << EV_MESG) == EV_MESG)
{
M = get_message ();
if (M->type () == M_BUFFP)
{
M_buffp *Z = (M_buffp *) M;
_data = Z->_data;
_size = Z->_size;
_step = Z->_step;
_dind = 0;
_scnt = 0;
}
else if (M->type () == M_INPUT)
{
M_input *Z = (M_input *) M;
_input = Z->_input;
if (_input >= _ncapt) _input = -1;
}
else if (M->type () == M_GENPAR)
{
M_genpar *Z = (M_genpar *) M;
_g_bits = Z->_g_bits;
_a_noise = sqrt (0.5) * pow (10.0, 0.05 * Z->_a_noise);
_a_sine = pow (10.0, 0.05 * Z->_a_sine);
_f_sine = LSINE * Z->_f_sine / _fsamp;
}
M->recover ();
}
}


void Audio::generate (int size)
{
int i, j;
float a, p, r;

if (size > 4096) size = 4096;

memset (_outs, 0, size * sizeof (float));

if (_g_bits & M_genpar::WNOISE)
{
for (i = 0; i < size; i++)
{
_outs [i] += _a_noise * _rngen.grandf ();
}
}
if (_g_bits & M_genpar::SINE)
{
p = _p_sine;
for (i = 0; i < size; i++)
{
j = (int) p;
if (j == LSINE) a = 0;
else
{
r = p - j;
a = (1.0 - r) * _sine [j] + r * _sine [j + 1];
}
_outs [i] += _a_sine * a;
p += _f_sine;
if (p >= LSINE) p -= LSINE;
}
_p_sine = p;
}
}

+ 81
- 0
source/native-plugins/zita-jaaa/source/audio.h View File

@@ -0,0 +1,81 @@
// -------------------------------------------------------------------------
//
// Copyright (C) 2004-2013 Fons Adriaensen <fons@linuxaudio.org>
//
// 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
// the Free Software Foundation; either version 2 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program; if not, write to the Free Software
// Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
//
// -------------------------------------------------------------------------


#include <stdlib.h>
#include <math.h>
#include <clthreads.h>
#include "CarlaNativeJack.h"
#include "rngen.h"


class Audio : public A_thread
{
public:

Audio (ITC_ctrl *cmain, const char *name);
virtual ~Audio (void);

void init_jack (const char *server);

private:

enum { LSINE = 4096, LRAND = 4096, MRAND = LRAND - 1 };

virtual void thr_main (void);
void init (void);
void process (void);
void generate (int size);
void close_jack (void);
void jack_shutdown (void);
int jack_callback (jack_nframes_t nframes);

const char *_name;
ITC_ctrl *_cmain;

volatile bool _run_jack;
jack_client_t *_jack_handle;
jack_port_t *_jack_in [8];
jack_port_t *_jack_out [8];

unsigned long _fsamp;
unsigned long _fsize;
int _ncapt;
int _nplay;
int _input;
float *_data;
int _dind;
int _size;
int _step;
int _scnt;
float _sine [LSINE + 1];
float *_outs;
int _g_bits;
float _a_noise;
float _a_sine;
float _f_sine;
float _p_sine;
Rngen _rngen;
static void jack_static_shutdown (void *arg);
static int jack_static_callback (jack_nframes_t nframes, void *arg);
};



+ 175
- 0
source/native-plugins/zita-jaaa/source/jaaa.cc View File

@@ -0,0 +1,175 @@
// -------------------------------------------------------------------------
//
// Copyright (C) 2004-2013 Fons Adriaensen <fons@linuxaudio.org>
//
// 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
// the Free Software Foundation; either version 2 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program; if not, write to the Free Software
// Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
//
// -------------------------------------------------------------------------


#include <stdlib.h>
#include <stdio.h>
#include <clthreads.h>
#include <clxclient.h>
#include <sys/mman.h>
#include "messages.h"
#include "spectwin.h"
#include "audio.h"


#define NOPTS 10
#define CP (char *)


XrmOptionDescRec options [NOPTS] =
{
{CP"-h", CP".help", XrmoptionNoArg, CP"true" },
{CP"-J", CP".jack", XrmoptionNoArg, CP"true" },
{CP"-s", CP".server", XrmoptionSepArg, 0 },
{CP"-A", CP".alsa", XrmoptionNoArg, CP"true" },
{CP"-d", CP".device", XrmoptionSepArg, 0 },
{CP"-C", CP".capture", XrmoptionSepArg, 0 },
{CP"-P", CP".playback", XrmoptionSepArg, 0 },
{CP"-r", CP".fsamp", XrmoptionSepArg, 0 },
{CP"-p", CP".period", XrmoptionSepArg, 0 },
{CP"-n", CP".nfrags", XrmoptionSepArg, 0 }
};


static void help (void)
{
fprintf (stderr, "\nJaaa-%s\n\n", VERSION);
fprintf (stderr, " (C) 2004-2010 Fons Adriaensen <fons@kokkinizita.net>\n\n");
fprintf (stderr, "Options:\n");
fprintf (stderr, " -h Display this text\n");
fprintf (stderr, " -name <name> Jack and X11 name\n");
fprintf (stderr, " -J Use JACK, with options:\n");
fprintf (stderr, " -s <server> Select Jack server\n");
fprintf (stderr, " -A Use ALSA, with options:\n");
fprintf (stderr, " -d <device> Alsa device [hw:0]\n");
fprintf (stderr, " -C <device> Capture device\n");
fprintf (stderr, " -P <device> Playback device\n");
fprintf (stderr, " -r <rate> Sample frequency [48000]\n");
fprintf (stderr, " -p <period> Period size [1024]\n");
fprintf (stderr, " -n <nfrags> Number of fragments [2]\n\n");
fprintf (stderr, " Either -J or -A is required.\n\n");
exit (1);
}


int main (int argc, char *argv [])
{
X_resman xrm;
X_display *display;
X_handler *xhandler;
X_rootwin *rootwin;
Spectwin *mainwin;
Audio *driver;
ITC_ctrl itcc;

// Initialse resource database
xrm.init (&argc, argv, CP"jaaa", options, NOPTS);
if (xrm.getb (".help", 0)) help ();
// Open display
display = new X_display (xrm.get (".display", 0));
if (display->dpy () == 0)
{
fprintf (stderr, "Can't open display !\n");
delete display;
exit (1);
}
// Open audio interface
driver = new Audio (&itcc, xrm.rname ());

if (xrm.getb (".jack", 0))
{
driver->init_jack (xrm.get (".server", 0));
}
else if (xrm.getb (".alsa", 0))
{
const char *p, *adev, *capt, *play;
int fsamp, period, nfrags;

p = xrm.get (".fsamp", 0);
if (! p || sscanf (p, "%d", &fsamp) != 1) fsamp = 48000;
p = xrm.get (".period", 0);
if (! p || sscanf (p, "%d", &period) != 1) period = 1024;
p = xrm.get (".nfrags", 0);
if (! p || sscanf (p, "%d", &nfrags) != 1) nfrags = 2;
adev = xrm.get (".device", "hw:0");
capt = xrm.get (".capture", 0);
play = xrm.get (".playback", 0);
if (!capt && !play) capt = play = adev;
driver->init_alsa (play, capt, fsamp, period, nfrags, 4, 4);
}
else help ();

// Initialise resources and create windows
init_styles (display, &xrm);
rootwin = new X_rootwin (display);
mainwin = new Spectwin (rootwin, &xrm, driver);

// Create X handler
xhandler = new X_handler (display, &itcc, EV_X11);
xhandler->next_event ();
XFlush (display->dpy ());

// Try to lock memory
if (mlockall (MCL_CURRENT | MCL_FUTURE))
{
fprintf (stderr, "Warning: memory lock failed.\n");
}

// Enter main loop
while (mainwin->running ())
{
switch (itcc.get_event ())
{
case EV_TRIG:
mainwin->handle_trig ();
rootwin->handle_event ();
XFlush (display->dpy ());
break;

case EV_JACK:
mainwin->handle_term ();
break;

case EV_MESG:
mainwin->handle_mesg (itcc.get_message ());
rootwin->handle_event ();
XFlush (display->dpy ());
break;

case EV_X11:
rootwin->handle_event ();
xhandler->next_event ();
break;
}
}

// Cleanup
delete xhandler;
delete driver;
delete mainwin;
delete rootwin;
delete display;

return 0;
}




+ 98
- 0
source/native-plugins/zita-jaaa/source/messages.h View File

@@ -0,0 +1,98 @@
// -------------------------------------------------------------------------
//
// Copyright (C) 2004-2013 Fons Adriaensen <fons@linuxaudio.org>
//
// 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
// the Free Software Foundation; either version 2 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program; if not, write to the Free Software
// Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
//
// -------------------------------------------------------------------------


#ifndef __MESSAGES_H
#define __MESSAGES_H


#include <clthreads.h>


#define EV_MESG 0
#define EV_X11 16
#define EV_JACK 29
#define EV_TRIG 30
#define EV_EXIT 31

#define M_BUFFP 1
#define M_INPUT 2
#define M_JINFO 3
#define M_GENPAR 4


class M_buffp : public ITC_mesg
{
public:

M_buffp (float *data, int size, int step) :
ITC_mesg (M_BUFFP),
_data (data),
_size (size),
_step (step) {}

float *_data;
int _size;
int _step;
};

class M_input : public ITC_mesg
{
public:

M_input (int input) :
ITC_mesg (M_INPUT),
_input (input) {}

int _input;
};

class M_jinfo : public ITC_mesg
{
public:

M_jinfo (unsigned long fsamp, unsigned long fsize, const char *jname) :
ITC_mesg (M_JINFO),
_fsamp (fsamp),
_fsize (fsize),
_jname (jname) {}

unsigned long _fsamp;
unsigned long _fsize;
const char *_jname;
};

class M_genpar : public ITC_mesg
{
public:

enum { WNOISE = 256, SINE = 512 };

M_genpar (void) :
ITC_mesg (M_GENPAR) {}

int _g_bits;
float _a_noise;
float _a_sine;
float _f_sine;
};


#endif

+ 265
- 0
source/native-plugins/zita-jaaa/source/prbsgen.h View File

@@ -0,0 +1,265 @@
// ----------------------------------------------------------------------
//
// Copyright (C) 2003-2010 Fons Adriaensen <fons@linuxaudio.org>
//
// 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
// the Free Software Foundation; either version 2 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program; if not, write to the Free Software
// Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
//
// ----------------------------------------------------------------------


#ifndef __PRBSGEN_H
#define __PRBSGEN_H


#include <assert.h>
#include <sys/types.h>
#include <stdint.h>


//---------------------------------------------------------------------------
//
// Description:
// Pseudo random binary sequence generator using polynomial
// division in GF (2).
//
// There are two ways to built such a generator. Both use some
// form of shift register.
//
// 1. The first type feeds back the parity (XOR) of the taps corresponding to
// the non-zero elements of the polynomial into the input of the register.
// This is the most efficient way to do it in hardware.
//
// 2. In the seond form, when the bit shifted out is 1, the contents of the
// register are XORed with a bit pattern representing the polynomial.
// This is the best way to do it in software.
//
// Mutatis mutandis the two forms are equivalent. Any sequence that can be
// generated by one of the realisations can also be produced by the other.
// This software obviously uses the second form. It can use any polynomial
// up to (and including) a degree of 32.
//
//
// set_poly (p)
//
// Defines the polynomial to be used. The value of p is found from the
// sequence of coefficients (0 or 1) of the polynomial starting with the
// constant term, and dropping the highest one
//
// 0 1 2 3 4 5 6 7
// Example: P = x^7 + x^6 + 1 --> 1 0 0 0 0 0 1 1 --> 1000001 --> 0x41
//
// To emulate the first form described above, start with the highest
// exponent and drop the constant term.
//
// 7 6 5 4 3 2 1 0
// Example: P = x^7 + x^6 + 1 --> 1 1 0 0 0 0 0 1 --> 1100000 --> 0x60
//
// Also sets the state to all ones.
//
//
// set_state (x)
//
// Sets the initial state to x.
//
//
// step ()
//
// Returns the next pseudo random bit.
//
//
// sync_forw (x)
//
// This sets the generator in a state as if the last N (= degree) bits
// were those defined by x (the LSB of x represents the oldest bit).
// This can be used to synchronise a BER counter to a received bit stream,
// or to set the initial state when emulating a generator of the first form
// when the output is taken from the feedback.
//
//
// sync_back (x)
//
// This sets the generator in a state so that the first N (= degree) output
// bits will be those defined by x (the LSB of x will be the first output bit).
// This can be used to set the initial state when emulating a generator of
// the first form when the output is taken from the shifted out bit.
//
//
//---------------------------------------------------------------------------==


class Prbsgen
{
public:

enum
{
// Some polynomials for maximum length seqeunces.
G7 = 0x00000041,
G8 = 0x0000008E,
G15 = 0x00004001,
G16 = 0x00008016,
G23 = 0x00400010,
G24 = 0x0080000D,
G31 = 0x40000004,
G32 = 0x80000057,
};

Prbsgen (void);

void set_poly (uint32_t poly);
void set_stat (uint32_t stat);
void sync_forw (uint32_t bits);
void sync_back (uint32_t bits);
int step (void);
void crc_in (int b);
int crc_out (void);

uint32_t stat (void) const;
uint32_t poly (void) const;
uint32_t mask (void) const;
uint32_t hbit (void) const;
int degr (void) const;

~Prbsgen (void);

private:
uint32_t _stat;
uint32_t _poly;
uint32_t _mask;
uint32_t _hbit;
int _degr;

};


inline Prbsgen::Prbsgen (void)
: _stat (0), _poly (0), _mask (0), _degr (0)
{
}


inline Prbsgen::~Prbsgen (void)
{
}


inline void Prbsgen::set_poly (uint32_t poly)
{
assert (poly != 0);

_poly = poly;
_mask = 0;
_degr = 0;
while (_mask < _poly)
{
_mask = (_mask << 1) | 1;
_degr += 1;
}
_stat = _mask;
_hbit = (_mask >> 1) + 1;
}


inline void Prbsgen::set_stat (uint32_t stat)
{
assert (_poly != 0);

_stat = stat & _mask;

assert (_stat != 0);
}


inline int Prbsgen::step (void)
{
int bit;

assert (_poly != 0);

bit = _stat & 1;
_stat >>= 1;
if (bit) _stat ^= _poly;

return bit;
}


inline void Prbsgen::sync_forw (uint32_t bits)
{
assert (_poly != 0);

for (int i = 0; i < _degr; i++)
{
_stat >>= 1;
if (bits & 1) _stat ^= _poly;
bits >>= 1;
}
}


inline void Prbsgen::sync_back (uint32_t bits)
{
assert (_poly != 0);

_stat = 0;
for (int h = _hbit; h; h >>= 1)
{
if (bits & h) _stat ^= _poly;
_stat <<= 1;
}
_stat ^= bits;
_stat &= _mask;
}


inline void Prbsgen::crc_in (int b)
{
int bit;

assert (_poly != 0);

bit = (_stat & 1) ^ b;
_stat >>= 1;
if (bit) _stat ^= _poly;
}


inline int Prbsgen::crc_out (void)
{
int bit;

assert (_poly != 0);

bit = (_stat & 1);
_stat >>= 1;
return bit;
}


inline uint32_t Prbsgen::stat (void) const { return _stat; }

inline uint32_t Prbsgen::poly (void) const { return _poly; }

inline uint32_t Prbsgen::mask (void) const { return _mask; }

inline uint32_t Prbsgen::hbit (void) const { return _hbit; }

inline int Prbsgen::degr (void) const { return _degr; }


#endif

+ 153
- 0
source/native-plugins/zita-jaaa/source/rngen.cc View File

@@ -0,0 +1,153 @@
// ----------------------------------------------------------------------
//
// Copyright (C) 2003-2010 Fons Adriaensen <fons@linuxaudio.org>
//
// 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
// the Free Software Foundation; either version 2 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program; if not, write to the Free Software
// Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
//
// ----------------------------------------------------------------------


#include <math.h>
#include <time.h>
#include "rngen.h"


const double Rngen::_p31 = 2147483648.0;
const double Rngen::_p32 = 4294967296.0;
const float Rngen::_p31f = 2147483648.0f;
const float Rngen::_p32f = 4294967296.0f;


Rngen::Rngen (void)
{
init (0);
}

Rngen::~Rngen (void)
{
}

void Rngen::init (uint32_t s)
{
int i, j;
Prbsgen G;

if (s == 0) s = time (0);

G.set_poly (Prbsgen::G32);
G.set_stat (s);

for (i = 0; i < 55; i++)
{
G.step ();
j = G.stat () & 4095;
while (j--) G.step ();
_a [i] = G.stat ();
}

_i = 0;
_md = false;
_mf = false;
}

double Rngen::grand (void)
{
double a, b, r;

if (_md)
{
_md = false;
return _vd;
}

do
{
a = irand () / _p31 - 1.0;
b = irand () / _p31 - 1.0;
r = a * a + b * b;
}
while ((r > 1.0) || (r < 1e-20));

r = sqrt (-2.0 * log (r) / r);
_md = true;
_vd = r * b;

return r * a;
}

void Rngen::grand (double *x, double *y)
{
double a, b, r;

do
{
a = irand () / _p31 - 1.0;
b = irand () / _p31 - 1.0;
r = a * a + b * b;
}
while ((r > 1.0) || (r < 1e-20));

r = sqrt (-log (r) / r);
*x = r * a;
*y = r * b;
}


float Rngen::grandf (void)
{
float a, b, r;

if (_mf)
{
_mf = false;
return _vf;
}

do
{
a = irand () / _p31f - 1.0f;
b = irand () / _p31f - 1.0f;
r = a * a + b * b;
}
while ((r > 1.0f) || (r < 1e-20f));

r = sqrtf (-2.0f * logf (r) / r);
_mf = true;
_vf = r * b;

return r * a;
}

void Rngen::grandf (float *x, float *y)
{
float a, b, r;

do
{
a = irand () / _p31f - 1.0f;
b = irand () / _p31f - 1.0f;
r = a * a + b * b;
}
while ((r > 1.0f) || (r < 1e-20f));

r = sqrtf (-logf (r) / r);
*x = r * a;
*y = r * b;
}

+ 74
- 0
source/native-plugins/zita-jaaa/source/rngen.h View File

@@ -0,0 +1,74 @@
// ----------------------------------------------------------------------
//
// Copyright (C) 2003-2010 Fons Adriaensen <fons@linuxaudio.org>
//
// 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
// the Free Software Foundation; either version 2 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program; if not, write to the Free Software
// Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
//
// ----------------------------------------------------------------------


#ifndef __RNGEN_H
#define __RNGEN_H


#include "prbsgen.h"


class Rngen
{
public:

Rngen (void);

void init (uint32_t seed);

uint32_t irand (void)
{
uint32_t r;

if (++_i == 55) _i = 0;
if (_i < 24) r = _a [_i] += _a [_i + 31];
else r = _a [_i] += _a [_i - 24];
return r;
}

double urand (void) { return irand () / _p32; }
double grand (void);
void grand (double *x, double *y);
float urandf (void) { return irand () / _p32f; }
float grandf (void);
void grandf (float *x, float *y);

~Rngen (void);
Rngen (const Rngen&); // disabled, not to be used
Rngen& operator=(const Rngen&); // disabled, not to be used

private:
uint32_t _a [55];
int _i;
bool _md;
bool _mf;
double _vd;
float _vf;

static const double _p31;
static const double _p32;
static const float _p31f;
static const float _p32f;
};


#endif

+ 1350
- 0
source/native-plugins/zita-jaaa/source/spectwin.cc
File diff suppressed because it is too large
View File


+ 209
- 0
source/native-plugins/zita-jaaa/source/spectwin.h View File

@@ -0,0 +1,209 @@
// -------------------------------------------------------------------------
//
// Copyright (C) 2004-2013 Fons Adriaensen <fons@linuxaudio.org>
//
// 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
// the Free Software Foundation; either version 2 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program; if not, write to the Free Software
// Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
//
// -------------------------------------------------------------------------


#ifndef __SPECTWIN_H
#define __SPECTWIN_H


#include <clxclient.h>
#include <clthreads.h>
#include <fftw3.h>
#include "styles.h"


#define XPOS 100
#define YPOS 100
#define XMIN 600
#define YMIN 430
#define XDEF 600
#define YDEF 450
#define XMAX 1200
#define YMAX 900
#define LMAR 40
#define RMAR 80
#define TMAR 8
#define BMAR 24


class Spectdata
{
public:

enum { MK1_SET = 1, MK1_NSE = 2, MK2_SET = 4, MK2_NSE = 8, RESET = 16, PEAKH = 32, FREEZE = 64, YP_VAL = 256, YM_VAL = 512 };

Spectdata (int size)
{
_yp = new float [size];
_ym = new float [size];
}
~Spectdata (void)
{
delete[] _yp;
delete[] _ym;
}

int _npix;
int _bits;
int _avcnt;
int _avmax;
float _bw;
float _f0;
float _f1;
float _mk1f;
float _mk1p;
float _mk2f;
float _mk2p;
char *_xf;
float *_yp;
float *_ym;
};


class Spectwin : public X_window, public X_callback
{
public:

Spectwin (X_window *parent, X_resman *xres, ITC_ctrl *audio);
~Spectwin (void);
bool running (void) const { return _running; }
void handle_trig (void);
void handle_term (void) { _running = 0; }
void handle_mesg (ITC_mesg *);
private:

enum
{
IP1, IP2, IP3, IP4,
IP5, IP6, IP7, IP8,
BANDW, VIDAV, PEAKH, FREEZ,
MCLR, MPEAK, MNSE,
FMIN, FMAX, FCENT, FSPAN,
AMAX, ASPAN,
BTUP, BTDN,
OP1, OP2, OP3, OP4,
OP5, OP6, OP7, OP8,
NSACT, SIACT,
NSLEV, SILEV, SFREQ,
NBUTT
};

enum
{
FFT_MIN = 256,
FFT_MAX = 1024 * 256,
BUF_LEN = 2 * FFT_MAX,
INP_MAX = BUF_LEN - FFT_MAX / 2,
INP_LEN = 4096
};

virtual void handle_event (XEvent *xe);
virtual void handle_callb (int, X_window*, _XEvent*);

void message (XClientMessageEvent *);
void expose (XExposeEvent *);
void resize (XConfigureEvent *);
void redraw (void);
void update (void);
void bpress (XButtonEvent *);
void motion (XPointerMovedEvent *);
void brelse (XButtonEvent *);

void set_fsamp (float fsamp, bool symm);
void set_input (int i);
void set_output (int i);
void set_param (int i);
void mod_param (bool inc);
void set_bw (float);
void set_f0 (float);
void set_f1 (float);
void set_fc (float);
void set_fs (float);
void set_a1 (float);
void set_ar (float);
void set_a_ns (float);
void set_a_si (float);
void set_f_si (float);
void send_genp (void);
void set_mark (float f, bool nse);
void clr_mark (void);
void show_param (void);
void plot_fscale (void);
void plot_ascale (void);
void plot_clear (void);
void plot_grid (void);
void plot_spect (Spectdata *);
void plot_annot (Spectdata *);
void alloc_fft (Spectdata *);
void calc_spect (Spectdata *);
float calcfreq (int x);
float conv0 (fftwf_complex *);
float conv1 (fftwf_complex *);
void calc_noise (float *f, float *p);
void calc_peak (float *f, float *p, float r);
void print_note (char *s, float f);

int _xs, _ys;
int _running;
Atom _atoms [2];
Atom _wmpro;
X_window *_plotwin;
Pixmap _plotmap;
GC _plotgct;
X_button *_butt [NBUTT];
X_textip *_txt1;
Spectdata *_spect;
ITC_ctrl *_audio;

int _input;
int _drag;
int _xd, _yd;
int _p_ind;
float _p_val;
float _fsamp;
float _funit;
const char *_fform;
float _bmin, _bmax, _bw;
float _fmin, _fmax, _f0, _f1, _fc, _fm, _df;
float _amin, _amax, _a0, _a1, _da;
float _a_ns, _a_si, _f_si, _a_pu;
int _g_bits;
int _ngx, _grx [40];
int _ngy, _gry [20];

fftwf_complex *_trbuf;
fftwf_plan _fftplan;
float *_ipbuf;
float *_fftbuf;
float *_power;
int _fftlen;
int _ipmod;
int _ipcnt;
float _ptot;

const static char *_formats [9];
const static char *_notes [12];

friend class JaaaPlugin;
};


#endif

+ 135
- 0
source/native-plugins/zita-jaaa/source/styles.cc View File

@@ -0,0 +1,135 @@
// -------------------------------------------------------------------------
//
// Copyright (C) 2004-2013 Fons Adriaensen <fons@linuxaudio.org>
//
// 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
// the Free Software Foundation; either version 2 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program; if not, write to the Free Software
// Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
//
// -------------------------------------------------------------------------


#include "styles.h"


struct colors Colors;
struct fonts Fonts;
struct xft_colors XftColors;
struct xft_fonts XftFonts;

X_button_style Bst0, Bst1, BstA, BstB, BstM;
X_textln_style Tst0, Tst1;


void init_styles (X_display *disp, X_resman *xrm)
{
Colors.black = disp->blackpixel ();
Colors.white = disp->whitepixel ();
Colors.main_bg = disp->alloc_color (xrm->get (".color.main.bg", "#e4e0d4"), Colors.white);
Colors.main_ds = disp->alloc_color (xrm->get (".color.main.ds", "gray20"), Colors.black);
Colors.main_ls = disp->alloc_color (xrm->get (".color.main.ls", "white"), Colors.white);
Colors.text_ed = disp->alloc_color (xrm->get (".color.text.ed", "yellow"), Colors.white);
Colors.text_ca = disp->alloc_color (xrm->get (".color.text.ca", "black"), Colors.black);
Colors.spect_bg = disp->alloc_color (xrm->get (".color.spect.bg", "white"), Colors.white);
Colors.spect_gr = disp->alloc_color (xrm->get (".color.spect.gr", "gray80"), Colors.white);
Colors.spect_mk = disp->alloc_color (xrm->get (".color.spect.mk", "red"), Colors.black);
Colors.spect_trA = disp->alloc_color (xrm->get (".color.spect.trA", "blue"), Colors.black);
Colors.spect_pkA = disp->alloc_color (xrm->get (".color.spect.pkA", "#A0A0FF"), Colors.black);
Colors.spect_trB = disp->alloc_color (xrm->get (".color.spect.trB", "blue"), Colors.black);
Colors.spect_pkB = disp->alloc_color (xrm->get (".color.spect.pkB", "#A0A0FF"), Colors.black);
Colors.spect_trM = disp->alloc_color (xrm->get (".color.spect.trM", "darkgreen"), Colors.white);
Colors.butt_bg0 = disp->alloc_color (xrm->get (".color.butt.bg0", "#d0c8c0"), Colors.white);
Colors.butt_bg1 = disp->alloc_color (xrm->get (".color.butt.bg1", "yellow"), Colors.white);
Colors.butt_bg2 = disp->alloc_color (xrm->get (".color.butt.bg2", "green"), Colors.white);
Colors.butt_bgA = disp->alloc_color (xrm->get (".color.butt.bgA", "red"), Colors.black);
Colors.butt_bgB = disp->alloc_color (xrm->get (".color.butt.bgB", "blue"), Colors.black);
Colors.butt_bgM = disp->alloc_color (xrm->get (".color.butt.bgM", "green"), Colors.white);

XftColors.white = disp->alloc_xftcolor ("white", 0);
XftColors.black = disp->alloc_xftcolor ("black", 0);
XftColors.main_fg = disp->alloc_xftcolor (xrm->get (".color.main.fg", "black"), XftColors.black);
XftColors.text_fg = disp->alloc_xftcolor (xrm->get (".color.text.fg", "black"), XftColors.black);
XftColors.spect_fg = disp->alloc_xftcolor (xrm->get (".color.spect.fg", "blue"), XftColors.black);
XftColors.spect_sc = disp->alloc_xftcolor (xrm->get (".color.spect.sc", "black"), XftColors.black);
XftColors.spect_an = disp->alloc_xftcolor (xrm->get (".color.spect.an", "red"), XftColors.black);
XftColors.butt_fg0 = disp->alloc_xftcolor (xrm->get (".color.butt.fg0", "black"), XftColors.black);
XftColors.butt_fg1 = disp->alloc_xftcolor (xrm->get (".color.butt.fg1", "black"), XftColors.black);
XftColors.butt_fg2 = disp->alloc_xftcolor (xrm->get (".color.butt.fg2", "black"), XftColors.black);
XftColors.butt_fgA = disp->alloc_xftcolor (xrm->get (".color.butt.fgA", "white"), XftColors.white);
XftColors.butt_fgB = disp->alloc_xftcolor (xrm->get (".color.butt.fgB", "white"), XftColors.white);
XftColors.butt_fgM = disp->alloc_xftcolor (xrm->get (".color.butt.fgM", "black"), XftColors.black);
XftFonts.about1 = disp->alloc_xftfont (xrm->get (".font.about1", "times:pixelsize=24"));
XftFonts.about2 = disp->alloc_xftfont (xrm->get (".font.about2", "times:pixelsize=14"));
XftFonts.button = disp->alloc_xftfont (xrm->get (".font.button", "luxi:pixelsize=11"));
XftFonts.labels = disp->alloc_xftfont (xrm->get (".font.labels", "luxi:pixelsize=11"));
XftFonts.scales = disp->alloc_xftfont (xrm->get (".font.scales", "luxi:pixelsize=10"));

Bst0.font = XftFonts.button;
Bst0.color.bg [0] = Colors.butt_bg0;
Bst0.color.fg [0] = XftColors.butt_fg0;
Bst0.color.bg [1] = Colors.butt_bg1;
Bst0.color.fg [1] = XftColors.butt_fg1;
Bst0.color.bg [2] = Colors.butt_bg2;
Bst0.color.fg [2] = XftColors.butt_fg2;
Bst0.color.shadow.bgnd = Colors.main_bg;
Bst0.color.shadow.lite = Colors.main_ls;
Bst0.color.shadow.dark = Colors.main_ds;
Bst0.size.x = 17;
Bst0.size.y = 17;
Bst0.type = X_button_style::RAISED;

Bst1.font = XftFonts.button;
Bst1.color.bg [0] = Colors.butt_bg0;
Bst1.color.fg [0] = XftColors.butt_fg0;
Bst1.color.bg [1] = Colors.butt_bg1;
Bst1.color.fg [1] = XftColors.butt_fg1;
Bst1.color.bg [2] = Colors.butt_bg2;
Bst1.color.fg [2] = XftColors.butt_fg2;
Bst1.color.shadow.bgnd = Colors.main_bg;
Bst1.color.shadow.lite = Colors.main_ls;
Bst1.color.shadow.dark = Colors.main_ds;
Bst1.size.x = 17;
Bst1.size.y = 17;
Bst1.type = X_button_style::RAISED;// | X_button_style::LED;

BstA = Bst0;
BstA.color.bg [1] = Colors.butt_bgA;
BstA.color.fg [1] = XftColors.butt_fgA;

BstB = Bst0;
BstB.color.bg [1] = Colors.butt_bgB;
BstB.color.fg [1] = XftColors.butt_fgB;

BstM = Bst0;
BstM.color.bg [1] = Colors.butt_bgM;
BstM.color.fg [1] = XftColors.butt_fgM;

Tst0.font = XftFonts.labels;
Tst0.color.normal.bgnd = Colors.white;
Tst0.color.normal.text = XftColors.text_fg;
Tst0.color.shadow.lite = Colors.main_ls;
Tst0.color.shadow.dark = Colors.main_ds;
Tst0.color.shadow.bgnd = Colors.main_bg;

Tst1.font = XftFonts.labels;
Tst1.color.normal.bgnd = Colors.main_bg;
Tst1.color.normal.text = XftColors.main_fg;
Tst1.color.focus.bgnd = Colors.text_ed;
Tst1.color.focus.text = XftColors.main_fg;
Tst1.color.focus.line = Colors.text_ca;
Tst1.color.shadow.lite = Colors.main_ls;
Tst1.color.shadow.dark = Colors.main_ds;
Tst1.color.shadow.bgnd = Colors.main_bg;
}


+ 103
- 0
source/native-plugins/zita-jaaa/source/styles.h View File

@@ -0,0 +1,103 @@
// -------------------------------------------------------------------------
//
// Copyright (C) 2004-2013 Fons Adriaensen <fons@linuxaudio.org>
//
// 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
// the Free Software Foundation; either version 2 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program; if not, write to the Free Software
// Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
//
// -------------------------------------------------------------------------


#ifndef __STYLES_H
#define __STYLES_H


#include <clxclient.h>


struct colors
{
unsigned long white;
unsigned long black;
unsigned long main_bg;
unsigned long main_ds;
unsigned long main_ls;
unsigned long text_ed;
unsigned long text_ca;
unsigned long spect_bg;
unsigned long spect_gr;
unsigned long spect_mk;
unsigned long spect_trA;
unsigned long spect_pkA;
unsigned long spect_trB;
unsigned long spect_pkB;
unsigned long spect_trM;
unsigned long butt_bg0;
unsigned long butt_bg1;
unsigned long butt_bg2;
unsigned long butt_bgA;
unsigned long butt_bgB;
unsigned long butt_bgM;
};


struct fonts
{
};


struct xft_colors
{
XftColor *white;
XftColor *black;
XftColor *main_fg;
XftColor *text_fg;
XftColor *spect_fg;
XftColor *spect_sc;
XftColor *spect_an;
XftColor *butt_fg0;
XftColor *butt_fg1;
XftColor *butt_fg2;
XftColor *butt_fgA;
XftColor *butt_fgB;
XftColor *butt_fgM;
};


struct xft_fonts
{
XftFont *about1;
XftFont *about2;
XftFont *button;
XftFont *labels;
XftFont *scales;
};



extern struct colors Colors;
extern struct fonts Fonts;
extern struct xft_colors XftColors;
extern struct xft_fonts XftFonts;
extern X_button_style Bst0, Bst1, BstA, BstB, BstM;
extern X_textln_style Tst0, Tst1;


extern void init_styles (X_display *disp, X_resman *xrm);


#define PROGNAME "Jack/Alsa Audio Analyser"


#endif

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