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.gear/rules | 2 +
.../tags/5a76e1b14349adf94b08f3d81884096bc786b237 | 12 +
.gear/tags/list | 1 +
README | 8 +-
alsa-plugins-equal.spec | 63 +++
ctl_equal.c | 8 +-
ladspa.h | 599 ---------------------
ladspa_utils.c | 2 +-
ladspa_utils.h | 2 +-
makefile.dep | 6 +-
pcm_equal.c | 4 +-
11 files changed, 93 insertions(+), 614 deletions(-)
diff --git a/.gear/rules b/.gear/rules
new file mode 100644
index 0000000..c11ea89
--- /dev/null
+++ b/.gear/rules
@@ -0,0 +1,2 @@
+tar: v@version@:. name=alsaequal-@version@ base=alsaequal
+diff: v@version@:. . name=@name@-@version@-@release@.patch
diff --git a/.gear/tags/5a76e1b14349adf94b08f3d81884096bc786b237 b/.gear/tags/5a76e1b14349adf94b08f3d81884096bc786b237
new file mode 100644
index 0000000..aac159f
--- /dev/null
+++ b/.gear/tags/5a76e1b14349adf94b08f3d81884096bc786b237
@@ -0,0 +1,12 @@
+object e9d19ba99c2cf36742cb547a6da2fd1357054b99
+type commit
+tag v0.6
+tagger Alexey Tourbin <alexey.tourbin@gmail.com> 1511742337 +0300
+
+alsaequal v0.6
+-----BEGIN PGP SIGNATURE-----
+
+iEYEABECAAYFAlobW4EACgkQfBKgtDjnu0Yd4QCgh+tfh5RUg+MWkGDPMCHNLXXT
+rtwAoJUaQkwNuQTBb+l4puBq5lQGSc9j
+=zbK6
+-----END PGP SIGNATURE-----
diff --git a/.gear/tags/list b/.gear/tags/list
new file mode 100644
index 0000000..eb6bdf6
--- /dev/null
+++ b/.gear/tags/list
@@ -0,0 +1 @@
+5a76e1b14349adf94b08f3d81884096bc786b237 v0.6
diff --git a/README b/README
index b77fd2d..2df3dc5 100644
--- a/README
+++ b/README
@@ -1,11 +1,11 @@
Alsaequal is a real-time adjustable equalizer plugin for ALSA. It can
be adjusted using any ALSA compatible mixer, e.g. alsamixergui.
-Alsaequal uses the Eq CAPS LADSPA Plugin for audio processing, actually
+Alsaequal uses the Eq10 CAPS LADSPA Plugin for audio processing, actually
alsaequal is a generic LADSPA plugin interface with real-time access to
the LADSPA controls (the LADSPA plugin included with alsa doesn't allow
for real-time controls) but it was developed for and only tested with
-Eq CAPS LADSPA plugin. You are welcome to try it with other plugins, it
+Eq10 CAPS LADSPA plugin. You are welcome to try it with other plugins, it
may work. Let me know how it goes, you can reach me at
<charles@thedigitalmachine.net>.
@@ -66,7 +66,7 @@ ctl.<name_equal> {library -- location of the LADSPA library, the default is
"/usr/lib/ladspa/caps.so"
module -- module name within the LADSPA library, the deafault
- is "Eq"
+ is "Eq10"
channels -- number of channels, the default is 2
}
@@ -81,7 +81,7 @@ pcm.<name_pcm> {library -- location of the LADSPA library, the default is
"/usr/lib/ladspa/caps.so"
module -- module name within the LADSPA library, the deafault
- is "Eq"
+ is "Eq10"
channels -- number of channels, the default is 2
}
diff --git a/alsa-plugins-equal.spec b/alsa-plugins-equal.spec
new file mode 100644
index 0000000..d4ba530
--- /dev/null
+++ b/alsa-plugins-equal.spec
@@ -0,0 +1,63 @@
+Name: alsa-plugins-equal
+Version: 0.6
+Release: alt1
+
+Summary: Real-time adjustable equalizer plugin for ALSA
+License: GPLv2+
+Group: Sound
+
+URL: https://web.archive.org/web/20161105202833/http://thedigitalmachine.net/alsaequal.html
+Source: alsaequal-%version.tar
+Patch: %name-%version-%release.patch
+
+Requires: %_libdir/ladspa/caps.so
+
+# Automatically added by buildreq on Mon Nov 27 2017
+BuildRequires: ladspa_sdk libalsa-devel
+
+%description
+Alsaequal is a real-time adjustable equalizer plugin for ALSA. It can be
+adjusted using an ALSA compatible mixer, like alsamixergui or alsamixer.
+
+This configuration (/etc/asound.conf or ~/.asoundrc) works fine for me:
+
+ctl.equal {+ type equal;
+}
+pcm.plugequal {+ type equal;
+ slave.pcm "plug:dmix";
+}
+pcm.!default {+ type plug;
+ slave.pcm plugequal;
+}
+
+Adjust equalizer settings:
+$ alsamixer -D equal
+
+%prep
+%setup -q -n alsaequal
+%patch -p1
+
+%if "%_libdir" != "/usr/lib"
+sed -i~ 's|"/usr/lib/|"%_libdir/|g' *.c
+%endif
+
+%build
+for m in ctl pcm; do
+ gcc %optflags -fPIC -DPIC -shared -o libasound_module_${m}_equal.so \+ ${m}_equal.c ladspa_utils.c -lasound -ldl -Wl,--no-undefined+done
+
+%install
+mkdir -p %buildroot%_libdir/alsa-lib
+cp -pv *.so %buildroot%_libdir/alsa-lib
+
+%files
+%doc README
+%_libdir/alsa-lib/*.so
+
+%changelog
+* Mon Nov 27 2017 Alexey Tourbin <at@altlinux.ru> 0.6-alt1
+- initial revision
diff --git a/ctl_equal.c b/ctl_equal.c
index 40747d4..c6319ac 100644
--- a/ctl_equal.c
+++ b/ctl_equal.c
@@ -21,7 +21,7 @@
#include <alsa/asoundlib.h>
#include <alsa/control_external.h>
-#include "ladspa.h"
+#include <ladspa.h>
#include "ladspa_utils.h"
typedef struct snd_ctl_equal_control {@@ -167,7 +167,7 @@ SND_CTL_PLUGIN_DEFINE_FUNC(equal)
snd_ctl_equal_t *equal;
const char *controls = ".alsaequal.bin";
const char *library = "/usr/lib/ladspa/caps.so";
- const char *module = "Eq";
+ const char *module = "Eq10";
long channels = 2;
const char *sufix = " Playback Volume";
int err, i, index;
@@ -263,8 +263,8 @@ SND_CTL_PLUGIN_DEFINE_FUNC(equal)
for(i = 0; i < equal->num_input_controls; i++) { if(equal->control_data->control[i].type == LADSPA_CNTRL_INPUT) {index = equal->control_data->control[i].index;
- if(equal->klass->PortDescriptors[index] !=
- (LADSPA_PORT_INPUT | LADSPA_PORT_CONTROL)) {+ if((equal->klass->PortDescriptors[index] &
+ (LADSPA_PORT_INPUT | LADSPA_PORT_CONTROL)) == 0) { SNDERR("Problem with control file %s, %d.", controls, index);return -1;
}
diff --git a/ladspa.h b/ladspa.h
deleted file mode 100644
index 8aede15..0000000
--- a/ladspa.h
+++ /dev/null
@@ -1,599 +0,0 @@
-/* ladspa.h
-
- Linux Audio Developer's Simple Plugin API Version 1.1[provisional,
- LGPL]. Copyright (C) 2000-2002 Richard W.E. Furse, Paul
- Barton-Davis, Stefan Westerfeld.
-
- This library is free software; you can redistribute it and/or
- modify it under the terms of the GNU Lesser General Public License
- as published by the Free Software Foundation; either version 2.1 of
- the License, or (at your option) any later version.
-
- This library 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
- Lesser General Public License for more details.
-
- You should have received a copy of the GNU Lesser General Public
- License along with this library; if not, write to the Free Software
- Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
- USA. */
-
-#ifndef LADSPA_INCLUDED
-#define LADSPA_INCLUDED
-
-#ifdef __cplusplus
-extern "C" {-#endif
-
-/*****************************************************************************/
-
-/* Overview:
-
- There is a large number of synthesis packages in use or development
- on the Linux platform at this time. This API (`The Linux Audio
- Developer's Simple Plugin API') attempts to give programmers the
- ability to write simple `plugin' audio processors in C/C++ and link
- them dynamically (`plug') into a range of these packages (`hosts').
- It should be possible for any host and any plugin to communicate
- completely through this interface.
-
- This API is deliberately short and simple. To achieve compatibility
- with a range of promising Linux sound synthesis packages it
- attempts to find the `greatest common divisor' in their logical
- behaviour. Having said this, certain limiting decisions are
- implicit, notably the use of a fixed type (LADSPA_Data) for all
- data transfer and absence of a parameterised `initialisation'
- phase. See below for the LADSPA_Data typedef.
-
- Plugins are expected to distinguish between control and audio
- data. Plugins have `ports' that are inputs or outputs for audio or
- control data and each plugin is `run' for a `block' corresponding
- to a short time interval measured in samples. Audio data is
- communicated using arrays of LADSPA_Data, allowing a block of audio
- to be processed by the plugin in a single pass. Control data is
- communicated using single LADSPA_Data values. Control data has a
- single value at the start of a call to the `run()' or `run_adding()'
- function, and may be considered to remain this value for its
- duration. The plugin may assume that all its input and output ports
- have been connected to the relevant data location (see the
- `connect_port()' function below) before it is asked to run.
-
- Plugins will reside in shared object files suitable for dynamic
- linking by dlopen() and family. The file will provide a number of
- `plugin types' that can be used to instantiate actual plugins
- (sometimes known as `plugin instances') that can be connected
- together to perform tasks.
-
- This API contains very limited error-handling. */
-
-/*****************************************************************************/
-
-/* Fundamental data type passed in and out of plugin. This data type
- is used to communicate audio samples and control values. It is
- assumed that the plugin will work sensibly given any numeric input
- value although it may have a preferred range (see hints below).
-
- For audio it is generally assumed that 1.0f is the `0dB' reference
- amplitude and is a `normal' signal level. */
-
-typedef float LADSPA_Data;
-
-/*****************************************************************************/
-
-/* Special Plugin Properties:
-
- Optional features of the plugin type are encapsulated in the
- LADSPA_Properties type. This is assembled by ORing individual
- properties together. */
-
-typedef int LADSPA_Properties;
-
-/* Property LADSPA_PROPERTY_REALTIME indicates that the plugin has a
- real-time dependency (e.g. listens to a MIDI device) and so its
- output must not be cached or subject to significant latency. */
-#define LADSPA_PROPERTY_REALTIME 0x1
-
-/* Property LADSPA_PROPERTY_INPLACE_BROKEN indicates that the plugin
- may cease to work correctly if the host elects to use the same data
- location for both input and output (see connect_port()). This
- should be avoided as enabling this flag makes it impossible for
- hosts to use the plugin to process audio `in-place.' */
-#define LADSPA_PROPERTY_INPLACE_BROKEN 0x2
-
-/* Property LADSPA_PROPERTY_HARD_RT_CAPABLE indicates that the plugin
- is capable of running not only in a conventional host but also in a
- `hard real-time' environment. To qualify for this the plugin must
- satisfy all of the following:
-
- (1) The plugin must not use malloc(), free() or other heap memory
- management within its run() or run_adding() functions. All new
- memory used in run() must be managed via the stack. These
- restrictions only apply to the run() function.
-
- (2) The plugin will not attempt to make use of any library
- functions with the exceptions of functions in the ANSI standard C
- and C maths libraries, which the host is expected to provide.
-
- (3) The plugin will not access files, devices, pipes, sockets, IPC
- or any other mechanism that might result in process or thread
- blocking.
-
- (4) The plugin will take an amount of time to execute a run() or
- run_adding() call approximately of form (A+B*SampleCount) where A
- and B depend on the machine and host in use. This amount of time
- may not depend on input signals or plugin state. The host is left
- the responsibility to perform timings to estimate upper bounds for
- A and B. */
-#define LADSPA_PROPERTY_HARD_RT_CAPABLE 0x4
-
-#define LADSPA_IS_REALTIME(x) ((x) & LADSPA_PROPERTY_REALTIME)
-#define LADSPA_IS_INPLACE_BROKEN(x) ((x) & LADSPA_PROPERTY_INPLACE_BROKEN)
-#define LADSPA_IS_HARD_RT_CAPABLE(x) ((x) & LADSPA_PROPERTY_HARD_RT_CAPABLE)
-
-/*****************************************************************************/
-
-/* Plugin Ports:
-
- Plugins have `ports' that are inputs or outputs for audio or
- data. Ports can communicate arrays of LADSPA_Data (for audio
- inputs/outputs) or single LADSPA_Data values (for control
- input/outputs). This information is encapsulated in the
- LADSPA_PortDescriptor type which is assembled by ORing individual
- properties together.
-
- Note that a port must be an input or an output port but not both
- and that a port must be a control or audio port but not both. */
-
-typedef int LADSPA_PortDescriptor;
-
-/* Property LADSPA_PORT_INPUT indicates that the port is an input. */
-#define LADSPA_PORT_INPUT 0x1
-
-/* Property LADSPA_PORT_OUTPUT indicates that the port is an output. */
-#define LADSPA_PORT_OUTPUT 0x2
-
-/* Property LADSPA_PORT_CONTROL indicates that the port is a control
- port. */
-#define LADSPA_PORT_CONTROL 0x4
-
-/* Property LADSPA_PORT_AUDIO indicates that the port is a audio
- port. */
-#define LADSPA_PORT_AUDIO 0x8
-
-#define LADSPA_IS_PORT_INPUT(x) ((x) & LADSPA_PORT_INPUT)
-#define LADSPA_IS_PORT_OUTPUT(x) ((x) & LADSPA_PORT_OUTPUT)
-#define LADSPA_IS_PORT_CONTROL(x) ((x) & LADSPA_PORT_CONTROL)
-#define LADSPA_IS_PORT_AUDIO(x) ((x) & LADSPA_PORT_AUDIO)
-
-/*****************************************************************************/
-
-/* Plugin Port Range Hints:
-
- The host may wish to provide a representation of data entering or
- leaving a plugin (e.g. to generate a GUI automatically). To make
- this more meaningful, the plugin should provide `hints' to the host
- describing the usual values taken by the data.
-
- Note that these are only hints. The host may ignore them and the
- plugin must not assume that data supplied to it is meaningful. If
- the plugin receives invalid input data it is expected to continue
- to run without failure and, where possible, produce a sensible
- output (e.g. a high-pass filter given a negative cutoff frequency
- might switch to an all-pass mode).
-
- Hints are meaningful for all input and output ports but hints for
- input control ports are expected to be particularly useful.
-
- More hint information is encapsulated in the
- LADSPA_PortRangeHintDescriptor type which is assembled by ORing
- individual hint types together. Hints may require further
- LowerBound and UpperBound information.
-
- All the hint information for a particular port is aggregated in the
- LADSPA_PortRangeHint structure. */
-
-typedef int LADSPA_PortRangeHintDescriptor;
-
-/* Hint LADSPA_HINT_BOUNDED_BELOW indicates that the LowerBound field
- of the LADSPA_PortRangeHint should be considered meaningful. The
- value in this field should be considered the (inclusive) lower
- bound of the valid range. If LADSPA_HINT_SAMPLE_RATE is also
- specified then the value of LowerBound should be multiplied by the
- sample rate. */
-#define LADSPA_HINT_BOUNDED_BELOW 0x1
-
-/* Hint LADSPA_HINT_BOUNDED_ABOVE indicates that the UpperBound field
- of the LADSPA_PortRangeHint should be considered meaningful. The
- value in this field should be considered the (inclusive) upper
- bound of the valid range. If LADSPA_HINT_SAMPLE_RATE is also
- specified then the value of UpperBound should be multiplied by the
- sample rate. */
-#define LADSPA_HINT_BOUNDED_ABOVE 0x2
-
-/* Hint LADSPA_HINT_TOGGLED indicates that the data item should be
- considered a Boolean toggle. Data less than or equal to zero should
- be considered `off' or `false,' and data above zero should be
- considered `on' or `true.' LADSPA_HINT_TOGGLED may not be used in
- conjunction with any other hint except LADSPA_HINT_DEFAULT_0 or
- LADSPA_HINT_DEFAULT_1. */
-#define LADSPA_HINT_TOGGLED 0x4
-
-/* Hint LADSPA_HINT_SAMPLE_RATE indicates that any bounds specified
- should be interpreted as multiples of the sample rate. For
- instance, a frequency range from 0Hz to the Nyquist frequency (half
- the sample rate) could be requested by this hint in conjunction
- with LowerBound = 0 and UpperBound = 0.5. Hosts that support bounds
- at all must support this hint to retain meaning. */
-#define LADSPA_HINT_SAMPLE_RATE 0x8
-
-/* Hint LADSPA_HINT_LOGARITHMIC indicates that it is likely that the
- user will find it more intuitive to view values using a logarithmic
- scale. This is particularly useful for frequencies and gains. */
-#define LADSPA_HINT_LOGARITHMIC 0x10
-
-/* Hint LADSPA_HINT_INTEGER indicates that a user interface would
- probably wish to provide a stepped control taking only integer
- values. Any bounds set should be slightly wider than the actual
- integer range required to avoid floating point rounding errors. For
- instance, the integer set {0,1,2,3} might be described as [-0.1,- 3.1]. */
-#define LADSPA_HINT_INTEGER 0x20
-
-/* The various LADSPA_HINT_HAS_DEFAULT_* hints indicate a `normal'
- value for the port that is sensible as a default. For instance,
- this value is suitable for use as an initial value in a user
- interface or as a value the host might assign to a control port
- when the user has not provided one. Defaults are encoded using a
- mask so only one default may be specified for a port. Some of the
- hints make use of lower and upper bounds, in which case the
- relevant bound or bounds must be available and
- LADSPA_HINT_SAMPLE_RATE must be applied as usual. The resulting
- default must be rounded if LADSPA_HINT_INTEGER is present. Default
- values were introduced in LADSPA v1.1. */
-#define LADSPA_HINT_DEFAULT_MASK 0x3C0
-
-/* This default values indicates that no default is provided. */
-#define LADSPA_HINT_DEFAULT_NONE 0x0
-
-/* This default hint indicates that the suggested lower bound for the
- port should be used. */
-#define LADSPA_HINT_DEFAULT_MINIMUM 0x40
-
-/* This default hint indicates that a low value between the suggested
- lower and upper bounds should be chosen. For ports with
- LADSPA_HINT_LOGARITHMIC, this should be exp(log(lower) * 0.75 +
- log(upper) * 0.25). Otherwise, this should be (lower * 0.75 + upper
- * 0.25). */
-#define LADSPA_HINT_DEFAULT_LOW 0x80
-
-/* This default hint indicates that a middle value between the
- suggested lower and upper bounds should be chosen. For ports with
- LADSPA_HINT_LOGARITHMIC, this should be exp(log(lower) * 0.5 +
- log(upper) * 0.5). Otherwise, this should be (lower * 0.5 + upper *
- 0.5). */
-#define LADSPA_HINT_DEFAULT_MIDDLE 0xC0
-
-/* This default hint indicates that a high value between the suggested
- lower and upper bounds should be chosen. For ports with
- LADSPA_HINT_LOGARITHMIC, this should be exp(log(lower) * 0.25 +
- log(upper) * 0.75). Otherwise, this should be (lower * 0.25 + upper
- * 0.75). */
-#define LADSPA_HINT_DEFAULT_HIGH 0x100
-
-/* This default hint indicates that the suggested upper bound for the
- port should be used. */
-#define LADSPA_HINT_DEFAULT_MAXIMUM 0x140
-
-/* This default hint indicates that the number 0 should be used. Note
- that this default may be used in conjunction with
- LADSPA_HINT_TOGGLED. */
-#define LADSPA_HINT_DEFAULT_0 0x200
-
-/* This default hint indicates that the number 1 should be used. Note
- that this default may be used in conjunction with
- LADSPA_HINT_TOGGLED. */
-#define LADSPA_HINT_DEFAULT_1 0x240
-
-/* This default hint indicates that the number 100 should be used. */
-#define LADSPA_HINT_DEFAULT_100 0x280
-
-/* This default hint indicates that the Hz frequency of `concert A'
- should be used. This will be 440 unless the host uses an unusual
- tuning convention, in which case it may be within a few Hz. */
-#define LADSPA_HINT_DEFAULT_440 0x2C0
-
-#define LADSPA_IS_HINT_BOUNDED_BELOW(x) ((x) & LADSPA_HINT_BOUNDED_BELOW)
-#define LADSPA_IS_HINT_BOUNDED_ABOVE(x) ((x) & LADSPA_HINT_BOUNDED_ABOVE)
-#define LADSPA_IS_HINT_TOGGLED(x) ((x) & LADSPA_HINT_TOGGLED)
-#define LADSPA_IS_HINT_SAMPLE_RATE(x) ((x) & LADSPA_HINT_SAMPLE_RATE)
-#define LADSPA_IS_HINT_LOGARITHMIC(x) ((x) & LADSPA_HINT_LOGARITHMIC)
-#define LADSPA_IS_HINT_INTEGER(x) ((x) & LADSPA_HINT_INTEGER)
-
-#define LADSPA_IS_HINT_HAS_DEFAULT(x) ((x) & LADSPA_HINT_DEFAULT_MASK)
-#define LADSPA_IS_HINT_DEFAULT_MINIMUM(x) (((x) & LADSPA_HINT_DEFAULT_MASK) \
- == LADSPA_HINT_DEFAULT_MINIMUM)
-#define LADSPA_IS_HINT_DEFAULT_LOW(x) (((x) & LADSPA_HINT_DEFAULT_MASK) \
- == LADSPA_HINT_DEFAULT_LOW)
-#define LADSPA_IS_HINT_DEFAULT_MIDDLE(x) (((x) & LADSPA_HINT_DEFAULT_MASK) \
- == LADSPA_HINT_DEFAULT_MIDDLE)
-#define LADSPA_IS_HINT_DEFAULT_HIGH(x) (((x) & LADSPA_HINT_DEFAULT_MASK) \
- == LADSPA_HINT_DEFAULT_HIGH)
-#define LADSPA_IS_HINT_DEFAULT_MAXIMUM(x) (((x) & LADSPA_HINT_DEFAULT_MASK) \
- == LADSPA_HINT_DEFAULT_MAXIMUM)
-#define LADSPA_IS_HINT_DEFAULT_0(x) (((x) & LADSPA_HINT_DEFAULT_MASK) \
- == LADSPA_HINT_DEFAULT_0)
-#define LADSPA_IS_HINT_DEFAULT_1(x) (((x) & LADSPA_HINT_DEFAULT_MASK) \
- == LADSPA_HINT_DEFAULT_1)
-#define LADSPA_IS_HINT_DEFAULT_100(x) (((x) & LADSPA_HINT_DEFAULT_MASK) \
- == LADSPA_HINT_DEFAULT_100)
-#define LADSPA_IS_HINT_DEFAULT_440(x) (((x) & LADSPA_HINT_DEFAULT_MASK) \
- == LADSPA_HINT_DEFAULT_440)
-
-typedef struct _LADSPA_PortRangeHint {-
- /* Hints about the port. */
- LADSPA_PortRangeHintDescriptor HintDescriptor;
-
- /* Meaningful when hint LADSPA_HINT_BOUNDED_BELOW is active. When
- LADSPA_HINT_SAMPLE_RATE is also active then this value should be
- multiplied by the relevant sample rate. */
- LADSPA_Data LowerBound;
-
- /* Meaningful when hint LADSPA_HINT_BOUNDED_ABOVE is active. When
- LADSPA_HINT_SAMPLE_RATE is also active then this value should be
- multiplied by the relevant sample rate. */
- LADSPA_Data UpperBound;
-
-} LADSPA_PortRangeHint;
-
-/*****************************************************************************/
-
-/* Plugin Handles:
-
- This plugin handle indicates a particular instance of the plugin
- concerned. It is valid to compare this to NULL (0 for C++) but
- otherwise the host should not attempt to interpret it. The plugin
- may use it to reference internal instance data. */
-
-typedef void * LADSPA_Handle;
-
-/*****************************************************************************/
-
-/* Descriptor for a Type of Plugin:
-
- This structure is used to describe a plugin type. It provides a
- number of functions to examine the type, instantiate it, link it to
- buffers and workspaces and to run it. */
-
-typedef struct _LADSPA_Descriptor { -
- /* This numeric identifier indicates the plugin type
- uniquely. Plugin programmers may reserve ranges of IDs from a
- central body to avoid clashes. Hosts may assume that IDs are
- below 0x1000000. */
- unsigned long UniqueID;
-
- /* This identifier can be used as a unique, case-sensitive
- identifier for the plugin type within the plugin file. Plugin
- types should be identified by file and label rather than by index
- or plugin name, which may be changed in new plugin
- versions. Labels must not contain white-space characters. */
- const char * Label;
-
- /* This indicates a number of properties of the plugin. */
- LADSPA_Properties Properties;
-
- /* This member points to the null-terminated name of the plugin
- (e.g. "Sine Oscillator"). */
- const char * Name;
-
- /* This member points to the null-terminated string indicating the
- maker of the plugin. This can be an empty string but not NULL. */
- const char * Maker;
-
- /* This member points to the null-terminated string indicating any
- copyright applying to the plugin. If no Copyright applies the
- string "None" should be used. */
- const char * Copyright;
-
- /* This indicates the number of ports (input AND output) present on
- the plugin. */
- unsigned long PortCount;
-
- /* This member indicates an array of port descriptors. Valid indices
- vary from 0 to PortCount-1. */
- const LADSPA_PortDescriptor * PortDescriptors;
-
- /* This member indicates an array of null-terminated strings
- describing ports (e.g. "Frequency (Hz)"). Valid indices vary from
- 0 to PortCount-1. */
- const char * const * PortNames;
-
- /* This member indicates an array of range hints for each port (see
- above). Valid indices vary from 0 to PortCount-1. */
- const LADSPA_PortRangeHint * PortRangeHints;
-
- /* This may be used by the plugin developer to pass any custom
- implementation data into an instantiate call. It must not be used
- or interpreted by the host. It is expected that most plugin
- writers will not use this facility as LADSPA_Handle should be
- used to hold instance data. */
- void * ImplementationData;
-
- /* This member is a function pointer that instantiates a plugin. A
- handle is returned indicating the new plugin instance. The
- instantiation function accepts a sample rate as a parameter. The
- plugin descriptor from which this instantiate function was found
- must also be passed. This function must return NULL if
- instantiation fails.
-
- Note that instance initialisation should generally occur in
- activate() rather than here. */
- LADSPA_Handle (*instantiate)(const struct _LADSPA_Descriptor * Descriptor,
- unsigned long SampleRate);
-
- /* This member is a function pointer that connects a port on an
- instantiated plugin to a memory location at which a block of data
- for the port will be read/written. The data location is expected
- to be an array of LADSPA_Data for audio ports or a single
- LADSPA_Data value for control ports. Memory issues will be
- managed by the host. The plugin must read/write the data at these
- locations every time run() or run_adding() is called and the data
- present at the time of this connection call should not be
- considered meaningful.
-
- connect_port() may be called more than once for a plugin instance
- to allow the host to change the buffers that the plugin is
- reading or writing. These calls may be made before or after
- activate() or deactivate() calls.
-
- connect_port() must be called at least once for each port before
- run() or run_adding() is called. When working with blocks of
- LADSPA_Data the plugin should pay careful attention to the block
- size passed to the run function as the block allocated may only
- just be large enough to contain the block of samples.
-
- Plugin writers should be aware that the host may elect to use the
- same buffer for more than one port and even use the same buffer
- for both input and output (see LADSPA_PROPERTY_INPLACE_BROKEN).
- However, overlapped buffers or use of a single buffer for both
- audio and control data may result in unexpected behaviour. */
- void (*connect_port)(LADSPA_Handle Instance,
- unsigned long Port,
- LADSPA_Data * DataLocation);
-
- /* This member is a function pointer that initialises a plugin
- instance and activates it for use. This is separated from
- instantiate() to aid real-time support and so that hosts can
- reinitialise a plugin instance by calling deactivate() and then
- activate(). In this case the plugin instance must reset all state
- information dependent on the history of the plugin instance
- except for any data locations provided by connect_port() and any
- gain set by set_run_adding_gain(). If there is nothing for
- activate() to do then the plugin writer may provide a NULL rather
- than an empty function.
-
- When present, hosts must call this function once before run() (or
- run_adding()) is called for the first time. This call should be
- made as close to the run() call as possible and indicates to
- real-time plugins that they are now live. Plugins should not rely
- on a prompt call to run() after activate(). activate() may not be
- called again unless deactivate() is called first. Note that
- connect_port() may be called before or after a call to
- activate(). */
- void (*activate)(LADSPA_Handle Instance);
-
- /* This method is a function pointer that runs an instance of a
- plugin for a block. Two parameters are required: the first is a
- handle to the particular instance to be run and the second
- indicates the block size (in samples) for which the plugin
- instance may run.
-
- Note that if an activate() function exists then it must be called
- before run() or run_adding(). If deactivate() is called for a
- plugin instance then the plugin instance may not be reused until
- activate() has been called again.
-
- If the plugin has the property LADSPA_PROPERTY_HARD_RT_CAPABLE
- then there are various things that the plugin should not do
- within the run() or run_adding() functions (see above). */
- void (*run)(LADSPA_Handle Instance,
- unsigned long SampleCount);
-
- /* This method is a function pointer that runs an instance of a
- plugin for a block. This has identical behaviour to run() except
- in the way data is output from the plugin. When run() is used,
- values are written directly to the memory areas associated with
- the output ports. However when run_adding() is called, values
- must be added to the values already present in the memory
- areas. Furthermore, output values written must be scaled by the
- current gain set by set_run_adding_gain() (see below) before
- addition.
-
- run_adding() is optional. When it is not provided by a plugin,
- this function pointer must be set to NULL. When it is provided,
- the function set_run_adding_gain() must be provided also. */
- void (*run_adding)(LADSPA_Handle Instance,
- unsigned long SampleCount);
-
- /* This method is a function pointer that sets the output gain for
- use when run_adding() is called (see above). If this function is
- never called the gain is assumed to default to 1. Gain
- information should be retained when activate() or deactivate()
- are called.
-
- This function should be provided by the plugin if and only if the
- run_adding() function is provided. When it is absent this
- function pointer must be set to NULL. */
- void (*set_run_adding_gain)(LADSPA_Handle Instance,
- LADSPA_Data Gain);
-
- /* This is the counterpart to activate() (see above). If there is
- nothing for deactivate() to do then the plugin writer may provide
- a NULL rather than an empty function.
-
- Hosts must deactivate all activated units after they have been
- run() (or run_adding()) for the last time. This call should be
- made as close to the last run() call as possible and indicates to
- real-time plugins that they are no longer live. Plugins should
- not rely on prompt deactivation. Note that connect_port() may be
- called before or after a call to deactivate().
-
- Deactivation is not similar to pausing as the plugin instance
- will be reinitialised when activate() is called to reuse it. */
- void (*deactivate)(LADSPA_Handle Instance);
-
- /* Once an instance of a plugin has been finished with it can be
- deleted using the following function. The instance handle passed
- ceases to be valid after this call.
-
- If activate() was called for a plugin instance then a
- corresponding call to deactivate() must be made before cleanup()
- is called. */
- void (*cleanup)(LADSPA_Handle Instance);
-
-} LADSPA_Descriptor;
-
-/**********************************************************************/
-
-/* Accessing a Plugin: */
-
-/* The exact mechanism by which plugins are loaded is host-dependent,
- however all most hosts will need to know is the name of shared
- object file containing the plugin types. To allow multiple hosts to
- share plugin types, hosts may wish to check for environment
- variable LADSPA_PATH. If present, this should contain a
- colon-separated path indicating directories that should be searched
- (in order) when loading plugin types.
-
- A plugin programmer must include a function called
- "ladspa_descriptor" with the following function prototype within
- the shared object file. This function will have C-style linkage (if
- you are using C++ this is taken care of by the `extern "C"' clause
- at the top of the file).
-
- A host will find the plugin shared object file by one means or
- another, find the ladspa_descriptor() function, call it, and
- proceed from there.
-
- Plugin types are accessed by index (not ID) using values from 0
- upwards. Out of range indexes must result in this function
- returning NULL, so the plugin count can be determined by checking
- for the least index that results in NULL being returned. */
-
-const LADSPA_Descriptor * ladspa_descriptor(unsigned long Index);
-
-/* Datatype corresponding to the ladspa_descriptor() function. */
-typedef const LADSPA_Descriptor *
-(*LADSPA_Descriptor_Function)(unsigned long Index);
-
-/**********************************************************************/
-
-#ifdef __cplusplus
-}
-#endif
-
-#endif /* LADSPA_INCLUDED */
-
-/* EOF */
diff --git a/ladspa_utils.c b/ladspa_utils.c
index 7b596da..0df60a0 100644
--- a/ladspa_utils.c
+++ b/ladspa_utils.c
@@ -13,7 +13,7 @@
#include <string.h>
#include <math.h>
-#include "ladspa.h"
+#include <ladspa.h>
#include "ladspa_utils.h"
/* ------------------------------------------------------------------ */
diff --git a/ladspa_utils.h b/ladspa_utils.h
index 70ca2cc..c75e23a 100644
--- a/ladspa_utils.h
+++ b/ladspa_utils.h
@@ -6,7 +6,7 @@
#ifndef LADSPA_SDK_LOAD_PLUGIN_LIB
#define LADSPA_SDK_LOAD_PLUGIN_LIB
-#include "ladspa.h"
+#include <ladspa.h>
/* This function call takes a plugin library filename, searches for
the library along the LADSPA_PATH, loads it with dlopen() and
diff --git a/makefile.dep b/makefile.dep
index 76839f7..b5e7603 100644
--- a/makefile.dep
+++ b/makefile.dep
@@ -1,3 +1,3 @@
-ctl_equal.o: ctl_equal.c ladspa.h ladspa_utils.h
-ladspa_utils.o: ladspa_utils.c ladspa.h ladspa_utils.h
-pcm_equal.o: pcm_equal.c ladspa.h ladspa_utils.h
+ctl_equal.o: ctl_equal.c ladspa_utils.h
+ladspa_utils.o: ladspa_utils.c ladspa_utils.h
+pcm_equal.o: pcm_equal.c ladspa_utils.h
diff --git a/pcm_equal.c b/pcm_equal.c
index 2bc87fb..1bc9439 100644
--- a/pcm_equal.c
+++ b/pcm_equal.c
@@ -24,7 +24,7 @@
#include <alsa/control.h>
#include <linux/soundcard.h>
-#include "ladspa.h"
+#include <ladspa.h>
#include "ladspa_utils.h"
typedef struct snd_pcm_equal {@@ -151,7 +151,7 @@ SND_PCM_PLUGIN_DEFINE_FUNC(equal)
snd_config_t *sconf = NULL;
const char *controls = ".alsaequal.bin";
const char *library = "/usr/lib/ladspa/caps.so";
- const char *module = "Eq";
+ const char *module = "Eq10";
long channels = 2;
int err;