Nabble - Audiere - General

Re: Does Audiere also play audio streams from memory?

2009-12-15T02:28:12Z

Brian Robb schrieb:
> - So you might be able to do something similiar?

Thanks, I'll have a look at that!

greetings..
..Markus

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Re: Does Audiere also play audio streams from memory?

2009-12-14T10:21:22Z

I can't recall whether it has built-in support to do this
But I did have it playing ogg's via http ages ago so what you want to do should be possible

(I did something like read data from a http stream - put the data into a byte array and get audiere to play the byte array.)

So basically my code implemented audiere::StreamingFile interface like so:

class CHttpStreamingFile : public audiere::RefImplementation<audiere::StreamingFile>
{
    int ADR_CALL read(void* buffer, int size)
    {
       int num_bytes_read = 0;

       // read 'size' bytes of data from your container and place it into 'buffer'

       // then return the number of bytes read, which should be size or less
       return num_bytes_read;
    }

    bool ADR_CALL seek(int position, SeekMode mode)
    {
      bool can_seek = false;
      return can_seek;
    }

    int ADR_CALL write(const void* buffer, int size)
    {
      return 0;
    }

    int ADR_CALL tell()
    {
        return 0;
    }
}

- So you might be able to do something similiar?

> Date: Mon, 14 Dec 2009 13:02:41 +0100
> From: m.luttenberger@...
> To: audiere-users@...
> Subject: [Audiere-users] Does Audiere also play audio streams from memory?
>
> Hey,
>
>
> I found some nice examples of Audiere at
> http://gpwiki.org/index.php/Audiere:Tutorials:Introduction but I don't
> know if it's also possible to play audio data from a memory position,
> ie. without giving a file pointer? I have my own audio container and
> additionally the data is G.711 encoded so I cannot give a file pointer.
>
> I also need to play multiple audio streams *at the same time*. These are
> mono speech recordings and have a lot of silence so there should not be
> an acoustic problem playing them simultaneously. Does Audiere provide a
> possibility to play multiple streams? Or do I need to implement my own
> mixer (I've read that the streams just need to be added together...)?
>
>
> greetings..
> ..Markus
>
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Does Audiere also play audio streams from memory?

2009-12-14T04:02:41Z

Hey,

I found some nice examples of Audiere at
http://gpwiki.org/index.php/Audiere:Tutorials:Introduction but I don't
know if it's also possible to play audio data from a memory position,
ie. without giving a file pointer? I have my own audio container and
additionally the data is G.711 encoded so I cannot give a file pointer.

I also need to play multiple audio streams *at the same time*. These are
mono speech recordings and have a lot of silence so there should not be
an acoustic problem playing them simultaneously. Does Audiere provide a
possibility to play multiple streams? Or do I need to implement my own
mixer (I've read that the streams just need to be added together...)?

greetings..
..Markus

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Compiling libaudieresharpglue for the C# bridge

2009-11-09T09:30:32Z

(Apologies for cross posting - wasn't sure which was best.)

Hi all,

I'm having major problems compiling libaudieresharpglue (part of Harald
Fielker's C# bindings).

I've opened the project up in VC++ Express 2008 and set the Include and
Library directories to point at the appropriate directories within
"audiere-win32" and yet I still get errors like these:

..\src\outputstream.cpp(8) : error C2065: 'OutputStream' :
undeclared identifier
..\src\outputstream.cpp(8) : error C2065: 'stream' : undeclared
identifier
<snip!>
..\src\audiodevice.cpp(124) : error C2065: 'AudioDevice' :
undeclared identifier
..\src\audiodevice.cpp(124) : error C2059: syntax error : ')'
..\src\audiodevice.cpp(125) : error C2065: 'device' : undeclared
identifier
..\src\audiodevice.cpp(129) : error C2065: 'device' : undeclared
identifier
..\src\audiodevice.cpp(129) : fatal error C1003: error count exceeds
100; stopping compilation

Anyone out there know why this might be happening? I feel like I'm
missing something fundamental.

Regards,
Tom Wright

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Re: C# wrapper

2009-11-05T09:02:24Z

Hi list,

Bob Pfingsten: You can download the wrappers here -
http://sourceforge.net/mailarchive/forum.php?thread_name=200710271451.41075.harald.fielker%40web.de&forum_name=audiere-devel

Unfortunately, I'm unable to compile libaudieresharpglue.dll. Does
anyone have the compiled DLL that I could grab?

Thanks,

Tom

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Undesired looping of streams

2009-06-10T16:50:48Z

Hi,

I'm having a problem with Audiere. When I try to play a streamed sound
all I get is an infinite loop of the first couple of seconds. Tried ogg
(vbr and cbr), mp3, wav, always the same result. I'm using the 1.9.4
binary directly from the site and followed the tutorial. The code
(below) seems pretty straightforward... Do anyone know what the problem
could be?

AudioDevicePtr device(OpenDevice());
if (!device) {
// failure
}

OutputStreamPtr stream(OpenSound(device, "Theme.ogg", true));
if (!stream) {
// failure
}

stream->play();

Hi,

I'm having a problem with Audiere. When I try to play a streamed sound
all I get is an infinite loop of the first couple of seconds. Tried ogg
(vbr and cbr), mp3, wav, always the same result. I'm using the 1.9.4
binary directly from the site and followed the tutorial. The code
(below) seems pretty straightforward... Do anyone know what the problem
could be?

AudioDevicePtr device(OpenDevice());
if (!device) {
// failure
}

OutputStreamPtr stream(OpenSound(device, "Theme.ogg", true));
if (!stream) {
// failure
}

stream->play();

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Re: Can't read MP3 file

2009-03-03T07:38:21Z

Hi,

Thank for your help, It's work with a BR = 128KBits/s
but not with BR = 320KBits/s (Not variable)

2009/3/3 Jens Bergensten <jensbergensten@...>

Hello

Maybe it's related to this problem:

http://www.nabble.com/Audiere%2C-Vista---VBR-td10081528.html

(variable bit rate of the mp3 file).

// Jens Bergensten

On Tue, Mar 3, 2009 at 4:21 PM, Sébastien LINCK <seb.linck@...> wrote:
> Hi,
>
> I'm new user of audiere, I'd like to play MP3 file but it don't work.
> I just can play WAV File...
>
> Any idea
>
> --
> Cordialement,
> Sébastien Linck.
>

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>

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--
Cordialement,
Sébastien Linck.

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Re: Can't read MP3 file

2009-03-03T07:28:40Z

Hello

Maybe it's related to this problem:

http://www.nabble.com/Audiere%2C-Vista---VBR-td10081528.html

(variable bit rate of the mp3 file).

// Jens Bergensten

On Tue, Mar 3, 2009 at 4:21 PM, Sébastien LINCK <seb.linck@...> wrote:

> Hi,
>
> I'm new user of audiere, I'd like to play MP3 file but it don't work.
> I just can play WAV File...
>
> Any idea
>
> --
> Cordialement,
> Sébastien Linck.
>
> ------------------------------------------------------------------------------
> Open Source Business Conference (OSBC), March 24-25, 2009, San Francisco, CA
> -OSBC tackles the biggest issue in open source: Open Sourcing the Enterprise
> -Strategies to boost innovation and cut costs with open source participation
> -Receive a $600 discount off the registration fee with the source code: SFAD
> http://p.sf.net/sfu/XcvMzF8H
> _______________________________________________
> Audiere-users mailing list
> Audiere-users@...
> https://lists.sourceforge.net/lists/listinfo/audiere-users
>
>

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Can't read MP3 file

2009-03-03T07:21:18Z

Hi,

I'm new user of audiere, I'd like to play MP3 file but it don't work.
I just can play WAV File...

Any idea

--
Cordialement,
Sébastien Linck.

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C# wrapper

2008-12-12T20:43:24Z

Hello,

Can someone point me towards the C# wrappers for this excellent project?

Thanks much!

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[PATCH] Add alsa device driver and compilation fixes.

2008-11-15T06:53:37Z

hi, folks.
It seems audiere is not actively maintained. I attached two patches
I wrote today and hope it will be useful for guys using linux.

diff -ur audiere/configure.in audiere-1.9.4/configure.in
--- audiere/configure.in 2004-11-08 07:41:37.000000000 +0800
+++ audiere-1.9.4/configure.in 2008-11-15 20:08:22.000000000 +0800
@@ -163,6 +163,12 @@
AC_DEFINE(HAVE_OSS))
AM_CONDITIONAL(HAVE_OSS, test "x$HAVE_OSS" = "xtrue")

+AC_CHECK_HEADER(alsa/asoundlib.h,
+ HAVE_ALSA=true
+ LIBS="-lasound $LIBS"
+ AC_DEFINE(HAVE_ALSA))
+AM_CONDITIONAL(HAVE_ALSA, test "x$HAVE_ALSA" = "xtrue")
+
AC_CHECK_HEADER(vorbis/vorbisfile.h,
HAVE_OGG=true
LIBS="-lvorbisfile -lvorbis -logg $LIBS"
diff -ur audiere/src/device.cpp audiere-1.9.4/src/device.cpp
--- audiere/src/device.cpp 2004-04-09 15:19:14.000000000 +0800
+++ audiere-1.9.4/src/device.cpp 2008-11-15 22:29:36.000000000 +0800
@@ -20,6 +20,10 @@

#endif

+#ifdef HAVE_ALSA
+ #include "device_alsa.h"
+#endif
+
#ifdef HAVE_OSS
#include "device_oss.h"
#endif
@@ -149,6 +153,9 @@
"directsound:DirectSound (high-performance)" ";"
"winmm:Windows Multimedia (compatible)" ";"
#else
+#ifdef HAVE_ALSA
+ "alsa:Advance Linux Sound Architecture" ";"
+#endif
#ifdef HAVE_OSS
"oss:Open Sound System" ";"
#endif
@@ -219,10 +226,18 @@
TRY_GROUP("al");
TRY_GROUP("directsound");
TRY_GROUP("winmm");
+ TRY_GROUP("alsa");
TRY_GROUP("oss");
return 0;
}

+ #ifdef HAVE_ALSA
+ if (name == "alsa") {
+ TRY_DEVICE(ALSAAudioDevice);
+ return 0;
+ }
+ #endif
+
#ifdef HAVE_OSS
if (name == "oss") {
TRY_DEVICE(OSSAudioDevice);
diff -ur audiere/src/Makefile.am audiere-1.9.4/src/Makefile.am
--- audiere/src/Makefile.am 2004-11-08 07:41:39.000000000 +0800
+++ audiere-1.9.4/src/Makefile.am 2008-11-15 20:12:23.000000000 +0800
@@ -33,6 +33,12 @@
AL_DIST = device_al.cpp device_al.h
endif

+if HAVE_ALSA
+ALSA_SOURCES = device_alsa.cpp device_alsa.h
+else
+ALSA_DIST = device_alsa.cpp device_alsa.h
+endif
+
if HAVE_OSS
OSS_SOURCES = device_oss.cpp device_oss.h
else
@@ -106,6 +112,7 @@
device_null.cpp \
device_null.h \
$(AL_SOURCES) \
+ $(ALSA_SOURCES) \
$(OSS_SOURCES) \
$(WINMM_SOURCES) \
dumb_resample.cpp \
--- /dev/null 2008-11-15 21:52:27.942635028 +0800
+++ audiere-1.9.4/src/device_alsa.h 2008-11-15 22:29:54.000000000 +0800
@@ -0,0 +1,35 @@
+#ifndef DEVICE_ALSA_H
+#define DEVICE_ALSA_H
+
+
+#include "audiere.h"
+#include "device_mixer.h"
+
+#include <alsa/asoundlib.h>
+
+namespace audiere {
+
+ class ALSAAudioDevice : public MixerDevice {
+ public:
+ static ALSAAudioDevice* create(const ParameterList& parameters);
+
+ private:
+ ALSAAudioDevice(snd_pcm_t* pcm_handle,
+ int rate,
+ int buffer_size);
+ ~ALSAAudioDevice();
+
+ public:
+ void ADR_CALL update();
+ const char* ADR_CALL getName();
+
+ private:
+ snd_pcm_t* m_pcm_handle;
+ int m_buffer_size;
+ char* m_buffer;
+ };
+
+}
+
+
+#endif
--- /dev/null 2008-11-15 21:52:27.942635028 +0800
+++ audiere-1.9.4/src/device_alsa.cpp 2008-11-15 22:29:48.000000000 +0800
@@ -0,0 +1,219 @@
+#include <algorithm>
+#include <string>
+#include <stdio.h>
+#include <unistd.h>
+#include <fcntl.h>
+#include <alsa/asoundlib.h>
+#include "device_alsa.h"
+#include "debug.h"
+
+
+namespace audiere {
+
+ ALSAAudioDevice*
+ ALSAAudioDevice::create(const ParameterList& parameters) {
+ std::string device = parameters.getValue("device", "default");
+ int status;
+
+ snd_pcm_t* pcm_handle;
+ status = snd_pcm_open(&pcm_handle, device.c_str (),
+ SND_PCM_STREAM_PLAYBACK, SND_PCM_NONBLOCK);
+ if (status < 0) {
+ perror(device.c_str());
+ return 0;
+ }
+
+ snd_pcm_hw_params_t* hwparams;
+ snd_pcm_sw_params_t* swparams;
+
+ snd_pcm_hw_params_alloca(&hwparams);
+ status = snd_pcm_hw_params_any(pcm_handle, hwparams);
+ if (status < 0) {
+ ADR_LOG("Couldn't get hardware config.");
+ snd_pcm_close(pcm_handle);
+ return 0;
+ }
+
+ status = snd_pcm_hw_params_set_access(pcm_handle, hwparams,
+ SND_PCM_ACCESS_RW_INTERLEAVED);
+ if (status < 0) {
+ ADR_LOG("Couldn't set interleaved access.");
+ snd_pcm_close(pcm_handle);
+ return 0;
+ }
+
+ status = snd_pcm_hw_params_set_format(pcm_handle, hwparams,
+ SND_PCM_FORMAT_S16_LE);
+ if (status < 0) {
+ ADR_LOG("Couldn't set audio format.");
+ snd_pcm_close(pcm_handle);
+ return 0;
+ }
+
+ status = snd_pcm_hw_params_set_channels(pcm_handle, hwparams, 2);
+ if (status < 0) {
+ ADR_LOG("Couldn't set audio channels");
+ snd_pcm_close(pcm_handle);
+ return 0;
+ }
+
+ unsigned int rate = 44100;
+ status = snd_pcm_hw_params_set_rate_near(pcm_handle, hwparams,
+ &rate, NULL);
+ if (status < 0) {
+ ADR_LOG("Couldn't set audio frequency.");
+ snd_pcm_close(pcm_handle);
+ return 0;
+ }
+ status = snd_pcm_hw_params_get_rate(hwparams, &rate, NULL);
+ if (status < 0) {
+ ADR_LOG("Couldn't get audio frequency.");
+ snd_pcm_close(pcm_handle);
+ return 0;
+ }
+
+ unsigned int buffer_time;
+ status = snd_pcm_hw_params_get_buffer_time_max(hwparams,
+ &buffer_time, 0);
+
+ if (status < 0) {
+ ADR_LOG("Couldn't get maximium buffer time.");
+ snd_pcm_close(pcm_handle);
+ return 0;
+ }
+ buffer_time /= 2;
+ if (buffer_time < 100000)
+ buffer_time = 100000;
+ if (buffer_time > 500000)
+ buffer_time = 500000;
+
+ unsigned int period_time = 0;
+ period_time = buffer_time / 4;
+
+ status = snd_pcm_hw_params_set_period_time_near(pcm_handle, hwparams,
+ &period_time, 0);
+ if (status < 0) {
+ ADR_LOG("Couldn't set period time.");
+ snd_pcm_close(pcm_handle);
+ return 0;
+ }
+
+ status = snd_pcm_hw_params_set_buffer_time_near(pcm_handle, hwparams,
+ &buffer_time, 0);
+ if (status < 0) {
+ ADR_LOG("Couldn't set buffer time.");
+ snd_pcm_close(pcm_handle);
+ return 0;
+ }
+
+ status = snd_pcm_hw_params(pcm_handle, hwparams);
+ if (status < 0) {
+ ADR_LOG("Couldn't set haredware parameters.");
+ snd_pcm_close(pcm_handle);
+ return 0;
+ }
+
+ snd_pcm_uframes_t chunk_size;
+ snd_pcm_uframes_t buffer_size;
+ snd_pcm_hw_params_get_period_size(hwparams, &chunk_size, 0);
+ snd_pcm_hw_params_get_buffer_size(hwparams, &buffer_size);
+ if (chunk_size == buffer_size) {
+ ADR_LOG("Can't use period equal to buffer size");
+ snd_pcm_close(pcm_handle);
+ return 0;
+ }
+
+ snd_pcm_sw_params_alloca(&swparams);
+ status = snd_pcm_sw_params_current(pcm_handle, swparams);
+ if (status < 0) {
+ ADR_LOG("Couldn't get software config.");
+ snd_pcm_close(pcm_handle);
+ return 0;
+ }
+ status = snd_pcm_sw_params_set_start_threshold(pcm_handle, swparams, 0);
+ if (status < 0) {
+ ADR_LOG("Couldn't set start threshold");
+ snd_pcm_close(pcm_handle);
+ return 0;
+ }
+ status = snd_pcm_sw_params_set_avail_min(pcm_handle, swparams, chunk_size);
+ if (status < 0) {
+ ADR_LOG("Couldn't set avail min.");
+ snd_pcm_close(pcm_handle);
+ return 0;
+ }
+ status = snd_pcm_sw_params(pcm_handle, swparams);
+ if (status < 0) {
+ ADR_LOG("Couldn't set software audio parameters.");
+ snd_pcm_close(pcm_handle);
+ return 0;
+ }
+
+ int bits_per_sample = snd_pcm_format_physical_width(SND_PCM_FORMAT_S16_LE);
+ int bits_per_frame = bits_per_sample * 2;
+ int chunk_bytes = chunk_size * bits_per_frame / 8;
+
+ return new ALSAAudioDevice(pcm_handle, rate, chunk_bytes);
+ }
+
+
+ ALSAAudioDevice::ALSAAudioDevice(snd_pcm_t* pcm_handle,
+ int rate,
+ int buffer_size)
+ : MixerDevice(rate)
+ {
+ m_pcm_handle = pcm_handle;
+ m_buffer_size = buffer_size;
+ m_buffer = new char [buffer_size];
+ }
+
+
+ ALSAAudioDevice::~ALSAAudioDevice() {
+ ADR_GUARD("ALSAAudioDevice::~ALSAAudioDevice");
+ snd_pcm_drain(m_pcm_handle);
+ snd_pcm_close(m_pcm_handle);
+ delete [] m_buffer;
+ }
+
+
+ void ADR_CALL
+ ALSAAudioDevice::update() {
+ int ret;
+ int sample_len;
+ char* sample_buf;
+
+ sample_buf = m_buffer;
+ sample_len = m_buffer_size / 4;
+
+ read(sample_len, sample_buf);
+ while (sample_len > 0) {
+ ret = snd_pcm_writei(m_pcm_handle, sample_buf, sample_len);
+ if (ret < 0) {
+ if (ret == -EAGAIN) {
+ snd_pcm_wait(m_pcm_handle, 10);
+ continue;
+ }
+ if (ret == -ESTRPIPE) {
+ do {
+ snd_pcm_wait(m_pcm_handle, 10);
+ ret = snd_pcm_resume(m_pcm_handle);
+ } while (ret == -EAGAIN);
+ }
+ if (ret < 0)
+ ret = snd_pcm_prepare(m_pcm_handle);
+ if (ret < 0)
+ return;
+ continue;
+ }
+ sample_buf += ret * 4;
+ sample_len -= ret;
+ }
+ }
+
+
+ const char* ADR_CALL
+ ALSAAudioDevice::getName() {
+ return "alsa";
+ }
+
+}

diff -ur audiere/examples/wxPlayer/DeviceFrame.cpp audiere-1.9.4/examples/wxPlayer/DeviceFrame.cpp
--- audiere/examples/wxPlayer/DeviceFrame.cpp 2006-02-13 14:03:17.000000000 +0800
+++ audiere-1.9.4/examples/wxPlayer/DeviceFrame.cpp 2008-11-15 14:13:11.000000000 +0800
@@ -57,7 +57,7 @@

DeviceFrame::DeviceFrame(audiere::AudioDevicePtr device)
-: wxMDIParentFrame(0, -1, wxT("Audio Device - " + wxString(device->getName())),
+: wxMDIParentFrame(0, -1, wxT("Audio Device - " + wxString(device->getName(), wxConvUTF8)),
wxDefaultPosition, wxSize(400, 500))
{
m_device = device;
diff -ur audiere/examples/wxPlayer/MIDIDeviceDialog.h audiere-1.9.4/examples/wxPlayer/MIDIDeviceDialog.h
--- audiere/examples/wxPlayer/MIDIDeviceDialog.h 2004-07-22 10:57:09.000000000 +0800
+++ audiere-1.9.4/examples/wxPlayer/MIDIDeviceDialog.h 2008-11-15 14:13:37.000000000 +0800
@@ -15,7 +15,7 @@
}

private:
- void MIDIDeviceDialog::OnButton(wxCommandEvent& event);
+ void OnButton(wxCommandEvent& event);

wxTextCtrl* m_name;

diff -ur audiere/src/audiere.h audiere-1.9.4/src/audiere.h
--- audiere/src/audiere.h 2004-11-28 09:41:59.000000000 +0800
+++ audiere-1.9.4/src/audiere.h 2008-11-15 14:01:17.000000000 +0800
@@ -28,6 +28,7 @@

#include <vector>
#include <string>
+#include <cstring>

#ifdef _MSC_VER
#pragma warning(disable : 4786)
diff -ur audiere/src/debug.cpp audiere-1.9.4/src/debug.cpp
--- audiere/src/debug.cpp 2004-04-09 17:33:50.000000000 +0800
+++ audiere-1.9.4/src/debug.cpp 2008-11-15 14:01:45.000000000 +0800
@@ -4,6 +4,7 @@

#include "debug.h"

+#include <cstdlib>

namespace audiere {

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Re: error compiling a C script with gcc and audiere

2008-08-16T21:06:47Z

I receive an error when trying to compile a basic C script with gcc 
after installing audiere-1.9.4.tar.gz on fedora 6 (my script simply 
tries to 'include' the audiere library):



Audiere is a C++ library, not C. You need to use a C++ compiler (like g++).

Enno.

Thanks for the response.

Nicholas

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Re: error compiling a C script with gcc and audiere

2008-08-16T05:12:18Z

nn222@... wrote:
> I receive an error when trying to compile a basic C script with gcc
> after installing audiere-1.9.4.tar.gz on fedora 6 (my script simply
> tries to 'include' the audiere library):

Audiere is a C++ library, not C. You need to use a C++ compiler (like g++).

Enno.

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error compiling a C script with gcc and audiere

2008-08-12T02:08:15Z

Hi,

I receive an error when trying to compile a basic C script with gcc
after installing audiere-1.9.4.tar.gz on fedora 6 (my script simply
tries to 'include' the audiere library):

#include <stdio.h>
#include "audiere.h"
using namespace audiere;

int main(int argc, char *argv[])
{
printf("testing audiere with gcc and a C script\n");
return 0;
}

I am using gcc version 4.1.1-30 and the compile directive 'gcc -o oggc
ogg.c -laudiere'. The following error occurs:

/usr/local/include/audiere.h:29:18: error: vector: No such file or directory
/usr/local/include/audiere.h:30:18: error: string: No such file or directory
/usr/local/include/audiere.h:38:4: error: #error Audiere requires C++
In file included from ogg.c:5:
/usr/local/include/audiere.h:70: error: expected ‘=’, ‘,’, ‘;’, ‘asm’ or
‘__attribute__’ before ‘audiere’
ogg.c:7: error: expected ‘=’, ‘,’, ‘;’, ‘asm’ or ‘__attribute__’ before
‘namespace’

The same error occurs when I use audiere-1.9.3.tar.gz. Earlier versions
of audiere (1.9.2, 1.9.1, 1.9.0) do not compile on my fedora 6 system.

The above output 'Audiere requires C++' is somewhat confusing as various
sites indicated that audiere can be used in C.

Since I would like to use audiere with the C language (and not C++), can
anyone tell me how to compile a C script using the audiere library on my
fedora 6 system?

Thank you.

Nicholas

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Python Bindings

2008-06-13T19:27:02Z

Hi List,

I am adding features to the python bindings for audiere. I have added a
function that accepts an array (numpy) as input, and plays it out to the
sound card. It works, but there is a memory leak, in that the buffer
created (using CreateSampleBuffer) is not destroyed until python closes.
But, I don't know enough about C to be able to fix it. The buffer should
be destroyed when the stream is. Can anyone help? Here is the function
(goes in AudioDevice.cpp):

PyObject* AudioDevice_OpenArray(PyObject* self, PyObject* args) {
audiere_AudioDeviceObject* object = (audiere_AudioDeviceObject*)self;

PyObject *input;
long int sample_rate = 44100;
int streaming = 0;
if (!PyArg_ParseTuple(args, "O|l", &input, &sample_rate))
return 0;
PyArrayObject *array = (PyArrayObject *)
PyArray_ContiguousFromObject(input, PyArray_DOUBLE, 1, 2);
unsigned long int n;
int m;

n = array->dimensions[0];
m = array->nd;
short *data = (short *) malloc((n * m) * sizeof(short));
double t;
for (unsigned long int i = 0; i < n; i++){
for (int j = 0; j < m; j++){
t = * (double *)(array->data + i*array->strides[0] +
j*array->strides[1]);
t = std::max(t, -1.0);
t = std::min(t, 1.0);
t = t * 32767;
data[(i*m)+j] = (short) t;
};
};

Py_DECREF(array);

buffer = CreateSampleBuffer(data, n, m, sample_rate, audiere::SF_S16);
audiere::RefPtr<audiere::OutputStream>
stream(audiere::OpenSound(object->device,
buffer->openStream(),
streaming != 0));
if (!stream) {
PyErr_SetString(PyExc_RuntimeError, "Could not open sound buffer");
return 0;
}

return NewPyOutputStream(stream.get());
}

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Skydiving simulation

2008-06-06T08:59:59Z

Hello,

We are using Audiere in our projects for the parachute simulation programs.
Thanks a lot!

Static Line Interactive, Inc.
http://staticlineinteractive.com

Take care.

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Re: audiere COM/ActiveX Usage

2008-04-16T07:23:57Z

Yes,
Thank you for this responce
but i want to create a type library (for Full Usage)
please give me a Method (or tutorial) to use MIDL to Create this type
library for audiere

thanks !

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Re: audiere COM/ActiveX Usage

2008-04-15T20:05:16Z

Audiere is a Standard Dynamic Library API therefor you need to use it
in an a Standard Dynamic Library API compatible language.

The only thing that might trip you up is the actual interface, like
data types (ie VB uses Unicode strings).

On Tue, Apr 15, 2008 at 9:02 PM, Meftah Tayeb <tayeb.meftah@...> wrote:

>
>
> hello,
> please it is pocible to use audiere in a COM/ActiveX Compatible Language ?
>
> Exemple:
>
> now, i am using VB/VB.Net to develope my applications
>
> it is pocible to use audiere in VB ?
>
> otherwise, it is pocible to use it in a .Net Compatible Language (using .Net
> Interop) ?
>
>
>
> Thanks !!!!!
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>
>

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audiere COM/ActiveX Usage

2008-04-15T14:02:05Z

hello,

please it is pocible to use audiere in a COM/ActiveX Compatible Language ?

Exemple:

now, i am using VB/VB.Net to develope my applications

it is pocible to use audiere in VB ?

otherwise, it is pocible to use it in a .Net Compatible Language (using .Net Interop) ?

Thanks !!!!!

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Re: audiere Usage

2008-03-28T13:13:08Z

hi,

Thank you for this Informations.

but ho to get a Wrapper for audiere ?

thanks

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Re: audiere Usage

2008-03-27T13:12:55Z

Its just standard API, there shouldnt be a need to create a wrapper.
Any standard language can use it.

On Thu, Mar 27, 2008 at 7:08 PM, Meftah Tayeb <tayeb.meftah@...> wrote:

>
>
> Hi,
> please it is pocible to use
> audiere in a COM / ActiveX Compatible Language ?
> if now, please do you know a Wrapper for it ?
>
> thanks
> -------------------------------------------------------------------------
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>
>

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audiere Usage

2008-03-27T12:08:33Z

Hi,

please it is pocible to use

audiere-users@... in a COM / ActiveX Compatible Language ?

if now, please do you know a Wrapper for it ?

thanks

Random crash in DSOutputBuffer dtor

2007-10-09T13:55:09Z

Hi everyone,

Does anyone know what I could be doing to randomly cause a crash in the destructor for DSOutputBuffer? It seems to happen more often when i'm streaming music in addition to playing tons of buffered sounds.

Eventually, I end up getting:

Unhandled exception at 0x4b435553 in MarbleFusion-dbg.exe: 0xC0000005: Access violation reading location 0x4b435553.

And this is what my callstack looks like:

    4b435553()
>    audiere.dll!audiere::DSOutputBuffer::~DSOutputBuffer() Line 56    C++
     audiere.dll!audiere::DSOutputBuffer::`scalar deleting destructor'() + 0x8    C++
     audiere.dll!audiere::RefImplementation <audiere::OutputStream>::unref() Line 1571 + 0xd    C++
     audiere.dll!audiere::StopEventImpl::~StopEventImpl() + 0x32    C++
     audiere.dll!audiere::StopEventImpl::`scalar deleting destructor'() + 0x8    C++
     audiere.dll!audiere::RefImplementation<audiere::File>::unref() Line 1571 + 0xd    C++
     audiere.dll!audiere::AbstractDevice::eventThread() Line 136 + 0xe    C++
     audiere.dll!audiere::InternalThreadRoutine (void * opaque=0x003a5ea8) Line 77    C++
     audiere.dll!_threadstartex(void * ptd=0x003a5eb8) Line 241 + 0x6    C
     kernel32.dll!7c80b683()
     ntdll.dll!7c918839()

I was previously setting my OutputStreamPtr to null after stopping my sounds so I could reuse them (i store them in an array), but that caused this crash to happen consistently. I am now not setting them to null anywhere, but still sporadically get the crash. I can post some code if anyone is interested in seeing it, but it's all wrapped up in a sound manager so there is a lot of extra stuff going on. Mostly, just wondering if anyone has run into this problem before, and remembers what they did to cause it.

Thanks,

Gavin
gavinDOTfowlerATgmailDOTcom

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problem with OutputStreamPtr::SetVolume

2007-09-29T20:48:31Z

hi @ all,

I've got a problem with OutputStreamPtr::SetVolume in my DXUT based game.

Before the game starts, I load and play music A - it works all right. Yet, the volume I set takes no effect - even with a 0.0 value,I can still hear it clearly. Then after game scene loaded, I change it to play music B. This time the SetVolume always work correctly.

It seems that setVolume function doesn't work at the first time I play the

music. I tried several times but with no success, no matter what volume I set. The Audiere I used is the latest version with a minor patch to multi-thread race condition.

Would anyone please give me some hints? Thanks a lot:-)

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Windows mobile

2007-09-26T19:46:12Z

Hi List,

I've written a small audio player app that uses audiere. It is written
in python, and I'm very happy with the way it turned out. Audiere was
especially easy to use, and in very little development time I have a
cross-platform player that does everything I want it to do:
http://audioplayer51.org.

I have a pocket pc, and I recently found pythonce, which is simply
python for windows mobile. So the natural question I have is, can
audiere be compiled for windows mobile? Has someone already
tried/accomplished this? I know literally nothing about compiling for
windows mobile, and not much more about compiling for windows desktop (I
am able to compile audiere.dll in vs2003), but any hints or insight (or
pre-compiled dll's!) would be most welcome. Thanks alot.

--
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Audiere.lib

2007-09-15T13:03:46Z

Hello I am using code blocks When i build the program i get this error

can some one help fix this Thank you

Switching to target: default
Linking executable: C:\irrlicht\myproject\source\MyProject.exe
LINK : fatal error LNK1181: cannot open input file 'Audiere.lib'
Process terminated with status 1 (0 minutes, 1 seconds)
1 errors, 0 warnings

audiere problem.

2007-09-04T12:01:02Z

Hello list,

I've got a problem.

I am trying to just play a sound, with the following code:

RefPtr<AudioDevice> device(OpenDevice());

RefPtr<OutputStream> sound(OpenSound(device.get(), "test.mp3", false));

sound->play();
I get an access violation (runtime error) on the sound->play line; help comments and etc would be appriciated.

Thanks,
Tyler Littlefield.
Vertigo head coder
"My programs don't have bugs, just randomly added features."
msn: compgeek134@...
email: compgeek13@...
aim: st8amnd2005
skype: st8amnd127

Re: License and Static Compile

2007-08-15T20:34:40Z

Anyone have an answer to my main question?

In Windows Audiere statically links all its deps. What do I need to
do to get them (all except -lthreads) to all statically link in Linux?

On 8/15/07, The Devils Jester <thedevilsjester@...> wrote:

> Thanks for the reply, but I didnt ask that.
>
> I asked about dynamically linking audiere to its deps like it already
> is in the windows build.
>
> Also are there any plans for ALSA support? audiere doesnt work out of
> the box in most new distros, you have install alsa-oss and run your
> app like
>
> aoss myapp
>
> Otherwise it wont work.
> On 8/15/07, Chad Austin <aegis@...> wrote:
> > Audiere is LGPL, which means you need to dynamically link with your
> > closed source app, or release the source to your app under the LGPL.
> >
> > Not sure about static on Linux.
> >
> > On 8/15/07, The Devils Jester <thedevilsjester@...> wrote:
> > > I am looking to move to audiere from FMOD, but I have a couple questions:
> > >
> > > 1. Licence. My app is closed source, what does this mean for audiere
> > > or its deps? Can I still use it?
> > >
> > > 2. Static compile. You provide a static compile for Windows, but none
> > > for Linux. I am not familiar with make, I use scons or call g++
> > > directly from the command line, what do I have to change to compile
> > > audiere with its deps statically compiled? Will this effect using it
> > > in my closed source app? (I wont be statically linking audiere)
> > >
> > > --
> > > If you make something that any idiot can use, only idiots will use it.
> > >
> > > -------------------------------------------------------------------------
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> > > Audiere-users@...
> > > https://lists.sourceforge.net/lists/listinfo/audiere-users
> > >
> >
> >
> > --
> > Chad Austin
> > http://imvu.com/technology
> >
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>
>
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>

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Re: An ALSA Solution!, and a question..

2007-08-15T16:14:11Z

Not that I'm aware of. Patches welcome. (Or I'm happy to give commit access.)

On 8/15/07, The Devils Jester <thedevilsjester@...> wrote:

> Ok many new distros do _not_ support OSS properly out of the box, nor
> should they with its deprecated status.
>
> Now you can always call your app via the aoss script, but many times
> that is not a solution. I have found that if you just pass -laoss to
> the linker that audiere works out of the box without the wrapping
> script.
>
> Tested only on Kubuntu 7.04, but it should work on any system.
>
> *************
>
> Now although that provides a temporary solution, is _anyone_ working
> on an ALSA device?
>
> --
> If you make something that any idiot can use, only idiots will use it.
>
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An ALSA Solution!, and a question..

2007-08-15T16:06:33Z

Ok many new distros do _not_ support OSS properly out of the box, nor
should they with its deprecated status.

Now you can always call your app via the aoss script, but many times
that is not a solution. I have found that if you just pass -laoss to
the linker that audiere works out of the box without the wrapping
script.

Tested only on Kubuntu 7.04, but it should work on any system.

*************

Now although that provides a temporary solution, is _anyone_ working
on an ALSA device?

--
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Re: License and Static Compile

2007-08-15T12:31:14Z

Thanks for the reply, but I didnt ask that.

I asked about dynamically linking audiere to its deps like it already
is in the windows build.

Also are there any plans for ALSA support? audiere doesnt work out of
the box in most new distros, you have install alsa-oss and run your
app like

aoss myapp

Otherwise it wont work.
On 8/15/07, Chad Austin <aegis@...> wrote:

> Audiere is LGPL, which means you need to dynamically link with your
> closed source app, or release the source to your app under the LGPL.
>
> Not sure about static on Linux.
>
> On 8/15/07, The Devils Jester <thedevilsjester@...> wrote:
> > I am looking to move to audiere from FMOD, but I have a couple questions:
> >
> > 1. Licence. My app is closed source, what does this mean for audiere
> > or its deps? Can I still use it?
> >
> > 2. Static compile. You provide a static compile for Windows, but none
> > for Linux. I am not familiar with make, I use scons or call g++
> > directly from the command line, what do I have to change to compile
> > audiere with its deps statically compiled? Will this effect using it
> > in my closed source app? (I wont be statically linking audiere)
> >
> > --
> > If you make something that any idiot can use, only idiots will use it.
> >
> > -------------------------------------------------------------------------
> > This SF.net email is sponsored by: Splunk Inc.
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Re: License and Static Compile

2007-08-15T12:30:15Z

I was reading the LPGL, and it seems that the only thing you have to do is
provide a mechanism whereby the user can recompile and modify the LGPL-based
code in the program. In practical terms this means a DLL, because you can
replace it. However, it seems to me that if I give an EXE plus a ".a" file of
proprietary compiled code (such that I could statically link app.a and
audiere.a to form the original EXE), that meets the LGPL requirements. So it
seems to me that LGPL does not completely mandate dynamic linking. I was
wondering if anyone else interpreted it this way as I do?

Jason

Chad Austin wrote:
> Audiere is LGPL, which means you need to dynamically link with your
> closed source app, or release the source to your app under the LGPL.
>
> Not sure about static on Linux.

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Re: License and Static Compile

2007-08-15T12:18:04Z

Audiere is LGPL, which means you need to dynamically link with your
closed source app, or release the source to your app under the LGPL.

Not sure about static on Linux.

On 8/15/07, The Devils Jester <thedevilsjester@...> wrote:

> I am looking to move to audiere from FMOD, but I have a couple questions:
>
> 1. Licence. My app is closed source, what does this mean for audiere
> or its deps? Can I still use it?
>
> 2. Static compile. You provide a static compile for Windows, but none
> for Linux. I am not familiar with make, I use scons or call g++
> directly from the command line, what do I have to change to compile
> audiere with its deps statically compiled? Will this effect using it
> in my closed source app? (I wont be statically linking audiere)
>
> --
> If you make something that any idiot can use, only idiots will use it.
>
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License and Static Compile

2007-08-15T11:24:57Z

I am looking to move to audiere from FMOD, but I have a couple questions:

1. Licence. My app is closed source, what does this mean for audiere
or its deps? Can I still use it?

2. Static compile. You provide a static compile for Windows, but none
for Linux. I am not familiar with make, I use scons or call g++
directly from the command line, what do I have to change to compile
audiere with its deps statically compiled? Will this effect using it
in my closed source app? (I wont be statically linking audiere)

--
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SoundEffect Delay

2007-06-27T09:24:22Z

Hello all,

I recently tried to use the audiere library for sound effects, which as
far as i can establish are loaded into memory to stream out (especially
if type=MULTIPLE). Can someone confirm (i have read other posts that
suggest this) that the sound effect has a very large latency. If not can
someone offer any ideas as to what i've done wrong?

I am using the OSS device which could be a commonality between people
seeing this problem? Anyone confirm this? If so i can have a look at the
device code, but if its a known problem across all of them i won't.

Thanks

Andrew

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