Commit cb402493 authored by gbazin's avatar gbazin
Browse files

* modules/audio_output/portaudio.c: portaudio (www.portaudio.com) audio output...

* modules/audio_output/portaudio.c: portaudio (www.portaudio.com) audio output plugin by Frédéric RUGET (frederic dot ruget at free dot fr).
parent 81d271b9
......@@ -3102,6 +3102,21 @@ AC_ARG_ENABLE(esd,
fi
fi])
dnl
dnl Portaudio module
dnl
AC_ARG_ENABLE(portaudio,
[ --enable-portaudio Portaudio library support (default disabled)],
[if test "${enable_portaudio}" = "yes"
then
VLC_ADD_PLUGINS([portaudio])
if test "${SYS}" = "mingw32"; then
VLC_ADD_LDFLAGS([portaudio],[-lportaudio -lwinmm -lole32])
else
VLC_ADD_LDFLAGS([portaudio],[-lportaudio])
fi
fi])
dnl
dnl aRts module
dnl
......
......@@ -336,6 +336,8 @@ $Id$
* playlist: playlist import module
* portaudio: audio output module that uses the portaudio library (www.portaudio.com)
* postprocessing_c: Video Postprocessing module
* postprocessing_mmx: Video Postprocessing module using MMX
......
......@@ -8,3 +8,4 @@ SOURCES_oss = oss.c
SOURCES_aout_sdl = sdl.c
SOURCES_waveout = waveout.c
SOURCES_hd1000a = hd1000a.cpp
SOURCES_portaudio = portaudio.c
/*****************************************************************************
* portaudio.c : portaudio audio output plugin
*****************************************************************************
* Copyright (C) 2002 VideoLAN
* $Id$
*
* Authors: Frederic Ruget <frederic.ruget@free.fr>
*
* 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, USA.
*****************************************************************************/
/*****************************************************************************
* Preamble
*****************************************************************************/
#include <string.h>
#include <stdlib.h>
#include <vlc/vlc.h>
#include <vlc/aout.h>
#include <portaudio.h>
#include "aout_internal.h"
#define FRAME_SIZE 1024 /* The size is in samples, not in bytes */
#define FRAMES_NUM 8
/*****************************************************************************
* aout_sys_t: portaudio audio output method descriptor
*****************************************************************************/
struct aout_sys_t
{
aout_instance_t *p_aout;
PortAudioStream *p_stream;
int i_numDevices;
int i_nbChannels;
PaSampleFormat sampleFormat;
int i_sampleSize;
PaDeviceID i_deviceId;
PaDeviceInfo deviceInfo;
};
/*****************************************************************************
* Local prototypes.
*****************************************************************************/
static int Open ( vlc_object_t * );
static void Close ( vlc_object_t * );
static void Play ( aout_instance_t * );
static int i_once = 0;
/*****************************************************************************
* Module descriptor
*****************************************************************************/
#define DEVICE_TEXT N_("Output device")
#define DEVICE_LONGTEXT N_("Portaudio identifier for the output device")
vlc_module_begin();
set_description( N_("PORTAUDIO audio output") );
add_integer( "portaudio-device", 0, NULL,
DEVICE_TEXT, DEVICE_LONGTEXT, VLC_FALSE );
set_capability( "audio output", 40 );
set_callbacks( Open, Close );
vlc_module_end();
/* This routine will be called by the PortAudio engine when audio is needed.
** It may called at interrupt level on some machines so don't do anything
** that could mess up the system like calling malloc() or free().
*/
static int paCallback( void *inputBuffer, void *outputBuffer,
unsigned long framesPerBuffer,
PaTimestamp outTime, void *p_cookie )
{
struct aout_sys_t* p_sys = (struct aout_sys_t*) p_cookie;
aout_instance_t * p_aout = p_sys->p_aout;
aout_buffer_t * p_buffer;
vlc_mutex_lock( &p_aout->output_fifo_lock );
p_buffer = aout_FifoPop( p_aout, &p_aout->output.fifo );
vlc_mutex_unlock( &p_aout->output_fifo_lock );
if ( p_buffer != NULL )
{
p_aout->p_vlc->pf_memcpy( outputBuffer, p_buffer->p_buffer,
framesPerBuffer * p_sys->i_sampleSize );
aout_BufferFree( p_buffer );
}
else
{
p_aout->p_vlc->pf_memset( outputBuffer, 0,
framesPerBuffer * p_sys->i_sampleSize );
}
return 0;
}
/*****************************************************************************
* Open: open the audio device
*****************************************************************************/
static int Open ( vlc_object_t * p_this )
{
aout_instance_t *p_aout = (aout_instance_t *)p_this;
struct aout_sys_t * p_sys;
PortAudioStream *p_stream;
vlc_value_t val;
PaError i_err;
int i_nb_channels;
const PaDeviceInfo *p_pdi;
int i, j;
msg_Dbg( p_aout, "Entering Open()");
/* Allocate p_sys structure */
p_sys = (struct aout_sys_t*) malloc( sizeof( aout_sys_t ) );
if( p_sys == NULL )
{
msg_Err( p_aout, "out of memory" );
return VLC_ENOMEM;
}
p_sys->p_aout = p_aout;
p_aout->output.p_sys = p_sys;
/* Output device id */
var_Create( p_this, "portaudio-device",
VLC_VAR_INTEGER|VLC_VAR_DOINHERIT );
var_Get( p_this, "portaudio-device", &val );
p_sys->i_deviceId = val.i_int;
if (! i_once)
{
i_once = 1;
i_err = Pa_Initialize();
if ( i_err != paNoError )
{
msg_Err( p_aout, "Pa_Initialize returned %d : %s", i_err, Pa_GetErrorText( i_err ));
return VLC_EGENERIC;
}
}
p_sys->i_numDevices = Pa_CountDevices();
if( p_sys->i_numDevices < 0 )
{
i_err = p_sys->i_numDevices;
msg_Err( p_aout, "Pa_CountDevices returned %d : %s", i_err, Pa_GetErrorText( i_err ));
(void) Pa_Terminate();
return VLC_EGENERIC;
}
msg_Info( p_aout, "Number of devices = %d", p_sys->i_numDevices );
if ( p_sys->i_deviceId >= p_sys->i_numDevices )
{
msg_Err( p_aout, "Device %d does not exist", p_sys->i_deviceId );
(void) Pa_Terminate();
return VLC_EGENERIC;
}
for( i = 0; i < p_sys->i_numDevices; i++ )
{
p_pdi = Pa_GetDeviceInfo( i );
if ( i == p_sys->i_deviceId )
{
p_sys->deviceInfo = *p_pdi;
}
msg_Info( p_aout, "---------------------------------------------- #%d", i );
msg_Info( p_aout, "Name = %s", p_pdi->name );
msg_Info( p_aout, "Max Inputs = %d, Max Outputs = %d",
p_pdi->maxInputChannels, p_pdi->maxOutputChannels );
if( p_pdi->numSampleRates == -1 )
{
msg_Info( p_aout, "Sample Rate Range = %f to %f", p_pdi->sampleRates[0], p_pdi->sampleRates[1] );
}
else
{
msg_Info( p_aout, "Sample Rates =");
for( j = 0; j < p_pdi->numSampleRates; j++ )
{
msg_Info( p_aout, " %8.2f,", p_pdi->sampleRates[j] );
}
}
msg_Info( p_aout, "Native Sample Formats = ");
if( p_pdi->nativeSampleFormats & paInt8 ) msg_Info( p_aout, "paInt8");
if( p_pdi->nativeSampleFormats & paUInt8 ) msg_Info( p_aout, "paUInt8");
if( p_pdi->nativeSampleFormats & paInt16 ) msg_Info( p_aout, "paInt16");
if( p_pdi->nativeSampleFormats & paInt32 ) msg_Info( p_aout, "paInt32");
if( p_pdi->nativeSampleFormats & paFloat32 ) msg_Info( p_aout, "paFloat32");
if( p_pdi->nativeSampleFormats & paInt24 ) msg_Info( p_aout, "paInt24");
if( p_pdi->nativeSampleFormats & paPackedInt24 ) msg_Info( p_aout, "paPackedInt24");
}
msg_Info( p_aout, "----------------------------------------------");
/*
portaudio warning: Number of devices = 3
portaudio warning: ---------------------------------------------- #0 DefaultInput DefaultOutput
portaudio warning: Name = PORTAUDIO DirectX Full Duplex Driver
portaudio warning: Max Inputs = 2, Max Outputs = 2
portaudio warning: Sample Rates =
portaudio warning: 11025.00,
portaudio warning: 22050.00,
portaudio warning: 32000.00,
portaudio warning: 44100.00,
portaudio warning: 48000.00,
portaudio warning: 88200.00,
portaudio warning: 96000.00,
portaudio warning: Native Sample Formats =
portaudio warning: paInt16
portaudio warning: ---------------------------------------------- #1
portaudio warning: Name = PORTAUDIO Multimedia Driver
portaudio warning: Max Inputs = 2, Max Outputs = 2
portaudio warning: Sample Rates =
portaudio warning: 11025.00,
portaudio warning: 22050.00,
portaudio warning: 32000.00,
portaudio warning: 44100.00,
portaudio warning: 48000.00,
portaudio warning: 88200.00,
portaudio warning: 96000.00,
portaudio warning: Native Sample Formats =
portaudio warning: paInt16
portaudio warning: ---------------------------------------------- #2
portaudio warning: Name = E-MU PORTAUDIO
portaudio warning: Max Inputs = 0, Max Outputs = 4
portaudio warning: Sample Rates =
portaudio warning: 44100.00,
portaudio warning: 48000.00,
portaudio warning: 96000.00,
portaudio warning: Native Sample Formats =
portaudio warning: paInt16
portaudio warning: ----------------------------------------------
*/
p_aout->output.pf_play = Play;
aout_VolumeSoftInit( p_aout );
/* select audio format */
if( p_sys->deviceInfo.nativeSampleFormats & paFloat32 )
{
p_sys->sampleFormat = paFloat32;
p_aout->output.output.i_format = VLC_FOURCC('f','l','3','2');
p_sys->i_sampleSize = 4;
}
else if( p_sys->deviceInfo.nativeSampleFormats & paInt16 )
{
p_sys->sampleFormat = paInt16;
p_aout->output.output.i_format = AOUT_FMT_S16_NE;
p_sys->i_sampleSize = 2;
}
else
{
msg_Err( p_aout, "Audio format not supported" );
(void) Pa_Terminate();
return VLC_EGENERIC;
}
i_nb_channels = aout_FormatNbChannels( &p_aout->output.output );
msg_Info( p_aout, "nb_channels = %d", i_nb_channels );
if ( i_nb_channels > p_sys->deviceInfo.maxOutputChannels )
{
if ( p_sys->deviceInfo.maxOutputChannels < 1 )
{
msg_Err( p_aout, "No channel available" );
(void) Pa_Terminate();
return VLC_EGENERIC;
}
else if ( p_sys->deviceInfo.maxOutputChannels < 2 )
{
p_sys->i_nbChannels = 1;
p_aout->output.output.i_physical_channels
= AOUT_CHAN_CENTER;
}
else if ( p_sys->deviceInfo.maxOutputChannels < 4 )
{
p_sys->i_nbChannels = 2;
p_aout->output.output.i_physical_channels
= AOUT_CHAN_LEFT | AOUT_CHAN_RIGHT;
}
else if ( p_sys->deviceInfo.maxOutputChannels < 6 )
{
p_sys->i_nbChannels = 4;
p_aout->output.output.i_physical_channels
= AOUT_CHAN_LEFT | AOUT_CHAN_RIGHT
| AOUT_CHAN_REARLEFT | AOUT_CHAN_REARRIGHT;
}
else
{
p_sys->i_nbChannels = 6;
p_aout->output.output.i_physical_channels
= AOUT_CHAN_LEFT | AOUT_CHAN_RIGHT | AOUT_CHAN_CENTER
| AOUT_CHAN_REARLEFT | AOUT_CHAN_REARRIGHT
| AOUT_CHAN_LFE;
}
}
p_sys->i_sampleSize *= p_sys->i_nbChannels;
/* Open portaudio stream */
p_aout->output.i_nb_samples = FRAME_SIZE;
msg_Info( p_aout, "rate = %d", p_aout->output.output.i_rate );
msg_Info( p_aout, "samples = %d", p_aout->output.i_nb_samples );
i_err = Pa_OpenStream(
&p_stream,
paNoDevice, 0, 0, 0, /* no input device */
p_sys->i_deviceId, /* output device */
p_sys->i_nbChannels,
p_sys->sampleFormat,
NULL,
(double) p_aout->output.output.i_rate,
(unsigned long) p_aout->output.i_nb_samples, /* FRAMES_PER_BUFFER */
FRAMES_NUM, /* number of buffers, if zero then use default minimum */
paClipOff, /* we won't output out of range samples so don't bother clipping them */
paCallback, p_sys );
if( i_err != paNoError )
{
msg_Err( p_aout, "Pa_OpenStream returns %d : %s", i_err,
Pa_GetErrorText( i_err ) );
(void) Pa_Terminate();
return VLC_EGENERIC;
}
p_sys->p_stream = p_stream;
i_err = Pa_StartStream( p_stream );
if( i_err != paNoError )
{
(void) Pa_CloseStream( p_stream);
(void) Pa_Terminate();
return VLC_EGENERIC;
}
msg_Dbg( p_aout, "Leaving Open()" );
return VLC_SUCCESS;
}
/*****************************************************************************
* Close: close the audio device
*****************************************************************************/
static void Close ( vlc_object_t *p_this )
{
aout_instance_t *p_aout = (aout_instance_t *)p_this;
struct aout_sys_t * p_sys = p_aout->output.p_sys;
PortAudioStream *p_stream = p_sys->p_stream;
PaError i_err;
msg_Dbg( p_aout, "Entering Close()");
i_err = Pa_AbortStream( p_stream );
if ( i_err != paNoError )
{
msg_Err( p_aout, "Pa_AbortStream: %d (%s)", i_err, Pa_GetErrorText( i_err ) );
}
i_err = Pa_CloseStream( p_stream );
if ( i_err != paNoError )
{
msg_Err( p_aout, "Pa_CloseStream: %d (%s)", i_err, Pa_GetErrorText( i_err ) );
}
i_err = Pa_Terminate();
if ( i_err != paNoError )
{
msg_Err( p_aout, "Pa_Terminate: %d (%s)", i_err, Pa_GetErrorText( i_err ) );
}
msg_Dbg( p_aout, "Leaving Close()");
}
/*****************************************************************************
* Play: play sound
*****************************************************************************/
static void Play( aout_instance_t * p_aout )
{
}
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