mirror of
https://github.com/saitohirga/WSJT-X.git
synced 2024-11-07 17:46:04 -05:00
5b9645bf09
git-svn-id: svn+ssh://svn.code.sf.net/p/wsjt/wsjt/trunk@189 ab8295b8-cf94-4d9e-aec4-7959e3be5d79
442 lines
14 KiB
C++
442 lines
14 KiB
C++
/*
|
|
* $Id: pa_beos_mk.cc,v 1.1.1.1 2002/01/22 00:52:09 phil Exp $
|
|
* PortAudio Portable Real-Time Audio Library
|
|
* Latest Version at: http://www.portaudio.com
|
|
* BeOS Media Kit Implementation by Joshua Haberman
|
|
*
|
|
* Copyright (c) 2001 Joshua Haberman <joshua@haberman.com>
|
|
*
|
|
* Permission is hereby granted, free of charge, to any person obtaining
|
|
* a copy of this software and associated documentation files
|
|
* (the "Software"), to deal in the Software without restriction,
|
|
* including without limitation the rights to use, copy, modify, merge,
|
|
* publish, distribute, sublicense, and/or sell copies of the Software,
|
|
* and to permit persons to whom the Software is furnished to do so,
|
|
* subject to the following conditions:
|
|
*
|
|
* The above copyright notice and this permission notice shall be
|
|
* included in all copies or substantial portions of the Software.
|
|
*
|
|
* Any person wishing to distribute modifications to the Software is
|
|
* requested to send the modifications to the original developer so that
|
|
* they can be incorporated into the canonical version.
|
|
*
|
|
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
|
|
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
|
|
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
|
|
* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR
|
|
* ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF
|
|
* CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
|
|
* WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
|
|
*
|
|
*/
|
|
|
|
#include <be/app/Application.h>
|
|
#include <be/kernel/OS.h>
|
|
#include <be/media/RealtimeAlloc.h>
|
|
#include <be/media/MediaRoster.h>
|
|
#include <be/media/TimeSource.h>
|
|
|
|
#include <stdio.h>
|
|
#include <string.h>
|
|
|
|
#include "portaudio.h"
|
|
#include "pa_host.h"
|
|
|
|
#include "PlaybackNode.h"
|
|
|
|
#define PRINT(x) { printf x; fflush(stdout); }
|
|
|
|
#ifdef DEBUG
|
|
#define DBUG(x) PRINT(x)
|
|
#else
|
|
#define DBUG(x)
|
|
#endif
|
|
|
|
typedef struct PaHostSoundControl
|
|
{
|
|
/* These members are common to all modes of operation */
|
|
media_node pahsc_TimeSource; /* the sound card's DAC. */
|
|
media_format pahsc_Format;
|
|
|
|
/* These methods are specific to playing mode */
|
|
media_node pahsc_OutputNode; /* output to the mixer */
|
|
media_node pahsc_InputNode; /* reads data from user callback -- PA specific */
|
|
|
|
media_input pahsc_MixerInput; /* input jack on the soundcard's mixer. */
|
|
media_output pahsc_PaOutput; /* output jack from the PA node */
|
|
|
|
PaPlaybackNode *pahsc_InputNodeInstance;
|
|
|
|
}
|
|
PaHostSoundControl;
|
|
|
|
/*************************************************************************/
|
|
PaDeviceID Pa_GetDefaultOutputDeviceID( void )
|
|
{
|
|
/* stub */
|
|
return 0;
|
|
}
|
|
|
|
/*************************************************************************/
|
|
PaDeviceID Pa_GetDefaultInputDeviceID( void )
|
|
{
|
|
/* stub */
|
|
return 0;
|
|
}
|
|
|
|
/*************************************************************************/
|
|
const PaDeviceInfo* Pa_GetDeviceInfo( PaDeviceID id )
|
|
{
|
|
/* stub */
|
|
return NULL;
|
|
}
|
|
|
|
/*************************************************************************/
|
|
int Pa_CountDevices()
|
|
{
|
|
/* stub */
|
|
return 1;
|
|
}
|
|
|
|
/*************************************************************************/
|
|
PaError PaHost_Init( void )
|
|
{
|
|
/* we have to create this in order to use BMediaRoster. I hope it doesn't
|
|
* cause problems */
|
|
be_app = new BApplication("application/x-vnd.portaudio-app");
|
|
|
|
return paNoError;
|
|
}
|
|
|
|
PaError PaHost_Term( void )
|
|
{
|
|
delete be_app;
|
|
return paNoError;
|
|
}
|
|
|
|
/*************************************************************************/
|
|
PaError PaHost_StreamActive( internalPortAudioStream *past )
|
|
{
|
|
PaHostSoundControl *pahsc = (PaHostSoundControl *)past->past_DeviceData;
|
|
DBUG(("IsRunning returning: %s\n",
|
|
pahsc->pahsc_InputNodeInstance->IsRunning() ? "true" : "false"));
|
|
|
|
return (PaError)pahsc->pahsc_InputNodeInstance->IsRunning();
|
|
}
|
|
|
|
PaError PaHost_StartOutput( internalPortAudioStream *past )
|
|
{
|
|
return paNoError;
|
|
}
|
|
|
|
/*************************************************************************/
|
|
PaError PaHost_StartInput( internalPortAudioStream *past )
|
|
{
|
|
return paNoError;
|
|
}
|
|
|
|
/*************************************************************************/
|
|
PaError PaHost_StopInput( internalPortAudioStream *past, int abort )
|
|
{
|
|
return paNoError;
|
|
}
|
|
|
|
/*************************************************************************/
|
|
PaError PaHost_StopOutput( internalPortAudioStream *past, int abort )
|
|
{
|
|
return paNoError;
|
|
}
|
|
|
|
|
|
/*************************************************************************/
|
|
PaError PaHost_StartEngine( internalPortAudioStream *past )
|
|
{
|
|
bigtime_t very_soon, start_latency;
|
|
status_t err;
|
|
BMediaRoster *roster = BMediaRoster::Roster(&err);
|
|
PaHostSoundControl *pahsc = (PaHostSoundControl *)past->past_DeviceData;
|
|
|
|
/* for some reason, err indicates an error (though nothing it wrong)
|
|
* when the DBUG macro in pa_lib.c is enabled. It's reproducably
|
|
* linked. Weird. */
|
|
if( !roster /* || err != B_OK */ )
|
|
{
|
|
DBUG(("No media server! err=%d, roster=%x\n", err, roster));
|
|
return paHostError;
|
|
}
|
|
|
|
/* tell the node when to start -- since there aren't any other nodes
|
|
* starting that we have to wait for, just tell it to start now
|
|
*/
|
|
|
|
BTimeSource *timeSource = roster->MakeTimeSourceFor(pahsc->pahsc_TimeSource);
|
|
very_soon = timeSource->PerformanceTimeFor( BTimeSource::RealTime() );
|
|
timeSource->Release();
|
|
|
|
/* Add the latency of starting the network of nodes */
|
|
err = roster->GetStartLatencyFor( pahsc->pahsc_TimeSource, &start_latency );
|
|
very_soon += start_latency;
|
|
|
|
err = roster->StartNode( pahsc->pahsc_InputNode, very_soon );
|
|
/* No need to start the mixer -- it's always running */
|
|
|
|
return paNoError;
|
|
}
|
|
|
|
|
|
/*************************************************************************/
|
|
PaError PaHost_StopEngine( internalPortAudioStream *past, int abort )
|
|
{
|
|
PaHostSoundControl *pahsc = (PaHostSoundControl *)past->past_DeviceData;
|
|
BMediaRoster *roster = BMediaRoster::Roster();
|
|
|
|
if( !roster )
|
|
{
|
|
DBUG(("No media roster!\n"));
|
|
return paHostError;
|
|
}
|
|
|
|
if( !pahsc )
|
|
return paHostError;
|
|
|
|
/* this crashes, and I don't know why yet */
|
|
// if( abort )
|
|
// pahsc->pahsc_InputNodeInstance->mAborted = true;
|
|
|
|
roster->StopNode(pahsc->pahsc_InputNode, 0, /* immediate = */ true);
|
|
|
|
return paNoError;
|
|
}
|
|
|
|
|
|
/*************************************************************************/
|
|
PaError PaHost_OpenStream( internalPortAudioStream *past )
|
|
{
|
|
status_t err;
|
|
BMediaRoster *roster = BMediaRoster::Roster(&err);
|
|
PaHostSoundControl *pahsc;
|
|
|
|
/* Allocate and initialize host data. */
|
|
pahsc = (PaHostSoundControl *) PaHost_AllocateFastMemory(sizeof(PaHostSoundControl));
|
|
if( pahsc == NULL )
|
|
{
|
|
goto error;
|
|
}
|
|
memset( pahsc, 0, sizeof(PaHostSoundControl) );
|
|
past->past_DeviceData = (void *) pahsc;
|
|
|
|
if( !roster /* || err != B_OK */ )
|
|
{
|
|
/* no media server! */
|
|
DBUG(("No media server.\n"));
|
|
goto error;
|
|
}
|
|
|
|
if ( past->past_NumInputChannels > 0 && past->past_NumOutputChannels > 0 )
|
|
{
|
|
/* filter -- not implemented yet */
|
|
goto error;
|
|
}
|
|
else if ( past->past_NumInputChannels > 0 )
|
|
{
|
|
/* recorder -- not implemented yet */
|
|
goto error;
|
|
}
|
|
else
|
|
{
|
|
/* player ****************************************************************/
|
|
|
|
status_t err;
|
|
int32 num;
|
|
|
|
/* First we need to create the three components (like components in a stereo
|
|
* system). The mixer component is our interface to the sound card, data
|
|
* we write there will get played. The BePA_InputNode component is the node
|
|
* which represents communication with the PA client (it is what calls the
|
|
* client's callbacks). The time source component is the sound card's DAC,
|
|
* which allows us to slave the other components to it instead of the system
|
|
* clock. */
|
|
err = roster->GetAudioMixer( &pahsc->pahsc_OutputNode );
|
|
if( err != B_OK )
|
|
{
|
|
DBUG(("Couldn't get default mixer.\n"));
|
|
goto error;
|
|
}
|
|
|
|
err = roster->GetTimeSource( &pahsc->pahsc_TimeSource );
|
|
if( err != B_OK )
|
|
{
|
|
DBUG(("Couldn't get time source.\n"));
|
|
goto error;
|
|
}
|
|
|
|
pahsc->pahsc_InputNodeInstance = new PaPlaybackNode(2, 44100,
|
|
past->past_FramesPerUserBuffer, past->past_Callback, past->past_UserData );
|
|
pahsc->pahsc_InputNodeInstance->SetSampleFormat(0,
|
|
past->past_OutputSampleFormat);
|
|
err = roster->RegisterNode( pahsc->pahsc_InputNodeInstance );
|
|
if( err != B_OK )
|
|
{
|
|
DBUG(("Unable to register node.\n"));
|
|
goto error;
|
|
}
|
|
|
|
roster->GetNodeFor( pahsc->pahsc_InputNodeInstance->Node().node,
|
|
&pahsc->pahsc_InputNode );
|
|
if( err != B_OK )
|
|
{
|
|
DBUG(("Unable to get input node.\n"));
|
|
goto error;
|
|
}
|
|
|
|
/* Now we have three components (nodes) sitting next to each other. The
|
|
* next step is to look at them and find their inputs and outputs so we can
|
|
* wire them together. */
|
|
err = roster->GetFreeInputsFor( pahsc->pahsc_OutputNode,
|
|
&pahsc->pahsc_MixerInput, 1, &num, B_MEDIA_RAW_AUDIO );
|
|
if( err != B_OK || num < 1 )
|
|
{
|
|
DBUG(("Couldn't get the mixer input.\n"));
|
|
goto error;
|
|
}
|
|
|
|
err = roster->GetFreeOutputsFor( pahsc->pahsc_InputNode,
|
|
&pahsc->pahsc_PaOutput, 1, &num, B_MEDIA_RAW_AUDIO );
|
|
if( err != B_OK || num < 1 )
|
|
{
|
|
DBUG(("Couldn't get PortAudio output.\n"));
|
|
goto error;
|
|
}
|
|
|
|
|
|
/* We've found the input and output -- the final step is to run a wire
|
|
* between them so they are connected. */
|
|
|
|
/* try to make the mixer input adapt to what PA sends it */
|
|
pahsc->pahsc_Format = pahsc->pahsc_PaOutput.format;
|
|
roster->Connect( pahsc->pahsc_PaOutput.source,
|
|
pahsc->pahsc_MixerInput.destination, &pahsc->pahsc_Format,
|
|
&pahsc->pahsc_PaOutput, &pahsc->pahsc_MixerInput );
|
|
|
|
|
|
/* Actually, there's one final step -- tell them all to sync to the
|
|
* sound card's DAC */
|
|
roster->SetTimeSourceFor( pahsc->pahsc_InputNode.node,
|
|
pahsc->pahsc_TimeSource.node );
|
|
roster->SetTimeSourceFor( pahsc->pahsc_OutputNode.node,
|
|
pahsc->pahsc_TimeSource.node );
|
|
|
|
}
|
|
|
|
return paNoError;
|
|
|
|
error:
|
|
PaHost_CloseStream( past );
|
|
return paHostError;
|
|
}
|
|
|
|
/*************************************************************************/
|
|
PaError PaHost_CloseStream( internalPortAudioStream *past )
|
|
{
|
|
PaHostSoundControl *pahsc = (PaHostSoundControl *)past->past_DeviceData;
|
|
status_t err;
|
|
BMediaRoster *roster = BMediaRoster::Roster(&err);
|
|
|
|
if( !roster )
|
|
{
|
|
DBUG(("Couldn't get media roster\n"));
|
|
return paHostError;
|
|
}
|
|
|
|
if( !pahsc )
|
|
return paHostError;
|
|
|
|
/* Disconnect all the connections we made when opening the stream */
|
|
|
|
roster->Disconnect(pahsc->pahsc_InputNode.node, pahsc->pahsc_PaOutput.source,
|
|
pahsc->pahsc_OutputNode.node, pahsc->pahsc_MixerInput.destination);
|
|
|
|
DBUG(("Calling ReleaseNode()"));
|
|
roster->ReleaseNode(pahsc->pahsc_InputNode);
|
|
|
|
/* deleting the node shouldn't be necessary -- it is reference counted, and will
|
|
* delete itself when its references drop to zero. the call to ReleaseNode()
|
|
* above should decrease its reference count */
|
|
pahsc->pahsc_InputNodeInstance = NULL;
|
|
|
|
return paNoError;
|
|
}
|
|
|
|
/*************************************************************************/
|
|
PaTimestamp Pa_StreamTime( PortAudioStream *stream )
|
|
{
|
|
internalPortAudioStream *past = (internalPortAudioStream *) stream;
|
|
PaHostSoundControl *pahsc = (PaHostSoundControl *)past->past_DeviceData;
|
|
|
|
return pahsc->pahsc_InputNodeInstance->GetStreamTime();
|
|
}
|
|
|
|
/*************************************************************************/
|
|
void Pa_Sleep( long msec )
|
|
{
|
|
/* snooze() takes microseconds */
|
|
snooze( msec * 1000 );
|
|
}
|
|
|
|
/*************************************************************************
|
|
* Allocate memory that can be accessed in real-time.
|
|
* This may need to be held in physical memory so that it is not
|
|
* paged to virtual memory.
|
|
* This call MUST be balanced with a call to PaHost_FreeFastMemory().
|
|
* Memory will be set to zero.
|
|
*/
|
|
void *PaHost_AllocateFastMemory( long numBytes )
|
|
{
|
|
/* BeOS supports non-pagable memory through pools -- a pool is an area
|
|
* of physical memory that is locked. It would be best to pre-allocate
|
|
* that pool and then hand out memory from it, but we don't know in
|
|
* advance how much we'll need. So for now, we'll allocate a pool
|
|
* for every request we get, storing a pointer to the pool at the
|
|
* beginning of the allocated memory */
|
|
rtm_pool *pool;
|
|
void *addr;
|
|
long size = numBytes + sizeof(rtm_pool *);
|
|
static int counter = 0;
|
|
char pool_name[100];
|
|
|
|
/* Every pool needs a unique name. */
|
|
sprintf(pool_name, "PaPoolNumber%d", counter++);
|
|
|
|
if( rtm_create_pool( &pool, size, pool_name ) != B_OK )
|
|
return 0;
|
|
|
|
addr = rtm_alloc( pool, size );
|
|
if( addr == NULL )
|
|
return 0;
|
|
|
|
memset( addr, 0, numBytes );
|
|
*((rtm_pool **)addr) = pool; // store the pointer to the pool
|
|
addr = (rtm_pool **)addr + 1; // and return the next location in memory
|
|
|
|
return addr;
|
|
}
|
|
|
|
/*************************************************************************
|
|
* Free memory that could be accessed in real-time.
|
|
* This call MUST be balanced with a call to PaHost_AllocateFastMemory().
|
|
*/
|
|
void PaHost_FreeFastMemory( void *addr, long numBytes )
|
|
{
|
|
rtm_pool *pool;
|
|
|
|
if( addr == NULL )
|
|
return;
|
|
|
|
addr = (rtm_pool **)addr - 1;
|
|
pool = *((rtm_pool **)addr);
|
|
|
|
rtm_free( addr );
|
|
rtm_delete_pool( pool );
|
|
}
|