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CNFA_sf.h
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//This file was automatically generated by Makefile at https://github.com/cnlohr/cnfa
//Generated from files git hash a24b0f84ff7bf634217b21347c299bade7578d05 on Fri May 17 12:13:03 AM PDT 2024 (This is not the git hash of this file)
//Copyright <>< 2010-2020 Charles Lohr (And other authors as cited)
//CNFA is licensed under the MIT/x11, ColorChord or NewBSD Licenses. You choose.
//
// CN's Platform-agnostic, foundational sound driver subsystem.
// Easily output and input sound on a variety of platforms.
//
// Options:
// * #define CNFA_IMPLEMENTATION before this header and it will build all
// definitions in.
//
#ifndef _CNFA_H
#define _CNFA_H
//this #define is per-platform. For instance on Linux, you have ALSA, Pulse and null
#define MAX_CNFA_DRIVERS 4
struct CNFADriver;
#ifdef __cplusplus
extern "C" {
#endif
#ifdef BUILD_DLL
#ifdef WINDOWS
#define DllExport __declspec( dllexport )
#else
#define DllExport extern
#endif
#else
#define DllExport
#endif
//NOTE: Some drivers have synchronous duplex mode, other drivers will use two different callbacks. If ether is unavailable, it will be NULL.
//I.e. if `out` is null, only use in to read. If in is null, only place samples in out.
typedef void(*CNFACBType)( struct CNFADriver * sd, short * out, short * in, int framesp, int framesr );
typedef void*(CNFAInitFn)( CNFACBType cb, const char * your_name, int reqSPSPlay, int reqSPSRec, int reqChannelsPlay, int reqChannelsRec, int sugBufferSize, const char * outputSelect, const char * inputSelect, void * opaque );
struct CNFADriver
{
void (*CloseFn)( void * object );
int (*StateFn)( void * object );
CNFACBType callback;
short channelsPlay;
short channelsRec;
int spsPlay;
int spsRec;
void * opaque;
//More fields may exist on a per-sound-driver basis
};
//Accepts:
//If DriverName = 0 or empty, will try to find best driver.
//
// our_source_name is an optional argument, but on some platforms controls the name of your endpoint.
// reqSPSPlay = 44100 is guaranteed on many platforms.
// reqSPSRec = 44100 is guaranteed on many platforms.
// NOTE: Some platforms do not allow SPS play and REC to deviate from each other.
// reqChannelsRec = 1 or 2 guaranteed on many platforms.
// reqChannelsPlay = 1 or 2 guaranteedon many platforms. NOTE: Some systems require ChannelsPlay == ChannelsRec!
// sugBufferSize = No promises.
// outputSelect = No standardization, NULL is OK for default.
// inputSelect = No standardization, NULL is OK for default.
DllExport struct CNFADriver * CNFAInit( const char * driver_name, const char * your_name, CNFACBType cb, int reqSPSPlay, int reqSPSRec, int reqChannelsPlay,
int reqChannelsRec, int sugBufferSize, const char * outputSelect, const char * inputSelect, void * opaque );
DllExport int CNFAState( struct CNFADriver * cnfaobject ); //returns bitmask. 1 if mic recording, 2 if play back running, 3 if both running.
DllExport void CNFAClose( struct CNFADriver * cnfaobject );
//Called by various sound drivers. Notice priority must be greater than 0. Priority of 0 or less will not register.
//This is an internal function. Applications shouldnot call it.
void RegCNFADriver( int priority, const char * name, CNFAInitFn * fn );
#if defined(_MSC_VER) && !defined(__clang__)
#define REGISTER_CNFA( cnfadriver, priority, name, function ) \
void REGISTER##cnfadriver() { RegCNFADriver( priority, name, function ); }
#else
#define REGISTER_CNFA( cnfadriver, priority, name, function ) \
void __attribute__((constructor)) REGISTER##cnfadriver() { RegCNFADriver( priority, name, function ); }
#endif
#if defined(WINDOWS) || defined(__WINDOWS__) || defined(_WINDOWS) \
|| defined(_WIN32) || defined(_WIN64) \
|| defined(WIN32) || defined(WIN64) \
|| defined(__WIN32__) || defined(__CYGWIN__) \
|| defined(__MINGW32__) || defined(__MINGW64__) \
|| defined(__TOS_WIN__)
#define CNFA_WINDOWS 1
#elif defined( ANDROID ) || defined( __android__ ) || defined(ANDROID)
#define CNFA_ANDROID 1
#elif defined(__NetBSD__) || defined(__NetBSD) || defined(__sun) || defined(sun)
#define CNFA_SUN 1
#elif defined(__linux) || defined(__linux__) || defined(linux) || defined(__LINUX__)
#define CNFA_LINUX 1
#endif
#if defined(PULSEAUDIO)
#define CNFA_PULSE 1
#endif
#ifdef __TINYC__
#ifndef TCC
#define TCC
#endif
#endif
#ifdef CNFA_IMPLEMENTATION
//Copyright <>< 2010-2020 Charles Lohr (And other authors as cited)
//CNFA is licensed under the MIT/x11, ColorChord or NewBSD Licenses. You choose.
#ifndef _CNFA_C
#define _CNFA_C
#include <string.h>
#include <stdio.h>
#include <stdlib.h>
#if defined(_MSC_VER)
#if CNFA_WINDOWS
#ifndef strdup
#define strdup _strdup
#endif
#endif
#endif
static CNFAInitFn * CNFADrivers[MAX_CNFA_DRIVERS];
static char * CNFADriverNames[MAX_CNFA_DRIVERS];
static int CNFADriverPriorities[MAX_CNFA_DRIVERS];
void RegCNFADriver( int priority, const char * name, CNFAInitFn * fn )
{
int j;
if( priority <= 0 )
{
return;
}
printf("[CNFA] Registering Driver: %s\n", name);
for( j = MAX_CNFA_DRIVERS-1; j >= 0; j-- )
{
//Cruise along, find location to insert
if( j > 0 && ( !CNFADrivers[j-1] || CNFADriverPriorities[j-1] < priority ) )
{
CNFADrivers[j] = CNFADrivers[j-1];
CNFADriverNames[j] = CNFADriverNames[j-1];
CNFADriverPriorities[j] = CNFADriverPriorities[j-1];
}
else
{
CNFADrivers[j] = fn;
CNFADriverNames[j] = strdup( name );
CNFADriverPriorities[j] = priority;
break;
}
}
}
struct CNFADriver * CNFAInit( const char * driver_name, const char * your_name, CNFACBType cb, int reqSPSPlay, int reqSPSRec,
int reqChannelsPlay, int reqChannelsRec, int sugBufferSize, const char * outputSelect, const char * inputSelect, void * opaque)
{
#if CNFA_ANDROID
//Android can't run static-time code.
void REGISTERAndroidCNFA();
REGISTERAndroidCNFA();
#endif
int i;
struct CNFADriver * ret = 0;
int minprio = 0;
CNFAInitFn * bestinit = 0;
if( driver_name == 0 || strlen( driver_name ) == 0 )
{
//Search for a driver.
for( i = 0; i < MAX_CNFA_DRIVERS; i++ )
{
if( CNFADrivers[i] == 0 )
{
break;
}
if( CNFADriverPriorities[i] > minprio )
{
minprio = CNFADriverPriorities[i];
bestinit = CNFADrivers[i];
}
}
if( bestinit )
{
ret = (struct CNFADriver *)bestinit( cb, your_name, reqSPSPlay, reqSPSRec, reqChannelsPlay, reqChannelsRec, sugBufferSize, outputSelect, inputSelect, opaque );
}
if( ret )
{
return ret;
}
}
else
{
for( i = 0; i < MAX_CNFA_DRIVERS; i++ )
{
if( CNFADrivers[i] == 0 )
{
break;
}
if( strcmp( CNFADriverNames[i], driver_name ) == 0 )
{
return (struct CNFADriver *)CNFADrivers[i]( cb, your_name, reqSPSPlay, reqSPSRec, reqChannelsPlay, reqChannelsRec, sugBufferSize, outputSelect, inputSelect, opaque );
}
}
}
printf( "CNFA Driver not found.\n" );
return 0;
}
int CNFAState( struct CNFADriver * cnfaobject )
{
if( cnfaobject )
{
return cnfaobject->StateFn( cnfaobject );
}
return -1;
}
void CNFAClose( struct CNFADriver * cnfaobject )
{
if( cnfaobject )
{
cnfaobject->CloseFn( cnfaobject );
}
}
#endif
//Copyright 2015-2020 <>< Charles Lohr under the ColorChord License.
#include "os_generic.h"
#include <stdlib.h>
struct CNFADriverNull
{
void (*CloseFn)( void * object );
int (*StateFn)( void * object );
CNFACBType callback;
short channelsPlay;
short channelsRec;
int spsPlay;
int spsRec;
void * opaque;
};
void CloseCNFANull( void * object )
{
free( object );
}
int CNFAStateNull( void * object )
{
return 0;
}
void * InitCNFANull( CNFACBType cb, const char * your_name, int reqSPSPlay, int reqSPSRec, int reqChannelsPlay, int reqChannelsRec, int sugBufferSize, const char * outputSelect, const char * inputSelect, void * opaque )
{
struct CNFADriverNull * r = (struct CNFADriverNull *)malloc( sizeof( struct CNFADriverNull ) );
r->CloseFn = CloseCNFANull;
r->StateFn = CNFAStateNull;
r->callback = cb;
r->spsPlay = reqSPSPlay;
r->spsRec = reqSPSRec;
r->opaque = opaque;
r->channelsPlay = reqChannelsPlay;
r->channelsRec = reqChannelsRec;
return r;
}
REGISTER_CNFA( NullCNFA, 1, "NULL", InitCNFANull );
#if CNFA_WINDOWS
#include "CNFA_winmm.c"
#include <ntverp.h> // This probably won't work on pre-NT systems
#if VER_PRODUCTBUILD >= 7601
#include "CNFA_wasapi.c"
#endif
#elif CNFA_ANDROID
//Copyright 2019-2020 <>< Charles Lohr under the ColorChord License, MIT/x11 license or NewBSD Licenses.
// This was originally to be used with rawdrawandroid
#include "os_generic.h"
#include <pthread.h> //Using android threads not os_generic threads.
#include <assert.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
//based on https://github.com/android/ndk-samples/blob/master/native-audio/app/src/main/cpp/native-audio-jni.c
// for native audio
#include <SLES/OpenSLES.h>
#include <SLES/OpenSLES_Android.h>
#include <android_native_app_glue.h>
#include <jni.h>
#include <native_activity.h>
struct CNFADriverAndroid
{
//Standard header - must remain.
void (*CloseFn)( void * object );
int (*StateFn)( void * object );
CNFACBType callback;
short channelsPlay;
short channelsRec;
int spsPlay;
int spsRec;
void * opaque;
int buffsz;
SLObjectItf engineObject;
SLEngineItf engineEngine;
SLRecordItf recorderRecord;
SLObjectItf recorderObject;
SLPlayItf playerPlay;
SLObjectItf playerObject;
SLObjectItf outputMixObject;
SLAndroidSimpleBufferQueueItf recorderBufferQueue;
SLAndroidSimpleBufferQueueItf playerBufferQueue;
//unsigned recorderSize;
int recorderBufferSizeBytes;
int playerBufferSizeBytes;
short * recorderBuffer;
short * playerBuffer;
};
void bqRecorderCallback(SLAndroidSimpleBufferQueueItf bq, void *context)
{
struct CNFADriverAndroid * r = (struct CNFADriverAndroid*)context;
r->callback( (struct CNFADriver*)r, 0, r->recorderBuffer, 0, r->buffsz/(sizeof(short)*r->channelsRec) );
(*r->recorderBufferQueue)->Enqueue( r->recorderBufferQueue, r->recorderBuffer, r->recorderBufferSizeBytes/(r->channelsRec*sizeof(short)) );
}
void bqPlayerCallback(SLAndroidSimpleBufferQueueItf bq, void *context)
{
struct CNFADriverAndroid * r = (struct CNFADriverAndroid*)context;
r->callback( (struct CNFADriver*)r, r->playerBuffer, 0, r->buffsz/(sizeof(short)*r->channelsPlay), 0 );
(*r->playerBufferQueue)->Enqueue( r->playerBufferQueue, r->playerBuffer, r->playerBufferSizeBytes/(r->channelsPlay*sizeof(short)));
}
static struct CNFADriverAndroid* InitAndroidDriver( struct CNFADriverAndroid * r )
{
SLresult result;
printf( "Starting InitAndroidDriver\n" );
// create engine
result = slCreateEngine(&r->engineObject, 0, NULL, 0, NULL, NULL);
assert(SL_RESULT_SUCCESS == result);
(void)result;
// realize the engine
result = (*r->engineObject)->Realize(r->engineObject, SL_BOOLEAN_FALSE);
assert(SL_RESULT_SUCCESS == result);
(void)result;
// get the engine interface, which is needed in order to create other objects
result = (*r->engineObject)->GetInterface(r->engineObject, SL_IID_ENGINE, &r->engineEngine);
assert(SL_RESULT_SUCCESS == result);
(void)result;
///////////////////////////////////////////////////////////////////////////////////////////////////////
if( r->channelsPlay )
{
printf("create output mix");
SLDataFormat_PCM format_pcm ={
SL_DATAFORMAT_PCM,
r->channelsPlay,
r->spsPlay*1000,
SL_PCMSAMPLEFORMAT_FIXED_16,
SL_PCMSAMPLEFORMAT_FIXED_16,
(r->channelsPlay==1)?SL_SPEAKER_FRONT_CENTER:3,
SL_BYTEORDER_LITTLEENDIAN,
};
SLDataLocator_AndroidSimpleBufferQueue loc_bq_play = {SL_DATALOCATOR_ANDROIDSIMPLEBUFFERQUEUE, 2};
SLDataSource source = {&loc_bq_play, &format_pcm};
const SLInterfaceID ids[1] = {SL_IID_VOLUME};
const SLboolean req[1] = {SL_BOOLEAN_TRUE};
const SLInterfaceID id[1] = {SL_IID_ANDROIDSIMPLEBUFFERQUEUE};
result = (*r->engineEngine)->CreateOutputMix(r->engineEngine, &r->outputMixObject, 0, ids, req);
result = (*r->outputMixObject)->Realize(r->outputMixObject, SL_BOOLEAN_FALSE);
SLDataLocator_OutputMix loc_outmix = { SL_DATALOCATOR_OUTPUTMIX, r->outputMixObject };
SLDataSink sink;
sink.pFormat = &format_pcm;
sink.pLocator = &loc_outmix;
// create audio player
result = (*r->engineEngine)->CreateAudioPlayer(r->engineEngine, &r->playerObject, &source, &sink, 1, id, req);
if (SL_RESULT_SUCCESS != result) {
printf( "CreateAudioPlayer failed\n" );
return JNI_FALSE;
}
// realize the audio player
result = (*r->playerObject)->Realize(r->playerObject, SL_BOOLEAN_FALSE);
if (SL_RESULT_SUCCESS != result) {
printf( "AudioPlayer Realize failed: %d\n", result );
return JNI_FALSE;
}
// get the player interface
result = (*r->playerObject)->GetInterface(r->playerObject, SL_IID_PLAY, &r->playerPlay);
assert(SL_RESULT_SUCCESS == result);
(void)result;
// get the buffer queue interface
result = (*r->playerObject)->GetInterface(r->playerObject, SL_IID_ANDROIDSIMPLEBUFFERQUEUE, &r->playerBufferQueue);
assert(SL_RESULT_SUCCESS == result);
(void)result;
// register callback on the buffer queue
result = (*r->playerBufferQueue)->RegisterCallback(r->playerBufferQueue, bqPlayerCallback, r);
assert(SL_RESULT_SUCCESS == result);
(void)result;
printf( "===================== Player init ok.\n" );
}
if( r->channelsRec )
{
// configure audio source
SLDataLocator_IODevice loc_devI = {SL_DATALOCATOR_IODEVICE, SL_IODEVICE_AUDIOINPUT, SL_DEFAULTDEVICEID_AUDIOINPUT, NULL};
SLDataSource audioSrc = {&loc_devI, NULL};
// configure audio sink
SLDataFormat_PCM format_pcm ={
SL_DATAFORMAT_PCM,
r->channelsRec,
r->spsRec*1000,
SL_PCMSAMPLEFORMAT_FIXED_16,
SL_PCMSAMPLEFORMAT_FIXED_16,
(r->channelsRec==1)?SL_SPEAKER_FRONT_CENTER:3,
SL_BYTEORDER_LITTLEENDIAN,
};
SLDataLocator_AndroidSimpleBufferQueue loc_bq = {SL_DATALOCATOR_ANDROIDSIMPLEBUFFERQUEUE, 2};
SLDataSink audioSnk = {&loc_bq, &format_pcm};
const SLInterfaceID id[1] = {SL_IID_ANDROIDSIMPLEBUFFERQUEUE};
const SLboolean req[1] = {SL_BOOLEAN_TRUE};
result = (*r->engineEngine)->CreateAudioRecorder(r->engineEngine, &r->recorderObject, &audioSrc, &audioSnk, 1, id, req);
if (SL_RESULT_SUCCESS != result) {
printf( "CreateAudioRecorder failed\n" );
return JNI_FALSE;
}
// realize the audio recorder
result = (*r->recorderObject)->Realize(r->recorderObject, SL_BOOLEAN_FALSE);
if (SL_RESULT_SUCCESS != result) {
printf( "AudioRecorder Realize failed: %d\n", result );
return JNI_FALSE;
}
// get the record interface
result = (*r->recorderObject)->GetInterface(r->recorderObject, SL_IID_RECORD, &r->recorderRecord);
assert(SL_RESULT_SUCCESS == result);
(void)result;
// get the buffer queue interface
result = (*r->recorderObject)->GetInterface(r->recorderObject, SL_IID_ANDROIDSIMPLEBUFFERQUEUE, &r->recorderBufferQueue);
assert(SL_RESULT_SUCCESS == result);
(void)result;
// register callback on the buffer queue
result = (*r->recorderBufferQueue)->RegisterCallback(r->recorderBufferQueue, bqRecorderCallback, r);
assert(SL_RESULT_SUCCESS == result);
(void)result;
}
if( r->playerPlay )
{
result = (*r->playerPlay)->SetPlayState(r->playerPlay, SL_PLAYSTATE_STOPPED);
assert(SL_RESULT_SUCCESS == result); (void)result;
result = (*r->playerBufferQueue)->Clear(r->playerBufferQueue);
assert(SL_RESULT_SUCCESS == result); (void)result;
r->playerBuffer = malloc( r->playerBufferSizeBytes );
memset( r->playerBuffer, 0, r->playerBufferSizeBytes );
result = (*r->playerBufferQueue)->Enqueue(r->playerBufferQueue, r->playerBuffer, r->playerBufferSizeBytes );
assert(SL_RESULT_SUCCESS == result); (void)result;
result = (*r->playerPlay)->SetPlayState(r->playerPlay, SL_PLAYSTATE_PLAYING);
assert(SL_RESULT_SUCCESS == result); (void)result;
}
if( r->recorderRecord )
{
result = (*r->recorderRecord)->SetRecordState(r->recorderRecord, SL_RECORDSTATE_STOPPED);
assert(SL_RESULT_SUCCESS == result); (void)result;
result = (*r->recorderBufferQueue)->Clear(r->recorderBufferQueue);
assert(SL_RESULT_SUCCESS == result); (void)result;
// the buffer is not valid for playback yet
r->recorderBuffer = malloc( r->recorderBufferSizeBytes );
// enqueue an empty buffer to be filled by the recorder
// (for streaming recording, we would enqueue at least 2 empty buffers to start things off)
result = (*r->recorderBufferQueue)->Enqueue(r->recorderBufferQueue, r->recorderBuffer, r->recorderBufferSizeBytes );
// the most likely other result is SL_RESULT_BUFFER_INSUFFICIENT,
// which for this code example would indicate a programming error
assert(SL_RESULT_SUCCESS == result); (void)result;
// start recording
result = (*r->recorderRecord)->SetRecordState(r->recorderRecord, SL_RECORDSTATE_RECORDING);
assert(SL_RESULT_SUCCESS == result); (void)result;
}
printf( "Complete Init Sound Android\n" );
return r;
}
int CNFAStateAndroid( void * v )
{
struct CNFADriverAndroid * soundobject = (struct CNFADriverAndroid *)v;
return ((soundobject->recorderObject)?1:0) | ((soundobject->playerObject)?2:0);
}
void CloseCNFAAndroid( void * v )
{
struct CNFADriverAndroid * r = (struct CNFADriverAndroid *)v;
// destroy audio recorder object, and invalidate all associated interfaces
if (r->recorderObject != NULL) {
(*r->recorderObject)->Destroy(r->recorderObject);
r->recorderObject = NULL;
r->recorderRecord = NULL;
r->recorderBufferQueue = NULL;
if( r->recorderBuffer ) free( r->recorderBuffer );
}
if (r->playerObject != NULL) {
(*r->playerObject)->Destroy(r->playerObject);
r->playerObject = NULL;
r->playerPlay = NULL;
r->playerBufferQueue = NULL;
if( r->playerBuffer ) free( r->playerBuffer );
}
// destroy engine object, and invalidate all associated interfaces
if (r->engineObject != NULL) {
(*r->engineObject)->Destroy(r->engineObject);
r->engineObject = NULL;
r->engineEngine = NULL;
}
}
int AndroidHasPermissions(const char* perm_name);
void AndroidRequestAppPermissions(const char * perm);
void * InitCNFAAndroid( CNFACBType cb, const char * your_name, int reqSPSPlay, int reqSPSRec, int reqChannelsPlay, int reqChannelsRec, int sugBufferSize, const char * outputSelect, const char * inputSelect, void * opaque )
{
struct CNFADriverAndroid * r = (struct CNFADriverAndroid *)malloc( sizeof( struct CNFADriverAndroid ) );
memset( r, 0, sizeof( *r) );
r->CloseFn = CloseCNFAAndroid;
r->StateFn = CNFAStateAndroid;
r->callback = cb;
r->opaque = opaque;
r->channelsPlay = reqChannelsPlay;
r->channelsRec = reqChannelsRec;
r->spsRec = reqSPSRec;
r->spsPlay = reqSPSPlay;
r->recorderBufferSizeBytes = sugBufferSize * 2 * r->channelsRec;
r->playerBufferSizeBytes = sugBufferSize * 2 * r->channelsPlay;
int hasperm = AndroidHasPermissions( "RECORD_AUDIO" );
if( !hasperm )
{
AndroidRequestAppPermissions( "RECORD_AUDIO" );
}
r->buffsz = sugBufferSize;
return InitAndroidDriver(r);
}
//Tricky: On Android, this can't actually run before main. Have to manually execute it.
REGISTER_CNFA( AndroidCNFA, 10, "ANDROID", InitCNFAAndroid );
#elif CNFA_SUN
//Copyright 2015-2020 <>< Charles Lohr under the MIT/x11, NewBSD or ColorChord License. You choose.
#include "os_generic.h"
#include <sys/audioio.h>
#include <sys/ioctl.h>
#include <fcntl.h>
#include <string.h>
#include <errno.h>
struct CNFADriverSun
{
void (*CloseFn)( void * object );
int (*StateFn)( void * object );
CNFACBType callback;
short channelsPlay;
short channelsRec;
int spsPlay;
int spsRec;
void * opaque;
char * devRec;
char * devPlay;
short * samplesRec;
short * samplesPlay;
og_thread_t threadPlay;
og_thread_t threadRec;
int bufsize;
int playback_handle;
int record_handle;
char playing;
char recording;
};
int CNFAStateSun( void * v )
{
struct CNFADriverSun * r = (struct CNFADriverSun *)v;
return ((r->playing)?2:0) | ((r->recording)?1:0);
}
void CloseCNFASun( void * v )
{
struct CNFADriverSun * r = (struct CNFADriverSun *)v;
if( r )
{
if( r->playback_handle != -1 ) close (r->playback_handle);
if( r->record_handle != -1 ) close (r->record_handle);
if( r->threadPlay ) OGJoinThread( r->threadPlay );
if( r->threadRec ) OGJoinThread( r->threadRec );
OGUSleep(2000);
free( r->devRec );
free( r->devPlay );
free( r->samplesRec );
free( r->samplesPlay );
free( r );
}
}
void * RecThread( void * v )
{
struct CNFADriverSun * r = (struct CNFADriverSun *)v;
size_t nbytes = r->bufsize * (2 * r->channelsRec);
do
{
int nread = read( r->record_handle, r->samplesRec, nbytes );
if( nread < 0 )
{
fprintf( stderr, "Warning: Sun Recording Failed\n" );
break;
}
r->recording = 1;
r->callback( (struct CNFADriver *)r, NULL, r->samplesRec, 0, (nread / 2) / r->channelsRec);
} while( 1 );
r->recording = 0;
fprintf( stderr, "Sun Recording Stopped\n" );
return 0;
}
void * PlayThread( void * v )
{
struct CNFADriverSun * r = (struct CNFADriverSun *)v;
size_t nbytes = r->bufsize * (2 * r->channelsPlay);
int err;
r->callback( (struct CNFADriver *)r, r->samplesPlay, NULL, r->bufsize, 0 );
err = write( r->playback_handle, r->samplesPlay, nbytes );
while( err >= 0 )
{
r->callback( (struct CNFADriver *)r, r->samplesPlay, NULL, r->bufsize, 0 );
err = write( r->playback_handle, r->samplesPlay, nbytes );
r->playing = 1;
}
r->playing = 0;
fprintf( stderr, "Sun Playback Stopped\n" );
return 0;
}
static struct CNFADriverSun * InitSun( struct CNFADriverSun * r )
{
const char * devPlay = r->devPlay;
const char * devRec = r->devRec;
struct audio_info rinfo, pinfo;
if( devRec == NULL || strcmp ( devRec, "default" ) == 0 )
{
devRec = "/dev/audio";
}
if( devPlay == NULL || strcmp ( devPlay , "default" ) == 0 )
{
devPlay = "/dev/audio";
}
printf( "CNFA Sun Init -> devPlay: %s, channelsPlay: %d, spsPlay: %d, devRec: %s, channelsRec: %d, spsRec: %d\n", devPlay, r->channelsPlay, r->spsPlay, devRec, r->channelsRec, r->spsRec);
if( r->channelsPlay && r->channelsRec && strcmp (devPlay, devRec) == 0 )
{
if ( (r->playback_handle = r->record_handle = open (devPlay, O_RDWR)) < 0 )
{
fprintf (stderr, "cannot open audio device (%s)\n",
strerror (errno));
goto fail;
}
}
else
{
if( r->channelsPlay )
{
if ( (r->playback_handle = open (devPlay, O_WRONLY)) < 0 )
{
fprintf (stderr, "cannot open output audio device %s (%s)\n",
r->devPlay, strerror (errno));
goto fail;
}
}
if( r->channelsRec )
{
if ( (r->record_handle = open (devRec, O_RDONLY)) < 0 )
{
fprintf (stderr, "cannot open input audio device %s (%s)\n",
r->devRec, strerror (errno));
goto fail;
}
}
}
if( r->playback_handle )
{
AUDIO_INITINFO(&pinfo);
pinfo.play.precision = 16;
pinfo.play.encoding = AUDIO_ENCODING_LINEAR;
pinfo.play.sample_rate = r->spsPlay;
pinfo.play.channels = r->channelsPlay;
if ( ioctl(r->playback_handle, AUDIO_SETINFO, &pinfo) < 0 )
{
fprintf (stderr, "cannot set audio playback format (%s)\n",
strerror (errno));
goto fail;
}
if ( ioctl(r->playback_handle, AUDIO_GETINFO, &pinfo) < 0 )
{
fprintf (stderr, "cannot get audio record format (%s)\n",
strerror (errno));
goto fail;
}
r->spsPlay = pinfo.play.sample_rate;
r->channelsPlay = pinfo.play.channels;
if ( (r->samplesPlay = calloc(2 * r->channelsPlay, r->bufsize)) == NULL )
{
goto fail;
}
}
if( r->record_handle )
{
AUDIO_INITINFO(&rinfo);
rinfo.record.precision = 16;
rinfo.record.encoding = AUDIO_ENCODING_LINEAR;
rinfo.record.sample_rate = r->spsRec;
rinfo.record.channels = r->channelsRec;
if ( ioctl(r->record_handle, AUDIO_SETINFO, &rinfo) < 0 )
{
fprintf (stderr, "cannot set audio record format (%s)\n",
strerror (errno));
goto fail;
}
if ( ioctl(r->record_handle, AUDIO_GETINFO, &rinfo) < 0 )
{
fprintf (stderr, "cannot get audio record format (%s)\n",
strerror (errno));
goto fail;
}
r->spsRec = rinfo.record.sample_rate;
r->channelsRec = rinfo.record.channels;
if ( (r->samplesRec = calloc(2 * r->channelsRec, r->bufsize)) == NULL )
{
goto fail;
}
}
if( r->playback_handle )
{
r->threadPlay = OGCreateThread( PlayThread, r );
}
if( r->record_handle )
{
r->threadRec = OGCreateThread( RecThread, r );
}
printf( "CNFA Sun Init Out -> channelsPlay: %d, spsPlay: %d, channelsRec: %d, spsRec: %d\n", r->channelsPlay, r->spsPlay, r->channelsRec, r->spsRec);
return r;
fail:
if( r )
{
if( r->playback_handle != -1 ) close (r->playback_handle);
if( r->record_handle != -1 ) close (r->record_handle);
free( r->samplesPlay );
free( r->samplesRec );
free( r );
}
return 0;
}
void * InitSunDriver( CNFACBType cb, const char * your_name, int reqSPSPlay, int reqSPSRec, int reqChannelsPlay, int reqChannelsRec, int sugBufferSize, const char * outputSelect, const char * inputSelect, void * opaque )
{
struct CNFADriverSun * r = (struct CNFADriverSun *)malloc( sizeof( struct CNFADriverSun ) );
r->CloseFn = CloseCNFASun;
r->StateFn = CNFAStateSun;
r->callback = cb;
r->opaque = opaque;
r->spsPlay = reqSPSPlay;
r->spsRec = reqSPSRec;
r->channelsPlay = reqChannelsPlay;
r->channelsRec = reqChannelsRec;
r->devRec = (inputSelect)?strdup(inputSelect):0;
r->devPlay = (outputSelect)?strdup(outputSelect):0;
r->samplesPlay = NULL;
r->samplesRec = NULL;
r->playback_handle = -1;
r->record_handle = -1;
r->bufsize = sugBufferSize;
return InitSun(r);
}
REGISTER_CNFA( SUN, 10, "Sun", InitSunDriver );
#elif CNFA_LINUX
//Copyright 2015-2020 <>< Charles Lohr under the MIT/x11, NewBSD or ColorChord License. You choose.
#include "os_generic.h"
#include <alsa/asoundlib.h>
#include <string.h>
struct CNFADriverAlsa
{
void (*CloseFn)( void * object );
int (*StateFn)( void * object );
CNFACBType callback;
short channelsPlay;
short channelsRec;
int spsPlay;
int spsRec;
void * opaque;
char * devRec;
char * devPlay;
snd_pcm_uframes_t bufsize;
og_thread_t threadPlay;
og_thread_t threadRec;
snd_pcm_t *playback_handle;
snd_pcm_t *record_handle;
char playing;
char recording;
};
int CNFAStateAlsa( void * v )
{
struct CNFADriverAlsa * r = (struct CNFADriverAlsa *)v;
return ((r->playing)?2:0) | ((r->recording)?1:0);
}
void CloseCNFAAlsa( void * v )
{
struct CNFADriverAlsa * r = (struct CNFADriverAlsa *)v;
if( r )
{
if( r->playback_handle ) snd_pcm_close (r->playback_handle);
if( r->record_handle ) snd_pcm_close (r->record_handle);
if( r->threadPlay ) OGJoinThread( r->threadPlay );
if( r->threadRec ) OGJoinThread( r->threadRec );
OGUSleep(2000);
if( r->devRec ) free( r->devRec );
if( r->devPlay ) free( r->devPlay );
free( r );
}
}
static int SetHWParams( snd_pcm_t * handle, int * samplerate, short * channels, snd_pcm_uframes_t * bufsize, struct CNFADriverAlsa * a )
{
int err;
int bufs;
int dir;
snd_pcm_hw_params_t *hw_params;
if ((err = snd_pcm_hw_params_malloc (&hw_params)) < 0) {
fprintf (stderr, "cannot allocate hardware parameter structure (%s)\n",
snd_strerror (err));
return -1;
}
if ((err = snd_pcm_hw_params_any (handle, hw_params)) < 0) {
fprintf (stderr, "cannot initialize hardware parameter structure (%s)\n",
snd_strerror (err));
goto fail;
}
if ((err = snd_pcm_hw_params_set_access (handle, hw_params, SND_PCM_ACCESS_RW_INTERLEAVED)) < 0) {
fprintf (stderr, "cannot set access type (%s)\n",
snd_strerror (err));
goto fail;
}
if ((err = snd_pcm_hw_params_set_format (handle, hw_params, SND_PCM_FORMAT_S16_LE )) < 0) {
fprintf (stderr, "cannot set sample format (%s)\n",
snd_strerror (err));
goto fail;
}
if ((err = snd_pcm_hw_params_set_rate_near (handle, hw_params, (unsigned int*)samplerate, 0)) < 0) {
fprintf (stderr, "cannot set sample rate (%s)\n",
snd_strerror (err));
goto fail;
}
if ((err = snd_pcm_hw_params_set_channels (handle, hw_params, *channels)) < 0) {
fprintf (stderr, "cannot set channel count (%s)\n",
snd_strerror (err));
goto fail;
}
dir = 0;
if( (err = snd_pcm_hw_params_set_period_size_near(handle, hw_params, bufsize, &dir)) < 0 )
{
fprintf( stderr, "cannot set period size. (%s)\n",
snd_strerror(err) );
goto fail;
}