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pa.c
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pa.c
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// Copyright (c) <2012> <Leif Asbrink>
//
// 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.
//
// 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 <string.h>
#include "globdef.h"
#include "uidef.h"
#include "padef.h"
#include "thrdef.h"
#include "sigdef.h"
#include "keyboard_def.h"
#include "fft1def.h"
#include "screendef.h"
#include "txdef.h"
#include "options.h"
#if OSNUM == OSNUM_WINDOWS
#include "wscreen.h"
#endif
#if OSNUM == OSNUM_LINUX
#include "lscreen.h"
#endif
#define MAX_LATENCY 20
typedef void PaStream;
typedef int PaDeviceIndex;
typedef int PaHostApiIndex;
typedef int PaError;
typedef double PaTime;
typedef unsigned long PaSampleFormat;
typedef unsigned long PaStreamCallbackFlags;
typedef unsigned long PaStreamFlags;
#define paNoFlag ((PaStreamFlags) 0)
#define paClipOff ((PaStreamFlags) 0x00000001)
#define paDitherOff ((PaStreamFlags) 0x00000002)
#define paInputOverflow ((PaStreamCallbackFlags) 0x00000002)
#define paOutputUnderflow ((PaStreamCallbackFlags) 0x00000004)
#define paFloat32 ((PaSampleFormat) 0x00000001) /**< @see PaSampleFormat */
#define paInt32 ((PaSampleFormat) 0x00000002) /**< @see PaSampleFormat */
#define paInt24 ((PaSampleFormat) 0x00000004) /**< Packed 24 bit format. @see PaSampleFormat */
#define paInt16 ((PaSampleFormat) 0x00000008) /**< @see PaSampleFormat */
#define paInt8 ((PaSampleFormat) 0x00000010) /**< @see PaSampleFormat */
#define paUInt8 ((PaSampleFormat) 0x00000020) /**< @see PaSampleFormat */
#define paCustomFormat ((PaSampleFormat) 0x00010000)/**< @see PaSampleFormat */
#define paNonInterleaved ((PaSampleFormat) 0x80000000)
#define paFormatIsSupported (0)
typedef enum PaErrorCode {
paNoError = 0,
paNotInitialized = -10000,
paUnanticipatedHostError,
paInvalidChannelCount,
paInvalidSampleRate,
paInvalidDevice,
paInvalidFlag,
paSampleFormatNotSupported,
paBadIODeviceCombination,
paInsufficientMemory,
paBufferTooBig,
paBufferTooSmall,
paNullCallback,
paBadStreamPtr,
paTimedOut,
paInternalError,
paDeviceUnavailable,
paIncompatibleHostApiSpecificStreamInfo,
paStreamIsStopped,
paStreamIsNotStopped,
paInputOverflowed,
paOutputUnderflowed,
paHostApiNotFound,
paInvalidHostApi,
paCanNotReadFromACallbackStream,
paCanNotWriteToACallbackStream,
paCanNotReadFromAnOutputOnlyStream,
paCanNotWriteToAnInputOnlyStream,
paIncompatibleStreamHostApi,
paBadBufferPtr
}
PaErrorCode;
typedef enum PaHostApiTypeId {
paInDevelopment=0,
paDirectSound=1,
paMME=2,
paASIO=3,
paSoundManager=4,
paCoreAudio=5,
paOSS=7,
paALSA=8,
paAL=9,
paBeOS=10,
paWDMKS=11,
paJACK=12,
paWASAPI=13,
paAudioScienceHPI=14
}
PaHostApiTypeId;
typedef enum PaStreamCallbackResult {
paContinue=0,
paComplete=1,
paAbort=2
}
PaStreamCallbackResult;
typedef struct PaStreamCallbackTimeInfo {
PaTime inputBufferAdcTime;
PaTime currentTime;
PaTime outputBufferDacTime;
}
PaStreamCallbackTimeInfo;
typedef struct PaHostApiInfo {
int structVersion;
PaHostApiTypeId type;
const char *name;
int deviceCount;
PaDeviceIndex defaultInputDevice;
PaDeviceIndex defaultOutputDevice;
}
PaHostApiInfo;
typedef struct PaHostErrorInfo {
PaHostApiTypeId hostApiType;
long errorCode;
const char *errorText;
}
PaHostErrorInfo;
typedef struct PaDeviceInfo {
int structVersion;
const char *name;
PaHostApiIndex hostApi;
int maxInputChannels;
int maxOutputChannels;
PaTime defaultLowInputLatency;
PaTime defaultLowOutputLatency;
PaTime defaultHighInputLatency;
PaTime defaultHighOutputLatency;
double defaultSampleRate;
}
PaDeviceInfo;
typedef struct PaStreamParameters {
PaDeviceIndex device;
int channelCount;
PaSampleFormat sampleFormat;
PaTime suggestedLatency;
void *hostApiSpecificStreamInfo;
}
PaStreamParameters;
typedef struct PaStreamInfo {
int structVersion;
PaTime inputLatency;
PaTime outputLatency;
double sampleRate;
}
PaStreamInfo;
typedef int PaStreamCallback(const void *input, void *output,
unsigned long frameCount, const PaStreamCallbackTimeInfo* timeInfo,
PaStreamCallbackFlags statusFlags, void *userData );
typedef int (*p_Pa_GetVersion)(void);
typedef const char* (*p_Pa_GetVersionText)(void);
typedef const char* (*p_Pa_GetErrorText)(PaError errorCode);
typedef PaError (*p_Pa_Initialize)(void);
typedef PaError (*p_Pa_Terminate)(void);
typedef const PaHostApiInfo* (*p_Pa_GetHostApiInfo)(PaHostApiIndex hostApi);
typedef PaDeviceIndex (*p_Pa_GetDeviceCount)(void);
typedef const PaDeviceInfo* (*p_Pa_GetDeviceInfo)(PaDeviceIndex device);
typedef PaError (*p_Pa_IsFormatSupported)( const PaStreamParameters *inputParameters,
const PaStreamParameters *outputParameters,
double sampleRate );
typedef PaError (*p_Pa_OpenStream)(PaStream** stream,
const PaStreamParameters *inputParameters,
const PaStreamParameters *outputParameters,
double sampleRate, unsigned long framesPerBuffer,
PaStreamFlags streamFlags, PaStreamCallback *streamCallback,
void *userData );
typedef PaError (*p_Pa_CloseStream)(PaStream *stream);
typedef PaError (*p_Pa_IsStreamStopped)(PaStream *stream);
typedef PaError (*p_Pa_AbortStream)(PaStream *stream);
typedef PaError (*p_Pa_StartStream)(PaStream *stream);
typedef const PaStreamInfo* (*p_Pa_GetStreamInfo)(PaStream *stream);
typedef void (*p_PaAlsa_EnableRealtimeScheduling)(PaStream *s, int enable);
typedef PaError (*p_PaJack_SetClientName)(const char *name);
p_Pa_GetVersion Pa_GetVersion;
p_Pa_GetVersionText Pa_GetVersionText;
p_Pa_GetErrorText Pa_GetErrorText;
p_Pa_Initialize Pa_Initialize;
p_Pa_Terminate Pa_Terminate;
p_Pa_GetHostApiInfo Pa_GetHostApiInfo;
p_Pa_GetDeviceCount Pa_GetDeviceCount;
p_Pa_GetDeviceInfo Pa_GetDeviceInfo;
p_Pa_IsFormatSupported Pa_IsFormatSupported;
p_Pa_OpenStream Pa_OpenStream;
p_Pa_CloseStream Pa_CloseStream;
p_Pa_IsStreamStopped Pa_IsStreamStopped;
p_Pa_AbortStream Pa_AbortStream;
p_Pa_StartStream Pa_StartStream;
p_Pa_GetStreamInfo Pa_GetStreamInfo;
p_PaAlsa_EnableRealtimeScheduling PaAlsa_EnableRealtimeScheduling;
p_PaJack_SetClientName PaJack_SetClientName;
PaStream *rxda_stream;
PaStream *rxad_stream;
PaStream *txad_stream;
PaStream *txda_stream;
int daout_workload_reset;
int pa_version;
#if OSNUM == OSNUM_WINDOWS
HANDLE pa_libhandle=NULL;
// Host processor. Allows to skip internal PA processing completely.
// You must set paWinWasapiRedirectHostProcessor flag to PaWasapiStreamInfo::flags member
// in order to have host processor redirected to your callback.
// Use with caution! inputFrames and outputFrames depend solely on final device setup (buffer
// size is just recommendation) but are not changing during run-time once stream is started.
typedef void (*PaWasapiHostProcessorCallback) (void *inputBuffer, long inputFrames,
void *outputBuffer, long outputFrames,
void *userData);
typedef unsigned long PaWinWaveFormatChannelMask;
typedef enum PaWasapiFlags {
paWinWasapiExclusive = (1 << 0),
paWinWasapiRedirectHostProcessor = (1 << 1),
paWinWasapiUseChannelMask = (1 << 2),
paWinWasapiPolling = (1 << 3),
paWinWasapiThreadPriority = (1 << 4)
}
PaWasapiFlags;
typedef enum PaWasapiThreadPriority {
eThreadPriorityNone = 0,
eThreadPriorityAudio,
eThreadPriorityCapture,
eThreadPriorityDistribution,
eThreadPriorityGames,
eThreadPriorityPlayback,
eThreadPriorityProAudio,
eThreadPriorityWindowManager
}
PaWasapiThreadPriority;
typedef struct PaWasapiStreamInfo {
unsigned long size;
PaHostApiTypeId hostApiType;
unsigned long version;
unsigned long flags;
PaWinWaveFormatChannelMask channelMask;
PaWasapiHostProcessorCallback hostProcessorOutput;
PaWasapiHostProcessorCallback hostProcessorInput;
PaWasapiThreadPriority threadPriority;
}
PaWasapiStreamInfo;
#define NO_OF_PADLL 5
char* portaudio_dll_files[NO_OF_PADLL]= {"palir-04",
"palir-03",
"palir-02",
"portaudio",
"libportaudio"
};
int select_portaudio_dll(void)
{
char pa_dllname[80];
char s[80];
int i, j, k, line;
int valid_files[NO_OF_PADLL];
clear_screen();
line=3;
lir_text(5,line,"Select what dll file to use for Portaudio");
line++;
lir_text(5,line,"Only high-lighted files are available on this system");
line+=2;
j=0;
k=-1;
for(i=0; i<NO_OF_PADLL; i++) {
sprintf(pa_dllname,"%s%s",DLLDIR,portaudio_dll_files[i]);
pa_libhandle=LoadLibraryEx(pa_dllname, NULL, LOAD_WITH_ALTERED_SEARCH_PATH);
if(pa_libhandle == NULL) {
settextcolor(22);
valid_files[i]=FALSE;
} else {
settextcolor(15);
valid_files[i]=TRUE;
k=i;
j++;
}
sprintf(s,"%d %s",i,pa_dllname);
lir_text(8,line,s);
line++;
}
line++;
settextcolor(7);
if(j==0) {
lir_text(5,line,"No library for Portaudio found on this system");
line+=2;
lir_text(7,line,press_any_key);
await_processed_keyboard();
return-1;
}
if(j==1) {
sprintf(s,"Only one alternative. %s autoselected",portaudio_dll_files[k]);
lir_text(5,line,s);
line+=2;
lir_text(7,line,press_any_key);
return k;
}
lir_text(5,line,"Select dll file by line number =>");
new:
;
k=lir_get_integer(40,line,1,0,NO_OF_PADLL);
if(valid_files[k] == FALSE)goto new;
clear_screen();
return k;
}
int load_pa_library(void)
{
char pa_dllname[80];
int i, info;
i=((ui.use_alsa&PORTAUDIO_DLL_VERSION)>>5)-1;
info=0;
sprintf(pa_dllname,"%s%s.dll",DLLDIR,portaudio_dll_files[i]);
pa_libhandle=LoadLibraryEx(pa_dllname, NULL, LOAD_WITH_ALTERED_SEARCH_PATH);
if(pa_libhandle == NULL)goto load_error;
info=1;
Pa_GetErrorText=(p_Pa_GetErrorText)GetProcAddress(pa_libhandle,"Pa_GetErrorText");
if(!Pa_GetErrorText)goto sym_error;
Pa_Initialize=(p_Pa_Initialize)GetProcAddress(pa_libhandle,"Pa_Initialize");
if(!Pa_Initialize)goto sym_error;
Pa_Terminate=(p_Pa_Terminate)GetProcAddress(pa_libhandle,"Pa_Terminate");
if(!Pa_Terminate)goto sym_error;
Pa_GetHostApiInfo=(p_Pa_GetHostApiInfo)GetProcAddress(pa_libhandle,"Pa_GetHostApiInfo");
if(!Pa_GetHostApiInfo)goto sym_error;
Pa_GetDeviceCount=(p_Pa_GetDeviceCount)GetProcAddress(pa_libhandle,"Pa_GetDeviceCount");
if(!Pa_GetDeviceCount)goto sym_error;
Pa_GetDeviceInfo=(p_Pa_GetDeviceInfo)GetProcAddress(pa_libhandle,"Pa_GetDeviceInfo");
if(!Pa_GetDeviceInfo)goto sym_error;
Pa_IsFormatSupported=(p_Pa_IsFormatSupported)GetProcAddress(pa_libhandle,"Pa_IsFormatSupported");
if(!Pa_IsFormatSupported)goto sym_error;
Pa_OpenStream=(p_Pa_OpenStream)GetProcAddress(pa_libhandle,"Pa_OpenStream");
if(!Pa_OpenStream)goto sym_error;
Pa_CloseStream=(p_Pa_CloseStream)GetProcAddress(pa_libhandle,"Pa_CloseStream");
if(!Pa_CloseStream)goto sym_error;
Pa_IsStreamStopped=(p_Pa_IsStreamStopped)GetProcAddress(pa_libhandle,"Pa_IsStreamStopped");
if(!Pa_IsStreamStopped)goto sym_error;
Pa_AbortStream=(p_Pa_AbortStream)GetProcAddress(pa_libhandle,"Pa_AbortStream");
if(!Pa_AbortStream)goto sym_error;
Pa_StartStream=(p_Pa_StartStream)GetProcAddress(pa_libhandle,"Pa_StartStream");
if(!Pa_StartStream)goto sym_error;
Pa_GetStreamInfo=(p_Pa_GetStreamInfo)GetProcAddress(pa_libhandle,"Pa_GetStreamInfo");
if(!Pa_GetStreamInfo)goto sym_error;
pa_version=1;
Pa_GetVersionText=(p_Pa_GetVersionText)GetProcAddress(pa_libhandle,"Pa_GetVersionText");
if(!Pa_GetVersionText)pa_version=0;
Pa_GetVersion=(p_Pa_GetVersion)GetProcAddress(pa_libhandle, "Pa_GetVersion");
if(!Pa_GetVersion)pa_version=0;
return 0;
sym_error:
;
FreeLibrary(pa_libhandle);
load_error:
;
pa_libhandle=NULL;
if(i >= 0 && i<NO_OF_PADLL) {
library_error_screen(pa_dllname,info);
} else {
library_error_screen("for Portaudio",info);
}
return -1;
}
void unload_pa_library(void)
{
if(pa_libhandle != NULL) {
FreeLibrary(pa_libhandle);
pa_libhandle=NULL;
}
}
#endif
#if(OSNUM == OSNUM_LINUX)
#include <dlfcn.h>
void *pa_libhandle;
const char linrad_name[8] ="linrad";
int pa_linux_realtime;
int pa_linux_jack;
int load_pa_library(void)
{
int info;
info=0;
pa_libhandle=dlopen(PA_LIBNAME, RTLD_LAZY);
if(pa_libhandle == NULL)goto load_error;
info=1;
Pa_GetErrorText=(p_Pa_GetErrorText)dlsym(pa_libhandle,"Pa_GetErrorText");
if(dlerror() != 0)goto sym_error;
Pa_Initialize=(p_Pa_Initialize)dlsym(pa_libhandle,"Pa_Initialize");
if(dlerror() != 0)goto sym_error;
Pa_Terminate=(p_Pa_Terminate)dlsym(pa_libhandle,"Pa_Terminate");
if(dlerror() != 0)goto sym_error;
Pa_GetHostApiInfo=(p_Pa_GetHostApiInfo)dlsym(pa_libhandle,"Pa_GetHostApiInfo");
if(dlerror() != 0)goto sym_error;
Pa_GetDeviceCount=(p_Pa_GetDeviceCount)dlsym(pa_libhandle,"Pa_GetDeviceCount");
if(dlerror() != 0)goto sym_error;
Pa_GetDeviceInfo=(p_Pa_GetDeviceInfo)dlsym(pa_libhandle,"Pa_GetDeviceInfo");
if(dlerror() != 0)goto sym_error;
Pa_IsFormatSupported=(p_Pa_IsFormatSupported)dlsym(pa_libhandle,"Pa_IsFormatSupported");
if(dlerror() != 0)goto sym_error;
Pa_OpenStream=(p_Pa_OpenStream)dlsym(pa_libhandle,"Pa_OpenStream");
if(dlerror() != 0)goto sym_error;
Pa_CloseStream=(p_Pa_CloseStream)dlsym(pa_libhandle,"Pa_CloseStream");
if(dlerror() != 0)goto sym_error;
Pa_IsStreamStopped=(p_Pa_IsStreamStopped)dlsym(pa_libhandle,"Pa_IsStreamStopped");
if(dlerror() != 0)goto sym_error;
Pa_AbortStream=(p_Pa_AbortStream)dlsym(pa_libhandle,"Pa_AbortStream");
if(dlerror() != 0)goto sym_error;
Pa_StartStream=(p_Pa_StartStream)dlsym(pa_libhandle,"Pa_StartStream");
if(dlerror() != 0)goto sym_error;
Pa_GetStreamInfo=(p_Pa_GetStreamInfo)dlsym(pa_libhandle,"Pa_GetStreamInfo");
if(dlerror() != 0)goto sym_error;
PaAlsa_EnableRealtimeScheduling=(p_PaAlsa_EnableRealtimeScheduling)
dlsym(pa_libhandle, "PaAlsa_EnableRealtimeScheduling");
if(dlerror() == 0) {
pa_linux_realtime=1;
} else {
pa_linux_realtime=0;
}
PaJack_SetClientName=(p_PaJack_SetClientName)dlsym(pa_libhandle,
"PaJack_SetClientName");
if(dlerror() == 0) {
pa_linux_jack=1;
} else {
pa_linux_jack=0;
}
pa_version=1;
Pa_GetVersionText=(p_Pa_GetVersionText)dlsym(pa_libhandle,"Pa_GetVersionText");
if(dlerror() != 0)pa_version=0;
Pa_GetVersion=(p_Pa_GetVersion)dlsym(pa_libhandle, "Pa_GetVersion");
if(dlerror() != 0)pa_version=0;
return 0;
sym_error:
;
dlclose(pa_libhandle);
load_error:
;
pa_libhandle=NULL;
library_error_screen(PA_LIBNAME,info);
return -1;
}
void unload_pa_library(void)
{
/* This causes a crash leave the lib open...
if(pa_libhandle != NULL)
{
dlclose(pa_libhandle);
pa_libhandle=NULL;
}
*/
}
#endif
#if(OSNUM == OSNUM_WINDOWS)
int pa_linux_realtime=0;
#endif
/// This routine will be called by the PortAudio engine when audio is needed.
/// It may be called at interrupt level on some machines so don't do anything
/// that could mess up the system like calling malloc() or free().
extern int rxadCallback( const void *inputBuffer, void *outputBuffer,
unsigned long framesToProcess,
const PaStreamCallbackTimeInfo* timeInfo,
PaStreamCallbackFlags statusFlags,
void *userData )
{
char s[80];
// Prevent unused variable warnings.
(void) outputBuffer;
(void) timeInfo;
(void) userData;
if(snd[RXAD].open_flag != CALLBACK_CMD_ACTIVE) {
if(snd[RXAD].open_flag == CALLBACK_CMD_START) {
snd[RXAD].open_flag=CALLBACK_ANSWER_AWAKE;
}
if(snd[RXAD].open_flag == CALLBACK_ANSWER_AWAKE) {
return paContinue;
}
snd[RXAD].open_flag=CALLBACK_ANSWER_CLOSED;
return paAbort;
}
if(portaudio_active_flag == FALSE) {
snd[RXAD].open_flag=CALLBACK_ERROR;
return paAbort;
}
if(snd[RXAD].block_frames != (int)framesToProcess) {
snd[RXAD].open_flag=CALLBACK_ERROR;
return paAbort;
}
if( (statusFlags&paInputOverflow) != 0) {
no_of_rx_overrun_errors++;
sprintf(s,"RX%s%d",overrun_error_msg,no_of_rx_overrun_errors);
wg_error(s,WGERR_RXIN);
}
memcpy(&timf1_char[timf1p_sdr],inputBuffer,snd[RXAD].block_bytes);
timf1p_sdr=(timf1p_sdr+snd[RXAD].block_bytes)&timf1_bytemask;
lir_set_event(EVENT_PORTAUDIO_RXAD_READY);
return paContinue;
}
extern int txadCallback( const void *inputBuffer, void *outputBuffer,
unsigned long framesToProcess,
const PaStreamCallbackTimeInfo* timeInfo,
PaStreamCallbackFlags statusFlags,
void *userData )
{
char s[80];
// Prevent unused variable warnings.
(void) outputBuffer;
(void) timeInfo;
(void) userData;
short int *bufs;
int *bufi;
int i, n;
if(snd[TXAD].open_flag != CALLBACK_CMD_ACTIVE) {
if(snd[TXAD].open_flag == CALLBACK_CMD_START) {
snd[TXAD].open_flag=CALLBACK_ANSWER_AWAKE;
}
return paContinue;
}
if(portaudio_active_flag == FALSE) {
snd[TXAD].open_flag=CALLBACK_ERROR;
return paAbort;
}
if(snd[TXAD].block_frames != (int)framesToProcess) {
snd[TXAD].open_flag=CALLBACK_ERROR;
return paAbort;
}
if( (statusFlags&paInputOverflow) != 0) {
no_of_rx_overrun_errors++;
sprintf(s,"TX%s%d",overrun_error_msg,no_of_rx_overrun_errors);
wg_error(s,WGERR_TXIN);
}
n=mictimf_adread_block;
if(ui.tx_ad_bytes == 2) {
bufs=(short int*)inputBuffer;
for(i=0; i<n; i++) {
mictimf_shi[mictimf_pc]=bufs[i];
mictimf_pc=(mictimf_pc+1)&mictimf_mask;
}
} else {
bufi=(int*)inputBuffer;
for(i=0; i<n; i++) {
mictimf_int[mictimf_pc]=bufi[i];
mictimf_pc=(mictimf_pc+1)&mictimf_mask;
}
}
lir_set_event(EVENT_PORTAUDIO_TXAD_READY);
return paContinue;
}
extern int rxdaCallback( const void *inputBuffer, void *outputBuffer,
unsigned long framesToProcess,
const PaStreamCallbackTimeInfo* timeInfo,
PaStreamCallbackFlags statusFlags,
void *userData )
{
char s[80];
// Prevent unused variable warnings.
(void) inputBuffer;
(void) timeInfo;
(void) userData;
int samps;
if(snd[RXDA].open_flag != CALLBACK_CMD_ACTIVE) {
if(snd[RXDA].open_flag == CALLBACK_CMD_START) {
snd[RXDA].open_flag=CALLBACK_ANSWER_AWAKE;
}
memset(outputBuffer,0,snd[RXDA].block_bytes);
return paContinue;
}
if(portaudio_active_flag == FALSE) {
snd[RXDA].open_flag=CALLBACK_ERROR;
return paAbort;
}
if(snd[RXDA].block_frames != (int)framesToProcess) {
snd[RXDA].open_flag=CALLBACK_ERROR;
return paAbort;
}
if(thread_command_flag[THREAD_RX_OUTPUT]==THRFLAG_IDLE ||
thread_status_flag[THREAD_RX_OUTPUT]==THRFLAG_IDLE)goto idle;
if(daout_workload_reset!=workload_reset_flag) {
min_daout_samps=baseband_size;
daout_workload_reset=workload_reset_flag;
}
if(audio_dump_flag == 1)goto idle;
if( (statusFlags&paOutputUnderflow) != 0) {
if(count_rx_underrun_flag) {
no_of_rx_underrun_errors++;
sprintf(s,"RX%s%d",underrun_error_msg,no_of_rx_underrun_errors);
wg_error(s,WGERR_RXOUT);
}
}
samps=(daout_pa-daout_px+daout_size)&daout_bufmask;
if( samps > snd[RXDA].block_bytes) {
memcpy(outputBuffer,&daout[daout_px],snd[RXDA].block_bytes);
daout_px=(daout_px+snd[RXDA].block_bytes)&daout_bufmask;
samps-=snd[RXDA].block_bytes;
if(min_daout_samps > samps)min_daout_samps=samps;
} else {
min_daout_samps=0;
idle:
;
memset(outputBuffer, 0, snd[RXDA].block_bytes);
}
return paContinue;
}
extern int txdaCallback( const void *inputBuffer, void *outputBuffer,
unsigned long framesToProcess,
const PaStreamCallbackTimeInfo* timeInfo,
PaStreamCallbackFlags statusFlags,
void *userData )
{
char s[80];
// Prevent unused variable warnings.
(void) inputBuffer;
(void) timeInfo;
(void) userData;
int *bufi;
short int *bufs;
int i;
bufi=(int*)outputBuffer;
bufs=(short int*)outputBuffer;
if(snd[TXDA].open_flag != CALLBACK_CMD_ACTIVE) {
if(snd[TXDA].open_flag == CALLBACK_CMD_START) {
snd[TXDA].open_flag=CALLBACK_ANSWER_AWAKE;
}
memset(outputBuffer, 0, snd[TXDA].block_bytes);
if(snd[TXDA].open_flag == CALLBACK_ANSWER_AWAKE) {
return paContinue;
}
snd[TXDA].open_flag=CALLBACK_ANSWER_CLOSED;
return paAbort;
}
if(portaudio_active_flag == FALSE) {
snd[TXDA].open_flag=CALLBACK_ERROR;
return paAbort;
}
if(snd[TXDA].block_frames != (int)framesToProcess) {
snd[TXDA].open_flag=CALLBACK_ERROR;
return paAbort;
}
if( (statusFlags&paOutputUnderflow) != 0) {
if(count_rx_underrun_flag) {
no_of_rx_underrun_errors++;
sprintf(s,"TX%s%d",underrun_error_msg,no_of_rx_underrun_errors);
wg_error(s,WGERR_TXOUT);
}
}
if( ((txout_pa-txout_px+txout_bufsiz)&txout_mask) > 2*snd[TXDA].block_frames) {
switch(tx_output_mode) {
case 0:
for(i=0; i<snd[TXDA].block_frames; i++) {
bufs[i]=TX_DA_MARGIN*0x7fff*txout[txout_px];
txout_px=(txout_px+2)&txout_mask;
}
break;
case 1:
for(i=0; i<snd[TXDA].block_frames; i++) {
bufs[2*i ]=TX_DA_MARGIN*0x7fff*txout[txout_px+1];
bufs[2*i+1]=TX_DA_MARGIN*0x7fff*txout[txout_px ];
txout_px=(txout_px+2)&txout_mask;
}
break;
case 2:
for(i=0; i<snd[TXDA].block_frames; i++) {
bufi[i]=TX_DA_MARGIN*0x7fff0000*txout[txout_px];
/*
//---------------------------------------------------------
// This is to test a bug. The generated squarewave should be
// 32 times below the Nyquist frequency.
// The Delta44 runs bursts at a 10 times too high speed.
// Useless for 32 bit data!!
if(i&32)
{
bufi[i]=TX_DA_MARGIN*0x7fff0000;
}
else
{
bufi[i]=-TX_DA_MARGIN*0x7fff0000;
}
//---------------------------------------------------------
*/
txout_px=(txout_px+2)&txout_mask;
}
break;
case 3:
for(i=0; i<snd[TXDA].block_frames; i++) {
bufi[2*i ]=TX_DA_MARGIN*0x7fff0000*txout[txout_px+1];
bufi[2*i+1]=TX_DA_MARGIN*0x7fff0000*txout[txout_px ];
/*
//---------------------------------------------------------
// This is to test a bug. The generated squarewave should be
// 32 times below the Nyquist frequency.
// The Delta44 runs bursts at a 10 times too high speed.
// Useless for 32 bit data!!
if(i&32)
{
bufi[2*i]=TX_DA_MARGIN*0x7fff0000;
bufi[2*i+1]=TX_DA_MARGIN*0x7fff0000;
}
else
{
bufi[2*i]=-TX_DA_MARGIN*0x7fff0000;
bufi[2*i+1]=0;
}
//---------------------------------------------------------
*/
txout_px=(txout_px+2)&txout_mask;
}
break;
}
} else {
memset(outputBuffer, 0, snd[TXDA].block_bytes);
}
return paContinue;
}
void portaudio_stop(void)
{
if(portaudio_active_flag == FALSE) {
lirerr(711401);
return;
}
Pa_Terminate();
}
void open_portaudio_rxad(void)
{
PaStreamParameters rxadParameters;
const PaStreamInfo *streamInfo;
PaError pa_err;
#if (OSNUM == OSNUM_WINDOWS)
const PaDeviceInfo *deviceInfo;
int i;
PaWasapiStreamInfo LinradWasapiStreaminfo;
CoInitialize(NULL);
#endif
snd[RXAD].open_flag=CALLBACK_CMD_START;
if(portaudio_active_flag == FALSE) {
rxad_status=LIR_PA_FLAG_ERROR;
lirerr(701402);
return;
}
// Set sample format
if( (ui.rx_input_mode&DWORD_INPUT) == 0) {
rxadParameters.sampleFormat = paInt16; // 2 byte samples
} else {
rxadParameters.sampleFormat = paInt32; // 4 byte samples
}
rxadParameters.device = ui.rx_addev_no;
rxadParameters.channelCount = ui.rx_ad_channels;
rxadParameters.suggestedLatency = ui.rx_ad_latency/snd[RXAD].interrupt_rate;
// ******************************************************************************
#if (OSNUM == OSNUM_WINDOWS)
//TO GET BEST LATENCY WITH WASAPI: SELECT EXCLUSIVE MODE INSTEAD OF THE DEFAULT SHARED MODE
//EXCLUSIVE MODE WORKS FOR VISTAX64, VISTAX86, WINDOWS7
//EXCLUSIVE MODE DOES NOT WORK FOR WOW64 (32-bit applications running on VISTAX64)
deviceInfo = Pa_GetDeviceInfo(ui.rx_addev_no);
if(deviceInfo == NULL) {
rxad_status=LIR_PA_FORMAT_NOT_SUPPORTED;
goto start_pa_end;
}
i = strncmp(Pa_GetHostApiInfo( deviceInfo->hostApi )->name,"Windows WASAPI", 14);
if (i==0) {
LinradWasapiStreaminfo.size=sizeof(PaWasapiStreamInfo);
LinradWasapiStreaminfo.hostApiType=paWASAPI;
LinradWasapiStreaminfo.version=1;
LinradWasapiStreaminfo.flags=paWinWasapiExclusive;
rxadParameters.hostApiSpecificStreamInfo = &LinradWasapiStreaminfo;
} else
#endif
{
rxadParameters.hostApiSpecificStreamInfo = NULL;
}
// ********************************************************************************
lir_sched_yield();
pa_err = Pa_IsFormatSupported( &rxadParameters, NULL, ui.rx_ad_speed);
if( pa_err != paFormatIsSupported ) {
DEB"\npa_err=%s\n",Pa_GetErrorText(pa_err));
rxad_status=LIR_PA_FORMAT_NOT_SUPPORTED;
goto start_pa_end;
}
timf1p_sdr=timf1p_pa;
lir_init_event(EVENT_PORTAUDIO_RXAD_READY);
// Open and Start audio I/O stream.
pa_err = Pa_OpenStream(
&rxad_stream,
&rxadParameters,
NULL,
(double)(ui.rx_ad_speed), //SAMPLE_RATE,
snd[RXAD].block_frames, //frames per buffer
paClipOff|paDitherOff, //no clipping, no dither
rxadCallback,
NULL ); //no userdata
if( pa_err != paNoError ) {
DEB"\npa_err=%s\n",Pa_GetErrorText(pa_err));
lir_close_event(EVENT_PORTAUDIO_RXAD_READY);
rxad_status=LIR_PA_OPENSTREAM_FAILED;
goto start_pa_end;
}
if(pa_linux_realtime == 1) {
PaAlsa_EnableRealtimeScheduling ( rxad_stream, 1);
}
pa_err = Pa_StartStream( rxad_stream );
if( pa_err != paNoError ) {
DEB"\npa_err=%s\n",Pa_GetErrorText(pa_err));
rxad_status=LIR_PA_START_STREAM_FAILED;
goto start_pa_end;
}
streamInfo = Pa_GetStreamInfo(rxad_stream);
DEB"\nLATENCY %f\n",streamInfo->inputLatency);
DEB"\nRXout interrupt_rate: Actual %f",snd[RXAD].interrupt_rate);
while(!kill_all_flag && snd[RXAD].open_flag != CALLBACK_ANSWER_AWAKE) {
lir_sleep(5000);
}
start_pa_end:
;
snd[RXAD].tot_bytes=timf1_bytes;
snd[RXAD].tot_frames=timf1_bytes/snd[RXAD].framesize;
snd[RXAD].no_of_blocks=timf1_bytes/snd[RXAD].block_bytes;
}
void open_portaudio_rxda(void)
{
PaStreamParameters rxdaParameters;
const PaStreamInfo *streamInfo;
PaError pa_err;
#if (OSNUM == OSNUM_WINDOWS)
const PaDeviceInfo *deviceInfo;
int i;
PaWasapiStreamInfo LinradWasapiStreaminfo;
CoInitialize(NULL);
#endif
snd[RXDA].open_flag=CALLBACK_CMD_START;
if(portaudio_active_flag == FALSE) {
rxda_status=LIR_PA_FLAG_ERROR;
lirerr(721401);
return;
}
// Set sample format
if(rx_daout_bytes == 1) {
rxdaParameters.sampleFormat = paUInt8; // 1 byte samples
} else {
rxdaParameters.sampleFormat = paInt16; // 2 byte samples
}
rxdaParameters.device = ui.rx_dadev_no;
rxdaParameters.channelCount = rx_daout_channels;
rxdaParameters.suggestedLatency = ui.rx_da_latency/snd[RXDA].interrupt_rate;
// ******************************************************************************
#if (OSNUM == OSNUM_WINDOWS)
//TO GET BEST LATENCY WITH WASAPI: SELECT EXCLUSIVE MODE INSTEAD OF THE DEFAULT SHARED MODE
//EXCLUSIVE MODE WORKS FOR VISTAX64, VISTAX86, WINDOWS7
//EXCLUSIVE MODE DOES NOT WORK FOR WOW64 (32-bit applications running on VISTAX64)
deviceInfo = Pa_GetDeviceInfo(ui.rx_dadev_no);
if(deviceInfo == NULL) {
rxad_status=LIR_PA_FORMAT_NOT_SUPPORTED;
goto start_pa_end;
}
i = strncmp(Pa_GetHostApiInfo( deviceInfo->hostApi )->name,"Windows WASAPI", 14);
if (i==0) {
LinradWasapiStreaminfo.size=sizeof(PaWasapiStreamInfo);
LinradWasapiStreaminfo.hostApiType=paWASAPI;
LinradWasapiStreaminfo.version=1;
LinradWasapiStreaminfo.flags=paWinWasapiExclusive;
rxdaParameters.hostApiSpecificStreamInfo = &LinradWasapiStreaminfo;
} else
#endif
{
rxdaParameters.hostApiSpecificStreamInfo = NULL;
}
// ********************************************************************************
pa_err = Pa_IsFormatSupported( NULL,&rxdaParameters, genparm[DA_OUTPUT_SPEED] );
if( pa_err != paFormatIsSupported ) {
rxda_status=LIR_PA_FORMAT_NOT_SUPPORTED;
goto start_pa_end;
}
// Open and Start audio I/O stream.
pa_err = Pa_OpenStream(
&rxda_stream,
NULL, //no input
&rxdaParameters,
(double)(genparm[DA_OUTPUT_SPEED]), //SAMPLE_RATE,
snd[RXDA].block_frames, //frames per buffer
paClipOff|paDitherOff, //no clipping, no dither
rxdaCallback,
NULL ); //no userdata
if( pa_err != paNoError ) {
rxda_status=LIR_PA_OPENSTREAM_FAILED;
goto start_pa_end;
}
if(pa_linux_realtime == 1) {
PaAlsa_EnableRealtimeScheduling ( rxda_stream, 1);
}
pa_err = Pa_StartStream( rxda_stream );
if( pa_err != paNoError ) {
rxda_status=LIR_PA_START_STREAM_FAILED;
goto start_pa_end;
}
streamInfo = Pa_GetStreamInfo(rxda_stream);
DEB" Actual %.1f",snd[RXDA].interrupt_rate);
DEB" Latency %.4f",streamInfo->outputLatency);
while(!kill_all_flag && snd[RXDA].open_flag != CALLBACK_ANSWER_AWAKE) {
lir_sleep(5000);
}
start_pa_end:
;
// set an arbitrary positive value.
if(rxda_status == LIR_OK)rx_audio_out=1;
snd[RXDA].tot_bytes=daout_size;
snd[RXDA].tot_frames=daout_size/snd[RXDA].framesize;
snd[RXDA].no_of_blocks=daout_size/snd[RXDA].block_bytes;
daout_workload_reset=workload_reset_flag;
}
void close_portaudio_rxda(void)
{
PaError pa_err;
Pa_AbortStream( rxda_stream );
pa_err=Pa_IsStreamStopped( rxda_stream );
while(pa_err == 0) {
pa_err = Pa_IsStreamStopped( rxda_stream );
lir_sleep(1000);
}
pa_err = Pa_CloseStream( rxda_stream );
if( pa_err != paNoError ) {
lirerr(1168);
}
}
void close_portaudio_rxad(void)
{
PaError pa_err;
Pa_AbortStream( rxad_stream );
pa_err=Pa_IsStreamStopped( rxad_stream );
while(pa_err == 0) {
pa_err = Pa_IsStreamStopped( rxad_stream );
lir_sleep(1000);
}
pa_err = Pa_CloseStream( rxad_stream );
if( pa_err != paNoError ) {
lirerr(1229);
}
}