adjust handling of iscapture

- drop iscapture parameter of OpenDevice
- use SDL_bool for iscapture
This commit is contained in:
pionere 2022-01-19 12:58:04 +01:00 committed by Ryan C. Gordon
parent e2f70a2dff
commit 1043dd8c0d
32 changed files with 69 additions and 60 deletions

View file

@ -289,7 +289,7 @@ SDL_AudioFreeDeviceHandle_Default(void *handle)
static int
SDL_AudioOpenDevice_Default(_THIS, void *handle, const char *devname, int iscapture)
SDL_AudioOpenDevice_Default(_THIS, void *handle, const char *devname)
{
return SDL_Unsupported();
}
@ -458,7 +458,7 @@ free_device_list(SDL_AudioDeviceItem **devices, int *devCount)
/* The audio backends call this when a new device is plugged in. */
void
SDL_AddAudioDevice(const int iscapture, const char *name, SDL_AudioSpec *spec, void *handle)
SDL_AddAudioDevice(const SDL_bool iscapture, const char *name, SDL_AudioSpec *spec, void *handle)
{
const int device_index = iscapture ? add_capture_device(name, spec, handle) : add_output_device(name, spec, handle);
if (device_index != -1) {
@ -520,7 +520,7 @@ mark_device_removed(void *handle, SDL_AudioDeviceItem *devices, SDL_bool *remove
/* The audio backends call this when a device is removed from the system. */
void
SDL_RemoveAudioDevice(const int iscapture, void *handle)
SDL_RemoveAudioDevice(const SDL_bool iscapture, void *handle)
{
int device_index;
SDL_AudioDevice *device = NULL;
@ -1398,7 +1398,7 @@ open_audio_device(const char *devname, int iscapture,
}
}
if (current_audio.impl.OpenDevice(device, handle, devname, iscapture) < 0) {
if (current_audio.impl.OpenDevice(device, handle, devname) < 0) {
close_audio_device(device);
return 0;
}

View file

@ -39,11 +39,11 @@ typedef struct SDL_AudioDevice SDL_AudioDevice;
/* Audio targets should call this as devices are added to the system (such as
a USB headset being plugged in), and should also be called for
for every device found during DetectDevices(). */
extern void SDL_AddAudioDevice(const int iscapture, const char *name, SDL_AudioSpec *spec, void *handle);
extern void SDL_AddAudioDevice(const SDL_bool iscapture, const char *name, SDL_AudioSpec *spec, void *handle);
/* Audio targets should call this as devices are removed, so SDL can update
its list of available devices. */
extern void SDL_RemoveAudioDevice(const int iscapture, void *handle);
extern void SDL_RemoveAudioDevice(const SDL_bool iscapture, void *handle);
/* Audio targets should call this if an opened audio device is lost while
being used. This can happen due to i/o errors, or a device being unplugged,
@ -65,7 +65,7 @@ extern void SDL_OpenedAudioDeviceDisconnected(SDL_AudioDevice *device);
typedef struct SDL_AudioDriverImpl
{
void (*DetectDevices) (void);
int (*OpenDevice) (_THIS, void *handle, const char *devname, int iscapture);
int (*OpenDevice) (_THIS, void *handle, const char *devname);
void (*ThreadInit) (_THIS); /* Called by audio thread at start */
void (*ThreadDeinit) (_THIS); /* Called by audio thread at end */
void (*WaitDevice) (_THIS);

View file

@ -71,9 +71,10 @@ void aaudio_errorCallback( AAudioStream *stream, void *userData, aaudio_result_t
#define LIB_AAUDIO_SO "libaaudio.so"
static int
aaudio_OpenDevice(_THIS, void *handle, const char *devname, int iscapture)
aaudio_OpenDevice(_THIS, void *handle, const char *devname)
{
struct SDL_PrivateAudioData *private;
SDL_bool iscapture = this->iscapture;
aaudio_result_t res;
LOGI(__func__);

View file

@ -543,9 +543,10 @@ ALSA_set_buffer_size(_THIS, snd_pcm_hw_params_t *params)
}
static int
ALSA_OpenDevice(_THIS, void *handle, const char *devname, int iscapture)
ALSA_OpenDevice(_THIS, void *handle, const char *devname)
{
int status = 0;
SDL_bool iscapture = this->iscapture;
snd_pcm_t *pcm_handle = NULL;
snd_pcm_hw_params_t *hwparams = NULL;
snd_pcm_sw_params_t *swparams = NULL;

View file

@ -36,9 +36,10 @@ static SDL_AudioDevice* audioDevice = NULL;
static SDL_AudioDevice* captureDevice = NULL;
static int
ANDROIDAUDIO_OpenDevice(_THIS, void *handle, const char *devname, int iscapture)
ANDROIDAUDIO_OpenDevice(_THIS, void *handle, const char *devname)
{
SDL_AudioFormat test_format;
SDL_bool iscapture = this->iscapture;
SDL_assert((captureDevice == NULL) || !iscapture);
SDL_assert((audioDevice == NULL) || iscapture);

View file

@ -216,7 +216,7 @@ ARTS_Suspend(void)
}
static int
ARTS_OpenDevice(_THIS, void *handle, const char *devname, int iscapture)
ARTS_OpenDevice(_THIS, void *handle, const char *devname)
{
int rc = 0;
int bits = 0, frag_spec = 0;

View file

@ -1015,11 +1015,11 @@ audioqueue_thread(void *arg)
}
static int
COREAUDIO_OpenDevice(_THIS, void *handle, const char *devname, int iscapture)
COREAUDIO_OpenDevice(_THIS, void *handle, const char *devname)
{
AudioStreamBasicDescription *strdesc;
SDL_AudioFormat test_format = SDL_FirstAudioFormat(this->spec.format);
int valid_datatype = 0;
SDL_bool valid_datatype = SDL_FALSE, iscapture = this->iscapture;
SDL_AudioDevice **new_open_devices;
/* Initialize all variables that we clean on shutdown */
@ -1088,7 +1088,7 @@ COREAUDIO_OpenDevice(_THIS, void *handle, const char *devname, int iscapture)
case AUDIO_S32MSB:
case AUDIO_F32LSB:
case AUDIO_F32MSB:
valid_datatype = 1;
valid_datatype = SDL_TRUE;
strdesc->mBitsPerChannel = SDL_AUDIO_BITSIZE(this->spec.format);
if (SDL_AUDIO_ISBIGENDIAN(this->spec.format))
strdesc->mFormatFlags |= kLinearPCMFormatFlagIsBigEndian;

View file

@ -473,12 +473,13 @@ CreateCaptureBuffer(_THIS, const DWORD bufsize, WAVEFORMATEX *wfmt)
}
static int
DSOUND_OpenDevice(_THIS, void *handle, const char *devname, int iscapture)
DSOUND_OpenDevice(_THIS, void *handle, const char *devname)
{
const DWORD numchunks = 8;
HRESULT result;
SDL_bool valid_format = SDL_FALSE;
SDL_bool tried_format = SDL_FALSE;
SDL_bool iscapture = this->iscapture;
SDL_AudioFormat test_format = SDL_FirstAudioFormat(this->spec.format);
LPGUID guid = (LPGUID) handle;
DWORD bufsize;

View file

@ -114,7 +114,7 @@ DISKAUDIO_CloseDevice(_THIS)
static const char *
get_filename(const int iscapture, const char *devname)
get_filename(const SDL_bool iscapture, const char *devname)
{
if (devname == NULL) {
devname = SDL_getenv(iscapture ? DISKENVR_INFILE : DISKENVR_OUTFILE);
@ -126,9 +126,10 @@ get_filename(const int iscapture, const char *devname)
}
static int
DISKAUDIO_OpenDevice(_THIS, void *handle, const char *devname, int iscapture)
DISKAUDIO_OpenDevice(_THIS, void *handle, const char *devname)
{
/* handle != NULL means "user specified the placeholder name on the fake detected device list" */
SDL_bool iscapture = _this->iscapture;
const char *fname = get_filename(iscapture, handle ? NULL : devname);
const char *envr = SDL_getenv(DISKENVR_IODELAY);

View file

@ -68,8 +68,9 @@ DSP_CloseDevice(_THIS)
static int
DSP_OpenDevice(_THIS, void *handle, const char *devname, int iscapture)
DSP_OpenDevice(_THIS, void *handle, const char *devname)
{
SDL_bool iscapture = this->iscapture;
const int flags = ((iscapture) ? OPEN_FLAGS_INPUT : OPEN_FLAGS_OUTPUT);
int format;
int value;

View file

@ -28,7 +28,7 @@
#include "SDL_dummyaudio.h"
static int
DUMMYAUDIO_OpenDevice(_THIS, void *handle, const char *devname, int iscapture)
DUMMYAUDIO_OpenDevice(_THIS, void *handle, const char *devname)
{
_this->hidden = (void *) 0x1; /* just something non-NULL */
return 0; /* always succeeds. */

View file

@ -192,10 +192,11 @@ EMSCRIPTENAUDIO_CloseDevice(_THIS)
}
static int
EMSCRIPTENAUDIO_OpenDevice(_THIS, void *handle, const char *devname, int iscapture)
EMSCRIPTENAUDIO_OpenDevice(_THIS, void *handle, const char *devname)
{
SDL_bool valid_format = SDL_FALSE;
SDL_AudioFormat test_format;
SDL_bool iscapture = this->iscapture;
int result;
/* based on parts of library_sdl.js */

View file

@ -208,7 +208,7 @@ get_progname(void)
static int
ESD_OpenDevice(_THIS, void *handle, const char *devname, int iscapture)
ESD_OpenDevice(_THIS, void *handle, const char *devname)
{
esd_format_t format = (ESD_STREAM | ESD_PLAY);
SDL_AudioFormat test_format = 0;

View file

@ -174,7 +174,7 @@ SDL_FS_CloseDevice(_THIS)
static int
SDL_FS_OpenDevice(_THIS, void *handle, const char *devname, int iscapture)
SDL_FS_OpenDevice(_THIS, void *handle, const char *devname)
{
int bytes;
SDL_AudioFormat test_format = 0, format = 0;

View file

@ -120,7 +120,7 @@ UnmaskSignals(sigset_t * omask)
static int
HAIKUAUDIO_OpenDevice(_THIS, void *handle, const char *devname, int iscapture)
HAIKUAUDIO_OpenDevice(_THIS, void *handle, const char *devname)
{
int valid_datatype = 0;
media_raw_audio_format format;

View file

@ -280,12 +280,13 @@ JACK_CloseDevice(_THIS)
}
static int
JACK_OpenDevice(_THIS, void *handle, const char *devname, int iscapture)
JACK_OpenDevice(_THIS, void *handle, const char *devname)
{
/* Note that JACK uses "output" for capture devices (they output audio
data to us) and "input" for playback (we input audio data to them).
Likewise, SDL's playback port will be "output" (we write data out)
and capture will be "input" (we read data in). */
SDL_bool iscapture = this->iscapture;
const unsigned long sysportflags = iscapture ? JackPortIsOutput : JackPortIsInput;
const unsigned long sdlportflags = iscapture ? JackPortIsInput : JackPortIsOutput;
const JackProcessCallback callback = iscapture ? jackProcessCaptureCallback : jackProcessPlaybackCallback;

View file

@ -99,7 +99,7 @@ static void NACLAUDIO_CloseDevice(SDL_AudioDevice *device) {
}
static int
NACLAUDIO_OpenDevice(_THIS, void *handle, const char *devname, int iscapture) {
NACLAUDIO_OpenDevice(_THIS, void *handle, const char *devname) {
PP_Instance instance = PSGetInstanceId();
const PPB_Audio *ppb_audio = PSInterfaceAudio();
const PPB_AudioConfig *ppb_audiocfg = PSInterfaceAudioConfig();

View file

@ -331,10 +331,11 @@ find_device(_THIS)
}
static int
NAS_OpenDevice(_THIS, void *handle, const char *devname, int iscapture)
NAS_OpenDevice(_THIS, void *handle, const char *devname)
{
AuElement elms[3];
int buffer_size;
SDL_bool iscapture = this->iscapture;
SDL_AudioFormat test_format, format;
/* Initialize all variables that we clean on shutdown */

View file

@ -202,8 +202,9 @@ NETBSDAUDIO_CloseDevice(_THIS)
}
static int
NETBSDAUDIO_OpenDevice(_THIS, void *handle, const char *devname, int iscapture)
NETBSDAUDIO_OpenDevice(_THIS, void *handle, const char *devname)
{
SDL_bool iscapture = this->iscapture;
SDL_AudioFormat format = 0;
audio_info_t info, hwinfo;
struct audio_prinfo *prinfo = iscapture ? &info.record : &info.play;

View file

@ -583,14 +583,14 @@ failed:
}
static int
openslES_OpenDevice(_THIS, void *handle, const char *devname, int iscapture)
openslES_OpenDevice(_THIS, void *handle, const char *devname)
{
this->hidden = (struct SDL_PrivateAudioData *) SDL_calloc(1, (sizeof *this->hidden));
if (this->hidden == NULL) {
return SDL_OutOfMemory();
}
if (iscapture) {
if (this->iscapture) {
LOGI("openslES_OpenDevice() %s for capture", devname);
return openslES_CreatePCMRecorder(this);
} else {

View file

@ -248,8 +248,7 @@ static void OS2_CloseDevice(_THIS)
SDL_free(pAData);
}
static int OS2_OpenDevice(_THIS, void *handle, const char *devname,
int iscapture)
static int OS2_OpenDevice(_THIS, void *handle, const char *devname)
{
SDL_PrivateAudioData *pAData;
SDL_AudioFormat SDLAudioFmt;
@ -258,6 +257,7 @@ static int OS2_OpenDevice(_THIS, void *handle, const char *devname,
ULONG ulRC;
ULONG ulIdx;
BOOL new_freq;
SDL_bool iscapture = _this->iscapture;
new_freq = FALSE;
SDL_zero(stMCIAmpOpen);
@ -298,7 +298,7 @@ static int OS2_OpenDevice(_THIS, void *handle, const char *devname,
}
pAData->usDeviceId = stMCIAmpOpen.usDeviceID;
if (iscapture != 0) {
if (iscapture) {
MCI_CONNECTOR_PARMS stMCIConnector;
MCI_AMP_SET_PARMS stMCIAmpSet;
BOOL fLineIn = _getEnvULong("SDL_AUDIO_LINEIN", 1, 0);
@ -346,7 +346,7 @@ static int OS2_OpenDevice(_THIS, void *handle, const char *devname,
pAData->stMCIMixSetup.ulSamplesPerSec = _this->spec.freq;
pAData->stMCIMixSetup.ulChannels = _this->spec.channels;
pAData->stMCIMixSetup.ulDeviceType = MCI_DEVTYPE_WAVEFORM_AUDIO;
if (iscapture == 0) {
if (!iscapture) {
pAData->stMCIMixSetup.ulFormatMode= MCI_PLAY;
pAData->stMCIMixSetup.pmixEvent = cbAudioWriteEvent;
} else {

View file

@ -223,7 +223,7 @@ PAUDIO_CloseDevice(_THIS)
}
static int
PAUDIO_OpenDevice(_THIS, void *handle, const char *devname, int iscapture)
PAUDIO_OpenDevice(_THIS, void *handle, const char *devname)
{
const char *workaround = SDL_getenv("SDL_DSP_NOSELECT");
char audiodev[1024];

View file

@ -1027,7 +1027,7 @@ static const struct pw_stream_events stream_input_events = { PW_VERSION_STREAM_
.process = input_callback };
static int
PIPEWIRE_OpenDevice(_THIS, void *handle, const char *devname, int iscapture)
PIPEWIRE_OpenDevice(_THIS, void *handle, const char *devname)
{
/*
* NOTE: The PW_STREAM_FLAG_RT_PROCESS flag can be set to call the stream
@ -1048,6 +1048,7 @@ PIPEWIRE_OpenDevice(_THIS, void *handle, const char *devname, int iscapture)
const char * app_name, *stream_name, *stream_role, *error;
const Uint32 node_id = this->handle == NULL ? PW_ID_ANY : PW_HANDLE_TO_ID(this->handle);
enum pw_stream_state state;
SDL_bool iscapture = this->iscapture;
int res;
/* Clamp the period size to sane values */

View file

@ -42,7 +42,7 @@
#define PSPAUDIO_DRIVER_NAME "psp"
static int
PSPAUDIO_OpenDevice(_THIS, void *handle, const char *devname, int iscapture)
PSPAUDIO_OpenDevice(_THIS, void *handle, const char *devname)
{
int format, mixlen, i;

View file

@ -522,7 +522,7 @@ SourceDeviceNameCallback(pa_context *c, const pa_source_info *i, int is_last, vo
}
static SDL_bool
FindDeviceName(struct SDL_PrivateAudioData *h, const int iscapture, void *handle)
FindDeviceName(struct SDL_PrivateAudioData *h, const SDL_bool iscapture, void *handle)
{
const uint32_t idx = ((uint32_t) ((size_t) handle)) - 1;
@ -544,7 +544,7 @@ FindDeviceName(struct SDL_PrivateAudioData *h, const int iscapture, void *handle
}
static int
PULSEAUDIO_OpenDevice(_THIS, void *handle, const char *devname, int iscapture)
PULSEAUDIO_OpenDevice(_THIS, void *handle, const char *devname)
{
struct SDL_PrivateAudioData *h = NULL;
Uint16 test_format = 0;
@ -553,6 +553,7 @@ PULSEAUDIO_OpenDevice(_THIS, void *handle, const char *devname, int iscapture)
pa_channel_map pacmap;
pa_stream_flags_t flags = 0;
const char *name = NULL;
SDL_bool iscapture = this->iscapture;
int state = 0;
int rc = 0;

View file

@ -121,7 +121,7 @@ QSA_WaitDevice(_THIS)
/* For example, Vortex 8820 audio driver stucks on second DAC because */
/* it doesn't exist ! */
result = SDL_IOReady(this->hidden->audio_fd,
this->hidden->iscapture ? SDL_IOR_READ : SDL_IOR_WRITE,
this->iscapture ? SDL_IOR_READ : SDL_IOR_WRITE,
2 * 1000);
switch (result) {
case -1:
@ -180,7 +180,7 @@ QSA_PlayDevice(_THIS)
} else {
if ((errno == EINVAL) || (errno == EIO)) {
SDL_zero(cstatus);
if (!this->hidden->iscapture) {
if (!this->iscapture) {
cstatus.channel = SND_PCM_CHANNEL_PLAYBACK;
} else {
cstatus.channel = SND_PCM_CHANNEL_CAPTURE;
@ -196,7 +196,7 @@ QSA_PlayDevice(_THIS)
if ((cstatus.status == SND_PCM_STATUS_UNDERRUN) ||
(cstatus.status == SND_PCM_STATUS_READY)) {
if (!this->hidden->iscapture) {
if (!this->iscapture) {
status =
snd_pcm_plugin_prepare(this->hidden->
audio_handle,
@ -240,7 +240,7 @@ static void
QSA_CloseDevice(_THIS)
{
if (this->hidden->audio_handle != NULL) {
if (!this->hidden->iscapture) {
if (!this->iscapture) {
/* Finish playing available samples */
snd_pcm_plugin_flush(this->hidden->audio_handle,
SND_PCM_CHANNEL_PLAYBACK);
@ -257,9 +257,10 @@ QSA_CloseDevice(_THIS)
}
static int
QSA_OpenDevice(_THIS, void *handle, const char *devname, int iscapture)
QSA_OpenDevice(_THIS, void *handle, const char *devname)
{
const QSA_Device *device = (const QSA_Device *) handle;
SDL_Bool iscapture = this->iscapture;
int status = 0;
int format = 0;
SDL_AudioFormat test_format = 0;
@ -280,9 +281,6 @@ QSA_OpenDevice(_THIS, void *handle, const char *devname, int iscapture)
/* Initialize channel transfer parameters to default */
QSA_InitAudioParams(&cparams);
/* Initialize channel direction: capture or playback */
this->hidden->iscapture = iscapture ? SDL_TRUE : SDL_FALSE;
if (device != NULL) {
/* Open requested audio device */
this->hidden->deviceno = device->deviceno;
@ -407,7 +405,7 @@ QSA_OpenDevice(_THIS, void *handle, const char *devname, int iscapture)
/* Make sure channel is setup right one last time */
SDL_zero(csetup);
if (!this->hidden->iscapture) {
if (!this->iscapture) {
csetup.channel = SND_PCM_CHANNEL_PLAYBACK;
} else {
csetup.channel = SND_PCM_CHANNEL_CAPTURE;
@ -443,7 +441,7 @@ QSA_OpenDevice(_THIS, void *handle, const char *devname, int iscapture)
this->hidden->pcm_len);
/* get the file descriptor */
if (!this->hidden->iscapture) {
if (!this->iscapture) {
this->hidden->audio_fd =
snd_pcm_file_descriptor(this->hidden->audio_handle,
SND_PCM_CHANNEL_PLAYBACK);
@ -458,7 +456,7 @@ QSA_OpenDevice(_THIS, void *handle, const char *devname, int iscapture)
}
/* Prepare an audio channel */
if (!this->hidden->iscapture) {
if (!this->iscapture) {
/* Prepare audio playback */
status =
snd_pcm_plugin_prepare(this->hidden->audio_handle,

View file

@ -33,9 +33,6 @@
struct SDL_PrivateAudioData
{
/* SDL capture state */
SDL_bool iscapture;
/* The audio device handle */
int cardno;
int deviceno;

View file

@ -237,10 +237,11 @@ SNDIO_CloseDevice(_THIS)
}
static int
SNDIO_OpenDevice(_THIS, void *handle, const char *devname, int iscapture)
SNDIO_OpenDevice(_THIS, void *handle, const char *devname)
{
SDL_AudioFormat test_format = SDL_FirstAudioFormat(this->spec.format);
struct sio_par par;
SDL_bool iscapture = this->iscapture;
int status;
this->hidden = (struct SDL_PrivateAudioData *)

View file

@ -188,11 +188,12 @@ SUNAUDIO_CloseDevice(_THIS)
}
static int
SUNAUDIO_OpenDevice(_THIS, void *handle, const char *devname, int iscapture)
SUNAUDIO_OpenDevice(_THIS, void *handle, const char *devname)
{
#ifdef AUDIO_SETINFO
int enc;
#endif
SDL_bool iscapture = this->iscapture;
int desired_freq = 0;
const int flags = ((iscapture) ? OPEN_FLAGS_INPUT : OPEN_FLAGS_OUTPUT);
SDL_AudioFormat format = 0;

View file

@ -45,7 +45,7 @@
#define VITAAUD_DRIVER_NAME "vita"
static int
VITAAUD_OpenDevice(_THIS, void *handle, const char *devname, int iscapture)
VITAAUD_OpenDevice(_THIS, void *handle, const char *devname)
{
int format, mixlen, i, port = SCE_AUDIO_OUT_PORT_TYPE_MAIN;
int vols[2] = {SCE_AUDIO_MAX_VOLUME, SCE_AUDIO_MAX_VOLUME};

View file

@ -641,7 +641,7 @@ WASAPI_PrepDevice(_THIS, const SDL_bool updatestream)
static int
WASAPI_OpenDevice(_THIS, void *handle, const char *devname, int iscapture)
WASAPI_OpenDevice(_THIS, void *handle, const char *devname)
{
LPCWSTR devid = (LPCWSTR) handle;
@ -656,7 +656,7 @@ WASAPI_OpenDevice(_THIS, void *handle, const char *devname, int iscapture)
WASAPI_RefDevice(this); /* so CloseDevice() will unref to zero. */
if (!devid) { /* is default device? */
this->hidden->default_device_generation = SDL_AtomicGet(iscapture ? &WASAPI_DefaultCaptureGeneration : &WASAPI_DefaultPlaybackGeneration);
this->hidden->default_device_generation = SDL_AtomicGet(this->iscapture ? &WASAPI_DefaultCaptureGeneration : &WASAPI_DefaultPlaybackGeneration);
} else {
this->hidden->devid = SDL_wcsdup(devid);
if (!this->hidden->devid) {

View file

@ -283,10 +283,10 @@ PrepWaveFormat(_THIS, UINT devId, WAVEFORMATEX *pfmt, const int iscapture)
}
static int
WINMM_OpenDevice(_THIS, void *handle, const char *devname, int iscapture)
WINMM_OpenDevice(_THIS, void *handle, const char *devname)
{
SDL_AudioFormat test_format = SDL_FirstAudioFormat(this->spec.format);
int valid_datatype = 0;
SDL_bool valid_datatype = SDL_FALSE, iscapture = this->iscapture;
MMRESULT result;
WAVEFORMATEX waveformat;
UINT devId = WAVE_MAPPER; /* WAVE_MAPPER == choose system's default */
@ -321,7 +321,7 @@ WINMM_OpenDevice(_THIS, void *handle, const char *devname, int iscapture)
case AUDIO_F32:
this->spec.format = test_format;
if (PrepWaveFormat(this, devId, &waveformat, iscapture)) {
valid_datatype = 1;
valid_datatype = SDL_TRUE;
} else {
test_format = SDL_NextAudioFormat();
}