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Test 32 bit float samples.

This commit is contained in:
Robert Reif 2004-08-30 18:36:06 +00:00 committed by Alexandre Julliard
parent 79b1c4dbe7
commit 1e82007cae
2 changed files with 67 additions and 3 deletions
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29
dlls/winmm/tests/capture.c
View File

@ -33,6 +33,7 @@
#include "mmreg.h"
extern GUID KSDATAFORMAT_SUBTYPE_PCM;
extern GUID KSDATAFORMAT_SUBTYPE_IEEE_FLOAT;
#include "winmm_test.h"
@ -505,7 +506,7 @@ static void wave_in_test_device(int device)
waveInClose(win);
wave_in_test_deviceIn(device,&wfex.Format,0,0,&capsA);
} else
trace("waveInOpen(%s): 24 bit not supported\n",
trace("waveInOpen(%s): 24 bit samples not supported\n",
dev_name(device));
#endif
@ -530,7 +531,31 @@ static void wave_in_test_device(int device)
waveInClose(win);
wave_in_test_deviceIn(device,&wfex.Format,0,0,&capsA);
} else
trace("waveInOpen(%s): 32 bit not supported\n",
trace("waveInOpen(%s): 32 bit samples not supported\n",
dev_name(device));
/* test if 32 bit float samples supported */
wfex.Format.wFormatTag=WAVE_FORMAT_EXTENSIBLE;
wfex.Format.nChannels=2;
wfex.Format.wBitsPerSample=32;
wfex.Format.nSamplesPerSec=22050;
wfex.Format.nBlockAlign=wfex.Format.nChannels*wfex.Format.wBitsPerSample/8;
wfex.Format.nAvgBytesPerSec=wfex.Format.nSamplesPerSec*
wfex.Format.nBlockAlign;
wfex.Format.cbSize=22;
wfex.Samples.wValidBitsPerSample=wfex.Format.wBitsPerSample;
wfex.dwChannelMask=SPEAKER_ALL;
wfex.SubFormat=KSDATAFORMAT_SUBTYPE_IEEE_FLOAT;
rc=waveInOpen(&win,device,&wfex.Format,0,0,
CALLBACK_NULL|WAVE_FORMAT_DIRECT);
ok(rc==MMSYSERR_NOERROR || rc==WAVERR_BADFORMAT ||
rc==MMSYSERR_INVALFLAG || rc==MMSYSERR_INVALPARAM,
"waveInOpen(%s): returned: %s\n",dev_name(device),wave_in_error(rc));
if (rc==MMSYSERR_NOERROR) {
waveInClose(win);
wave_in_test_deviceIn(device,&wfex.Format,0,0,&capsA);
} else
trace("waveInOpen(%s): 32 bit float samples not supported\n",
dev_name(device));
}

41
dlls/winmm/tests/wave.c
View File

@ -54,6 +54,7 @@ static char* wave_generate_la(WAVEFORMATEX* wfx, double duration, DWORD* size)
int nb_samples;
char* buf;
char* b;
WAVEFORMATEXTENSIBLE *wfex = (WAVEFORMATEXTENSIBLE*)wfx;
nb_samples=(int)(duration*wfx->nSamplesPerSec);
*size=nb_samples*wfx->nBlockAlign;
@ -79,7 +80,9 @@ static char* wave_generate_la(WAVEFORMATEX* wfx, double duration, DWORD* size)
b[2]=(sample >> 16) & 0xff;
b+=3;
}
} else if (wfx->wBitsPerSample==32) {
} else if ((wfx->wBitsPerSample==32) && ((wfx->wFormatTag == WAVE_FORMAT_PCM) ||
((wfx->wFormatTag == WAVE_FORMAT_EXTENSIBLE) &&
IsEqualGUID(&wfex->SubFormat, &KSDATAFORMAT_SUBTYPE_PCM)))) {
signed int sample=(signed int)(((double)0x7fffffff+0.5)*y-0.5);
for (j = 0; j < wfx->nChannels; j++) {
b[0]=sample & 0xff;
@ -88,6 +91,17 @@ static char* wave_generate_la(WAVEFORMATEX* wfx, double duration, DWORD* size)
b[3]=(sample >> 24) & 0xff;
b+=4;
}
} else if ((wfx->wBitsPerSample==32) && (wfx->wFormatTag == WAVE_FORMAT_EXTENSIBLE) &&
IsEqualGUID(&wfex->SubFormat, &KSDATAFORMAT_SUBTYPE_IEEE_FLOAT)) {
union { float f; char c[4]; } sample;
sample.f=y;
for (j = 0; j < wfx->nChannels; j++) {
b[0]=sample.c[0];
b[1]=sample.c[1];
b[2]=sample.c[2];
b[3]=sample.c[3];
b+=4;
}
}
}
return buf;
@ -868,6 +882,31 @@ static void wave_out_test_device(int device)
} else
trace("waveOutOpen(%s): 32 bit samples not supported\n",
dev_name(device));
/* test if 32 bit float samples supported */
wfex.Format.wFormatTag=WAVE_FORMAT_EXTENSIBLE;
wfex.Format.nChannels=2;
wfex.Format.wBitsPerSample=32;
wfex.Format.nSamplesPerSec=22050;
wfex.Format.nBlockAlign=wfex.Format.nChannels*wfex.Format.wBitsPerSample/8;
wfex.Format.nAvgBytesPerSec=wfex.Format.nSamplesPerSec*
wfex.Format.nBlockAlign;
wfex.Format.cbSize=22;
wfex.Samples.wValidBitsPerSample=wfex.Format.wBitsPerSample;
wfex.dwChannelMask=SPEAKER_ALL;
wfex.SubFormat=KSDATAFORMAT_SUBTYPE_IEEE_FLOAT;
rc=waveOutOpen(&wout,device,&wfex.Format,0,0,
CALLBACK_NULL|WAVE_FORMAT_DIRECT);
ok(rc==MMSYSERR_NOERROR || rc==WAVERR_BADFORMAT ||
rc==MMSYSERR_INVALFLAG || rc==MMSYSERR_INVALPARAM,
"waveOutOpen(%s): returned %s\n",dev_name(device),wave_out_error(rc));
if (rc==MMSYSERR_NOERROR) {
waveOutClose(wout);
wave_out_test_deviceOut(device,1.0,&wfex.Format,WAVE_FORMAT_2M16,0,
&capsA);
} else
trace("waveOutOpen(%s): 32 bit float samples not supported\n",
dev_name(device));
}
static void wave_out_tests()