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Fixed invalid buffer size by rounding up to next multiple of 

nBlockAlign.
Added test to verify buffer rounding behavior.
This commit is contained in:
Robert Reif 2005-02-16 16:09:02 +00:00 committed by Alexandre Julliard
parent 373dc8909f
commit b8d6b310f9
6 changed files with 81 additions and 13 deletions
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9
dlls/dsound/buffer.c
View File

@ -1060,9 +1060,14 @@ HRESULT WINAPI IDirectSoundBufferImpl_Create(
CopyMemory(dsb->pwfx, wfex, cp_size);
dsb->buflen = dsbd->dwBufferBytes;
dsb->freq = dsbd->lpwfxFormat->nSamplesPerSec;
if (dsbd->dwBufferBytes % dsbd->lpwfxFormat->nBlockAlign)
dsb->buflen = dsbd->dwBufferBytes +
(dsbd->lpwfxFormat->nBlockAlign -
(dsbd->dwBufferBytes % dsbd->lpwfxFormat->nBlockAlign));
else
dsb->buflen = dsbd->dwBufferBytes;
dsb->freq = dsbd->lpwfxFormat->nSamplesPerSec;
dsb->notify = NULL;
dsb->notifies = NULL;
dsb->nrofnotifies = 0;

3
dlls/dsound/tests/ds3d.c
View File

@ -713,7 +713,8 @@ static HRESULT test_secondary(LPGUID lpGuid, int play,
else
bufdesc.dwFlags|=
(DSBCAPS_CTRLFREQUENCY|DSBCAPS_CTRLVOLUME|DSBCAPS_CTRLPAN);
bufdesc.dwBufferBytes=wfx.nAvgBytesPerSec*BUFFER_LEN/1000;
bufdesc.dwBufferBytes=align(wfx.nAvgBytesPerSec*BUFFER_LEN/1000,
wfx.nBlockAlign);
bufdesc.lpwfxFormat=&wfx;
if (winetest_interactive) {
trace(" Testing a %s%ssecondary buffer %s%s%s%sat %ldx%dx%d "

3
dlls/dsound/tests/ds3d8.c
View File

@ -615,7 +615,8 @@ static HRESULT test_secondary8(LPGUID lpGuid, int play,
else
bufdesc.dwFlags|=
(DSBCAPS_CTRLFREQUENCY|DSBCAPS_CTRLVOLUME|DSBCAPS_CTRLPAN);
bufdesc.dwBufferBytes=wfx.nAvgBytesPerSec*BUFFER_LEN/1000;
bufdesc.dwBufferBytes=align(wfx.nAvgBytesPerSec*BUFFER_LEN/1000,
wfx.nBlockAlign);
bufdesc.lpwfxFormat=&wfx;
if (has_3d) {
/* a stereo 3D buffer should fail */

60
dlls/dsound/tests/dsound.c
View File

@ -305,7 +305,8 @@ static HRESULT test_dsound(LPGUID lpGuid)
ZeroMemory(&bufdesc, sizeof(bufdesc));
bufdesc.dwSize=sizeof(bufdesc);
bufdesc.dwFlags=DSBCAPS_GETCURRENTPOSITION2 | DSBCAPS_CTRL3D;
bufdesc.dwBufferBytes=wfx.nAvgBytesPerSec*BUFFER_LEN/1000;
bufdesc.dwBufferBytes=align(wfx.nAvgBytesPerSec*BUFFER_LEN/1000,
wfx.nBlockAlign);
bufdesc.lpwfxFormat=&wfx;
rc=IDirectSound_CreateSoundBuffer(dso,&bufdesc,&secondary,NULL);
ok(rc==DS_OK && secondary!=NULL,
@ -573,7 +574,8 @@ static HRESULT test_primary_secondary(LPGUID lpGuid)
ZeroMemory(&bufdesc, sizeof(bufdesc));
bufdesc.dwSize=sizeof(bufdesc);
bufdesc.dwFlags=DSBCAPS_GETCURRENTPOSITION2;
bufdesc.dwBufferBytes=wfx.nAvgBytesPerSec*BUFFER_LEN/1000;
bufdesc.dwBufferBytes=align(wfx.nAvgBytesPerSec*BUFFER_LEN/1000,
wfx.nBlockAlign);
bufdesc.lpwfxFormat=&wfx2;
if (winetest_interactive) {
trace(" Testing a primary buffer at %ldx%dx%d with a "
@ -672,7 +674,8 @@ static HRESULT test_secondary(LPGUID lpGuid)
ZeroMemory(&bufdesc, sizeof(bufdesc));
bufdesc.dwSize=sizeof(bufdesc);
bufdesc.dwFlags=DSBCAPS_GETCURRENTPOSITION2;
bufdesc.dwBufferBytes=wfx.nAvgBytesPerSec*BUFFER_LEN/1000;
bufdesc.dwBufferBytes=align(wfx.nAvgBytesPerSec*BUFFER_LEN/1000,
wfx.nBlockAlign);
rc=IDirectSound_CreateSoundBuffer(dso,&bufdesc,&secondary,NULL);
ok(rc==DSERR_INVALIDPARAM,"IDirectSound_CreateSoundBuffer() "
"should have returned DSERR_INVALIDPARAM, returned: %s\n",
@ -684,7 +687,8 @@ static HRESULT test_secondary(LPGUID lpGuid)
ZeroMemory(&bufdesc, sizeof(bufdesc));
bufdesc.dwSize=sizeof(bufdesc);
bufdesc.dwFlags=DSBCAPS_GETCURRENTPOSITION2;
bufdesc.dwBufferBytes=wfx.nAvgBytesPerSec*BUFFER_LEN/1000;
bufdesc.dwBufferBytes=align(wfx.nAvgBytesPerSec*BUFFER_LEN/1000,
wfx.nBlockAlign);
bufdesc.lpwfxFormat=&wfx;
if (winetest_interactive) {
trace(" Testing a secondary buffer at %ldx%dx%d "
@ -727,6 +731,53 @@ EXIT:
return rc;
}
static HRESULT test_block_align(LPGUID lpGuid)
{
HRESULT rc;
LPDIRECTSOUND dso=NULL;
LPDIRECTSOUNDBUFFER secondary=NULL;
DSBUFFERDESC bufdesc;
DSBCAPS dsbcaps;
WAVEFORMATEX wfx;
int ref;
/* Create the DirectSound object */
rc=DirectSoundCreate(lpGuid,&dso,NULL);
ok(rc==DS_OK||rc==DSERR_NODRIVER||rc==DSERR_ALLOCATED,
"DirectSoundCreate() failed: %s\n",DXGetErrorString8(rc));
if (rc!=DS_OK)
return rc;
init_format(&wfx,WAVE_FORMAT_PCM,11025,16,2);
ZeroMemory(&bufdesc, sizeof(bufdesc));
bufdesc.dwSize=sizeof(bufdesc);
bufdesc.dwFlags=DSBCAPS_GETCURRENTPOSITION2;
bufdesc.dwBufferBytes=wfx.nAvgBytesPerSec + 1;
bufdesc.lpwfxFormat=&wfx;
rc=IDirectSound_CreateSoundBuffer(dso,&bufdesc,&secondary,NULL);
ok(rc==DS_OK,"IDirectSound_CreateSoundBuffer() "
"should have returned DS_OK, returned: %s\n",
DXGetErrorString8(rc));
if (rc==DS_OK && secondary!=NULL) {
rc=IDirectSoundBuffer_GetCaps(secondary,&dsbcaps);
ok(rc==DS_OK,"IDirectSoundBuffer_GetCaps() should have returned DS_OK, "
"returned: %s\n", DXGetErrorString8(rc));
ok(dsbcaps.dwBufferBytes==(wfx.nAvgBytesPerSec + 4),
"Buffer size not a multiple of nBlockAlign\n");
ref=IDirectSoundBuffer_Release(secondary);
ok(ref==0,"IDirectSoundBuffer_Release() secondary has %d references, "
"should have 0\n",ref);
}
ref=IDirectSound_Release(dso);
ok(ref==0,"IDirectSound_Release() has %d references, should have 0\n",ref);
if (ref!=0)
return DSERR_GENERIC;
return rc;
}
static BOOL WINAPI dsenum_callback(LPGUID lpGuid, LPCSTR lpcstrDescription,
LPCSTR lpcstrModule, LPVOID lpContext)
{
@ -738,6 +789,7 @@ static BOOL WINAPI dsenum_callback(LPGUID lpGuid, LPCSTR lpcstrDescription,
else if (rc == DSERR_ALLOCATED)
trace(" Already In Use\n");
else {
test_block_align(lpGuid);
test_primary(lpGuid);
test_primary_secondary(lpGuid);
test_secondary(lpGuid);

17
dlls/dsound/tests/dsound8.c
View File

@ -38,6 +38,11 @@
static HRESULT (WINAPI *pDirectSoundCreate8)(LPCGUID,LPDIRECTSOUND8*,LPUNKNOWN)=NULL;
int align(int length, int align)
{
return (length / align) * align;
}
static void IDirectSound8_test(LPDIRECTSOUND8 dso, BOOL initialized,
LPCGUID lpGuid)
{
@ -315,7 +320,8 @@ static HRESULT test_dsound8(LPGUID lpGuid)
ZeroMemory(&bufdesc, sizeof(bufdesc));
bufdesc.dwSize=sizeof(bufdesc);
bufdesc.dwFlags=DSBCAPS_GETCURRENTPOSITION2 | DSBCAPS_CTRL3D;
bufdesc.dwBufferBytes=wfx.nAvgBytesPerSec*BUFFER_LEN/1000;
bufdesc.dwBufferBytes=align(wfx.nAvgBytesPerSec*BUFFER_LEN/1000,
wfx.nBlockAlign);
bufdesc.lpwfxFormat=&wfx;
rc=IDirectSound8_CreateSoundBuffer(dso,&bufdesc,&secondary,NULL);
ok(rc==DS_OK && secondary!=NULL,
@ -594,7 +600,8 @@ static HRESULT test_primary_secondary8(LPGUID lpGuid)
ZeroMemory(&bufdesc, sizeof(bufdesc));
bufdesc.dwSize=sizeof(bufdesc);
bufdesc.dwFlags=DSBCAPS_GETCURRENTPOSITION2;
bufdesc.dwBufferBytes=wfx.nAvgBytesPerSec*BUFFER_LEN/1000;
bufdesc.dwBufferBytes=align(wfx.nAvgBytesPerSec*BUFFER_LEN/1000,
wfx.nBlockAlign);
bufdesc.lpwfxFormat=&wfx2;
if (winetest_interactive) {
trace(" Testing a primary buffer at %ldx%dx%d with a "
@ -693,7 +700,8 @@ static HRESULT test_secondary8(LPGUID lpGuid)
ZeroMemory(&bufdesc, sizeof(bufdesc));
bufdesc.dwSize=sizeof(bufdesc);
bufdesc.dwFlags=DSBCAPS_GETCURRENTPOSITION2;
bufdesc.dwBufferBytes=wfx.nAvgBytesPerSec*BUFFER_LEN/1000;
bufdesc.dwBufferBytes=align(wfx.nAvgBytesPerSec*BUFFER_LEN/1000,
wfx.nBlockAlign);
rc=IDirectSound8_CreateSoundBuffer(dso,&bufdesc,&secondary,NULL);
ok(rc==DSERR_INVALIDPARAM,"IDirectSound8_CreateSoundBuffer() "
"should have returned DSERR_INVALIDPARAM, returned: %s\n",
@ -705,7 +713,8 @@ static HRESULT test_secondary8(LPGUID lpGuid)
ZeroMemory(&bufdesc, sizeof(bufdesc));
bufdesc.dwSize=sizeof(bufdesc);
bufdesc.dwFlags=DSBCAPS_GETCURRENTPOSITION2;
bufdesc.dwBufferBytes=wfx.nAvgBytesPerSec*BUFFER_LEN/1000;
bufdesc.dwBufferBytes=align(wfx.nAvgBytesPerSec*BUFFER_LEN/1000,
wfx.nBlockAlign);
bufdesc.lpwfxFormat=&wfx;
if (winetest_interactive) {
trace(" Testing a secondary buffer at %ldx%dx%d "

2
dlls/dsound/tests/dsound_test.h
View File

@ -50,7 +50,6 @@ static const unsigned int formats[][4]={
#define TIME_SLICE 31
#define BUFFER_LEN 400
extern char* wave_generate_la(WAVEFORMATEX*,double,DWORD*);
extern HWND get_hwnd(void);
extern void init_format(WAVEFORMATEX*,int,int,int,int);
@ -61,3 +60,4 @@ extern void test_buffer8(LPDIRECTSOUND8,LPDIRECTSOUNDBUFFER,
BOOL,BOOL,LONG,BOOL,LONG,BOOL,double,BOOL,
LPDIRECTSOUND3DLISTENER,BOOL,BOOL);
extern const char * getDSBCAPS(DWORD xmask);
extern int align(int length, int align);