static HRESULT WINAPI IAVIFile_fnInfo(IAVIFile *iface, AVIFILEINFOW *afi, LONG size)
{
IAVIFileImpl *This = impl_from_IAVIFile(iface);
TRACE("(%p,%p,%d)\n",iface,afi,size);
if (afi == NULL)
return AVIERR_BADPARAM;
if (size < 0)
return AVIERR_BADSIZE;
/* update file info */
This->fInfo.dwFlags = 0;
This->fInfo.dwCaps = AVIFILECAPS_CANREAD|AVIFILECAPS_CANWRITE;
if (This->lpFormat != NULL) {
assert(This->sInfo.dwScale != 0);
This->fInfo.dwStreams = 1;
This->fInfo.dwScale = This->sInfo.dwScale;
This->fInfo.dwRate = This->sInfo.dwRate;
This->fInfo.dwLength = This->sInfo.dwLength;
This->fInfo.dwSuggestedBufferSize = This->ckData.cksize;
This->fInfo.dwMaxBytesPerSec =
MulDiv(This->sInfo.dwSampleSize,This->sInfo.dwRate,This->sInfo.dwScale);
}
memcpy(afi, &This->fInfo, min((DWORD)size, sizeof(This->fInfo)));
if ((DWORD)size < sizeof(This->fInfo))
return AVIERR_BUFFERTOOSMALL;
return AVIERR_OK;
}
static HRESULT WINAPI IAVIFile_fnReadData(IAVIFile *iface, DWORD ckid, void *lpData, LONG *size)
{
IAVIFileImpl *This = impl_from_IAVIFile(iface);
TRACE("(%p,0x%08X,%p,%p)\n", iface, ckid, lpData, size);
return ReadExtraChunk(&This->extra, ckid, lpData, size);
}
static ULONG WINAPI ITmpFile_fnAddRef(IAVIFile *iface)
{
ITmpFileImpl *This = impl_from_IAVIFile(iface);
ULONG ref = InterlockedIncrement(&This->ref);
TRACE("(%p) -> %d\n", iface, ref);
return ref;
}
static HRESULT WINAPI IAVIFile_fnCreateStream(IAVIFile *iface, IAVIStream **avis,
AVISTREAMINFOW *asi)
{
IAVIFileImpl *This = impl_from_IAVIFile(iface);
TRACE("(%p,%p,%p)\n", iface, avis, asi);
/* check parameters */
if (avis == NULL || asi == NULL)
return AVIERR_BADPARAM;
*avis = NULL;
/* We only support one audio stream */
if (This->fInfo.dwStreams != 0 || This->lpFormat != NULL)
return AVIERR_UNSUPPORTED;
if (asi->fccType != streamtypeAUDIO)
return AVIERR_UNSUPPORTED;
/* Does the user have write permission? */
if ((This->uMode & MMIO_RWMODE) == 0)
return AVIERR_READONLY;
This->cbFormat = 0;
This->lpFormat = NULL;
memcpy(&This->sInfo, asi, sizeof(This->sInfo));
/* make sure streaminfo if okay for us */
This->sInfo.fccHandler = 0;
This->sInfo.dwFlags = 0;
This->sInfo.dwCaps = AVIFILECAPS_CANREAD|AVIFILECAPS_CANWRITE;
This->sInfo.dwStart = 0;
This->sInfo.dwInitialFrames = 0;
This->sInfo.dwFormatChangeCount = 0;
memset(&This->sInfo.rcFrame, 0, sizeof(This->sInfo.rcFrame));
This->fInfo.dwStreams = 1;
This->fInfo.dwScale = This->sInfo.dwScale;
This->fInfo.dwRate = This->sInfo.dwRate;
This->fInfo.dwLength = This->sInfo.dwLength;
This->ckData.dwDataOffset = 0;
This->ckData.cksize = 0;
*avis = &This->IAVIStream_iface;
IAVIFile_AddRef(*avis);
return AVIERR_OK;
}
static HRESULT WINAPI ITmpFile_fnQueryInterface(IAVIFile *iface, REFIID refiid,
LPVOID *obj)
{
ITmpFileImpl *This = impl_from_IAVIFile(iface);
TRACE("(%p,%s,%p)\n", This, debugstr_guid(refiid), obj);
if (IsEqualGUID(&IID_IUnknown, refiid) ||
IsEqualGUID(&IID_IAVIFile, refiid)) {
*obj = iface;
IAVIFile_AddRef(iface);
return S_OK;
}
return OLE_E_ENUM_NOMORE;
}
static HRESULT WINAPI ITmpFile_fnGetStream(IAVIFile *iface, PAVISTREAM *avis,
DWORD fccType, LONG lParam)
{
ITmpFileImpl *This = impl_from_IAVIFile(iface);
ULONG nStream = (ULONG)-1;
TRACE("(%p,%p,0x%08X,%d)\n", iface, avis, fccType, lParam);
if (avis == NULL || lParam < 0)
return AVIERR_BADPARAM;
if (fccType != streamtypeANY) {
/* search the number of the specified stream */
ULONG i;
for (i = 0; i < This->fInfo.dwStreams; i++) {
AVISTREAMINFOW sInfo;
HRESULT hr;
hr = AVIStreamInfoW(This->ppStreams[i], &sInfo, sizeof(sInfo));
if (FAILED(hr))
return hr;
if (sInfo.fccType == fccType) {
if (lParam == 0) {
nStream = i;
break;
} else
lParam--;
}
}
} else
nStream = lParam;
/* Does the requested stream exist ? */
if (nStream < This->fInfo.dwStreams && This->ppStreams[nStream] != NULL) {
*avis = This->ppStreams[nStream];
AVIStreamAddRef(*avis);
return AVIERR_OK;
}
/* Sorry, but the specified stream doesn't exist */
return AVIERR_NODATA;
}
static HRESULT WINAPI ITmpFile_fnInfo(IAVIFile *iface,
AVIFILEINFOW *afi, LONG size)
{
ITmpFileImpl *This = impl_from_IAVIFile(iface);
TRACE("(%p,%p,%d)\n",iface,afi,size);
if (afi == NULL)
return AVIERR_BADPARAM;
if (size < 0)
return AVIERR_BADSIZE;
memcpy(afi, &This->fInfo, min((DWORD)size, sizeof(This->fInfo)));
if ((DWORD)size < sizeof(This->fInfo))
return AVIERR_BUFFERTOOSMALL;
return AVIERR_OK;
}
static HRESULT WINAPI IAVIFile_fnWriteData(IAVIFile *iface, DWORD ckid, void *lpData, LONG size)
{
IAVIFileImpl *This = impl_from_IAVIFile(iface);
TRACE("(%p,0x%08X,%p,%d)\n", iface, ckid, lpData, size);
/* check parameters */
if (lpData == NULL)
return AVIERR_BADPARAM;
if (size < 0)
return AVIERR_BADSIZE;
/* Do we have write permission? */
if ((This->uMode & MMIO_RWMODE) == 0)
return AVIERR_READONLY;
This->fDirty = TRUE;
return WriteExtraChunk(&This->extra, ckid, lpData, size);
}
static HRESULT WINAPI IAVIFile_fnDeleteStream(IAVIFile *iface, DWORD fccType, LONG lParam)
{
IAVIFileImpl *This = impl_from_IAVIFile(iface);
TRACE("(%p,0x%08X,%d)\n", iface, fccType, lParam);
/* check parameter */
if (lParam < 0)
return AVIERR_BADPARAM;
/* Do we have our audio stream? */
if (lParam != 0 || This->fInfo.dwStreams == 0 ||
(fccType != 0 && fccType != streamtypeAUDIO))
return AVIERR_NODATA;
/* Have user write permissions? */
if ((This->uMode & MMIO_RWMODE) == 0)
return AVIERR_READONLY;
HeapFree(GetProcessHeap(), 0, This->lpFormat);
This->lpFormat = NULL;
This->cbFormat = 0;
/* update infos */
This->ckData.dwDataOffset = 0;
This->ckData.cksize = 0;
This->sInfo.dwScale = 0;
This->sInfo.dwRate = 0;
This->sInfo.dwLength = 0;
This->sInfo.dwSuggestedBufferSize = 0;
This->fInfo.dwStreams = 0;
This->fInfo.dwEditCount++;
This->fDirty = TRUE;
return AVIERR_OK;
}
static ULONG WINAPI ITmpFile_fnRelease(IAVIFile *iface)
{
ITmpFileImpl *This = impl_from_IAVIFile(iface);
ULONG ref = InterlockedDecrement(&This->ref);
TRACE("(%p) -> %d\n", iface, ref);
if (!ref) {
unsigned int i;
for (i = 0; i < This->fInfo.dwStreams; i++) {
if (This->ppStreams[i] != NULL) {
AVIStreamRelease(This->ppStreams[i]);
This->ppStreams[i] = NULL;
}
}
HeapFree(GetProcessHeap(), 0, This);
}
return ref;
}
static HRESULT WINAPI IAVIFile_fnGetStream(IAVIFile *iface, IAVIStream **avis, DWORD fccType,
LONG lParam)
{
IAVIFileImpl *This = impl_from_IAVIFile(iface);
TRACE("(%p,%p,0x%08X,%d)\n", iface, avis, fccType, lParam);
/* check parameter */
if (avis == NULL)
return AVIERR_BADPARAM;
*avis = NULL;
/* Does our stream exists? */
if (lParam != 0 || This->fInfo.dwStreams == 0)
return AVIERR_NODATA;
if (fccType != 0 && fccType != streamtypeAUDIO)
return AVIERR_NODATA;
*avis = &This->IAVIStream_iface;
IAVIFile_AddRef(*avis);
return AVIERR_OK;
}
static ULONG WINAPI IAVIFile_fnRelease(IAVIFile *iface)
{
IAVIFileImpl *This = impl_from_IAVIFile(iface);
return IUnknown_Release(This->outer_unk);
}
static HRESULT WINAPI IAVIFile_fnQueryInterface(IAVIFile *iface, REFIID riid, void **ret_iface)
{
IAVIFileImpl *This = impl_from_IAVIFile(iface);
return IUnknown_QueryInterface(This->outer_unk, riid, ret_iface);
}