static HRESULT WINAPI ACMStream_fnReadData(IAVIStream *iface, DWORD fcc,
LPVOID lp, LPLONG lpread)
{
IAVIStreamImpl *This = (IAVIStreamImpl *)iface;
TRACE("(%p,0x%08X,%p,%p)\n", iface, fcc, lp, lpread);
assert(This->pStream != NULL);
return IAVIStream_ReadData(This->pStream, fcc, lp, lpread);
}
static HRESULT WINAPI IEditAVIStream_fnReadData(IAVIStream*iface,DWORD fcc,
LPVOID lp,LONG *lpread)
{
IAVIEditStreamImpl *This = impl_from_IAVIStream( iface );
DWORD n;
TRACE("(%p,0x%08X,%p,%p)\n",iface,fcc,lp,lpread);
/* check parameters */
if (lp == NULL || lpread == NULL)
return AVIERR_BADPARAM;
/* simply ask every stream and return the first block found */
for (n = 0; n < This->nStreams; n++) {
HRESULT hr = IAVIStream_ReadData(This->pStreams[n].pStream,fcc,lp,lpread);
if (SUCCEEDED(hr))
return hr;
}
*lpread = 0;
return AVIERR_NODATA;
}