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739 lines
22 KiB
C
739 lines
22 KiB
C
/*
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* Copyright 2002 Michael Günnewig
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
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*/
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#include <assert.h>
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#include <stdarg.h>
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#include "windef.h"
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#include "winbase.h"
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#include "wingdi.h"
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#include "winuser.h"
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#include "winerror.h"
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#include "mmsystem.h"
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#include "vfw.h"
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#include "msacm.h"
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#include "avifile_private.h"
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#include "wine/debug.h"
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WINE_DEFAULT_DEBUG_CHANNEL(avifile);
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/***********************************************************************/
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static HRESULT WINAPI ACMStream_fnQueryInterface(IAVIStream*iface,REFIID refiid,LPVOID *obj);
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static ULONG WINAPI ACMStream_fnAddRef(IAVIStream*iface);
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static ULONG WINAPI ACMStream_fnRelease(IAVIStream* iface);
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static HRESULT WINAPI ACMStream_fnCreate(IAVIStream*iface,LPARAM lParam1,LPARAM lParam2);
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static HRESULT WINAPI ACMStream_fnInfo(IAVIStream*iface,AVISTREAMINFOW *psi,LONG size);
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static LONG WINAPI ACMStream_fnFindSample(IAVIStream*iface,LONG pos,LONG flags);
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static HRESULT WINAPI ACMStream_fnReadFormat(IAVIStream*iface,LONG pos,LPVOID format,LONG *formatsize);
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static HRESULT WINAPI ACMStream_fnSetFormat(IAVIStream*iface,LONG pos,LPVOID format,LONG formatsize);
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static HRESULT WINAPI ACMStream_fnRead(IAVIStream*iface,LONG start,LONG samples,LPVOID buffer,LONG buffersize,LONG *bytesread,LONG *samplesread);
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static HRESULT WINAPI ACMStream_fnWrite(IAVIStream*iface,LONG start,LONG samples,LPVOID buffer,LONG buffersize,DWORD flags,LONG *sampwritten,LONG *byteswritten);
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static HRESULT WINAPI ACMStream_fnDelete(IAVIStream*iface,LONG start,LONG samples);
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static HRESULT WINAPI ACMStream_fnReadData(IAVIStream*iface,DWORD fcc,LPVOID lp,LONG *lpread);
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static HRESULT WINAPI ACMStream_fnWriteData(IAVIStream*iface,DWORD fcc,LPVOID lp,LONG size);
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static HRESULT WINAPI ACMStream_fnSetInfo(IAVIStream*iface,AVISTREAMINFOW*info,LONG infolen);
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static const struct IAVIStreamVtbl iacmst = {
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ACMStream_fnQueryInterface,
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ACMStream_fnAddRef,
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ACMStream_fnRelease,
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ACMStream_fnCreate,
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ACMStream_fnInfo,
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ACMStream_fnFindSample,
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ACMStream_fnReadFormat,
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ACMStream_fnSetFormat,
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ACMStream_fnRead,
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ACMStream_fnWrite,
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ACMStream_fnDelete,
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ACMStream_fnReadData,
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ACMStream_fnWriteData,
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ACMStream_fnSetInfo
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};
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typedef struct _IAVIStreamImpl {
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/* IUnknown stuff */
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const IAVIStreamVtbl *lpVtbl;
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LONG ref;
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/* IAVIStream stuff */
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PAVISTREAM pStream;
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AVISTREAMINFOW sInfo;
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HACMSTREAM has;
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LPWAVEFORMATEX lpInFormat;
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LONG cbInFormat;
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LPWAVEFORMATEX lpOutFormat;
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LONG cbOutFormat;
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ACMSTREAMHEADER acmStreamHdr;
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} IAVIStreamImpl;
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/***********************************************************************/
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#define CONVERT_STREAM_to_THIS(a) do { \
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DWORD __bytes; \
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acmStreamSize(This->has,*(a) * This->lpInFormat->nBlockAlign,\
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&__bytes, ACM_STREAMSIZEF_SOURCE); \
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*(a) = __bytes / This->lpOutFormat->nBlockAlign; } while(0)
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#define CONVERT_THIS_to_STREAM(a) do { \
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DWORD __bytes; \
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acmStreamSize(This->has,*(a) * This->lpOutFormat->nBlockAlign,\
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&__bytes, ACM_STREAMSIZEF_DESTINATION); \
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*(a) = __bytes / This->lpInFormat->nBlockAlign; } while(0)
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static HRESULT AVIFILE_OpenCompressor(IAVIStreamImpl *This);
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HRESULT AVIFILE_CreateACMStream(REFIID riid, LPVOID *ppv)
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{
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IAVIStreamImpl *pstream;
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HRESULT hr;
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assert(riid != NULL && ppv != NULL);
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*ppv = NULL;
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pstream = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(IAVIStreamImpl));
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if (pstream == NULL)
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return AVIERR_MEMORY;
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pstream->lpVtbl = &iacmst;
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hr = IAVIStream_QueryInterface((IAVIStream*)pstream, riid, ppv);
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if (FAILED(hr))
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HeapFree(GetProcessHeap(), 0, pstream);
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return hr;
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}
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static HRESULT WINAPI ACMStream_fnQueryInterface(IAVIStream *iface,
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REFIID refiid, LPVOID *obj)
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{
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IAVIStreamImpl *This = (IAVIStreamImpl *)iface;
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TRACE("(%p,%s,%p)\n", iface, debugstr_guid(refiid), obj);
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if (IsEqualGUID(&IID_IUnknown, refiid) ||
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IsEqualGUID(&IID_IAVIStream, refiid)) {
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*obj = This;
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IAVIStream_AddRef(iface);
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return S_OK;
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}
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return OLE_E_ENUM_NOMORE;
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}
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static ULONG WINAPI ACMStream_fnAddRef(IAVIStream *iface)
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{
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IAVIStreamImpl *This = (IAVIStreamImpl *)iface;
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ULONG ref = InterlockedIncrement(&This->ref);
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TRACE("(%p) -> %d\n", iface, ref);
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/* also add reference to the nested stream */
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if (This->pStream != NULL)
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IAVIStream_AddRef(This->pStream);
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return ref;
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}
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static ULONG WINAPI ACMStream_fnRelease(IAVIStream* iface)
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{
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IAVIStreamImpl *This = (IAVIStreamImpl *)iface;
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ULONG ref = InterlockedDecrement(&This->ref);
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TRACE("(%p) -> %d\n", iface, ref);
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if (ref == 0) {
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/* destruct */
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if (This->has != NULL) {
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if (This->acmStreamHdr.fdwStatus & ACMSTREAMHEADER_STATUSF_PREPARED)
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acmStreamUnprepareHeader(This->has, &This->acmStreamHdr, 0);
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acmStreamClose(This->has, 0);
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This->has = NULL;
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}
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HeapFree(GetProcessHeap(), 0, This->acmStreamHdr.pbSrc);
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This->acmStreamHdr.pbSrc = NULL;
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HeapFree(GetProcessHeap(), 0, This->acmStreamHdr.pbDst);
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This->acmStreamHdr.pbDst = NULL;
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if (This->lpInFormat != NULL) {
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HeapFree(GetProcessHeap(), 0, This->lpInFormat);
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This->lpInFormat = NULL;
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This->cbInFormat = 0;
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}
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if (This->lpOutFormat != NULL) {
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HeapFree(GetProcessHeap(), 0, This->lpOutFormat);
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This->lpOutFormat = NULL;
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This->cbOutFormat = 0;
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}
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if (This->pStream != NULL) {
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IAVIStream_Release(This->pStream);
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This->pStream = NULL;
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}
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HeapFree(GetProcessHeap(), 0, This);
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return 0;
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}
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/* also release reference to the nested stream */
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if (This->pStream != NULL)
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IAVIStream_Release(This->pStream);
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return ref;
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}
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/* lParam1: PAVISTREAM
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* lParam2: LPAVICOMPRESSOPTIONS -- even if doc's say LPWAVEFORMAT
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*/
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static HRESULT WINAPI ACMStream_fnCreate(IAVIStream *iface, LPARAM lParam1,
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LPARAM lParam2)
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{
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IAVIStreamImpl *This = (IAVIStreamImpl *)iface;
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TRACE("(%p,0x%08lX,0x%08lX)\n", iface, lParam1, lParam2);
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/* check for swapped parameters */
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if ((LPVOID)lParam1 != NULL &&
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((LPAVICOMPRESSOPTIONS)lParam1)->fccType == streamtypeAUDIO) {
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register LPARAM tmp = lParam1;
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lParam1 = lParam2;
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lParam2 = tmp;
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}
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if ((LPVOID)lParam1 == NULL)
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return AVIERR_BADPARAM;
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IAVIStream_Info((PAVISTREAM)lParam1, &This->sInfo, sizeof(This->sInfo));
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if (This->sInfo.fccType != streamtypeAUDIO)
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return AVIERR_ERROR; /* error in registry or AVIMakeCompressedStream */
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This->sInfo.fccHandler = 0; /* be paranoid */
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/* FIXME: check ACM version? Which version does we need? */
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if ((LPVOID)lParam2 != NULL) {
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/* We only need the format from the compress-options */
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if (((LPAVICOMPRESSOPTIONS)lParam2)->fccType == streamtypeAUDIO)
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lParam2 = (LPARAM)((LPAVICOMPRESSOPTIONS)lParam2)->lpFormat;
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if (((LPWAVEFORMATEX)lParam2)->wFormatTag != WAVE_FORMAT_PCM)
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This->cbOutFormat = sizeof(WAVEFORMATEX) + ((LPWAVEFORMATEX)lParam2)->cbSize;
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else
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This->cbOutFormat = sizeof(PCMWAVEFORMAT);
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This->lpOutFormat = HeapAlloc(GetProcessHeap(), 0, This->cbOutFormat);
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if (This->lpOutFormat == NULL)
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return AVIERR_MEMORY;
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memcpy(This->lpOutFormat, (LPVOID)lParam2, This->cbOutFormat);
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} else {
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This->lpOutFormat = NULL;
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This->cbOutFormat = 0;
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}
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This->pStream = (PAVISTREAM)lParam1;
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IAVIStream_AddRef(This->pStream);
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return AVIERR_OK;
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}
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static HRESULT WINAPI ACMStream_fnInfo(IAVIStream *iface,LPAVISTREAMINFOW psi,
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LONG size)
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{
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IAVIStreamImpl *This = (IAVIStreamImpl *)iface;
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TRACE("(%p,%p,%d)\n", iface, psi, size);
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if (psi == NULL)
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return AVIERR_BADPARAM;
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if (size < 0)
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return AVIERR_BADSIZE;
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/* Need codec to correct some values in structure */
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if (This->has == NULL) {
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HRESULT hr = AVIFILE_OpenCompressor(This);
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if (FAILED(hr))
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return hr;
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}
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memcpy(psi, &This->sInfo, min(size, (LONG)sizeof(This->sInfo)));
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if (size < (LONG)sizeof(This->sInfo))
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return AVIERR_BUFFERTOOSMALL;
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return AVIERR_OK;
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}
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static LONG WINAPI ACMStream_fnFindSample(IAVIStream *iface, LONG pos,
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LONG flags)
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{
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IAVIStreamImpl *This = (IAVIStreamImpl *)iface;
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TRACE("(%p,%d,0x%08X)\n",iface,pos,flags);
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if (flags & FIND_FROM_START) {
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pos = This->sInfo.dwStart;
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flags &= ~(FIND_FROM_START|FIND_PREV);
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flags |= FIND_NEXT;
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}
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/* convert pos from our 'space' to This->pStream's one */
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CONVERT_THIS_to_STREAM(&pos);
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/* ask stream */
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pos = IAVIStream_FindSample(This->pStream, pos, flags);
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if (pos != -1) {
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/* convert pos back to our 'space' if it's no size or physical pos */
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if ((flags & FIND_RET) == 0)
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CONVERT_STREAM_to_THIS(&pos);
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}
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return pos;
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}
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static HRESULT WINAPI ACMStream_fnReadFormat(IAVIStream *iface, LONG pos,
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LPVOID format, LONG *formatsize)
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{
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IAVIStreamImpl *This = (IAVIStreamImpl *)iface;
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TRACE("(%p,%d,%p,%p)\n", iface, pos, format, formatsize);
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if (formatsize == NULL)
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return AVIERR_BADPARAM;
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if (This->has == NULL) {
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HRESULT hr = AVIFILE_OpenCompressor(This);
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if (FAILED(hr))
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return hr;
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}
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/* only interested in needed buffersize? */
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if (format == NULL || *formatsize <= 0) {
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*formatsize = This->cbOutFormat;
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return AVIERR_OK;
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}
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/* copy initial format (only as much as will fit) */
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memcpy(format, This->lpOutFormat, min(*formatsize, This->cbOutFormat));
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if (*formatsize < This->cbOutFormat) {
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*formatsize = This->cbOutFormat;
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return AVIERR_BUFFERTOOSMALL;
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}
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*formatsize = This->cbOutFormat;
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return AVIERR_OK;
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}
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static HRESULT WINAPI ACMStream_fnSetFormat(IAVIStream *iface, LONG pos,
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LPVOID format, LONG formatsize)
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{
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IAVIStreamImpl *This = (IAVIStreamImpl *)iface;
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HRESULT hr;
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TRACE("(%p,%d,%p,%d)\n", iface, pos, format, formatsize);
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/* check parameters */
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if (format == NULL || formatsize <= 0)
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return AVIERR_BADPARAM;
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/* Input format already known?
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* Changing is unsupported, but be quiet if it's the same */
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if (This->lpInFormat != NULL) {
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if (This->cbInFormat != formatsize ||
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memcmp(format, This->lpInFormat, formatsize) != 0)
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return AVIERR_UNSUPPORTED;
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return AVIERR_OK;
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}
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/* Does the nested stream support writing? */
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if ((This->sInfo.dwCaps & AVIFILECAPS_CANWRITE) == 0)
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return AVIERR_READONLY;
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This->lpInFormat = HeapAlloc(GetProcessHeap(), 0, formatsize);
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if (This->lpInFormat == NULL)
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return AVIERR_MEMORY;
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This->cbInFormat = formatsize;
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memcpy(This->lpInFormat, format, formatsize);
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/* initialize formats and get compressor */
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hr = AVIFILE_OpenCompressor(This);
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if (FAILED(hr))
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return hr;
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CONVERT_THIS_to_STREAM(&pos);
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/* tell the nested stream the new format */
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return IAVIStream_SetFormat(This->pStream, pos, This->lpOutFormat,
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This->cbOutFormat);
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}
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static HRESULT WINAPI ACMStream_fnRead(IAVIStream *iface, LONG start,
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LONG samples, LPVOID buffer,
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LONG buffersize, LPLONG bytesread,
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LPLONG samplesread)
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{
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IAVIStreamImpl *This = (IAVIStreamImpl *)iface;
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HRESULT hr;
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DWORD size;
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TRACE("(%p,%d,%d,%p,%d,%p,%p)\n", iface, start, samples, buffer,
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buffersize, bytesread, samplesread);
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/* clear return parameters if given */
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if (bytesread != NULL)
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*bytesread = 0;
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if (samplesread != NULL)
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*samplesread = 0;
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/* Do we have our compressor? */
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if (This->has == NULL) {
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hr = AVIFILE_OpenCompressor(This);
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if (FAILED(hr))
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return hr;
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}
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/* only need to pass through? */
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if (This->cbInFormat == This->cbOutFormat &&
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memcmp(This->lpInFormat, This->lpOutFormat, This->cbInFormat) == 0) {
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return IAVIStream_Read(This->pStream, start, samples, buffer, buffersize,
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bytesread, samplesread);
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}
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/* read as much as fit? */
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if (samples == -1)
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samples = buffersize / This->lpOutFormat->nBlockAlign;
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/* limit to buffersize */
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if (samples * This->lpOutFormat->nBlockAlign > buffersize)
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samples = buffersize / This->lpOutFormat->nBlockAlign;
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/* only return needed size? */
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if (buffer == NULL || buffersize <= 0 || samples == 0) {
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if (bytesread == NULL && samplesread == NULL)
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return AVIERR_BADPARAM;
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if (bytesread != NULL)
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*bytesread = samples * This->lpOutFormat->nBlockAlign;
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if (samplesread != NULL)
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*samplesread = samples;
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return AVIERR_OK;
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}
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/* map our positions to pStream positions */
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CONVERT_THIS_to_STREAM(&start);
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/* our needed internal buffersize */
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size = samples * This->lpInFormat->nBlockAlign;
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/* Need to free destination buffer used for writing? */
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if (This->acmStreamHdr.pbDst != NULL) {
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HeapFree(GetProcessHeap(), 0, This->acmStreamHdr.pbDst);
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This->acmStreamHdr.pbDst = NULL;
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This->acmStreamHdr.dwDstUser = 0;
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}
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/* need bigger source buffer? */
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if (This->acmStreamHdr.pbSrc == NULL ||
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This->acmStreamHdr.dwSrcUser < size) {
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if (This->acmStreamHdr.pbSrc == NULL)
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This->acmStreamHdr.pbSrc = HeapAlloc(GetProcessHeap(), 0, size);
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else
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This->acmStreamHdr.pbSrc = HeapReAlloc(GetProcessHeap(), 0, This->acmStreamHdr.pbSrc, size);
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if (This->acmStreamHdr.pbSrc == NULL)
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return AVIERR_MEMORY;
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This->acmStreamHdr.dwSrcUser = size;
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}
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This->acmStreamHdr.cbStruct = sizeof(This->acmStreamHdr);
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This->acmStreamHdr.cbSrcLengthUsed = 0;
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This->acmStreamHdr.cbDstLengthUsed = 0;
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This->acmStreamHdr.cbSrcLength = size;
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/* read source data */
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hr = IAVIStream_Read(This->pStream, start, -1, This->acmStreamHdr.pbSrc,
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This->acmStreamHdr.cbSrcLength,
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(LONG *)&This->acmStreamHdr.cbSrcLength, NULL);
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if (FAILED(hr) || This->acmStreamHdr.cbSrcLength == 0)
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return hr;
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/* need to prepare stream? */
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This->acmStreamHdr.pbDst = buffer;
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This->acmStreamHdr.cbDstLength = buffersize;
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if ((This->acmStreamHdr.fdwStatus & ACMSTREAMHEADER_STATUSF_PREPARED) == 0) {
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|
if (acmStreamPrepareHeader(This->has, &This->acmStreamHdr, 0) != S_OK) {
|
|
This->acmStreamHdr.pbDst = NULL;
|
|
This->acmStreamHdr.cbDstLength = 0;
|
|
return AVIERR_COMPRESSOR;
|
|
}
|
|
}
|
|
|
|
/* now do the conversion */
|
|
/* FIXME: use ACM_CONVERTF_* flags */
|
|
if (acmStreamConvert(This->has, &This->acmStreamHdr, 0) != S_OK)
|
|
hr = AVIERR_COMPRESSOR;
|
|
|
|
This->acmStreamHdr.pbDst = NULL;
|
|
This->acmStreamHdr.cbDstLength = 0;
|
|
|
|
/* fill out return parameters if given */
|
|
if (bytesread != NULL)
|
|
*bytesread = This->acmStreamHdr.cbDstLengthUsed;
|
|
if (samplesread != NULL)
|
|
*samplesread =
|
|
This->acmStreamHdr.cbDstLengthUsed / This->lpOutFormat->nBlockAlign;
|
|
|
|
return hr;
|
|
}
|
|
|
|
static HRESULT WINAPI ACMStream_fnWrite(IAVIStream *iface, LONG start,
|
|
LONG samples, LPVOID buffer,
|
|
LONG buffersize, DWORD flags,
|
|
LPLONG sampwritten,
|
|
LPLONG byteswritten)
|
|
{
|
|
IAVIStreamImpl *This = (IAVIStreamImpl *)iface;
|
|
|
|
HRESULT hr;
|
|
ULONG size;
|
|
|
|
TRACE("(%p,%d,%d,%p,%d,0x%08X,%p,%p)\n", iface, start, samples,
|
|
buffer, buffersize, flags, sampwritten, byteswritten);
|
|
|
|
/* clear return parameters if given */
|
|
if (sampwritten != NULL)
|
|
*sampwritten = 0;
|
|
if (byteswritten != NULL)
|
|
*byteswritten = 0;
|
|
|
|
/* check parameters */
|
|
if (buffer == NULL && (buffersize > 0 || samples > 0))
|
|
return AVIERR_BADPARAM;
|
|
|
|
/* Have we write capability? */
|
|
if ((This->sInfo.dwCaps & AVIFILECAPS_CANWRITE) == 0)
|
|
return AVIERR_READONLY;
|
|
|
|
/* also need a compressor */
|
|
if (This->has == NULL)
|
|
return AVIERR_NOCOMPRESSOR;
|
|
|
|
/* map our sizes to pStream sizes */
|
|
size = buffersize;
|
|
CONVERT_THIS_to_STREAM(&size);
|
|
CONVERT_THIS_to_STREAM(&start);
|
|
|
|
/* no bytes to write? -- short circuit */
|
|
if (size == 0) {
|
|
return IAVIStream_Write(This->pStream, -1, samples, buffer, size,
|
|
flags, sampwritten, byteswritten);
|
|
}
|
|
|
|
/* Need to free source buffer used for reading? */
|
|
if (This->acmStreamHdr.pbSrc != NULL) {
|
|
HeapFree(GetProcessHeap(), 0, This->acmStreamHdr.pbSrc);
|
|
This->acmStreamHdr.pbSrc = NULL;
|
|
This->acmStreamHdr.dwSrcUser = 0;
|
|
}
|
|
|
|
/* Need bigger destination buffer? */
|
|
if (This->acmStreamHdr.pbDst == NULL ||
|
|
This->acmStreamHdr.dwDstUser < size) {
|
|
if (This->acmStreamHdr.pbDst == NULL)
|
|
This->acmStreamHdr.pbDst = HeapAlloc(GetProcessHeap(), 0, size);
|
|
else
|
|
This->acmStreamHdr.pbDst = HeapReAlloc(GetProcessHeap(), 0, This->acmStreamHdr.pbDst, size);
|
|
if (This->acmStreamHdr.pbDst == NULL)
|
|
return AVIERR_MEMORY;
|
|
This->acmStreamHdr.dwDstUser = size;
|
|
}
|
|
This->acmStreamHdr.cbStruct = sizeof(This->acmStreamHdr);
|
|
This->acmStreamHdr.cbSrcLengthUsed = 0;
|
|
This->acmStreamHdr.cbDstLengthUsed = 0;
|
|
This->acmStreamHdr.cbDstLength = This->acmStreamHdr.dwDstUser;
|
|
|
|
/* need to prepare stream? */
|
|
This->acmStreamHdr.pbSrc = buffer;
|
|
This->acmStreamHdr.cbSrcLength = buffersize;
|
|
if ((This->acmStreamHdr.fdwStatus & ACMSTREAMHEADER_STATUSF_PREPARED) == 0) {
|
|
if (acmStreamPrepareHeader(This->has, &This->acmStreamHdr, 0) != S_OK) {
|
|
This->acmStreamHdr.pbSrc = NULL;
|
|
This->acmStreamHdr.cbSrcLength = 0;
|
|
return AVIERR_COMPRESSOR;
|
|
}
|
|
}
|
|
|
|
/* now do the conversion */
|
|
/* FIXME: use ACM_CONVERTF_* flags */
|
|
if (acmStreamConvert(This->has, &This->acmStreamHdr, 0) != S_OK)
|
|
hr = AVIERR_COMPRESSOR;
|
|
else
|
|
hr = AVIERR_OK;
|
|
|
|
This->acmStreamHdr.pbSrc = NULL;
|
|
This->acmStreamHdr.cbSrcLength = 0;
|
|
|
|
if (FAILED(hr))
|
|
return hr;
|
|
|
|
return IAVIStream_Write(This->pStream,-1,This->acmStreamHdr.cbDstLengthUsed /
|
|
This->lpOutFormat->nBlockAlign,This->acmStreamHdr.pbDst,
|
|
This->acmStreamHdr.cbDstLengthUsed,flags,sampwritten,
|
|
byteswritten);
|
|
}
|
|
|
|
static HRESULT WINAPI ACMStream_fnDelete(IAVIStream *iface, LONG start,
|
|
LONG samples)
|
|
{
|
|
IAVIStreamImpl *This = (IAVIStreamImpl *)iface;
|
|
|
|
TRACE("(%p,%d,%d)\n", iface, start, samples);
|
|
|
|
/* check parameters */
|
|
if (start < 0 || samples < 0)
|
|
return AVIERR_BADPARAM;
|
|
|
|
/* Delete before start of stream? */
|
|
if ((DWORD)(start + samples) < This->sInfo.dwStart)
|
|
return AVIERR_OK;
|
|
|
|
/* Delete after end of stream? */
|
|
if ((DWORD)start > This->sInfo.dwLength)
|
|
return AVIERR_OK;
|
|
|
|
/* For the rest we need write capability */
|
|
if ((This->sInfo.dwCaps & AVIFILECAPS_CANWRITE) == 0)
|
|
return AVIERR_READONLY;
|
|
|
|
/* A compressor is also necessary */
|
|
if (This->has == NULL)
|
|
return AVIERR_NOCOMPRESSOR;
|
|
|
|
/* map our positions to pStream positions */
|
|
CONVERT_THIS_to_STREAM(&start);
|
|
CONVERT_THIS_to_STREAM(&samples);
|
|
|
|
return IAVIStream_Delete(This->pStream, start, samples);
|
|
}
|
|
|
|
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 ACMStream_fnWriteData(IAVIStream *iface, DWORD fcc,
|
|
LPVOID lp, LONG size)
|
|
{
|
|
IAVIStreamImpl *This = (IAVIStreamImpl *)iface;
|
|
|
|
TRACE("(%p,0x%08x,%p,%d)\n", iface, fcc, lp, size);
|
|
|
|
assert(This->pStream != NULL);
|
|
|
|
return IAVIStream_WriteData(This->pStream, fcc, lp, size);
|
|
}
|
|
|
|
static HRESULT WINAPI ACMStream_fnSetInfo(IAVIStream *iface,
|
|
LPAVISTREAMINFOW info, LONG infolen)
|
|
{
|
|
FIXME("(%p,%p,%d): stub\n", iface, info, infolen);
|
|
|
|
return E_FAIL;
|
|
}
|
|
|
|
/***********************************************************************/
|
|
|
|
static HRESULT AVIFILE_OpenCompressor(IAVIStreamImpl *This)
|
|
{
|
|
HRESULT hr;
|
|
|
|
/* pre-conditions */
|
|
assert(This != NULL);
|
|
assert(This->pStream != NULL);
|
|
|
|
if (This->has != NULL)
|
|
return AVIERR_OK;
|
|
|
|
if (This->lpInFormat == NULL) {
|
|
/* decode or encode the data from pStream */
|
|
hr = AVIStreamFormatSize(This->pStream, This->sInfo.dwStart, &This->cbInFormat);
|
|
if (FAILED(hr))
|
|
return hr;
|
|
This->lpInFormat = HeapAlloc(GetProcessHeap(), 0, This->cbInFormat);
|
|
if (This->lpInFormat == NULL)
|
|
return AVIERR_MEMORY;
|
|
|
|
hr = IAVIStream_ReadFormat(This->pStream, This->sInfo.dwStart,
|
|
This->lpInFormat, &This->cbInFormat);
|
|
if (FAILED(hr))
|
|
return hr;
|
|
|
|
if (This->lpOutFormat == NULL) {
|
|
/* we must decode to default format */
|
|
This->cbOutFormat = sizeof(PCMWAVEFORMAT);
|
|
This->lpOutFormat = HeapAlloc(GetProcessHeap(), 0, This->cbOutFormat);
|
|
if (This->lpOutFormat == NULL)
|
|
return AVIERR_MEMORY;
|
|
|
|
This->lpOutFormat->wFormatTag = WAVE_FORMAT_PCM;
|
|
if (acmFormatSuggest(NULL, This->lpInFormat, This->lpOutFormat,
|
|
This->cbOutFormat, ACM_FORMATSUGGESTF_WFORMATTAG) != S_OK)
|
|
return AVIERR_NOCOMPRESSOR;
|
|
}
|
|
} else if (This->lpOutFormat == NULL)
|
|
return AVIERR_ERROR; /* To what should I encode? */
|
|
|
|
if (acmStreamOpen(&This->has, NULL, This->lpInFormat, This->lpOutFormat,
|
|
NULL, 0, 0, ACM_STREAMOPENF_NONREALTIME) != S_OK)
|
|
return AVIERR_NOCOMPRESSOR;
|
|
|
|
/* update AVISTREAMINFO structure */
|
|
This->sInfo.dwSampleSize = This->lpOutFormat->nBlockAlign;
|
|
This->sInfo.dwScale = This->lpOutFormat->nBlockAlign;
|
|
This->sInfo.dwRate = This->lpOutFormat->nAvgBytesPerSec;
|
|
This->sInfo.dwQuality = (DWORD)ICQUALITY_DEFAULT;
|
|
SetRectEmpty(&This->sInfo.rcFrame);
|
|
|
|
/* convert positions and sizes to output format */
|
|
CONVERT_STREAM_to_THIS(&This->sInfo.dwStart);
|
|
CONVERT_STREAM_to_THIS(&This->sInfo.dwLength);
|
|
CONVERT_STREAM_to_THIS(&This->sInfo.dwSuggestedBufferSize);
|
|
|
|
return AVIERR_OK;
|
|
}
|