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https://github.com/reactos/reactos.git
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1305 lines
37 KiB
C
1305 lines
37 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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#define COBJMACROS
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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 "winnls.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 "extrachunk.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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#define formtypeWAVE mmioFOURCC('W','A','V','E')
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#define ckidWAVEFORMAT mmioFOURCC('f','m','t',' ')
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#define ckidWAVEFACT mmioFOURCC('f','a','c','t')
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#define ckidWAVEDATA mmioFOURCC('d','a','t','a')
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/***********************************************************************/
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#define ENDIAN_SWAPWORD(x) ((((x) >> 8) & 0xFF) | (((x) & 0xFF) << 8))
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#define ENDIAN_SWAPDWORD(x) (ENDIAN_SWAPWORD((x >> 16) & 0xFFFF) | \
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ENDIAN_SWAPWORD(x & 0xFFFF) << 16)
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#ifdef WORDS_BIGENDIAN
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#define BE2H_WORD(x) (x)
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#define BE2H_DWORD(x) (x)
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#define LE2H_WORD(x) ENDIAN_SWAPWORD(x)
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#define LE2H_DWORD(x) ENDIAN_SWAPDWORD(x)
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#else
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#define BE2H_WORD(x) ENDIAN_SWAPWORD(x)
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#define BE2H_DWORD(x) ENDIAN_SWAPDWORD(x)
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#define LE2H_WORD(x) (x)
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#define LE2H_DWORD(x) (x)
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#endif
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typedef struct {
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FOURCC fccType;
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DWORD offset;
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DWORD size;
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INT encoding;
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DWORD sampleRate;
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DWORD channels;
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} SUNAUDIOHEADER;
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#define AU_ENCODING_ULAW_8 1
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#define AU_ENCODING_PCM_8 2
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#define AU_ENCODING_PCM_16 3
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#define AU_ENCODING_PCM_24 4
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#define AU_ENCODING_PCM_32 5
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#define AU_ENCODING_FLOAT 6
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#define AU_ENCODING_DOUBLE 7
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#define AU_ENCODING_ADPCM_G721_32 23
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#define AU_ENCODING_ADPCM_G722 24
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#define AU_ENCODING_ADPCM_G723_24 25
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#define AU_ENCODING_ADPCM_G723_5 26
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#define AU_ENCODING_ALAW_8 27
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/***********************************************************************/
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typedef struct _IAVIFileImpl {
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IUnknown IUnknown_inner;
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IAVIFile IAVIFile_iface;
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IPersistFile IPersistFile_iface;
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IAVIStream IAVIStream_iface;
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IUnknown *outer_unk;
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LONG ref;
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/* IAVIFile, IAVIStream stuff... */
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AVIFILEINFOW fInfo;
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AVISTREAMINFOW sInfo;
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LPWAVEFORMATEX lpFormat;
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LONG cbFormat;
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MMCKINFO ckData;
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EXTRACHUNKS extra;
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/* IPersistFile stuff ... */
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HMMIO hmmio;
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LPWSTR szFileName;
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UINT uMode;
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BOOL fDirty;
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} IAVIFileImpl;
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/***********************************************************************/
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static HRESULT AVIFILE_LoadFile(IAVIFileImpl *This);
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static HRESULT AVIFILE_LoadSunFile(IAVIFileImpl *This);
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static HRESULT AVIFILE_SaveFile(const IAVIFileImpl *This);
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static inline IAVIFileImpl *impl_from_IUnknown(IUnknown *iface)
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{
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return CONTAINING_RECORD(iface, IAVIFileImpl, IUnknown_inner);
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}
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static HRESULT WINAPI IUnknown_fnQueryInterface(IUnknown *iface, REFIID riid, void **ret_iface)
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{
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IAVIFileImpl *This = impl_from_IUnknown(iface);
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TRACE("(%p,%s,%p)\n", This, debugstr_guid(riid), ret_iface);
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if (IsEqualGUID(&IID_IUnknown, riid))
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*ret_iface = &This->IUnknown_inner;
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else if (IsEqualGUID(&IID_IAVIFile, riid))
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*ret_iface = &This->IAVIFile_iface;
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else if (IsEqualGUID(&IID_IAVIStream, riid))
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*ret_iface = &This->IAVIStream_iface;
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else if (IsEqualGUID(&IID_IPersistFile, riid))
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*ret_iface = &This->IPersistFile_iface;
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else {
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WARN("(%p)->(%s %p)\n", This, debugstr_guid(riid), ret_iface);
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*ret_iface = NULL;
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return E_NOINTERFACE;
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}
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/* Violation of the COM aggregation ref counting rule */
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IUnknown_AddRef(&This->IUnknown_inner);
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return S_OK;
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}
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static ULONG WINAPI IUnknown_fnAddRef(IUnknown *iface)
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{
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IAVIFileImpl *This = impl_from_IUnknown(iface);
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ULONG ref = InterlockedIncrement(&This->ref);
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TRACE("(%p) ref=%d\n", This, ref);
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return ref;
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}
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static ULONG WINAPI IUnknown_fnRelease(IUnknown *iface)
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{
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IAVIFileImpl *This = impl_from_IUnknown(iface);
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ULONG ref = InterlockedDecrement(&This->ref);
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TRACE("(%p) ref=%d\n", This, ref);
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if (!ref) {
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/* need to write headers to file */
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if (This->fDirty)
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AVIFILE_SaveFile(This);
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HeapFree(GetProcessHeap(), 0, This->lpFormat);
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This->lpFormat = NULL;
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This->cbFormat = 0;
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HeapFree(GetProcessHeap(), 0, This->extra.lp);
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This->extra.lp = NULL;
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This->extra.cb = 0;
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HeapFree(GetProcessHeap(), 0, This->szFileName);
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This->szFileName = NULL;
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if (This->hmmio) {
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mmioClose(This->hmmio, 0);
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This->hmmio = NULL;
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}
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HeapFree(GetProcessHeap(), 0, This);
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}
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return ref;
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}
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static const IUnknownVtbl unk_vtbl =
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{
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IUnknown_fnQueryInterface,
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IUnknown_fnAddRef,
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IUnknown_fnRelease
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};
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static inline IAVIFileImpl *impl_from_IAVIFile(IAVIFile *iface)
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{
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return CONTAINING_RECORD(iface, IAVIFileImpl, IAVIFile_iface);
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}
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static HRESULT WINAPI IAVIFile_fnQueryInterface(IAVIFile *iface, REFIID riid, void **ret_iface)
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{
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IAVIFileImpl *This = impl_from_IAVIFile(iface);
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return IUnknown_QueryInterface(This->outer_unk, riid, ret_iface);
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}
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static ULONG WINAPI IAVIFile_fnAddRef(IAVIFile *iface)
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{
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IAVIFileImpl *This = impl_from_IAVIFile(iface);
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return IUnknown_AddRef(This->outer_unk);
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}
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static ULONG WINAPI IAVIFile_fnRelease(IAVIFile *iface)
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{
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IAVIFileImpl *This = impl_from_IAVIFile(iface);
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return IUnknown_Release(This->outer_unk);
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}
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static HRESULT WINAPI IAVIFile_fnInfo(IAVIFile *iface, AVIFILEINFOW *afi, LONG size)
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{
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IAVIFileImpl *This = impl_from_IAVIFile(iface);
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TRACE("(%p,%p,%d)\n",iface,afi,size);
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if (afi == 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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/* update file info */
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This->fInfo.dwFlags = 0;
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This->fInfo.dwCaps = AVIFILECAPS_CANREAD|AVIFILECAPS_CANWRITE;
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if (This->lpFormat != NULL) {
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assert(This->sInfo.dwScale != 0);
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This->fInfo.dwStreams = 1;
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This->fInfo.dwScale = This->sInfo.dwScale;
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This->fInfo.dwRate = This->sInfo.dwRate;
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This->fInfo.dwLength = This->sInfo.dwLength;
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This->fInfo.dwSuggestedBufferSize = This->ckData.cksize;
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This->fInfo.dwMaxBytesPerSec =
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MulDiv(This->sInfo.dwSampleSize,This->sInfo.dwRate,This->sInfo.dwScale);
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}
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memcpy(afi, &This->fInfo, min((DWORD)size, sizeof(This->fInfo)));
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if ((DWORD)size < sizeof(This->fInfo))
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return AVIERR_BUFFERTOOSMALL;
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return AVIERR_OK;
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}
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static HRESULT WINAPI IAVIFile_fnGetStream(IAVIFile *iface, IAVIStream **avis, DWORD fccType,
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LONG lParam)
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{
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IAVIFileImpl *This = impl_from_IAVIFile(iface);
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TRACE("(%p,%p,0x%08X,%d)\n", iface, avis, fccType, lParam);
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/* check parameter */
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if (avis == NULL)
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return AVIERR_BADPARAM;
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*avis = NULL;
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/* Does our stream exists? */
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if (lParam != 0 || This->fInfo.dwStreams == 0)
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return AVIERR_NODATA;
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if (fccType != 0 && fccType != streamtypeAUDIO)
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return AVIERR_NODATA;
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*avis = &This->IAVIStream_iface;
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IAVIStream_AddRef(*avis);
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return AVIERR_OK;
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}
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static HRESULT WINAPI IAVIFile_fnCreateStream(IAVIFile *iface, IAVIStream **avis,
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AVISTREAMINFOW *asi)
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{
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IAVIFileImpl *This = impl_from_IAVIFile(iface);
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TRACE("(%p,%p,%p)\n", iface, avis, asi);
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/* check parameters */
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if (avis == NULL || asi == NULL)
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return AVIERR_BADPARAM;
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*avis = NULL;
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/* We only support one audio stream */
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if (This->fInfo.dwStreams != 0 || This->lpFormat != NULL)
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return AVIERR_UNSUPPORTED;
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if (asi->fccType != streamtypeAUDIO)
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return AVIERR_UNSUPPORTED;
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/* Does the user have write permission? */
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if ((This->uMode & MMIO_RWMODE) == 0)
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return AVIERR_READONLY;
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This->cbFormat = 0;
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This->lpFormat = NULL;
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memcpy(&This->sInfo, asi, sizeof(This->sInfo));
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/* make sure streaminfo if okay for us */
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This->sInfo.fccHandler = 0;
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This->sInfo.dwFlags = 0;
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This->sInfo.dwCaps = AVIFILECAPS_CANREAD|AVIFILECAPS_CANWRITE;
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This->sInfo.dwStart = 0;
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This->sInfo.dwInitialFrames = 0;
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This->sInfo.dwFormatChangeCount = 0;
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SetRectEmpty(&This->sInfo.rcFrame);
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This->fInfo.dwStreams = 1;
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This->fInfo.dwScale = This->sInfo.dwScale;
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This->fInfo.dwRate = This->sInfo.dwRate;
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This->fInfo.dwLength = This->sInfo.dwLength;
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This->ckData.dwDataOffset = 0;
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This->ckData.cksize = 0;
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*avis = &This->IAVIStream_iface;
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IAVIStream_AddRef(*avis);
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return AVIERR_OK;
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}
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static HRESULT WINAPI IAVIFile_fnWriteData(IAVIFile *iface, DWORD ckid, void *lpData, LONG size)
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{
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IAVIFileImpl *This = impl_from_IAVIFile(iface);
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TRACE("(%p,0x%08X,%p,%d)\n", iface, ckid, lpData, size);
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/* check parameters */
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if (lpData == 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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/* Do we have write permission? */
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if ((This->uMode & MMIO_RWMODE) == 0)
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return AVIERR_READONLY;
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This->fDirty = TRUE;
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return WriteExtraChunk(&This->extra, ckid, lpData, size);
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}
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static HRESULT WINAPI IAVIFile_fnReadData(IAVIFile *iface, DWORD ckid, void *lpData, LONG *size)
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{
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IAVIFileImpl *This = impl_from_IAVIFile(iface);
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TRACE("(%p,0x%08X,%p,%p)\n", iface, ckid, lpData, size);
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return ReadExtraChunk(&This->extra, ckid, lpData, size);
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}
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static HRESULT WINAPI IAVIFile_fnEndRecord(IAVIFile *iface)
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{
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TRACE("(%p)\n",iface);
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/* This is only needed for interleaved files.
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* We have only one stream, which can't be interleaved.
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*/
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return AVIERR_OK;
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}
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static HRESULT WINAPI IAVIFile_fnDeleteStream(IAVIFile *iface, DWORD fccType, LONG lParam)
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{
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IAVIFileImpl *This = impl_from_IAVIFile(iface);
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TRACE("(%p,0x%08X,%d)\n", iface, fccType, lParam);
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/* check parameter */
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if (lParam < 0)
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return AVIERR_BADPARAM;
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/* Do we have our audio stream? */
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if (lParam != 0 || This->fInfo.dwStreams == 0 ||
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(fccType != 0 && fccType != streamtypeAUDIO))
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return AVIERR_NODATA;
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/* Have user write permissions? */
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if ((This->uMode & MMIO_RWMODE) == 0)
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return AVIERR_READONLY;
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HeapFree(GetProcessHeap(), 0, This->lpFormat);
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This->lpFormat = NULL;
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This->cbFormat = 0;
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/* update infos */
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This->ckData.dwDataOffset = 0;
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This->ckData.cksize = 0;
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This->sInfo.dwScale = 0;
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This->sInfo.dwRate = 0;
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This->sInfo.dwLength = 0;
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This->sInfo.dwSuggestedBufferSize = 0;
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This->fInfo.dwStreams = 0;
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This->fInfo.dwEditCount++;
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This->fDirty = TRUE;
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return AVIERR_OK;
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}
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static const struct IAVIFileVtbl iwavft = {
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IAVIFile_fnQueryInterface,
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IAVIFile_fnAddRef,
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IAVIFile_fnRelease,
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IAVIFile_fnInfo,
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IAVIFile_fnGetStream,
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IAVIFile_fnCreateStream,
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IAVIFile_fnWriteData,
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IAVIFile_fnReadData,
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IAVIFile_fnEndRecord,
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IAVIFile_fnDeleteStream
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};
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/***********************************************************************/
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static inline IAVIFileImpl *impl_from_IPersistFile(IPersistFile *iface)
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{
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return CONTAINING_RECORD(iface, IAVIFileImpl, IPersistFile_iface);
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}
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static HRESULT WINAPI IPersistFile_fnQueryInterface(IPersistFile *iface, REFIID riid,
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void **ret_iface)
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{
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IAVIFileImpl *This = impl_from_IPersistFile(iface);
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return IUnknown_QueryInterface(This->outer_unk, riid, ret_iface);
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}
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static ULONG WINAPI IPersistFile_fnAddRef(IPersistFile *iface)
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{
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IAVIFileImpl *This = impl_from_IPersistFile(iface);
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return IUnknown_AddRef(This->outer_unk);
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}
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static ULONG WINAPI IPersistFile_fnRelease(IPersistFile *iface)
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{
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IAVIFileImpl *This = impl_from_IPersistFile(iface);
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return IUnknown_Release(This->outer_unk);
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}
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static HRESULT WINAPI IPersistFile_fnGetClassID(IPersistFile *iface,
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LPCLSID pClassID)
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{
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TRACE("(%p,%p)\n", iface, pClassID);
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if (pClassID == NULL)
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return AVIERR_BADPARAM;
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*pClassID = CLSID_WAVFile;
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return AVIERR_OK;
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}
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static HRESULT WINAPI IPersistFile_fnIsDirty(IPersistFile *iface)
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{
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IAVIFileImpl *This = impl_from_IPersistFile(iface);
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TRACE("(%p)\n", iface);
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return (This->fDirty ? S_OK : S_FALSE);
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}
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static HRESULT WINAPI IPersistFile_fnLoad(IPersistFile *iface, LPCOLESTR pszFileName, DWORD dwMode)
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{
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IAVIFileImpl *This = impl_from_IPersistFile(iface);
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WCHAR wszStreamFmt[50];
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INT len;
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TRACE("(%p,%s,0x%08X)\n", iface, debugstr_w(pszFileName), dwMode);
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/* check parameter */
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if (pszFileName == NULL)
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return AVIERR_BADPARAM;
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if (This->hmmio != NULL)
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return AVIERR_ERROR; /* No reuse of this object for another file! */
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/* remember mode and name */
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This->uMode = dwMode;
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len = lstrlenW(pszFileName) + 1;
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This->szFileName = HeapAlloc(GetProcessHeap(), 0, len * sizeof(WCHAR));
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if (This->szFileName == NULL)
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return AVIERR_MEMORY;
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lstrcpyW(This->szFileName, pszFileName);
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/* try to open the file */
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This->hmmio = mmioOpenW(This->szFileName, NULL, MMIO_ALLOCBUF | dwMode);
|
|
if (This->hmmio == NULL) {
|
|
/* mmioOpenW not in native DLLs of Win9x -- try mmioOpenA */
|
|
LPSTR szFileName;
|
|
len = WideCharToMultiByte(CP_ACP, 0, This->szFileName, -1,
|
|
NULL, 0, NULL, NULL);
|
|
szFileName = HeapAlloc(GetProcessHeap(), 0, len * sizeof(CHAR));
|
|
if (szFileName == NULL)
|
|
return AVIERR_MEMORY;
|
|
|
|
WideCharToMultiByte(CP_ACP, 0, This->szFileName, -1, szFileName,
|
|
len, NULL, NULL);
|
|
|
|
This->hmmio = mmioOpenA(szFileName, NULL, MMIO_ALLOCBUF | dwMode);
|
|
HeapFree(GetProcessHeap(), 0, szFileName);
|
|
if (This->hmmio == NULL)
|
|
return AVIERR_FILEOPEN;
|
|
}
|
|
|
|
memset(& This->fInfo, 0, sizeof(This->fInfo));
|
|
memset(& This->sInfo, 0, sizeof(This->sInfo));
|
|
|
|
LoadStringW(AVIFILE_hModule, IDS_WAVEFILETYPE, This->fInfo.szFileType,
|
|
ARRAY_SIZE(This->fInfo.szFileType));
|
|
if (LoadStringW(AVIFILE_hModule, IDS_WAVESTREAMFORMAT,
|
|
wszStreamFmt, ARRAY_SIZE(wszStreamFmt)) > 0) {
|
|
wsprintfW(This->sInfo.szName, wszStreamFmt,
|
|
AVIFILE_BasenameW(This->szFileName));
|
|
}
|
|
|
|
/* should we create a new file? */
|
|
if (dwMode & OF_CREATE) {
|
|
/* nothing more to do */
|
|
return AVIERR_OK;
|
|
} else
|
|
return AVIFILE_LoadFile(This);
|
|
}
|
|
|
|
static HRESULT WINAPI IPersistFile_fnSave(IPersistFile *iface,
|
|
LPCOLESTR pszFileName,BOOL fRemember)
|
|
{
|
|
TRACE("(%p,%s,%d)\n", iface, debugstr_w(pszFileName), fRemember);
|
|
|
|
/* We write directly to disk, so nothing to do. */
|
|
|
|
return AVIERR_OK;
|
|
}
|
|
|
|
static HRESULT WINAPI IPersistFile_fnSaveCompleted(IPersistFile *iface,
|
|
LPCOLESTR pszFileName)
|
|
{
|
|
TRACE("(%p,%s)\n", iface, debugstr_w(pszFileName));
|
|
|
|
/* We write directly to disk, so nothing to do. */
|
|
|
|
return AVIERR_OK;
|
|
}
|
|
|
|
static HRESULT WINAPI IPersistFile_fnGetCurFile(IPersistFile *iface, LPOLESTR *ppszFileName)
|
|
{
|
|
IAVIFileImpl *This = impl_from_IPersistFile(iface);
|
|
|
|
TRACE("(%p,%p)\n", iface, ppszFileName);
|
|
|
|
if (ppszFileName == NULL)
|
|
return AVIERR_BADPARAM;
|
|
|
|
*ppszFileName = NULL;
|
|
|
|
if (This->szFileName) {
|
|
int len = lstrlenW(This->szFileName) + 1;
|
|
|
|
*ppszFileName = CoTaskMemAlloc(len * sizeof(WCHAR));
|
|
if (*ppszFileName == NULL)
|
|
return AVIERR_MEMORY;
|
|
|
|
lstrcpyW(*ppszFileName, This->szFileName);
|
|
}
|
|
|
|
return AVIERR_OK;
|
|
}
|
|
|
|
static const struct IPersistFileVtbl iwavpft = {
|
|
IPersistFile_fnQueryInterface,
|
|
IPersistFile_fnAddRef,
|
|
IPersistFile_fnRelease,
|
|
IPersistFile_fnGetClassID,
|
|
IPersistFile_fnIsDirty,
|
|
IPersistFile_fnLoad,
|
|
IPersistFile_fnSave,
|
|
IPersistFile_fnSaveCompleted,
|
|
IPersistFile_fnGetCurFile
|
|
};
|
|
|
|
/***********************************************************************/
|
|
|
|
static inline IAVIFileImpl *impl_from_IAVIStream(IAVIStream *iface)
|
|
{
|
|
return CONTAINING_RECORD(iface, IAVIFileImpl, IAVIStream_iface);
|
|
}
|
|
|
|
static HRESULT WINAPI IAVIStream_fnQueryInterface(IAVIStream *iface, REFIID riid, void **ret_iface)
|
|
{
|
|
IAVIFileImpl *This = impl_from_IAVIStream(iface);
|
|
|
|
return IUnknown_QueryInterface(This->outer_unk, riid, ret_iface);
|
|
}
|
|
|
|
static ULONG WINAPI IAVIStream_fnAddRef(IAVIStream *iface)
|
|
{
|
|
IAVIFileImpl *This = impl_from_IAVIStream(iface);
|
|
|
|
return IUnknown_AddRef(This->outer_unk);
|
|
}
|
|
|
|
static ULONG WINAPI IAVIStream_fnRelease(IAVIStream* iface)
|
|
{
|
|
IAVIFileImpl *This = impl_from_IAVIStream(iface);
|
|
|
|
return IUnknown_Release(This->outer_unk);
|
|
}
|
|
|
|
static HRESULT WINAPI IAVIStream_fnCreate(IAVIStream *iface, LPARAM lParam1,
|
|
LPARAM lParam2)
|
|
{
|
|
TRACE("(%p,0x%08lX,0x%08lX)\n", iface, lParam1, lParam2);
|
|
|
|
/* This IAVIStream interface needs an WAVFile */
|
|
return AVIERR_UNSUPPORTED;
|
|
}
|
|
|
|
static HRESULT WINAPI IAVIStream_fnInfo(IAVIStream *iface, AVISTREAMINFOW *psi, LONG size)
|
|
{
|
|
IAVIFileImpl *This = impl_from_IAVIStream(iface);
|
|
|
|
TRACE("(%p,%p,%d)\n", iface, psi, size);
|
|
|
|
if (psi == NULL)
|
|
return AVIERR_BADPARAM;
|
|
if (size < 0)
|
|
return AVIERR_BADSIZE;
|
|
|
|
memcpy(psi, &This->sInfo, min((DWORD)size, sizeof(This->sInfo)));
|
|
|
|
if ((DWORD)size < sizeof(This->sInfo))
|
|
return AVIERR_BUFFERTOOSMALL;
|
|
return AVIERR_OK;
|
|
}
|
|
|
|
static LONG WINAPI IAVIStream_fnFindSample(IAVIStream *iface, LONG pos, LONG flags)
|
|
{
|
|
IAVIFileImpl *This = impl_from_IAVIStream(iface);
|
|
|
|
TRACE("(%p,%d,0x%08X)\n",iface,pos,flags);
|
|
|
|
/* Do we have data? */
|
|
if (This->lpFormat == NULL)
|
|
return -1;
|
|
|
|
/* We don't have an index */
|
|
if (flags & FIND_INDEX)
|
|
return -1;
|
|
|
|
if (flags & FIND_FROM_START) {
|
|
pos = This->sInfo.dwStart;
|
|
flags &= ~(FIND_FROM_START|FIND_PREV);
|
|
flags |= FIND_NEXT;
|
|
}
|
|
|
|
if (flags & FIND_FORMAT) {
|
|
if ((flags & FIND_NEXT) && pos > 0)
|
|
pos = -1;
|
|
else
|
|
pos = 0;
|
|
}
|
|
|
|
if ((flags & FIND_RET) == FIND_LENGTH ||
|
|
(flags & FIND_RET) == FIND_SIZE)
|
|
return This->sInfo.dwSampleSize;
|
|
if ((flags & FIND_RET) == FIND_OFFSET)
|
|
return This->ckData.dwDataOffset + pos * This->sInfo.dwSampleSize;
|
|
|
|
return pos;
|
|
}
|
|
|
|
static HRESULT WINAPI IAVIStream_fnReadFormat(IAVIStream *iface, LONG pos, void *format,
|
|
LONG *formatsize)
|
|
{
|
|
IAVIFileImpl *This = impl_from_IAVIStream(iface);
|
|
|
|
TRACE("(%p,%d,%p,%p)\n", iface, pos, format, formatsize);
|
|
|
|
if (formatsize == NULL)
|
|
return AVIERR_BADPARAM;
|
|
|
|
/* only interested in needed buffersize? */
|
|
if (format == NULL || *formatsize <= 0) {
|
|
*formatsize = This->cbFormat;
|
|
|
|
return AVIERR_OK;
|
|
}
|
|
|
|
/* copy initial format (only as much as will fit) */
|
|
memcpy(format, This->lpFormat, min(*formatsize, This->cbFormat));
|
|
if (*formatsize < This->cbFormat) {
|
|
*formatsize = This->cbFormat;
|
|
return AVIERR_BUFFERTOOSMALL;
|
|
}
|
|
|
|
*formatsize = This->cbFormat;
|
|
return AVIERR_OK;
|
|
}
|
|
|
|
static HRESULT WINAPI IAVIStream_fnSetFormat(IAVIStream *iface, LONG pos, void *format,
|
|
LONG formatsize)
|
|
{
|
|
IAVIFileImpl *This = impl_from_IAVIStream(iface);
|
|
|
|
TRACE("(%p,%d,%p,%d)\n", iface, pos, format, formatsize);
|
|
|
|
/* check parameters */
|
|
if (format == NULL || formatsize <= sizeof(PCMWAVEFORMAT))
|
|
return AVIERR_BADPARAM;
|
|
|
|
/* We can only do this to an empty wave file, but ignore call
|
|
* if still same format */
|
|
if (This->lpFormat != NULL) {
|
|
if (formatsize != This->cbFormat ||
|
|
memcmp(format, This->lpFormat, formatsize) != 0)
|
|
return AVIERR_UNSUPPORTED;
|
|
|
|
return AVIERR_OK;
|
|
}
|
|
|
|
/* only support start at position 0 */
|
|
if (pos != 0)
|
|
return AVIERR_UNSUPPORTED;
|
|
|
|
/* Do we have write permission? */
|
|
if ((This->uMode & MMIO_RWMODE) == 0)
|
|
return AVIERR_READONLY;
|
|
|
|
/* get memory for format and copy it */
|
|
This->lpFormat = HeapAlloc(GetProcessHeap(), 0, formatsize);
|
|
if (This->lpFormat == NULL)
|
|
return AVIERR_MEMORY;
|
|
|
|
This->cbFormat = formatsize;
|
|
memcpy(This->lpFormat, format, formatsize);
|
|
|
|
/* update info's about 'data' chunk */
|
|
This->ckData.dwDataOffset = formatsize + 7 * sizeof(DWORD);
|
|
This->ckData.cksize = 0;
|
|
|
|
/* for non-pcm format we need also a 'fact' chunk */
|
|
if (This->lpFormat->wFormatTag != WAVE_FORMAT_PCM)
|
|
This->ckData.dwDataOffset += 3 * sizeof(DWORD);
|
|
|
|
/* update stream and file info */
|
|
This->sInfo.dwSampleSize = This->lpFormat->nBlockAlign;
|
|
This->sInfo.dwScale = This->lpFormat->nBlockAlign;
|
|
This->sInfo.dwRate = This->lpFormat->nAvgBytesPerSec;
|
|
This->sInfo.dwLength = 0;
|
|
This->sInfo.dwSuggestedBufferSize = 0;
|
|
|
|
return AVIERR_OK;
|
|
}
|
|
|
|
static HRESULT WINAPI IAVIStream_fnRead(IAVIStream *iface, LONG start, LONG samples, void *buffer,
|
|
LONG buffersize, LONG *bytesread, LONG *samplesread)
|
|
{
|
|
IAVIFileImpl *This = impl_from_IAVIStream(iface);
|
|
|
|
TRACE("(%p,%d,%d,%p,%d,%p,%p)\n", iface, start, samples, buffer,
|
|
buffersize, bytesread, samplesread);
|
|
|
|
/* clear return parameters if given */
|
|
if (bytesread != NULL)
|
|
*bytesread = 0;
|
|
if (samplesread != NULL)
|
|
*samplesread = 0;
|
|
|
|
/* positions without data */
|
|
if (start < 0 || (DWORD)start > This->sInfo.dwLength)
|
|
return AVIERR_OK;
|
|
|
|
/* check samples */
|
|
if (samples < 0)
|
|
samples = 0;
|
|
if (buffersize > 0) {
|
|
if (samples > 0)
|
|
samples = min((DWORD)samples, buffersize / This->sInfo.dwSampleSize);
|
|
else
|
|
samples = buffersize / This->sInfo.dwSampleSize;
|
|
}
|
|
|
|
/* limit to end of stream */
|
|
if ((DWORD)(start + samples) > This->sInfo.dwLength)
|
|
samples = This->sInfo.dwLength - start;
|
|
|
|
/* request only the sizes? */
|
|
if (buffer == NULL || buffersize <= 0) {
|
|
/* then I need at least one parameter for it */
|
|
if (bytesread == NULL && samplesread == NULL)
|
|
return AVIERR_BADPARAM;
|
|
|
|
if (bytesread != NULL)
|
|
*bytesread = samples * This->sInfo.dwSampleSize;
|
|
if (samplesread != NULL)
|
|
*samplesread = samples;
|
|
|
|
return AVIERR_OK;
|
|
}
|
|
|
|
/* nothing to read? */
|
|
if (samples == 0)
|
|
return AVIERR_OK;
|
|
|
|
/* Can I read at least one sample? */
|
|
if ((DWORD)buffersize < This->sInfo.dwSampleSize)
|
|
return AVIERR_BUFFERTOOSMALL;
|
|
|
|
buffersize = samples * This->sInfo.dwSampleSize;
|
|
|
|
if (mmioSeek(This->hmmio, This->ckData.dwDataOffset
|
|
+ start * This->sInfo.dwSampleSize, SEEK_SET) == -1)
|
|
return AVIERR_FILEREAD;
|
|
if (mmioRead(This->hmmio, buffer, buffersize) != buffersize)
|
|
return AVIERR_FILEREAD;
|
|
|
|
/* fill out return parameters if given */
|
|
if (bytesread != NULL)
|
|
*bytesread = buffersize;
|
|
if (samplesread != NULL)
|
|
*samplesread = samples;
|
|
|
|
return AVIERR_OK;
|
|
}
|
|
|
|
static HRESULT WINAPI IAVIStream_fnWrite(IAVIStream *iface, LONG start, LONG samples, void *buffer,
|
|
LONG buffersize, DWORD flags, LONG *sampwritten, LONG *byteswritten)
|
|
{
|
|
IAVIFileImpl *This = impl_from_IAVIStream(iface);
|
|
|
|
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;
|
|
|
|
/* Do we have write permission? */
|
|
if ((This->uMode & MMIO_RWMODE) == 0)
|
|
return AVIERR_READONLY;
|
|
|
|
/* < 0 means "append" */
|
|
if (start < 0)
|
|
start = This->sInfo.dwStart + This->sInfo.dwLength;
|
|
|
|
/* check buffersize -- must multiple of samplesize */
|
|
if (buffersize & ~(This->sInfo.dwSampleSize - 1))
|
|
return AVIERR_BADSIZE;
|
|
|
|
/* do we have anything to write? */
|
|
if (buffer != NULL && buffersize > 0) {
|
|
This->fDirty = TRUE;
|
|
|
|
if (mmioSeek(This->hmmio, This->ckData.dwDataOffset +
|
|
start * This->sInfo.dwSampleSize, SEEK_SET) == -1)
|
|
return AVIERR_FILEWRITE;
|
|
if (mmioWrite(This->hmmio, buffer, buffersize) != buffersize)
|
|
return AVIERR_FILEWRITE;
|
|
|
|
This->sInfo.dwLength = max(This->sInfo.dwLength, (DWORD)start + samples);
|
|
This->ckData.cksize = max(This->ckData.cksize,
|
|
start * This->sInfo.dwSampleSize + buffersize);
|
|
|
|
/* fill out return parameters if given */
|
|
if (sampwritten != NULL)
|
|
*sampwritten = samples;
|
|
if (byteswritten != NULL)
|
|
*byteswritten = buffersize;
|
|
}
|
|
|
|
return AVIERR_OK;
|
|
}
|
|
|
|
static HRESULT WINAPI IAVIStream_fnDelete(IAVIStream *iface, LONG start, LONG samples)
|
|
{
|
|
IAVIFileImpl *This = impl_from_IAVIStream(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 permissions */
|
|
if ((This->uMode & MMIO_RWMODE) == 0)
|
|
return AVIERR_READONLY;
|
|
|
|
if ((DWORD)(start + samples) >= This->sInfo.dwLength) {
|
|
/* deletion at end */
|
|
samples = This->sInfo.dwLength - start;
|
|
This->sInfo.dwLength -= samples;
|
|
This->ckData.cksize -= samples * This->sInfo.dwSampleSize;
|
|
} else if ((DWORD)start <= This->sInfo.dwStart) {
|
|
/* deletion at start */
|
|
samples = This->sInfo.dwStart - start;
|
|
start = This->sInfo.dwStart;
|
|
This->ckData.dwDataOffset += samples * This->sInfo.dwSampleSize;
|
|
This->ckData.cksize -= samples * This->sInfo.dwSampleSize;
|
|
} else {
|
|
/* deletion inside stream -- needs playlist and cue's */
|
|
FIXME(": deletion inside of stream not supported!\n");
|
|
|
|
return AVIERR_UNSUPPORTED;
|
|
}
|
|
|
|
This->fDirty = TRUE;
|
|
|
|
return AVIERR_OK;
|
|
}
|
|
|
|
static HRESULT WINAPI IAVIStream_fnReadData(IAVIStream *iface, DWORD fcc, void *lp, LONG *lpread)
|
|
{
|
|
IAVIFileImpl *This = impl_from_IAVIStream(iface);
|
|
|
|
return IAVIFile_ReadData(&This->IAVIFile_iface, fcc, lp, lpread);
|
|
}
|
|
|
|
static HRESULT WINAPI IAVIStream_fnWriteData(IAVIStream *iface, DWORD fcc, void *lp, LONG size)
|
|
{
|
|
IAVIFileImpl *This = impl_from_IAVIStream(iface);
|
|
|
|
return IAVIFile_WriteData(&This->IAVIFile_iface, fcc, lp, size);
|
|
}
|
|
|
|
static HRESULT WINAPI IAVIStream_fnSetInfo(IAVIStream *iface,
|
|
LPAVISTREAMINFOW info, LONG infolen)
|
|
{
|
|
FIXME("(%p,%p,%d): stub\n", iface, info, infolen);
|
|
|
|
return E_FAIL;
|
|
}
|
|
|
|
static const struct IAVIStreamVtbl iwavst = {
|
|
IAVIStream_fnQueryInterface,
|
|
IAVIStream_fnAddRef,
|
|
IAVIStream_fnRelease,
|
|
IAVIStream_fnCreate,
|
|
IAVIStream_fnInfo,
|
|
IAVIStream_fnFindSample,
|
|
IAVIStream_fnReadFormat,
|
|
IAVIStream_fnSetFormat,
|
|
IAVIStream_fnRead,
|
|
IAVIStream_fnWrite,
|
|
IAVIStream_fnDelete,
|
|
IAVIStream_fnReadData,
|
|
IAVIStream_fnWriteData,
|
|
IAVIStream_fnSetInfo
|
|
};
|
|
|
|
HRESULT AVIFILE_CreateWAVFile(IUnknown *outer_unk, REFIID riid, void **ret_iface)
|
|
{
|
|
IAVIFileImpl *pfile;
|
|
HRESULT hr;
|
|
|
|
*ret_iface = NULL;
|
|
|
|
pfile = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(*pfile));
|
|
if (!pfile)
|
|
return AVIERR_MEMORY;
|
|
|
|
pfile->IUnknown_inner.lpVtbl = &unk_vtbl;
|
|
pfile->IAVIFile_iface.lpVtbl = &iwavft;
|
|
pfile->IPersistFile_iface.lpVtbl = &iwavpft;
|
|
pfile->IAVIStream_iface.lpVtbl = &iwavst;
|
|
pfile->ref = 1;
|
|
if (outer_unk)
|
|
pfile->outer_unk = outer_unk;
|
|
else
|
|
pfile->outer_unk = &pfile->IUnknown_inner;
|
|
|
|
hr = IUnknown_QueryInterface(&pfile->IUnknown_inner, riid, ret_iface);
|
|
IUnknown_Release(&pfile->IUnknown_inner);
|
|
|
|
return hr;
|
|
}
|
|
|
|
/***********************************************************************/
|
|
|
|
static HRESULT AVIFILE_LoadFile(IAVIFileImpl *This)
|
|
{
|
|
MMCKINFO ckRIFF;
|
|
MMCKINFO ck;
|
|
|
|
This->sInfo.dwLength = 0; /* just to be sure */
|
|
This->fDirty = FALSE;
|
|
|
|
/* search for RIFF chunk */
|
|
ckRIFF.fccType = 0; /* find any */
|
|
if (mmioDescend(This->hmmio, &ckRIFF, NULL, MMIO_FINDRIFF) != S_OK) {
|
|
return AVIFILE_LoadSunFile(This);
|
|
}
|
|
|
|
if (ckRIFF.fccType != formtypeWAVE)
|
|
return AVIERR_BADFORMAT;
|
|
|
|
/* search WAVE format chunk */
|
|
ck.ckid = ckidWAVEFORMAT;
|
|
if (FindChunkAndKeepExtras(&This->extra, This->hmmio, &ck,
|
|
&ckRIFF, MMIO_FINDCHUNK) != S_OK)
|
|
return AVIERR_FILEREAD;
|
|
|
|
/* get memory for format and read it */
|
|
This->lpFormat = HeapAlloc(GetProcessHeap(), 0, ck.cksize);
|
|
if (This->lpFormat == NULL)
|
|
return AVIERR_FILEREAD;
|
|
This->cbFormat = ck.cksize;
|
|
|
|
if (mmioRead(This->hmmio, (HPSTR)This->lpFormat, ck.cksize) != ck.cksize)
|
|
return AVIERR_FILEREAD;
|
|
if (mmioAscend(This->hmmio, &ck, 0) != S_OK)
|
|
return AVIERR_FILEREAD;
|
|
|
|
/* Non-pcm formats have a fact chunk.
|
|
* We don't need it, so simply add it to the extra chunks.
|
|
*/
|
|
|
|
/* find the big data chunk */
|
|
This->ckData.ckid = ckidWAVEDATA;
|
|
if (FindChunkAndKeepExtras(&This->extra, This->hmmio, &This->ckData,
|
|
&ckRIFF, MMIO_FINDCHUNK) != S_OK)
|
|
return AVIERR_FILEREAD;
|
|
|
|
memset(&This->sInfo, 0, sizeof(This->sInfo));
|
|
This->sInfo.fccType = streamtypeAUDIO;
|
|
This->sInfo.dwRate = This->lpFormat->nAvgBytesPerSec;
|
|
This->sInfo.dwSampleSize =
|
|
This->sInfo.dwScale = This->lpFormat->nBlockAlign;
|
|
This->sInfo.dwLength = This->ckData.cksize / This->lpFormat->nBlockAlign;
|
|
This->sInfo.dwSuggestedBufferSize = This->ckData.cksize;
|
|
|
|
This->fInfo.dwStreams = 1;
|
|
|
|
if (mmioAscend(This->hmmio, &This->ckData, 0) != S_OK) {
|
|
/* seems to be truncated */
|
|
WARN(": file seems to be truncated!\n");
|
|
This->ckData.cksize = mmioSeek(This->hmmio, 0, SEEK_END) -
|
|
This->ckData.dwDataOffset;
|
|
This->sInfo.dwLength = This->ckData.cksize / This->lpFormat->nBlockAlign;
|
|
This->sInfo.dwSuggestedBufferSize = This->ckData.cksize;
|
|
}
|
|
|
|
/* ignore errors */
|
|
FindChunkAndKeepExtras(&This->extra, This->hmmio, &ck, &ckRIFF, 0);
|
|
|
|
return AVIERR_OK;
|
|
}
|
|
|
|
static HRESULT AVIFILE_LoadSunFile(IAVIFileImpl *This)
|
|
{
|
|
SUNAUDIOHEADER auhdr;
|
|
|
|
mmioSeek(This->hmmio, 0, SEEK_SET);
|
|
if (mmioRead(This->hmmio, (HPSTR)&auhdr, sizeof(auhdr)) != sizeof(auhdr))
|
|
return AVIERR_FILEREAD;
|
|
|
|
if (auhdr.fccType == 0x0064732E) {
|
|
/* header in little endian */
|
|
This->ckData.dwDataOffset = LE2H_DWORD(auhdr.offset);
|
|
This->ckData.cksize = LE2H_DWORD(auhdr.size);
|
|
|
|
auhdr.encoding = LE2H_DWORD(auhdr.encoding);
|
|
auhdr.sampleRate = LE2H_DWORD(auhdr.sampleRate);
|
|
auhdr.channels = LE2H_DWORD(auhdr.channels);
|
|
} else if (auhdr.fccType == mmioFOURCC('.','s','n','d')) {
|
|
/* header in big endian */
|
|
This->ckData.dwDataOffset = BE2H_DWORD(auhdr.offset);
|
|
This->ckData.cksize = BE2H_DWORD(auhdr.size);
|
|
|
|
auhdr.encoding = BE2H_DWORD(auhdr.encoding);
|
|
auhdr.sampleRate = BE2H_DWORD(auhdr.sampleRate);
|
|
auhdr.channels = BE2H_DWORD(auhdr.channels);
|
|
} else
|
|
return AVIERR_FILEREAD;
|
|
|
|
if (auhdr.channels < 1)
|
|
return AVIERR_BADFORMAT;
|
|
|
|
/* get size of header */
|
|
switch(auhdr.encoding) {
|
|
case AU_ENCODING_ADPCM_G721_32:
|
|
This->cbFormat = sizeof(G721_ADPCMWAVEFORMAT); break;
|
|
case AU_ENCODING_ADPCM_G723_24:
|
|
This->cbFormat = sizeof(G723_ADPCMWAVEFORMAT); break;
|
|
case AU_ENCODING_ADPCM_G722:
|
|
case AU_ENCODING_ADPCM_G723_5:
|
|
WARN("unsupported Sun audio format %d\n", auhdr.encoding);
|
|
return AVIERR_UNSUPPORTED; /* FIXME */
|
|
default:
|
|
This->cbFormat = sizeof(WAVEFORMATEX); break;
|
|
};
|
|
|
|
This->lpFormat = HeapAlloc(GetProcessHeap(), 0, This->cbFormat);
|
|
if (This->lpFormat == NULL)
|
|
return AVIERR_MEMORY;
|
|
|
|
This->lpFormat->nChannels = auhdr.channels;
|
|
This->lpFormat->nSamplesPerSec = auhdr.sampleRate;
|
|
switch(auhdr.encoding) {
|
|
case AU_ENCODING_ULAW_8:
|
|
This->lpFormat->wFormatTag = WAVE_FORMAT_MULAW;
|
|
This->lpFormat->wBitsPerSample = 8;
|
|
break;
|
|
case AU_ENCODING_PCM_8:
|
|
This->lpFormat->wFormatTag = WAVE_FORMAT_PCM;
|
|
This->lpFormat->wBitsPerSample = 8;
|
|
break;
|
|
case AU_ENCODING_PCM_16:
|
|
This->lpFormat->wFormatTag = WAVE_FORMAT_PCM;
|
|
This->lpFormat->wBitsPerSample = 16;
|
|
break;
|
|
case AU_ENCODING_PCM_24:
|
|
This->lpFormat->wFormatTag = WAVE_FORMAT_PCM;
|
|
This->lpFormat->wBitsPerSample = 24;
|
|
break;
|
|
case AU_ENCODING_PCM_32:
|
|
This->lpFormat->wFormatTag = WAVE_FORMAT_PCM;
|
|
This->lpFormat->wBitsPerSample = 32;
|
|
break;
|
|
case AU_ENCODING_ALAW_8:
|
|
This->lpFormat->wFormatTag = WAVE_FORMAT_ALAW;
|
|
This->lpFormat->wBitsPerSample = 8;
|
|
break;
|
|
case AU_ENCODING_ADPCM_G721_32:
|
|
This->lpFormat->wFormatTag = WAVE_FORMAT_G721_ADPCM;
|
|
This->lpFormat->wBitsPerSample = (3*5*8);
|
|
This->lpFormat->nBlockAlign = 15*15*8;
|
|
This->lpFormat->cbSize = sizeof(WORD);
|
|
((LPG721_ADPCMWAVEFORMAT)This->lpFormat)->nAuxBlockSize = 0;
|
|
break;
|
|
case AU_ENCODING_ADPCM_G723_24:
|
|
This->lpFormat->wFormatTag = WAVE_FORMAT_G723_ADPCM;
|
|
This->lpFormat->wBitsPerSample = (3*5*8);
|
|
This->lpFormat->nBlockAlign = 15*15*8;
|
|
This->lpFormat->cbSize = 2*sizeof(WORD);
|
|
((LPG723_ADPCMWAVEFORMAT)This->lpFormat)->cbExtraSize = 0;
|
|
((LPG723_ADPCMWAVEFORMAT)This->lpFormat)->nAuxBlockSize = 0;
|
|
break;
|
|
default:
|
|
WARN("unsupported Sun audio format %d\n", auhdr.encoding);
|
|
return AVIERR_UNSUPPORTED;
|
|
};
|
|
|
|
This->lpFormat->nBlockAlign =
|
|
(This->lpFormat->nChannels * This->lpFormat->wBitsPerSample) / 8;
|
|
if (This->lpFormat->nBlockAlign == 0 && This->lpFormat->wBitsPerSample < 8)
|
|
This->lpFormat->nBlockAlign++;
|
|
This->lpFormat->nAvgBytesPerSec =
|
|
This->lpFormat->nBlockAlign * This->lpFormat->nSamplesPerSec;
|
|
|
|
This->fDirty = FALSE;
|
|
|
|
This->sInfo.fccType = streamtypeAUDIO;
|
|
This->sInfo.fccHandler = 0;
|
|
This->sInfo.dwFlags = 0;
|
|
This->sInfo.wPriority = 0;
|
|
This->sInfo.wLanguage = 0;
|
|
This->sInfo.dwInitialFrames = 0;
|
|
This->sInfo.dwScale = This->lpFormat->nBlockAlign;
|
|
This->sInfo.dwRate = This->lpFormat->nAvgBytesPerSec;
|
|
This->sInfo.dwStart = 0;
|
|
This->sInfo.dwLength =
|
|
This->ckData.cksize / This->lpFormat->nBlockAlign;
|
|
This->sInfo.dwSuggestedBufferSize = This->sInfo.dwLength;
|
|
This->sInfo.dwSampleSize = This->lpFormat->nBlockAlign;
|
|
|
|
This->fInfo.dwStreams = 1;
|
|
This->fInfo.dwScale = 1;
|
|
This->fInfo.dwRate = This->lpFormat->nSamplesPerSec;
|
|
This->fInfo.dwLength =
|
|
MulDiv(This->ckData.cksize, This->lpFormat->nSamplesPerSec,
|
|
This->lpFormat->nAvgBytesPerSec);
|
|
|
|
return AVIERR_OK;
|
|
}
|
|
|
|
static HRESULT AVIFILE_SaveFile(const IAVIFileImpl *This)
|
|
{
|
|
MMCKINFO ckRIFF;
|
|
MMCKINFO ck;
|
|
|
|
mmioSeek(This->hmmio, 0, SEEK_SET);
|
|
|
|
/* create the RIFF chunk with formtype WAVE */
|
|
ckRIFF.fccType = formtypeWAVE;
|
|
ckRIFF.cksize = 0;
|
|
if (mmioCreateChunk(This->hmmio, &ckRIFF, MMIO_CREATERIFF) != S_OK)
|
|
return AVIERR_FILEWRITE;
|
|
|
|
/* the next chunk is the format */
|
|
ck.ckid = ckidWAVEFORMAT;
|
|
ck.cksize = This->cbFormat;
|
|
if (mmioCreateChunk(This->hmmio, &ck, 0) != S_OK)
|
|
return AVIERR_FILEWRITE;
|
|
if (This->lpFormat != NULL && This->cbFormat > 0) {
|
|
if (mmioWrite(This->hmmio, (HPSTR)This->lpFormat, ck.cksize) != ck.cksize)
|
|
return AVIERR_FILEWRITE;
|
|
}
|
|
if (mmioAscend(This->hmmio, &ck, 0) != S_OK)
|
|
return AVIERR_FILEWRITE;
|
|
|
|
/* fact chunk is needed for non-pcm waveforms */
|
|
if (This->lpFormat != NULL && This->cbFormat > sizeof(PCMWAVEFORMAT) &&
|
|
This->lpFormat->wFormatTag != WAVE_FORMAT_PCM) {
|
|
WAVEFORMATEX wfx;
|
|
DWORD dwFactLength;
|
|
HACMSTREAM has;
|
|
|
|
/* try to open an appropriate audio codec to figure out
|
|
* data for fact-chunk */
|
|
wfx.wFormatTag = WAVE_FORMAT_PCM;
|
|
if (acmFormatSuggest(NULL, This->lpFormat, &wfx,
|
|
sizeof(wfx), ACM_FORMATSUGGESTF_WFORMATTAG)) {
|
|
acmStreamOpen(&has, NULL, This->lpFormat, &wfx, NULL,
|
|
0, 0, ACM_STREAMOPENF_NONREALTIME);
|
|
acmStreamSize(has, This->ckData.cksize, &dwFactLength,
|
|
ACM_STREAMSIZEF_SOURCE);
|
|
dwFactLength /= wfx.nBlockAlign;
|
|
acmStreamClose(has, 0);
|
|
|
|
/* create the fact chunk */
|
|
ck.ckid = ckidWAVEFACT;
|
|
ck.cksize = sizeof(dwFactLength);
|
|
|
|
/* test for enough space before data chunk */
|
|
if (mmioSeek(This->hmmio, 0, SEEK_CUR) > This->ckData.dwDataOffset
|
|
- ck.cksize - 4 * sizeof(DWORD))
|
|
return AVIERR_FILEWRITE;
|
|
if (mmioCreateChunk(This->hmmio, &ck, 0) != S_OK)
|
|
return AVIERR_FILEWRITE;
|
|
if (mmioWrite(This->hmmio, (HPSTR)&dwFactLength, ck.cksize) != ck.cksize)
|
|
return AVIERR_FILEWRITE;
|
|
if (mmioAscend(This->hmmio, &ck, 0) != S_OK)
|
|
return AVIERR_FILEWRITE;
|
|
} else
|
|
ERR(": fact chunk is needed for non-pcm files -- currently no codec found, so skipped!\n");
|
|
}
|
|
|
|
/* if there was extra stuff, we need to fill it with JUNK */
|
|
if (mmioSeek(This->hmmio, 0, SEEK_CUR) + 2 * sizeof(DWORD) < This->ckData.dwDataOffset) {
|
|
ck.ckid = ckidAVIPADDING;
|
|
ck.cksize = 0;
|
|
if (mmioCreateChunk(This->hmmio, &ck, 0) != S_OK)
|
|
return AVIERR_FILEWRITE;
|
|
|
|
if (mmioSeek(This->hmmio, This->ckData.dwDataOffset
|
|
- 2 * sizeof(DWORD), SEEK_SET) == -1)
|
|
return AVIERR_FILEWRITE;
|
|
if (mmioAscend(This->hmmio, &ck, 0) != S_OK)
|
|
return AVIERR_FILEWRITE;
|
|
}
|
|
|
|
/* create the data chunk */
|
|
ck.ckid = ckidWAVEDATA;
|
|
ck.cksize = This->ckData.cksize;
|
|
if (mmioCreateChunk(This->hmmio, &ck, 0) != S_OK)
|
|
return AVIERR_FILEWRITE;
|
|
if (mmioSeek(This->hmmio, This->ckData.cksize, SEEK_CUR) == -1)
|
|
return AVIERR_FILEWRITE;
|
|
if (mmioAscend(This->hmmio, &ck, 0) != S_OK)
|
|
return AVIERR_FILEWRITE;
|
|
|
|
/* some optional extra chunks? */
|
|
if (This->extra.lp != NULL && This->extra.cb > 0) {
|
|
/* chunk headers are already in structure */
|
|
if (mmioWrite(This->hmmio, This->extra.lp, This->extra.cb) != This->extra.cb)
|
|
return AVIERR_FILEWRITE;
|
|
}
|
|
|
|
/* close RIFF chunk */
|
|
if (mmioAscend(This->hmmio, &ckRIFF, 0) != S_OK)
|
|
return AVIERR_FILEWRITE;
|
|
if (mmioFlush(This->hmmio, 0) != S_OK)
|
|
return AVIERR_FILEWRITE;
|
|
|
|
return AVIERR_OK;
|
|
}
|