push ac694015ba9a1d7cf8fc6346c6e51d4c35a62962
[wine/hacks.git] / dlls / avifil32 / wavfile.c
blobfd6d9ecca48580f962343ec12e0046099409bc36
1 /*
2 * Copyright 2002 Michael Günnewig
4 * This library is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU Lesser General Public
6 * License as published by the Free Software Foundation; either
7 * version 2.1 of the License, or (at your option) any later version.
9 * This library is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 * Lesser General Public License for more details.
14 * You should have received a copy of the GNU Lesser General Public
15 * License along with this library; if not, write to the Free Software
16 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
19 #include <assert.h>
20 #include <stdarg.h>
22 #include "windef.h"
23 #include "winbase.h"
24 #include "wingdi.h"
25 #include "winuser.h"
26 #include "winnls.h"
27 #include "winerror.h"
28 #include "mmsystem.h"
29 #include "vfw.h"
30 #include "msacm.h"
32 #include "avifile_private.h"
33 #include "extrachunk.h"
35 #include "wine/unicode.h"
36 #include "wine/debug.h"
38 WINE_DEFAULT_DEBUG_CHANNEL(avifile);
40 /***********************************************************************/
42 #define formtypeWAVE mmioFOURCC('W','A','V','E')
43 #define ckidWAVEFORMAT mmioFOURCC('f','m','t',' ')
44 #define ckidWAVEFACT mmioFOURCC('f','a','c','t')
45 #define ckidWAVEDATA mmioFOURCC('d','a','t','a')
47 /***********************************************************************/
49 #define ENDIAN_SWAPWORD(x) ((((x) >> 8) & 0xFF) | (((x) & 0xFF) << 8))
50 #define ENDIAN_SWAPDWORD(x) (ENDIAN_SWAPWORD((x >> 16) & 0xFFFF) | \
51 ENDIAN_SWAPWORD(x & 0xFFFF) << 16)
53 #ifdef WORDS_BIGENDIAN
54 #define BE2H_WORD(x) (x)
55 #define BE2H_DWORD(x) (x)
56 #define LE2H_WORD(x) ENDIAN_SWAPWORD(x)
57 #define LE2H_DWORD(x) ENDIAN_SWAPDWORD(x)
58 #else
59 #define BE2H_WORD(x) ENDIAN_SWAPWORD(x)
60 #define BE2H_DWORD(x) ENDIAN_SWAPDWORD(x)
61 #define LE2H_WORD(x) (x)
62 #define LE2H_DWORD(x) (x)
63 #endif
65 typedef struct {
66 FOURCC fccType;
67 DWORD offset;
68 DWORD size;
69 INT encoding;
70 DWORD sampleRate;
71 DWORD channels;
72 } SUNAUDIOHEADER;
74 #define AU_ENCODING_ULAW_8 1
75 #define AU_ENCODING_PCM_8 2
76 #define AU_ENCODING_PCM_16 3
77 #define AU_ENCODING_PCM_24 4
78 #define AU_ENCODING_PCM_32 5
79 #define AU_ENCODING_FLOAT 6
80 #define AU_ENCODING_DOUBLE 7
81 #define AU_ENCODING_ADPCM_G721_32 23
82 #define AU_ENCODING_ADPCM_G722 24
83 #define AU_ENCODING_ADPCM_G723_24 25
84 #define AU_ENCODING_ADPCM_G723_5 26
85 #define AU_ENCODING_ALAW_8 27
87 /***********************************************************************/
89 static HRESULT WINAPI IAVIFile_fnQueryInterface(IAVIFile* iface,REFIID refiid,LPVOID *obj);
90 static ULONG WINAPI IAVIFile_fnAddRef(IAVIFile* iface);
91 static ULONG WINAPI IAVIFile_fnRelease(IAVIFile* iface);
92 static HRESULT WINAPI IAVIFile_fnInfo(IAVIFile*iface,AVIFILEINFOW*afi,LONG size);
93 static HRESULT WINAPI IAVIFile_fnGetStream(IAVIFile*iface,PAVISTREAM*avis,DWORD fccType,LONG lParam);
94 static HRESULT WINAPI IAVIFile_fnCreateStream(IAVIFile*iface,PAVISTREAM*avis,AVISTREAMINFOW*asi);
95 static HRESULT WINAPI IAVIFile_fnWriteData(IAVIFile*iface,DWORD ckid,LPVOID lpData,LONG size);
96 static HRESULT WINAPI IAVIFile_fnReadData(IAVIFile*iface,DWORD ckid,LPVOID lpData,LONG *size);
97 static HRESULT WINAPI IAVIFile_fnEndRecord(IAVIFile*iface);
98 static HRESULT WINAPI IAVIFile_fnDeleteStream(IAVIFile*iface,DWORD fccType,LONG lParam);
100 static const struct IAVIFileVtbl iwavft = {
101 IAVIFile_fnQueryInterface,
102 IAVIFile_fnAddRef,
103 IAVIFile_fnRelease,
104 IAVIFile_fnInfo,
105 IAVIFile_fnGetStream,
106 IAVIFile_fnCreateStream,
107 IAVIFile_fnWriteData,
108 IAVIFile_fnReadData,
109 IAVIFile_fnEndRecord,
110 IAVIFile_fnDeleteStream
113 static HRESULT WINAPI IPersistFile_fnQueryInterface(IPersistFile*iface,REFIID refiid,LPVOID*obj);
114 static ULONG WINAPI IPersistFile_fnAddRef(IPersistFile*iface);
115 static ULONG WINAPI IPersistFile_fnRelease(IPersistFile*iface);
116 static HRESULT WINAPI IPersistFile_fnGetClassID(IPersistFile*iface,CLSID*pClassID);
117 static HRESULT WINAPI IPersistFile_fnIsDirty(IPersistFile*iface);
118 static HRESULT WINAPI IPersistFile_fnLoad(IPersistFile*iface,LPCOLESTR pszFileName,DWORD dwMode);
119 static HRESULT WINAPI IPersistFile_fnSave(IPersistFile*iface,LPCOLESTR pszFileName,BOOL fRemember);
120 static HRESULT WINAPI IPersistFile_fnSaveCompleted(IPersistFile*iface,LPCOLESTR pszFileName);
121 static HRESULT WINAPI IPersistFile_fnGetCurFile(IPersistFile*iface,LPOLESTR*ppszFileName);
123 static const struct IPersistFileVtbl iwavpft = {
124 IPersistFile_fnQueryInterface,
125 IPersistFile_fnAddRef,
126 IPersistFile_fnRelease,
127 IPersistFile_fnGetClassID,
128 IPersistFile_fnIsDirty,
129 IPersistFile_fnLoad,
130 IPersistFile_fnSave,
131 IPersistFile_fnSaveCompleted,
132 IPersistFile_fnGetCurFile
135 static HRESULT WINAPI IAVIStream_fnQueryInterface(IAVIStream*iface,REFIID refiid,LPVOID *obj);
136 static ULONG WINAPI IAVIStream_fnAddRef(IAVIStream*iface);
137 static ULONG WINAPI IAVIStream_fnRelease(IAVIStream* iface);
138 static HRESULT WINAPI IAVIStream_fnCreate(IAVIStream*iface,LPARAM lParam1,LPARAM lParam2);
139 static HRESULT WINAPI IAVIStream_fnInfo(IAVIStream*iface,AVISTREAMINFOW *psi,LONG size);
140 static LONG WINAPI IAVIStream_fnFindSample(IAVIStream*iface,LONG pos,LONG flags);
141 static HRESULT WINAPI IAVIStream_fnReadFormat(IAVIStream*iface,LONG pos,LPVOID format,LONG *formatsize);
142 static HRESULT WINAPI IAVIStream_fnSetFormat(IAVIStream*iface,LONG pos,LPVOID format,LONG formatsize);
143 static HRESULT WINAPI IAVIStream_fnRead(IAVIStream*iface,LONG start,LONG samples,LPVOID buffer,LONG buffersize,LONG *bytesread,LONG *samplesread);
144 static HRESULT WINAPI IAVIStream_fnWrite(IAVIStream*iface,LONG start,LONG samples,LPVOID buffer,LONG buffersize,DWORD flags,LONG *sampwritten,LONG *byteswritten);
145 static HRESULT WINAPI IAVIStream_fnDelete(IAVIStream*iface,LONG start,LONG samples);
146 static HRESULT WINAPI IAVIStream_fnReadData(IAVIStream*iface,DWORD fcc,LPVOID lp,LONG *lpread);
147 static HRESULT WINAPI IAVIStream_fnWriteData(IAVIStream*iface,DWORD fcc,LPVOID lp,LONG size);
148 static HRESULT WINAPI IAVIStream_fnSetInfo(IAVIStream*iface,AVISTREAMINFOW*info,LONG infolen);
150 static const struct IAVIStreamVtbl iwavst = {
151 IAVIStream_fnQueryInterface,
152 IAVIStream_fnAddRef,
153 IAVIStream_fnRelease,
154 IAVIStream_fnCreate,
155 IAVIStream_fnInfo,
156 IAVIStream_fnFindSample,
157 IAVIStream_fnReadFormat,
158 IAVIStream_fnSetFormat,
159 IAVIStream_fnRead,
160 IAVIStream_fnWrite,
161 IAVIStream_fnDelete,
162 IAVIStream_fnReadData,
163 IAVIStream_fnWriteData,
164 IAVIStream_fnSetInfo
167 typedef struct _IAVIFileImpl IAVIFileImpl;
169 typedef struct _IPersistFileImpl {
170 /* IUnknown stuff */
171 const IPersistFileVtbl *lpVtbl;
173 /* IPersistFile stuff */
174 IAVIFileImpl *paf;
175 } IPersistFileImpl;
177 typedef struct _IAVIStreamImpl {
178 /* IUnknown stuff */
179 const IAVIStreamVtbl *lpVtbl;
181 /* IAVIStream stuff */
182 IAVIFileImpl *paf;
183 } IAVIStreamImpl;
185 struct _IAVIFileImpl {
186 /* IUnknown stuff */
187 const IAVIFileVtbl *lpVtbl;
188 LONG ref;
190 /* IAVIFile, IAVIStream stuff... */
191 IPersistFileImpl iPersistFile;
192 IAVIStreamImpl iAVIStream;
194 AVIFILEINFOW fInfo;
195 AVISTREAMINFOW sInfo;
197 LPWAVEFORMATEX lpFormat;
198 LONG cbFormat;
200 MMCKINFO ckData;
202 EXTRACHUNKS extra;
204 /* IPersistFile stuff ... */
205 HMMIO hmmio;
206 LPWSTR szFileName;
207 UINT uMode;
208 BOOL fDirty;
211 /***********************************************************************/
213 static HRESULT AVIFILE_LoadFile(IAVIFileImpl *This);
214 static HRESULT AVIFILE_LoadSunFile(IAVIFileImpl *This);
215 static HRESULT AVIFILE_SaveFile(const IAVIFileImpl *This);
217 HRESULT AVIFILE_CreateWAVFile(REFIID riid, LPVOID *ppv)
219 IAVIFileImpl *pfile;
220 HRESULT hr;
222 assert(riid != NULL && ppv != NULL);
224 *ppv = NULL;
226 pfile = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(IAVIFileImpl));
227 if (pfile == NULL)
228 return AVIERR_MEMORY;
230 pfile->lpVtbl = &iwavft;
231 pfile->iPersistFile.lpVtbl = &iwavpft;
232 pfile->iAVIStream.lpVtbl = &iwavst;
233 pfile->ref = 0;
234 pfile->iPersistFile.paf = pfile;
235 pfile->iAVIStream.paf = pfile;
237 hr = IAVIFile_QueryInterface((IAVIFile*)pfile, riid, ppv);
238 if (FAILED(hr))
239 HeapFree(GetProcessHeap(), 0, pfile);
241 return hr;
244 static HRESULT WINAPI IAVIFile_fnQueryInterface(IAVIFile *iface, REFIID refiid,
245 LPVOID *obj)
247 IAVIFileImpl *This = (IAVIFileImpl *)iface;
249 TRACE("(%p,%s,%p)\n", This, debugstr_guid(refiid), obj);
251 if (IsEqualGUID(&IID_IUnknown, refiid) ||
252 IsEqualGUID(&IID_IAVIFile, refiid)) {
253 *obj = iface;
254 IAVIFile_AddRef(iface);
255 return S_OK;
256 } else if (This->fInfo.dwStreams == 1 &&
257 IsEqualGUID(&IID_IAVIStream, refiid)) {
258 *obj = &This->iAVIStream;
259 IAVIFile_AddRef(iface);
260 return S_OK;
261 } else if (IsEqualGUID(&IID_IPersistFile, refiid)) {
262 *obj = &This->iPersistFile;
263 IAVIFile_AddRef(iface);
264 return S_OK;
267 return OLE_E_ENUM_NOMORE;
270 static ULONG WINAPI IAVIFile_fnAddRef(IAVIFile *iface)
272 IAVIFileImpl *This = (IAVIFileImpl *)iface;
274 TRACE("(%p)\n",iface);
276 return InterlockedIncrement(&This->ref);
279 static ULONG WINAPI IAVIFile_fnRelease(IAVIFile *iface)
281 IAVIFileImpl *This = (IAVIFileImpl *)iface;
282 ULONG ref = InterlockedDecrement(&This->ref);
284 TRACE("(%p)\n",iface);
286 if (!ref) {
287 if (This->fDirty) {
288 /* need to write headers to file */
289 AVIFILE_SaveFile(This);
292 if (This->lpFormat != NULL) {
293 HeapFree(GetProcessHeap(), 0, This->lpFormat);
294 This->lpFormat = NULL;
295 This->cbFormat = 0;
297 if (This->extra.lp != NULL) {
298 HeapFree(GetProcessHeap(), 0, This->extra.lp);
299 This->extra.lp = NULL;
300 This->extra.cb = 0;
302 HeapFree(GetProcessHeap(), 0, This->szFileName);
303 This->szFileName = NULL;
304 if (This->hmmio != NULL) {
305 mmioClose(This->hmmio, 0);
306 This->hmmio = NULL;
309 HeapFree(GetProcessHeap(), 0, This);
310 return 0;
312 return ref;
315 static HRESULT WINAPI IAVIFile_fnInfo(IAVIFile *iface, LPAVIFILEINFOW afi,
316 LONG size)
318 IAVIFileImpl *This = (IAVIFileImpl *)iface;
320 TRACE("(%p,%p,%d)\n",iface,afi,size);
322 if (afi == NULL)
323 return AVIERR_BADPARAM;
324 if (size < 0)
325 return AVIERR_BADSIZE;
327 /* update file info */
328 This->fInfo.dwFlags = 0;
329 This->fInfo.dwCaps = AVIFILECAPS_CANREAD|AVIFILECAPS_CANWRITE;
330 if (This->lpFormat != NULL) {
331 assert(This->sInfo.dwScale != 0);
333 This->fInfo.dwStreams = 1;
334 This->fInfo.dwScale = This->sInfo.dwScale;
335 This->fInfo.dwRate = This->sInfo.dwRate;
336 This->fInfo.dwLength = This->sInfo.dwLength;
337 This->fInfo.dwSuggestedBufferSize = This->ckData.cksize;
338 This->fInfo.dwMaxBytesPerSec =
339 MulDiv(This->sInfo.dwSampleSize,This->sInfo.dwRate,This->sInfo.dwScale);
342 memcpy(afi, &This->fInfo, min((DWORD)size, sizeof(This->fInfo)));
344 if ((DWORD)size < sizeof(This->fInfo))
345 return AVIERR_BUFFERTOOSMALL;
346 return AVIERR_OK;
349 static HRESULT WINAPI IAVIFile_fnGetStream(IAVIFile *iface, PAVISTREAM *avis,
350 DWORD fccType, LONG lParam)
352 IAVIFileImpl *This = (IAVIFileImpl *)iface;
354 TRACE("(%p,%p,0x%08X,%d)\n", iface, avis, fccType, lParam);
356 /* check parameter */
357 if (avis == NULL)
358 return AVIERR_BADPARAM;
360 *avis = NULL;
362 /* Does our stream exists? */
363 if (lParam != 0 || This->fInfo.dwStreams == 0)
364 return AVIERR_NODATA;
365 if (fccType != 0 && fccType != streamtypeAUDIO)
366 return AVIERR_NODATA;
368 *avis = (PAVISTREAM)&This->iAVIStream;
369 IAVIFile_AddRef(iface);
371 return AVIERR_OK;
374 static HRESULT WINAPI IAVIFile_fnCreateStream(IAVIFile *iface,PAVISTREAM *avis,
375 LPAVISTREAMINFOW asi)
377 IAVIFileImpl *This = (IAVIFileImpl *)iface;
379 TRACE("(%p,%p,%p)\n", iface, avis, asi);
381 /* check parameters */
382 if (avis == NULL || asi == NULL)
383 return AVIERR_BADPARAM;
385 *avis = NULL;
387 /* We only support one audio stream */
388 if (This->fInfo.dwStreams != 0 || This->lpFormat != NULL)
389 return AVIERR_UNSUPPORTED;
390 if (asi->fccType != streamtypeAUDIO)
391 return AVIERR_UNSUPPORTED;
393 /* Does the user have write permission? */
394 if ((This->uMode & MMIO_RWMODE) == 0)
395 return AVIERR_READONLY;
397 This->cbFormat = 0;
398 This->lpFormat = NULL;
400 memcpy(&This->sInfo, asi, sizeof(This->sInfo));
402 /* make sure streaminfo if okay for us */
403 This->sInfo.fccHandler = 0;
404 This->sInfo.dwFlags = 0;
405 This->sInfo.dwCaps = AVIFILECAPS_CANREAD|AVIFILECAPS_CANWRITE;
406 This->sInfo.dwStart = 0;
407 This->sInfo.dwInitialFrames = 0;
408 This->sInfo.dwFormatChangeCount = 0;
409 memset(&This->sInfo.rcFrame, 0, sizeof(This->sInfo.rcFrame));
411 This->fInfo.dwStreams = 1;
412 This->fInfo.dwScale = This->sInfo.dwScale;
413 This->fInfo.dwRate = This->sInfo.dwRate;
414 This->fInfo.dwLength = This->sInfo.dwLength;
416 This->ckData.dwDataOffset = 0;
417 This->ckData.cksize = 0;
419 *avis = (PAVISTREAM)&This->iAVIStream;
420 IAVIFile_AddRef(iface);
422 return AVIERR_OK;
425 static HRESULT WINAPI IAVIFile_fnWriteData(IAVIFile *iface, DWORD ckid,
426 LPVOID lpData, LONG size)
428 IAVIFileImpl *This = (IAVIFileImpl *)iface;
430 TRACE("(%p,0x%08X,%p,%d)\n", iface, ckid, lpData, size);
432 /* check parameters */
433 if (lpData == NULL)
434 return AVIERR_BADPARAM;
435 if (size < 0)
436 return AVIERR_BADSIZE;
438 /* Do we have write permission? */
439 if ((This->uMode & MMIO_RWMODE) == 0)
440 return AVIERR_READONLY;
442 This->fDirty = TRUE;
444 return WriteExtraChunk(&This->extra, ckid, lpData, size);
447 static HRESULT WINAPI IAVIFile_fnReadData(IAVIFile *iface, DWORD ckid,
448 LPVOID lpData, LONG *size)
450 IAVIFileImpl *This = (IAVIFileImpl *)iface;
452 TRACE("(%p,0x%08X,%p,%p)\n", iface, ckid, lpData, size);
454 return ReadExtraChunk(&This->extra, ckid, lpData, size);
457 static HRESULT WINAPI IAVIFile_fnEndRecord(IAVIFile *iface)
459 TRACE("(%p)\n",iface);
461 /* This is only needed for interleaved files.
462 * We have only one stream, which can't be interleaved.
464 return AVIERR_OK;
467 static HRESULT WINAPI IAVIFile_fnDeleteStream(IAVIFile *iface, DWORD fccType,
468 LONG lParam)
470 IAVIFileImpl *This = (IAVIFileImpl *)iface;
472 TRACE("(%p,0x%08X,%d)\n", iface, fccType, lParam);
474 /* check parameter */
475 if (lParam < 0)
476 return AVIERR_BADPARAM;
478 /* Do we have our audio stream? */
479 if (lParam != 0 || This->fInfo.dwStreams == 0 ||
480 (fccType != 0 && fccType != streamtypeAUDIO))
481 return AVIERR_NODATA;
483 /* Have user write permissions? */
484 if ((This->uMode & MMIO_RWMODE) == 0)
485 return AVIERR_READONLY;
487 HeapFree(GetProcessHeap(), 0, This->lpFormat);
488 This->lpFormat = NULL;
489 This->cbFormat = 0;
491 /* update infos */
492 This->ckData.dwDataOffset = 0;
493 This->ckData.cksize = 0;
495 This->sInfo.dwScale = 0;
496 This->sInfo.dwRate = 0;
497 This->sInfo.dwLength = 0;
498 This->sInfo.dwSuggestedBufferSize = 0;
500 This->fInfo.dwStreams = 0;
501 This->fInfo.dwEditCount++;
503 This->fDirty = TRUE;
505 return AVIERR_OK;
508 /***********************************************************************/
510 static HRESULT WINAPI IPersistFile_fnQueryInterface(IPersistFile *iface,
511 REFIID refiid, LPVOID *obj)
513 IPersistFileImpl *This = (IPersistFileImpl *)iface;
515 assert(This->paf != NULL);
517 return IAVIFile_QueryInterface((PAVIFILE)This->paf, refiid, obj);
520 static ULONG WINAPI IPersistFile_fnAddRef(IPersistFile *iface)
522 IPersistFileImpl *This = (IPersistFileImpl *)iface;
524 assert(This->paf != NULL);
526 return IAVIFile_AddRef((PAVIFILE)This->paf);
529 static ULONG WINAPI IPersistFile_fnRelease(IPersistFile *iface)
531 IPersistFileImpl *This = (IPersistFileImpl *)iface;
533 assert(This->paf != NULL);
535 return IAVIFile_Release((PAVIFILE)This->paf);
538 static HRESULT WINAPI IPersistFile_fnGetClassID(IPersistFile *iface,
539 LPCLSID pClassID)
541 TRACE("(%p,%p)\n", iface, pClassID);
543 if (pClassID == NULL)
544 return AVIERR_BADPARAM;
546 *pClassID = CLSID_WAVFile;
548 return AVIERR_OK;
551 static HRESULT WINAPI IPersistFile_fnIsDirty(IPersistFile *iface)
553 IPersistFileImpl *This = (IPersistFileImpl *)iface;
555 TRACE("(%p)\n", iface);
557 assert(This->paf != NULL);
559 return (This->paf->fDirty ? S_OK : S_FALSE);
562 static HRESULT WINAPI IPersistFile_fnLoad(IPersistFile *iface,
563 LPCOLESTR pszFileName, DWORD dwMode)
565 IAVIFileImpl *This = ((IPersistFileImpl*)iface)->paf;
567 WCHAR wszStreamFmt[50];
568 INT len;
570 TRACE("(%p,%s,0x%08X)\n", iface, debugstr_w(pszFileName), dwMode);
572 /* check parameter */
573 if (pszFileName == NULL)
574 return AVIERR_BADPARAM;
576 assert(This != NULL);
577 if (This->hmmio != NULL)
578 return AVIERR_ERROR; /* No reuse of this object for another file! */
580 /* remember mode and name */
581 This->uMode = dwMode;
583 len = lstrlenW(pszFileName) + 1;
584 This->szFileName = HeapAlloc(GetProcessHeap(), 0, len * sizeof(WCHAR));
585 if (This->szFileName == NULL)
586 return AVIERR_MEMORY;
587 lstrcpyW(This->szFileName, pszFileName);
589 /* try to open the file */
590 This->hmmio = mmioOpenW(This->szFileName, NULL, MMIO_ALLOCBUF | dwMode);
591 if (This->hmmio == NULL) {
592 /* mmioOpenW not in native DLLs of Win9x -- try mmioOpenA */
593 LPSTR szFileName;
594 len = WideCharToMultiByte(CP_ACP, 0, This->szFileName, -1,
595 NULL, 0, NULL, NULL);
596 szFileName = HeapAlloc(GetProcessHeap(), 0, len * sizeof(CHAR));
597 if (szFileName == NULL)
598 return AVIERR_MEMORY;
600 WideCharToMultiByte(CP_ACP, 0, This->szFileName, -1, szFileName,
601 len, NULL, NULL);
603 This->hmmio = mmioOpenA(szFileName, NULL, MMIO_ALLOCBUF | dwMode);
604 HeapFree(GetProcessHeap(), 0, szFileName);
605 if (This->hmmio == NULL)
606 return AVIERR_FILEOPEN;
609 memset(& This->fInfo, 0, sizeof(This->fInfo));
610 memset(& This->sInfo, 0, sizeof(This->sInfo));
612 LoadStringW(AVIFILE_hModule, IDS_WAVEFILETYPE, This->fInfo.szFileType,
613 sizeof(This->fInfo.szFileType)/sizeof(This->fInfo.szFileType[0]));
614 if (LoadStringW(AVIFILE_hModule, IDS_WAVESTREAMFORMAT,
615 wszStreamFmt, sizeof(wszStreamFmt)/sizeof(wszStreamFmt[0])) > 0) {
616 wsprintfW(This->sInfo.szName, wszStreamFmt,
617 AVIFILE_BasenameW(This->szFileName));
620 /* should we create a new file? */
621 if (dwMode & OF_CREATE) {
622 /* nothing more to do */
623 return AVIERR_OK;
624 } else
625 return AVIFILE_LoadFile(This);
628 static HRESULT WINAPI IPersistFile_fnSave(IPersistFile *iface,
629 LPCOLESTR pszFileName,BOOL fRemember)
631 TRACE("(%p,%s,%d)\n", iface, debugstr_w(pszFileName), fRemember);
633 /* We write directly to disk, so nothing to do. */
635 return AVIERR_OK;
638 static HRESULT WINAPI IPersistFile_fnSaveCompleted(IPersistFile *iface,
639 LPCOLESTR pszFileName)
641 TRACE("(%p,%s)\n", iface, debugstr_w(pszFileName));
643 /* We write directly to disk, so nothing to do. */
645 return AVIERR_OK;
648 static HRESULT WINAPI IPersistFile_fnGetCurFile(IPersistFile *iface,
649 LPOLESTR *ppszFileName)
651 IPersistFileImpl *This = (IPersistFileImpl *)iface;
653 TRACE("(%p,%p)\n", iface, ppszFileName);
655 if (ppszFileName == NULL)
656 return AVIERR_BADPARAM;
658 *ppszFileName = NULL;
660 assert(This->paf != NULL);
662 if (This->paf->szFileName != NULL) {
663 int len = lstrlenW(This->paf->szFileName) + 1;
665 *ppszFileName = CoTaskMemAlloc(len * sizeof(WCHAR));
666 if (*ppszFileName == NULL)
667 return AVIERR_MEMORY;
669 strcpyW(*ppszFileName, This->paf->szFileName);
672 return AVIERR_OK;
675 /***********************************************************************/
677 static HRESULT WINAPI IAVIStream_fnQueryInterface(IAVIStream *iface,
678 REFIID refiid, LPVOID *obj)
680 IAVIStreamImpl *This = (IAVIStreamImpl *)iface;
682 assert(This->paf != NULL);
684 return IAVIFile_QueryInterface((PAVIFILE)This->paf, refiid, obj);
687 static ULONG WINAPI IAVIStream_fnAddRef(IAVIStream *iface)
689 IAVIStreamImpl *This = (IAVIStreamImpl *)iface;
691 assert(This->paf != NULL);
693 return IAVIFile_AddRef((PAVIFILE)This->paf);
696 static ULONG WINAPI IAVIStream_fnRelease(IAVIStream* iface)
698 IAVIStreamImpl *This = (IAVIStreamImpl *)iface;
700 assert(This->paf != NULL);
702 return IAVIFile_Release((PAVIFILE)This->paf);
705 static HRESULT WINAPI IAVIStream_fnCreate(IAVIStream *iface, LPARAM lParam1,
706 LPARAM lParam2)
708 TRACE("(%p,0x%08lX,0x%08lX)\n", iface, lParam1, lParam2);
710 /* This IAVIStream interface needs an WAVFile */
711 return AVIERR_UNSUPPORTED;
714 static HRESULT WINAPI IAVIStream_fnInfo(IAVIStream *iface,LPAVISTREAMINFOW psi,
715 LONG size)
717 IAVIStreamImpl *This = (IAVIStreamImpl *)iface;
719 TRACE("(%p,%p,%d)\n", iface, psi, size);
721 if (psi == NULL)
722 return AVIERR_BADPARAM;
723 if (size < 0)
724 return AVIERR_BADSIZE;
726 memcpy(psi, &This->paf->sInfo, min((DWORD)size, sizeof(This->paf->sInfo)));
728 if ((DWORD)size < sizeof(This->paf->sInfo))
729 return AVIERR_BUFFERTOOSMALL;
730 return AVIERR_OK;
733 static LONG WINAPI IAVIStream_fnFindSample(IAVIStream *iface, LONG pos,
734 LONG flags)
736 IAVIFileImpl *This = ((IAVIStreamImpl*)iface)->paf;
738 TRACE("(%p,%d,0x%08X)\n",iface,pos,flags);
740 /* Do we have data? */
741 if (This->lpFormat == NULL)
742 return -1;
744 /* We don't have an index */
745 if (flags & FIND_INDEX)
746 return -1;
748 if (flags & FIND_FROM_START) {
749 pos = This->sInfo.dwStart;
750 flags &= ~(FIND_FROM_START|FIND_PREV);
751 flags |= FIND_NEXT;
754 if (flags & FIND_FORMAT) {
755 if ((flags & FIND_NEXT) && pos > 0)
756 pos = -1;
757 else
758 pos = 0;
761 if ((flags & FIND_RET) == FIND_LENGTH ||
762 (flags & FIND_RET) == FIND_SIZE)
763 return This->sInfo.dwSampleSize;
764 if ((flags & FIND_RET) == FIND_OFFSET)
765 return This->ckData.dwDataOffset + pos * This->sInfo.dwSampleSize;
767 return pos;
770 static HRESULT WINAPI IAVIStream_fnReadFormat(IAVIStream *iface, LONG pos,
771 LPVOID format, LONG *formatsize)
773 IAVIStreamImpl *This = (IAVIStreamImpl *)iface;
775 TRACE("(%p,%d,%p,%p)\n", iface, pos, format, formatsize);
777 if (formatsize == NULL)
778 return AVIERR_BADPARAM;
780 /* only interested in needed buffersize? */
781 if (format == NULL || *formatsize <= 0) {
782 *formatsize = This->paf->cbFormat;
784 return AVIERR_OK;
787 /* copy initial format (only as much as will fit) */
788 memcpy(format, This->paf->lpFormat, min(*formatsize, This->paf->cbFormat));
789 if (*formatsize < This->paf->cbFormat) {
790 *formatsize = This->paf->cbFormat;
791 return AVIERR_BUFFERTOOSMALL;
794 *formatsize = This->paf->cbFormat;
795 return AVIERR_OK;
798 static HRESULT WINAPI IAVIStream_fnSetFormat(IAVIStream *iface, LONG pos,
799 LPVOID format, LONG formatsize)
801 IAVIFileImpl *This = ((IAVIStreamImpl*)iface)->paf;
803 TRACE("(%p,%d,%p,%d)\n", iface, pos, format, formatsize);
805 /* check parameters */
806 if (format == NULL || formatsize <= sizeof(PCMWAVEFORMAT))
807 return AVIERR_BADPARAM;
809 /* We can only do this to an empty wave file, but ignore call
810 * if still same format */
811 if (This->lpFormat != NULL) {
812 if (formatsize != This->cbFormat ||
813 memcmp(format, This->lpFormat, formatsize) != 0)
814 return AVIERR_UNSUPPORTED;
816 return AVIERR_OK;
819 /* only support start at position 0 */
820 if (pos != 0)
821 return AVIERR_UNSUPPORTED;
823 /* Do we have write permission? */
824 if ((This->uMode & MMIO_RWMODE) == 0)
825 return AVIERR_READONLY;
827 /* get memory for format and copy it */
828 This->lpFormat = HeapAlloc(GetProcessHeap(), 0, formatsize);
829 if (This->lpFormat == NULL)
830 return AVIERR_MEMORY;
832 This->cbFormat = formatsize;
833 memcpy(This->lpFormat, format, formatsize);
835 /* update info's about 'data' chunk */
836 This->ckData.dwDataOffset = formatsize + 7 * sizeof(DWORD);
837 This->ckData.cksize = 0;
839 /* for non-pcm format we need also a 'fact' chunk */
840 if (This->lpFormat->wFormatTag != WAVE_FORMAT_PCM)
841 This->ckData.dwDataOffset += 3 * sizeof(DWORD);
843 /* update stream and file info */
844 This->sInfo.dwSampleSize = This->lpFormat->nBlockAlign;
845 This->sInfo.dwScale = This->lpFormat->nBlockAlign;
846 This->sInfo.dwRate = This->lpFormat->nAvgBytesPerSec;
847 This->sInfo.dwLength = 0;
848 This->sInfo.dwSuggestedBufferSize = 0;
850 return AVIERR_OK;
853 static HRESULT WINAPI IAVIStream_fnRead(IAVIStream *iface, LONG start,
854 LONG samples, LPVOID buffer,
855 LONG buffersize, LPLONG bytesread,
856 LPLONG samplesread)
858 IAVIFileImpl *This = ((IAVIStreamImpl*)iface)->paf;
860 TRACE("(%p,%d,%d,%p,%d,%p,%p)\n", iface, start, samples, buffer,
861 buffersize, bytesread, samplesread);
863 /* clear return parameters if given */
864 if (bytesread != NULL)
865 *bytesread = 0;
866 if (samplesread != NULL)
867 *samplesread = 0;
869 /* positions without data */
870 if (start < 0 || (DWORD)start > This->sInfo.dwLength)
871 return AVIERR_OK;
873 /* check samples */
874 if (samples < 0)
875 samples = 0;
876 if (buffersize > 0) {
877 if (samples > 0)
878 samples = min((DWORD)samples, buffersize / This->sInfo.dwSampleSize);
879 else
880 samples = buffersize / This->sInfo.dwSampleSize;
883 /* limit to end of stream */
884 if ((DWORD)(start + samples) > This->sInfo.dwLength)
885 samples = This->sInfo.dwLength - start;
887 /* request only the sizes? */
888 if (buffer == NULL || buffersize <= 0) {
889 /* then I need at least one parameter for it */
890 if (bytesread == NULL && samplesread == NULL)
891 return AVIERR_BADPARAM;
893 if (bytesread != NULL)
894 *bytesread = samples * This->sInfo.dwSampleSize;
895 if (samplesread != NULL)
896 *samplesread = samples;
898 return AVIERR_OK;
901 /* nothing to read? */
902 if (samples == 0)
903 return AVIERR_OK;
905 /* Can I read at least one sample? */
906 if ((DWORD)buffersize < This->sInfo.dwSampleSize)
907 return AVIERR_BUFFERTOOSMALL;
909 buffersize = samples * This->sInfo.dwSampleSize;
911 if (mmioSeek(This->hmmio, This->ckData.dwDataOffset
912 + start * This->sInfo.dwSampleSize, SEEK_SET) == -1)
913 return AVIERR_FILEREAD;
914 if (mmioRead(This->hmmio, buffer, buffersize) != buffersize)
915 return AVIERR_FILEREAD;
917 /* fill out return parameters if given */
918 if (bytesread != NULL)
919 *bytesread = buffersize;
920 if (samplesread != NULL)
921 *samplesread = samples;
923 return AVIERR_OK;
926 static HRESULT WINAPI IAVIStream_fnWrite(IAVIStream *iface, LONG start,
927 LONG samples, LPVOID buffer,
928 LONG buffersize, DWORD flags,
929 LPLONG sampwritten,
930 LPLONG byteswritten)
932 IAVIFileImpl *This = ((IAVIStreamImpl*)iface)->paf;
934 TRACE("(%p,%d,%d,%p,%d,0x%08X,%p,%p)\n", iface, start, samples,
935 buffer, buffersize, flags, sampwritten, byteswritten);
937 /* clear return parameters if given */
938 if (sampwritten != NULL)
939 *sampwritten = 0;
940 if (byteswritten != NULL)
941 *byteswritten = 0;
943 /* check parameters */
944 if (buffer == NULL && (buffersize > 0 || samples > 0))
945 return AVIERR_BADPARAM;
947 /* Do we have write permission? */
948 if ((This->uMode & MMIO_RWMODE) == 0)
949 return AVIERR_READONLY;
951 /* < 0 means "append" */
952 if (start < 0)
953 start = This->sInfo.dwStart + This->sInfo.dwLength;
955 /* check buffersize -- must multiple of samplesize */
956 if (buffersize & ~(This->sInfo.dwSampleSize - 1))
957 return AVIERR_BADSIZE;
959 /* do we have anything to write? */
960 if (buffer != NULL && buffersize > 0) {
961 This->fDirty = 1;
963 if (mmioSeek(This->hmmio, This->ckData.dwDataOffset +
964 start * This->sInfo.dwSampleSize, SEEK_SET) == -1)
965 return AVIERR_FILEWRITE;
966 if (mmioWrite(This->hmmio, buffer, buffersize) != buffersize)
967 return AVIERR_FILEWRITE;
969 This->sInfo.dwLength = max(This->sInfo.dwLength, (DWORD)start + samples);
970 This->ckData.cksize = max(This->ckData.cksize,
971 start * This->sInfo.dwSampleSize + buffersize);
973 /* fill out return parameters if given */
974 if (sampwritten != NULL)
975 *sampwritten = samples;
976 if (byteswritten != NULL)
977 *byteswritten = buffersize;
980 return AVIERR_OK;
983 static HRESULT WINAPI IAVIStream_fnDelete(IAVIStream *iface, LONG start,
984 LONG samples)
986 IAVIFileImpl *This = ((IAVIStreamImpl*)iface)->paf;
988 TRACE("(%p,%d,%d)\n", iface, start, samples);
990 /* check parameters */
991 if (start < 0 || samples < 0)
992 return AVIERR_BADPARAM;
994 /* Delete before start of stream? */
995 if ((DWORD)(start + samples) < This->sInfo.dwStart)
996 return AVIERR_OK;
998 /* Delete after end of stream? */
999 if ((DWORD)start > This->sInfo.dwLength)
1000 return AVIERR_OK;
1002 /* For the rest we need write permissions */
1003 if ((This->uMode & MMIO_RWMODE) == 0)
1004 return AVIERR_READONLY;
1006 if ((DWORD)(start + samples) >= This->sInfo.dwLength) {
1007 /* deletion at end */
1008 samples = This->sInfo.dwLength - start;
1009 This->sInfo.dwLength -= samples;
1010 This->ckData.cksize -= samples * This->sInfo.dwSampleSize;
1011 } else if ((DWORD)start <= This->sInfo.dwStart) {
1012 /* deletion at start */
1013 samples = This->sInfo.dwStart - start;
1014 start = This->sInfo.dwStart;
1015 This->ckData.dwDataOffset += samples * This->sInfo.dwSampleSize;
1016 This->ckData.cksize -= samples * This->sInfo.dwSampleSize;
1017 } else {
1018 /* deletion inside stream -- needs playlist and cue's */
1019 FIXME(": deletion inside of stream not supported!\n");
1021 return AVIERR_UNSUPPORTED;
1024 This->fDirty = 1;
1026 return AVIERR_OK;
1029 static HRESULT WINAPI IAVIStream_fnReadData(IAVIStream *iface, DWORD fcc,
1030 LPVOID lp, LPLONG lpread)
1032 IAVIStreamImpl *This = (IAVIStreamImpl *)iface;
1034 assert(This->paf != NULL);
1036 return IAVIFile_ReadData((PAVIFILE)This->paf, fcc, lp, lpread);
1039 static HRESULT WINAPI IAVIStream_fnWriteData(IAVIStream *iface, DWORD fcc,
1040 LPVOID lp, LONG size)
1042 IAVIStreamImpl *This = (IAVIStreamImpl *)iface;
1044 return IAVIFile_WriteData((PAVIFILE)This->paf, fcc, lp, size);
1047 static HRESULT WINAPI IAVIStream_fnSetInfo(IAVIStream *iface,
1048 LPAVISTREAMINFOW info, LONG infolen)
1050 FIXME("(%p,%p,%d): stub\n", iface, info, infolen);
1052 return E_FAIL;
1055 /***********************************************************************/
1057 static HRESULT AVIFILE_LoadFile(IAVIFileImpl *This)
1059 MMCKINFO ckRIFF;
1060 MMCKINFO ck;
1062 This->sInfo.dwLength = 0; /* just to be sure */
1063 This->fDirty = FALSE;
1065 /* search for RIFF chunk */
1066 ckRIFF.fccType = 0; /* find any */
1067 if (mmioDescend(This->hmmio, &ckRIFF, NULL, MMIO_FINDRIFF) != S_OK) {
1068 return AVIFILE_LoadSunFile(This);
1071 if (ckRIFF.fccType != formtypeWAVE)
1072 return AVIERR_BADFORMAT;
1074 /* search WAVE format chunk */
1075 ck.ckid = ckidWAVEFORMAT;
1076 if (FindChunkAndKeepExtras(&This->extra, This->hmmio, &ck,
1077 &ckRIFF, MMIO_FINDCHUNK) != S_OK)
1078 return AVIERR_FILEREAD;
1080 /* get memory for format and read it */
1081 This->lpFormat = HeapAlloc(GetProcessHeap(), 0, ck.cksize);
1082 if (This->lpFormat == NULL)
1083 return AVIERR_FILEREAD;
1084 This->cbFormat = ck.cksize;
1086 if (mmioRead(This->hmmio, (HPSTR)This->lpFormat, ck.cksize) != ck.cksize)
1087 return AVIERR_FILEREAD;
1088 if (mmioAscend(This->hmmio, &ck, 0) != S_OK)
1089 return AVIERR_FILEREAD;
1091 /* Non-pcm formats have a fact chunk.
1092 * We don't need it, so simply add it to the extra chunks.
1095 /* find the big data chunk */
1096 This->ckData.ckid = ckidWAVEDATA;
1097 if (FindChunkAndKeepExtras(&This->extra, This->hmmio, &This->ckData,
1098 &ckRIFF, MMIO_FINDCHUNK) != S_OK)
1099 return AVIERR_FILEREAD;
1101 memset(&This->sInfo, 0, sizeof(This->sInfo));
1102 This->sInfo.fccType = streamtypeAUDIO;
1103 This->sInfo.dwRate = This->lpFormat->nAvgBytesPerSec;
1104 This->sInfo.dwSampleSize =
1105 This->sInfo.dwScale = This->lpFormat->nBlockAlign;
1106 This->sInfo.dwLength = This->ckData.cksize / This->lpFormat->nBlockAlign;
1107 This->sInfo.dwSuggestedBufferSize = This->ckData.cksize;
1109 This->fInfo.dwStreams = 1;
1111 if (mmioAscend(This->hmmio, &This->ckData, 0) != S_OK) {
1112 /* seems to be truncated */
1113 WARN(": file seems to be truncated!\n");
1114 This->ckData.cksize = mmioSeek(This->hmmio, 0, SEEK_END) -
1115 This->ckData.dwDataOffset;
1116 This->sInfo.dwLength = This->ckData.cksize / This->lpFormat->nBlockAlign;
1117 This->sInfo.dwSuggestedBufferSize = This->ckData.cksize;
1120 /* ignore errors */
1121 FindChunkAndKeepExtras(&This->extra, This->hmmio, &ck, &ckRIFF, 0);
1123 return AVIERR_OK;
1126 static HRESULT AVIFILE_LoadSunFile(IAVIFileImpl *This)
1128 SUNAUDIOHEADER auhdr;
1130 mmioSeek(This->hmmio, 0, SEEK_SET);
1131 if (mmioRead(This->hmmio, (HPSTR)&auhdr, sizeof(auhdr)) != sizeof(auhdr))
1132 return AVIERR_FILEREAD;
1134 if (auhdr.fccType == 0x0064732E) {
1135 /* header in little endian */
1136 This->ckData.dwDataOffset = LE2H_DWORD(auhdr.offset);
1137 This->ckData.cksize = LE2H_DWORD(auhdr.size);
1139 auhdr.encoding = LE2H_DWORD(auhdr.encoding);
1140 auhdr.sampleRate = LE2H_DWORD(auhdr.sampleRate);
1141 auhdr.channels = LE2H_DWORD(auhdr.channels);
1142 } else if (auhdr.fccType == mmioFOURCC('.','s','n','d')) {
1143 /* header in big endian */
1144 This->ckData.dwDataOffset = BE2H_DWORD(auhdr.offset);
1145 This->ckData.cksize = BE2H_DWORD(auhdr.size);
1147 auhdr.encoding = BE2H_DWORD(auhdr.encoding);
1148 auhdr.sampleRate = BE2H_DWORD(auhdr.sampleRate);
1149 auhdr.channels = BE2H_DWORD(auhdr.channels);
1150 } else
1151 return AVIERR_FILEREAD;
1153 if (auhdr.channels < 1)
1154 return AVIERR_BADFORMAT;
1156 /* get size of header */
1157 switch(auhdr.encoding) {
1158 case AU_ENCODING_ADPCM_G721_32:
1159 This->cbFormat = sizeof(G721_ADPCMWAVEFORMAT); break;
1160 case AU_ENCODING_ADPCM_G723_24:
1161 This->cbFormat = sizeof(G723_ADPCMWAVEFORMAT); break;
1162 case AU_ENCODING_ADPCM_G722:
1163 case AU_ENCODING_ADPCM_G723_5:
1164 WARN("unsupported Sun audio format %d\n", auhdr.encoding);
1165 return AVIERR_UNSUPPORTED; /* FIXME */
1166 default:
1167 This->cbFormat = sizeof(WAVEFORMATEX); break;
1170 This->lpFormat = HeapAlloc(GetProcessHeap(), 0, This->cbFormat);
1171 if (This->lpFormat == NULL)
1172 return AVIERR_MEMORY;
1174 This->lpFormat->nChannels = auhdr.channels;
1175 This->lpFormat->nSamplesPerSec = auhdr.sampleRate;
1176 switch(auhdr.encoding) {
1177 case AU_ENCODING_ULAW_8:
1178 This->lpFormat->wFormatTag = WAVE_FORMAT_MULAW;
1179 This->lpFormat->wBitsPerSample = 8;
1180 break;
1181 case AU_ENCODING_PCM_8:
1182 This->lpFormat->wFormatTag = WAVE_FORMAT_PCM;
1183 This->lpFormat->wBitsPerSample = 8;
1184 break;
1185 case AU_ENCODING_PCM_16:
1186 This->lpFormat->wFormatTag = WAVE_FORMAT_PCM;
1187 This->lpFormat->wBitsPerSample = 16;
1188 break;
1189 case AU_ENCODING_PCM_24:
1190 This->lpFormat->wFormatTag = WAVE_FORMAT_PCM;
1191 This->lpFormat->wBitsPerSample = 24;
1192 break;
1193 case AU_ENCODING_PCM_32:
1194 This->lpFormat->wFormatTag = WAVE_FORMAT_PCM;
1195 This->lpFormat->wBitsPerSample = 32;
1196 break;
1197 case AU_ENCODING_ALAW_8:
1198 This->lpFormat->wFormatTag = WAVE_FORMAT_ALAW;
1199 This->lpFormat->wBitsPerSample = 8;
1200 break;
1201 case AU_ENCODING_ADPCM_G721_32:
1202 This->lpFormat->wFormatTag = WAVE_FORMAT_G721_ADPCM;
1203 This->lpFormat->wBitsPerSample = (3*5*8);
1204 This->lpFormat->nBlockAlign = 15*15*8;
1205 This->lpFormat->cbSize = sizeof(WORD);
1206 ((LPG721_ADPCMWAVEFORMAT)This->lpFormat)->nAuxBlockSize = 0;
1207 break;
1208 case AU_ENCODING_ADPCM_G723_24:
1209 This->lpFormat->wFormatTag = WAVE_FORMAT_G723_ADPCM;
1210 This->lpFormat->wBitsPerSample = (3*5*8);
1211 This->lpFormat->nBlockAlign = 15*15*8;
1212 This->lpFormat->cbSize = 2*sizeof(WORD);
1213 ((LPG723_ADPCMWAVEFORMAT)This->lpFormat)->cbExtraSize = 0;
1214 ((LPG723_ADPCMWAVEFORMAT)This->lpFormat)->nAuxBlockSize = 0;
1215 break;
1216 default:
1217 WARN("unsupported Sun audio format %d\n", auhdr.encoding);
1218 return AVIERR_UNSUPPORTED;
1221 This->lpFormat->nBlockAlign =
1222 (This->lpFormat->nChannels * This->lpFormat->wBitsPerSample) / 8;
1223 if (This->lpFormat->nBlockAlign == 0 && This->lpFormat->wBitsPerSample < 8)
1224 This->lpFormat->nBlockAlign++;
1225 This->lpFormat->nAvgBytesPerSec =
1226 This->lpFormat->nBlockAlign * This->lpFormat->nSamplesPerSec;
1228 This->fDirty = 0;
1230 This->sInfo.fccType = streamtypeAUDIO;
1231 This->sInfo.fccHandler = 0;
1232 This->sInfo.dwFlags = 0;
1233 This->sInfo.wPriority = 0;
1234 This->sInfo.wLanguage = 0;
1235 This->sInfo.dwInitialFrames = 0;
1236 This->sInfo.dwScale = This->lpFormat->nBlockAlign;
1237 This->sInfo.dwRate = This->lpFormat->nAvgBytesPerSec;
1238 This->sInfo.dwStart = 0;
1239 This->sInfo.dwLength =
1240 This->ckData.cksize / This->lpFormat->nBlockAlign;
1241 This->sInfo.dwSuggestedBufferSize = This->sInfo.dwLength;
1242 This->sInfo.dwSampleSize = This->lpFormat->nBlockAlign;
1244 This->fInfo.dwStreams = 1;
1245 This->fInfo.dwScale = 1;
1246 This->fInfo.dwRate = This->lpFormat->nSamplesPerSec;
1247 This->fInfo.dwLength =
1248 MulDiv(This->ckData.cksize, This->lpFormat->nSamplesPerSec,
1249 This->lpFormat->nAvgBytesPerSec);
1251 return AVIERR_OK;
1254 static HRESULT AVIFILE_SaveFile(const IAVIFileImpl *This)
1256 MMCKINFO ckRIFF;
1257 MMCKINFO ck;
1259 mmioSeek(This->hmmio, 0, SEEK_SET);
1261 /* create the RIFF chunk with formtype WAVE */
1262 ckRIFF.fccType = formtypeWAVE;
1263 ckRIFF.cksize = 0;
1264 if (mmioCreateChunk(This->hmmio, &ckRIFF, MMIO_CREATERIFF) != S_OK)
1265 return AVIERR_FILEWRITE;
1267 /* the next chunk is the format */
1268 ck.ckid = ckidWAVEFORMAT;
1269 ck.cksize = This->cbFormat;
1270 if (mmioCreateChunk(This->hmmio, &ck, 0) != S_OK)
1271 return AVIERR_FILEWRITE;
1272 if (This->lpFormat != NULL && This->cbFormat > 0) {
1273 if (mmioWrite(This->hmmio, (HPSTR)This->lpFormat, ck.cksize) != ck.cksize)
1274 return AVIERR_FILEWRITE;
1276 if (mmioAscend(This->hmmio, &ck, 0) != S_OK)
1277 return AVIERR_FILEWRITE;
1279 /* fact chunk is needed for non-pcm waveforms */
1280 if (This->lpFormat != NULL && This->cbFormat > sizeof(PCMWAVEFORMAT) &&
1281 This->lpFormat->wFormatTag != WAVE_FORMAT_PCM) {
1282 WAVEFORMATEX wfx;
1283 DWORD dwFactLength;
1284 HACMSTREAM has;
1286 /* try to open an appropriate audio codec to figure out
1287 * data for fact-chunk */
1288 wfx.wFormatTag = WAVE_FORMAT_PCM;
1289 if (acmFormatSuggest(NULL, This->lpFormat, &wfx,
1290 sizeof(wfx), ACM_FORMATSUGGESTF_WFORMATTAG)) {
1291 acmStreamOpen(&has, NULL, This->lpFormat, &wfx, NULL,
1292 0, 0, ACM_STREAMOPENF_NONREALTIME);
1293 acmStreamSize(has, This->ckData.cksize, &dwFactLength,
1294 ACM_STREAMSIZEF_SOURCE);
1295 dwFactLength /= wfx.nBlockAlign;
1296 acmStreamClose(has, 0);
1298 /* create the fact chunk */
1299 ck.ckid = ckidWAVEFACT;
1300 ck.cksize = sizeof(dwFactLength);
1302 /* test for enough space before data chunk */
1303 if (mmioSeek(This->hmmio, 0, SEEK_CUR) > This->ckData.dwDataOffset
1304 - ck.cksize - 4 * sizeof(DWORD))
1305 return AVIERR_FILEWRITE;
1306 if (mmioCreateChunk(This->hmmio, &ck, 0) != S_OK)
1307 return AVIERR_FILEWRITE;
1308 if (mmioWrite(This->hmmio, (HPSTR)&dwFactLength, ck.cksize) != ck.cksize)
1309 return AVIERR_FILEWRITE;
1310 if (mmioAscend(This->hmmio, &ck, 0) != S_OK)
1311 return AVIERR_FILEWRITE;
1312 } else
1313 ERR(": fact chunk is needed for non-pcm files -- currently no codec found, so skipped!\n");
1316 /* if there was extra stuff, we need to fill it with JUNK */
1317 if (mmioSeek(This->hmmio, 0, SEEK_CUR) + 2 * sizeof(DWORD) < This->ckData.dwDataOffset) {
1318 ck.ckid = ckidAVIPADDING;
1319 ck.cksize = 0;
1320 if (mmioCreateChunk(This->hmmio, &ck, 0) != S_OK)
1321 return AVIERR_FILEWRITE;
1323 if (mmioSeek(This->hmmio, This->ckData.dwDataOffset
1324 - 2 * sizeof(DWORD), SEEK_SET) == -1)
1325 return AVIERR_FILEWRITE;
1326 if (mmioAscend(This->hmmio, &ck, 0) != S_OK)
1327 return AVIERR_FILEWRITE;
1330 /* create the data chunk */
1331 ck.ckid = ckidWAVEDATA;
1332 ck.cksize = This->ckData.cksize;
1333 if (mmioCreateChunk(This->hmmio, &ck, 0) != S_OK)
1334 return AVIERR_FILEWRITE;
1335 if (mmioSeek(This->hmmio, This->ckData.cksize, SEEK_CUR) == -1)
1336 return AVIERR_FILEWRITE;
1337 if (mmioAscend(This->hmmio, &ck, 0) != S_OK)
1338 return AVIERR_FILEWRITE;
1340 /* some optional extra chunks? */
1341 if (This->extra.lp != NULL && This->extra.cb > 0) {
1342 /* chunk headers are already in structure */
1343 if (mmioWrite(This->hmmio, This->extra.lp, This->extra.cb) != This->extra.cb)
1344 return AVIERR_FILEWRITE;
1347 /* close RIFF chunk */
1348 if (mmioAscend(This->hmmio, &ckRIFF, 0) != S_OK)
1349 return AVIERR_FILEWRITE;
1350 if (mmioFlush(This->hmmio, 0) != S_OK)
1351 return AVIERR_FILEWRITE;
1353 return AVIERR_OK;