c3c2e23a5803d2e21426a2f5f66a8713ea9d36fe
[reactos.git] / reactos / lib / avifil32 / wavfile.c
1 /*
2 * Copyright 2002 Michael Günnewig
3 *
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.
8 *
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.
13 *
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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
17 */
18
19 #define COM_NO_WINDOWS_H
20 #include <assert.h>
21 #include <stdarg.h>
22
23 #include "windef.h"
24 #include "winbase.h"
25 #include "wingdi.h"
26 #include "winuser.h"
27 #include "winnls.h"
28 #include "winerror.h"
29 #include "windowsx.h"
30 #include "mmsystem.h"
31 #include "vfw.h"
32 #include "msacm.h"
33
34 #include "avifile_private.h"
35 #include "extrachunk.h"
36
37 #include "wine/unicode.h"
38 #include "wine/debug.h"
39
40 WINE_DEFAULT_DEBUG_CHANNEL(avifile);
41
42 /***********************************************************************/
43
44 #define formtypeWAVE mmioFOURCC('W','A','V','E')
45 #define ckidWAVEFORMAT mmioFOURCC('f','m','t',' ')
46 #define ckidWAVEFACT mmioFOURCC('f','a','c','t')
47 #define ckidWAVEDATA mmioFOURCC('d','a','t','a')
48
49 /***********************************************************************/
50
51 #define ENDIAN_SWAPWORD(x) ((((x) >> 8) & 0xFF) | (((x) & 0xFF) << 8))
52 #define ENDIAN_SWAPDWORD(x) (ENDIAN_SWAPWORD((x >> 16) & 0xFFFF) | \
53 ENDIAN_SWAPWORD(x & 0xFFFF) << 16)
54
55 #ifdef WORDS_BIGENDIAN
56 #define BE2H_WORD(x) (x)
57 #define BE2H_DWORD(x) (x)
58 #define LE2H_WORD(x) ENDIAN_SWAPWORD(x)
59 #define LE2H_DWORD(x) ENDIAN_SWAPDWORD(x)
60 #else
61 #define BE2H_WORD(x) ENDIAN_SWAPWORD(x)
62 #define BE2H_DWORD(x) ENDIAN_SWAPDWORD(x)
63 #define LE2H_WORD(x) (x)
64 #define LE2H_DWORD(x) (x)
65 #endif
66
67 typedef struct {
68 FOURCC fccType;
69 DWORD offset;
70 DWORD size;
71 INT encoding;
72 DWORD sampleRate;
73 DWORD channels;
74 } SUNAUDIOHEADER;
75
76 #define AU_ENCODING_ULAW_8 1
77 #define AU_ENCODING_PCM_8 2
78 #define AU_ENCODING_PCM_16 3
79 #define AU_ENCODING_PCM_24 4
80 #define AU_ENCODING_PCM_32 5
81 #define AU_ENCODING_FLOAT 6
82 #define AU_ENCODING_DOUBLE 7
83 #define AU_ENCODING_ADPCM_G721_32 23
84 #define AU_ENCODING_ADPCM_G722 24
85 #define AU_ENCODING_ADPCM_G723_24 25
86 #define AU_ENCODING_ADPCM_G723_5 26
87 #define AU_ENCODING_ALAW_8 27
88
89 /***********************************************************************/
90
91 static HRESULT WINAPI IAVIFile_fnQueryInterface(IAVIFile* iface,REFIID refiid,LPVOID *obj);
92 static ULONG WINAPI IAVIFile_fnAddRef(IAVIFile* iface);
93 static ULONG WINAPI IAVIFile_fnRelease(IAVIFile* iface);
94 static HRESULT WINAPI IAVIFile_fnInfo(IAVIFile*iface,AVIFILEINFOW*afi,LONG size);
95 static HRESULT WINAPI IAVIFile_fnGetStream(IAVIFile*iface,PAVISTREAM*avis,DWORD fccType,LONG lParam);
96 static HRESULT WINAPI IAVIFile_fnCreateStream(IAVIFile*iface,PAVISTREAM*avis,AVISTREAMINFOW*asi);
97 static HRESULT WINAPI IAVIFile_fnWriteData(IAVIFile*iface,DWORD ckid,LPVOID lpData,LONG size);
98 static HRESULT WINAPI IAVIFile_fnReadData(IAVIFile*iface,DWORD ckid,LPVOID lpData,LONG *size);
99 static HRESULT WINAPI IAVIFile_fnEndRecord(IAVIFile*iface);
100 static HRESULT WINAPI IAVIFile_fnDeleteStream(IAVIFile*iface,DWORD fccType,LONG lParam);
101
102 static const struct IAVIFileVtbl iwavft = {
103 IAVIFile_fnQueryInterface,
104 IAVIFile_fnAddRef,
105 IAVIFile_fnRelease,
106 IAVIFile_fnInfo,
107 IAVIFile_fnGetStream,
108 IAVIFile_fnCreateStream,
109 IAVIFile_fnWriteData,
110 IAVIFile_fnReadData,
111 IAVIFile_fnEndRecord,
112 IAVIFile_fnDeleteStream
113 };
114
115 static HRESULT WINAPI IPersistFile_fnQueryInterface(IPersistFile*iface,REFIID refiid,LPVOID*obj);
116 static ULONG WINAPI IPersistFile_fnAddRef(IPersistFile*iface);
117 static ULONG WINAPI IPersistFile_fnRelease(IPersistFile*iface);
118 static HRESULT WINAPI IPersistFile_fnGetClassID(IPersistFile*iface,CLSID*pClassID);
119 static HRESULT WINAPI IPersistFile_fnIsDirty(IPersistFile*iface);
120 static HRESULT WINAPI IPersistFile_fnLoad(IPersistFile*iface,LPCOLESTR pszFileName,DWORD dwMode);
121 static HRESULT WINAPI IPersistFile_fnSave(IPersistFile*iface,LPCOLESTR pszFileName,BOOL fRemember);
122 static HRESULT WINAPI IPersistFile_fnSaveCompleted(IPersistFile*iface,LPCOLESTR pszFileName);
123 static HRESULT WINAPI IPersistFile_fnGetCurFile(IPersistFile*iface,LPOLESTR*ppszFileName);
124
125 static const struct IPersistFileVtbl iwavpft = {
126 IPersistFile_fnQueryInterface,
127 IPersistFile_fnAddRef,
128 IPersistFile_fnRelease,
129 IPersistFile_fnGetClassID,
130 IPersistFile_fnIsDirty,
131 IPersistFile_fnLoad,
132 IPersistFile_fnSave,
133 IPersistFile_fnSaveCompleted,
134 IPersistFile_fnGetCurFile
135 };
136
137 static HRESULT WINAPI IAVIStream_fnQueryInterface(IAVIStream*iface,REFIID refiid,LPVOID *obj);
138 static ULONG WINAPI IAVIStream_fnAddRef(IAVIStream*iface);
139 static ULONG WINAPI IAVIStream_fnRelease(IAVIStream* iface);
140 static HRESULT WINAPI IAVIStream_fnCreate(IAVIStream*iface,LPARAM lParam1,LPARAM lParam2);
141 static HRESULT WINAPI IAVIStream_fnInfo(IAVIStream*iface,AVISTREAMINFOW *psi,LONG size);
142 static LONG WINAPI IAVIStream_fnFindSample(IAVIStream*iface,LONG pos,LONG flags);
143 static HRESULT WINAPI IAVIStream_fnReadFormat(IAVIStream*iface,LONG pos,LPVOID format,LONG *formatsize);
144 static HRESULT WINAPI IAVIStream_fnSetFormat(IAVIStream*iface,LONG pos,LPVOID format,LONG formatsize);
145 static HRESULT WINAPI IAVIStream_fnRead(IAVIStream*iface,LONG start,LONG samples,LPVOID buffer,LONG buffersize,LONG *bytesread,LONG *samplesread);
146 static HRESULT WINAPI IAVIStream_fnWrite(IAVIStream*iface,LONG start,LONG samples,LPVOID buffer,LONG buffersize,DWORD flags,LONG *sampwritten,LONG *byteswritten);
147 static HRESULT WINAPI IAVIStream_fnDelete(IAVIStream*iface,LONG start,LONG samples);
148 static HRESULT WINAPI IAVIStream_fnReadData(IAVIStream*iface,DWORD fcc,LPVOID lp,LONG *lpread);
149 static HRESULT WINAPI IAVIStream_fnWriteData(IAVIStream*iface,DWORD fcc,LPVOID lp,LONG size);
150 static HRESULT WINAPI IAVIStream_fnSetInfo(IAVIStream*iface,AVISTREAMINFOW*info,LONG infolen);
151
152 static const struct IAVIStreamVtbl iwavst = {
153 IAVIStream_fnQueryInterface,
154 IAVIStream_fnAddRef,
155 IAVIStream_fnRelease,
156 IAVIStream_fnCreate,
157 IAVIStream_fnInfo,
158 IAVIStream_fnFindSample,
159 IAVIStream_fnReadFormat,
160 IAVIStream_fnSetFormat,
161 IAVIStream_fnRead,
162 IAVIStream_fnWrite,
163 IAVIStream_fnDelete,
164 IAVIStream_fnReadData,
165 IAVIStream_fnWriteData,
166 IAVIStream_fnSetInfo
167 };
168
169 typedef struct _IAVIFileImpl IAVIFileImpl;
170
171 typedef struct _IPersistFileImpl {
172 /* IUnknown stuff */
173 const IPersistFileVtbl *lpVtbl;
174
175 /* IPersistFile stuff */
176 IAVIFileImpl *paf;
177 } IPersistFileImpl;
178
179 typedef struct _IAVIStreamImpl {
180 /* IUnknown stuff */
181 const IAVIStreamVtbl *lpVtbl;
182
183 /* IAVIStream stuff */
184 IAVIFileImpl *paf;
185 } IAVIStreamImpl;
186
187 struct _IAVIFileImpl {
188 /* IUnknown stuff */
189 const IAVIFileVtbl *lpVtbl;
190 LONG ref;
191
192 /* IAVIFile, IAVIStream stuff... */
193 IPersistFileImpl iPersistFile;
194 IAVIStreamImpl iAVIStream;
195
196 AVIFILEINFOW fInfo;
197 AVISTREAMINFOW sInfo;
198
199 LPWAVEFORMATEX lpFormat;
200 LONG cbFormat;
201
202 MMCKINFO ckData;
203
204 EXTRACHUNKS extra;
205
206 /* IPersistFile stuff ... */
207 HMMIO hmmio;
208 LPWSTR szFileName;
209 UINT uMode;
210 BOOL fDirty;
211 };
212
213 /***********************************************************************/
214
215 static HRESULT AVIFILE_LoadFile(IAVIFileImpl *This);
216 static HRESULT AVIFILE_LoadSunFile(IAVIFileImpl *This);
217 static HRESULT AVIFILE_SaveFile(IAVIFileImpl *This);
218
219 HRESULT AVIFILE_CreateWAVFile(REFIID riid, LPVOID *ppv)
220 {
221 IAVIFileImpl *pfile;
222 HRESULT hr;
223
224 assert(riid != NULL && ppv != NULL);
225
226 *ppv = NULL;
227
228 pfile = (IAVIFileImpl*)LocalAlloc(LPTR, sizeof(IAVIFileImpl));
229 if (pfile == NULL)
230 return AVIERR_MEMORY;
231
232 pfile->lpVtbl = &iwavft;
233 pfile->iPersistFile.lpVtbl = &iwavpft;
234 pfile->iAVIStream.lpVtbl = &iwavst;
235 pfile->ref = 0;
236 pfile->iPersistFile.paf = pfile;
237 pfile->iAVIStream.paf = pfile;
238
239 hr = IAVIFile_QueryInterface((IAVIFile*)pfile, riid, ppv);
240 if (FAILED(hr))
241 LocalFree((HLOCAL)pfile);
242
243 return hr;
244 }
245
246 static HRESULT WINAPI IAVIFile_fnQueryInterface(IAVIFile *iface, REFIID refiid,
247 LPVOID *obj)
248 {
249 IAVIFileImpl *This = (IAVIFileImpl *)iface;
250
251 TRACE("(%p,%s,%p)\n", This, debugstr_guid(refiid), obj);
252
253 if (IsEqualGUID(&IID_IUnknown, refiid) ||
254 IsEqualGUID(&IID_IAVIFile, refiid)) {
255 *obj = iface;
256 return S_OK;
257 } else if (This->fInfo.dwStreams == 1 &&
258 IsEqualGUID(&IID_IAVIStream, refiid)) {
259 *obj = &This->iAVIStream;
260 return S_OK;
261 } else if (IsEqualGUID(&IID_IPersistFile, refiid)) {
262 *obj = &This->iPersistFile;
263 return S_OK;
264 }
265
266 return OLE_E_ENUM_NOMORE;
267 }
268
269 static ULONG WINAPI IAVIFile_fnAddRef(IAVIFile *iface)
270 {
271 IAVIFileImpl *This = (IAVIFileImpl *)iface;
272
273 TRACE("(%p)\n",iface);
274
275 return InterlockedIncrement(&This->ref);
276 }
277
278 static ULONG WINAPI IAVIFile_fnRelease(IAVIFile *iface)
279 {
280 IAVIFileImpl *This = (IAVIFileImpl *)iface;
281 ULONG ref = InterlockedDecrement(&This->ref);
282
283 TRACE("(%p)\n",iface);
284
285 if (!ref) {
286 if (This->fDirty) {
287 /* need to write headers to file */
288 AVIFILE_SaveFile(This);
289 }
290
291 if (This->lpFormat != NULL) {
292 GlobalFreePtr(This->lpFormat);
293 This->lpFormat = NULL;
294 This->cbFormat = 0;
295 }
296 if (This->extra.lp != NULL) {
297 GlobalFreePtr(This->extra.lp);
298 This->extra.lp = NULL;
299 This->extra.cb = 0;
300 }
301 if (This->szFileName != NULL) {
302 LocalFree((HLOCAL)This->szFileName);
303 This->szFileName = NULL;
304 }
305 if (This->hmmio != NULL) {
306 mmioClose(This->hmmio, 0);
307 This->hmmio = NULL;
308 }
309
310 LocalFree((HLOCAL)This);
311 return 0;
312 }
313 return ref;
314 }
315
316 static HRESULT WINAPI IAVIFile_fnInfo(IAVIFile *iface, LPAVIFILEINFOW afi,
317 LONG size)
318 {
319 IAVIFileImpl *This = (IAVIFileImpl *)iface;
320
321 TRACE("(%p,%p,%ld)\n",iface,afi,size);
322
323 if (afi == NULL)
324 return AVIERR_BADPARAM;
325 if (size < 0)
326 return AVIERR_BADSIZE;
327
328 /* update file info */
329 This->fInfo.dwFlags = 0;
330 This->fInfo.dwCaps = AVIFILECAPS_CANREAD|AVIFILECAPS_CANWRITE;
331 if (This->lpFormat != NULL) {
332 assert(This->sInfo.dwScale != 0);
333
334 This->fInfo.dwStreams = 1;
335 This->fInfo.dwScale = This->sInfo.dwScale;
336 This->fInfo.dwRate = This->sInfo.dwRate;
337 This->fInfo.dwLength = This->sInfo.dwLength;
338 This->fInfo.dwSuggestedBufferSize = This->ckData.cksize;
339 This->fInfo.dwMaxBytesPerSec =
340 MulDiv(This->sInfo.dwSampleSize,This->sInfo.dwRate,This->sInfo.dwScale);
341 }
342
343 memcpy(afi, &This->fInfo, min((DWORD)size, sizeof(This->fInfo)));
344
345 if ((DWORD)size < sizeof(This->fInfo))
346 return AVIERR_BUFFERTOOSMALL;
347 return AVIERR_OK;
348 }
349
350 static HRESULT WINAPI IAVIFile_fnGetStream(IAVIFile *iface, PAVISTREAM *avis,
351 DWORD fccType, LONG lParam)
352 {
353 IAVIFileImpl *This = (IAVIFileImpl *)iface;
354
355 TRACE("(%p,%p,0x%08lX,%ld)\n", iface, avis, fccType, lParam);
356
357 /* check parameter */
358 if (avis == NULL)
359 return AVIERR_BADPARAM;
360
361 *avis = NULL;
362
363 /* Does our stream exists? */
364 if (lParam != 0 || This->fInfo.dwStreams == 0)
365 return AVIERR_NODATA;
366 if (fccType != 0 && fccType != streamtypeAUDIO)
367 return AVIERR_NODATA;
368
369 *avis = (PAVISTREAM)&This->iAVIStream;
370 IAVIFile_AddRef(iface);
371
372 return AVIERR_OK;
373 }
374
375 static HRESULT WINAPI IAVIFile_fnCreateStream(IAVIFile *iface,PAVISTREAM *avis,
376 LPAVISTREAMINFOW asi)
377 {
378 IAVIFileImpl *This = (IAVIFileImpl *)iface;
379
380 TRACE("(%p,%p,%p)\n", iface, avis, asi);
381
382 /* check parameters */
383 if (avis == NULL || asi == NULL)
384 return AVIERR_BADPARAM;
385
386 *avis = NULL;
387
388 /* We only support one audio stream */
389 if (This->fInfo.dwStreams != 0 || This->lpFormat != NULL)
390 return AVIERR_UNSUPPORTED;
391 if (asi->fccType != streamtypeAUDIO)
392 return AVIERR_UNSUPPORTED;
393
394 /* Does the user have write permission? */
395 if ((This->uMode & MMIO_RWMODE) == 0)
396 return AVIERR_READONLY;
397
398 This->cbFormat = 0;
399 This->lpFormat = NULL;
400
401 memcpy(&This->sInfo, asi, sizeof(This->sInfo));
402
403 /* make sure streaminfo if okay for us */
404 This->sInfo.fccHandler = 0;
405 This->sInfo.dwFlags = 0;
406 This->sInfo.dwCaps = AVIFILECAPS_CANREAD|AVIFILECAPS_CANWRITE;
407 This->sInfo.dwStart = 0;
408 This->sInfo.dwInitialFrames = 0;
409 This->sInfo.dwFormatChangeCount = 0;
410 memset(&This->sInfo.rcFrame, 0, sizeof(This->sInfo.rcFrame));
411
412 This->fInfo.dwStreams = 1;
413 This->fInfo.dwScale = This->sInfo.dwScale;
414 This->fInfo.dwRate = This->sInfo.dwRate;
415 This->fInfo.dwLength = This->sInfo.dwLength;
416
417 This->ckData.dwDataOffset = 0;
418 This->ckData.cksize = 0;
419
420 *avis = (PAVISTREAM)&This->iAVIStream;
421 IAVIFile_AddRef(iface);
422
423 return AVIERR_OK;
424 }
425
426 static HRESULT WINAPI IAVIFile_fnWriteData(IAVIFile *iface, DWORD ckid,
427 LPVOID lpData, LONG size)
428 {
429 IAVIFileImpl *This = (IAVIFileImpl *)iface;
430
431 TRACE("(%p,0x%08lX,%p,%ld)\n", iface, ckid, lpData, size);
432
433 /* check parameters */
434 if (lpData == NULL)
435 return AVIERR_BADPARAM;
436 if (size < 0)
437 return AVIERR_BADSIZE;
438
439 /* Do we have write permission? */
440 if ((This->uMode & MMIO_RWMODE) == 0)
441 return AVIERR_READONLY;
442
443 This->fDirty = TRUE;
444
445 return WriteExtraChunk(&This->extra, ckid, lpData, size);
446 }
447
448 static HRESULT WINAPI IAVIFile_fnReadData(IAVIFile *iface, DWORD ckid,
449 LPVOID lpData, LONG *size)
450 {
451 IAVIFileImpl *This = (IAVIFileImpl *)iface;
452
453 TRACE("(%p,0x%08lX,%p,%p)\n", iface, ckid, lpData, size);
454
455 return ReadExtraChunk(&This->extra, ckid, lpData, size);
456 }
457
458 static HRESULT WINAPI IAVIFile_fnEndRecord(IAVIFile *iface)
459 {
460 TRACE("(%p)\n",iface);
461
462 /* This is only needed for interleaved files.
463 * We have only one stream, which can't be interleaved.
464 */
465 return AVIERR_OK;
466 }
467
468 static HRESULT WINAPI IAVIFile_fnDeleteStream(IAVIFile *iface, DWORD fccType,
469 LONG lParam)
470 {
471 IAVIFileImpl *This = (IAVIFileImpl *)iface;
472
473 TRACE("(%p,0x%08lX,%ld)\n", iface, fccType, lParam);
474
475 /* check parameter */
476 if (lParam < 0)
477 return AVIERR_BADPARAM;
478
479 /* Do we have our audio stream? */
480 if (lParam != 0 || This->fInfo.dwStreams == 0 ||
481 (fccType != 0 && fccType != streamtypeAUDIO))
482 return AVIERR_NODATA;
483
484 /* Have user write permissions? */
485 if ((This->uMode & MMIO_RWMODE) == 0)
486 return AVIERR_READONLY;
487
488 GlobalFreePtr(This->lpFormat);
489 This->lpFormat = NULL;
490 This->cbFormat = 0;
491
492 /* update infos */
493 This->ckData.dwDataOffset = 0;
494 This->ckData.cksize = 0;
495
496 This->sInfo.dwScale = 0;
497 This->sInfo.dwRate = 0;
498 This->sInfo.dwLength = 0;
499 This->sInfo.dwSuggestedBufferSize = 0;
500
501 This->fInfo.dwStreams = 0;
502 This->fInfo.dwEditCount++;
503
504 This->fDirty = TRUE;
505
506 return AVIERR_OK;
507 }
508
509 /***********************************************************************/
510
511 static HRESULT WINAPI IPersistFile_fnQueryInterface(IPersistFile *iface,
512 REFIID refiid, LPVOID *obj)
513 {
514 IPersistFileImpl *This = (IPersistFileImpl *)iface;
515
516 assert(This->paf != NULL);
517
518 return IAVIFile_QueryInterface((PAVIFILE)This->paf, refiid, obj);
519 }
520
521 static ULONG WINAPI IPersistFile_fnAddRef(IPersistFile *iface)
522 {
523 IPersistFileImpl *This = (IPersistFileImpl *)iface;
524
525 assert(This->paf != NULL);
526
527 return IAVIFile_AddRef((PAVIFILE)This->paf);
528 }
529
530 static ULONG WINAPI IPersistFile_fnRelease(IPersistFile *iface)
531 {
532 IPersistFileImpl *This = (IPersistFileImpl *)iface;
533
534 assert(This->paf != NULL);
535
536 return IAVIFile_Release((PAVIFILE)This->paf);
537 }
538
539 static HRESULT WINAPI IPersistFile_fnGetClassID(IPersistFile *iface,
540 LPCLSID pClassID)
541 {
542 TRACE("(%p,%p)\n", iface, pClassID);
543
544 if (pClassID == NULL)
545 return AVIERR_BADPARAM;
546
547 memcpy(pClassID, &CLSID_WAVFile, sizeof(CLSID_WAVFile));
548
549 return AVIERR_OK;
550 }
551
552 static HRESULT WINAPI IPersistFile_fnIsDirty(IPersistFile *iface)
553 {
554 IPersistFileImpl *This = (IPersistFileImpl *)iface;
555
556 TRACE("(%p)\n", iface);
557
558 assert(This->paf != NULL);
559
560 return (This->paf->fDirty ? S_OK : S_FALSE);
561 }
562
563 static HRESULT WINAPI IPersistFile_fnLoad(IPersistFile *iface,
564 LPCOLESTR pszFileName, DWORD dwMode)
565 {
566 IAVIFileImpl *This = ((IPersistFileImpl*)iface)->paf;
567
568 WCHAR wszStreamFmt[50];
569 INT len;
570
571 TRACE("(%p,%s,0x%08lX)\n", iface, debugstr_w(pszFileName), dwMode);
572
573 /* check parameter */
574 if (pszFileName == NULL)
575 return AVIERR_BADPARAM;
576
577 assert(This != NULL);
578 if (This->hmmio != NULL)
579 return AVIERR_ERROR; /* No reuse of this object for another file! */
580
581 /* remeber mode and name */
582 This->uMode = dwMode;
583
584 len = lstrlenW(pszFileName) + 1;
585 This->szFileName = LocalAlloc(LPTR, len * sizeof(WCHAR));
586 if (This->szFileName == NULL)
587 return AVIERR_MEMORY;
588 lstrcpyW(This->szFileName, pszFileName);
589
590 /* try to open the file */
591 This->hmmio = mmioOpenW(This->szFileName, NULL, MMIO_ALLOCBUF | dwMode);
592 if (This->hmmio == NULL) {
593 /* mmioOpenW not in native DLLs of Win9x -- try mmioOpenA */
594 LPSTR szFileName;
595 len = WideCharToMultiByte(CP_ACP, 0, This->szFileName, -1,
596 NULL, 0, NULL, NULL);
597 szFileName = LocalAlloc(LPTR, len * sizeof(CHAR));
598 if (szFileName == NULL)
599 return AVIERR_MEMORY;
600
601 WideCharToMultiByte(CP_ACP, 0, This->szFileName, -1, szFileName,
602 len, NULL, NULL);
603
604 This->hmmio = mmioOpenA(szFileName, NULL, MMIO_ALLOCBUF | dwMode);
605 LocalFree((HLOCAL)szFileName);
606 if (This->hmmio == NULL)
607 return AVIERR_FILEOPEN;
608 }
609
610 memset(& This->fInfo, 0, sizeof(This->fInfo));
611 memset(& This->sInfo, 0, sizeof(This->sInfo));
612
613 LoadStringW(AVIFILE_hModule, IDS_WAVEFILETYPE, This->fInfo.szFileType,
614 sizeof(This->fInfo.szFileType));
615 if (LoadStringW(AVIFILE_hModule, IDS_WAVESTREAMFORMAT,
616 wszStreamFmt, sizeof(wszStreamFmt)) > 0) {
617 wsprintfW(This->sInfo.szName, wszStreamFmt,
618 AVIFILE_BasenameW(This->szFileName));
619 }
620
621 /* should we create a new file? */
622 if (dwMode & OF_CREATE) {
623 /* nothing more to do */
624 return AVIERR_OK;
625 } else
626 return AVIFILE_LoadFile(This);
627 }
628
629 static HRESULT WINAPI IPersistFile_fnSave(IPersistFile *iface,
630 LPCOLESTR pszFileName,BOOL fRemember)
631 {
632 TRACE("(%p,%s,%d)\n", iface, debugstr_w(pszFileName), fRemember);
633
634 /* We write directly to disk, so nothing to do. */
635
636 return AVIERR_OK;
637 }
638
639 static HRESULT WINAPI IPersistFile_fnSaveCompleted(IPersistFile *iface,
640 LPCOLESTR pszFileName)
641 {
642 TRACE("(%p,%s)\n", iface, debugstr_w(pszFileName));
643
644 /* We write directly to disk, so nothing to do. */
645
646 return AVIERR_OK;
647 }
648
649 static HRESULT WINAPI IPersistFile_fnGetCurFile(IPersistFile *iface,
650 LPOLESTR *ppszFileName)
651 {
652 IPersistFileImpl *This = (IPersistFileImpl *)iface;
653
654 TRACE("(%p,%p)\n", iface, ppszFileName);
655
656 if (ppszFileName == NULL)
657 return AVIERR_BADPARAM;
658
659 *ppszFileName = NULL;
660
661 assert(This->paf != NULL);
662
663 if (This->paf->szFileName != NULL) {
664 int len = lstrlenW(This->paf->szFileName) + 1;
665
666 *ppszFileName = GlobalAllocPtr(GHND, len * sizeof(WCHAR));
667 if (*ppszFileName == NULL)
668 return AVIERR_MEMORY;
669
670 strcpyW(*ppszFileName, This->paf->szFileName);
671 }
672
673 return AVIERR_OK;
674 }
675
676 /***********************************************************************/
677
678 static HRESULT WINAPI IAVIStream_fnQueryInterface(IAVIStream *iface,
679 REFIID refiid, LPVOID *obj)
680 {
681 IAVIStreamImpl *This = (IAVIStreamImpl *)iface;
682
683 assert(This->paf != NULL);
684
685 return IAVIFile_QueryInterface((PAVIFILE)This->paf, refiid, obj);
686 }
687
688 static ULONG WINAPI IAVIStream_fnAddRef(IAVIStream *iface)
689 {
690 IAVIStreamImpl *This = (IAVIStreamImpl *)iface;
691
692 assert(This->paf != NULL);
693
694 return IAVIFile_AddRef((PAVIFILE)This->paf);
695 }
696
697 static ULONG WINAPI IAVIStream_fnRelease(IAVIStream* iface)
698 {
699 IAVIStreamImpl *This = (IAVIStreamImpl *)iface;
700
701 assert(This->paf != NULL);
702
703 return IAVIFile_Release((PAVIFILE)This->paf);
704 }
705
706 static HRESULT WINAPI IAVIStream_fnCreate(IAVIStream *iface, LPARAM lParam1,
707 LPARAM lParam2)
708 {
709 TRACE("(%p,0x%08lX,0x%08lX)\n", iface, lParam1, lParam2);
710
711 /* This IAVIStream interface needs an WAVFile */
712 return AVIERR_UNSUPPORTED;
713 }
714
715 static HRESULT WINAPI IAVIStream_fnInfo(IAVIStream *iface,LPAVISTREAMINFOW psi,
716 LONG size)
717 {
718 IAVIStreamImpl *This = (IAVIStreamImpl *)iface;
719
720 TRACE("(%p,%p,%ld)\n", iface, psi, size);
721
722 if (psi == NULL)
723 return AVIERR_BADPARAM;
724 if (size < 0)
725 return AVIERR_BADSIZE;
726
727 memcpy(psi, &This->paf->sInfo, min((DWORD)size, sizeof(This->paf->sInfo)));
728
729 if ((DWORD)size < sizeof(This->paf->sInfo))
730 return AVIERR_BUFFERTOOSMALL;
731 return AVIERR_OK;
732 }
733
734 static LONG WINAPI IAVIStream_fnFindSample(IAVIStream *iface, LONG pos,
735 LONG flags)
736 {
737 IAVIFileImpl *This = ((IAVIStreamImpl*)iface)->paf;
738
739 TRACE("(%p,%ld,0x%08lX)\n",iface,pos,flags);
740
741 /* Do we have data? */
742 if (This->lpFormat == NULL)
743 return -1;
744
745 /* We don't have an index */
746 if (flags & FIND_INDEX)
747 return -1;
748
749 if (flags & FIND_FROM_START) {
750 pos = This->sInfo.dwStart;
751 flags &= ~(FIND_FROM_START|FIND_PREV);
752 flags |= FIND_NEXT;
753 }
754
755 if (flags & FIND_FORMAT) {
756 if ((flags & FIND_NEXT) && pos > 0)
757 pos = -1;
758 else
759 pos = 0;
760 }
761
762 if ((flags & FIND_RET) == FIND_LENGTH ||
763 (flags & FIND_RET) == FIND_SIZE)
764 return This->sInfo.dwSampleSize;
765 if ((flags & FIND_RET) == FIND_OFFSET)
766 return This->ckData.dwDataOffset + pos * This->sInfo.dwSampleSize;
767
768 return pos;
769 }
770
771 static HRESULT WINAPI IAVIStream_fnReadFormat(IAVIStream *iface, LONG pos,
772 LPVOID format, LONG *formatsize)
773 {
774 IAVIStreamImpl *This = (IAVIStreamImpl *)iface;
775
776 TRACE("(%p,%ld,%p,%p)\n", iface, pos, format, formatsize);
777
778 if (formatsize == NULL)
779 return AVIERR_BADPARAM;
780
781 /* only interested in needed buffersize? */
782 if (format == NULL || *formatsize <= 0) {
783 *formatsize = This->paf->cbFormat;
784
785 return AVIERR_OK;
786 }
787
788 /* copy initial format (only as much as will fit) */
789 memcpy(format, This->paf->lpFormat, min(*formatsize, This->paf->cbFormat));
790 if (*formatsize < This->paf->cbFormat) {
791 *formatsize = This->paf->cbFormat;
792 return AVIERR_BUFFERTOOSMALL;
793 }
794
795 *formatsize = This->paf->cbFormat;
796 return AVIERR_OK;
797 }
798
799 static HRESULT WINAPI IAVIStream_fnSetFormat(IAVIStream *iface, LONG pos,
800 LPVOID format, LONG formatsize)
801 {
802 IAVIFileImpl *This = ((IAVIStreamImpl*)iface)->paf;
803
804 TRACE("(%p,%ld,%p,%ld)\n", iface, pos, format, formatsize);
805
806 /* check parameters */
807 if (format == NULL || formatsize <= sizeof(PCMWAVEFORMAT))
808 return AVIERR_BADPARAM;
809
810 /* We can only do this to an empty wave file, but ignore call
811 * if still same format */
812 if (This->lpFormat != NULL) {
813 if (formatsize != This->cbFormat ||
814 memcmp(format, This->lpFormat, formatsize) != 0)
815 return AVIERR_UNSUPPORTED;
816
817 return AVIERR_OK;
818 }
819
820 /* only support start at position 0 */
821 if (pos != 0)
822 return AVIERR_UNSUPPORTED;
823
824 /* Do we have write permission? */
825 if ((This->uMode & MMIO_RWMODE) == 0)
826 return AVIERR_READONLY;
827
828 /* get memory for format and copy it */
829 This->lpFormat = (LPWAVEFORMATEX)GlobalAllocPtr(GMEM_MOVEABLE, formatsize);
830 if (This->lpFormat == NULL)
831 return AVIERR_MEMORY;
832
833 This->cbFormat = formatsize;
834 memcpy(This->lpFormat, format, formatsize);
835
836 /* update info's about 'data' chunk */
837 This->ckData.dwDataOffset = formatsize + 7 * sizeof(DWORD);
838 This->ckData.cksize = 0;
839
840 /* for non-pcm format we need also a 'fact' chunk */
841 if (This->lpFormat->wFormatTag != WAVE_FORMAT_PCM)
842 This->ckData.dwDataOffset += 3 * sizeof(DWORD);
843
844 /* update stream and file info */
845 This->sInfo.dwSampleSize = This->lpFormat->nBlockAlign;
846 This->sInfo.dwScale = This->lpFormat->nBlockAlign;
847 This->sInfo.dwRate = This->lpFormat->nAvgBytesPerSec;
848 This->sInfo.dwLength = 0;
849 This->sInfo.dwSuggestedBufferSize = 0;
850
851 return AVIERR_OK;
852 }
853
854 static HRESULT WINAPI IAVIStream_fnRead(IAVIStream *iface, LONG start,
855 LONG samples, LPVOID buffer,
856 LONG buffersize, LPLONG bytesread,
857 LPLONG samplesread)
858 {
859 IAVIFileImpl *This = ((IAVIStreamImpl*)iface)->paf;
860
861 TRACE("(%p,%ld,%ld,%p,%ld,%p,%p)\n", iface, start, samples, buffer,
862 buffersize, bytesread, samplesread);
863
864 /* clear return parameters if given */
865 if (bytesread != NULL)
866 *bytesread = 0;
867 if (samplesread != NULL)
868 *samplesread = 0;
869
870 /* positions without data */
871 if (start < 0 || (DWORD)start > This->sInfo.dwLength)
872 return AVIERR_OK;
873
874 /* check samples */
875 if (samples < 0)
876 samples = 0;
877 if (buffersize > 0) {
878 if (samples > 0)
879 samples = min((DWORD)samples, buffersize / This->sInfo.dwSampleSize);
880 else
881 samples = buffersize / This->sInfo.dwSampleSize;
882 }
883
884 /* limit to end of stream */
885 if ((DWORD)(start + samples) > This->sInfo.dwLength)
886 samples = This->sInfo.dwLength - start;
887
888 /* request only the sizes? */
889 if (buffer == NULL || buffersize <= 0) {
890 /* then I need at least one parameter for it */
891 if (bytesread == NULL && samplesread == NULL)
892 return AVIERR_BADPARAM;
893
894 if (bytesread != NULL)
895 *bytesread = samples * This->sInfo.dwSampleSize;
896 if (samplesread != NULL)
897 *samplesread = samples;
898
899 return AVIERR_OK;
900 }
901
902 /* nothing to read? */
903 if (samples == 0)
904 return AVIERR_OK;
905
906 /* Can I read at least one sample? */
907 if ((DWORD)buffersize < This->sInfo.dwSampleSize)
908 return AVIERR_BUFFERTOOSMALL;
909
910 buffersize = samples * This->sInfo.dwSampleSize;
911
912 if (mmioSeek(This->hmmio, This->ckData.dwDataOffset
913 + start * This->sInfo.dwSampleSize, SEEK_SET) == -1)
914 return AVIERR_FILEREAD;
915 if (mmioRead(This->hmmio, (HPSTR)buffer, buffersize) != buffersize)
916 return AVIERR_FILEREAD;
917
918 /* fill out return parameters if given */
919 if (bytesread != NULL)
920 *bytesread = buffersize;
921 if (samplesread != NULL)
922 *samplesread = samples;
923
924 return AVIERR_OK;
925 }
926
927 static HRESULT WINAPI IAVIStream_fnWrite(IAVIStream *iface, LONG start,
928 LONG samples, LPVOID buffer,
929 LONG buffersize, DWORD flags,
930 LPLONG sampwritten,
931 LPLONG byteswritten)
932 {
933 IAVIFileImpl *This = ((IAVIStreamImpl*)iface)->paf;
934
935 TRACE("(%p,%ld,%ld,%p,%ld,0x%08lX,%p,%p)\n", iface, start, samples,
936 buffer, buffersize, flags, sampwritten, byteswritten);
937
938 /* clear return parameters if given */
939 if (sampwritten != NULL)
940 *sampwritten = 0;
941 if (byteswritten != NULL)
942 *byteswritten = 0;
943
944 /* check parameters */
945 if (buffer == NULL && (buffersize > 0 || samples > 0))
946 return AVIERR_BADPARAM;
947
948 /* Do we have write permission? */
949 if ((This->uMode & MMIO_RWMODE) == 0)
950 return AVIERR_READONLY;
951
952 /* < 0 means "append" */
953 if (start < 0)
954 start = This->sInfo.dwStart + This->sInfo.dwLength;
955
956 /* check buffersize -- must multiple of samplesize */
957 if (buffersize & ~(This->sInfo.dwSampleSize - 1))
958 return AVIERR_BADSIZE;
959
960 /* do we have anything to write? */
961 if (buffer != NULL && buffersize > 0) {
962 This->fDirty = 1;
963
964 if (mmioSeek(This->hmmio, This->ckData.dwDataOffset +
965 start * This->sInfo.dwSampleSize, SEEK_SET) == -1)
966 return AVIERR_FILEWRITE;
967 if (mmioWrite(This->hmmio, (HPSTR)buffer, buffersize) != buffersize)
968 return AVIERR_FILEWRITE;
969
970 This->sInfo.dwLength = max(This->sInfo.dwLength, (DWORD)start + samples);
971 This->ckData.cksize = max(This->ckData.cksize,
972 start * This->sInfo.dwSampleSize + buffersize);
973
974 /* fill out return parameters if given */
975 if (sampwritten != NULL)
976 *sampwritten = samples;
977 if (byteswritten != NULL)
978 *byteswritten = buffersize;
979 }
980
981 return AVIERR_OK;
982 }
983
984 static HRESULT WINAPI IAVIStream_fnDelete(IAVIStream *iface, LONG start,
985 LONG samples)
986 {
987 IAVIFileImpl *This = ((IAVIStreamImpl*)iface)->paf;
988
989 TRACE("(%p,%ld,%ld)\n", iface, start, samples);
990
991 /* check parameters */
992 if (start < 0 || samples < 0)
993 return AVIERR_BADPARAM;
994
995 /* Delete before start of stream? */
996 if ((DWORD)(start + samples) < This->sInfo.dwStart)
997 return AVIERR_OK;
998
999 /* Delete after end of stream? */
1000 if ((DWORD)start > This->sInfo.dwLength)
1001 return AVIERR_OK;
1002
1003 /* For the rest we need write permissions */
1004 if ((This->uMode & MMIO_RWMODE) == 0)
1005 return AVIERR_READONLY;
1006
1007 if ((DWORD)(start + samples) >= This->sInfo.dwLength) {
1008 /* deletion at end */
1009 samples = This->sInfo.dwLength - start;
1010 This->sInfo.dwLength -= samples;
1011 This->ckData.cksize -= samples * This->sInfo.dwSampleSize;
1012 } else if ((DWORD)start <= This->sInfo.dwStart) {
1013 /* deletion at start */
1014 samples = This->sInfo.dwStart - start;
1015 start = This->sInfo.dwStart;
1016 This->ckData.dwDataOffset += samples * This->sInfo.dwSampleSize;
1017 This->ckData.cksize -= samples * This->sInfo.dwSampleSize;
1018 } else {
1019 /* deletion inside stream -- needs playlist and cue's */
1020 FIXME(": deletion inside of stream not supported!\n");
1021
1022 return AVIERR_UNSUPPORTED;
1023 }
1024
1025 This->fDirty = 1;
1026
1027 return AVIERR_OK;
1028 }
1029
1030 static HRESULT WINAPI IAVIStream_fnReadData(IAVIStream *iface, DWORD fcc,
1031 LPVOID lp, LPLONG lpread)
1032 {
1033 IAVIStreamImpl *This = (IAVIStreamImpl *)iface;
1034
1035 assert(This->paf != NULL);
1036
1037 return IAVIFile_ReadData((PAVIFILE)This->paf, fcc, lp, lpread);
1038 }
1039
1040 static HRESULT WINAPI IAVIStream_fnWriteData(IAVIStream *iface, DWORD fcc,
1041 LPVOID lp, LONG size)
1042 {
1043 IAVIStreamImpl *This = (IAVIStreamImpl *)iface;
1044
1045 return IAVIFile_WriteData((PAVIFILE)This->paf, fcc, lp, size);
1046 }
1047
1048 static HRESULT WINAPI IAVIStream_fnSetInfo(IAVIStream *iface,
1049 LPAVISTREAMINFOW info, LONG infolen)
1050 {
1051 FIXME("(%p,%p,%ld): stub\n", iface, info, infolen);
1052
1053 return E_FAIL;
1054 }
1055
1056 /***********************************************************************/
1057
1058 static HRESULT AVIFILE_LoadFile(IAVIFileImpl *This)
1059 {
1060 MMCKINFO ckRIFF;
1061 MMCKINFO ck;
1062
1063 This->sInfo.dwLength = 0; /* just to be sure */
1064 This->fDirty = FALSE;
1065
1066 /* search for RIFF chunk */
1067 ckRIFF.fccType = 0; /* find any */
1068 if (mmioDescend(This->hmmio, &ckRIFF, NULL, MMIO_FINDRIFF) != S_OK) {
1069 return AVIFILE_LoadSunFile(This);
1070 }
1071
1072 if (ckRIFF.fccType != formtypeWAVE)
1073 return AVIERR_BADFORMAT;
1074
1075 /* search WAVE format chunk */
1076 ck.ckid = ckidWAVEFORMAT;
1077 if (FindChunkAndKeepExtras(&This->extra, This->hmmio, &ck,
1078 &ckRIFF, MMIO_FINDCHUNK) != S_OK)
1079 return AVIERR_FILEREAD;
1080
1081 /* get memory for format and read it */
1082 This->lpFormat = (LPWAVEFORMATEX)GlobalAllocPtr(GMEM_MOVEABLE, ck.cksize);
1083 if (This->lpFormat == NULL)
1084 return AVIERR_FILEREAD;
1085 This->cbFormat = ck.cksize;
1086
1087 if (mmioRead(This->hmmio, (HPSTR)This->lpFormat, ck.cksize) != ck.cksize)
1088 return AVIERR_FILEREAD;
1089 if (mmioAscend(This->hmmio, &ck, 0) != S_OK)
1090 return AVIERR_FILEREAD;
1091
1092 /* Non-pcm formats have a fact chunk.
1093 * We don't need it, so simply add it to the extra chunks.
1094 */
1095
1096 /* find the big data chunk */
1097 This->ckData.ckid = ckidWAVEDATA;
1098 if (FindChunkAndKeepExtras(&This->extra, This->hmmio, &This->ckData,
1099 &ckRIFF, MMIO_FINDCHUNK) != S_OK)
1100 return AVIERR_FILEREAD;
1101
1102 memset(&This->sInfo, 0, sizeof(This->sInfo));
1103 This->sInfo.fccType = streamtypeAUDIO;
1104 This->sInfo.dwRate = This->lpFormat->nAvgBytesPerSec;
1105 This->sInfo.dwSampleSize =
1106 This->sInfo.dwScale = This->lpFormat->nBlockAlign;
1107 This->sInfo.dwLength = This->ckData.cksize / This->lpFormat->nBlockAlign;
1108 This->sInfo.dwSuggestedBufferSize = This->ckData.cksize;
1109
1110 This->fInfo.dwStreams = 1;
1111
1112 if (mmioAscend(This->hmmio, &This->ckData, 0) != S_OK) {
1113 /* seems to be truncated */
1114 WARN(": file seems to be truncated!\n");
1115 This->ckData.cksize = mmioSeek(This->hmmio, 0, SEEK_END) -
1116 This->ckData.dwDataOffset;
1117 This->sInfo.dwLength = This->ckData.cksize / This->lpFormat->nBlockAlign;
1118 This->sInfo.dwSuggestedBufferSize = This->ckData.cksize;
1119 }
1120
1121 /* ignore errors */
1122 FindChunkAndKeepExtras(&This->extra, This->hmmio, &ck, &ckRIFF, 0);
1123
1124 return AVIERR_OK;
1125 }
1126
1127 static HRESULT AVIFILE_LoadSunFile(IAVIFileImpl *This)
1128 {
1129 SUNAUDIOHEADER auhdr;
1130
1131 mmioSeek(This->hmmio, 0, SEEK_SET);
1132 if (mmioRead(This->hmmio, (HPSTR)&auhdr, sizeof(auhdr)) != sizeof(auhdr))
1133 return AVIERR_FILEREAD;
1134
1135 if (auhdr.fccType == 0x0064732E) {
1136 /* header in little endian */
1137 This->ckData.dwDataOffset = LE2H_DWORD(auhdr.offset);
1138 This->ckData.cksize = LE2H_DWORD(auhdr.size);
1139
1140 auhdr.encoding = LE2H_DWORD(auhdr.encoding);
1141 auhdr.sampleRate = LE2H_DWORD(auhdr.sampleRate);
1142 auhdr.channels = LE2H_DWORD(auhdr.channels);
1143 } else if (auhdr.fccType == mmioFOURCC('.','s','n','d')) {
1144 /* header in big endian */
1145 This->ckData.dwDataOffset = BE2H_DWORD(auhdr.offset);
1146 This->ckData.cksize = BE2H_DWORD(auhdr.size);
1147
1148 auhdr.encoding = BE2H_DWORD(auhdr.encoding);
1149 auhdr.sampleRate = BE2H_DWORD(auhdr.sampleRate);
1150 auhdr.channels = BE2H_DWORD(auhdr.channels);
1151 } else
1152 return AVIERR_FILEREAD;
1153
1154 if (auhdr.channels < 1)
1155 return AVIERR_BADFORMAT;
1156
1157 /* get size of header */
1158 switch(auhdr.encoding) {
1159 case AU_ENCODING_ADPCM_G721_32:
1160 This->cbFormat = sizeof(G721_ADPCMWAVEFORMAT); break;
1161 case AU_ENCODING_ADPCM_G723_24:
1162 This->cbFormat = sizeof(G723_ADPCMWAVEFORMAT); break;
1163 case AU_ENCODING_ADPCM_G722:
1164 case AU_ENCODING_ADPCM_G723_5:
1165 WARN("unsupported Sun audio format %d\n", auhdr.encoding);
1166 return AVIERR_UNSUPPORTED; /* FIXME */
1167 default:
1168 This->cbFormat = sizeof(WAVEFORMATEX); break;
1169 };
1170
1171 This->lpFormat =
1172 (LPWAVEFORMATEX)GlobalAllocPtr(GMEM_MOVEABLE, This->cbFormat);
1173 if (This->lpFormat == NULL)
1174 return AVIERR_MEMORY;
1175
1176 This->lpFormat->nChannels = auhdr.channels;
1177 This->lpFormat->nSamplesPerSec = auhdr.sampleRate;
1178 switch(auhdr.encoding) {
1179 case AU_ENCODING_ULAW_8:
1180 This->lpFormat->wFormatTag = WAVE_FORMAT_MULAW;
1181 This->lpFormat->wBitsPerSample = 8;
1182 break;
1183 case AU_ENCODING_PCM_8:
1184 This->lpFormat->wFormatTag = WAVE_FORMAT_PCM;
1185 This->lpFormat->wBitsPerSample = 8;
1186 break;
1187 case AU_ENCODING_PCM_16:
1188 This->lpFormat->wFormatTag = WAVE_FORMAT_PCM;
1189 This->lpFormat->wBitsPerSample = 16;
1190 break;
1191 case AU_ENCODING_PCM_24:
1192 This->lpFormat->wFormatTag = WAVE_FORMAT_PCM;
1193 This->lpFormat->wBitsPerSample = 24;
1194 break;
1195 case AU_ENCODING_PCM_32:
1196 This->lpFormat->wFormatTag = WAVE_FORMAT_PCM;
1197 This->lpFormat->wBitsPerSample = 32;
1198 break;
1199 case AU_ENCODING_ALAW_8:
1200 This->lpFormat->wFormatTag = WAVE_FORMAT_ALAW;
1201 This->lpFormat->wBitsPerSample = 8;
1202 break;
1203 case AU_ENCODING_ADPCM_G721_32:
1204 This->lpFormat->wFormatTag = WAVE_FORMAT_G721_ADPCM;
1205 This->lpFormat->wBitsPerSample = (3*5*8);
1206 This->lpFormat->nBlockAlign = 15*15*8;
1207 This->lpFormat->cbSize = sizeof(WORD);
1208 ((LPG721_ADPCMWAVEFORMAT)This->lpFormat)->nAuxBlockSize = 0;
1209 break;
1210 case AU_ENCODING_ADPCM_G723_24:
1211 This->lpFormat->wFormatTag = WAVE_FORMAT_G723_ADPCM;
1212 This->lpFormat->wBitsPerSample = (3*5*8);
1213 This->lpFormat->nBlockAlign = 15*15*8;
1214 This->lpFormat->cbSize = 2*sizeof(WORD);
1215 ((LPG723_ADPCMWAVEFORMAT)This->lpFormat)->cbExtraSize = 0;
1216 ((LPG723_ADPCMWAVEFORMAT)This->lpFormat)->nAuxBlockSize = 0;
1217 break;
1218 default:
1219 WARN("unsupported Sun audio format %d\n", auhdr.encoding);
1220 return AVIERR_UNSUPPORTED;
1221 };
1222
1223 This->lpFormat->nBlockAlign =
1224 (This->lpFormat->nChannels * This->lpFormat->wBitsPerSample) / 8;
1225 if (This->lpFormat->nBlockAlign == 0 && This->lpFormat->wBitsPerSample < 8)
1226 This->lpFormat->nBlockAlign++;
1227 This->lpFormat->nAvgBytesPerSec =
1228 This->lpFormat->nBlockAlign * This->lpFormat->nSamplesPerSec;
1229
1230 This->fDirty = 0;
1231
1232 This->sInfo.fccType = streamtypeAUDIO;
1233 This->sInfo.fccHandler = 0;
1234 This->sInfo.dwFlags = 0;
1235 This->sInfo.wPriority = 0;
1236 This->sInfo.wLanguage = 0;
1237 This->sInfo.dwInitialFrames = 0;
1238 This->sInfo.dwScale = This->lpFormat->nBlockAlign;
1239 This->sInfo.dwRate = This->lpFormat->nAvgBytesPerSec;
1240 This->sInfo.dwStart = 0;
1241 This->sInfo.dwLength =
1242 This->ckData.cksize / This->lpFormat->nBlockAlign;
1243 This->sInfo.dwSuggestedBufferSize = This->sInfo.dwLength;
1244 This->sInfo.dwSampleSize = This->lpFormat->nBlockAlign;
1245
1246 This->fInfo.dwStreams = 1;
1247 This->fInfo.dwScale = 1;
1248 This->fInfo.dwRate = This->lpFormat->nSamplesPerSec;
1249 This->fInfo.dwLength =
1250 MulDiv(This->ckData.cksize, This->lpFormat->nSamplesPerSec,
1251 This->lpFormat->nAvgBytesPerSec);
1252
1253 return AVIERR_OK;
1254 }
1255
1256 static HRESULT AVIFILE_SaveFile(IAVIFileImpl *This)
1257 {
1258 MMCKINFO ckRIFF;
1259 MMCKINFO ck;
1260
1261 mmioSeek(This->hmmio, 0, SEEK_SET);
1262
1263 /* create the RIFF chunk with formtype WAVE */
1264 ckRIFF.fccType = formtypeWAVE;
1265 ckRIFF.cksize = 0;
1266 if (mmioCreateChunk(This->hmmio, &ckRIFF, MMIO_CREATERIFF) != S_OK)
1267 return AVIERR_FILEWRITE;
1268
1269 /* the next chunk is the format */
1270 ck.ckid = ckidWAVEFORMAT;
1271 ck.cksize = This->cbFormat;
1272 if (mmioCreateChunk(This->hmmio, &ck, 0) != S_OK)
1273 return AVIERR_FILEWRITE;
1274 if (This->lpFormat != NULL && This->cbFormat > 0) {
1275 if (mmioWrite(This->hmmio, (HPSTR)This->lpFormat, ck.cksize) != ck.cksize)
1276 return AVIERR_FILEWRITE;
1277 }
1278 if (mmioAscend(This->hmmio, &ck, 0) != S_OK)
1279 return AVIERR_FILEWRITE;
1280
1281 /* fact chunk is needed for non-pcm waveforms */
1282 if (This->lpFormat != NULL && This->cbFormat > sizeof(PCMWAVEFORMAT) &&
1283 This->lpFormat->wFormatTag != WAVE_FORMAT_PCM) {
1284 WAVEFORMATEX wfx;
1285 DWORD dwFactLength;
1286 HACMSTREAM has;
1287
1288 /* try to open an appropriate audio codec to figure out
1289 * data for fact-chunk */
1290 wfx.wFormatTag = WAVE_FORMAT_PCM;
1291 if (acmFormatSuggest(NULL, This->lpFormat, &wfx,
1292 sizeof(wfx), ACM_FORMATSUGGESTF_WFORMATTAG)) {
1293 acmStreamOpen(&has, NULL, This->lpFormat, &wfx, NULL,
1294 0, 0, ACM_STREAMOPENF_NONREALTIME);
1295 acmStreamSize(has, This->ckData.cksize, &dwFactLength,
1296 ACM_STREAMSIZEF_SOURCE);
1297 dwFactLength /= wfx.nBlockAlign;
1298 acmStreamClose(has, 0);
1299
1300 /* create the fact chunk */
1301 ck.ckid = ckidWAVEFACT;
1302 ck.cksize = sizeof(dwFactLength);
1303
1304 /* test for enough space before data chunk */
1305 if (mmioSeek(This->hmmio, 0, SEEK_CUR) > This->ckData.dwDataOffset
1306 - ck.cksize - 4 * sizeof(DWORD))
1307 return AVIERR_FILEWRITE;
1308 if (mmioCreateChunk(This->hmmio, &ck, 0) != S_OK)
1309 return AVIERR_FILEWRITE;
1310 if (mmioWrite(This->hmmio, (HPSTR)&dwFactLength, ck.cksize) != ck.cksize)
1311 return AVIERR_FILEWRITE;
1312 if (mmioAscend(This->hmmio, &ck, 0) != S_OK)
1313 return AVIERR_FILEWRITE;
1314 } else
1315 ERR(": fact chunk is needed for non-pcm files -- currently no codec found, so skipped!\n");
1316 }
1317
1318 /* if there was extra stuff, we need to fill it with JUNK */
1319 if (mmioSeek(This->hmmio, 0, SEEK_CUR) + 2 * sizeof(DWORD) < This->ckData.dwDataOffset) {
1320 ck.ckid = ckidAVIPADDING;
1321 ck.cksize = 0;
1322 if (mmioCreateChunk(This->hmmio, &ck, 0) != S_OK)
1323 return AVIERR_FILEWRITE;
1324
1325 if (mmioSeek(This->hmmio, This->ckData.dwDataOffset
1326 - 2 * sizeof(DWORD), SEEK_SET) == -1)
1327 return AVIERR_FILEWRITE;
1328 if (mmioAscend(This->hmmio, &ck, 0) != S_OK)
1329 return AVIERR_FILEWRITE;
1330 }
1331
1332 /* create the data chunk */
1333 ck.ckid = ckidWAVEDATA;
1334 ck.cksize = This->ckData.cksize;
1335 if (mmioCreateChunk(This->hmmio, &ck, 0) != S_OK)
1336 return AVIERR_FILEWRITE;
1337 if (mmioSeek(This->hmmio, This->ckData.cksize, SEEK_CUR) == -1)
1338 return AVIERR_FILEWRITE;
1339 if (mmioAscend(This->hmmio, &ck, 0) != S_OK)
1340 return AVIERR_FILEWRITE;
1341
1342 /* some optional extra chunks? */
1343 if (This->extra.lp != NULL && This->extra.cb > 0) {
1344 /* chunk headers are already in structure */
1345 if (mmioWrite(This->hmmio, This->extra.lp, This->extra.cb) != This->extra.cb)
1346 return AVIERR_FILEWRITE;
1347 }
1348
1349 /* close RIFF chunk */
1350 if (mmioAscend(This->hmmio, &ckRIFF, 0) != S_OK)
1351 return AVIERR_FILEWRITE;
1352 if (mmioFlush(This->hmmio, 0) != S_OK)
1353 return AVIERR_FILEWRITE;
1354
1355 return AVIERR_OK;
1356 }