d3d: Make sure vertexbuffer lock doesn't return a NULL pointer.
[wine] / dlls / windowscodecs / jpegformat.c
1 /*
2  * Copyright 2009 Vincent Povirk for CodeWeavers
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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
17  */
18
19 #include "config.h"
20 #include "wine/port.h"
21
22 #ifdef HAVE_UNISTD_H
23 # include <unistd.h>
24 #endif
25 #include <stdarg.h>
26 #include <stdio.h>
27 #include <string.h>
28
29 #ifdef SONAME_LIBJPEG
30 /* This is a hack, so jpeglib.h does not redefine INT32 and the like*/
31 #define XMD_H
32 #define UINT8 JPEG_UINT8
33 #define UINT16 JPEG_UINT16
34 #define boolean jpeg_boolean
35 #undef HAVE_STDLIB_H
36 # include <jpeglib.h>
37 #undef HAVE_STDLIB_H
38 #define HAVE_STDLIB_H 1
39 #undef UINT8
40 #undef UINT16
41 #undef boolean
42 #endif
43
44 #define COBJMACROS
45
46 #include "windef.h"
47 #include "winbase.h"
48 #include "objbase.h"
49 #include "wincodec.h"
50
51 #include "wincodecs_private.h"
52
53 #include "wine/debug.h"
54 #include "wine/library.h"
55
56 WINE_DEFAULT_DEBUG_CHANNEL(wincodecs);
57
58 #ifdef SONAME_LIBJPEG
59
60 static void *libjpeg_handle;
61
62 #define MAKE_FUNCPTR(f) static typeof(f) * p##f
63 MAKE_FUNCPTR(jpeg_CreateDecompress);
64 MAKE_FUNCPTR(jpeg_destroy_decompress);
65 MAKE_FUNCPTR(jpeg_read_header);
66 MAKE_FUNCPTR(jpeg_read_scanlines);
67 MAKE_FUNCPTR(jpeg_resync_to_restart);
68 MAKE_FUNCPTR(jpeg_start_decompress);
69 MAKE_FUNCPTR(jpeg_std_error);
70 #undef MAKE_FUNCPTR
71
72 static void *load_libjpeg(void)
73 {
74     if((libjpeg_handle = wine_dlopen(SONAME_LIBJPEG, RTLD_NOW, NULL, 0)) != NULL) {
75
76 #define LOAD_FUNCPTR(f) \
77     if((p##f = wine_dlsym(libjpeg_handle, #f, NULL, 0)) == NULL) { \
78         libjpeg_handle = NULL; \
79         return NULL; \
80     }
81
82         LOAD_FUNCPTR(jpeg_CreateDecompress);
83         LOAD_FUNCPTR(jpeg_destroy_decompress);
84         LOAD_FUNCPTR(jpeg_read_header);
85         LOAD_FUNCPTR(jpeg_read_scanlines);
86         LOAD_FUNCPTR(jpeg_resync_to_restart);
87         LOAD_FUNCPTR(jpeg_start_decompress);
88         LOAD_FUNCPTR(jpeg_std_error);
89 #undef LOAD_FUNCPTR
90     }
91     return libjpeg_handle;
92 }
93
94 typedef struct {
95     const IWICBitmapDecoderVtbl *lpVtbl;
96     const IWICBitmapFrameDecodeVtbl *lpFrameVtbl;
97     LONG ref;
98     BOOL initialized;
99     BOOL cinfo_initialized;
100     IStream *stream;
101     struct jpeg_decompress_struct cinfo;
102     struct jpeg_error_mgr jerr;
103     struct jpeg_source_mgr source_mgr;
104     BYTE source_buffer[1024];
105     BYTE *image_data;
106 } JpegDecoder;
107
108 static inline JpegDecoder *decoder_from_decompress(j_decompress_ptr decompress)
109 {
110     return CONTAINING_RECORD(decompress, JpegDecoder, cinfo);
111 }
112
113 static inline JpegDecoder *decoder_from_frame(IWICBitmapFrameDecode *iface)
114 {
115     return CONTAINING_RECORD(iface, JpegDecoder, lpFrameVtbl);
116 }
117
118 static HRESULT WINAPI JpegDecoder_QueryInterface(IWICBitmapDecoder *iface, REFIID iid,
119     void **ppv)
120 {
121     JpegDecoder *This = (JpegDecoder*)iface;
122     TRACE("(%p,%s,%p)\n", iface, debugstr_guid(iid), ppv);
123
124     if (!ppv) return E_INVALIDARG;
125
126     if (IsEqualIID(&IID_IUnknown, iid) || IsEqualIID(&IID_IWICBitmapDecoder, iid))
127     {
128         *ppv = This;
129     }
130     else
131     {
132         *ppv = NULL;
133         return E_NOINTERFACE;
134     }
135
136     IUnknown_AddRef((IUnknown*)*ppv);
137     return S_OK;
138 }
139
140 static ULONG WINAPI JpegDecoder_AddRef(IWICBitmapDecoder *iface)
141 {
142     JpegDecoder *This = (JpegDecoder*)iface;
143     ULONG ref = InterlockedIncrement(&This->ref);
144
145     TRACE("(%p) refcount=%u\n", iface, ref);
146
147     return ref;
148 }
149
150 static ULONG WINAPI JpegDecoder_Release(IWICBitmapDecoder *iface)
151 {
152     JpegDecoder *This = (JpegDecoder*)iface;
153     ULONG ref = InterlockedDecrement(&This->ref);
154
155     TRACE("(%p) refcount=%u\n", iface, ref);
156
157     if (ref == 0)
158     {
159         if (This->cinfo_initialized) pjpeg_destroy_decompress(&This->cinfo);
160         if (This->stream) IStream_Release(This->stream);
161         HeapFree(GetProcessHeap(), 0, This->image_data);
162         HeapFree(GetProcessHeap(), 0, This);
163     }
164
165     return ref;
166 }
167
168 static HRESULT WINAPI JpegDecoder_QueryCapability(IWICBitmapDecoder *iface, IStream *pIStream,
169     DWORD *pdwCapability)
170 {
171     FIXME("(%p,%p,%p): stub\n", iface, pIStream, pdwCapability);
172     return E_NOTIMPL;
173 }
174
175 static void source_mgr_init_source(j_decompress_ptr cinfo)
176 {
177 }
178
179 static jpeg_boolean source_mgr_fill_input_buffer(j_decompress_ptr cinfo)
180 {
181     JpegDecoder *This = decoder_from_decompress(cinfo);
182     HRESULT hr;
183     ULONG bytesread;
184
185     hr = IStream_Read(This->stream, This->source_buffer, 1024, &bytesread);
186
187     if (hr != S_OK || bytesread == 0)
188     {
189         return FALSE;
190     }
191     else
192     {
193         This->source_mgr.next_input_byte = This->source_buffer;
194         This->source_mgr.bytes_in_buffer = bytesread;
195         return TRUE;
196     }
197 }
198
199 static void source_mgr_skip_input_data(j_decompress_ptr cinfo, long num_bytes)
200 {
201     JpegDecoder *This = decoder_from_decompress(cinfo);
202     LARGE_INTEGER seek;
203
204     if (num_bytes > This->source_mgr.bytes_in_buffer)
205     {
206         seek.QuadPart = num_bytes - This->source_mgr.bytes_in_buffer;
207         IStream_Seek(This->stream, seek, STREAM_SEEK_CUR, NULL);
208         This->source_mgr.bytes_in_buffer = 0;
209     }
210     else if (num_bytes > 0)
211     {
212         This->source_mgr.next_input_byte += num_bytes;
213         This->source_mgr.bytes_in_buffer -= num_bytes;
214     }
215 }
216
217 static void source_mgr_term_source(j_decompress_ptr cinfo)
218 {
219 }
220
221 static HRESULT WINAPI JpegDecoder_Initialize(IWICBitmapDecoder *iface, IStream *pIStream,
222     WICDecodeOptions cacheOptions)
223 {
224     JpegDecoder *This = (JpegDecoder*)iface;
225     int ret;
226     TRACE("(%p,%p,%u)\n", iface, pIStream, cacheOptions);
227
228     if (This->cinfo_initialized) return WINCODEC_ERR_WRONGSTATE;
229
230     This->cinfo.err = pjpeg_std_error(&This->jerr);
231
232     pjpeg_CreateDecompress(&This->cinfo, JPEG_LIB_VERSION, sizeof(struct jpeg_decompress_struct));
233
234     This->cinfo_initialized = TRUE;
235
236     This->stream = pIStream;
237     IStream_AddRef(pIStream);
238
239     This->source_mgr.bytes_in_buffer = 0;
240     This->source_mgr.init_source = source_mgr_init_source;
241     This->source_mgr.fill_input_buffer = source_mgr_fill_input_buffer;
242     This->source_mgr.skip_input_data = source_mgr_skip_input_data;
243     This->source_mgr.resync_to_restart = pjpeg_resync_to_restart;
244     This->source_mgr.term_source = source_mgr_term_source;
245
246     This->cinfo.src = &This->source_mgr;
247
248     ret = pjpeg_read_header(&This->cinfo, TRUE);
249
250     if (ret != JPEG_HEADER_OK) {
251         WARN("Jpeg image in stream has bad format, read header returned %d.\n",ret);
252         return E_FAIL;
253     }
254
255     if (This->cinfo.jpeg_color_space == JCS_GRAYSCALE)
256         This->cinfo.out_color_space = JCS_GRAYSCALE;
257     else
258         This->cinfo.out_color_space = JCS_RGB;
259
260     if (!pjpeg_start_decompress(&This->cinfo))
261     {
262         ERR("jpeg_start_decompress failed\n");
263         return E_FAIL;
264     }
265
266     This->initialized = TRUE;
267
268     return S_OK;
269 }
270
271 static HRESULT WINAPI JpegDecoder_GetContainerFormat(IWICBitmapDecoder *iface,
272     GUID *pguidContainerFormat)
273 {
274     memcpy(pguidContainerFormat, &GUID_ContainerFormatJpeg, sizeof(GUID));
275     return S_OK;
276 }
277
278 static HRESULT WINAPI JpegDecoder_GetDecoderInfo(IWICBitmapDecoder *iface,
279     IWICBitmapDecoderInfo **ppIDecoderInfo)
280 {
281     FIXME("(%p,%p): stub\n", iface, ppIDecoderInfo);
282     return E_NOTIMPL;
283 }
284
285 static HRESULT WINAPI JpegDecoder_CopyPalette(IWICBitmapDecoder *iface,
286     IWICPalette *pIPalette)
287 {
288     TRACE("(%p,%p)\n", iface, pIPalette);
289
290     return WINCODEC_ERR_PALETTEUNAVAILABLE;
291 }
292
293 static HRESULT WINAPI JpegDecoder_GetMetadataQueryReader(IWICBitmapDecoder *iface,
294     IWICMetadataQueryReader **ppIMetadataQueryReader)
295 {
296     FIXME("(%p,%p): stub\n", iface, ppIMetadataQueryReader);
297     return E_NOTIMPL;
298 }
299
300 static HRESULT WINAPI JpegDecoder_GetPreview(IWICBitmapDecoder *iface,
301     IWICBitmapSource **ppIBitmapSource)
302 {
303     FIXME("(%p,%p): stub\n", iface, ppIBitmapSource);
304     return WINCODEC_ERR_UNSUPPORTEDOPERATION;
305 }
306
307 static HRESULT WINAPI JpegDecoder_GetColorContexts(IWICBitmapDecoder *iface,
308     UINT cCount, IWICColorContext **ppIColorContexts, UINT *pcActualCount)
309 {
310     FIXME("(%p,%u,%p,%p): stub\n", iface, cCount, ppIColorContexts, pcActualCount);
311     return WINCODEC_ERR_UNSUPPORTEDOPERATION;
312 }
313
314 static HRESULT WINAPI JpegDecoder_GetThumbnail(IWICBitmapDecoder *iface,
315     IWICBitmapSource **ppIThumbnail)
316 {
317     FIXME("(%p,%p): stub\n", iface, ppIThumbnail);
318     return WINCODEC_ERR_CODECNOTHUMBNAIL;
319 }
320
321 static HRESULT WINAPI JpegDecoder_GetFrameCount(IWICBitmapDecoder *iface,
322     UINT *pCount)
323 {
324     *pCount = 1;
325     return S_OK;
326 }
327
328 static HRESULT WINAPI JpegDecoder_GetFrame(IWICBitmapDecoder *iface,
329     UINT index, IWICBitmapFrameDecode **ppIBitmapFrame)
330 {
331     JpegDecoder *This = (JpegDecoder*)iface;
332     TRACE("(%p,%u,%p)\n", iface, index, ppIBitmapFrame);
333
334     if (!This->initialized) return WINCODEC_ERR_NOTINITIALIZED;
335
336     if (index != 0) return E_INVALIDARG;
337
338     IWICBitmapDecoder_AddRef(iface);
339     *ppIBitmapFrame = (IWICBitmapFrameDecode*)&This->lpFrameVtbl;
340
341     return S_OK;
342 }
343
344 static const IWICBitmapDecoderVtbl JpegDecoder_Vtbl = {
345     JpegDecoder_QueryInterface,
346     JpegDecoder_AddRef,
347     JpegDecoder_Release,
348     JpegDecoder_QueryCapability,
349     JpegDecoder_Initialize,
350     JpegDecoder_GetContainerFormat,
351     JpegDecoder_GetDecoderInfo,
352     JpegDecoder_CopyPalette,
353     JpegDecoder_GetMetadataQueryReader,
354     JpegDecoder_GetPreview,
355     JpegDecoder_GetColorContexts,
356     JpegDecoder_GetThumbnail,
357     JpegDecoder_GetFrameCount,
358     JpegDecoder_GetFrame
359 };
360
361 static HRESULT WINAPI JpegDecoder_Frame_QueryInterface(IWICBitmapFrameDecode *iface, REFIID iid,
362     void **ppv)
363 {
364     TRACE("(%p,%s,%p)\n", iface, debugstr_guid(iid), ppv);
365
366     if (!ppv) return E_INVALIDARG;
367
368     if (IsEqualIID(&IID_IUnknown, iid) ||
369         IsEqualIID(&IID_IWICBitmapSource, iid) ||
370         IsEqualIID(&IID_IWICBitmapFrameDecode, iid))
371     {
372         *ppv = iface;
373     }
374     else
375     {
376         *ppv = NULL;
377         return E_NOINTERFACE;
378     }
379
380     IUnknown_AddRef((IUnknown*)*ppv);
381     return S_OK;
382 }
383
384 static ULONG WINAPI JpegDecoder_Frame_AddRef(IWICBitmapFrameDecode *iface)
385 {
386     JpegDecoder *This = decoder_from_frame(iface);
387     return IUnknown_AddRef((IUnknown*)This);
388 }
389
390 static ULONG WINAPI JpegDecoder_Frame_Release(IWICBitmapFrameDecode *iface)
391 {
392     JpegDecoder *This = decoder_from_frame(iface);
393     return IUnknown_Release((IUnknown*)This);
394 }
395
396 static HRESULT WINAPI JpegDecoder_Frame_GetSize(IWICBitmapFrameDecode *iface,
397     UINT *puiWidth, UINT *puiHeight)
398 {
399     JpegDecoder *This = decoder_from_frame(iface);
400     *puiWidth = This->cinfo.output_width;
401     *puiHeight = This->cinfo.output_height;
402     TRACE("(%p)->(%u,%u)\n", iface, *puiWidth, *puiHeight);
403     return S_OK;
404 }
405
406 static HRESULT WINAPI JpegDecoder_Frame_GetPixelFormat(IWICBitmapFrameDecode *iface,
407     WICPixelFormatGUID *pPixelFormat)
408 {
409     JpegDecoder *This = decoder_from_frame(iface);
410     TRACE("(%p,%p)\n", iface, pPixelFormat);
411     if (This->cinfo.out_color_space == JCS_RGB)
412         memcpy(pPixelFormat, &GUID_WICPixelFormat24bppBGR, sizeof(GUID));
413     else /* This->cinfo.out_color_space == JCS_GRAYSCALE */
414         memcpy(pPixelFormat, &GUID_WICPixelFormat8bppGray, sizeof(GUID));
415     return S_OK;
416 }
417
418 static HRESULT WINAPI JpegDecoder_Frame_GetResolution(IWICBitmapFrameDecode *iface,
419     double *pDpiX, double *pDpiY)
420 {
421     FIXME("(%p,%p,%p): stub\n", iface, pDpiX, pDpiY);
422     return E_NOTIMPL;
423 }
424
425 static HRESULT WINAPI JpegDecoder_Frame_CopyPalette(IWICBitmapFrameDecode *iface,
426     IWICPalette *pIPalette)
427 {
428     FIXME("(%p,%p): stub\n", iface, pIPalette);
429     return E_NOTIMPL;
430 }
431
432 static HRESULT WINAPI JpegDecoder_Frame_CopyPixels(IWICBitmapFrameDecode *iface,
433     const WICRect *prc, UINT cbStride, UINT cbBufferSize, BYTE *pbBuffer)
434 {
435     JpegDecoder *This = decoder_from_frame(iface);
436     UINT bpp;
437     UINT stride;
438     UINT data_size;
439     UINT max_row_needed;
440     TRACE("(%p,%p,%u,%u,%p)\n", iface, prc, cbStride, cbBufferSize, pbBuffer);
441
442     if (This->cinfo.out_color_space == JCS_GRAYSCALE) bpp = 8;
443     else bpp = 24;
444
445     stride = bpp * This->cinfo.output_width;
446     data_size = stride * This->cinfo.output_height;
447
448     max_row_needed = prc->Y + prc->Height;
449     if (max_row_needed > This->cinfo.output_height) return E_INVALIDARG;
450
451     if (!This->image_data)
452     {
453         This->image_data = HeapAlloc(GetProcessHeap(), 0, data_size);
454         if (!This->image_data) return E_OUTOFMEMORY;
455     }
456
457     while (max_row_needed > This->cinfo.output_scanline)
458     {
459         UINT first_scanline = This->cinfo.output_scanline;
460         UINT max_rows;
461         JSAMPROW out_rows[4];
462         UINT i, j;
463         JDIMENSION ret;
464
465         max_rows = min(This->cinfo.output_height-first_scanline, 4);
466         for (i=0; i<max_rows; i++)
467             out_rows[i] = This->image_data + stride * (first_scanline+i);
468
469         ret = pjpeg_read_scanlines(&This->cinfo, out_rows, max_rows);
470
471         if (ret == 0)
472         {
473             ERR("read_scanlines failed\n");
474             return E_FAIL;
475         }
476
477         if (bpp == 24)
478         {
479             /* libjpeg gives us RGB data and we want BGR, so byteswap the data */
480             for (i=first_scanline; i<This->cinfo.output_scanline; i++)
481             {
482                 BYTE *pixel = This->image_data + stride * i;
483                 for (j=0; j<This->cinfo.output_width; j++)
484                 {
485                     BYTE red=pixel[0];
486                     BYTE blue=pixel[2];
487                     pixel[0]=blue;
488                     pixel[2]=red;
489                     pixel+=3;
490                 }
491             }
492         }
493     }
494
495     return copy_pixels(bpp, This->image_data,
496         This->cinfo.output_width, This->cinfo.output_height, stride,
497         prc, cbStride, cbBufferSize, pbBuffer);
498 }
499
500 static HRESULT WINAPI JpegDecoder_Frame_GetMetadataQueryReader(IWICBitmapFrameDecode *iface,
501     IWICMetadataQueryReader **ppIMetadataQueryReader)
502 {
503     FIXME("(%p,%p): stub\n", iface, ppIMetadataQueryReader);
504     return WINCODEC_ERR_UNSUPPORTEDOPERATION;
505 }
506
507 static HRESULT WINAPI JpegDecoder_Frame_GetColorContexts(IWICBitmapFrameDecode *iface,
508     UINT cCount, IWICColorContext **ppIColorContexts, UINT *pcActualCount)
509 {
510     FIXME("(%p,%u,%p,%p): stub\n", iface, cCount, ppIColorContexts, pcActualCount);
511     return WINCODEC_ERR_UNSUPPORTEDOPERATION;
512 }
513
514 static HRESULT WINAPI JpegDecoder_Frame_GetThumbnail(IWICBitmapFrameDecode *iface,
515     IWICBitmapSource **ppIThumbnail)
516 {
517     FIXME("(%p,%p): stub\n", iface, ppIThumbnail);
518     return WINCODEC_ERR_CODECNOTHUMBNAIL;
519 }
520
521 static const IWICBitmapFrameDecodeVtbl JpegDecoder_Frame_Vtbl = {
522     JpegDecoder_Frame_QueryInterface,
523     JpegDecoder_Frame_AddRef,
524     JpegDecoder_Frame_Release,
525     JpegDecoder_Frame_GetSize,
526     JpegDecoder_Frame_GetPixelFormat,
527     JpegDecoder_Frame_GetResolution,
528     JpegDecoder_Frame_CopyPalette,
529     JpegDecoder_Frame_CopyPixels,
530     JpegDecoder_Frame_GetMetadataQueryReader,
531     JpegDecoder_Frame_GetColorContexts,
532     JpegDecoder_Frame_GetThumbnail
533 };
534
535 HRESULT JpegDecoder_CreateInstance(IUnknown *pUnkOuter, REFIID iid, void** ppv)
536 {
537     JpegDecoder *This;
538     HRESULT ret;
539
540     TRACE("(%p,%s,%p)\n", pUnkOuter, debugstr_guid(iid), ppv);
541
542     if (!libjpeg_handle && !load_libjpeg())
543     {
544         ERR("Failed reading JPEG because unable to find %s\n", SONAME_LIBJPEG);
545         return E_FAIL;
546     }
547
548     *ppv = NULL;
549
550     if (pUnkOuter) return CLASS_E_NOAGGREGATION;
551
552     This = HeapAlloc(GetProcessHeap(), 0, sizeof(JpegDecoder));
553     if (!This) return E_OUTOFMEMORY;
554
555     This->lpVtbl = &JpegDecoder_Vtbl;
556     This->lpFrameVtbl = &JpegDecoder_Frame_Vtbl;
557     This->ref = 1;
558     This->initialized = FALSE;
559     This->cinfo_initialized = FALSE;
560     This->stream = NULL;
561     This->image_data = NULL;
562
563     ret = IUnknown_QueryInterface((IUnknown*)This, iid, ppv);
564     IUnknown_Release((IUnknown*)This);
565
566     return ret;
567 }
568
569 #else /* !defined(SONAME_LIBJPEG) */
570
571 HRESULT JpegDecoder_CreateInstance(IUnknown *pUnkOuter, REFIID iid, void** ppv)
572 {
573     ERR("Trying to load JPEG picture, but JPEG supported not compiled in.\n");
574     return E_FAIL;
575 }
576
577 #endif