2 * Copyright 2009 Vincent Povirk for CodeWeavers
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
20 #include "wine/port.h"
30 /* This is a hack, so jpeglib.h does not redefine INT32 and the like*/
32 #define UINT8 JPEG_UINT8
33 #define UINT16 JPEG_UINT16
34 #define boolean jpeg_boolean
38 #define HAVE_STDLIB_H 1
51 #include "wincodecs_private.h"
53 #include "wine/debug.h"
54 #include "wine/library.h"
56 WINE_DEFAULT_DEBUG_CHANNEL(wincodecs
);
60 static void *libjpeg_handle
;
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
);
72 static void *load_libjpeg(void)
74 if((libjpeg_handle
= wine_dlopen(SONAME_LIBJPEG
, RTLD_NOW
, NULL
, 0)) != NULL
) {
76 #define LOAD_FUNCPTR(f) \
77 if((p##f = wine_dlsym(libjpeg_handle, #f, NULL, 0)) == NULL) { \
78 libjpeg_handle = NULL; \
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
);
91 return libjpeg_handle
;
95 const IWICBitmapDecoderVtbl
*lpVtbl
;
96 const IWICBitmapFrameDecodeVtbl
*lpFrameVtbl
;
99 BOOL cinfo_initialized
;
101 struct jpeg_decompress_struct cinfo
;
102 struct jpeg_error_mgr jerr
;
103 struct jpeg_source_mgr source_mgr
;
104 BYTE source_buffer
[1024];
108 static inline JpegDecoder
*decoder_from_decompress(j_decompress_ptr decompress
)
110 return CONTAINING_RECORD(decompress
, JpegDecoder
, cinfo
);
113 static inline JpegDecoder
*decoder_from_frame(IWICBitmapFrameDecode
*iface
)
115 return CONTAINING_RECORD(iface
, JpegDecoder
, lpFrameVtbl
);
118 static HRESULT WINAPI
JpegDecoder_QueryInterface(IWICBitmapDecoder
*iface
, REFIID iid
,
121 JpegDecoder
*This
= (JpegDecoder
*)iface
;
122 TRACE("(%p,%s,%p)\n", iface
, debugstr_guid(iid
), ppv
);
124 if (!ppv
) return E_INVALIDARG
;
126 if (IsEqualIID(&IID_IUnknown
, iid
) || IsEqualIID(&IID_IWICBitmapDecoder
, iid
))
133 return E_NOINTERFACE
;
136 IUnknown_AddRef((IUnknown
*)*ppv
);
140 static ULONG WINAPI
JpegDecoder_AddRef(IWICBitmapDecoder
*iface
)
142 JpegDecoder
*This
= (JpegDecoder
*)iface
;
143 ULONG ref
= InterlockedIncrement(&This
->ref
);
145 TRACE("(%p) refcount=%u\n", iface
, ref
);
150 static ULONG WINAPI
JpegDecoder_Release(IWICBitmapDecoder
*iface
)
152 JpegDecoder
*This
= (JpegDecoder
*)iface
;
153 ULONG ref
= InterlockedDecrement(&This
->ref
);
155 TRACE("(%p) refcount=%u\n", iface
, ref
);
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
);
168 static HRESULT WINAPI
JpegDecoder_QueryCapability(IWICBitmapDecoder
*iface
, IStream
*pIStream
,
169 DWORD
*pdwCapability
)
171 FIXME("(%p,%p,%p): stub\n", iface
, pIStream
, pdwCapability
);
175 static void source_mgr_init_source(j_decompress_ptr cinfo
)
179 static jpeg_boolean
source_mgr_fill_input_buffer(j_decompress_ptr cinfo
)
181 JpegDecoder
*This
= decoder_from_decompress(cinfo
);
185 hr
= IStream_Read(This
->stream
, This
->source_buffer
, 1024, &bytesread
);
187 if (hr
!= S_OK
|| bytesread
== 0)
193 This
->source_mgr
.next_input_byte
= This
->source_buffer
;
194 This
->source_mgr
.bytes_in_buffer
= bytesread
;
199 static void source_mgr_skip_input_data(j_decompress_ptr cinfo
, long num_bytes
)
201 JpegDecoder
*This
= decoder_from_decompress(cinfo
);
204 if (num_bytes
> This
->source_mgr
.bytes_in_buffer
)
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;
210 else if (num_bytes
> 0)
212 This
->source_mgr
.next_input_byte
+= num_bytes
;
213 This
->source_mgr
.bytes_in_buffer
-= num_bytes
;
217 static void source_mgr_term_source(j_decompress_ptr cinfo
)
221 static HRESULT WINAPI
JpegDecoder_Initialize(IWICBitmapDecoder
*iface
, IStream
*pIStream
,
222 WICDecodeOptions cacheOptions
)
224 JpegDecoder
*This
= (JpegDecoder
*)iface
;
226 TRACE("(%p,%p,%u)\n", iface
, pIStream
, cacheOptions
);
228 if (This
->cinfo_initialized
) return WINCODEC_ERR_WRONGSTATE
;
230 This
->cinfo
.err
= pjpeg_std_error(&This
->jerr
);
232 pjpeg_CreateDecompress(&This
->cinfo
, JPEG_LIB_VERSION
, sizeof(struct jpeg_decompress_struct
));
234 This
->cinfo_initialized
= TRUE
;
236 This
->stream
= pIStream
;
237 IStream_AddRef(pIStream
);
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
;
246 This
->cinfo
.src
= &This
->source_mgr
;
248 ret
= pjpeg_read_header(&This
->cinfo
, TRUE
);
250 if (ret
!= JPEG_HEADER_OK
) {
251 WARN("Jpeg image in stream has bad format, read header returned %d.\n",ret
);
255 if (This
->cinfo
.jpeg_color_space
== JCS_GRAYSCALE
)
256 This
->cinfo
.out_color_space
= JCS_GRAYSCALE
;
258 This
->cinfo
.out_color_space
= JCS_RGB
;
260 if (!pjpeg_start_decompress(&This
->cinfo
))
262 ERR("jpeg_start_decompress failed\n");
266 This
->initialized
= TRUE
;
271 static HRESULT WINAPI
JpegDecoder_GetContainerFormat(IWICBitmapDecoder
*iface
,
272 GUID
*pguidContainerFormat
)
274 memcpy(pguidContainerFormat
, &GUID_ContainerFormatJpeg
, sizeof(GUID
));
278 static HRESULT WINAPI
JpegDecoder_GetDecoderInfo(IWICBitmapDecoder
*iface
,
279 IWICBitmapDecoderInfo
**ppIDecoderInfo
)
281 FIXME("(%p,%p): stub\n", iface
, ppIDecoderInfo
);
285 static HRESULT WINAPI
JpegDecoder_CopyPalette(IWICBitmapDecoder
*iface
,
286 IWICPalette
*pIPalette
)
288 TRACE("(%p,%p)\n", iface
, pIPalette
);
290 return WINCODEC_ERR_PALETTEUNAVAILABLE
;
293 static HRESULT WINAPI
JpegDecoder_GetMetadataQueryReader(IWICBitmapDecoder
*iface
,
294 IWICMetadataQueryReader
**ppIMetadataQueryReader
)
296 FIXME("(%p,%p): stub\n", iface
, ppIMetadataQueryReader
);
300 static HRESULT WINAPI
JpegDecoder_GetPreview(IWICBitmapDecoder
*iface
,
301 IWICBitmapSource
**ppIBitmapSource
)
303 FIXME("(%p,%p): stub\n", iface
, ppIBitmapSource
);
304 return WINCODEC_ERR_UNSUPPORTEDOPERATION
;
307 static HRESULT WINAPI
JpegDecoder_GetColorContexts(IWICBitmapDecoder
*iface
,
308 UINT cCount
, IWICColorContext
**ppIColorContexts
, UINT
*pcActualCount
)
310 FIXME("(%p,%u,%p,%p): stub\n", iface
, cCount
, ppIColorContexts
, pcActualCount
);
311 return WINCODEC_ERR_UNSUPPORTEDOPERATION
;
314 static HRESULT WINAPI
JpegDecoder_GetThumbnail(IWICBitmapDecoder
*iface
,
315 IWICBitmapSource
**ppIThumbnail
)
317 FIXME("(%p,%p): stub\n", iface
, ppIThumbnail
);
318 return WINCODEC_ERR_CODECNOTHUMBNAIL
;
321 static HRESULT WINAPI
JpegDecoder_GetFrameCount(IWICBitmapDecoder
*iface
,
328 static HRESULT WINAPI
JpegDecoder_GetFrame(IWICBitmapDecoder
*iface
,
329 UINT index
, IWICBitmapFrameDecode
**ppIBitmapFrame
)
331 JpegDecoder
*This
= (JpegDecoder
*)iface
;
332 TRACE("(%p,%u,%p)\n", iface
, index
, ppIBitmapFrame
);
334 if (!This
->initialized
) return WINCODEC_ERR_NOTINITIALIZED
;
336 if (index
!= 0) return E_INVALIDARG
;
338 IWICBitmapDecoder_AddRef(iface
);
339 *ppIBitmapFrame
= (IWICBitmapFrameDecode
*)&This
->lpFrameVtbl
;
344 static const IWICBitmapDecoderVtbl JpegDecoder_Vtbl
= {
345 JpegDecoder_QueryInterface
,
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
,
361 static HRESULT WINAPI
JpegDecoder_Frame_QueryInterface(IWICBitmapFrameDecode
*iface
, REFIID iid
,
364 TRACE("(%p,%s,%p)\n", iface
, debugstr_guid(iid
), ppv
);
366 if (!ppv
) return E_INVALIDARG
;
368 if (IsEqualIID(&IID_IUnknown
, iid
) ||
369 IsEqualIID(&IID_IWICBitmapSource
, iid
) ||
370 IsEqualIID(&IID_IWICBitmapFrameDecode
, iid
))
377 return E_NOINTERFACE
;
380 IUnknown_AddRef((IUnknown
*)*ppv
);
384 static ULONG WINAPI
JpegDecoder_Frame_AddRef(IWICBitmapFrameDecode
*iface
)
386 JpegDecoder
*This
= decoder_from_frame(iface
);
387 return IUnknown_AddRef((IUnknown
*)This
);
390 static ULONG WINAPI
JpegDecoder_Frame_Release(IWICBitmapFrameDecode
*iface
)
392 JpegDecoder
*This
= decoder_from_frame(iface
);
393 return IUnknown_Release((IUnknown
*)This
);
396 static HRESULT WINAPI
JpegDecoder_Frame_GetSize(IWICBitmapFrameDecode
*iface
,
397 UINT
*puiWidth
, UINT
*puiHeight
)
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
);
406 static HRESULT WINAPI
JpegDecoder_Frame_GetPixelFormat(IWICBitmapFrameDecode
*iface
,
407 WICPixelFormatGUID
*pPixelFormat
)
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
));
418 static HRESULT WINAPI
JpegDecoder_Frame_GetResolution(IWICBitmapFrameDecode
*iface
,
419 double *pDpiX
, double *pDpiY
)
421 FIXME("(%p,%p,%p): stub\n", iface
, pDpiX
, pDpiY
);
425 static HRESULT WINAPI
JpegDecoder_Frame_CopyPalette(IWICBitmapFrameDecode
*iface
,
426 IWICPalette
*pIPalette
)
428 FIXME("(%p,%p): stub\n", iface
, pIPalette
);
432 static HRESULT WINAPI
JpegDecoder_Frame_CopyPixels(IWICBitmapFrameDecode
*iface
,
433 const WICRect
*prc
, UINT cbStride
, UINT cbBufferSize
, BYTE
*pbBuffer
)
435 JpegDecoder
*This
= decoder_from_frame(iface
);
440 TRACE("(%p,%p,%u,%u,%p)\n", iface
, prc
, cbStride
, cbBufferSize
, pbBuffer
);
442 if (This
->cinfo
.out_color_space
== JCS_GRAYSCALE
) bpp
= 8;
445 stride
= bpp
* This
->cinfo
.output_width
;
446 data_size
= stride
* This
->cinfo
.output_height
;
448 max_row_needed
= prc
->Y
+ prc
->Height
;
449 if (max_row_needed
> This
->cinfo
.output_height
) return E_INVALIDARG
;
451 if (!This
->image_data
)
453 This
->image_data
= HeapAlloc(GetProcessHeap(), 0, data_size
);
454 if (!This
->image_data
) return E_OUTOFMEMORY
;
457 while (max_row_needed
> This
->cinfo
.output_scanline
)
459 UINT first_scanline
= This
->cinfo
.output_scanline
;
461 JSAMPROW out_rows
[4];
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
);
469 ret
= pjpeg_read_scanlines(&This
->cinfo
, out_rows
, max_rows
);
473 ERR("read_scanlines failed\n");
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
++)
482 BYTE
*pixel
= This
->image_data
+ stride
* i
;
483 for (j
=0; j
<This
->cinfo
.output_width
; j
++)
495 return copy_pixels(bpp
, This
->image_data
,
496 This
->cinfo
.output_width
, This
->cinfo
.output_height
, stride
,
497 prc
, cbStride
, cbBufferSize
, pbBuffer
);
500 static HRESULT WINAPI
JpegDecoder_Frame_GetMetadataQueryReader(IWICBitmapFrameDecode
*iface
,
501 IWICMetadataQueryReader
**ppIMetadataQueryReader
)
503 FIXME("(%p,%p): stub\n", iface
, ppIMetadataQueryReader
);
504 return WINCODEC_ERR_UNSUPPORTEDOPERATION
;
507 static HRESULT WINAPI
JpegDecoder_Frame_GetColorContexts(IWICBitmapFrameDecode
*iface
,
508 UINT cCount
, IWICColorContext
**ppIColorContexts
, UINT
*pcActualCount
)
510 FIXME("(%p,%u,%p,%p): stub\n", iface
, cCount
, ppIColorContexts
, pcActualCount
);
511 return WINCODEC_ERR_UNSUPPORTEDOPERATION
;
514 static HRESULT WINAPI
JpegDecoder_Frame_GetThumbnail(IWICBitmapFrameDecode
*iface
,
515 IWICBitmapSource
**ppIThumbnail
)
517 FIXME("(%p,%p): stub\n", iface
, ppIThumbnail
);
518 return WINCODEC_ERR_CODECNOTHUMBNAIL
;
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
535 HRESULT
JpegDecoder_CreateInstance(IUnknown
*pUnkOuter
, REFIID iid
, void** ppv
)
540 TRACE("(%p,%s,%p)\n", pUnkOuter
, debugstr_guid(iid
), ppv
);
542 if (!libjpeg_handle
&& !load_libjpeg())
544 ERR("Failed reading JPEG because unable to find %s\n", SONAME_LIBJPEG
);
550 if (pUnkOuter
) return CLASS_E_NOAGGREGATION
;
552 This
= HeapAlloc(GetProcessHeap(), 0, sizeof(JpegDecoder
));
553 if (!This
) return E_OUTOFMEMORY
;
555 This
->lpVtbl
= &JpegDecoder_Vtbl
;
556 This
->lpFrameVtbl
= &JpegDecoder_Frame_Vtbl
;
558 This
->initialized
= FALSE
;
559 This
->cinfo_initialized
= FALSE
;
561 This
->image_data
= NULL
;
563 ret
= IUnknown_QueryInterface((IUnknown
*)This
, iid
, ppv
);
564 IUnknown_Release((IUnknown
*)This
);
569 #else /* !defined(SONAME_LIBJPEG) */
571 HRESULT
JpegDecoder_CreateInstance(IUnknown
*pUnkOuter
, REFIID iid
, void** ppv
)
573 ERR("Trying to load JPEG picture, but JPEG supported not compiled in.\n");