Sweden-Number/dlls/windowscodecs/jpegformat.c

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/*
* Copyright 2009 Vincent Povirk for CodeWeavers
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
*/
#include "config.h"
#include "wine/port.h"
#ifdef HAVE_UNISTD_H
# include <unistd.h>
#endif
#include <stdarg.h>
#include <stdio.h>
#include <string.h>
#ifdef SONAME_LIBJPEG
/* This is a hack, so jpeglib.h does not redefine INT32 and the like*/
#define XMD_H
#define UINT8 JPEG_UINT8
#define UINT16 JPEG_UINT16
#define boolean jpeg_boolean
#undef HAVE_STDLIB_H
# include <jpeglib.h>
#undef HAVE_STDLIB_H
#define HAVE_STDLIB_H 1
#undef UINT8
#undef UINT16
#undef boolean
#endif
#define COBJMACROS
#include "windef.h"
#include "winbase.h"
#include "objbase.h"
#include "wincodec.h"
#include "wincodecs_private.h"
#include "wine/debug.h"
#include "wine/library.h"
WINE_DEFAULT_DEBUG_CHANNEL(wincodecs);
#ifdef SONAME_LIBJPEG
static void *libjpeg_handle;
#define MAKE_FUNCPTR(f) static typeof(f) * p##f
MAKE_FUNCPTR(jpeg_CreateDecompress);
MAKE_FUNCPTR(jpeg_destroy_decompress);
MAKE_FUNCPTR(jpeg_read_header);
MAKE_FUNCPTR(jpeg_read_scanlines);
MAKE_FUNCPTR(jpeg_resync_to_restart);
MAKE_FUNCPTR(jpeg_start_decompress);
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MAKE_FUNCPTR(jpeg_std_error);
#undef MAKE_FUNCPTR
static void *load_libjpeg(void)
{
if((libjpeg_handle = wine_dlopen(SONAME_LIBJPEG, RTLD_NOW, NULL, 0)) != NULL) {
#define LOAD_FUNCPTR(f) \
if((p##f = wine_dlsym(libjpeg_handle, #f, NULL, 0)) == NULL) { \
libjpeg_handle = NULL; \
return NULL; \
}
LOAD_FUNCPTR(jpeg_CreateDecompress);
LOAD_FUNCPTR(jpeg_destroy_decompress);
LOAD_FUNCPTR(jpeg_read_header);
LOAD_FUNCPTR(jpeg_read_scanlines);
LOAD_FUNCPTR(jpeg_resync_to_restart);
LOAD_FUNCPTR(jpeg_start_decompress);
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LOAD_FUNCPTR(jpeg_std_error);
#undef LOAD_FUNCPTR
}
return libjpeg_handle;
}
typedef struct {
const IWICBitmapDecoderVtbl *lpVtbl;
const IWICBitmapFrameDecodeVtbl *lpFrameVtbl;
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LONG ref;
BOOL initialized;
BOOL cinfo_initialized;
IStream *stream;
struct jpeg_decompress_struct cinfo;
struct jpeg_error_mgr jerr;
struct jpeg_source_mgr source_mgr;
BYTE source_buffer[1024];
BYTE *image_data;
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} JpegDecoder;
static inline JpegDecoder *decoder_from_decompress(j_decompress_ptr decompress)
{
return CONTAINING_RECORD(decompress, JpegDecoder, cinfo);
}
static inline JpegDecoder *decoder_from_frame(IWICBitmapFrameDecode *iface)
{
return CONTAINING_RECORD(iface, JpegDecoder, lpFrameVtbl);
}
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static HRESULT WINAPI JpegDecoder_QueryInterface(IWICBitmapDecoder *iface, REFIID iid,
void **ppv)
{
JpegDecoder *This = (JpegDecoder*)iface;
TRACE("(%p,%s,%p)\n", iface, debugstr_guid(iid), ppv);
if (!ppv) return E_INVALIDARG;
if (IsEqualIID(&IID_IUnknown, iid) || IsEqualIID(&IID_IWICBitmapDecoder, iid))
{
*ppv = This;
}
else
{
*ppv = NULL;
return E_NOINTERFACE;
}
IUnknown_AddRef((IUnknown*)*ppv);
return S_OK;
}
static ULONG WINAPI JpegDecoder_AddRef(IWICBitmapDecoder *iface)
{
JpegDecoder *This = (JpegDecoder*)iface;
ULONG ref = InterlockedIncrement(&This->ref);
TRACE("(%p) refcount=%u\n", iface, ref);
return ref;
}
static ULONG WINAPI JpegDecoder_Release(IWICBitmapDecoder *iface)
{
JpegDecoder *This = (JpegDecoder*)iface;
ULONG ref = InterlockedDecrement(&This->ref);
TRACE("(%p) refcount=%u\n", iface, ref);
if (ref == 0)
{
if (This->cinfo_initialized) pjpeg_destroy_decompress(&This->cinfo);
if (This->stream) IStream_Release(This->stream);
HeapFree(GetProcessHeap(), 0, This->image_data);
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HeapFree(GetProcessHeap(), 0, This);
}
return ref;
}
static HRESULT WINAPI JpegDecoder_QueryCapability(IWICBitmapDecoder *iface, IStream *pIStream,
DWORD *pdwCapability)
{
FIXME("(%p,%p,%p): stub\n", iface, pIStream, pdwCapability);
return E_NOTIMPL;
}
static void source_mgr_init_source(j_decompress_ptr cinfo)
{
}
static jpeg_boolean source_mgr_fill_input_buffer(j_decompress_ptr cinfo)
{
JpegDecoder *This = decoder_from_decompress(cinfo);
HRESULT hr;
ULONG bytesread;
hr = IStream_Read(This->stream, This->source_buffer, 1024, &bytesread);
if (hr != S_OK || bytesread == 0)
{
return FALSE;
}
else
{
This->source_mgr.next_input_byte = This->source_buffer;
This->source_mgr.bytes_in_buffer = bytesread;
return TRUE;
}
}
static void source_mgr_skip_input_data(j_decompress_ptr cinfo, long num_bytes)
{
JpegDecoder *This = decoder_from_decompress(cinfo);
LARGE_INTEGER seek;
if (num_bytes > This->source_mgr.bytes_in_buffer)
{
seek.QuadPart = num_bytes - This->source_mgr.bytes_in_buffer;
IStream_Seek(This->stream, seek, STREAM_SEEK_CUR, NULL);
This->source_mgr.bytes_in_buffer = 0;
}
else if (num_bytes > 0)
{
This->source_mgr.next_input_byte += num_bytes;
This->source_mgr.bytes_in_buffer -= num_bytes;
}
}
static void source_mgr_term_source(j_decompress_ptr cinfo)
{
}
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static HRESULT WINAPI JpegDecoder_Initialize(IWICBitmapDecoder *iface, IStream *pIStream,
WICDecodeOptions cacheOptions)
{
JpegDecoder *This = (JpegDecoder*)iface;
int ret;
TRACE("(%p,%p,%u)\n", iface, pIStream, cacheOptions);
if (This->cinfo_initialized) return WINCODEC_ERR_WRONGSTATE;
This->cinfo.err = pjpeg_std_error(&This->jerr);
pjpeg_CreateDecompress(&This->cinfo, JPEG_LIB_VERSION, sizeof(struct jpeg_decompress_struct));
This->cinfo_initialized = TRUE;
This->stream = pIStream;
IStream_AddRef(pIStream);
This->source_mgr.bytes_in_buffer = 0;
This->source_mgr.init_source = source_mgr_init_source;
This->source_mgr.fill_input_buffer = source_mgr_fill_input_buffer;
This->source_mgr.skip_input_data = source_mgr_skip_input_data;
This->source_mgr.resync_to_restart = pjpeg_resync_to_restart;
This->source_mgr.term_source = source_mgr_term_source;
This->cinfo.src = &This->source_mgr;
ret = pjpeg_read_header(&This->cinfo, TRUE);
if (ret != JPEG_HEADER_OK) {
WARN("Jpeg image in stream has bad format, read header returned %d.\n",ret);
return E_FAIL;
}
if (This->cinfo.jpeg_color_space == JCS_GRAYSCALE)
This->cinfo.out_color_space = JCS_GRAYSCALE;
else
This->cinfo.out_color_space = JCS_RGB;
if (!pjpeg_start_decompress(&This->cinfo))
{
ERR("jpeg_start_decompress failed\n");
return E_FAIL;
}
This->initialized = TRUE;
return S_OK;
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}
static HRESULT WINAPI JpegDecoder_GetContainerFormat(IWICBitmapDecoder *iface,
GUID *pguidContainerFormat)
{
memcpy(pguidContainerFormat, &GUID_ContainerFormatJpeg, sizeof(GUID));
return S_OK;
}
static HRESULT WINAPI JpegDecoder_GetDecoderInfo(IWICBitmapDecoder *iface,
IWICBitmapDecoderInfo **ppIDecoderInfo)
{
FIXME("(%p,%p): stub\n", iface, ppIDecoderInfo);
return E_NOTIMPL;
}
static HRESULT WINAPI JpegDecoder_CopyPalette(IWICBitmapDecoder *iface,
IWICPalette *pIPalette)
{
TRACE("(%p,%p)\n", iface, pIPalette);
return WINCODEC_ERR_PALETTEUNAVAILABLE;
}
static HRESULT WINAPI JpegDecoder_GetMetadataQueryReader(IWICBitmapDecoder *iface,
IWICMetadataQueryReader **ppIMetadataQueryReader)
{
FIXME("(%p,%p): stub\n", iface, ppIMetadataQueryReader);
return E_NOTIMPL;
}
static HRESULT WINAPI JpegDecoder_GetPreview(IWICBitmapDecoder *iface,
IWICBitmapSource **ppIBitmapSource)
{
FIXME("(%p,%p): stub\n", iface, ppIBitmapSource);
return WINCODEC_ERR_UNSUPPORTEDOPERATION;
}
static HRESULT WINAPI JpegDecoder_GetColorContexts(IWICBitmapDecoder *iface,
UINT cCount, IWICColorContext **ppIColorContexts, UINT *pcActualCount)
{
FIXME("(%p,%u,%p,%p): stub\n", iface, cCount, ppIColorContexts, pcActualCount);
return WINCODEC_ERR_UNSUPPORTEDOPERATION;
}
static HRESULT WINAPI JpegDecoder_GetThumbnail(IWICBitmapDecoder *iface,
IWICBitmapSource **ppIThumbnail)
{
FIXME("(%p,%p): stub\n", iface, ppIThumbnail);
return WINCODEC_ERR_CODECNOTHUMBNAIL;
}
static HRESULT WINAPI JpegDecoder_GetFrameCount(IWICBitmapDecoder *iface,
UINT *pCount)
{
*pCount = 1;
return S_OK;
}
static HRESULT WINAPI JpegDecoder_GetFrame(IWICBitmapDecoder *iface,
UINT index, IWICBitmapFrameDecode **ppIBitmapFrame)
{
JpegDecoder *This = (JpegDecoder*)iface;
TRACE("(%p,%u,%p)\n", iface, index, ppIBitmapFrame);
if (!This->initialized) return WINCODEC_ERR_NOTINITIALIZED;
if (index != 0) return E_INVALIDARG;
IWICBitmapDecoder_AddRef(iface);
*ppIBitmapFrame = (IWICBitmapFrameDecode*)&This->lpFrameVtbl;
return S_OK;
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}
static const IWICBitmapDecoderVtbl JpegDecoder_Vtbl = {
JpegDecoder_QueryInterface,
JpegDecoder_AddRef,
JpegDecoder_Release,
JpegDecoder_QueryCapability,
JpegDecoder_Initialize,
JpegDecoder_GetContainerFormat,
JpegDecoder_GetDecoderInfo,
JpegDecoder_CopyPalette,
JpegDecoder_GetMetadataQueryReader,
JpegDecoder_GetPreview,
JpegDecoder_GetColorContexts,
JpegDecoder_GetThumbnail,
JpegDecoder_GetFrameCount,
JpegDecoder_GetFrame
};
static HRESULT WINAPI JpegDecoder_Frame_QueryInterface(IWICBitmapFrameDecode *iface, REFIID iid,
void **ppv)
{
TRACE("(%p,%s,%p)\n", iface, debugstr_guid(iid), ppv);
if (!ppv) return E_INVALIDARG;
if (IsEqualIID(&IID_IUnknown, iid) ||
IsEqualIID(&IID_IWICBitmapSource, iid) ||
IsEqualIID(&IID_IWICBitmapFrameDecode, iid))
{
*ppv = iface;
}
else
{
*ppv = NULL;
return E_NOINTERFACE;
}
IUnknown_AddRef((IUnknown*)*ppv);
return S_OK;
}
static ULONG WINAPI JpegDecoder_Frame_AddRef(IWICBitmapFrameDecode *iface)
{
JpegDecoder *This = decoder_from_frame(iface);
return IUnknown_AddRef((IUnknown*)This);
}
static ULONG WINAPI JpegDecoder_Frame_Release(IWICBitmapFrameDecode *iface)
{
JpegDecoder *This = decoder_from_frame(iface);
return IUnknown_Release((IUnknown*)This);
}
static HRESULT WINAPI JpegDecoder_Frame_GetSize(IWICBitmapFrameDecode *iface,
UINT *puiWidth, UINT *puiHeight)
{
JpegDecoder *This = decoder_from_frame(iface);
*puiWidth = This->cinfo.output_width;
*puiHeight = This->cinfo.output_height;
TRACE("(%p)->(%u,%u)\n", iface, *puiWidth, *puiHeight);
return S_OK;
}
static HRESULT WINAPI JpegDecoder_Frame_GetPixelFormat(IWICBitmapFrameDecode *iface,
WICPixelFormatGUID *pPixelFormat)
{
JpegDecoder *This = decoder_from_frame(iface);
TRACE("(%p,%p)\n", iface, pPixelFormat);
if (This->cinfo.out_color_space == JCS_RGB)
memcpy(pPixelFormat, &GUID_WICPixelFormat24bppBGR, sizeof(GUID));
else /* This->cinfo.out_color_space == JCS_GRAYSCALE */
memcpy(pPixelFormat, &GUID_WICPixelFormat8bppGray, sizeof(GUID));
return S_OK;
}
static HRESULT WINAPI JpegDecoder_Frame_GetResolution(IWICBitmapFrameDecode *iface,
double *pDpiX, double *pDpiY)
{
FIXME("(%p,%p,%p): stub\n", iface, pDpiX, pDpiY);
return E_NOTIMPL;
}
static HRESULT WINAPI JpegDecoder_Frame_CopyPalette(IWICBitmapFrameDecode *iface,
IWICPalette *pIPalette)
{
FIXME("(%p,%p): stub\n", iface, pIPalette);
return E_NOTIMPL;
}
static HRESULT WINAPI JpegDecoder_Frame_CopyPixels(IWICBitmapFrameDecode *iface,
const WICRect *prc, UINT cbStride, UINT cbBufferSize, BYTE *pbBuffer)
{
JpegDecoder *This = decoder_from_frame(iface);
UINT bpp;
UINT stride;
UINT data_size;
UINT max_row_needed;
TRACE("(%p,%p,%u,%u,%p)\n", iface, prc, cbStride, cbBufferSize, pbBuffer);
if (This->cinfo.out_color_space == JCS_GRAYSCALE) bpp = 8;
else bpp = 24;
stride = bpp * This->cinfo.output_width;
data_size = stride * This->cinfo.output_height;
max_row_needed = prc->Y + prc->Height;
if (max_row_needed > This->cinfo.output_height) return E_INVALIDARG;
if (!This->image_data)
{
This->image_data = HeapAlloc(GetProcessHeap(), 0, data_size);
if (!This->image_data) return E_OUTOFMEMORY;
}
while (max_row_needed > This->cinfo.output_scanline)
{
UINT first_scanline = This->cinfo.output_scanline;
UINT max_rows;
JSAMPROW out_rows[4];
UINT i, j;
JDIMENSION ret;
max_rows = min(This->cinfo.output_height-first_scanline, 4);
for (i=0; i<max_rows; i++)
out_rows[i] = This->image_data + stride * (first_scanline+i);
ret = pjpeg_read_scanlines(&This->cinfo, out_rows, max_rows);
if (ret == 0)
{
ERR("read_scanlines failed\n");
return E_FAIL;
}
if (bpp == 24)
{
/* libjpeg gives us RGB data and we want BGR, so byteswap the data */
for (i=first_scanline; i<This->cinfo.output_scanline; i++)
{
BYTE *pixel = This->image_data + stride * i;
for (j=0; j<This->cinfo.output_width; j++)
{
BYTE red=pixel[0];
BYTE blue=pixel[2];
pixel[0]=blue;
pixel[2]=red;
pixel+=3;
}
}
}
}
return copy_pixels(bpp, This->image_data,
This->cinfo.output_width, This->cinfo.output_height, stride,
prc, cbStride, cbBufferSize, pbBuffer);
}
static HRESULT WINAPI JpegDecoder_Frame_GetMetadataQueryReader(IWICBitmapFrameDecode *iface,
IWICMetadataQueryReader **ppIMetadataQueryReader)
{
FIXME("(%p,%p): stub\n", iface, ppIMetadataQueryReader);
return WINCODEC_ERR_UNSUPPORTEDOPERATION;
}
static HRESULT WINAPI JpegDecoder_Frame_GetColorContexts(IWICBitmapFrameDecode *iface,
UINT cCount, IWICColorContext **ppIColorContexts, UINT *pcActualCount)
{
FIXME("(%p,%u,%p,%p): stub\n", iface, cCount, ppIColorContexts, pcActualCount);
return WINCODEC_ERR_UNSUPPORTEDOPERATION;
}
static HRESULT WINAPI JpegDecoder_Frame_GetThumbnail(IWICBitmapFrameDecode *iface,
IWICBitmapSource **ppIThumbnail)
{
FIXME("(%p,%p): stub\n", iface, ppIThumbnail);
return WINCODEC_ERR_CODECNOTHUMBNAIL;
}
static const IWICBitmapFrameDecodeVtbl JpegDecoder_Frame_Vtbl = {
JpegDecoder_Frame_QueryInterface,
JpegDecoder_Frame_AddRef,
JpegDecoder_Frame_Release,
JpegDecoder_Frame_GetSize,
JpegDecoder_Frame_GetPixelFormat,
JpegDecoder_Frame_GetResolution,
JpegDecoder_Frame_CopyPalette,
JpegDecoder_Frame_CopyPixels,
JpegDecoder_Frame_GetMetadataQueryReader,
JpegDecoder_Frame_GetColorContexts,
JpegDecoder_Frame_GetThumbnail
};
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HRESULT JpegDecoder_CreateInstance(IUnknown *pUnkOuter, REFIID iid, void** ppv)
{
JpegDecoder *This;
HRESULT ret;
TRACE("(%p,%s,%p)\n", pUnkOuter, debugstr_guid(iid), ppv);
if (!libjpeg_handle && !load_libjpeg())
{
ERR("Failed reading JPEG because unable to find %s\n", SONAME_LIBJPEG);
return E_FAIL;
}
*ppv = NULL;
if (pUnkOuter) return CLASS_E_NOAGGREGATION;
This = HeapAlloc(GetProcessHeap(), 0, sizeof(JpegDecoder));
if (!This) return E_OUTOFMEMORY;
This->lpVtbl = &JpegDecoder_Vtbl;
This->lpFrameVtbl = &JpegDecoder_Frame_Vtbl;
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This->ref = 1;
This->initialized = FALSE;
This->cinfo_initialized = FALSE;
This->stream = NULL;
This->image_data = NULL;
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ret = IUnknown_QueryInterface((IUnknown*)This, iid, ppv);
IUnknown_Release((IUnknown*)This);
return ret;
}
#else /* !defined(SONAME_LIBJPEG) */
HRESULT JpegDecoder_CreateInstance(IUnknown *pUnkOuter, REFIID iid, void** ppv)
{
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ERR("Trying to load JPEG picture, but JPEG support is not compiled in.\n");
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return E_FAIL;
}
#endif