146 lines
4.3 KiB
C
146 lines
4.3 KiB
C
/*
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* unix_iface.c - This is the Win32 side of the Unix interface.
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*
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* Copyright 2020 Esme Povirk
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
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*/
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#include "config.h"
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#include "wine/port.h"
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#include <stdarg.h>
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#define NONAMELESSUNION
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#define COBJMACROS
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#include "windef.h"
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#include "winbase.h"
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#include "objbase.h"
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#include "winternl.h"
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#include "wincodecs_private.h"
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#include "wine/debug.h"
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static INIT_ONCE init_once = INIT_ONCE_STATIC_INIT;
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static const struct unix_funcs *unix_funcs;
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static const struct win32_funcs win32_funcs = {
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stream_getsize,
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stream_read,
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stream_seek
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};
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static BOOL WINAPI load_unixlib( INIT_ONCE *once, void *param, void **context )
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{
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__wine_init_unix_lib( windowscodecs_module, DLL_PROCESS_ATTACH, &win32_funcs, &unix_funcs );
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return TRUE;
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}
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static void init_unixlib(void)
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{
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InitOnceExecuteOnce( &init_once, load_unixlib, NULL, NULL );
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}
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struct decoder_wrapper
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{
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struct decoder win32_decoder;
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struct decoder *unix_decoder;
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};
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static inline struct decoder_wrapper *impl_from_decoder(struct decoder* iface)
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{
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return CONTAINING_RECORD(iface, struct decoder_wrapper, win32_decoder);
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}
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HRESULT CDECL decoder_wrapper_initialize(struct decoder* iface, IStream* stream, struct decoder_stat *st)
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{
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struct decoder_wrapper* This = impl_from_decoder(iface);
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return unix_funcs->decoder_initialize(This->unix_decoder, stream, st);
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}
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HRESULT CDECL decoder_wrapper_get_frame_info(struct decoder* iface, UINT frame, struct decoder_frame *info)
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{
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struct decoder_wrapper* This = impl_from_decoder(iface);
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return unix_funcs->decoder_get_frame_info(This->unix_decoder, frame, info);
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}
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HRESULT CDECL decoder_wrapper_copy_pixels(struct decoder* iface, UINT frame,
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const WICRect *prc, UINT stride, UINT buffersize, BYTE *buffer)
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{
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struct decoder_wrapper* This = impl_from_decoder(iface);
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return unix_funcs->decoder_copy_pixels(This->unix_decoder, frame, prc, stride, buffersize, buffer);
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}
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HRESULT CDECL decoder_wrapper_get_metadata_blocks(struct decoder* iface,
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UINT frame, UINT *count, struct decoder_block **blocks)
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{
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struct decoder_wrapper* This = impl_from_decoder(iface);
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return unix_funcs->decoder_get_metadata_blocks(This->unix_decoder, frame, count, blocks);
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}
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HRESULT CDECL decoder_wrapper_get_color_context(struct decoder* iface,
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UINT frame, UINT num, BYTE **data, DWORD *datasize)
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{
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struct decoder_wrapper* This = impl_from_decoder(iface);
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return unix_funcs->decoder_get_color_context(This->unix_decoder, frame, num, data, datasize);
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}
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void CDECL decoder_wrapper_destroy(struct decoder* iface)
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{
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struct decoder_wrapper* This = impl_from_decoder(iface);
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unix_funcs->decoder_destroy(This->unix_decoder);
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HeapFree(GetProcessHeap(), 0, This);
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}
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static const struct decoder_funcs decoder_wrapper_vtable = {
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decoder_wrapper_initialize,
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decoder_wrapper_get_frame_info,
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decoder_wrapper_copy_pixels,
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decoder_wrapper_get_metadata_blocks,
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decoder_wrapper_get_color_context,
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decoder_wrapper_destroy
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};
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HRESULT get_unix_decoder(const CLSID *decoder_clsid, struct decoder_info *info, struct decoder **result)
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{
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HRESULT hr;
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struct decoder_wrapper *wrapper;
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struct decoder *unix_decoder;
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init_unixlib();
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hr = unix_funcs->decoder_create(decoder_clsid, info, &unix_decoder);
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if (SUCCEEDED(hr))
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{
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wrapper = HeapAlloc(GetProcessHeap(), 0, sizeof(*wrapper));
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if (!wrapper)
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{
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unix_funcs->decoder_destroy(unix_decoder);
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return E_OUTOFMEMORY;
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}
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wrapper->win32_decoder.vtable = &decoder_wrapper_vtable;
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wrapper->unix_decoder = unix_decoder;
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*result = &wrapper->win32_decoder;
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}
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return hr;
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}
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