Skip to content

W
wine-winehq
Commit 70970429 authored by Rémi Bernon's avatar Rémi Bernon Committed by Alexandre Julliard
Browse files
Options

mf/scheme_handler: Split file scheme handler to scheme_handler.c.

parent fd3d0113
Hide whitespace changes
Inline Side-by-side
Showing with 484 additions and 448 deletions
dlls/mf/Makefile.in
View file @ 70970429
......@@ -13,6 +13,7 @@ C_SRCS = \
quality.c \
samplegrabber.c \
sar.c \
scheme_handler.c \
session.c \
topology.c \
topology_loader.c
......
dlls/mf/main.c
View file @ 70970429
......@@ -548,454 +548,6 @@ static const IClassFactoryVtbl class_factory_vtbl =
class_factory_LockServer,
};
struct file_scheme_handler_result
{
struct list entry;
IMFAsyncResult *result;
MF_OBJECT_TYPE obj_type;
IUnknown *object;
};
struct file_scheme_handler
{
IMFSchemeHandler IMFSchemeHandler_iface;
IMFAsyncCallback IMFAsyncCallback_iface;
LONG refcount;
IMFSourceResolver *resolver;
struct list results;
CRITICAL_SECTION cs;
};
static struct file_scheme_handler *impl_from_IMFSchemeHandler(IMFSchemeHandler *iface)
{
return CONTAINING_RECORD(iface, struct file_scheme_handler, IMFSchemeHandler_iface);
}
static struct file_scheme_handler *impl_from_IMFAsyncCallback(IMFAsyncCallback *iface)
{
return CONTAINING_RECORD(iface, struct file_scheme_handler, IMFAsyncCallback_iface);
}
static HRESULT WINAPI file_scheme_handler_QueryInterface(IMFSchemeHandler *iface, REFIID riid, void **obj)
{
TRACE("%p, %s, %p.\n", iface, debugstr_guid(riid), obj);
if (IsEqualIID(riid, &IID_IMFSchemeHandler) ||
IsEqualIID(riid, &IID_IUnknown))
{
*obj = iface;
IMFSchemeHandler_AddRef(iface);
return S_OK;
}
WARN("Unsupported %s.\n", debugstr_guid(riid));
*obj = NULL;
return E_NOINTERFACE;
}
static ULONG WINAPI file_scheme_handler_AddRef(IMFSchemeHandler *iface)
{
struct file_scheme_handler *handler = impl_from_IMFSchemeHandler(iface);
ULONG refcount = InterlockedIncrement(&handler->refcount);
TRACE("%p, refcount %lu.\n", handler, refcount);
return refcount;
}
static ULONG WINAPI file_scheme_handler_Release(IMFSchemeHandler *iface)
{
struct file_scheme_handler *handler = impl_from_IMFSchemeHandler(iface);
ULONG refcount = InterlockedDecrement(&handler->refcount);
struct file_scheme_handler_result *result, *next;
TRACE("%p, refcount %lu.\n", iface, refcount);
if (!refcount)
{
LIST_FOR_EACH_ENTRY_SAFE(result, next, &handler->results, struct file_scheme_handler_result, entry)
{
list_remove(&result->entry);
IMFAsyncResult_Release(result->result);
if (result->object)
IUnknown_Release(result->object);
free(result);
}
DeleteCriticalSection(&handler->cs);
if (handler->resolver)
IMFSourceResolver_Release(handler->resolver);
free(handler);
}
return refcount;
}
struct create_object_context
{
IUnknown IUnknown_iface;
LONG refcount;
IPropertyStore *props;
WCHAR *url;
DWORD flags;
};
static struct create_object_context *impl_from_IUnknown(IUnknown *iface)
{
return CONTAINING_RECORD(iface, struct create_object_context, IUnknown_iface);
}
static HRESULT WINAPI create_object_context_QueryInterface(IUnknown *iface, REFIID riid, void **obj)
{
TRACE("%p, %s, %p.\n", iface, debugstr_guid(riid), obj);
if (IsEqualIID(riid, &IID_IUnknown))
{
*obj = iface;
IUnknown_AddRef(iface);
return S_OK;
}
WARN("Unsupported %s.\n", debugstr_guid(riid));
*obj = NULL;
return E_NOINTERFACE;
}
static ULONG WINAPI create_object_context_AddRef(IUnknown *iface)
{
struct create_object_context *context = impl_from_IUnknown(iface);
ULONG refcount = InterlockedIncrement(&context->refcount);
TRACE("%p, refcount %lu.\n", iface, refcount);
return refcount;
}
static ULONG WINAPI create_object_context_Release(IUnknown *iface)
{
struct create_object_context *context = impl_from_IUnknown(iface);
ULONG refcount = InterlockedDecrement(&context->refcount);
TRACE("%p, refcount %lu.\n", iface, refcount);
if (!refcount)
{
if (context->props)
IPropertyStore_Release(context->props);
free(context->url);
free(context);
}
return refcount;
}
static const IUnknownVtbl create_object_context_vtbl =
{
create_object_context_QueryInterface,
create_object_context_AddRef,
create_object_context_Release,
};
static HRESULT WINAPI file_scheme_handler_BeginCreateObject(IMFSchemeHandler *iface, const WCHAR *url, DWORD flags,
IPropertyStore *props, IUnknown **cancel_cookie, IMFAsyncCallback *callback, IUnknown *state)
{
struct file_scheme_handler *handler = impl_from_IMFSchemeHandler(iface);
struct create_object_context *context;
IMFAsyncResult *caller, *item;
HRESULT hr;
TRACE("%p, %s, %#lx, %p, %p, %p, %p.\n", iface, debugstr_w(url), flags, props, cancel_cookie, callback, state);
if (cancel_cookie)
*cancel_cookie = NULL;
if (FAILED(hr = MFCreateAsyncResult(NULL, callback, state, &caller)))
return hr;
if (!(context = malloc(sizeof(*context))))
{
IMFAsyncResult_Release(caller);
return E_OUTOFMEMORY;
}
context->IUnknown_iface.lpVtbl = &create_object_context_vtbl;
context->refcount = 1;
context->props = props;
if (context->props)
IPropertyStore_AddRef(context->props);
context->flags = flags;
context->url = wcsdup(url);
if (!context->url)
{
IMFAsyncResult_Release(caller);
IUnknown_Release(&context->IUnknown_iface);
return E_OUTOFMEMORY;
}
hr = MFCreateAsyncResult(&context->IUnknown_iface, &handler->IMFAsyncCallback_iface, (IUnknown *)caller, &item);
IUnknown_Release(&context->IUnknown_iface);
if (SUCCEEDED(hr))
{
if (SUCCEEDED(hr = MFPutWorkItemEx(MFASYNC_CALLBACK_QUEUE_IO, item)))
{
if (cancel_cookie)
{
*cancel_cookie = (IUnknown *)caller;
IUnknown_AddRef(*cancel_cookie);
}
}
IMFAsyncResult_Release(item);
}
IMFAsyncResult_Release(caller);
return hr;
}
static HRESULT WINAPI file_scheme_handler_EndCreateObject(IMFSchemeHandler *iface, IMFAsyncResult *result,
MF_OBJECT_TYPE *obj_type, IUnknown **object)
{
struct file_scheme_handler *handler = impl_from_IMFSchemeHandler(iface);
struct file_scheme_handler_result *found = NULL, *cur;
HRESULT hr;
TRACE("%p, %p, %p, %p.\n", iface, result, obj_type, object);
EnterCriticalSection(&handler->cs);
LIST_FOR_EACH_ENTRY(cur, &handler->results, struct file_scheme_handler_result, entry)
{
if (result == cur->result)
{
list_remove(&cur->entry);
found = cur;
break;
}
}
LeaveCriticalSection(&handler->cs);
if (found)
{
*obj_type = found->obj_type;
*object = found->object;
hr = IMFAsyncResult_GetStatus(found->result);
IMFAsyncResult_Release(found->result);
free(found);
}
else
{
*obj_type = MF_OBJECT_INVALID;
*object = NULL;
hr = MF_E_UNEXPECTED;
}
return hr;
}
static HRESULT WINAPI file_scheme_handler_CancelObjectCreation(IMFSchemeHandler *iface, IUnknown *cancel_cookie)
{
struct file_scheme_handler *handler = impl_from_IMFSchemeHandler(iface);
struct file_scheme_handler_result *found = NULL, *cur;
TRACE("%p, %p.\n", iface, cancel_cookie);
EnterCriticalSection(&handler->cs);
LIST_FOR_EACH_ENTRY(cur, &handler->results, struct file_scheme_handler_result, entry)
{
if (cancel_cookie == (IUnknown *)cur->result)
{
list_remove(&cur->entry);
found = cur;
break;
}
}
LeaveCriticalSection(&handler->cs);
if (found)
{
IMFAsyncResult_Release(found->result);
if (found->object)
IUnknown_Release(found->object);
free(found);
}
return found ? S_OK : MF_E_UNEXPECTED;
}
static const IMFSchemeHandlerVtbl file_scheme_handler_vtbl =
{
file_scheme_handler_QueryInterface,
file_scheme_handler_AddRef,
file_scheme_handler_Release,
file_scheme_handler_BeginCreateObject,
file_scheme_handler_EndCreateObject,
file_scheme_handler_CancelObjectCreation,
};
static HRESULT WINAPI file_scheme_handler_callback_QueryInterface(IMFAsyncCallback *iface, REFIID riid, void **obj)
{
if (IsEqualIID(riid, &IID_IMFAsyncCallback) ||
IsEqualIID(riid, &IID_IUnknown))
{
*obj = iface;
IMFAsyncCallback_AddRef(iface);
return S_OK;
}
WARN("Unsupported %s.\n", debugstr_guid(riid));
*obj = NULL;
return E_NOINTERFACE;
}
static ULONG WINAPI file_scheme_handler_callback_AddRef(IMFAsyncCallback *iface)
{
struct file_scheme_handler *handler = impl_from_IMFAsyncCallback(iface);
return IMFSchemeHandler_AddRef(&handler->IMFSchemeHandler_iface);
}
static ULONG WINAPI file_scheme_handler_callback_Release(IMFAsyncCallback *iface)
{
struct file_scheme_handler *handler = impl_from_IMFAsyncCallback(iface);
return IMFSchemeHandler_Release(&handler->IMFSchemeHandler_iface);
}
static HRESULT WINAPI file_scheme_handler_callback_GetParameters(IMFAsyncCallback *iface, DWORD *flags, DWORD *queue)
{
return E_NOTIMPL;
}
static HRESULT file_scheme_handler_get_resolver(struct file_scheme_handler *handler, IMFSourceResolver **resolver)
{
HRESULT hr;
if (!handler->resolver)
{
IMFSourceResolver *resolver;
if (FAILED(hr = MFCreateSourceResolver(&resolver)))
return hr;
if (InterlockedCompareExchangePointer((void **)&handler->resolver, resolver, NULL))
IMFSourceResolver_Release(resolver);
}
*resolver = handler->resolver;
IMFSourceResolver_AddRef(*resolver);
return S_OK;
}
static HRESULT WINAPI file_scheme_handler_callback_Invoke(IMFAsyncCallback *iface, IMFAsyncResult *result)
{
static const WCHAR schemeW[] = {'f','i','l','e',':','/','/'};
struct file_scheme_handler *handler = impl_from_IMFAsyncCallback(iface);
struct file_scheme_handler_result *handler_result;
MF_OBJECT_TYPE obj_type = MF_OBJECT_INVALID;
IUnknown *object = NULL, *context_object;
struct create_object_context *context;
IMFSourceResolver *resolver;
IMFAsyncResult *caller;
IMFByteStream *stream;
const WCHAR *url;
HRESULT hr;
caller = (IMFAsyncResult *)IMFAsyncResult_GetStateNoAddRef(result);
if (FAILED(hr = IMFAsyncResult_GetObject(result, &context_object)))
{
WARN("Expected context set for callee result.\n");
return hr;
}
context = impl_from_IUnknown(context_object);
/* Strip from scheme, MFCreateFile() won't be expecting it. */
url = context->url;
if (!wcsnicmp(context->url, schemeW, ARRAY_SIZE(schemeW)))
url += ARRAY_SIZE(schemeW);
hr = MFCreateFile(context->flags & MF_RESOLUTION_WRITE ? MF_ACCESSMODE_READWRITE : MF_ACCESSMODE_READ,
MF_OPENMODE_FAIL_IF_NOT_EXIST, MF_FILEFLAGS_NONE, url, &stream);
if (SUCCEEDED(hr))
{
if (context->flags & MF_RESOLUTION_MEDIASOURCE)
{
if (SUCCEEDED(hr = file_scheme_handler_get_resolver(handler, &resolver)))
{
hr = IMFSourceResolver_CreateObjectFromByteStream(resolver, stream, context->url, context->flags,
context->props, &obj_type, &object);
IMFSourceResolver_Release(resolver);
IMFByteStream_Release(stream);
}
}
else
{
object = (IUnknown *)stream;
obj_type = MF_OBJECT_BYTESTREAM;
}
}
handler_result = malloc(sizeof(*handler_result));
if (handler_result)
{
handler_result->result = caller;
IMFAsyncResult_AddRef(handler_result->result);
handler_result->obj_type = obj_type;
handler_result->object = object;
EnterCriticalSection(&handler->cs);
list_add_tail(&handler->results, &handler_result->entry);
LeaveCriticalSection(&handler->cs);
}
else
{
if (object)
IUnknown_Release(object);
hr = E_OUTOFMEMORY;
}
IUnknown_Release(&context->IUnknown_iface);
IMFAsyncResult_SetStatus(caller, hr);
MFInvokeCallback(caller);
return S_OK;
}
static const IMFAsyncCallbackVtbl file_scheme_handler_callback_vtbl =
{
file_scheme_handler_callback_QueryInterface,
file_scheme_handler_callback_AddRef,
file_scheme_handler_callback_Release,
file_scheme_handler_callback_GetParameters,
file_scheme_handler_callback_Invoke,
};
static HRESULT file_scheme_handler_construct(REFIID riid, void **obj)
{
struct file_scheme_handler *handler;
HRESULT hr;
TRACE("%s, %p.\n", debugstr_guid(riid), obj);
if (!(handler = calloc(1, sizeof(*handler))))
return E_OUTOFMEMORY;
handler->IMFSchemeHandler_iface.lpVtbl = &file_scheme_handler_vtbl;
handler->IMFAsyncCallback_iface.lpVtbl = &file_scheme_handler_callback_vtbl;
handler->refcount = 1;
list_init(&handler->results);
InitializeCriticalSection(&handler->cs);
hr = IMFSchemeHandler_QueryInterface(&handler->IMFSchemeHandler_iface, riid, obj);
IMFSchemeHandler_Release(&handler->IMFSchemeHandler_iface);
return hr;
}
static struct class_factory file_scheme_handler_factory = { { &class_factory_vtbl }, file_scheme_handler_construct };
static const struct class_object
......
dlls/mf/mf_private.h
View file @ 70970429
......@@ -113,6 +113,8 @@ static inline const char *debugstr_propvar(const PROPVARIANT *v)
}
}
extern HRESULT file_scheme_handler_construct(REFIID riid, void **obj);
extern BOOL mf_is_sample_copier_transform(IMFTransform *transform);
extern BOOL mf_is_sar_sink(IMFMediaSink *sink);
extern HRESULT topology_node_get_object(IMFTopologyNode *node, REFIID riid, void **obj);
......
dlls/mf/scheme_handler.c 0 → 100644
View file @ 70970429
/*
* Copyright 2022 Nikolay Sivov 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 <stddef.h>
#include <stdarg.h>
#define COBJMACROS
#include "windef.h"
#include "winbase.h"
#include "evr.h"
#include "mfidl.h"
#include "mf_private.h"
#include "wine/debug.h"
#include "wine/list.h"
WINE_DEFAULT_DEBUG_CHANNEL(mfplat);
struct scheme_handler_result
{
struct list entry;
IMFAsyncResult *result;
MF_OBJECT_TYPE obj_type;
IUnknown *object;
};
struct scheme_handler
{
IMFSchemeHandler IMFSchemeHandler_iface;
IMFAsyncCallback IMFAsyncCallback_iface;
LONG refcount;
IMFSourceResolver *resolver;
struct list results;
CRITICAL_SECTION cs;
};
static struct scheme_handler *impl_from_IMFSchemeHandler(IMFSchemeHandler *iface)
{
return CONTAINING_RECORD(iface, struct scheme_handler, IMFSchemeHandler_iface);
}
static struct scheme_handler *impl_from_IMFAsyncCallback(IMFAsyncCallback *iface)
{
return CONTAINING_RECORD(iface, struct scheme_handler, IMFAsyncCallback_iface);
}
static HRESULT WINAPI scheme_handler_QueryInterface(IMFSchemeHandler *iface, REFIID riid, void **obj)
{
TRACE("%p, %s, %p.\n", iface, debugstr_guid(riid), obj);
if (IsEqualIID(riid, &IID_IMFSchemeHandler) ||
IsEqualIID(riid, &IID_IUnknown))
{
*obj = iface;
IMFSchemeHandler_AddRef(iface);
return S_OK;
}
WARN("Unsupported %s.\n", debugstr_guid(riid));
*obj = NULL;
return E_NOINTERFACE;
}
static ULONG WINAPI scheme_handler_AddRef(IMFSchemeHandler *iface)
{
struct scheme_handler *handler = impl_from_IMFSchemeHandler(iface);
ULONG refcount = InterlockedIncrement(&handler->refcount);
TRACE("%p, refcount %lu.\n", handler, refcount);
return refcount;
}
static ULONG WINAPI scheme_handler_Release(IMFSchemeHandler *iface)
{
struct scheme_handler *handler = impl_from_IMFSchemeHandler(iface);
ULONG refcount = InterlockedDecrement(&handler->refcount);
struct scheme_handler_result *result, *next;
TRACE("%p, refcount %lu.\n", iface, refcount);
if (!refcount)
{
LIST_FOR_EACH_ENTRY_SAFE(result, next, &handler->results, struct scheme_handler_result, entry)
{
list_remove(&result->entry);
IMFAsyncResult_Release(result->result);
if (result->object)
IUnknown_Release(result->object);
free(result);
}
DeleteCriticalSection(&handler->cs);
if (handler->resolver)
IMFSourceResolver_Release(handler->resolver);
free(handler);
}
return refcount;
}
struct create_object_context
{
IUnknown IUnknown_iface;
LONG refcount;
IPropertyStore *props;
WCHAR *url;
DWORD flags;
};
static struct create_object_context *impl_from_IUnknown(IUnknown *iface)
{
return CONTAINING_RECORD(iface, struct create_object_context, IUnknown_iface);
}
static HRESULT WINAPI create_object_context_QueryInterface(IUnknown *iface, REFIID riid, void **obj)
{
TRACE("%p, %s, %p.\n", iface, debugstr_guid(riid), obj);
if (IsEqualIID(riid, &IID_IUnknown))
{
*obj = iface;
IUnknown_AddRef(iface);
return S_OK;
}
WARN("Unsupported %s.\n", debugstr_guid(riid));
*obj = NULL;
return E_NOINTERFACE;
}
static ULONG WINAPI create_object_context_AddRef(IUnknown *iface)
{
struct create_object_context *context = impl_from_IUnknown(iface);
ULONG refcount = InterlockedIncrement(&context->refcount);
TRACE("%p, refcount %lu.\n", iface, refcount);
return refcount;
}
static ULONG WINAPI create_object_context_Release(IUnknown *iface)
{
struct create_object_context *context = impl_from_IUnknown(iface);
ULONG refcount = InterlockedDecrement(&context->refcount);
TRACE("%p, refcount %lu.\n", iface, refcount);
if (!refcount)
{
if (context->props)
IPropertyStore_Release(context->props);
free(context->url);
free(context);
}
return refcount;
}
static const IUnknownVtbl create_object_context_vtbl =
{
create_object_context_QueryInterface,
create_object_context_AddRef,
create_object_context_Release,
};
static HRESULT WINAPI scheme_handler_BeginCreateObject(IMFSchemeHandler *iface, const WCHAR *url, DWORD flags,
IPropertyStore *props, IUnknown **cancel_cookie, IMFAsyncCallback *callback, IUnknown *state)
{
struct scheme_handler *handler = impl_from_IMFSchemeHandler(iface);
struct create_object_context *context;
IMFAsyncResult *caller, *item;
HRESULT hr;
TRACE("%p, %s, %#lx, %p, %p, %p, %p.\n", iface, debugstr_w(url), flags, props, cancel_cookie, callback, state);
if (cancel_cookie)
*cancel_cookie = NULL;
if (FAILED(hr = MFCreateAsyncResult(NULL, callback, state, &caller)))
return hr;
if (!(context = malloc(sizeof(*context))))
{
IMFAsyncResult_Release(caller);
return E_OUTOFMEMORY;
}
context->IUnknown_iface.lpVtbl = &create_object_context_vtbl;
context->refcount = 1;
context->props = props;
if (context->props)
IPropertyStore_AddRef(context->props);
context->flags = flags;
context->url = wcsdup(url);
if (!context->url)
{
IMFAsyncResult_Release(caller);
IUnknown_Release(&context->IUnknown_iface);
return E_OUTOFMEMORY;
}
hr = MFCreateAsyncResult(&context->IUnknown_iface, &handler->IMFAsyncCallback_iface, (IUnknown *)caller, &item);
IUnknown_Release(&context->IUnknown_iface);
if (SUCCEEDED(hr))
{
if (SUCCEEDED(hr = MFPutWorkItemEx(MFASYNC_CALLBACK_QUEUE_IO, item)))
{
if (cancel_cookie)
{
*cancel_cookie = (IUnknown *)caller;
IUnknown_AddRef(*cancel_cookie);
}
}
IMFAsyncResult_Release(item);
}
IMFAsyncResult_Release(caller);
return hr;
}
static HRESULT WINAPI scheme_handler_EndCreateObject(IMFSchemeHandler *iface, IMFAsyncResult *result,
MF_OBJECT_TYPE *obj_type, IUnknown **object)
{
struct scheme_handler *handler = impl_from_IMFSchemeHandler(iface);
struct scheme_handler_result *found = NULL, *cur;
HRESULT hr;
TRACE("%p, %p, %p, %p.\n", iface, result, obj_type, object);
EnterCriticalSection(&handler->cs);
LIST_FOR_EACH_ENTRY(cur, &handler->results, struct scheme_handler_result, entry)
{
if (result == cur->result)
{
list_remove(&cur->entry);
found = cur;
break;
}
}
LeaveCriticalSection(&handler->cs);
if (found)
{
*obj_type = found->obj_type;
*object = found->object;
hr = IMFAsyncResult_GetStatus(found->result);
IMFAsyncResult_Release(found->result);
free(found);
}
else
{
*obj_type = MF_OBJECT_INVALID;
*object = NULL;
hr = MF_E_UNEXPECTED;
}
return hr;
}
static HRESULT WINAPI scheme_handler_CancelObjectCreation(IMFSchemeHandler *iface, IUnknown *cancel_cookie)
{
struct scheme_handler *handler = impl_from_IMFSchemeHandler(iface);
struct scheme_handler_result *found = NULL, *cur;
TRACE("%p, %p.\n", iface, cancel_cookie);
EnterCriticalSection(&handler->cs);
LIST_FOR_EACH_ENTRY(cur, &handler->results, struct scheme_handler_result, entry)
{
if (cancel_cookie == (IUnknown *)cur->result)
{
list_remove(&cur->entry);
found = cur;
break;
}
}
LeaveCriticalSection(&handler->cs);
if (found)
{
IMFAsyncResult_Release(found->result);
if (found->object)
IUnknown_Release(found->object);
free(found);
}
return found ? S_OK : MF_E_UNEXPECTED;
}
static const IMFSchemeHandlerVtbl scheme_handler_vtbl =
{
scheme_handler_QueryInterface,
scheme_handler_AddRef,
scheme_handler_Release,
scheme_handler_BeginCreateObject,
scheme_handler_EndCreateObject,
scheme_handler_CancelObjectCreation,
};
static HRESULT WINAPI scheme_handler_callback_QueryInterface(IMFAsyncCallback *iface, REFIID riid, void **obj)
{
if (IsEqualIID(riid, &IID_IMFAsyncCallback) ||
IsEqualIID(riid, &IID_IUnknown))
{
*obj = iface;
IMFAsyncCallback_AddRef(iface);
return S_OK;
}
WARN("Unsupported %s.\n", debugstr_guid(riid));
*obj = NULL;
return E_NOINTERFACE;
}
static ULONG WINAPI scheme_handler_callback_AddRef(IMFAsyncCallback *iface)
{
struct scheme_handler *handler = impl_from_IMFAsyncCallback(iface);
return IMFSchemeHandler_AddRef(&handler->IMFSchemeHandler_iface);
}
static ULONG WINAPI scheme_handler_callback_Release(IMFAsyncCallback *iface)
{
struct scheme_handler *handler = impl_from_IMFAsyncCallback(iface);
return IMFSchemeHandler_Release(&handler->IMFSchemeHandler_iface);
}
static HRESULT WINAPI scheme_handler_callback_GetParameters(IMFAsyncCallback *iface, DWORD *flags, DWORD *queue)
{
return E_NOTIMPL;
}
static HRESULT scheme_handler_get_resolver(struct scheme_handler *handler, IMFSourceResolver **resolver)
{
HRESULT hr;
if (!handler->resolver)
{
IMFSourceResolver *resolver;
if (FAILED(hr = MFCreateSourceResolver(&resolver)))
return hr;
if (InterlockedCompareExchangePointer((void **)&handler->resolver, resolver, NULL))
IMFSourceResolver_Release(resolver);
}
*resolver = handler->resolver;
IMFSourceResolver_AddRef(*resolver);
return S_OK;
}
static HRESULT WINAPI scheme_handler_callback_Invoke(IMFAsyncCallback *iface, IMFAsyncResult *result)
{
static const WCHAR schemeW[] = {'f','i','l','e',':','/','/'};
struct scheme_handler *handler = impl_from_IMFAsyncCallback(iface);
struct scheme_handler_result *handler_result;
MF_OBJECT_TYPE obj_type = MF_OBJECT_INVALID;
IUnknown *object = NULL, *context_object;
struct create_object_context *context;
IMFSourceResolver *resolver;
IMFAsyncResult *caller;
IMFByteStream *stream;
const WCHAR *url;
HRESULT hr;
caller = (IMFAsyncResult *)IMFAsyncResult_GetStateNoAddRef(result);
if (FAILED(hr = IMFAsyncResult_GetObject(result, &context_object)))
{
WARN("Expected context set for callee result.\n");
return hr;
}
context = impl_from_IUnknown(context_object);
/* Strip from scheme, MFCreateFile() won't be expecting it. */
url = context->url;
if (!wcsnicmp(context->url, schemeW, ARRAY_SIZE(schemeW)))
url += ARRAY_SIZE(schemeW);
hr = MFCreateFile(context->flags & MF_RESOLUTION_WRITE ? MF_ACCESSMODE_READWRITE : MF_ACCESSMODE_READ,
MF_OPENMODE_FAIL_IF_NOT_EXIST, MF_FILEFLAGS_NONE, url, &stream);
if (SUCCEEDED(hr))
{
if (context->flags & MF_RESOLUTION_MEDIASOURCE)
{
if (SUCCEEDED(hr = scheme_handler_get_resolver(handler, &resolver)))
{
hr = IMFSourceResolver_CreateObjectFromByteStream(resolver, stream, context->url, context->flags,
context->props, &obj_type, &object);
IMFSourceResolver_Release(resolver);
IMFByteStream_Release(stream);
}
}
else
{
object = (IUnknown *)stream;
obj_type = MF_OBJECT_BYTESTREAM;
}
}
handler_result = malloc(sizeof(*handler_result));
if (handler_result)
{
handler_result->result = caller;
IMFAsyncResult_AddRef(handler_result->result);
handler_result->obj_type = obj_type;
handler_result->object = object;
EnterCriticalSection(&handler->cs);
list_add_tail(&handler->results, &handler_result->entry);
LeaveCriticalSection(&handler->cs);
}
else
{
if (object)
IUnknown_Release(object);
hr = E_OUTOFMEMORY;
}
IUnknown_Release(&context->IUnknown_iface);
IMFAsyncResult_SetStatus(caller, hr);
MFInvokeCallback(caller);
return S_OK;
}
static const IMFAsyncCallbackVtbl scheme_handler_callback_vtbl =
{
scheme_handler_callback_QueryInterface,
scheme_handler_callback_AddRef,
scheme_handler_callback_Release,
scheme_handler_callback_GetParameters,
scheme_handler_callback_Invoke,
};
HRESULT file_scheme_handler_construct(REFIID riid, void **obj)
{
struct scheme_handler *handler;
HRESULT hr;
TRACE("%s, %p.\n", debugstr_guid(riid), obj);
if (!(handler = calloc(1, sizeof(*handler))))
return E_OUTOFMEMORY;
handler->IMFSchemeHandler_iface.lpVtbl = &scheme_handler_vtbl;
handler->IMFAsyncCallback_iface.lpVtbl = &scheme_handler_callback_vtbl;
handler->refcount = 1;
list_init(&handler->results);
InitializeCriticalSection(&handler->cs);
hr = IMFSchemeHandler_QueryInterface(&handler->IMFSchemeHandler_iface, riid, obj);
IMFSchemeHandler_Release(&handler->IMFSchemeHandler_iface);
return hr;
}
Markdown is supported
0% or
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment