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https://github.com/reactos/reactos.git
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923 lines
26 KiB
C
923 lines
26 KiB
C
/*
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* Memory Allocator and Media Sample Implementation
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*
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* Copyright 2003 Robert Shearman
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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 <assert.h>
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#include <limits.h>
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#include <stdarg.h>
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#include "windef.h"
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#include "winbase.h"
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#include "vfwmsgs.h"
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#include "quartz_private.h"
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#include "wine/debug.h"
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WINE_DEFAULT_DEBUG_CHANNEL(quartz);
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typedef struct StdMediaSample2
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{
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IMediaSample2 IMediaSample2_iface;
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LONG ref;
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AM_SAMPLE2_PROPERTIES props;
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IMemAllocator * pParent;
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struct list listentry;
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LONGLONG tMediaStart;
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LONGLONG tMediaEnd;
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} StdMediaSample2;
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typedef struct BaseMemAllocator
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{
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IMemAllocator IMemAllocator_iface;
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LONG ref;
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ALLOCATOR_PROPERTIES props;
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HRESULT (* fnAlloc) (IMemAllocator *);
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HRESULT (* fnFree)(IMemAllocator *);
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HRESULT (* fnVerify)(IMemAllocator *, ALLOCATOR_PROPERTIES *);
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HRESULT (* fnBufferPrepare)(IMemAllocator *, StdMediaSample2 *, DWORD flags);
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HRESULT (* fnBufferReleased)(IMemAllocator *, StdMediaSample2 *);
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void (* fnDestroyed)(IMemAllocator *);
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HANDLE hSemWaiting;
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BOOL bDecommitQueued;
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BOOL bCommitted;
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LONG lWaiting;
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struct list free_list;
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struct list used_list;
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CRITICAL_SECTION *pCritSect;
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} BaseMemAllocator;
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static inline BaseMemAllocator *impl_from_IMemAllocator(IMemAllocator *iface)
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{
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return CONTAINING_RECORD(iface, BaseMemAllocator, IMemAllocator_iface);
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}
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static const IMemAllocatorVtbl BaseMemAllocator_VTable;
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static const IMediaSample2Vtbl StdMediaSample2_VTable;
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static inline StdMediaSample2 *unsafe_impl_from_IMediaSample(IMediaSample * iface);
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#define AM_SAMPLE2_PROP_SIZE_WRITABLE FIELD_OFFSET(AM_SAMPLE2_PROPERTIES, pbBuffer)
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#define INVALID_MEDIA_TIME (((ULONGLONG)0x7fffffff << 32) | 0xffffffff)
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static HRESULT BaseMemAllocator_Init(HRESULT (* fnAlloc)(IMemAllocator *),
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HRESULT (* fnFree)(IMemAllocator *),
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HRESULT (* fnVerify)(IMemAllocator *, ALLOCATOR_PROPERTIES *),
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HRESULT (* fnBufferPrepare)(IMemAllocator *, StdMediaSample2 *, DWORD),
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HRESULT (* fnBufferReleased)(IMemAllocator *, StdMediaSample2 *),
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void (* fnDestroyed)(IMemAllocator *),
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CRITICAL_SECTION *pCritSect,
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BaseMemAllocator * pMemAlloc)
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{
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assert(fnAlloc && fnFree && fnDestroyed);
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pMemAlloc->IMemAllocator_iface.lpVtbl = &BaseMemAllocator_VTable;
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pMemAlloc->ref = 1;
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ZeroMemory(&pMemAlloc->props, sizeof(pMemAlloc->props));
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list_init(&pMemAlloc->free_list);
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list_init(&pMemAlloc->used_list);
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pMemAlloc->fnAlloc = fnAlloc;
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pMemAlloc->fnFree = fnFree;
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pMemAlloc->fnVerify = fnVerify;
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pMemAlloc->fnBufferPrepare = fnBufferPrepare;
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pMemAlloc->fnBufferReleased = fnBufferReleased;
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pMemAlloc->fnDestroyed = fnDestroyed;
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pMemAlloc->bDecommitQueued = FALSE;
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pMemAlloc->bCommitted = FALSE;
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pMemAlloc->hSemWaiting = NULL;
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pMemAlloc->lWaiting = 0;
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pMemAlloc->pCritSect = pCritSect;
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return S_OK;
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}
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static HRESULT WINAPI BaseMemAllocator_QueryInterface(IMemAllocator * iface, REFIID riid, LPVOID * ppv)
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{
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BaseMemAllocator *This = impl_from_IMemAllocator(iface);
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TRACE("(%p)->(%s, %p)\n", This, qzdebugstr_guid(riid), ppv);
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*ppv = NULL;
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if (IsEqualIID(riid, &IID_IUnknown))
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*ppv = &This->IMemAllocator_iface;
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else if (IsEqualIID(riid, &IID_IMemAllocator))
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*ppv = &This->IMemAllocator_iface;
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if (*ppv)
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{
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IUnknown_AddRef((IUnknown *)(*ppv));
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return S_OK;
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}
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FIXME("No interface for %s!\n", qzdebugstr_guid(riid));
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return E_NOINTERFACE;
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}
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static ULONG WINAPI BaseMemAllocator_AddRef(IMemAllocator * iface)
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{
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BaseMemAllocator *This = impl_from_IMemAllocator(iface);
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ULONG ref = InterlockedIncrement(&This->ref);
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TRACE("(%p)->() AddRef from %d\n", iface, ref - 1);
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return ref;
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}
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static ULONG WINAPI BaseMemAllocator_Release(IMemAllocator * iface)
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{
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BaseMemAllocator *This = impl_from_IMemAllocator(iface);
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ULONG ref = InterlockedDecrement(&This->ref);
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TRACE("(%p)->() Release from %d\n", iface, ref + 1);
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if (!ref)
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{
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CloseHandle(This->hSemWaiting);
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if (This->bCommitted)
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This->fnFree(iface);
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This->fnDestroyed(iface);
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return 0;
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}
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return ref;
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}
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static HRESULT WINAPI BaseMemAllocator_SetProperties(IMemAllocator * iface, ALLOCATOR_PROPERTIES *pRequest, ALLOCATOR_PROPERTIES *pActual)
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{
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BaseMemAllocator *This = impl_from_IMemAllocator(iface);
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HRESULT hr;
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TRACE("(%p)->(%p, %p)\n", This, pRequest, pActual);
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EnterCriticalSection(This->pCritSect);
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{
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if (!list_empty(&This->used_list))
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hr = VFW_E_BUFFERS_OUTSTANDING;
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else if (This->bCommitted)
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hr = VFW_E_ALREADY_COMMITTED;
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else if (pRequest->cbAlign == 0)
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hr = VFW_E_BADALIGN;
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else
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{
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if (This->fnVerify)
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hr = This->fnVerify(iface, pRequest);
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else
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hr = S_OK;
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if (SUCCEEDED(hr))
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This->props = *pRequest;
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*pActual = This->props;
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}
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}
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LeaveCriticalSection(This->pCritSect);
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return hr;
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}
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static HRESULT WINAPI BaseMemAllocator_GetProperties(IMemAllocator * iface, ALLOCATOR_PROPERTIES *pProps)
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{
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BaseMemAllocator *This = impl_from_IMemAllocator(iface);
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HRESULT hr = S_OK;
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TRACE("(%p)->(%p)\n", This, pProps);
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EnterCriticalSection(This->pCritSect);
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{
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memcpy(pProps, &This->props, sizeof(*pProps));
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}
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LeaveCriticalSection(This->pCritSect);
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return hr;
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}
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static HRESULT WINAPI BaseMemAllocator_Commit(IMemAllocator * iface)
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{
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BaseMemAllocator *This = impl_from_IMemAllocator(iface);
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HRESULT hr;
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TRACE("(%p)->()\n", This);
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EnterCriticalSection(This->pCritSect);
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{
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if (!This->props.cbAlign)
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hr = VFW_E_BADALIGN;
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else if (!This->props.cbBuffer)
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hr = VFW_E_SIZENOTSET;
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else if (!This->props.cBuffers)
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hr = VFW_E_BUFFER_NOTSET;
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else if (This->bDecommitQueued && This->bCommitted)
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{
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This->bDecommitQueued = FALSE;
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hr = S_OK;
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}
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else if (This->bCommitted)
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hr = S_OK;
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else
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{
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if (!(This->hSemWaiting = CreateSemaphoreW(NULL, This->props.cBuffers, This->props.cBuffers, NULL)))
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{
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ERR("Couldn't create semaphore (error was %u)\n", GetLastError());
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hr = HRESULT_FROM_WIN32(GetLastError());
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}
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else
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{
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hr = This->fnAlloc(iface);
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if (SUCCEEDED(hr))
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This->bCommitted = TRUE;
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else
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ERR("fnAlloc failed with error 0x%x\n", hr);
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}
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}
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}
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LeaveCriticalSection(This->pCritSect);
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return hr;
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}
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static HRESULT WINAPI BaseMemAllocator_Decommit(IMemAllocator * iface)
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{
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BaseMemAllocator *This = impl_from_IMemAllocator(iface);
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HRESULT hr;
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TRACE("(%p)->()\n", This);
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EnterCriticalSection(This->pCritSect);
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{
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if (!This->bCommitted)
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hr = S_OK;
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else
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{
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if (!list_empty(&This->used_list))
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{
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This->bDecommitQueued = TRUE;
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/* notify ALL waiting threads that they cannot be allocated a buffer any more */
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ReleaseSemaphore(This->hSemWaiting, This->lWaiting, NULL);
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hr = S_OK;
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}
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else
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{
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if (This->lWaiting != 0)
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ERR("Waiting: %d\n", This->lWaiting);
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This->bCommitted = FALSE;
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CloseHandle(This->hSemWaiting);
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This->hSemWaiting = NULL;
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hr = This->fnFree(iface);
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if (FAILED(hr))
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ERR("fnFree failed with error 0x%x\n", hr);
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}
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}
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}
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LeaveCriticalSection(This->pCritSect);
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return hr;
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}
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static HRESULT WINAPI BaseMemAllocator_GetBuffer(IMemAllocator * iface, IMediaSample ** pSample, REFERENCE_TIME *pStartTime, REFERENCE_TIME *pEndTime, DWORD dwFlags)
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{
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BaseMemAllocator *This = impl_from_IMemAllocator(iface);
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HRESULT hr = S_OK;
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/* NOTE: The pStartTime and pEndTime parameters are not applied to the sample.
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* The allocator might use these values to determine which buffer it retrieves */
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TRACE("(%p)->(%p, %p, %p, %x)\n", This, pSample, pStartTime, pEndTime, dwFlags);
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*pSample = NULL;
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EnterCriticalSection(This->pCritSect);
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if (!This->bCommitted || This->bDecommitQueued)
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{
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WARN("Not committed\n");
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hr = VFW_E_NOT_COMMITTED;
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}
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else
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++This->lWaiting;
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LeaveCriticalSection(This->pCritSect);
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if (FAILED(hr))
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return hr;
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if (WaitForSingleObject(This->hSemWaiting, (dwFlags & AM_GBF_NOWAIT) ? 0 : INFINITE) != WAIT_OBJECT_0)
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{
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EnterCriticalSection(This->pCritSect);
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--This->lWaiting;
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LeaveCriticalSection(This->pCritSect);
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WARN("Timed out\n");
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return VFW_E_TIMEOUT;
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}
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EnterCriticalSection(This->pCritSect);
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{
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--This->lWaiting;
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if (!This->bCommitted)
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hr = VFW_E_NOT_COMMITTED;
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else if (This->bDecommitQueued)
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hr = VFW_E_TIMEOUT;
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else
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{
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StdMediaSample2 *ms;
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struct list * free = list_head(&This->free_list);
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list_remove(free);
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list_add_head(&This->used_list, free);
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ms = LIST_ENTRY(free, StdMediaSample2, listentry);
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assert(ms->ref == 0);
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*pSample = (IMediaSample *)&ms->IMediaSample2_iface;
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IMediaSample_AddRef(*pSample);
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}
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}
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LeaveCriticalSection(This->pCritSect);
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if (hr != S_OK)
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WARN("%08x\n", hr);
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return hr;
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}
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static HRESULT WINAPI BaseMemAllocator_ReleaseBuffer(IMemAllocator * iface, IMediaSample * pSample)
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{
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BaseMemAllocator *This = impl_from_IMemAllocator(iface);
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StdMediaSample2 * pStdSample = unsafe_impl_from_IMediaSample(pSample);
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HRESULT hr = S_OK;
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TRACE("(%p)->(%p)\n", This, pSample);
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/* FIXME: make sure that sample is currently on the used list */
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/* FIXME: we should probably check the ref count on the sample before freeing
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* it to make sure that it is not still in use */
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EnterCriticalSection(This->pCritSect);
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{
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if (!This->bCommitted)
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ERR("Releasing a buffer when the allocator is not committed?!?\n");
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/* remove from used_list */
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list_remove(&pStdSample->listentry);
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list_add_head(&This->free_list, &pStdSample->listentry);
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if (list_empty(&This->used_list) && This->bDecommitQueued && This->bCommitted)
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{
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HRESULT hrfree;
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if (This->lWaiting != 0)
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ERR("Waiting: %d\n", This->lWaiting);
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This->bCommitted = FALSE;
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This->bDecommitQueued = FALSE;
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CloseHandle(This->hSemWaiting);
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This->hSemWaiting = NULL;
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if (FAILED(hrfree = This->fnFree(iface)))
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ERR("fnFree failed with error 0x%x\n", hrfree);
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}
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}
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LeaveCriticalSection(This->pCritSect);
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/* notify a waiting thread that there is now a free buffer */
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if (This->hSemWaiting && !ReleaseSemaphore(This->hSemWaiting, 1, NULL))
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{
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ERR("ReleaseSemaphore failed with error %u\n", GetLastError());
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hr = HRESULT_FROM_WIN32(GetLastError());
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}
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return hr;
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}
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static const IMemAllocatorVtbl BaseMemAllocator_VTable =
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{
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BaseMemAllocator_QueryInterface,
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BaseMemAllocator_AddRef,
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BaseMemAllocator_Release,
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BaseMemAllocator_SetProperties,
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BaseMemAllocator_GetProperties,
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BaseMemAllocator_Commit,
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BaseMemAllocator_Decommit,
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BaseMemAllocator_GetBuffer,
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BaseMemAllocator_ReleaseBuffer
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};
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static HRESULT StdMediaSample2_Construct(BYTE * pbBuffer, LONG cbBuffer, IMemAllocator * pParent, StdMediaSample2 ** ppSample)
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{
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assert(pbBuffer && pParent && (cbBuffer > 0));
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if (!(*ppSample = CoTaskMemAlloc(sizeof(StdMediaSample2))))
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return E_OUTOFMEMORY;
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(*ppSample)->IMediaSample2_iface.lpVtbl = &StdMediaSample2_VTable;
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(*ppSample)->ref = 0;
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ZeroMemory(&(*ppSample)->props, sizeof((*ppSample)->props));
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/* NOTE: no need to AddRef as the parent is guaranteed to be around
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* at least as long as us and we don't want to create circular
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* dependencies on the ref count */
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(*ppSample)->pParent = pParent;
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(*ppSample)->props.cbData = sizeof(AM_SAMPLE2_PROPERTIES);
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(*ppSample)->props.cbBuffer = (*ppSample)->props.lActual = cbBuffer;
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(*ppSample)->props.pbBuffer = pbBuffer;
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(*ppSample)->tMediaStart = INVALID_MEDIA_TIME;
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(*ppSample)->tMediaEnd = 0;
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return S_OK;
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}
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static void StdMediaSample2_Delete(StdMediaSample2 * This)
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{
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/* NOTE: does not remove itself from the list it belongs to */
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CoTaskMemFree(This);
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}
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static inline StdMediaSample2 *impl_from_IMediaSample2(IMediaSample2 * iface)
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{
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return CONTAINING_RECORD(iface, StdMediaSample2, IMediaSample2_iface);
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}
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static HRESULT WINAPI StdMediaSample2_QueryInterface(IMediaSample2 * iface, REFIID riid, void ** ppv)
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{
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TRACE("(%s, %p)\n", qzdebugstr_guid(riid), ppv);
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*ppv = NULL;
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if (IsEqualIID(riid, &IID_IUnknown) || IsEqualIID(riid, &IID_IMediaSample) ||
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IsEqualIID(riid, &IID_IMediaSample2))
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{
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*ppv = iface;
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IMediaSample2_AddRef(iface);
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return S_OK;
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}
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FIXME("No interface for %s!\n", qzdebugstr_guid(riid));
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return E_NOINTERFACE;
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}
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static ULONG WINAPI StdMediaSample2_AddRef(IMediaSample2 * iface)
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{
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StdMediaSample2 *This = impl_from_IMediaSample2(iface);
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ULONG ref = InterlockedIncrement(&This->ref);
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TRACE("(%p)->(): new ref = %d\n", This, ref);
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return ref;
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}
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static ULONG WINAPI StdMediaSample2_Release(IMediaSample2 * iface)
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{
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StdMediaSample2 *This = impl_from_IMediaSample2(iface);
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ULONG ref = InterlockedDecrement(&This->ref);
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TRACE("(%p)->(): new ref = %d\n", This, ref);
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if (!ref)
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{
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if (This->pParent)
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IMemAllocator_ReleaseBuffer(This->pParent, (IMediaSample *)iface);
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else
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StdMediaSample2_Delete(This);
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}
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return ref;
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}
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static HRESULT WINAPI StdMediaSample2_GetPointer(IMediaSample2 * iface, BYTE ** ppBuffer)
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{
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StdMediaSample2 *This = impl_from_IMediaSample2(iface);
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TRACE("(%p)->(%p)\n", iface, ppBuffer);
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*ppBuffer = This->props.pbBuffer;
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if (!*ppBuffer)
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{
|
|
ERR("Requested an unlocked surface and trying to lock regardless\n");
|
|
return E_FAIL;
|
|
}
|
|
|
|
return S_OK;
|
|
}
|
|
|
|
static LONG WINAPI StdMediaSample2_GetSize(IMediaSample2 * iface)
|
|
{
|
|
StdMediaSample2 *This = impl_from_IMediaSample2(iface);
|
|
|
|
TRACE("StdMediaSample2_GetSize()\n");
|
|
|
|
return This->props.cbBuffer;
|
|
}
|
|
|
|
static HRESULT WINAPI StdMediaSample2_GetTime(IMediaSample2 * iface, REFERENCE_TIME * pStart, REFERENCE_TIME * pEnd)
|
|
{
|
|
StdMediaSample2 *This = impl_from_IMediaSample2(iface);
|
|
HRESULT hr;
|
|
|
|
TRACE("(%p)->(%p, %p)\n", iface, pStart, pEnd);
|
|
|
|
if (!(This->props.dwSampleFlags & AM_SAMPLE_TIMEVALID))
|
|
hr = VFW_E_SAMPLE_TIME_NOT_SET;
|
|
else if (!(This->props.dwSampleFlags & AM_SAMPLE_STOPVALID))
|
|
{
|
|
*pStart = This->props.tStart;
|
|
*pEnd = This->props.tStart + 1;
|
|
|
|
hr = VFW_S_NO_STOP_TIME;
|
|
}
|
|
else
|
|
{
|
|
*pStart = This->props.tStart;
|
|
*pEnd = This->props.tStop;
|
|
|
|
hr = S_OK;
|
|
}
|
|
|
|
return hr;
|
|
}
|
|
|
|
static HRESULT WINAPI StdMediaSample2_SetTime(IMediaSample2 * iface, REFERENCE_TIME * pStart, REFERENCE_TIME * pEnd)
|
|
{
|
|
StdMediaSample2 *This = impl_from_IMediaSample2(iface);
|
|
|
|
TRACE("(%p)->(%p, %p)\n", iface, pStart, pEnd);
|
|
|
|
if (pStart)
|
|
{
|
|
This->props.tStart = *pStart;
|
|
This->props.dwSampleFlags |= AM_SAMPLE_TIMEVALID;
|
|
}
|
|
else
|
|
This->props.dwSampleFlags &= ~AM_SAMPLE_TIMEVALID;
|
|
|
|
if (pEnd)
|
|
{
|
|
This->props.tStop = *pEnd;
|
|
This->props.dwSampleFlags |= AM_SAMPLE_STOPVALID;
|
|
}
|
|
else
|
|
This->props.dwSampleFlags &= ~AM_SAMPLE_STOPVALID;
|
|
|
|
return S_OK;
|
|
}
|
|
|
|
static HRESULT WINAPI StdMediaSample2_IsSyncPoint(IMediaSample2 * iface)
|
|
{
|
|
StdMediaSample2 *This = impl_from_IMediaSample2(iface);
|
|
|
|
TRACE("(%p)->()\n", iface);
|
|
|
|
return (This->props.dwSampleFlags & AM_SAMPLE_SPLICEPOINT) ? S_OK : S_FALSE;
|
|
}
|
|
|
|
static HRESULT WINAPI StdMediaSample2_SetSyncPoint(IMediaSample2 * iface, BOOL bIsSyncPoint)
|
|
{
|
|
StdMediaSample2 *This = impl_from_IMediaSample2(iface);
|
|
|
|
TRACE("(%p)->(%s)\n", iface, bIsSyncPoint ? "TRUE" : "FALSE");
|
|
|
|
if (bIsSyncPoint)
|
|
This->props.dwSampleFlags |= AM_SAMPLE_SPLICEPOINT;
|
|
else
|
|
This->props.dwSampleFlags &= ~AM_SAMPLE_SPLICEPOINT;
|
|
|
|
return S_OK;
|
|
}
|
|
|
|
static HRESULT WINAPI StdMediaSample2_IsPreroll(IMediaSample2 * iface)
|
|
{
|
|
StdMediaSample2 *This = impl_from_IMediaSample2(iface);
|
|
|
|
TRACE("(%p)->()\n", iface);
|
|
|
|
return (This->props.dwSampleFlags & AM_SAMPLE_PREROLL) ? S_OK : S_FALSE;
|
|
}
|
|
|
|
static HRESULT WINAPI StdMediaSample2_SetPreroll(IMediaSample2 * iface, BOOL bIsPreroll)
|
|
{
|
|
StdMediaSample2 *This = impl_from_IMediaSample2(iface);
|
|
|
|
TRACE("(%p)->(%s)\n", iface, bIsPreroll ? "TRUE" : "FALSE");
|
|
|
|
if (bIsPreroll)
|
|
This->props.dwSampleFlags |= AM_SAMPLE_PREROLL;
|
|
else
|
|
This->props.dwSampleFlags &= ~AM_SAMPLE_PREROLL;
|
|
|
|
return S_OK;
|
|
}
|
|
|
|
static LONG WINAPI StdMediaSample2_GetActualDataLength(IMediaSample2 * iface)
|
|
{
|
|
StdMediaSample2 *This = impl_from_IMediaSample2(iface);
|
|
|
|
TRACE("(%p)->()\n", iface);
|
|
|
|
return This->props.lActual;
|
|
}
|
|
|
|
static HRESULT WINAPI StdMediaSample2_SetActualDataLength(IMediaSample2 * iface, LONG len)
|
|
{
|
|
StdMediaSample2 *This = impl_from_IMediaSample2(iface);
|
|
|
|
TRACE("(%p)->(%d)\n", iface, len);
|
|
|
|
if ((len > This->props.cbBuffer) || (len < 0))
|
|
{
|
|
WARN("Tried to set length to %d, while max is %d\n", len, This->props.cbBuffer);
|
|
return VFW_E_BUFFER_OVERFLOW;
|
|
}
|
|
else
|
|
{
|
|
This->props.lActual = len;
|
|
return S_OK;
|
|
}
|
|
}
|
|
|
|
static HRESULT WINAPI StdMediaSample2_GetMediaType(IMediaSample2 * iface, AM_MEDIA_TYPE ** ppMediaType)
|
|
{
|
|
StdMediaSample2 *This = impl_from_IMediaSample2(iface);
|
|
|
|
TRACE("(%p)->(%p)\n", iface, ppMediaType);
|
|
|
|
if (!This->props.pMediaType) {
|
|
/* Make sure we return a NULL pointer (required by native Quartz dll) */
|
|
if (ppMediaType)
|
|
*ppMediaType = NULL;
|
|
return S_FALSE;
|
|
}
|
|
|
|
if (!(*ppMediaType = CoTaskMemAlloc(sizeof(AM_MEDIA_TYPE))))
|
|
return E_OUTOFMEMORY;
|
|
|
|
return CopyMediaType(*ppMediaType, This->props.pMediaType);
|
|
}
|
|
|
|
static HRESULT WINAPI StdMediaSample2_SetMediaType(IMediaSample2 * iface, AM_MEDIA_TYPE * pMediaType)
|
|
{
|
|
StdMediaSample2 *This = impl_from_IMediaSample2(iface);
|
|
|
|
TRACE("(%p)->(%p)\n", iface, pMediaType);
|
|
|
|
if (This->props.pMediaType)
|
|
{
|
|
FreeMediaType(This->props.pMediaType);
|
|
This->props.pMediaType = NULL;
|
|
}
|
|
if (!pMediaType)
|
|
return S_FALSE;
|
|
if (!(This->props.pMediaType = CoTaskMemAlloc(sizeof(AM_MEDIA_TYPE))))
|
|
return E_OUTOFMEMORY;
|
|
|
|
return CopyMediaType(This->props.pMediaType, pMediaType);
|
|
}
|
|
|
|
static HRESULT WINAPI StdMediaSample2_IsDiscontinuity(IMediaSample2 * iface)
|
|
{
|
|
StdMediaSample2 *This = impl_from_IMediaSample2(iface);
|
|
|
|
TRACE("(%p)->()\n", iface);
|
|
|
|
return (This->props.dwSampleFlags & AM_SAMPLE_DATADISCONTINUITY) ? S_OK : S_FALSE;
|
|
}
|
|
|
|
static HRESULT WINAPI StdMediaSample2_SetDiscontinuity(IMediaSample2 * iface, BOOL bIsDiscontinuity)
|
|
{
|
|
StdMediaSample2 *This = impl_from_IMediaSample2(iface);
|
|
|
|
TRACE("(%p)->(%s)\n", iface, bIsDiscontinuity ? "TRUE" : "FALSE");
|
|
|
|
if (bIsDiscontinuity)
|
|
This->props.dwSampleFlags |= AM_SAMPLE_DATADISCONTINUITY;
|
|
else
|
|
This->props.dwSampleFlags &= ~AM_SAMPLE_DATADISCONTINUITY;
|
|
|
|
return S_OK;
|
|
}
|
|
|
|
static HRESULT WINAPI StdMediaSample2_GetMediaTime(IMediaSample2 * iface, LONGLONG * pStart, LONGLONG * pEnd)
|
|
{
|
|
StdMediaSample2 *This = impl_from_IMediaSample2(iface);
|
|
|
|
TRACE("(%p)->(%p, %p)\n", iface, pStart, pEnd);
|
|
|
|
if (This->tMediaStart == INVALID_MEDIA_TIME)
|
|
return VFW_E_MEDIA_TIME_NOT_SET;
|
|
|
|
*pStart = This->tMediaStart;
|
|
*pEnd = This->tMediaEnd;
|
|
|
|
return S_OK;
|
|
}
|
|
|
|
static HRESULT WINAPI StdMediaSample2_SetMediaTime(IMediaSample2 * iface, LONGLONG * pStart, LONGLONG * pEnd)
|
|
{
|
|
StdMediaSample2 *This = impl_from_IMediaSample2(iface);
|
|
|
|
TRACE("(%p)->(%p, %p)\n", iface, pStart, pEnd);
|
|
|
|
if (pStart)
|
|
This->tMediaStart = *pStart;
|
|
else
|
|
This->tMediaStart = INVALID_MEDIA_TIME;
|
|
|
|
if (pEnd)
|
|
This->tMediaEnd = *pEnd;
|
|
else
|
|
This->tMediaEnd = 0;
|
|
|
|
return S_OK;
|
|
}
|
|
|
|
static HRESULT WINAPI StdMediaSample2_GetProperties(IMediaSample2 * iface, DWORD cbProperties, BYTE * pbProperties)
|
|
{
|
|
StdMediaSample2 *This = impl_from_IMediaSample2(iface);
|
|
|
|
TRACE("(%p)->(%d, %p)\n", iface, cbProperties, pbProperties);
|
|
|
|
memcpy(pbProperties, &This->props, min(cbProperties, sizeof(This->props)));
|
|
|
|
return S_OK;
|
|
}
|
|
|
|
static HRESULT WINAPI StdMediaSample2_SetProperties(IMediaSample2 * iface, DWORD cbProperties, const BYTE * pbProperties)
|
|
{
|
|
StdMediaSample2 *This = impl_from_IMediaSample2(iface);
|
|
|
|
TRACE("(%p)->(%d, %p)\n", iface, cbProperties, pbProperties);
|
|
|
|
/* NOTE: pbBuffer and cbBuffer are read-only */
|
|
memcpy(&This->props, pbProperties, min(cbProperties, AM_SAMPLE2_PROP_SIZE_WRITABLE));
|
|
|
|
return S_OK;
|
|
}
|
|
|
|
static const IMediaSample2Vtbl StdMediaSample2_VTable =
|
|
{
|
|
StdMediaSample2_QueryInterface,
|
|
StdMediaSample2_AddRef,
|
|
StdMediaSample2_Release,
|
|
StdMediaSample2_GetPointer,
|
|
StdMediaSample2_GetSize,
|
|
StdMediaSample2_GetTime,
|
|
StdMediaSample2_SetTime,
|
|
StdMediaSample2_IsSyncPoint,
|
|
StdMediaSample2_SetSyncPoint,
|
|
StdMediaSample2_IsPreroll,
|
|
StdMediaSample2_SetPreroll,
|
|
StdMediaSample2_GetActualDataLength,
|
|
StdMediaSample2_SetActualDataLength,
|
|
StdMediaSample2_GetMediaType,
|
|
StdMediaSample2_SetMediaType,
|
|
StdMediaSample2_IsDiscontinuity,
|
|
StdMediaSample2_SetDiscontinuity,
|
|
StdMediaSample2_GetMediaTime,
|
|
StdMediaSample2_SetMediaTime,
|
|
StdMediaSample2_GetProperties,
|
|
StdMediaSample2_SetProperties
|
|
};
|
|
|
|
static inline StdMediaSample2 *unsafe_impl_from_IMediaSample(IMediaSample * iface)
|
|
{
|
|
IMediaSample2 *iface2 = (IMediaSample2 *)iface;
|
|
|
|
if (!iface)
|
|
return NULL;
|
|
assert(iface2->lpVtbl == &StdMediaSample2_VTable);
|
|
return impl_from_IMediaSample2(iface2);
|
|
}
|
|
|
|
typedef struct StdMemAllocator
|
|
{
|
|
BaseMemAllocator base;
|
|
CRITICAL_SECTION csState;
|
|
LPVOID pMemory;
|
|
} StdMemAllocator;
|
|
|
|
static inline StdMemAllocator *StdMemAllocator_from_IMemAllocator(IMemAllocator * iface)
|
|
{
|
|
return CONTAINING_RECORD(iface, StdMemAllocator, base.IMemAllocator_iface);
|
|
}
|
|
|
|
static HRESULT StdMemAllocator_Alloc(IMemAllocator * iface)
|
|
{
|
|
StdMemAllocator *This = StdMemAllocator_from_IMemAllocator(iface);
|
|
StdMediaSample2 * pSample = NULL;
|
|
SYSTEM_INFO si;
|
|
LONG i;
|
|
|
|
assert(list_empty(&This->base.free_list));
|
|
|
|
/* check alignment */
|
|
GetSystemInfo(&si);
|
|
|
|
/* we do not allow a courser alignment than the OS page size */
|
|
if ((si.dwPageSize % This->base.props.cbAlign) != 0)
|
|
return VFW_E_BADALIGN;
|
|
|
|
/* FIXME: each sample has to have its buffer start on the right alignment.
|
|
* We don't do this at the moment */
|
|
|
|
/* allocate memory */
|
|
This->pMemory = VirtualAlloc(NULL, (This->base.props.cbBuffer + This->base.props.cbPrefix) * This->base.props.cBuffers, MEM_COMMIT, PAGE_READWRITE);
|
|
|
|
if (!This->pMemory)
|
|
return E_OUTOFMEMORY;
|
|
|
|
for (i = This->base.props.cBuffers - 1; i >= 0; i--)
|
|
{
|
|
/* pbBuffer does not start at the base address, it starts at base + cbPrefix */
|
|
BYTE * pbBuffer = (BYTE *)This->pMemory + i * (This->base.props.cbBuffer + This->base.props.cbPrefix) + This->base.props.cbPrefix;
|
|
|
|
StdMediaSample2_Construct(pbBuffer, This->base.props.cbBuffer, iface, &pSample);
|
|
|
|
list_add_head(&This->base.free_list, &pSample->listentry);
|
|
}
|
|
|
|
return S_OK;
|
|
}
|
|
|
|
static HRESULT StdMemAllocator_Free(IMemAllocator * iface)
|
|
{
|
|
StdMemAllocator *This = StdMemAllocator_from_IMemAllocator(iface);
|
|
struct list * cursor;
|
|
|
|
if (!list_empty(&This->base.used_list))
|
|
{
|
|
WARN("Freeing allocator with outstanding samples!\n");
|
|
while ((cursor = list_head(&This->base.used_list)) != NULL)
|
|
{
|
|
StdMediaSample2 *pSample;
|
|
list_remove(cursor);
|
|
pSample = LIST_ENTRY(cursor, StdMediaSample2, listentry);
|
|
pSample->pParent = NULL;
|
|
}
|
|
}
|
|
|
|
while ((cursor = list_head(&This->base.free_list)) != NULL)
|
|
{
|
|
list_remove(cursor);
|
|
StdMediaSample2_Delete(LIST_ENTRY(cursor, StdMediaSample2, listentry));
|
|
}
|
|
|
|
/* free memory */
|
|
if (!VirtualFree(This->pMemory, 0, MEM_RELEASE))
|
|
{
|
|
ERR("Couldn't free memory. Error: %u\n", GetLastError());
|
|
return HRESULT_FROM_WIN32(GetLastError());
|
|
}
|
|
|
|
return S_OK;
|
|
}
|
|
|
|
static void StdMemAllocator_Destroy(IMemAllocator *iface)
|
|
{
|
|
StdMemAllocator *This = StdMemAllocator_from_IMemAllocator(iface);
|
|
|
|
This->csState.DebugInfo->Spare[0] = 0;
|
|
DeleteCriticalSection(&This->csState);
|
|
|
|
CoTaskMemFree(This);
|
|
}
|
|
|
|
HRESULT StdMemAllocator_create(LPUNKNOWN lpUnkOuter, LPVOID * ppv)
|
|
{
|
|
StdMemAllocator * pMemAlloc;
|
|
HRESULT hr;
|
|
|
|
*ppv = NULL;
|
|
|
|
if (lpUnkOuter)
|
|
return CLASS_E_NOAGGREGATION;
|
|
|
|
if (!(pMemAlloc = CoTaskMemAlloc(sizeof(*pMemAlloc))))
|
|
return E_OUTOFMEMORY;
|
|
|
|
InitializeCriticalSection(&pMemAlloc->csState);
|
|
pMemAlloc->csState.DebugInfo->Spare[0] = (DWORD_PTR)(__FILE__ ": StdMemAllocator.csState");
|
|
|
|
pMemAlloc->pMemory = NULL;
|
|
|
|
if (SUCCEEDED(hr = BaseMemAllocator_Init(StdMemAllocator_Alloc, StdMemAllocator_Free, NULL, NULL, NULL, StdMemAllocator_Destroy, &pMemAlloc->csState, &pMemAlloc->base)))
|
|
*ppv = pMemAlloc;
|
|
else
|
|
CoTaskMemFree(pMemAlloc);
|
|
|
|
return hr;
|
|
}
|