Implemented IMemAllocator and IMediaSample.
This commit is contained in:
Robert Shearman
Alexandre Julliard
parent
ef5f6c7fad
commit
8e538a3dca
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@ -17,6 +17,7 @@ C_SRCS = \
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filtergraph.c \
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filtermapper.c \
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main.c \
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memallocator.c \
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pin.c \
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regsvr.c
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@ -24,11 +24,27 @@
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WINE_DEFAULT_DEBUG_CHANNEL(quartz);
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void CopyMediaType(AM_MEDIA_TYPE * pDest, const AM_MEDIA_TYPE *pSrc)
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HRESULT CopyMediaType(AM_MEDIA_TYPE * pDest, const AM_MEDIA_TYPE *pSrc)
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{
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memcpy(pDest, pSrc, sizeof(AM_MEDIA_TYPE));
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pDest->pbFormat = CoTaskMemAlloc(pSrc->cbFormat);
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if (!(pDest->pbFormat = CoTaskMemAlloc(pSrc->cbFormat)))
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return E_OUTOFMEMORY;
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memcpy(pDest->pbFormat, pSrc->pbFormat, pSrc->cbFormat);
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return S_OK;
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}
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void DeleteMediaType(AM_MEDIA_TYPE * pMediaType)
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{
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if (pMediaType->pbFormat)
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{
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CoTaskMemFree(pMediaType->pbFormat);
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pMediaType->pbFormat = NULL;
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}
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if (pMediaType->pUnk)
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{
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IUnknown_Release(pMediaType->pUnk);
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pMediaType->pUnk = NULL;
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}
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}
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BOOL CompareMediaTypes(const AM_MEDIA_TYPE * pmt1, const AM_MEDIA_TYPE * pmt2, BOOL bWildcards)
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@ -64,6 +64,7 @@ static const struct object_creation_info object_creation[] =
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{ &CLSID_FilterMapper, FilterMapper2_create },
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{ &CLSID_FilterMapper2, FilterMapper2_create },
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{ &CLSID_AsyncReader, AsyncReader_create },
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{ &CLSID_MemoryAllocator, StdMemAllocator_create },
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};
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static HRESULT WINAPI
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@ -0,0 +1,849 @@
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/*
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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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 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/list.h"
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#include "wine/debug.h"
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WINE_DEFAULT_DEBUG_CHANNEL(quartz);
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void dump_AM_SAMPLE2_PROPERTIES(AM_SAMPLE2_PROPERTIES * pProps)
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{
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if (!pProps)
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{
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TRACE("AM_SAMPLE2_PROPERTIES: (null)\n");
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return;
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}
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TRACE("\tcbData: %ld\n", pProps->cbData);
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TRACE("\tdwTypeSpecificFlags: 0x%8lx\n", pProps->dwTypeSpecificFlags);
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TRACE("\tdwSampleFlags: 0x%8lx\n", pProps->dwSampleFlags);
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TRACE("\tlActual: %ld\n", pProps->lActual);
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TRACE("\ttStart: %lx%08lx%s\n", (LONG)(pProps->tStart >> 32), (LONG)pProps->tStart, pProps->dwSampleFlags & AM_SAMPLE_TIMEVALID ? "" : " (not valid)");
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TRACE("\ttStop: %lx%08lx%s\n", (LONG)(pProps->tStop >> 32), (LONG)pProps->tStop, pProps->dwSampleFlags & AM_SAMPLE_STOPVALID ? "" : " (not valid)");
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TRACE("\tdwStreamId: 0x%lx\n", pProps->dwStreamId);
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TRACE("\tpMediaType: %p\n", pProps->pMediaType);
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TRACE("\tpbBuffer: %p\n", pProps->pbBuffer);
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TRACE("\tcbBuffer: %ld\n", pProps->cbBuffer);
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}
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typedef struct BaseMemAllocator
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{
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const IMemAllocatorVtbl * lpVtbl;
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ULONG ref;
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ALLOCATOR_PROPERTIES * pProps;
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CRITICAL_SECTION csState;
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HRESULT (* fnAlloc) (IMemAllocator *);
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HRESULT (* fnFree)(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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} BaseMemAllocator;
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typedef struct StdMediaSample2
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{
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const IMediaSample2Vtbl * lpvtbl;
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ULONG 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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static const struct IMemAllocatorVtbl BaseMemAllocator_VTable;
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static const struct IMediaSample2Vtbl StdMediaSample2_VTable;
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#define AM_SAMPLE2_PROP_SIZE_WRITABLE (unsigned int)(&((AM_SAMPLE2_PROPERTIES *)0)->pbBuffer)
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#ifdef _I64_MAX
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#define INVALID_MEDIA_TIME _I64_MAX
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#else
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#define INVALID_MEDIA_TIME ((long long)(~0ull >> 1))
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#endif
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static HRESULT BaseMemAllocator_Init(HRESULT (* fnAlloc)(IMemAllocator *), HRESULT (* fnFree)(IMemAllocator *), BaseMemAllocator * pMemAlloc)
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{
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assert(fnAlloc && fnFree);
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pMemAlloc->lpVtbl = &BaseMemAllocator_VTable;
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pMemAlloc->ref = 0;
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pMemAlloc->pProps = NULL;
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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->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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InitializeCriticalSection(&pMemAlloc->csState);
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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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ICOM_THIS(BaseMemAllocator, iface);
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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))
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*ppv = (LPVOID)This;
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else if (IsEqualIID(riid, &IID_IMemAllocator))
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*ppv = (LPVOID)This;
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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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ICOM_THIS(BaseMemAllocator, iface);
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TRACE("()\n");
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return InterlockedIncrement(&This->ref);
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}
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static ULONG WINAPI BaseMemAllocator_Release(IMemAllocator * iface)
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{
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ICOM_THIS(BaseMemAllocator, iface);
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TRACE("()\n");
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if (!InterlockedDecrement(&This->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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if (This->pProps)
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HeapFree(GetProcessHeap(), 0, This->pProps);
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CoTaskMemFree(This);
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return 0;
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}
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return This->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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ICOM_THIS(BaseMemAllocator, iface);
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HRESULT hr;
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TRACE("(%p, %p)\n", pRequest, pActual);
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EnterCriticalSection(&This->csState);
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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
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{
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if (!This->pProps)
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This->pProps = HeapAlloc(GetProcessHeap(), 0, sizeof(*This->pProps));
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if (!This->pProps)
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hr = E_OUTOFMEMORY;
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else
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{
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memcpy(This->pProps, pRequest, sizeof(*This->pProps));
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memcpy(pActual, pRequest, sizeof(*pActual));
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hr = S_OK;
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}
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}
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}
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LeaveCriticalSection(&This->csState);
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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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ICOM_THIS(BaseMemAllocator, iface);
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HRESULT hr = S_OK;
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TRACE("(%p)\n", pProps);
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EnterCriticalSection(&This->csState);
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{
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/* NOTE: this is different from the native version.
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* It would silently succeed if the properties had
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* not been set, but would fail further on down the
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* line with some obscure error like having an
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* invalid alignment. Whether or not our version
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* will cause any problems remains to be seen */
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if (!This->pProps)
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hr = VFW_E_SIZENOTSET;
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else
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memcpy(pProps, This->pProps, sizeof(*pProps));
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}
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LeaveCriticalSection(&This->csState);
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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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ICOM_THIS(BaseMemAllocator, iface);
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HRESULT hr;
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TRACE("()\n");
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EnterCriticalSection(&This->csState);
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{
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if (!This->pProps)
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hr = VFW_E_SIZENOTSET;
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else if (This->bCommitted)
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hr = VFW_E_ALREADY_COMMITTED;
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else if (This->bDecommitQueued)
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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
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{
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if (!(This->hSemWaiting = CreateSemaphoreW(NULL, This->pProps->cBuffers, This->pProps->cBuffers, NULL)))
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{
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ERR("Couldn't create semaphore (error was %ld)\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%lx\n", hr);
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}
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}
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}
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LeaveCriticalSection(&This->csState);
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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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ICOM_THIS(BaseMemAllocator, iface);
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HRESULT hr;
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TRACE("()\n");
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EnterCriticalSection(&This->csState);
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{
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if (!This->bCommitted)
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hr = VFW_E_NOT_COMMITTED;
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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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assert(This->lWaiting == 0);
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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%lx\n", hr);
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}
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}
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}
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LeaveCriticalSection(&This->csState);
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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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ICOM_THIS(BaseMemAllocator, 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, %lx)\n", pSample, pStartTime, pEndTime, dwFlags);
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*pSample = NULL;
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if (!This->bCommitted)
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return VFW_E_NOT_COMMITTED;
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This->lWaiting++;
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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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This->lWaiting--;
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return VFW_E_TIMEOUT;
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}
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This->lWaiting--;
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EnterCriticalSection(&This->csState);
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{
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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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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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*pSample = (IMediaSample *)LIST_ENTRY(free, StdMediaSample2, listentry);
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assert(((StdMediaSample2 *)*pSample)->ref == 0);
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IMediaSample_AddRef(*pSample);
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}
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}
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LeaveCriticalSection(&This->csState);
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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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ICOM_THIS(BaseMemAllocator, iface);
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StdMediaSample2 * pStdSample = (StdMediaSample2 *)pSample;
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HRESULT hr = S_OK;
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TRACE("(%p)\n", 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->csState);
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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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assert(This->lWaiting == 0);
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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%lx\n", hrfree);
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}
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}
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LeaveCriticalSection(&This->csState);
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/* notify a waiting thread that there is now a free buffer */
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if (!ReleaseSemaphore(This->hSemWaiting, 1, NULL))
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{
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ERR("ReleaseSemaphore failed with error %ld\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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ICOM_MSVTABLE_COMPAT_DummyRTTIVALUE
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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)->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;
|
||||
(*ppSample)->tMediaStart = INVALID_MEDIA_TIME;
|
||||
(*ppSample)->tMediaEnd = 0;
|
||||
|
||||
return S_OK;
|
||||
}
|
||||
|
||||
static void StdMediaSample2_Delete(StdMediaSample2 * This)
|
||||
{
|
||||
/* NOTE: does not remove itself from the list it belongs to */
|
||||
CoTaskMemFree(This);
|
||||
}
|
||||
|
||||
static HRESULT WINAPI StdMediaSample2_QueryInterface(IMediaSample2 * iface, REFIID riid, LPVOID * ppv)
|
||||
{
|
||||
ICOM_THIS(StdMediaSample2, iface);
|
||||
TRACE("(%s, %p)\n", qzdebugstr_guid(riid), ppv);
|
||||
|
||||
*ppv = NULL;
|
||||
|
||||
if (IsEqualIID(riid, &IID_IUnknown))
|
||||
*ppv = (LPVOID)This;
|
||||
else if (IsEqualIID(riid, &IID_IMediaSample))
|
||||
*ppv = (LPVOID)This;
|
||||
else if (IsEqualIID(riid, &IID_IMediaSample2))
|
||||
*ppv = (LPVOID)This;
|
||||
|
||||
if (*ppv)
|
||||
{
|
||||
IUnknown_AddRef((IUnknown *)(*ppv));
|
||||
return S_OK;
|
||||
}
|
||||
|
||||
FIXME("No interface for %s!\n", qzdebugstr_guid(riid));
|
||||
|
||||
return E_NOINTERFACE;
|
||||
}
|
||||
|
||||
static ULONG WINAPI StdMediaSample2_AddRef(IMediaSample2 * iface)
|
||||
{
|
||||
ICOM_THIS(StdMediaSample2, iface);
|
||||
|
||||
TRACE("()\n");
|
||||
|
||||
return InterlockedIncrement(&This->ref);
|
||||
}
|
||||
|
||||
static ULONG WINAPI StdMediaSample2_Release(IMediaSample2 * iface)
|
||||
{
|
||||
ICOM_THIS(StdMediaSample2, iface);
|
||||
|
||||
TRACE("()\n");
|
||||
|
||||
if (!InterlockedDecrement(&This->ref))
|
||||
{
|
||||
IMemAllocator_ReleaseBuffer(This->pParent, (IMediaSample *)iface);
|
||||
return 0;
|
||||
}
|
||||
return This->ref;
|
||||
}
|
||||
|
||||
static HRESULT WINAPI StdMediaSample2_GetPointer(IMediaSample2 * iface, BYTE ** ppBuffer)
|
||||
{
|
||||
ICOM_THIS(StdMediaSample2, iface);
|
||||
|
||||
TRACE("(%p)\n", ppBuffer);
|
||||
|
||||
*ppBuffer = This->props.pbBuffer;
|
||||
|
||||
return S_OK;
|
||||
}
|
||||
|
||||
static long WINAPI StdMediaSample2_GetSize(IMediaSample2 * iface)
|
||||
{
|
||||
ICOM_THIS(StdMediaSample2, iface);
|
||||
|
||||
TRACE("StdMediaSample2_GetSize()\n");
|
||||
|
||||
return This->props.cbBuffer;
|
||||
}
|
||||
|
||||
static HRESULT WINAPI StdMediaSample2_GetTime(IMediaSample2 * iface, REFERENCE_TIME * pStart, REFERENCE_TIME * pEnd)
|
||||
{
|
||||
HRESULT hr;
|
||||
ICOM_THIS(StdMediaSample2, iface);
|
||||
|
||||
TRACE("(%p, %p)\n", 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 S_OK;
|
||||
}
|
||||
|
||||
static HRESULT WINAPI StdMediaSample2_SetTime(IMediaSample2 * iface, REFERENCE_TIME * pStart, REFERENCE_TIME * pEnd)
|
||||
{
|
||||
ICOM_THIS(StdMediaSample2, iface);
|
||||
|
||||
TRACE("(%p, %p)\n", 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)
|
||||
{
|
||||
ICOM_THIS(StdMediaSample2, iface);
|
||||
|
||||
TRACE("()\n");
|
||||
|
||||
return (This->props.dwSampleFlags & AM_SAMPLE_SPLICEPOINT) ? S_OK : S_FALSE;
|
||||
}
|
||||
|
||||
static HRESULT WINAPI StdMediaSample2_SetSyncPoint(IMediaSample2 * iface, BOOL bIsSyncPoint)
|
||||
{
|
||||
ICOM_THIS(StdMediaSample2, iface);
|
||||
|
||||
TRACE("(%s)\n", bIsSyncPoint ? "TRUE" : "FALSE");
|
||||
|
||||
This->props.dwSampleFlags = (This->props.dwSampleFlags & ~AM_SAMPLE_SPLICEPOINT) | bIsSyncPoint ? AM_SAMPLE_SPLICEPOINT : 0;
|
||||
|
||||
return S_OK;
|
||||
}
|
||||
|
||||
static HRESULT WINAPI StdMediaSample2_IsPreroll(IMediaSample2 * iface)
|
||||
{
|
||||
ICOM_THIS(StdMediaSample2, iface);
|
||||
|
||||
TRACE("()\n");
|
||||
|
||||
return (This->props.dwSampleFlags & AM_SAMPLE_PREROLL) ? S_OK : S_FALSE;
|
||||
}
|
||||
|
||||
static HRESULT WINAPI StdMediaSample2_SetPreroll(IMediaSample2 * iface, BOOL bIsPreroll)
|
||||
{
|
||||
ICOM_THIS(StdMediaSample2, iface);
|
||||
|
||||
TRACE("(%s)\n", bIsPreroll ? "TRUE" : "FALSE");
|
||||
|
||||
This->props.dwSampleFlags = (This->props.dwSampleFlags & ~AM_SAMPLE_PREROLL) | bIsPreroll ? AM_SAMPLE_PREROLL : 0;
|
||||
|
||||
return S_OK;
|
||||
}
|
||||
|
||||
static LONG WINAPI StdMediaSample2_GetActualDataLength(IMediaSample2 * iface)
|
||||
{
|
||||
ICOM_THIS(StdMediaSample2, iface);
|
||||
|
||||
TRACE("()\n");
|
||||
|
||||
return This->props.lActual;
|
||||
}
|
||||
|
||||
static HRESULT WINAPI StdMediaSample2_SetActualDataLength(IMediaSample2 * iface, LONG len)
|
||||
{
|
||||
ICOM_THIS(StdMediaSample2, iface);
|
||||
|
||||
TRACE("(%ld)\n", len);
|
||||
|
||||
if ((len > This->props.cbBuffer) || (len < 0))
|
||||
return VFW_E_BUFFER_OVERFLOW;
|
||||
else
|
||||
{
|
||||
This->props.lActual = len;
|
||||
return S_OK;
|
||||
}
|
||||
}
|
||||
|
||||
static HRESULT WINAPI StdMediaSample2_GetMediaType(IMediaSample2 * iface, AM_MEDIA_TYPE ** ppMediaType)
|
||||
{
|
||||
ICOM_THIS(StdMediaSample2, iface);
|
||||
|
||||
TRACE("(%p)\n", ppMediaType);
|
||||
|
||||
if (!This->props.pMediaType)
|
||||
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)
|
||||
{
|
||||
ICOM_THIS(StdMediaSample2, iface);
|
||||
|
||||
TRACE("(%p)\n", pMediaType);
|
||||
|
||||
if (This->props.pMediaType)
|
||||
DeleteMediaType(This->props.pMediaType);
|
||||
else 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)
|
||||
{
|
||||
ICOM_THIS(StdMediaSample2, iface);
|
||||
|
||||
TRACE("()\n");
|
||||
|
||||
return (This->props.dwSampleFlags & AM_SAMPLE_DATADISCONTINUITY) ? S_OK : S_FALSE;
|
||||
}
|
||||
|
||||
static HRESULT WINAPI StdMediaSample2_SetDiscontinuity(IMediaSample2 * iface, BOOL bIsDiscontinuity)
|
||||
{
|
||||
ICOM_THIS(StdMediaSample2, iface);
|
||||
|
||||
TRACE("(%s)\n", bIsDiscontinuity ? "TRUE" : "FALSE");
|
||||
|
||||
This->props.dwSampleFlags = (This->props.dwSampleFlags & ~AM_SAMPLE_DATADISCONTINUITY) | bIsDiscontinuity ? AM_SAMPLE_DATADISCONTINUITY : 0;
|
||||
|
||||
return S_OK;
|
||||
}
|
||||
|
||||
static HRESULT WINAPI StdMediaSample2_GetMediaTime(IMediaSample2 * iface, LONGLONG * pStart, LONGLONG * pEnd)
|
||||
{
|
||||
ICOM_THIS(StdMediaSample2, iface);
|
||||
|
||||
TRACE("(%p, %p)\n", pStart, pEnd);
|
||||
|
||||
if (This->tMediaStart == INVALID_MEDIA_TIME)
|
||||
return VFW_E_MEDIA_TIME_NOT_SET;
|
||||
|
||||
*pStart = This->tMediaStart;
|
||||
*pEnd = This->tMediaEnd;
|
||||
|
||||
return E_NOTIMPL;
|
||||
}
|
||||
|
||||
static HRESULT WINAPI StdMediaSample2_SetMediaTime(IMediaSample2 * iface, LONGLONG * pStart, LONGLONG * pEnd)
|
||||
{
|
||||
ICOM_THIS(StdMediaSample2, iface);
|
||||
|
||||
TRACE("(%p, %p)\n", 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)
|
||||
{
|
||||
ICOM_THIS(StdMediaSample2, iface);
|
||||
|
||||
TRACE("(%ld, %p)\n", 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)
|
||||
{
|
||||
ICOM_THIS(StdMediaSample2, iface);
|
||||
|
||||
TRACE("(%ld, %p)\n", 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 =
|
||||
{
|
||||
ICOM_MSVTABLE_COMPAT_DummyRTTIVALUE
|
||||
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
|
||||
};
|
||||
|
||||
typedef struct StdMemAllocator
|
||||
{
|
||||
BaseMemAllocator base;
|
||||
LPVOID pMemory;
|
||||
} StdMemAllocator;
|
||||
|
||||
static HRESULT StdMemAllocator_Alloc(IMemAllocator * iface)
|
||||
{
|
||||
ICOM_THIS(StdMemAllocator, 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.pProps->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.pProps->cbBuffer + This->base.pProps->cbPrefix) * This->base.pProps->cBuffers, MEM_COMMIT, PAGE_READWRITE);
|
||||
|
||||
for (i = This->base.pProps->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.pProps->cbBuffer + This->base.pProps->cbPrefix) + This->base.pProps->cbPrefix;
|
||||
|
||||
StdMediaSample2_Construct(pbBuffer, This->base.pProps->cbBuffer, iface, &pSample);
|
||||
|
||||
list_add_head(&This->base.free_list, &pSample->listentry);
|
||||
}
|
||||
|
||||
return S_OK;
|
||||
}
|
||||
|
||||
static HRESULT StdMemAllocator_Free(IMemAllocator * iface)
|
||||
{
|
||||
ICOM_THIS(StdMemAllocator, iface);
|
||||
struct list * cursor;
|
||||
|
||||
assert(list_empty(&This->base.used_list));
|
||||
|
||||
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: %ld\n", GetLastError());
|
||||
return HRESULT_FROM_WIN32(GetLastError());
|
||||
}
|
||||
|
||||
return S_OK;
|
||||
}
|
||||
|
||||
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;
|
||||
|
||||
pMemAlloc->pMemory = NULL;
|
||||
|
||||
if (SUCCEEDED(hr = BaseMemAllocator_Init(StdMemAllocator_Alloc, StdMemAllocator_Free, &pMemAlloc->base)))
|
||||
*ppv = (LPVOID)pMemAlloc;
|
||||
else
|
||||
CoTaskMemFree(pMemAlloc);
|
||||
|
||||
return hr;
|
||||
}
|
||||
|
|
@ -35,6 +35,7 @@
|
|||
HRESULT FILTERGRAPH_create(IUnknown *pUnkOuter, LPVOID *ppObj) ;
|
||||
HRESULT FilterMapper2_create(IUnknown *pUnkOuter, LPVOID *ppObj);
|
||||
HRESULT AsyncReader_create(IUnknown * pUnkOuter, LPVOID * ppv);
|
||||
HRESULT StdMemAllocator_create(IUnknown * pUnkOuter, LPVOID * ppv);
|
||||
|
||||
HRESULT EnumMonikerImpl_Create(IMoniker ** ppMoniker, ULONG nMonikerCount, IEnumMoniker ** ppEnum);
|
||||
|
||||
|
|
@ -56,7 +57,8 @@ HRESULT IEnumMediaTypesImpl_Construct(const ENUMMEDIADETAILS * pDetails, IEnumMe
|
|||
extern const char * qzdebugstr_guid(const GUID * id);
|
||||
extern const char * qzdebugstr_State(FILTER_STATE state);
|
||||
|
||||
void CopyMediaType(AM_MEDIA_TYPE * pDest, const AM_MEDIA_TYPE *pSrc);
|
||||
HRESULT CopyMediaType(AM_MEDIA_TYPE * pDest, const AM_MEDIA_TYPE *pSrc);
|
||||
void DeleteMediaType(AM_MEDIA_TYPE * pmt);
|
||||
BOOL CompareMediaTypes(const AM_MEDIA_TYPE * pmt1, const AM_MEDIA_TYPE * pmt2, BOOL bWildcards);
|
||||
void dump_AM_MEDIA_TYPE(const AM_MEDIA_TYPE * pmt);
|
||||
|
||||
|
|
|
|||
Loading…
Reference in New Issue