722 lines
20 KiB
C
722 lines
20 KiB
C
/*
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* Copyright 2018 Alistair Leslie-Hughes
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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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#define COBJMACROS
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#include "mfplat_private.h"
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#include "wine/debug.h"
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WINE_DEFAULT_DEBUG_CHANNEL(mfplat);
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struct memory_buffer
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{
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IMFMediaBuffer IMFMediaBuffer_iface;
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LONG refcount;
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BYTE *data;
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DWORD max_length;
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DWORD current_length;
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};
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struct sample
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{
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struct attributes attributes;
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IMFSample IMFSample_iface;
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IMFMediaBuffer **buffers;
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size_t buffer_count;
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size_t capacity;
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DWORD flags;
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CRITICAL_SECTION cs;
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};
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static inline struct memory_buffer *impl_from_IMFMediaBuffer(IMFMediaBuffer *iface)
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{
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return CONTAINING_RECORD(iface, struct memory_buffer, IMFMediaBuffer_iface);
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}
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static inline struct sample *impl_from_IMFSample(IMFSample *iface)
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{
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return CONTAINING_RECORD(iface, struct sample, IMFSample_iface);
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}
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static HRESULT WINAPI memory_buffer_QueryInterface(IMFMediaBuffer *iface, REFIID riid, void **out)
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{
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struct memory_buffer *buffer = impl_from_IMFMediaBuffer(iface);
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TRACE("%p, %s, %p.\n", iface, debugstr_guid(riid), out);
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if (IsEqualIID(riid, &IID_IMFMediaBuffer) ||
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IsEqualIID(riid, &IID_IUnknown))
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{
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*out = &buffer->IMFMediaBuffer_iface;
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}
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else
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{
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FIXME("(%s, %p)\n", debugstr_guid(riid), out);
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*out = NULL;
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return E_NOINTERFACE;
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}
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IUnknown_AddRef((IUnknown*)*out);
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return S_OK;
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}
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static ULONG WINAPI memory_buffer_AddRef(IMFMediaBuffer *iface)
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{
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struct memory_buffer *buffer = impl_from_IMFMediaBuffer(iface);
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ULONG refcount = InterlockedIncrement(&buffer->refcount);
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TRACE("%p, refcount %u.\n", buffer, refcount);
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return refcount;
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}
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static ULONG WINAPI memory_buffer_Release(IMFMediaBuffer *iface)
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{
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struct memory_buffer *buffer = impl_from_IMFMediaBuffer(iface);
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ULONG refcount = InterlockedDecrement(&buffer->refcount);
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TRACE("%p, refcount %u.\n", iface, refcount);
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if (!refcount)
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{
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heap_free(buffer->data);
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heap_free(buffer);
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}
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return refcount;
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}
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static HRESULT WINAPI memory_buffer_Lock(IMFMediaBuffer *iface, BYTE **data, DWORD *max_length, DWORD *current_length)
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{
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struct memory_buffer *buffer = impl_from_IMFMediaBuffer(iface);
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TRACE("%p, %p %p, %p.\n", iface, data, max_length, current_length);
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if (!data)
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return E_INVALIDARG;
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*data = buffer->data;
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if (max_length)
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*max_length = buffer->max_length;
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if (current_length)
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*current_length = buffer->current_length;
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return S_OK;
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}
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static HRESULT WINAPI memory_buffer_Unlock(IMFMediaBuffer *iface)
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{
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TRACE("%p.\n", iface);
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return S_OK;
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}
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static HRESULT WINAPI memory_buffer_GetCurrentLength(IMFMediaBuffer *iface, DWORD *current_length)
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{
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struct memory_buffer *buffer = impl_from_IMFMediaBuffer(iface);
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TRACE("%p.\n", iface);
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if (!current_length)
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return E_INVALIDARG;
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*current_length = buffer->current_length;
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return S_OK;
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}
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static HRESULT WINAPI memory_buffer_SetCurrentLength(IMFMediaBuffer *iface, DWORD current_length)
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{
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struct memory_buffer *buffer = impl_from_IMFMediaBuffer(iface);
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TRACE("%p, %u.\n", iface, current_length);
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if (current_length > buffer->max_length)
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return E_INVALIDARG;
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buffer->current_length = current_length;
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return S_OK;
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}
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static HRESULT WINAPI memory_buffer_GetMaxLength(IMFMediaBuffer *iface, DWORD *max_length)
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{
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struct memory_buffer *buffer = impl_from_IMFMediaBuffer(iface);
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TRACE("%p, %p.\n", iface, max_length);
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if (!max_length)
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return E_INVALIDARG;
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*max_length = buffer->max_length;
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return S_OK;
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}
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static const IMFMediaBufferVtbl memorybuffervtbl =
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{
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memory_buffer_QueryInterface,
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memory_buffer_AddRef,
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memory_buffer_Release,
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memory_buffer_Lock,
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memory_buffer_Unlock,
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memory_buffer_GetCurrentLength,
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memory_buffer_SetCurrentLength,
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memory_buffer_GetMaxLength,
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};
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static HRESULT create_memory_buffer(DWORD max_length, DWORD alignment, IMFMediaBuffer **buffer)
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{
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struct memory_buffer *object;
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if (!buffer)
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return E_INVALIDARG;
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object = heap_alloc(sizeof(*object));
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if (!object)
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return E_OUTOFMEMORY;
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object->data = heap_alloc((max_length + alignment) & ~alignment);
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if (!object->data)
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{
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heap_free(object);
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return E_OUTOFMEMORY;
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}
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object->IMFMediaBuffer_iface.lpVtbl = &memorybuffervtbl;
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object->refcount = 1;
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object->max_length = max_length;
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object->current_length = 0;
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*buffer = &object->IMFMediaBuffer_iface;
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return S_OK;
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}
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/***********************************************************************
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* MFCreateMemoryBuffer (mfplat.@)
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*/
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HRESULT WINAPI MFCreateMemoryBuffer(DWORD max_length, IMFMediaBuffer **buffer)
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{
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TRACE("%u, %p.\n", max_length, buffer);
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return create_memory_buffer(max_length, MF_1_BYTE_ALIGNMENT, buffer);
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}
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/***********************************************************************
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* MFCreateAlignedMemoryBuffer (mfplat.@)
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*/
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HRESULT WINAPI MFCreateAlignedMemoryBuffer(DWORD max_length, DWORD alignment, IMFMediaBuffer **buffer)
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{
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TRACE("%u, %u, %p.\n", max_length, alignment, buffer);
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return create_memory_buffer(max_length, alignment, buffer);
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}
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static HRESULT WINAPI sample_QueryInterface(IMFSample *iface, REFIID riid, void **out)
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{
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TRACE("%p, %s, %p.\n", iface, debugstr_guid(riid), out);
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if (IsEqualIID(riid, &IID_IMFSample) ||
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IsEqualIID(riid, &IID_IMFAttributes) ||
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IsEqualIID(riid, &IID_IUnknown))
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{
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*out = iface;
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IMFSample_AddRef(iface);
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return S_OK;
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}
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WARN("Unsupported %s.\n", debugstr_guid(riid));
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*out = NULL;
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return E_NOINTERFACE;
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}
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static ULONG WINAPI sample_AddRef(IMFSample *iface)
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{
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struct sample *sample = impl_from_IMFSample(iface);
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ULONG refcount = InterlockedIncrement(&sample->attributes.ref);
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TRACE("%p, refcount %u.\n", iface, refcount);
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return refcount;
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}
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static ULONG WINAPI sample_Release(IMFSample *iface)
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{
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struct sample *sample = impl_from_IMFSample(iface);
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ULONG refcount = InterlockedDecrement(&sample->attributes.ref);
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size_t i;
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TRACE("%p, refcount %u.\n", iface, refcount);
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if (!refcount)
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{
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for (i = 0; i < sample->buffer_count; ++i)
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IMFMediaBuffer_Release(sample->buffers[i]);
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DeleteCriticalSection(&sample->cs);
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heap_free(sample->buffers);
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heap_free(sample);
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}
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return refcount;
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}
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static HRESULT WINAPI sample_GetItem(IMFSample *iface, REFGUID key, PROPVARIANT *value)
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{
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struct sample *sample = impl_from_IMFSample(iface);
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return IMFAttributes_GetItem(&sample->attributes.IMFAttributes_iface, key, value);
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}
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static HRESULT WINAPI sample_GetItemType(IMFSample *iface, REFGUID key, MF_ATTRIBUTE_TYPE *type)
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{
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struct sample *sample = impl_from_IMFSample(iface);
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return IMFAttributes_GetItemType(&sample->attributes.IMFAttributes_iface, key, type);
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}
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static HRESULT WINAPI sample_CompareItem(IMFSample *iface, REFGUID key, REFPROPVARIANT value, BOOL *result)
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{
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struct sample *sample = impl_from_IMFSample(iface);
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return IMFAttributes_CompareItem(&sample->attributes.IMFAttributes_iface, key, value, result);
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}
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static HRESULT WINAPI sample_Compare(IMFSample *iface, IMFAttributes *theirs, MF_ATTRIBUTES_MATCH_TYPE type,
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BOOL *result)
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{
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struct sample *sample = impl_from_IMFSample(iface);
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return IMFAttributes_Compare(&sample->attributes.IMFAttributes_iface, theirs, type, result);
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}
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static HRESULT WINAPI sample_GetUINT32(IMFSample *iface, REFGUID key, UINT32 *value)
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{
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struct sample *sample = impl_from_IMFSample(iface);
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return IMFAttributes_GetUINT32(&sample->attributes.IMFAttributes_iface, key, value);
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}
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static HRESULT WINAPI sample_GetUINT64(IMFSample *iface, REFGUID key, UINT64 *value)
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{
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struct sample *sample = impl_from_IMFSample(iface);
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return IMFAttributes_GetUINT64(&sample->attributes.IMFAttributes_iface, key, value);
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}
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static HRESULT WINAPI sample_GetDouble(IMFSample *iface, REFGUID key, double *value)
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{
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struct sample *sample = impl_from_IMFSample(iface);
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return IMFAttributes_GetDouble(&sample->attributes.IMFAttributes_iface, key, value);
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}
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static HRESULT WINAPI sample_GetGUID(IMFSample *iface, REFGUID key, GUID *value)
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{
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struct sample *sample = impl_from_IMFSample(iface);
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return IMFAttributes_GetGUID(&sample->attributes.IMFAttributes_iface, key, value);
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}
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static HRESULT WINAPI sample_GetStringLength(IMFSample *iface, REFGUID key, UINT32 *length)
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{
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struct sample *sample = impl_from_IMFSample(iface);
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return IMFAttributes_GetStringLength(&sample->attributes.IMFAttributes_iface, key, length);
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}
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static HRESULT WINAPI sample_GetString(IMFSample *iface, REFGUID key, WCHAR *value, UINT32 size, UINT32 *length)
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{
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struct sample *sample = impl_from_IMFSample(iface);
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return IMFAttributes_GetString(&sample->attributes.IMFAttributes_iface, key, value, size, length);
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}
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static HRESULT WINAPI sample_GetAllocatedString(IMFSample *iface, REFGUID key, WCHAR **value, UINT32 *length)
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{
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struct sample *sample = impl_from_IMFSample(iface);
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return IMFAttributes_GetAllocatedString(&sample->attributes.IMFAttributes_iface, key, value, length);
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}
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static HRESULT WINAPI sample_GetBlobSize(IMFSample *iface, REFGUID key, UINT32 *size)
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{
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struct sample *sample = impl_from_IMFSample(iface);
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return IMFAttributes_GetBlobSize(&sample->attributes.IMFAttributes_iface, key, size);
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}
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static HRESULT WINAPI sample_GetBlob(IMFSample *iface, REFGUID key, UINT8 *buf, UINT32 bufsize, UINT32 *blobsize)
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{
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struct sample *sample = impl_from_IMFSample(iface);
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return IMFAttributes_GetBlob(&sample->attributes.IMFAttributes_iface, key, buf, bufsize, blobsize);
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}
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static HRESULT WINAPI sample_GetAllocatedBlob(IMFSample *iface, REFGUID key, UINT8 **buf, UINT32 *size)
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{
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struct sample *sample = impl_from_IMFSample(iface);
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return IMFAttributes_GetAllocatedBlob(&sample->attributes.IMFAttributes_iface, key, buf, size);
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}
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static HRESULT WINAPI sample_GetUnknown(IMFSample *iface, REFGUID key, REFIID riid, void **ppv)
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{
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struct sample *sample = impl_from_IMFSample(iface);
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return IMFAttributes_GetUnknown(&sample->attributes.IMFAttributes_iface, key, riid, ppv);
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}
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static HRESULT WINAPI sample_SetItem(IMFSample *iface, REFGUID key, REFPROPVARIANT value)
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{
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struct sample *sample = impl_from_IMFSample(iface);
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return IMFAttributes_SetItem(&sample->attributes.IMFAttributes_iface, key, value);
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}
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static HRESULT WINAPI sample_DeleteItem(IMFSample *iface, REFGUID key)
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{
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struct sample *sample = impl_from_IMFSample(iface);
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return IMFAttributes_DeleteItem(&sample->attributes.IMFAttributes_iface, key);
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}
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static HRESULT WINAPI sample_DeleteAllItems(IMFSample *iface)
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{
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struct sample *sample = impl_from_IMFSample(iface);
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return IMFAttributes_DeleteAllItems(&sample->attributes.IMFAttributes_iface);
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}
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static HRESULT WINAPI sample_SetUINT32(IMFSample *iface, REFGUID key, UINT32 value)
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{
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struct sample *sample = impl_from_IMFSample(iface);
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return IMFAttributes_SetUINT32(&sample->attributes.IMFAttributes_iface, key, value);
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}
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static HRESULT WINAPI sample_SetUINT64(IMFSample *iface, REFGUID key, UINT64 value)
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{
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struct sample *sample = impl_from_IMFSample(iface);
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return IMFAttributes_SetUINT64(&sample->attributes.IMFAttributes_iface, key, value);
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}
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static HRESULT WINAPI sample_SetDouble(IMFSample *iface, REFGUID key, double value)
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{
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struct sample *sample = impl_from_IMFSample(iface);
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return IMFAttributes_SetDouble(&sample->attributes.IMFAttributes_iface, key, value);
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}
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static HRESULT WINAPI sample_SetGUID(IMFSample *iface, REFGUID key, REFGUID value)
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{
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struct sample *sample = impl_from_IMFSample(iface);
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return IMFAttributes_SetGUID(&sample->attributes.IMFAttributes_iface, key, value);
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}
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static HRESULT WINAPI sample_SetString(IMFSample *iface, REFGUID key, const WCHAR *value)
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{
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struct sample *sample = impl_from_IMFSample(iface);
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return IMFAttributes_SetString(&sample->attributes.IMFAttributes_iface, key, value);
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}
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static HRESULT WINAPI sample_SetBlob(IMFSample *iface, REFGUID key, const UINT8 *buf, UINT32 size)
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{
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struct sample *sample = impl_from_IMFSample(iface);
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return IMFAttributes_SetBlob(&sample->attributes.IMFAttributes_iface, key, buf, size);
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}
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static HRESULT WINAPI sample_SetUnknown(IMFSample *iface, REFGUID key, IUnknown *unknown)
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{
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struct sample *sample = impl_from_IMFSample(iface);
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return IMFAttributes_SetUnknown(&sample->attributes.IMFAttributes_iface, key, unknown);
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}
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static HRESULT WINAPI sample_LockStore(IMFSample *iface)
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{
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struct sample *sample = impl_from_IMFSample(iface);
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return IMFAttributes_LockStore(&sample->attributes.IMFAttributes_iface);
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}
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static HRESULT WINAPI sample_UnlockStore(IMFSample *iface)
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{
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struct sample *sample = impl_from_IMFSample(iface);
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return IMFAttributes_UnlockStore(&sample->attributes.IMFAttributes_iface);
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}
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static HRESULT WINAPI sample_GetCount(IMFSample *iface, UINT32 *items)
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{
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struct sample *sample = impl_from_IMFSample(iface);
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return IMFAttributes_GetCount(&sample->attributes.IMFAttributes_iface, items);
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}
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static HRESULT WINAPI sample_GetItemByIndex(IMFSample *iface, UINT32 index, GUID *key, PROPVARIANT *value)
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{
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struct sample *sample = impl_from_IMFSample(iface);
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return IMFAttributes_GetItemByIndex(&sample->attributes.IMFAttributes_iface, index, key, value);
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}
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static HRESULT WINAPI sample_CopyAllItems(IMFSample *iface, IMFAttributes *dest)
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{
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struct sample *sample = impl_from_IMFSample(iface);
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return IMFAttributes_CopyAllItems(&sample->attributes.IMFAttributes_iface, dest);
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}
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static HRESULT WINAPI sample_GetSampleFlags(IMFSample *iface, DWORD *flags)
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{
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struct sample *sample = impl_from_IMFSample(iface);
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TRACE("%p, %p.\n", iface, flags);
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EnterCriticalSection(&sample->cs);
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*flags = sample->flags;
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LeaveCriticalSection(&sample->cs);
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return S_OK;
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}
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static HRESULT WINAPI sample_SetSampleFlags(IMFSample *iface, DWORD flags)
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{
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struct sample *sample = impl_from_IMFSample(iface);
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TRACE("%p, %#x.\n", iface, flags);
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EnterCriticalSection(&sample->cs);
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sample->flags = flags;
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LeaveCriticalSection(&sample->cs);
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return S_OK;
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}
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static HRESULT WINAPI sample_GetSampleTime(IMFSample *iface, LONGLONG *sampletime)
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{
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FIXME("%p, %p.\n", iface, sampletime);
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return E_NOTIMPL;
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}
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static HRESULT WINAPI sample_SetSampleTime(IMFSample *iface, LONGLONG sampletime)
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{
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FIXME("%p, %s.\n", iface, wine_dbgstr_longlong(sampletime));
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|
|
|
return E_NOTIMPL;
|
|
}
|
|
|
|
static HRESULT WINAPI sample_GetSampleDuration(IMFSample *iface, LONGLONG *duration)
|
|
{
|
|
FIXME("%p, %p.\n", iface, duration);
|
|
|
|
return E_NOTIMPL;
|
|
}
|
|
|
|
static HRESULT WINAPI sample_SetSampleDuration(IMFSample *iface, LONGLONG duration)
|
|
{
|
|
FIXME("%p, %s.\n", iface, wine_dbgstr_longlong(duration));
|
|
|
|
return E_NOTIMPL;
|
|
}
|
|
|
|
static HRESULT WINAPI sample_GetBufferCount(IMFSample *iface, DWORD *count)
|
|
{
|
|
struct sample *sample = impl_from_IMFSample(iface);
|
|
|
|
TRACE("%p, %p.\n", iface, count);
|
|
|
|
if (!count)
|
|
return E_INVALIDARG;
|
|
|
|
EnterCriticalSection(&sample->cs);
|
|
*count = sample->buffer_count;
|
|
EnterCriticalSection(&sample->cs);
|
|
|
|
return S_OK;
|
|
}
|
|
|
|
static HRESULT WINAPI sample_GetBufferByIndex(IMFSample *iface, DWORD index, IMFMediaBuffer **buffer)
|
|
{
|
|
struct sample *sample = impl_from_IMFSample(iface);
|
|
HRESULT hr = S_OK;
|
|
|
|
TRACE("%p, %u, %p.\n", iface, index, buffer);
|
|
|
|
EnterCriticalSection(&sample->cs);
|
|
if (index < sample->buffer_count)
|
|
{
|
|
*buffer = sample->buffers[index];
|
|
IMFMediaBuffer_AddRef(*buffer);
|
|
}
|
|
else
|
|
hr = E_INVALIDARG;
|
|
LeaveCriticalSection(&sample->cs);
|
|
|
|
return hr;
|
|
}
|
|
|
|
static HRESULT WINAPI sample_ConvertToContiguousBuffer(IMFSample *iface, IMFMediaBuffer **buffer)
|
|
{
|
|
FIXME("%p, %p.\n", iface, buffer);
|
|
|
|
return E_NOTIMPL;
|
|
}
|
|
|
|
static HRESULT WINAPI sample_AddBuffer(IMFSample *iface, IMFMediaBuffer *buffer)
|
|
{
|
|
struct sample *sample = impl_from_IMFSample(iface);
|
|
HRESULT hr = S_OK;
|
|
|
|
TRACE("%p, %p.\n", iface, buffer);
|
|
|
|
EnterCriticalSection(&sample->cs);
|
|
if (!mf_array_reserve((void **)&sample->buffers, &sample->capacity, sample->buffer_count + 1,
|
|
sizeof(*sample->buffers)))
|
|
hr = E_OUTOFMEMORY;
|
|
else
|
|
{
|
|
sample->buffers[sample->buffer_count++] = buffer;
|
|
IMFMediaBuffer_AddRef(buffer);
|
|
}
|
|
LeaveCriticalSection(&sample->cs);
|
|
|
|
return hr;
|
|
}
|
|
|
|
static HRESULT WINAPI sample_RemoveBufferByIndex(IMFSample *iface, DWORD index)
|
|
{
|
|
struct sample *sample = impl_from_IMFSample(iface);
|
|
HRESULT hr = S_OK;
|
|
|
|
TRACE("%p, %u.\n", iface, index);
|
|
|
|
EnterCriticalSection(&sample->cs);
|
|
if (index < sample->buffer_count)
|
|
{
|
|
IMFMediaBuffer_Release(sample->buffers[index]);
|
|
if (index < sample->buffer_count - 1)
|
|
{
|
|
memmove(&sample->buffers[index], &sample->buffers[index+1],
|
|
(sample->buffer_count - index - 1) * sizeof(*sample->buffers));
|
|
}
|
|
sample->buffer_count--;
|
|
}
|
|
else
|
|
hr = E_INVALIDARG;
|
|
LeaveCriticalSection(&sample->cs);
|
|
|
|
return hr;
|
|
}
|
|
|
|
static HRESULT WINAPI sample_RemoveAllBuffers(IMFSample *iface)
|
|
{
|
|
struct sample *sample = impl_from_IMFSample(iface);
|
|
size_t i;
|
|
|
|
TRACE("%p.\n", iface);
|
|
|
|
EnterCriticalSection(&sample->cs);
|
|
for (i = 0; i < sample->buffer_count; ++i)
|
|
IMFMediaBuffer_Release(sample->buffers[i]);
|
|
sample->buffer_count = 0;
|
|
LeaveCriticalSection(&sample->cs);
|
|
|
|
return S_OK;
|
|
}
|
|
|
|
static HRESULT WINAPI sample_GetTotalLength(IMFSample *iface, DWORD *total_length)
|
|
{
|
|
struct sample *sample = impl_from_IMFSample(iface);
|
|
DWORD length;
|
|
size_t i;
|
|
|
|
TRACE("%p, %p.\n", iface, total_length);
|
|
|
|
*total_length = 0;
|
|
|
|
EnterCriticalSection(&sample->cs);
|
|
for (i = 0; i < sample->buffer_count; ++i)
|
|
{
|
|
if (SUCCEEDED(IMFMediaBuffer_GetCurrentLength(sample->buffers[i], &length)))
|
|
*total_length += length;
|
|
}
|
|
LeaveCriticalSection(&sample->cs);
|
|
|
|
return S_OK;
|
|
}
|
|
|
|
static HRESULT WINAPI sample_CopyToBuffer(IMFSample *iface, IMFMediaBuffer *buffer)
|
|
{
|
|
FIXME("%p, %p.\n", iface, buffer);
|
|
|
|
return E_NOTIMPL;
|
|
}
|
|
|
|
static const IMFSampleVtbl samplevtbl =
|
|
{
|
|
sample_QueryInterface,
|
|
sample_AddRef,
|
|
sample_Release,
|
|
sample_GetItem,
|
|
sample_GetItemType,
|
|
sample_CompareItem,
|
|
sample_Compare,
|
|
sample_GetUINT32,
|
|
sample_GetUINT64,
|
|
sample_GetDouble,
|
|
sample_GetGUID,
|
|
sample_GetStringLength,
|
|
sample_GetString,
|
|
sample_GetAllocatedString,
|
|
sample_GetBlobSize,
|
|
sample_GetBlob,
|
|
sample_GetAllocatedBlob,
|
|
sample_GetUnknown,
|
|
sample_SetItem,
|
|
sample_DeleteItem,
|
|
sample_DeleteAllItems,
|
|
sample_SetUINT32,
|
|
sample_SetUINT64,
|
|
sample_SetDouble,
|
|
sample_SetGUID,
|
|
sample_SetString,
|
|
sample_SetBlob,
|
|
sample_SetUnknown,
|
|
sample_LockStore,
|
|
sample_UnlockStore,
|
|
sample_GetCount,
|
|
sample_GetItemByIndex,
|
|
sample_CopyAllItems,
|
|
sample_GetSampleFlags,
|
|
sample_SetSampleFlags,
|
|
sample_GetSampleTime,
|
|
sample_SetSampleTime,
|
|
sample_GetSampleDuration,
|
|
sample_SetSampleDuration,
|
|
sample_GetBufferCount,
|
|
sample_GetBufferByIndex,
|
|
sample_ConvertToContiguousBuffer,
|
|
sample_AddBuffer,
|
|
sample_RemoveBufferByIndex,
|
|
sample_RemoveAllBuffers,
|
|
sample_GetTotalLength,
|
|
sample_CopyToBuffer,
|
|
};
|
|
|
|
/***********************************************************************
|
|
* MFCreateSample (mfplat.@)
|
|
*/
|
|
HRESULT WINAPI MFCreateSample(IMFSample **sample)
|
|
{
|
|
struct sample *object;
|
|
|
|
TRACE("%p.\n", sample);
|
|
|
|
object = heap_alloc_zero(sizeof(*object));
|
|
if (!object)
|
|
return E_OUTOFMEMORY;
|
|
|
|
init_attribute_object(&object->attributes, 0);
|
|
object->IMFSample_iface.lpVtbl = &samplevtbl;
|
|
InitializeCriticalSection(&object->cs);
|
|
|
|
*sample = &object->IMFSample_iface;
|
|
|
|
return S_OK;
|
|
}
|