Sweden-Number/dlls/mfplat/buffer.c

864 lines
23 KiB
C

/*
* Copyright 2018 Alistair Leslie-Hughes
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
*/
#define COBJMACROS
#include "mfplat_private.h"
#include "wine/debug.h"
WINE_DEFAULT_DEBUG_CHANNEL(mfplat);
struct memory_buffer
{
IMFMediaBuffer IMFMediaBuffer_iface;
LONG refcount;
BYTE *data;
DWORD max_length;
DWORD current_length;
};
enum sample_prop_flags
{
SAMPLE_PROP_HAS_DURATION = 1 << 0,
SAMPLE_PROP_HAS_TIMESTAMP = 1 << 1,
};
struct sample
{
struct attributes attributes;
IMFSample IMFSample_iface;
IMFMediaBuffer **buffers;
size_t buffer_count;
size_t capacity;
DWORD flags;
CRITICAL_SECTION cs;
DWORD prop_flags;
LONGLONG duration;
LONGLONG timestamp;
};
static inline struct memory_buffer *impl_from_IMFMediaBuffer(IMFMediaBuffer *iface)
{
return CONTAINING_RECORD(iface, struct memory_buffer, IMFMediaBuffer_iface);
}
static inline struct sample *impl_from_IMFSample(IMFSample *iface)
{
return CONTAINING_RECORD(iface, struct sample, IMFSample_iface);
}
static HRESULT WINAPI memory_buffer_QueryInterface(IMFMediaBuffer *iface, REFIID riid, void **out)
{
struct memory_buffer *buffer = impl_from_IMFMediaBuffer(iface);
TRACE("%p, %s, %p.\n", iface, debugstr_guid(riid), out);
if (IsEqualIID(riid, &IID_IMFMediaBuffer) ||
IsEqualIID(riid, &IID_IUnknown))
{
*out = &buffer->IMFMediaBuffer_iface;
}
else
{
FIXME("(%s, %p)\n", debugstr_guid(riid), out);
*out = NULL;
return E_NOINTERFACE;
}
IUnknown_AddRef((IUnknown*)*out);
return S_OK;
}
static ULONG WINAPI memory_buffer_AddRef(IMFMediaBuffer *iface)
{
struct memory_buffer *buffer = impl_from_IMFMediaBuffer(iface);
ULONG refcount = InterlockedIncrement(&buffer->refcount);
TRACE("%p, refcount %u.\n", buffer, refcount);
return refcount;
}
static ULONG WINAPI memory_buffer_Release(IMFMediaBuffer *iface)
{
struct memory_buffer *buffer = impl_from_IMFMediaBuffer(iface);
ULONG refcount = InterlockedDecrement(&buffer->refcount);
TRACE("%p, refcount %u.\n", iface, refcount);
if (!refcount)
{
heap_free(buffer->data);
heap_free(buffer);
}
return refcount;
}
static HRESULT WINAPI memory_buffer_Lock(IMFMediaBuffer *iface, BYTE **data, DWORD *max_length, DWORD *current_length)
{
struct memory_buffer *buffer = impl_from_IMFMediaBuffer(iface);
TRACE("%p, %p %p, %p.\n", iface, data, max_length, current_length);
if (!data)
return E_INVALIDARG;
*data = buffer->data;
if (max_length)
*max_length = buffer->max_length;
if (current_length)
*current_length = buffer->current_length;
return S_OK;
}
static HRESULT WINAPI memory_buffer_Unlock(IMFMediaBuffer *iface)
{
TRACE("%p.\n", iface);
return S_OK;
}
static HRESULT WINAPI memory_buffer_GetCurrentLength(IMFMediaBuffer *iface, DWORD *current_length)
{
struct memory_buffer *buffer = impl_from_IMFMediaBuffer(iface);
TRACE("%p.\n", iface);
if (!current_length)
return E_INVALIDARG;
*current_length = buffer->current_length;
return S_OK;
}
static HRESULT WINAPI memory_buffer_SetCurrentLength(IMFMediaBuffer *iface, DWORD current_length)
{
struct memory_buffer *buffer = impl_from_IMFMediaBuffer(iface);
TRACE("%p, %u.\n", iface, current_length);
if (current_length > buffer->max_length)
return E_INVALIDARG;
buffer->current_length = current_length;
return S_OK;
}
static HRESULT WINAPI memory_buffer_GetMaxLength(IMFMediaBuffer *iface, DWORD *max_length)
{
struct memory_buffer *buffer = impl_from_IMFMediaBuffer(iface);
TRACE("%p, %p.\n", iface, max_length);
if (!max_length)
return E_INVALIDARG;
*max_length = buffer->max_length;
return S_OK;
}
static const IMFMediaBufferVtbl memorybuffervtbl =
{
memory_buffer_QueryInterface,
memory_buffer_AddRef,
memory_buffer_Release,
memory_buffer_Lock,
memory_buffer_Unlock,
memory_buffer_GetCurrentLength,
memory_buffer_SetCurrentLength,
memory_buffer_GetMaxLength,
};
static HRESULT create_memory_buffer(DWORD max_length, DWORD alignment, IMFMediaBuffer **buffer)
{
struct memory_buffer *object;
if (!buffer)
return E_INVALIDARG;
object = heap_alloc(sizeof(*object));
if (!object)
return E_OUTOFMEMORY;
object->data = heap_alloc((max_length + alignment) & ~alignment);
if (!object->data)
{
heap_free(object);
return E_OUTOFMEMORY;
}
object->IMFMediaBuffer_iface.lpVtbl = &memorybuffervtbl;
object->refcount = 1;
object->max_length = max_length;
object->current_length = 0;
*buffer = &object->IMFMediaBuffer_iface;
return S_OK;
}
/***********************************************************************
* MFCreateMemoryBuffer (mfplat.@)
*/
HRESULT WINAPI MFCreateMemoryBuffer(DWORD max_length, IMFMediaBuffer **buffer)
{
TRACE("%u, %p.\n", max_length, buffer);
return create_memory_buffer(max_length, MF_1_BYTE_ALIGNMENT, buffer);
}
/***********************************************************************
* MFCreateAlignedMemoryBuffer (mfplat.@)
*/
HRESULT WINAPI MFCreateAlignedMemoryBuffer(DWORD max_length, DWORD alignment, IMFMediaBuffer **buffer)
{
TRACE("%u, %u, %p.\n", max_length, alignment, buffer);
return create_memory_buffer(max_length, alignment, buffer);
}
static HRESULT WINAPI sample_QueryInterface(IMFSample *iface, REFIID riid, void **out)
{
TRACE("%p, %s, %p.\n", iface, debugstr_guid(riid), out);
if (IsEqualIID(riid, &IID_IMFSample) ||
IsEqualIID(riid, &IID_IMFAttributes) ||
IsEqualIID(riid, &IID_IUnknown))
{
*out = iface;
IMFSample_AddRef(iface);
return S_OK;
}
WARN("Unsupported %s.\n", debugstr_guid(riid));
*out = NULL;
return E_NOINTERFACE;
}
static ULONG WINAPI sample_AddRef(IMFSample *iface)
{
struct sample *sample = impl_from_IMFSample(iface);
ULONG refcount = InterlockedIncrement(&sample->attributes.ref);
TRACE("%p, refcount %u.\n", iface, refcount);
return refcount;
}
static ULONG WINAPI sample_Release(IMFSample *iface)
{
struct sample *sample = impl_from_IMFSample(iface);
ULONG refcount = InterlockedDecrement(&sample->attributes.ref);
size_t i;
TRACE("%p, refcount %u.\n", iface, refcount);
if (!refcount)
{
for (i = 0; i < sample->buffer_count; ++i)
IMFMediaBuffer_Release(sample->buffers[i]);
clear_attributes_object(&sample->attributes);
DeleteCriticalSection(&sample->cs);
heap_free(sample->buffers);
heap_free(sample);
}
return refcount;
}
static HRESULT WINAPI sample_GetItem(IMFSample *iface, REFGUID key, PROPVARIANT *value)
{
struct sample *sample = impl_from_IMFSample(iface);
TRACE("%p, %s, %p.\n", iface, debugstr_attr(key), value);
return attributes_GetItem(&sample->attributes, key, value);
}
static HRESULT WINAPI sample_GetItemType(IMFSample *iface, REFGUID key, MF_ATTRIBUTE_TYPE *type)
{
struct sample *sample = impl_from_IMFSample(iface);
TRACE("%p, %s, %p.\n", iface, debugstr_attr(key), type);
return attributes_GetItemType(&sample->attributes, key, type);
}
static HRESULT WINAPI sample_CompareItem(IMFSample *iface, REFGUID key, REFPROPVARIANT value, BOOL *result)
{
struct sample *sample = impl_from_IMFSample(iface);
TRACE("%p, %s, %p, %p.\n", iface, debugstr_attr(key), value, result);
return attributes_CompareItem(&sample->attributes, key, value, result);
}
static HRESULT WINAPI sample_Compare(IMFSample *iface, IMFAttributes *theirs, MF_ATTRIBUTES_MATCH_TYPE type,
BOOL *result)
{
struct sample *sample = impl_from_IMFSample(iface);
TRACE("%p, %p, %d, %p.\n", iface, theirs, type, result);
return attributes_Compare(&sample->attributes, theirs, type, result);
}
static HRESULT WINAPI sample_GetUINT32(IMFSample *iface, REFGUID key, UINT32 *value)
{
struct sample *sample = impl_from_IMFSample(iface);
TRACE("%p, %s, %p.\n", iface, debugstr_attr(key), value);
return attributes_GetUINT32(&sample->attributes, key, value);
}
static HRESULT WINAPI sample_GetUINT64(IMFSample *iface, REFGUID key, UINT64 *value)
{
struct sample *sample = impl_from_IMFSample(iface);
TRACE("%p, %s, %p.\n", iface, debugstr_attr(key), value);
return attributes_GetUINT64(&sample->attributes, key, value);
}
static HRESULT WINAPI sample_GetDouble(IMFSample *iface, REFGUID key, double *value)
{
struct sample *sample = impl_from_IMFSample(iface);
TRACE("%p, %s, %p.\n", iface, debugstr_attr(key), value);
return attributes_GetDouble(&sample->attributes, key, value);
}
static HRESULT WINAPI sample_GetGUID(IMFSample *iface, REFGUID key, GUID *value)
{
struct sample *sample = impl_from_IMFSample(iface);
TRACE("%p, %s, %p.\n", iface, debugstr_attr(key), value);
return attributes_GetGUID(&sample->attributes, key, value);
}
static HRESULT WINAPI sample_GetStringLength(IMFSample *iface, REFGUID key, UINT32 *length)
{
struct sample *sample = impl_from_IMFSample(iface);
TRACE("%p, %s, %p.\n", iface, debugstr_attr(key), length);
return attributes_GetStringLength(&sample->attributes, key, length);
}
static HRESULT WINAPI sample_GetString(IMFSample *iface, REFGUID key, WCHAR *value, UINT32 size, UINT32 *length)
{
struct sample *sample = impl_from_IMFSample(iface);
TRACE("%p, %s, %p, %u, %p.\n", iface, debugstr_attr(key), value, size, length);
return attributes_GetString(&sample->attributes, key, value, size, length);
}
static HRESULT WINAPI sample_GetAllocatedString(IMFSample *iface, REFGUID key, WCHAR **value, UINT32 *length)
{
struct sample *sample = impl_from_IMFSample(iface);
TRACE("%p, %s, %p, %p.\n", iface, debugstr_attr(key), value, length);
return attributes_GetAllocatedString(&sample->attributes, key, value, length);
}
static HRESULT WINAPI sample_GetBlobSize(IMFSample *iface, REFGUID key, UINT32 *size)
{
struct sample *sample = impl_from_IMFSample(iface);
TRACE("%p, %s, %p.\n", iface, debugstr_attr(key), size);
return attributes_GetBlobSize(&sample->attributes, key, size);
}
static HRESULT WINAPI sample_GetBlob(IMFSample *iface, REFGUID key, UINT8 *buf, UINT32 bufsize, UINT32 *blobsize)
{
struct sample *sample = impl_from_IMFSample(iface);
TRACE("%p, %s, %p, %u, %p.\n", iface, debugstr_attr(key), buf, bufsize, blobsize);
return attributes_GetBlob(&sample->attributes, key, buf, bufsize, blobsize);
}
static HRESULT WINAPI sample_GetAllocatedBlob(IMFSample *iface, REFGUID key, UINT8 **buf, UINT32 *size)
{
struct sample *sample = impl_from_IMFSample(iface);
TRACE("%p, %s, %p, %p.\n", iface, debugstr_attr(key), buf, size);
return attributes_GetAllocatedBlob(&sample->attributes, key, buf, size);
}
static HRESULT WINAPI sample_GetUnknown(IMFSample *iface, REFGUID key, REFIID riid, void **out)
{
struct sample *sample = impl_from_IMFSample(iface);
TRACE("%p, %s, %s, %p.\n", iface, debugstr_attr(key), debugstr_guid(riid), out);
return attributes_GetUnknown(&sample->attributes, key, riid, out);
}
static HRESULT WINAPI sample_SetItem(IMFSample *iface, REFGUID key, REFPROPVARIANT value)
{
struct sample *sample = impl_from_IMFSample(iface);
TRACE("%p, %s, %p.\n", iface, debugstr_attr(key), value);
return attributes_SetItem(&sample->attributes, key, value);
}
static HRESULT WINAPI sample_DeleteItem(IMFSample *iface, REFGUID key)
{
struct sample *sample = impl_from_IMFSample(iface);
TRACE("%p, %p.\n", iface, debugstr_attr(key));
return attributes_DeleteItem(&sample->attributes, key);
}
static HRESULT WINAPI sample_DeleteAllItems(IMFSample *iface)
{
struct sample *sample = impl_from_IMFSample(iface);
TRACE("%p.\n", iface);
return attributes_DeleteAllItems(&sample->attributes);
}
static HRESULT WINAPI sample_SetUINT32(IMFSample *iface, REFGUID key, UINT32 value)
{
struct sample *sample = impl_from_IMFSample(iface);
TRACE("%p, %s, %u.\n", iface, debugstr_attr(key), value);
return attributes_SetUINT32(&sample->attributes, key, value);
}
static HRESULT WINAPI sample_SetUINT64(IMFSample *iface, REFGUID key, UINT64 value)
{
struct sample *sample = impl_from_IMFSample(iface);
TRACE("%p, %s, %s.\n", iface, debugstr_attr(key), wine_dbgstr_longlong(value));
return attributes_SetUINT64(&sample->attributes, key, value);
}
static HRESULT WINAPI sample_SetDouble(IMFSample *iface, REFGUID key, double value)
{
struct sample *sample = impl_from_IMFSample(iface);
TRACE("%p, %s, %f.\n", iface, debugstr_attr(key), value);
return attributes_SetDouble(&sample->attributes, key, value);
}
static HRESULT WINAPI sample_SetGUID(IMFSample *iface, REFGUID key, REFGUID value)
{
struct sample *sample = impl_from_IMFSample(iface);
TRACE("%p, %s, %s.\n", iface, debugstr_attr(key), debugstr_guid(value));
return attributes_SetGUID(&sample->attributes, key, value);
}
static HRESULT WINAPI sample_SetString(IMFSample *iface, REFGUID key, const WCHAR *value)
{
struct sample *sample = impl_from_IMFSample(iface);
TRACE("%p, %s, %s.\n", iface, debugstr_attr(key), debugstr_w(value));
return attributes_SetString(&sample->attributes, key, value);
}
static HRESULT WINAPI sample_SetBlob(IMFSample *iface, REFGUID key, const UINT8 *buf, UINT32 size)
{
struct sample *sample = impl_from_IMFSample(iface);
TRACE("%p, %s, %p, %u.\n", iface, debugstr_attr(key), buf, size);
return attributes_SetBlob(&sample->attributes, key, buf, size);
}
static HRESULT WINAPI sample_SetUnknown(IMFSample *iface, REFGUID key, IUnknown *unknown)
{
struct sample *sample = impl_from_IMFSample(iface);
TRACE("%p, %s, %p.\n", iface, debugstr_attr(key), unknown);
return attributes_SetUnknown(&sample->attributes, key, unknown);
}
static HRESULT WINAPI sample_LockStore(IMFSample *iface)
{
struct sample *sample = impl_from_IMFSample(iface);
TRACE("%p.\n", iface);
return attributes_LockStore(&sample->attributes);
}
static HRESULT WINAPI sample_UnlockStore(IMFSample *iface)
{
struct sample *sample = impl_from_IMFSample(iface);
TRACE("%p.\n", iface);
return attributes_UnlockStore(&sample->attributes);
}
static HRESULT WINAPI sample_GetCount(IMFSample *iface, UINT32 *count)
{
struct sample *sample = impl_from_IMFSample(iface);
TRACE("%p, %p.\n", iface, count);
return attributes_GetCount(&sample->attributes, count);
}
static HRESULT WINAPI sample_GetItemByIndex(IMFSample *iface, UINT32 index, GUID *key, PROPVARIANT *value)
{
struct sample *sample = impl_from_IMFSample(iface);
TRACE("%p, %u, %p, %p.\n", iface, index, key, value);
return attributes_GetItemByIndex(&sample->attributes, index, key, value);
}
static HRESULT WINAPI sample_CopyAllItems(IMFSample *iface, IMFAttributes *dest)
{
struct sample *sample = impl_from_IMFSample(iface);
TRACE("%p, %p.\n", iface, dest);
return attributes_CopyAllItems(&sample->attributes, dest);
}
static HRESULT WINAPI sample_GetSampleFlags(IMFSample *iface, DWORD *flags)
{
struct sample *sample = impl_from_IMFSample(iface);
TRACE("%p, %p.\n", iface, flags);
EnterCriticalSection(&sample->cs);
*flags = sample->flags;
LeaveCriticalSection(&sample->cs);
return S_OK;
}
static HRESULT WINAPI sample_SetSampleFlags(IMFSample *iface, DWORD flags)
{
struct sample *sample = impl_from_IMFSample(iface);
TRACE("%p, %#x.\n", iface, flags);
EnterCriticalSection(&sample->cs);
sample->flags = flags;
LeaveCriticalSection(&sample->cs);
return S_OK;
}
static HRESULT WINAPI sample_GetSampleTime(IMFSample *iface, LONGLONG *timestamp)
{
struct sample *sample = impl_from_IMFSample(iface);
HRESULT hr = S_OK;
TRACE("%p, %p.\n", iface, timestamp);
EnterCriticalSection(&sample->cs);
if (sample->prop_flags & SAMPLE_PROP_HAS_TIMESTAMP)
*timestamp = sample->timestamp;
else
hr = MF_E_NO_SAMPLE_TIMESTAMP;
LeaveCriticalSection(&sample->cs);
return hr;
}
static HRESULT WINAPI sample_SetSampleTime(IMFSample *iface, LONGLONG timestamp)
{
struct sample *sample = impl_from_IMFSample(iface);
TRACE("%p, %s.\n", iface, wine_dbgstr_longlong(timestamp));
EnterCriticalSection(&sample->cs);
sample->timestamp = timestamp;
sample->prop_flags |= SAMPLE_PROP_HAS_TIMESTAMP;
LeaveCriticalSection(&sample->cs);
return S_OK;
}
static HRESULT WINAPI sample_GetSampleDuration(IMFSample *iface, LONGLONG *duration)
{
struct sample *sample = impl_from_IMFSample(iface);
HRESULT hr = S_OK;
TRACE("%p, %p.\n", iface, duration);
EnterCriticalSection(&sample->cs);
if (sample->prop_flags & SAMPLE_PROP_HAS_DURATION)
*duration = sample->duration;
else
hr = MF_E_NO_SAMPLE_DURATION;
LeaveCriticalSection(&sample->cs);
return hr;
}
static HRESULT WINAPI sample_SetSampleDuration(IMFSample *iface, LONGLONG duration)
{
struct sample *sample = impl_from_IMFSample(iface);
TRACE("%p, %s.\n", iface, wine_dbgstr_longlong(duration));
EnterCriticalSection(&sample->cs);
sample->duration = duration;
sample->prop_flags |= SAMPLE_PROP_HAS_DURATION;
LeaveCriticalSection(&sample->cs);
return S_OK;
}
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;
LeaveCriticalSection(&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;
HRESULT hr;
TRACE("%p.\n", sample);
object = heap_alloc_zero(sizeof(*object));
if (!object)
return E_OUTOFMEMORY;
if (FAILED(hr = init_attributes_object(&object->attributes, 0)))
{
heap_free(object);
return hr;
}
object->IMFSample_iface.lpVtbl = &samplevtbl;
InitializeCriticalSection(&object->cs);
*sample = &object->IMFSample_iface;
TRACE("Created sample %p.\n", *sample);
return S_OK;
}