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/*
* 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 "rtworkq.h"
#include "d3d11.h"
#include "initguid.h"
#include "d3d9.h"
#include "evr.h"
#include "wine/debug.h"
WINE_DEFAULT_DEBUG_CHANNEL(mfplat);
#define ALIGN_SIZE(size, alignment) (((size) + (alignment)) & ~((alignment)))
struct buffer
{
IMFMediaBuffer IMFMediaBuffer_iface;
IMF2DBuffer2 IMF2DBuffer2_iface;
IMFDXGIBuffer IMFDXGIBuffer_iface;
IMFGetService IMFGetService_iface;
LONG refcount;
BYTE *data;
DWORD max_length;
DWORD current_length;
struct
{
BYTE *linear_buffer;
unsigned int plane_size;
BYTE *scanline0;
unsigned int width;
unsigned int height;
int pitch;
unsigned int locks;
} _2d;
struct
{
IDirect3DSurface9 *surface;
D3DLOCKED_RECT rect;
} d3d9_surface;
struct
{
ID3D11Texture2D *texture;
unsigned int sub_resource_idx;
ID3D11Texture2D *rb_texture;
D3D11_MAPPED_SUBRESOURCE map_desc;
struct attributes attributes;
} dxgi_surface;
CRITICAL_SECTION cs;
};
static inline struct buffer *impl_from_IMFMediaBuffer(IMFMediaBuffer *iface)
{
return CONTAINING_RECORD(iface, struct buffer, IMFMediaBuffer_iface);
}
static struct buffer *impl_from_IMF2DBuffer2(IMF2DBuffer2 *iface)
{
return CONTAINING_RECORD(iface, struct buffer, IMF2DBuffer2_iface);
}
static struct buffer *impl_from_IMFGetService(IMFGetService *iface)
{
return CONTAINING_RECORD(iface, struct buffer, IMFGetService_iface);
}
static struct buffer *impl_from_IMFDXGIBuffer(IMFDXGIBuffer *iface)
{
return CONTAINING_RECORD(iface, struct buffer, IMFDXGIBuffer_iface);
}
static HRESULT WINAPI memory_buffer_QueryInterface(IMFMediaBuffer *iface, REFIID riid, void **out)
{
struct 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;
IMFMediaBuffer_AddRef(iface);
return S_OK;
}
WARN("Unsupported %s.\n", debugstr_guid(riid));
*out = NULL;
return E_NOINTERFACE;
}
static ULONG WINAPI memory_buffer_AddRef(IMFMediaBuffer *iface)
{
struct 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 buffer *buffer = impl_from_IMFMediaBuffer(iface);
ULONG refcount = InterlockedDecrement(&buffer->refcount);
TRACE("%p, refcount %u.\n", iface, refcount);
if (!refcount)
{
if (buffer->d3d9_surface.surface)
IDirect3DSurface9_Release(buffer->d3d9_surface.surface);
if (buffer->dxgi_surface.texture)
{
ID3D11Texture2D_Release(buffer->dxgi_surface.texture);
if (buffer->dxgi_surface.rb_texture)
ID3D11Texture2D_Release(buffer->dxgi_surface.rb_texture);
clear_attributes_object(&buffer->dxgi_surface.attributes);
}
DeleteCriticalSection(&buffer->cs);
free(buffer->_2d.linear_buffer);
free(buffer->data);
free(buffer);
}
return refcount;
}
static HRESULT WINAPI memory_buffer_Lock(IMFMediaBuffer *iface, BYTE **data, DWORD *max_length, DWORD *current_length)
{
struct 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 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 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 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 memory_1d_buffer_vtbl =
{
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 WINAPI memory_1d_2d_buffer_QueryInterface(IMFMediaBuffer *iface, REFIID riid, void **out)
{
struct 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 if (IsEqualIID(riid, &IID_IMF2DBuffer2) ||
IsEqualIID(riid, &IID_IMF2DBuffer))
{
*out = &buffer->IMF2DBuffer2_iface;
}
else if (IsEqualIID(riid, &IID_IMFGetService))
{
*out = &buffer->IMFGetService_iface;
}
else
{
WARN("Unsupported interface %s.\n", debugstr_guid(riid));
*out = NULL;
return E_NOINTERFACE;
}
IUnknown_AddRef((IUnknown*)*out);
return S_OK;
}
static HRESULT WINAPI memory_1d_2d_buffer_Lock(IMFMediaBuffer *iface, BYTE **data, DWORD *max_length, DWORD *current_length)
{
struct buffer *buffer = impl_from_IMFMediaBuffer(iface);
HRESULT hr = S_OK;
TRACE("%p, %p, %p, %p.\n", iface, data, max_length, current_length);
if (!data)
return E_POINTER;
/* Allocate linear buffer and return it as a copy of current content. Maximum and current length are
unrelated to 2D buffer maximum allocate length, or maintained current length. */
EnterCriticalSection(&buffer->cs);
if (!buffer->_2d.linear_buffer && buffer->_2d.locks)
hr = MF_E_INVALIDREQUEST;
else if (!buffer->_2d.linear_buffer)
{
if (!(buffer->_2d.linear_buffer = malloc(ALIGN_SIZE(buffer->_2d.plane_size, MF_64_BYTE_ALIGNMENT))))
hr = E_OUTOFMEMORY;
}
if (SUCCEEDED(hr))
{
++buffer->_2d.locks;
*data = buffer->_2d.linear_buffer;
if (max_length)
*max_length = buffer->_2d.plane_size;
if (current_length)
*current_length = buffer->_2d.plane_size;
}
LeaveCriticalSection(&buffer->cs);
return hr;
}
static HRESULT WINAPI memory_1d_2d_buffer_Unlock(IMFMediaBuffer *iface)
{
struct buffer *buffer = impl_from_IMFMediaBuffer(iface);
TRACE("%p.\n", iface);
EnterCriticalSection(&buffer->cs);
if (buffer->_2d.linear_buffer && !--buffer->_2d.locks)
{
MFCopyImage(buffer->data, buffer->_2d.pitch, buffer->_2d.linear_buffer, buffer->_2d.width,
buffer->_2d.width, buffer->_2d.height);
free(buffer->_2d.linear_buffer);
buffer->_2d.linear_buffer = NULL;
}
LeaveCriticalSection(&buffer->cs);
return S_OK;
}
static const IMFMediaBufferVtbl memory_1d_2d_buffer_vtbl =
{
memory_1d_2d_buffer_QueryInterface,
memory_buffer_AddRef,
memory_buffer_Release,
memory_1d_2d_buffer_Lock,
memory_1d_2d_buffer_Unlock,
memory_buffer_GetCurrentLength,
memory_buffer_SetCurrentLength,
memory_buffer_GetMaxLength,
};
static HRESULT WINAPI d3d9_surface_buffer_Lock(IMFMediaBuffer *iface, BYTE **data, DWORD *max_length, DWORD *current_length)
{
struct buffer *buffer = impl_from_IMFMediaBuffer(iface);
HRESULT hr = S_OK;
TRACE("%p, %p, %p, %p.\n", iface, data, max_length, current_length);
if (!data)
return E_POINTER;
EnterCriticalSection(&buffer->cs);
if (!buffer->_2d.linear_buffer && buffer->_2d.locks)
hr = MF_E_INVALIDREQUEST;
else if (!buffer->_2d.linear_buffer)
{
D3DLOCKED_RECT rect;
if (!(buffer->_2d.linear_buffer = malloc(ALIGN_SIZE(buffer->_2d.plane_size, MF_64_BYTE_ALIGNMENT))))
hr = E_OUTOFMEMORY;
if (SUCCEEDED(hr))
{
hr = IDirect3DSurface9_LockRect(buffer->d3d9_surface.surface, &rect, NULL, 0);
if (SUCCEEDED(hr))
{
MFCopyImage(buffer->_2d.linear_buffer, buffer->_2d.width, rect.pBits, rect.Pitch,
buffer->_2d.width, buffer->_2d.height);
IDirect3DSurface9_UnlockRect(buffer->d3d9_surface.surface);
}
}
}
if (SUCCEEDED(hr))
{
++buffer->_2d.locks;
*data = buffer->_2d.linear_buffer;
if (max_length)
*max_length = buffer->_2d.plane_size;
if (current_length)
*current_length = buffer->_2d.plane_size;
}
LeaveCriticalSection(&buffer->cs);
return hr;
}
static HRESULT WINAPI d3d9_surface_buffer_Unlock(IMFMediaBuffer *iface)
{
struct buffer *buffer = impl_from_IMFMediaBuffer(iface);
HRESULT hr = S_OK;
TRACE("%p.\n", iface);
EnterCriticalSection(&buffer->cs);
if (!buffer->_2d.linear_buffer)
hr = HRESULT_FROM_WIN32(ERROR_WAS_UNLOCKED);
else if (!--buffer->_2d.locks)
{
D3DLOCKED_RECT rect;
if (SUCCEEDED(hr = IDirect3DSurface9_LockRect(buffer->d3d9_surface.surface, &rect, NULL, 0)))
{
MFCopyImage(rect.pBits, rect.Pitch, buffer->_2d.linear_buffer, buffer->_2d.width,
buffer->_2d.width, buffer->_2d.height);
IDirect3DSurface9_UnlockRect(buffer->d3d9_surface.surface);
}
free(buffer->_2d.linear_buffer);
buffer->_2d.linear_buffer = NULL;
}
LeaveCriticalSection(&buffer->cs);
return hr;
}
static HRESULT WINAPI d3d9_surface_buffer_SetCurrentLength(IMFMediaBuffer *iface, DWORD current_length)
{
struct buffer *buffer = impl_from_IMFMediaBuffer(iface);
TRACE("%p, %u.\n", iface, current_length);
buffer->current_length = current_length;
return S_OK;
}
static const IMFMediaBufferVtbl d3d9_surface_1d_buffer_vtbl =
{
memory_1d_2d_buffer_QueryInterface,
memory_buffer_AddRef,
memory_buffer_Release,
d3d9_surface_buffer_Lock,
d3d9_surface_buffer_Unlock,
memory_buffer_GetCurrentLength,
d3d9_surface_buffer_SetCurrentLength,
memory_buffer_GetMaxLength,
};
static HRESULT WINAPI memory_2d_buffer_QueryInterface(IMF2DBuffer2 *iface, REFIID riid, void **obj)
{
struct buffer *buffer = impl_from_IMF2DBuffer2(iface);
return IMFMediaBuffer_QueryInterface(&buffer->IMFMediaBuffer_iface, riid, obj);
}
static ULONG WINAPI memory_2d_buffer_AddRef(IMF2DBuffer2 *iface)
{
struct buffer *buffer = impl_from_IMF2DBuffer2(iface);
return IMFMediaBuffer_AddRef(&buffer->IMFMediaBuffer_iface);
}
static ULONG WINAPI memory_2d_buffer_Release(IMF2DBuffer2 *iface)
{
struct buffer *buffer = impl_from_IMF2DBuffer2(iface);
return IMFMediaBuffer_Release(&buffer->IMFMediaBuffer_iface);
}
static HRESULT memory_2d_buffer_lock(struct buffer *buffer, BYTE **scanline0, LONG *pitch,
BYTE **buffer_start, DWORD *buffer_length)
{
HRESULT hr = S_OK;
if (buffer->_2d.linear_buffer)
hr = MF_E_UNEXPECTED;
else
{
++buffer->_2d.locks;
*scanline0 = buffer->_2d.scanline0;
*pitch = buffer->_2d.pitch;
if (buffer_start)
*buffer_start = buffer->data;
if (buffer_length)
*buffer_length = buffer->max_length;
}
return hr;
}
static HRESULT WINAPI memory_2d_buffer_Lock2D(IMF2DBuffer2 *iface, BYTE **scanline0, LONG *pitch)
{
struct buffer *buffer = impl_from_IMF2DBuffer2(iface);
HRESULT hr;
TRACE("%p, %p, %p.\n", iface, scanline0, pitch);
if (!scanline0 || !pitch)
return E_POINTER;
EnterCriticalSection(&buffer->cs);
hr = memory_2d_buffer_lock(buffer, scanline0, pitch, NULL, NULL);
LeaveCriticalSection(&buffer->cs);
return hr;
}
static HRESULT WINAPI memory_2d_buffer_Unlock2D(IMF2DBuffer2 *iface)
{
struct buffer *buffer = impl_from_IMF2DBuffer2(iface);
HRESULT hr = S_OK;
TRACE("%p.\n", iface);
EnterCriticalSection(&buffer->cs);
if (!buffer->_2d.linear_buffer)
{
if (buffer->_2d.locks)
--buffer->_2d.locks;
else
hr = HRESULT_FROM_WIN32(ERROR_WAS_UNLOCKED);
}
LeaveCriticalSection(&buffer->cs);
return hr;
}
static HRESULT WINAPI memory_2d_buffer_GetScanline0AndPitch(IMF2DBuffer2 *iface, BYTE **scanline0, LONG *pitch)
{
struct buffer *buffer = impl_from_IMF2DBuffer2(iface);
HRESULT hr = S_OK;
TRACE("%p, %p, %p.\n", iface, scanline0, pitch);
if (!scanline0 || !pitch)
return E_POINTER;
EnterCriticalSection(&buffer->cs);
if (buffer->_2d.linear_buffer || !buffer->_2d.locks)
hr = HRESULT_FROM_WIN32(ERROR_WAS_UNLOCKED);
else
{
*scanline0 = buffer->_2d.scanline0;
*pitch = buffer->_2d.pitch;
}
LeaveCriticalSection(&buffer->cs);
return hr;
}
static HRESULT WINAPI memory_2d_buffer_IsContiguousFormat(IMF2DBuffer2 *iface, BOOL *is_contiguous)
{
TRACE("%p, %p.\n", iface, is_contiguous);
if (!is_contiguous)
return E_POINTER;
*is_contiguous = FALSE;
return S_OK;
}
static HRESULT WINAPI memory_2d_buffer_GetContiguousLength(IMF2DBuffer2 *iface, DWORD *length)
{
struct buffer *buffer = impl_from_IMF2DBuffer2(iface);
TRACE("%p, %p.\n", iface, length);
if (!length)
return E_POINTER;
*length = buffer->_2d.plane_size;
return S_OK;
}
static HRESULT WINAPI memory_2d_buffer_ContiguousCopyTo(IMF2DBuffer2 *iface, BYTE *dest_buffer, DWORD dest_length)
{
FIXME("%p, %p, %u.\n", iface, dest_buffer, dest_length);
return E_NOTIMPL;
}
static HRESULT WINAPI memory_2d_buffer_ContiguousCopyFrom(IMF2DBuffer2 *iface, const BYTE *src_buffer, DWORD src_length)
{
FIXME("%p, %p, %u.\n", iface, src_buffer, src_length);
return E_NOTIMPL;
}
static HRESULT WINAPI memory_2d_buffer_Lock2DSize(IMF2DBuffer2 *iface, MF2DBuffer_LockFlags flags, BYTE **scanline0,
LONG *pitch, BYTE **buffer_start, DWORD *buffer_length)
{
struct buffer *buffer = impl_from_IMF2DBuffer2(iface);
HRESULT hr;
TRACE("%p, %#x, %p, %p, %p, %p.\n", iface, flags, scanline0, pitch, buffer_start, buffer_length);
if (!scanline0 || !pitch || !buffer_start || !buffer_length)
return E_POINTER;
EnterCriticalSection(&buffer->cs);
hr = memory_2d_buffer_lock(buffer, scanline0, pitch, buffer_start, buffer_length);
LeaveCriticalSection(&buffer->cs);
return hr;
}
static HRESULT WINAPI memory_2d_buffer_Copy2DTo(IMF2DBuffer2 *iface, IMF2DBuffer2 *dest_buffer)
{
FIXME("%p, %p.\n", iface, dest_buffer);
return E_NOTIMPL;
}
static const IMF2DBuffer2Vtbl memory_2d_buffer_vtbl =
{
memory_2d_buffer_QueryInterface,
memory_2d_buffer_AddRef,
memory_2d_buffer_Release,
memory_2d_buffer_Lock2D,
memory_2d_buffer_Unlock2D,
memory_2d_buffer_GetScanline0AndPitch,
memory_2d_buffer_IsContiguousFormat,
memory_2d_buffer_GetContiguousLength,
memory_2d_buffer_ContiguousCopyTo,
memory_2d_buffer_ContiguousCopyFrom,
memory_2d_buffer_Lock2DSize,
memory_2d_buffer_Copy2DTo,
};
static HRESULT WINAPI d3d9_surface_buffer_Lock2D(IMF2DBuffer2 *iface, BYTE **scanline0, LONG *pitch)
{
struct buffer *buffer = impl_from_IMF2DBuffer2(iface);
HRESULT hr = S_OK;
TRACE("%p, %p, %p.\n", iface, scanline0, pitch);
if (!scanline0 || !pitch)
return E_POINTER;
EnterCriticalSection(&buffer->cs);
if (buffer->_2d.linear_buffer)
hr = MF_E_UNEXPECTED;
else if (!buffer->_2d.locks++)
{
hr = IDirect3DSurface9_LockRect(buffer->d3d9_surface.surface, &buffer->d3d9_surface.rect, NULL, 0);
}
if (SUCCEEDED(hr))
{
*scanline0 = buffer->d3d9_surface.rect.pBits;
*pitch = buffer->d3d9_surface.rect.Pitch;
}
LeaveCriticalSection(&buffer->cs);
return hr;
}
static HRESULT WINAPI d3d9_surface_buffer_Unlock2D(IMF2DBuffer2 *iface)
{
struct buffer *buffer = impl_from_IMF2DBuffer2(iface);
HRESULT hr = S_OK;
TRACE("%p.\n", iface);
EnterCriticalSection(&buffer->cs);
if (buffer->_2d.locks)
{
if (!--buffer->_2d.locks)
{
IDirect3DSurface9_UnlockRect(buffer->d3d9_surface.surface);
memset(&buffer->d3d9_surface.rect, 0, sizeof(buffer->d3d9_surface.rect));
}
}
else
hr = HRESULT_FROM_WIN32(ERROR_WAS_UNLOCKED);
LeaveCriticalSection(&buffer->cs);
return hr;
}
static HRESULT WINAPI d3d9_surface_buffer_GetScanline0AndPitch(IMF2DBuffer2 *iface, BYTE **scanline0, LONG *pitch)
{
struct buffer *buffer = impl_from_IMF2DBuffer2(iface);
HRESULT hr = S_OK;
TRACE("%p, %p, %p.\n", iface, scanline0, pitch);
if (!scanline0 || !pitch)
return E_POINTER;
EnterCriticalSection(&buffer->cs);
if (!buffer->_2d.locks)
{
*scanline0 = NULL;
*pitch = 0;
hr = HRESULT_FROM_WIN32(ERROR_WAS_UNLOCKED);
}
else
{
*scanline0 = buffer->d3d9_surface.rect.pBits;
*pitch = buffer->d3d9_surface.rect.Pitch;
}
LeaveCriticalSection(&buffer->cs);
return hr;
}
static HRESULT WINAPI d3d9_surface_buffer_Lock2DSize(IMF2DBuffer2 *iface, MF2DBuffer_LockFlags flags, BYTE **scanline0,
LONG *pitch, BYTE **buffer_start, DWORD *buffer_length)
{
struct buffer *buffer = impl_from_IMF2DBuffer2(iface);
HRESULT hr = S_OK;
TRACE("%p, %#x, %p, %p, %p, %p.\n", iface, flags, scanline0, pitch, buffer_start, buffer_length);
if (!scanline0 || !pitch || !buffer_start || !buffer_length)
return E_POINTER;
EnterCriticalSection(&buffer->cs);
if (buffer->_2d.linear_buffer)
hr = MF_E_UNEXPECTED;
else if (!buffer->_2d.locks++)
{
hr = IDirect3DSurface9_LockRect(buffer->d3d9_surface.surface, &buffer->d3d9_surface.rect, NULL, 0);
}
if (SUCCEEDED(hr))
{
*scanline0 = buffer->d3d9_surface.rect.pBits;
*pitch = buffer->d3d9_surface.rect.Pitch;
if (buffer_start)
*buffer_start = *scanline0;
if (buffer_length)
*buffer_length = buffer->d3d9_surface.rect.Pitch * buffer->_2d.height;
}
LeaveCriticalSection(&buffer->cs);
return hr;
}
static const IMF2DBuffer2Vtbl d3d9_surface_buffer_vtbl =
{
memory_2d_buffer_QueryInterface,
memory_2d_buffer_AddRef,
memory_2d_buffer_Release,
d3d9_surface_buffer_Lock2D,
d3d9_surface_buffer_Unlock2D,
d3d9_surface_buffer_GetScanline0AndPitch,
memory_2d_buffer_IsContiguousFormat,
memory_2d_buffer_GetContiguousLength,
memory_2d_buffer_ContiguousCopyTo,
memory_2d_buffer_ContiguousCopyFrom,
d3d9_surface_buffer_Lock2DSize,
memory_2d_buffer_Copy2DTo,
};
static HRESULT WINAPI memory_2d_buffer_gs_QueryInterface(IMFGetService *iface, REFIID riid, void **obj)
{
struct buffer *buffer = impl_from_IMFGetService(iface);
return IMFMediaBuffer_QueryInterface(&buffer->IMFMediaBuffer_iface, riid, obj);
}
static ULONG WINAPI memory_2d_buffer_gs_AddRef(IMFGetService *iface)
{
struct buffer *buffer = impl_from_IMFGetService(iface);
return IMFMediaBuffer_AddRef(&buffer->IMFMediaBuffer_iface);
}
static ULONG WINAPI memory_2d_buffer_gs_Release(IMFGetService *iface)
{
struct buffer *buffer = impl_from_IMFGetService(iface);
return IMFMediaBuffer_Release(&buffer->IMFMediaBuffer_iface);
}
static HRESULT WINAPI memory_2d_buffer_gs_GetService(IMFGetService *iface, REFGUID service, REFIID riid, void **obj)
{
TRACE("%p, %s, %s, %p.\n", iface, debugstr_guid(service), debugstr_guid(riid), obj);
return E_NOTIMPL;
}
static const IMFGetServiceVtbl memory_2d_buffer_gs_vtbl =
{
memory_2d_buffer_gs_QueryInterface,
memory_2d_buffer_gs_AddRef,
memory_2d_buffer_gs_Release,
memory_2d_buffer_gs_GetService,
};
static HRESULT WINAPI d3d9_surface_buffer_gs_GetService(IMFGetService *iface, REFGUID service, REFIID riid, void **obj)
{
struct buffer *buffer = impl_from_IMFGetService(iface);
TRACE("%p, %s, %s, %p.\n", iface, debugstr_guid(service), debugstr_guid(riid), obj);
if (IsEqualGUID(service, &MR_BUFFER_SERVICE))
{
return IDirect3DSurface9_QueryInterface(buffer->d3d9_surface.surface, riid, obj);
}
return E_NOTIMPL;
}
static const IMFGetServiceVtbl d3d9_surface_buffer_gs_vtbl =
{
memory_2d_buffer_gs_QueryInterface,
memory_2d_buffer_gs_AddRef,
memory_2d_buffer_gs_Release,
d3d9_surface_buffer_gs_GetService,
};
static HRESULT WINAPI dxgi_1d_2d_buffer_QueryInterface(IMFMediaBuffer *iface, REFIID riid, void **out)
{
struct 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 if (IsEqualIID(riid, &IID_IMF2DBuffer2) ||
IsEqualIID(riid, &IID_IMF2DBuffer))
{
*out = &buffer->IMF2DBuffer2_iface;
}
else if (IsEqualIID(riid, &IID_IMFDXGIBuffer))
{
*out = &buffer->IMFDXGIBuffer_iface;
}
else
{
WARN("Unsupported interface %s.\n", debugstr_guid(riid));
*out = NULL;
return E_NOINTERFACE;
}
IUnknown_AddRef((IUnknown*)*out);
return S_OK;
}
static HRESULT dxgi_surface_buffer_create_readback_texture(struct buffer *buffer)
{
D3D11_TEXTURE2D_DESC texture_desc;
ID3D11Device *device;
HRESULT hr;
if (buffer->dxgi_surface.rb_texture)
return S_OK;
ID3D11Texture2D_GetDevice(buffer->dxgi_surface.texture, &device);
ID3D11Texture2D_GetDesc(buffer->dxgi_surface.texture, &texture_desc);
texture_desc.Usage = D3D11_USAGE_STAGING;
texture_desc.BindFlags = 0;
texture_desc.CPUAccessFlags = D3D11_CPU_ACCESS_READ | D3D11_CPU_ACCESS_WRITE;
texture_desc.MiscFlags = 0;
texture_desc.MipLevels = 1;
if (FAILED(hr = ID3D11Device_CreateTexture2D(device, &texture_desc, NULL, &buffer->dxgi_surface.rb_texture)))
WARN("Failed to create readback texture, hr %#x.\n", hr);
ID3D11Device_Release(device);
return hr;
}
static HRESULT dxgi_surface_buffer_map(struct buffer *buffer)
{
ID3D11DeviceContext *immediate_context;
ID3D11Device *device;
HRESULT hr;
if (FAILED(hr = dxgi_surface_buffer_create_readback_texture(buffer)))
return hr;
ID3D11Texture2D_GetDevice(buffer->dxgi_surface.texture, &device);
ID3D11Device_GetImmediateContext(device, &immediate_context);
ID3D11DeviceContext_CopySubresourceRegion(immediate_context, (ID3D11Resource *)buffer->dxgi_surface.rb_texture,
0, 0, 0, 0, (ID3D11Resource *)buffer->dxgi_surface.texture, buffer->dxgi_surface.sub_resource_idx, NULL);
memset(&buffer->dxgi_surface.map_desc, 0, sizeof(buffer->dxgi_surface.map_desc));
if (FAILED(hr = ID3D11DeviceContext_Map(immediate_context, (ID3D11Resource *)buffer->dxgi_surface.rb_texture,
0, D3D11_MAP_READ_WRITE, 0, &buffer->dxgi_surface.map_desc)))
{
WARN("Failed to map readback texture, hr %#x.\n", hr);
}
ID3D11DeviceContext_Release(immediate_context);
ID3D11Device_Release(device);
return hr;
}
static void dxgi_surface_buffer_unmap(struct buffer *buffer)
{
ID3D11DeviceContext *immediate_context;
ID3D11Device *device;
ID3D11Texture2D_GetDevice(buffer->dxgi_surface.texture, &device);
ID3D11Device_GetImmediateContext(device, &immediate_context);
ID3D11DeviceContext_Unmap(immediate_context, (ID3D11Resource *)buffer->dxgi_surface.rb_texture, 0);
memset(&buffer->dxgi_surface.map_desc, 0, sizeof(buffer->dxgi_surface.map_desc));
ID3D11DeviceContext_CopySubresourceRegion(immediate_context, (ID3D11Resource *)buffer->dxgi_surface.texture,
buffer->dxgi_surface.sub_resource_idx, 0, 0, 0, (ID3D11Resource *)buffer->dxgi_surface.rb_texture, 0, NULL);
ID3D11DeviceContext_Release(immediate_context);
ID3D11Device_Release(device);
}
static HRESULT WINAPI dxgi_surface_buffer_Lock(IMFMediaBuffer *iface, BYTE **data, DWORD *max_length,
DWORD *current_length)
{
struct buffer *buffer = impl_from_IMFMediaBuffer(iface);
HRESULT hr = S_OK;
TRACE("%p, %p, %p, %p.\n", iface, data, max_length, current_length);
if (!data)
return E_POINTER;
EnterCriticalSection(&buffer->cs);
if (!buffer->_2d.linear_buffer && buffer->_2d.locks)
hr = MF_E_INVALIDREQUEST;
else if (!buffer->_2d.linear_buffer)
{
if (!(buffer->_2d.linear_buffer = malloc(ALIGN_SIZE(buffer->_2d.plane_size, MF_64_BYTE_ALIGNMENT))))
hr = E_OUTOFMEMORY;
if (SUCCEEDED(hr))
{
hr = dxgi_surface_buffer_map(buffer);
if (SUCCEEDED(hr))
{
MFCopyImage(buffer->_2d.linear_buffer, buffer->_2d.width, buffer->dxgi_surface.map_desc.pData,
buffer->dxgi_surface.map_desc.RowPitch, buffer->_2d.width, buffer->_2d.height);
}
}
}
if (SUCCEEDED(hr))
{
++buffer->_2d.locks;
*data = buffer->_2d.linear_buffer;
if (max_length)
*max_length = buffer->_2d.plane_size;
if (current_length)
*current_length = buffer->_2d.plane_size;
}
LeaveCriticalSection(&buffer->cs);
return hr;
}
static HRESULT WINAPI dxgi_surface_buffer_Unlock(IMFMediaBuffer *iface)
{
struct buffer *buffer = impl_from_IMFMediaBuffer(iface);
HRESULT hr = S_OK;
TRACE("%p.\n", iface);
EnterCriticalSection(&buffer->cs);
if (!buffer->_2d.linear_buffer)
hr = HRESULT_FROM_WIN32(ERROR_WAS_UNLOCKED);
else if (!--buffer->_2d.locks)
{
MFCopyImage(buffer->dxgi_surface.map_desc.pData, buffer->dxgi_surface.map_desc.RowPitch,
buffer->_2d.linear_buffer, buffer->_2d.width, buffer->_2d.width, buffer->_2d.height);
dxgi_surface_buffer_unmap(buffer);
free(buffer->_2d.linear_buffer);
buffer->_2d.linear_buffer = NULL;
}
LeaveCriticalSection(&buffer->cs);
return hr;
}
static HRESULT WINAPI dxgi_surface_buffer_SetCurrentLength(IMFMediaBuffer *iface, DWORD current_length)
{
struct buffer *buffer = impl_from_IMFMediaBuffer(iface);
TRACE("%p, %u.\n", iface, current_length);
buffer->current_length = current_length;
return S_OK;
}
static HRESULT WINAPI dxgi_surface_buffer_Lock2D(IMF2DBuffer2 *iface, BYTE **scanline0, LONG *pitch)
{
struct buffer *buffer = impl_from_IMF2DBuffer2(iface);
HRESULT hr = S_OK;
TRACE("%p, %p, %p.\n", iface, scanline0, pitch);
if (!scanline0 || !pitch)
return E_POINTER;
EnterCriticalSection(&buffer->cs);
if (buffer->_2d.linear_buffer)
hr = MF_E_UNEXPECTED;
else if (!buffer->_2d.locks++)
hr = dxgi_surface_buffer_map(buffer);
if (SUCCEEDED(hr))
{
*scanline0 = buffer->dxgi_surface.map_desc.pData;
*pitch = buffer->dxgi_surface.map_desc.RowPitch;
}
LeaveCriticalSection(&buffer->cs);
return hr;
}
static HRESULT WINAPI dxgi_surface_buffer_Unlock2D(IMF2DBuffer2 *iface)
{
struct buffer *buffer = impl_from_IMF2DBuffer2(iface);
HRESULT hr = S_OK;
TRACE("%p.\n", iface);
EnterCriticalSection(&buffer->cs);
if (buffer->_2d.locks)
{
if (!--buffer->_2d.locks)
dxgi_surface_buffer_unmap(buffer);
}
else
hr = HRESULT_FROM_WIN32(ERROR_WAS_UNLOCKED);
LeaveCriticalSection(&buffer->cs);
return hr;
}
static HRESULT WINAPI dxgi_surface_buffer_GetScanline0AndPitch(IMF2DBuffer2 *iface, BYTE **scanline0, LONG *pitch)
{
struct buffer *buffer = impl_from_IMF2DBuffer2(iface);
HRESULT hr = S_OK;
TRACE("%p, %p, %p.\n", iface, scanline0, pitch);
if (!scanline0 || !pitch)
return E_POINTER;
EnterCriticalSection(&buffer->cs);
if (!buffer->_2d.locks)
{
*scanline0 = NULL;
*pitch = 0;
hr = HRESULT_FROM_WIN32(ERROR_WAS_UNLOCKED);
}
else
{
*scanline0 = buffer->dxgi_surface.map_desc.pData;
*pitch = buffer->dxgi_surface.map_desc.RowPitch;
}
LeaveCriticalSection(&buffer->cs);
return hr;
}
static HRESULT WINAPI dxgi_surface_buffer_Lock2DSize(IMF2DBuffer2 *iface, MF2DBuffer_LockFlags flags,
BYTE **scanline0, LONG *pitch, BYTE **buffer_start, DWORD *buffer_length)
{
struct buffer *buffer = impl_from_IMF2DBuffer2(iface);
HRESULT hr = S_OK;
TRACE("%p, %#x, %p, %p, %p, %p.\n", iface, flags, scanline0, pitch, buffer_start, buffer_length);
if (!scanline0 || !pitch || !buffer_start || !buffer_length)
return E_POINTER;
EnterCriticalSection(&buffer->cs);
if (buffer->_2d.linear_buffer)
hr = MF_E_UNEXPECTED;
else if (!buffer->_2d.locks++)
hr = dxgi_surface_buffer_map(buffer);
if (SUCCEEDED(hr))
{
*scanline0 = buffer->dxgi_surface.map_desc.pData;
*pitch = buffer->dxgi_surface.map_desc.RowPitch;
if (buffer_start)
*buffer_start = *scanline0;
if (buffer_length)
*buffer_length = buffer->dxgi_surface.map_desc.RowPitch * buffer->_2d.height;
}
LeaveCriticalSection(&buffer->cs);
return hr;
}
static HRESULT WINAPI dxgi_buffer_QueryInterface(IMFDXGIBuffer *iface, REFIID riid, void **obj)
{
struct buffer *buffer = impl_from_IMFDXGIBuffer(iface);
return IMFMediaBuffer_QueryInterface(&buffer->IMFMediaBuffer_iface, riid, obj);
}
static ULONG WINAPI dxgi_buffer_AddRef(IMFDXGIBuffer *iface)
{
struct buffer *buffer = impl_from_IMFDXGIBuffer(iface);
return IMFMediaBuffer_AddRef(&buffer->IMFMediaBuffer_iface);
}
static ULONG WINAPI dxgi_buffer_Release(IMFDXGIBuffer *iface)
{
struct buffer *buffer = impl_from_IMFDXGIBuffer(iface);
return IMFMediaBuffer_Release(&buffer->IMFMediaBuffer_iface);
}
static HRESULT WINAPI dxgi_buffer_GetResource(IMFDXGIBuffer *iface, REFIID riid, void **obj)
{
struct buffer *buffer = impl_from_IMFDXGIBuffer(iface);
TRACE("%p, %s, %p.\n", iface, debugstr_guid(riid), obj);
return ID3D11Texture2D_QueryInterface(buffer->dxgi_surface.texture, riid, obj);
}
static HRESULT WINAPI dxgi_buffer_GetSubresourceIndex(IMFDXGIBuffer *iface, UINT *index)
{
struct buffer *buffer = impl_from_IMFDXGIBuffer(iface);
TRACE("%p, %p.\n", iface, index);
if (!index)
return E_POINTER;
*index = buffer->dxgi_surface.sub_resource_idx;
return S_OK;
}
static HRESULT WINAPI dxgi_buffer_GetUnknown(IMFDXGIBuffer *iface, REFIID guid, REFIID riid, void **object)
{
struct buffer *buffer = impl_from_IMFDXGIBuffer(iface);
TRACE("%p, %s, %s, %p.\n", iface, debugstr_guid(guid), debugstr_guid(riid), object);
if (attributes_GetUnknown(&buffer->dxgi_surface.attributes, guid, riid, object) == MF_E_ATTRIBUTENOTFOUND)
return MF_E_NOT_FOUND;
return S_OK;
}
static HRESULT WINAPI dxgi_buffer_SetUnknown(IMFDXGIBuffer *iface, REFIID guid, IUnknown *data)
{
struct buffer *buffer = impl_from_IMFDXGIBuffer(iface);
HRESULT hr = S_OK;
TRACE("%p, %s, %p.\n", iface, debugstr_guid(guid), data);
EnterCriticalSection(&buffer->dxgi_surface.attributes.cs);
if (data)
{
if (SUCCEEDED(attributes_GetItem(&buffer->dxgi_surface.attributes, guid, NULL)))
hr = HRESULT_FROM_WIN32(ERROR_OBJECT_ALREADY_EXISTS);
else
hr = attributes_SetUnknown(&buffer->dxgi_surface.attributes, guid, data);
}
else
{
attributes_DeleteItem(&buffer->dxgi_surface.attributes, guid);
}
LeaveCriticalSection(&buffer->dxgi_surface.attributes.cs);
return hr;
}
static const IMFMediaBufferVtbl dxgi_surface_1d_buffer_vtbl =
{
dxgi_1d_2d_buffer_QueryInterface,
memory_buffer_AddRef,
memory_buffer_Release,
dxgi_surface_buffer_Lock,
dxgi_surface_buffer_Unlock,
memory_buffer_GetCurrentLength,
dxgi_surface_buffer_SetCurrentLength,
memory_buffer_GetMaxLength,
};
static const IMF2DBuffer2Vtbl dxgi_surface_buffer_vtbl =
{
memory_2d_buffer_QueryInterface,
memory_2d_buffer_AddRef,
memory_2d_buffer_Release,
dxgi_surface_buffer_Lock2D,
dxgi_surface_buffer_Unlock2D,
dxgi_surface_buffer_GetScanline0AndPitch,
memory_2d_buffer_IsContiguousFormat,
memory_2d_buffer_GetContiguousLength,
memory_2d_buffer_ContiguousCopyTo,
memory_2d_buffer_ContiguousCopyFrom,
dxgi_surface_buffer_Lock2DSize,
memory_2d_buffer_Copy2DTo,
};
static const IMFDXGIBufferVtbl dxgi_buffer_vtbl =
{
dxgi_buffer_QueryInterface,
dxgi_buffer_AddRef,
dxgi_buffer_Release,
dxgi_buffer_GetResource,
dxgi_buffer_GetSubresourceIndex,
dxgi_buffer_GetUnknown,
dxgi_buffer_SetUnknown,
};
static HRESULT memory_buffer_init(struct buffer *buffer, DWORD max_length, DWORD alignment,
const IMFMediaBufferVtbl *vtbl)
{
if (!(buffer->data = calloc(1, ALIGN_SIZE(max_length, alignment))))
return E_OUTOFMEMORY;
buffer->IMFMediaBuffer_iface.lpVtbl = vtbl;
buffer->refcount = 1;
buffer->max_length = max_length;
buffer->current_length = 0;
InitializeCriticalSection(&buffer->cs);
return S_OK;
}
static HRESULT create_1d_buffer(DWORD max_length, DWORD alignment, IMFMediaBuffer **buffer)
{
struct buffer *object;
HRESULT hr;
if (!buffer)
return E_POINTER;
*buffer = NULL;
if (!(object = calloc(1, sizeof(*object))))
return E_OUTOFMEMORY;
hr = memory_buffer_init(object, max_length, alignment, &memory_1d_buffer_vtbl);
if (FAILED(hr))
{
free(object);
return hr;
}
*buffer = &object->IMFMediaBuffer_iface;
return S_OK;
}
static HRESULT create_2d_buffer(DWORD width, DWORD height, DWORD fourcc, BOOL bottom_up, IMFMediaBuffer **buffer)
{
unsigned int stride, max_length, plane_size;
struct buffer *object;
unsigned int row_alignment;
GUID subtype;
BOOL is_yuv;
HRESULT hr;
int pitch;
if (!buffer)
return E_POINTER;
*buffer = NULL;
memcpy(&subtype, &MFVideoFormat_Base, sizeof(subtype));
subtype.Data1 = fourcc;
if (!(stride = mf_format_get_stride(&subtype, width, &is_yuv)))
return MF_E_INVALIDMEDIATYPE;
if (is_yuv && bottom_up)
return MF_E_INVALIDMEDIATYPE;
if (FAILED(hr = MFGetPlaneSize(fourcc, width, height, &plane_size)))
return hr;
if (!(object = calloc(1, sizeof(*object))))
return E_OUTOFMEMORY;
switch (fourcc)
{
case MAKEFOURCC('I','M','C','1'):
case MAKEFOURCC('I','M','C','2'):
case MAKEFOURCC('I','M','C','3'):
case MAKEFOURCC('I','M','C','4'):
case MAKEFOURCC('Y','V','1','2'):
row_alignment = MF_128_BYTE_ALIGNMENT;
break;
default:
row_alignment = MF_64_BYTE_ALIGNMENT;
}
pitch = ALIGN_SIZE(stride, row_alignment);
switch (fourcc)
{
case MAKEFOURCC('I','M','C','1'):
case MAKEFOURCC('I','M','C','3'):
max_length = pitch * height * 2;
plane_size *= 2;
break;
case MAKEFOURCC('N','V','1','2'):
max_length = pitch * height * 3 / 2;
break;
default:
max_length = pitch * height;
}
if (FAILED(hr = memory_buffer_init(object, max_length, MF_1_BYTE_ALIGNMENT, &memory_1d_2d_buffer_vtbl)))
{
free(object);
return hr;
}
object->IMF2DBuffer2_iface.lpVtbl = &memory_2d_buffer_vtbl;
object->IMFGetService_iface.lpVtbl = &memory_2d_buffer_gs_vtbl;
object->_2d.plane_size = plane_size;
object->_2d.width = stride;
object->_2d.height = height;
object->_2d.pitch = bottom_up ? -pitch : pitch;
object->_2d.scanline0 = bottom_up ? object->data + pitch * (object->_2d.height - 1) : object->data;
*buffer = &object->IMFMediaBuffer_iface;
return S_OK;
}
static HRESULT create_d3d9_surface_buffer(IUnknown *surface, BOOL bottom_up, IMFMediaBuffer **buffer)
{
struct buffer *object;
D3DSURFACE_DESC desc;
unsigned int stride;
GUID subtype;
BOOL is_yuv;
IDirect3DSurface9_GetDesc((IDirect3DSurface9 *)surface, &desc);
TRACE("format %#x, %u x %u.\n", desc.Format, desc.Width, desc.Height);
memcpy(&subtype, &MFVideoFormat_Base, sizeof(subtype));
subtype.Data1 = desc.Format;
if (!(stride = mf_format_get_stride(&subtype, desc.Width, &is_yuv)))
return MF_E_INVALIDMEDIATYPE;
if (!(object = calloc(1, sizeof(*object))))
return E_OUTOFMEMORY;
object->IMFMediaBuffer_iface.lpVtbl = &d3d9_surface_1d_buffer_vtbl;
object->IMF2DBuffer2_iface.lpVtbl = &d3d9_surface_buffer_vtbl;
object->IMFGetService_iface.lpVtbl = &d3d9_surface_buffer_gs_vtbl;
object->refcount = 1;
InitializeCriticalSection(&object->cs);
object->d3d9_surface.surface = (IDirect3DSurface9 *)surface;
IUnknown_AddRef(surface);
MFGetPlaneSize(desc.Format, desc.Width, desc.Height, &object->_2d.plane_size);
object->_2d.width = stride;
object->_2d.height = desc.Height;
object->max_length = object->_2d.plane_size;
*buffer = &object->IMFMediaBuffer_iface;
return S_OK;
}
static HRESULT create_dxgi_surface_buffer(IUnknown *surface, unsigned int sub_resource_idx,
BOOL bottom_up, IMFMediaBuffer **buffer)
{
struct buffer *object;
D3D11_TEXTURE2D_DESC desc;
ID3D11Texture2D *texture;
unsigned int stride;
D3DFORMAT format;
GUID subtype;
BOOL is_yuv;
HRESULT hr;
if (FAILED(hr = IUnknown_QueryInterface(surface, &IID_ID3D11Texture2D, (void **)&texture)))
{
WARN("Failed to get texture interface, hr %#x.\n", hr);
return hr;
}
ID3D11Texture2D_GetDesc(texture, &desc);
TRACE("format %#x, %u x %u.\n", desc.Format, desc.Width, desc.Height);
memcpy(&subtype, &MFVideoFormat_Base, sizeof(subtype));
subtype.Data1 = format = MFMapDXGIFormatToDX9Format(desc.Format);
if (!(stride = mf_format_get_stride(&subtype, desc.Width, &is_yuv)))
{
ID3D11Texture2D_Release(texture);
return MF_E_INVALIDMEDIATYPE;
}
if (!(object = calloc(1, sizeof(*object))))
{
ID3D11Texture2D_Release(texture);
return E_OUTOFMEMORY;
}
object->IMFMediaBuffer_iface.lpVtbl = &dxgi_surface_1d_buffer_vtbl;
object->IMF2DBuffer2_iface.lpVtbl = &dxgi_surface_buffer_vtbl;
object->IMFDXGIBuffer_iface.lpVtbl = &dxgi_buffer_vtbl;
object->refcount = 1;
InitializeCriticalSection(&object->cs);
object->dxgi_surface.texture = texture;
object->dxgi_surface.sub_resource_idx = sub_resource_idx;
MFGetPlaneSize(format, desc.Width, desc.Height, &object->_2d.plane_size);
object->_2d.width = stride;
object->_2d.height = desc.Height;
object->max_length = object->_2d.plane_size;
if (FAILED(hr = init_attributes_object(&object->dxgi_surface.attributes, 0)))
{
IMFMediaBuffer_Release(&object->IMFMediaBuffer_iface);
return hr;
}
*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_1d_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_1d_buffer(max_length, alignment, buffer);
}
/***********************************************************************
* MFCreate2DMediaBuffer (mfplat.@)
*/
HRESULT WINAPI MFCreate2DMediaBuffer(DWORD width, DWORD height, DWORD fourcc, BOOL bottom_up, IMFMediaBuffer **buffer)
{
TRACE("%u, %u, %s, %d, %p.\n", width, height, debugstr_fourcc(fourcc), bottom_up, buffer);
return create_2d_buffer(width, height, fourcc, bottom_up, buffer);
}
/***********************************************************************
* MFCreateDXSurfaceBuffer (mfplat.@)
*/
HRESULT WINAPI MFCreateDXSurfaceBuffer(REFIID riid, IUnknown *surface, BOOL bottom_up, IMFMediaBuffer **buffer)
{
TRACE("%s, %p, %d, %p.\n", debugstr_guid(riid), surface, bottom_up, buffer);
if (!IsEqualIID(riid, &IID_IDirect3DSurface9))
return E_INVALIDARG;
return create_d3d9_surface_buffer(surface, bottom_up, buffer);
}
/***********************************************************************
* MFCreateDXGISurfaceBuffer (mfplat.@)
*/
HRESULT WINAPI MFCreateDXGISurfaceBuffer(REFIID riid, IUnknown *surface, UINT subresource, BOOL bottom_up,
IMFMediaBuffer **buffer)
{
TRACE("%s, %p, %u, %d, %p.\n", debugstr_guid(riid), surface, subresource, bottom_up, buffer);
if (!IsEqualIID(riid, &IID_ID3D11Texture2D))
return E_INVALIDARG;
return create_dxgi_surface_buffer(surface, subresource, bottom_up, buffer);
}
static unsigned int buffer_get_aligned_length(unsigned int length, unsigned int alignment)
{
length = (length + alignment) / alignment;
length *= alignment;
return length;
}
HRESULT WINAPI MFCreateMediaBufferFromMediaType(IMFMediaType *media_type, LONGLONG duration, DWORD min_length,
DWORD alignment, IMFMediaBuffer **buffer)
{
UINT32 length = 0, block_alignment;
LONGLONG avg_length;
HRESULT hr;
GUID major;
TRACE("%p, %s, %u, %u, %p.\n", media_type, debugstr_time(duration), min_length, alignment, buffer);
if (!media_type)
return E_INVALIDARG;
if (FAILED(hr = IMFMediaType_GetMajorType(media_type, &major)))
return hr;
if (IsEqualGUID(&major, &MFMediaType_Audio))
{
block_alignment = 0;
if (FAILED(IMFMediaType_GetUINT32(media_type, &MF_MT_AUDIO_BLOCK_ALIGNMENT, &block_alignment)))
WARN("Block alignment was not specified.\n");
if (block_alignment)
{
avg_length = 0;
if (duration)
{
length = 0;
if (SUCCEEDED(IMFMediaType_GetUINT32(media_type, &MF_MT_AUDIO_AVG_BYTES_PER_SECOND, &length)))
{
/* 100 ns -> 1 s */
avg_length = length * duration / (10 * 1000 * 1000);
}
}
alignment = max(16, alignment);
length = buffer_get_aligned_length(avg_length + 1, alignment);
length = buffer_get_aligned_length(length, block_alignment);
}
else
length = 0;
length = max(length, min_length);
return create_1d_buffer(length, MF_1_BYTE_ALIGNMENT, buffer);
}
else
FIXME("Major type %s is not supported.\n", debugstr_guid(&major));
return E_NOTIMPL;
}
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