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evr/presenter: Add sample allocator notification callback. 

Signed-off-by: Nikolay Sivov <nsivov@codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
This commit is contained in:
Nikolay Sivov 2020-11-10 13:07:21 +03:00 committed by Alexandre Julliard
parent 38d75c4294
commit 03a10db214
1 changed files with 64 additions and 0 deletions
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64
dlls/evr/presenter.c
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@ -66,6 +66,7 @@ struct video_presenter
IMFRateSupport IMFRateSupport_iface;
IMFGetService IMFGetService_iface;
IMFVideoPositionMapper IMFVideoPositionMapper_iface;
IMFVideoSampleAllocatorNotify allocator_cb;
IUnknown IUnknown_inner;
IUnknown *outer_unk;
LONG refcount;
@ -131,6 +132,11 @@ static struct video_presenter *impl_from_IMFVideoPositionMapper(IMFVideoPosition
return CONTAINING_RECORD(iface, struct video_presenter, IMFVideoPositionMapper_iface);
}
static struct video_presenter *impl_from_IMFVideoSampleAllocatorNotify(IMFVideoSampleAllocatorNotify *iface)
{
return CONTAINING_RECORD(iface, struct video_presenter, allocator_cb);
}
static void video_presenter_notify_renderer(struct video_presenter *presenter,
LONG event, LONG_PTR param1, LONG_PTR param2)
{
@ -183,6 +189,18 @@ static void video_presenter_get_native_video_size(struct video_presenter *presen
IMFMediaType_Release(media_type);
}
/* It is important this is called to reset callback too to break circular referencing,
when allocator keeps a reference of its container, that created it. */
static void video_presenter_set_allocator_callback(struct video_presenter *presenter,
IMFVideoSampleAllocatorNotify *notify_cb)
{
IMFVideoSampleAllocatorCallback *cb;
IMFVideoSampleAllocator_QueryInterface(presenter->allocator, &IID_IMFVideoSampleAllocatorCallback, (void **)&cb);
IMFVideoSampleAllocatorCallback_SetCallback(cb, notify_cb);
IMFVideoSampleAllocatorCallback_Release(cb);
}
static void video_presenter_reset_media_type(struct video_presenter *presenter)
{
if (presenter->media_type)
@ -190,6 +208,7 @@ static void video_presenter_reset_media_type(struct video_presenter *presenter)
presenter->media_type = NULL;
IMFVideoSampleAllocator_UninitializeSampleAllocator(presenter->allocator);
video_presenter_set_allocator_callback(presenter, NULL);
}
static HRESULT video_presenter_set_media_type(struct video_presenter *presenter, IMFMediaType *media_type)
@ -298,6 +317,8 @@ static HRESULT video_presenter_start_streaming(struct video_presenter *presenter
return E_FAIL;
}
video_presenter_set_allocator_callback(presenter, &presenter->allocator_cb);
WaitForSingleObject(presenter->thread.ready_event, INFINITE);
CloseHandle(presenter->thread.ready_event);
presenter->thread.ready_event = NULL;
@ -320,6 +341,7 @@ static HRESULT video_presenter_end_streaming(struct video_presenter *presenter)
TRACE("Terminated streaming thread tid %#x.\n", presenter->thread.tid);
memset(&presenter->thread, 0, sizeof(presenter->thread));
video_presenter_set_allocator_callback(presenter, NULL);
return S_OK;
}
@ -1222,6 +1244,47 @@ static const IMFVideoPositionMapperVtbl video_presenter_position_mapper_vtbl =
video_presenter_position_mapper_MapOutputCoordinateToInputStream,
};
static HRESULT WINAPI video_presenter_allocator_cb_QueryInterface(IMFVideoSampleAllocatorNotify *iface,
REFIID riid, void **obj)
{
if (IsEqualIID(riid, &IID_IMFVideoSampleAllocatorNotify) ||
IsEqualIID(riid, &IID_IUnknown))
{
*obj = iface;
IMFVideoSampleAllocatorNotify_AddRef(iface);
return S_OK;
}
WARN("Unsupported interface %s.\n", debugstr_guid(riid));
*obj = NULL;
return E_NOINTERFACE;
}
static ULONG WINAPI video_presenter_allocator_cb_AddRef(IMFVideoSampleAllocatorNotify *iface)
{
struct video_presenter *presenter = impl_from_IMFVideoSampleAllocatorNotify(iface);
return IMFVideoPresenter_AddRef(&presenter->IMFVideoPresenter_iface);
}
static ULONG WINAPI video_presenter_allocator_cb_Release(IMFVideoSampleAllocatorNotify *iface)
{
struct video_presenter *presenter = impl_from_IMFVideoSampleAllocatorNotify(iface);
return IMFVideoPresenter_Release(&presenter->IMFVideoPresenter_iface);
}
static HRESULT WINAPI video_presenter_allocator_cb_NotifyRelease(IMFVideoSampleAllocatorNotify *iface)
{
return E_NOTIMPL;
}
static const IMFVideoSampleAllocatorNotifyVtbl video_presenter_allocator_cb_vtbl =
{
video_presenter_allocator_cb_QueryInterface,
video_presenter_allocator_cb_AddRef,
video_presenter_allocator_cb_Release,
video_presenter_allocator_cb_NotifyRelease,
};
HRESULT WINAPI MFCreateVideoPresenter(IUnknown *owner, REFIID riid_device, REFIID riid, void **obj)
{
TRACE("%p, %s, %s, %p.\n", owner, debugstr_guid(riid_device), debugstr_guid(riid), obj);
@ -1290,6 +1353,7 @@ HRESULT evr_presenter_create(IUnknown *outer, void **out)
object->IMFRateSupport_iface.lpVtbl = &video_presenter_rate_support_vtbl;
object->IMFGetService_iface.lpVtbl = &video_presenter_getservice_vtbl;
object->IMFVideoPositionMapper_iface.lpVtbl = &video_presenter_position_mapper_vtbl;
object->allocator_cb.lpVtbl = &video_presenter_allocator_cb_vtbl;
object->IUnknown_inner.lpVtbl = &video_presenter_inner_vtbl;
object->outer_unk = outer ? outer : &object->IUnknown_inner;
object->refcount = 1;