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![Rémi Bernon](/assets/img/avatar_default.png)
Signed-off-by: Rémi Bernon <rbernon@codeweavers.com> Signed-off-by: Zebediah Figura <zfigura@codeweavers.com> Signed-off-by: Alexandre Julliard <julliard@winehq.org>
1193 lines
34 KiB
C
1193 lines
34 KiB
C
/*
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* Generic Implementation of IPin Interface
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*
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* Copyright 2003 Robert Shearman
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* Copyright 2010 Aric Stewart, CodeWeavers
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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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#include "strmbase_private.h"
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WINE_DEFAULT_DEBUG_CHANNEL(quartz);
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static const IMemInputPinVtbl MemInputPin_Vtbl;
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typedef HRESULT (*SendPinFunc)( IPin *to, LPVOID arg );
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struct enum_media_types
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{
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IEnumMediaTypes IEnumMediaTypes_iface;
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LONG refcount;
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unsigned int index, count;
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struct strmbase_pin *pin;
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};
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static const IEnumMediaTypesVtbl enum_media_types_vtbl;
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static HRESULT enum_media_types_create(struct strmbase_pin *pin, IEnumMediaTypes **out)
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{
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struct enum_media_types *object;
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AM_MEDIA_TYPE mt;
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if (!out)
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return E_POINTER;
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if (!(object = heap_alloc_zero(sizeof(*object))))
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{
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*out = NULL;
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return E_OUTOFMEMORY;
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}
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object->IEnumMediaTypes_iface.lpVtbl = &enum_media_types_vtbl;
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object->refcount = 1;
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object->pin = pin;
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IPin_AddRef(&pin->IPin_iface);
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if (pin->ops->pin_get_media_type)
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{
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while (pin->ops->pin_get_media_type(pin, object->count, &mt) == S_OK)
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{
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FreeMediaType(&mt);
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++object->count;
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}
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}
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TRACE("Created enumerator %p.\n", object);
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*out = &object->IEnumMediaTypes_iface;
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return S_OK;
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}
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static struct enum_media_types *impl_from_IEnumMediaTypes(IEnumMediaTypes *iface)
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{
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return CONTAINING_RECORD(iface, struct enum_media_types, IEnumMediaTypes_iface);
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}
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static HRESULT WINAPI enum_media_types_QueryInterface(IEnumMediaTypes *iface, REFIID iid, void **out)
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{
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TRACE("iface %p, iid %s, out %p.\n", iface, debugstr_guid(iid), out);
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if (IsEqualGUID(iid, &IID_IUnknown) || IsEqualGUID(iid, &IID_IEnumMediaTypes))
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{
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IEnumMediaTypes_AddRef(iface);
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*out = iface;
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return S_OK;
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}
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WARN("%s not implemented, returning E_NOINTERFACE.\n", debugstr_guid(iid));
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*out = NULL;
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return E_NOINTERFACE;
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}
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static ULONG WINAPI enum_media_types_AddRef(IEnumMediaTypes *iface)
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{
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struct enum_media_types *enummt = impl_from_IEnumMediaTypes(iface);
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ULONG refcount = InterlockedIncrement(&enummt->refcount);
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TRACE("%p increasing refcount to %lu.\n", enummt, refcount);
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return refcount;
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}
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static ULONG WINAPI enum_media_types_Release(IEnumMediaTypes *iface)
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{
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struct enum_media_types *enummt = impl_from_IEnumMediaTypes(iface);
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ULONG refcount = InterlockedDecrement(&enummt->refcount);
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TRACE("%p decreasing refcount to %lu.\n", enummt, refcount);
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if (!refcount)
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{
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IPin_Release(&enummt->pin->IPin_iface);
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heap_free(enummt);
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}
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return refcount;
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}
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static HRESULT WINAPI enum_media_types_Next(IEnumMediaTypes *iface, ULONG count,
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AM_MEDIA_TYPE **mts, ULONG *ret_count)
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{
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struct enum_media_types *enummt = impl_from_IEnumMediaTypes(iface);
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AM_MEDIA_TYPE mt;
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unsigned int i;
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HRESULT hr;
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TRACE("enummt %p, count %lu, mts %p, ret_count %p.\n", enummt, count, mts, ret_count);
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if (!enummt->pin->ops->pin_get_media_type)
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{
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if (ret_count)
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*ret_count = 0;
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return count ? S_FALSE : S_OK;
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}
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for (i = 0; i < count; ++i)
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{
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hr = enummt->pin->ops->pin_get_media_type(enummt->pin, enummt->index + i, &mt);
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if (hr == S_OK)
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{
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if ((mts[i] = CoTaskMemAlloc(sizeof(AM_MEDIA_TYPE))))
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*mts[i] = mt;
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else
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hr = E_OUTOFMEMORY;
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}
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if (FAILED(hr))
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{
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while (i--)
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DeleteMediaType(mts[i]);
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*ret_count = 0;
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return E_OUTOFMEMORY;
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}
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else if (hr != S_OK)
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break;
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if (TRACE_ON(quartz))
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{
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TRACE("Returning media type %u:\n", enummt->index + i);
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strmbase_dump_media_type(mts[i]);
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}
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}
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if (count != 1 || ret_count)
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*ret_count = i;
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enummt->index += i;
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return i == count ? S_OK : S_FALSE;
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}
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static HRESULT WINAPI enum_media_types_Skip(IEnumMediaTypes *iface, ULONG count)
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{
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struct enum_media_types *enummt = impl_from_IEnumMediaTypes(iface);
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TRACE("enummt %p, count %lu.\n", enummt, count);
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enummt->index += count;
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return enummt->index > enummt->count ? S_FALSE : S_OK;
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}
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static HRESULT WINAPI enum_media_types_Reset(IEnumMediaTypes *iface)
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{
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struct enum_media_types *enummt = impl_from_IEnumMediaTypes(iface);
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AM_MEDIA_TYPE mt;
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TRACE("enummt %p.\n", enummt);
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enummt->count = 0;
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if (enummt->pin->ops->pin_get_media_type)
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{
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while (enummt->pin->ops->pin_get_media_type(enummt->pin, enummt->count, &mt) == S_OK)
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{
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FreeMediaType(&mt);
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++enummt->count;
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}
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}
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enummt->index = 0;
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return S_OK;
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}
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static HRESULT WINAPI enum_media_types_Clone(IEnumMediaTypes *iface, IEnumMediaTypes **out)
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{
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struct enum_media_types *enummt = impl_from_IEnumMediaTypes(iface);
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HRESULT hr;
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TRACE("enummt %p, out %p.\n", enummt, out);
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if (FAILED(hr = enum_media_types_create(enummt->pin, out)))
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return hr;
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return IEnumMediaTypes_Skip(*out, enummt->index);
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}
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static const IEnumMediaTypesVtbl enum_media_types_vtbl =
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{
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enum_media_types_QueryInterface,
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enum_media_types_AddRef,
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enum_media_types_Release,
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enum_media_types_Next,
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enum_media_types_Skip,
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enum_media_types_Reset,
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enum_media_types_Clone,
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};
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static inline struct strmbase_pin *impl_from_IPin(IPin *iface)
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{
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return CONTAINING_RECORD(iface, struct strmbase_pin, IPin_iface);
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}
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/** Helper function, there are a lot of places where the error code is inherited
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* The following rules apply:
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*
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* Return the first received error code (E_NOTIMPL is ignored)
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* If no errors occur: return the first received non-error-code that isn't S_OK
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*/
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static HRESULT updatehres( HRESULT original, HRESULT new )
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{
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if (FAILED( original ) || new == E_NOTIMPL)
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return original;
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if (FAILED( new ) || original == S_OK)
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return new;
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return original;
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}
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/** Sends a message from a pin further to other, similar pins
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* fnMiddle is called on each pin found further on the stream.
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* fnEnd (can be NULL) is called when the message can't be sent any further (this is a renderer or source)
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*
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* If the pin given is an input pin, the message will be sent downstream to other input pins
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* If the pin given is an output pin, the message will be sent upstream to other output pins
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*/
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static HRESULT SendFurther(struct strmbase_sink *sink, SendPinFunc func, void *arg)
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{
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struct strmbase_pin *pin;
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HRESULT hr = S_OK;
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unsigned int i;
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for (i = 0; (pin = sink->pin.filter->ops->filter_get_pin(sink->pin.filter, i)); ++i)
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{
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if (pin->dir == PINDIR_OUTPUT && pin->peer)
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hr = updatehres(hr, func(pin->peer, arg));
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}
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return hr;
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}
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static HRESULT WINAPI pin_QueryInterface(IPin *iface, REFIID iid, void **out)
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{
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struct strmbase_pin *pin = impl_from_IPin(iface);
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HRESULT hr;
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TRACE("iface %p, iid %s, out %p.\n", iface, debugstr_guid(iid), out);
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*out = NULL;
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if (pin->ops->pin_query_interface && SUCCEEDED(hr = pin->ops->pin_query_interface(pin, iid, out)))
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return hr;
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if (IsEqualIID(iid, &IID_IUnknown) || IsEqualIID(iid, &IID_IPin))
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*out = iface;
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else
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{
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WARN("%s not implemented, returning E_NOINTERFACE.\n", debugstr_guid(iid));
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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 pin_AddRef(IPin *iface)
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{
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struct strmbase_pin *pin = impl_from_IPin(iface);
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return IBaseFilter_AddRef(&pin->filter->IBaseFilter_iface);
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}
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static ULONG WINAPI pin_Release(IPin *iface)
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{
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struct strmbase_pin *pin = impl_from_IPin(iface);
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return IBaseFilter_Release(&pin->filter->IBaseFilter_iface);
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}
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static HRESULT WINAPI pin_ConnectedTo(IPin * iface, IPin ** ppPin)
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{
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struct strmbase_pin *This = impl_from_IPin(iface);
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HRESULT hr;
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TRACE("pin %p %s:%s, peer %p.\n", This, debugstr_w(This->filter->name), debugstr_w(This->name), ppPin);
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EnterCriticalSection(&This->filter->filter_cs);
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{
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if (This->peer)
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{
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*ppPin = This->peer;
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IPin_AddRef(*ppPin);
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hr = S_OK;
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}
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else
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{
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hr = VFW_E_NOT_CONNECTED;
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*ppPin = NULL;
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}
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}
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LeaveCriticalSection(&This->filter->filter_cs);
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return hr;
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}
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static HRESULT WINAPI pin_ConnectionMediaType(IPin *iface, AM_MEDIA_TYPE *pmt)
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{
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struct strmbase_pin *This = impl_from_IPin(iface);
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HRESULT hr;
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TRACE("pin %p %s:%s, pmt %p.\n", This, debugstr_w(This->filter->name), debugstr_w(This->name), pmt);
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EnterCriticalSection(&This->filter->filter_cs);
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{
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if (This->peer)
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{
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CopyMediaType(pmt, &This->mt);
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strmbase_dump_media_type(pmt);
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hr = S_OK;
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}
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else
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{
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ZeroMemory(pmt, sizeof(*pmt));
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hr = VFW_E_NOT_CONNECTED;
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}
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}
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LeaveCriticalSection(&This->filter->filter_cs);
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return hr;
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}
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static HRESULT WINAPI pin_QueryPinInfo(IPin *iface, PIN_INFO *info)
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{
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struct strmbase_pin *pin = impl_from_IPin(iface);
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TRACE("pin %p %s:%s, info %p.\n", pin, debugstr_w(pin->filter->name), debugstr_w(pin->name), info);
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info->dir = pin->dir;
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IBaseFilter_AddRef(info->pFilter = &pin->filter->IBaseFilter_iface);
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lstrcpyW(info->achName, pin->name);
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return S_OK;
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}
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static HRESULT WINAPI pin_QueryDirection(IPin *iface, PIN_DIRECTION *dir)
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{
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struct strmbase_pin *pin = impl_from_IPin(iface);
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TRACE("pin %p %s:%s, dir %p.\n", pin, debugstr_w(pin->filter->name), debugstr_w(pin->name), dir);
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*dir = pin->dir;
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return S_OK;
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}
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static HRESULT WINAPI pin_QueryId(IPin *iface, WCHAR **id)
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{
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struct strmbase_pin *pin = impl_from_IPin(iface);
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TRACE("pin %p %s:%s, id %p.\n", pin, debugstr_w(pin->filter->name), debugstr_w(pin->name), id);
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if (!(*id = CoTaskMemAlloc((lstrlenW(pin->id) + 1) * sizeof(WCHAR))))
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return E_OUTOFMEMORY;
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lstrcpyW(*id, pin->id);
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return S_OK;
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}
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static BOOL query_accept(struct strmbase_pin *pin, const AM_MEDIA_TYPE *mt)
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{
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if (pin->ops->pin_query_accept && pin->ops->pin_query_accept(pin, mt) != S_OK)
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return FALSE;
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return TRUE;
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}
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static HRESULT WINAPI pin_QueryAccept(IPin *iface, const AM_MEDIA_TYPE *mt)
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{
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struct strmbase_pin *pin = impl_from_IPin(iface);
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TRACE("pin %p %s:%s, mt %p.\n", pin, debugstr_w(pin->filter->name), debugstr_w(pin->name), mt);
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strmbase_dump_media_type(mt);
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return query_accept(pin, mt) ? S_OK : S_FALSE;
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}
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static HRESULT WINAPI pin_EnumMediaTypes(IPin *iface, IEnumMediaTypes **enum_media_types)
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{
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struct strmbase_pin *pin = impl_from_IPin(iface);
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AM_MEDIA_TYPE mt;
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HRESULT hr;
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TRACE("pin %p %s:%s, enum_media_types %p.\n", pin, debugstr_w(pin->filter->name),
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debugstr_w(pin->name), enum_media_types);
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if (pin->ops->pin_get_media_type)
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{
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if (FAILED(hr = pin->ops->pin_get_media_type(pin, 0, &mt)))
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return hr;
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if (hr == S_OK)
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FreeMediaType(&mt);
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}
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return enum_media_types_create(pin, enum_media_types);
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}
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static HRESULT WINAPI pin_QueryInternalConnections(IPin *iface, IPin **pins, ULONG *count)
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{
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struct strmbase_pin *pin = impl_from_IPin(iface);
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TRACE("pin %p %s:%s, pins %p, count %p.\n", pin, debugstr_w(pin->filter->name),
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debugstr_w(pin->name), pins, count);
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return E_NOTIMPL; /* to tell caller that all input pins connected to all output pins */
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}
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/*** OutputPin implementation ***/
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static inline struct strmbase_source *impl_source_from_IPin( IPin *iface )
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{
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return CONTAINING_RECORD(iface, struct strmbase_source, pin.IPin_iface);
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}
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static BOOL compare_media_types(const AM_MEDIA_TYPE *req_mt, const AM_MEDIA_TYPE *pin_mt)
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{
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if (!req_mt)
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return TRUE;
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if (!IsEqualGUID(&req_mt->majortype, &pin_mt->majortype)
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&& !IsEqualGUID(&req_mt->majortype, &GUID_NULL))
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return FALSE;
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if (!IsEqualGUID(&req_mt->subtype, &pin_mt->subtype)
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&& !IsEqualGUID(&req_mt->subtype, &GUID_NULL))
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return FALSE;
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if (!IsEqualGUID(&req_mt->formattype, &pin_mt->formattype)
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&& !IsEqualGUID(&req_mt->formattype, &GUID_NULL))
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return FALSE;
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return TRUE;
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}
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static HRESULT WINAPI source_Connect(IPin *iface, IPin *peer, const AM_MEDIA_TYPE *mt)
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{
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struct strmbase_source *pin = impl_source_from_IPin(iface);
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AM_MEDIA_TYPE candidate, *candidate_ptr;
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IEnumMediaTypes *enummt;
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PIN_DIRECTION dir;
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unsigned int i;
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ULONG count;
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HRESULT hr;
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TRACE("pin %p %s:%s, peer %p, mt %p.\n", pin, debugstr_w(pin->pin.filter->name),
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debugstr_w(pin->pin.name), peer, mt);
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strmbase_dump_media_type(mt);
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if (!peer)
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return E_POINTER;
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IPin_QueryDirection(peer, &dir);
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if (dir != PINDIR_INPUT)
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{
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WARN("Attempt to connect to another source pin, returning VFW_E_INVALID_DIRECTION.\n");
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return VFW_E_INVALID_DIRECTION;
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}
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EnterCriticalSection(&pin->pin.filter->filter_cs);
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if (pin->pin.peer)
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{
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LeaveCriticalSection(&pin->pin.filter->filter_cs);
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WARN("Pin is already connected, returning VFW_E_ALREADY_CONNECTED.\n");
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return VFW_E_ALREADY_CONNECTED;
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}
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|
|
if (pin->pin.filter->state != State_Stopped)
|
|
{
|
|
LeaveCriticalSection(&pin->pin.filter->filter_cs);
|
|
WARN("Filter is not stopped; returning VFW_E_NOT_STOPPED.\n");
|
|
return VFW_E_NOT_STOPPED;
|
|
}
|
|
|
|
/* We don't check the subtype here. The rationale (as given by the DirectX
|
|
* documentation) is that the format type is supposed to provide at least
|
|
* as much information as the subtype. */
|
|
if (mt && !IsEqualGUID(&mt->majortype, &GUID_NULL)
|
|
&& !IsEqualGUID(&mt->formattype, &GUID_NULL))
|
|
{
|
|
hr = pin->pFuncsTable->pfnAttemptConnection(pin, peer, mt);
|
|
LeaveCriticalSection(&pin->pin.filter->filter_cs);
|
|
return hr;
|
|
}
|
|
|
|
if (SUCCEEDED(IPin_EnumMediaTypes(peer, &enummt)))
|
|
{
|
|
while (IEnumMediaTypes_Next(enummt, 1, &candidate_ptr, &count) == S_OK)
|
|
{
|
|
if (compare_media_types(mt, candidate_ptr)
|
|
&& pin->pFuncsTable->pfnAttemptConnection(pin, peer, candidate_ptr) == S_OK)
|
|
{
|
|
LeaveCriticalSection(&pin->pin.filter->filter_cs);
|
|
DeleteMediaType(candidate_ptr);
|
|
IEnumMediaTypes_Release(enummt);
|
|
return S_OK;
|
|
}
|
|
DeleteMediaType(candidate_ptr);
|
|
}
|
|
|
|
IEnumMediaTypes_Release(enummt);
|
|
}
|
|
|
|
if (pin->pFuncsTable->base.pin_get_media_type)
|
|
{
|
|
for (i = 0; pin->pFuncsTable->base.pin_get_media_type(&pin->pin, i, &candidate) == S_OK; ++i)
|
|
{
|
|
strmbase_dump_media_type(&candidate);
|
|
if (compare_media_types(mt, &candidate)
|
|
&& pin->pFuncsTable->pfnAttemptConnection(pin, peer, &candidate) == S_OK)
|
|
{
|
|
LeaveCriticalSection(&pin->pin.filter->filter_cs);
|
|
FreeMediaType(&candidate);
|
|
return S_OK;
|
|
}
|
|
FreeMediaType(&candidate);
|
|
}
|
|
}
|
|
|
|
LeaveCriticalSection(&pin->pin.filter->filter_cs);
|
|
|
|
return VFW_E_NO_ACCEPTABLE_TYPES;
|
|
}
|
|
|
|
static HRESULT WINAPI source_ReceiveConnection(IPin *iface, IPin *peer, const AM_MEDIA_TYPE *mt)
|
|
{
|
|
struct strmbase_source *pin = impl_source_from_IPin(iface);
|
|
|
|
WARN("pin %p %s:%s, peer %p, mt %p, unexpected call.\n", pin,
|
|
debugstr_w(pin->pin.filter->name), debugstr_w(pin->pin.name), peer, mt);
|
|
|
|
return E_UNEXPECTED;
|
|
}
|
|
|
|
static HRESULT WINAPI source_Disconnect(IPin *iface)
|
|
{
|
|
HRESULT hr;
|
|
struct strmbase_source *This = impl_source_from_IPin(iface);
|
|
|
|
TRACE("pin %p %s:%s.\n", This, debugstr_w(This->pin.filter->name), debugstr_w(This->pin.name));
|
|
|
|
EnterCriticalSection(&This->pin.filter->filter_cs);
|
|
{
|
|
if (This->pin.filter->state != State_Stopped)
|
|
{
|
|
LeaveCriticalSection(&This->pin.filter->filter_cs);
|
|
WARN("Filter is not stopped; returning VFW_E_NOT_STOPPED.\n");
|
|
return VFW_E_NOT_STOPPED;
|
|
}
|
|
|
|
if (This->pFuncsTable->source_disconnect)
|
|
This->pFuncsTable->source_disconnect(This);
|
|
|
|
if (This->pMemInputPin)
|
|
{
|
|
IMemInputPin_Release(This->pMemInputPin);
|
|
This->pMemInputPin = NULL;
|
|
}
|
|
|
|
if (This->pAllocator)
|
|
{
|
|
IMemAllocator_Release(This->pAllocator);
|
|
This->pAllocator = NULL;
|
|
}
|
|
|
|
if (This->pin.peer)
|
|
{
|
|
IPin_Release(This->pin.peer);
|
|
This->pin.peer = NULL;
|
|
FreeMediaType(&This->pin.mt);
|
|
ZeroMemory(&This->pin.mt, sizeof(This->pin.mt));
|
|
hr = S_OK;
|
|
}
|
|
else
|
|
hr = S_FALSE;
|
|
}
|
|
LeaveCriticalSection(&This->pin.filter->filter_cs);
|
|
|
|
return hr;
|
|
}
|
|
|
|
static HRESULT WINAPI source_EndOfStream(IPin *iface)
|
|
{
|
|
struct strmbase_source *pin = impl_source_from_IPin(iface);
|
|
|
|
WARN("pin %p %s:%s, unexpected call.\n", pin, debugstr_w(pin->pin.filter->name), debugstr_w(pin->pin.name));
|
|
|
|
/* not supposed to do anything in an output pin */
|
|
|
|
return E_UNEXPECTED;
|
|
}
|
|
|
|
static HRESULT WINAPI source_BeginFlush(IPin *iface)
|
|
{
|
|
struct strmbase_source *pin = impl_source_from_IPin(iface);
|
|
|
|
WARN("pin %p %s:%s, unexpected call.\n", pin, debugstr_w(pin->pin.filter->name), debugstr_w(pin->pin.name));
|
|
|
|
/* not supposed to do anything in an output pin */
|
|
|
|
return E_UNEXPECTED;
|
|
}
|
|
|
|
static HRESULT WINAPI source_EndFlush(IPin *iface)
|
|
{
|
|
struct strmbase_source *pin = impl_source_from_IPin(iface);
|
|
|
|
WARN("pin %p %s:%s, unexpected call.\n", pin, debugstr_w(pin->pin.filter->name), debugstr_w(pin->pin.name));
|
|
|
|
/* not supposed to do anything in an output pin */
|
|
|
|
return E_UNEXPECTED;
|
|
}
|
|
|
|
static HRESULT WINAPI source_NewSegment(IPin * iface, REFERENCE_TIME start, REFERENCE_TIME stop, double rate)
|
|
{
|
|
struct strmbase_source *pin = impl_source_from_IPin(iface);
|
|
|
|
TRACE("pin %p %s:%s, start %s, stop %s, rate %.16e.\n", pin, debugstr_w(pin->pin.filter->name),
|
|
debugstr_w(pin->pin.name), debugstr_time(start), debugstr_time(stop), rate);
|
|
|
|
return S_OK;
|
|
}
|
|
|
|
static const IPinVtbl source_vtbl =
|
|
{
|
|
pin_QueryInterface,
|
|
pin_AddRef,
|
|
pin_Release,
|
|
source_Connect,
|
|
source_ReceiveConnection,
|
|
source_Disconnect,
|
|
pin_ConnectedTo,
|
|
pin_ConnectionMediaType,
|
|
pin_QueryPinInfo,
|
|
pin_QueryDirection,
|
|
pin_QueryId,
|
|
pin_QueryAccept,
|
|
pin_EnumMediaTypes,
|
|
pin_QueryInternalConnections,
|
|
source_EndOfStream,
|
|
source_BeginFlush,
|
|
source_EndFlush,
|
|
source_NewSegment,
|
|
};
|
|
|
|
HRESULT WINAPI BaseOutputPinImpl_DecideAllocator(struct strmbase_source *This,
|
|
IMemInputPin *pPin, IMemAllocator **pAlloc)
|
|
{
|
|
HRESULT hr;
|
|
|
|
hr = IMemInputPin_GetAllocator(pPin, pAlloc);
|
|
|
|
if (hr == VFW_E_NO_ALLOCATOR)
|
|
hr = CoCreateInstance(&CLSID_MemoryAllocator, NULL,
|
|
CLSCTX_INPROC_SERVER, &IID_IMemAllocator, (void **)pAlloc);
|
|
|
|
if (SUCCEEDED(hr))
|
|
{
|
|
ALLOCATOR_PROPERTIES rProps;
|
|
ZeroMemory(&rProps, sizeof(ALLOCATOR_PROPERTIES));
|
|
|
|
IMemInputPin_GetAllocatorRequirements(pPin, &rProps);
|
|
hr = This->pFuncsTable->pfnDecideBufferSize(This, *pAlloc, &rProps);
|
|
}
|
|
|
|
if (SUCCEEDED(hr))
|
|
hr = IMemInputPin_NotifyAllocator(pPin, *pAlloc, FALSE);
|
|
|
|
return hr;
|
|
}
|
|
|
|
/*** The Construct functions ***/
|
|
|
|
/* Function called as a helper to IPin_Connect */
|
|
/* specific AM_MEDIA_TYPE - it cannot be NULL */
|
|
HRESULT WINAPI BaseOutputPinImpl_AttemptConnection(struct strmbase_source *This,
|
|
IPin *pReceivePin, const AM_MEDIA_TYPE *pmt)
|
|
{
|
|
HRESULT hr;
|
|
IMemAllocator * pMemAlloc = NULL;
|
|
|
|
TRACE("(%p)->(%p, %p)\n", This, pReceivePin, pmt);
|
|
|
|
if (!query_accept(&This->pin, pmt))
|
|
return VFW_E_TYPE_NOT_ACCEPTED;
|
|
|
|
This->pin.peer = pReceivePin;
|
|
IPin_AddRef(pReceivePin);
|
|
CopyMediaType(&This->pin.mt, pmt);
|
|
|
|
hr = IPin_ReceiveConnection(pReceivePin, &This->pin.IPin_iface, pmt);
|
|
|
|
/* get the IMemInputPin interface we will use to deliver samples to the
|
|
* connected pin */
|
|
if (SUCCEEDED(hr))
|
|
{
|
|
This->pMemInputPin = NULL;
|
|
hr = IPin_QueryInterface(pReceivePin, &IID_IMemInputPin, (LPVOID)&This->pMemInputPin);
|
|
|
|
if (SUCCEEDED(hr))
|
|
{
|
|
hr = This->pFuncsTable->pfnDecideAllocator(This, This->pMemInputPin, &pMemAlloc);
|
|
if (SUCCEEDED(hr))
|
|
This->pAllocator = pMemAlloc;
|
|
else if (pMemAlloc)
|
|
IMemAllocator_Release(pMemAlloc);
|
|
}
|
|
|
|
/* break connection if we couldn't get the allocator */
|
|
if (FAILED(hr))
|
|
{
|
|
if (This->pMemInputPin)
|
|
IMemInputPin_Release(This->pMemInputPin);
|
|
This->pMemInputPin = NULL;
|
|
|
|
IPin_Disconnect(pReceivePin);
|
|
}
|
|
}
|
|
|
|
if (FAILED(hr))
|
|
{
|
|
IPin_Release(This->pin.peer);
|
|
This->pin.peer = NULL;
|
|
FreeMediaType(&This->pin.mt);
|
|
}
|
|
|
|
TRACE("Returning %#lx.\n", hr);
|
|
return hr;
|
|
}
|
|
|
|
void strmbase_source_init(struct strmbase_source *pin, struct strmbase_filter *filter,
|
|
const WCHAR *name, const struct strmbase_source_ops *func_table)
|
|
{
|
|
memset(pin, 0, sizeof(*pin));
|
|
pin->pin.IPin_iface.lpVtbl = &source_vtbl;
|
|
pin->pin.filter = filter;
|
|
pin->pin.dir = PINDIR_OUTPUT;
|
|
lstrcpyW(pin->pin.name, name);
|
|
lstrcpyW(pin->pin.id, name);
|
|
pin->pin.ops = &func_table->base;
|
|
pin->pFuncsTable = func_table;
|
|
}
|
|
|
|
void strmbase_source_cleanup(struct strmbase_source *pin)
|
|
{
|
|
FreeMediaType(&pin->pin.mt);
|
|
if (pin->pAllocator)
|
|
IMemAllocator_Release(pin->pAllocator);
|
|
pin->pAllocator = NULL;
|
|
}
|
|
|
|
static struct strmbase_sink *impl_sink_from_IPin(IPin *iface)
|
|
{
|
|
return CONTAINING_RECORD(iface, struct strmbase_sink, pin.IPin_iface);
|
|
}
|
|
|
|
static HRESULT WINAPI sink_Connect(IPin *iface, IPin *peer, const AM_MEDIA_TYPE *mt)
|
|
{
|
|
struct strmbase_sink *pin = impl_sink_from_IPin(iface);
|
|
|
|
WARN("pin %p %s:%s, peer %p, mt %p, unexpected call.\n", pin, debugstr_w(pin->pin.name),
|
|
debugstr_w(pin->pin.filter->name), peer, mt);
|
|
|
|
return E_UNEXPECTED;
|
|
}
|
|
|
|
|
|
static HRESULT WINAPI sink_ReceiveConnection(IPin *iface, IPin *pReceivePin, const AM_MEDIA_TYPE *pmt)
|
|
{
|
|
struct strmbase_sink *This = impl_sink_from_IPin(iface);
|
|
PIN_DIRECTION pindirReceive;
|
|
HRESULT hr = S_OK;
|
|
|
|
TRACE("pin %p %s:%s, peer %p, mt %p.\n", This, debugstr_w(This->pin.filter->name),
|
|
debugstr_w(This->pin.name), pReceivePin, pmt);
|
|
strmbase_dump_media_type(pmt);
|
|
|
|
if (!pmt)
|
|
return E_POINTER;
|
|
|
|
EnterCriticalSection(&This->pin.filter->filter_cs);
|
|
{
|
|
if (This->pin.filter->state != State_Stopped)
|
|
{
|
|
LeaveCriticalSection(&This->pin.filter->filter_cs);
|
|
WARN("Filter is not stopped; returning VFW_E_NOT_STOPPED.\n");
|
|
return VFW_E_NOT_STOPPED;
|
|
}
|
|
|
|
if (This->pin.peer)
|
|
hr = VFW_E_ALREADY_CONNECTED;
|
|
|
|
if (SUCCEEDED(hr) && !query_accept(&This->pin, pmt))
|
|
hr = VFW_E_TYPE_NOT_ACCEPTED; /* FIXME: shouldn't we just map common errors onto
|
|
* VFW_E_TYPE_NOT_ACCEPTED and pass the value on otherwise? */
|
|
|
|
if (SUCCEEDED(hr))
|
|
{
|
|
IPin_QueryDirection(pReceivePin, &pindirReceive);
|
|
|
|
if (pindirReceive != PINDIR_OUTPUT)
|
|
{
|
|
ERR("Can't connect from non-output pin\n");
|
|
hr = VFW_E_INVALID_DIRECTION;
|
|
}
|
|
}
|
|
|
|
if (SUCCEEDED(hr) && This->pFuncsTable->sink_connect)
|
|
hr = This->pFuncsTable->sink_connect(This, pReceivePin, pmt);
|
|
|
|
if (SUCCEEDED(hr))
|
|
{
|
|
CopyMediaType(&This->pin.mt, pmt);
|
|
This->pin.peer = pReceivePin;
|
|
IPin_AddRef(pReceivePin);
|
|
}
|
|
}
|
|
LeaveCriticalSection(&This->pin.filter->filter_cs);
|
|
|
|
return hr;
|
|
}
|
|
|
|
static HRESULT WINAPI sink_Disconnect(IPin *iface)
|
|
{
|
|
struct strmbase_sink *pin = impl_sink_from_IPin(iface);
|
|
HRESULT hr;
|
|
|
|
TRACE("pin %p %s:%s.\n", pin, debugstr_w(pin->pin.filter->name), debugstr_w(pin->pin.name));
|
|
|
|
EnterCriticalSection(&pin->pin.filter->filter_cs);
|
|
|
|
if (pin->pin.filter->state != State_Stopped)
|
|
{
|
|
LeaveCriticalSection(&pin->pin.filter->filter_cs);
|
|
WARN("Filter is not stopped; returning VFW_E_NOT_STOPPED.\n");
|
|
return VFW_E_NOT_STOPPED;
|
|
}
|
|
|
|
if (pin->pin.peer)
|
|
{
|
|
if (pin->pFuncsTable->sink_disconnect)
|
|
pin->pFuncsTable->sink_disconnect(pin);
|
|
|
|
if (pin->pAllocator)
|
|
{
|
|
IMemAllocator_Release(pin->pAllocator);
|
|
pin->pAllocator = NULL;
|
|
}
|
|
|
|
IPin_Release(pin->pin.peer);
|
|
pin->pin.peer = NULL;
|
|
FreeMediaType(&pin->pin.mt);
|
|
memset(&pin->pin.mt, 0, sizeof(AM_MEDIA_TYPE));
|
|
hr = S_OK;
|
|
}
|
|
else
|
|
hr = S_FALSE;
|
|
|
|
LeaveCriticalSection(&pin->pin.filter->filter_cs);
|
|
|
|
return hr;
|
|
}
|
|
|
|
static HRESULT deliver_endofstream(IPin* pin, LPVOID unused)
|
|
{
|
|
return IPin_EndOfStream( pin );
|
|
}
|
|
|
|
static HRESULT WINAPI sink_EndOfStream(IPin *iface)
|
|
{
|
|
struct strmbase_sink *pin = impl_sink_from_IPin(iface);
|
|
HRESULT hr = S_OK;
|
|
|
|
TRACE("pin %p %s:%s.\n", pin, debugstr_w(pin->pin.filter->name), debugstr_w(pin->pin.name));
|
|
|
|
if (pin->pFuncsTable->sink_eos)
|
|
{
|
|
EnterCriticalSection(&pin->pin.filter->stream_cs);
|
|
hr = pin->pFuncsTable->sink_eos(pin);
|
|
LeaveCriticalSection(&pin->pin.filter->stream_cs);
|
|
return hr;
|
|
}
|
|
|
|
EnterCriticalSection(&pin->pin.filter->filter_cs);
|
|
if (pin->flushing)
|
|
hr = S_FALSE;
|
|
LeaveCriticalSection(&pin->pin.filter->filter_cs);
|
|
|
|
if (hr == S_OK)
|
|
hr = SendFurther(pin, deliver_endofstream, NULL);
|
|
return hr;
|
|
}
|
|
|
|
static HRESULT deliver_beginflush(IPin* pin, LPVOID unused)
|
|
{
|
|
return IPin_BeginFlush( pin );
|
|
}
|
|
|
|
static HRESULT WINAPI sink_BeginFlush(IPin *iface)
|
|
{
|
|
struct strmbase_sink *pin = impl_sink_from_IPin(iface);
|
|
HRESULT hr;
|
|
|
|
TRACE("pin %p %s:%s.\n", pin, debugstr_w(pin->pin.filter->name), debugstr_w(pin->pin.name));
|
|
|
|
EnterCriticalSection(&pin->pin.filter->filter_cs);
|
|
|
|
pin->flushing = TRUE;
|
|
|
|
if (pin->pFuncsTable->sink_begin_flush)
|
|
hr = pin->pFuncsTable->sink_begin_flush(pin);
|
|
else
|
|
hr = SendFurther(pin, deliver_beginflush, NULL);
|
|
|
|
LeaveCriticalSection(&pin->pin.filter->filter_cs);
|
|
|
|
return hr;
|
|
}
|
|
|
|
static HRESULT deliver_endflush(IPin* pin, LPVOID unused)
|
|
{
|
|
return IPin_EndFlush( pin );
|
|
}
|
|
|
|
static HRESULT WINAPI sink_EndFlush(IPin * iface)
|
|
{
|
|
struct strmbase_sink *pin = impl_sink_from_IPin(iface);
|
|
HRESULT hr;
|
|
|
|
TRACE("pin %p %s:%s.\n", pin, debugstr_w(pin->pin.filter->name), debugstr_w(pin->pin.name));
|
|
|
|
EnterCriticalSection(&pin->pin.filter->filter_cs);
|
|
|
|
pin->flushing = FALSE;
|
|
|
|
if (pin->pFuncsTable->sink_end_flush)
|
|
hr = pin->pFuncsTable->sink_end_flush(pin);
|
|
else
|
|
hr = SendFurther(pin, deliver_endflush, NULL);
|
|
|
|
LeaveCriticalSection(&pin->pin.filter->filter_cs);
|
|
|
|
return hr;
|
|
}
|
|
|
|
typedef struct newsegmentargs
|
|
{
|
|
REFERENCE_TIME tStart, tStop;
|
|
double rate;
|
|
} newsegmentargs;
|
|
|
|
static HRESULT deliver_newsegment(IPin *pin, LPVOID data)
|
|
{
|
|
newsegmentargs *args = data;
|
|
return IPin_NewSegment(pin, args->tStart, args->tStop, args->rate);
|
|
}
|
|
|
|
static HRESULT WINAPI sink_NewSegment(IPin *iface, REFERENCE_TIME start, REFERENCE_TIME stop, double rate)
|
|
{
|
|
struct strmbase_sink *pin = impl_sink_from_IPin(iface);
|
|
newsegmentargs args;
|
|
|
|
TRACE("pin %p %s:%s, start %s, stop %s, rate %.16e.\n", pin, debugstr_w(pin->pin.filter->name),
|
|
debugstr_w(pin->pin.name), debugstr_time(start), debugstr_time(stop), rate);
|
|
|
|
if (pin->pFuncsTable->sink_new_segment)
|
|
return pin->pFuncsTable->sink_new_segment(pin, start, stop, rate);
|
|
|
|
args.tStart = start;
|
|
args.tStop = stop;
|
|
args.rate = rate;
|
|
|
|
return SendFurther(pin, deliver_newsegment, &args);
|
|
}
|
|
|
|
static const IPinVtbl sink_vtbl =
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{
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pin_QueryInterface,
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pin_AddRef,
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pin_Release,
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sink_Connect,
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sink_ReceiveConnection,
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sink_Disconnect,
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pin_ConnectedTo,
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pin_ConnectionMediaType,
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pin_QueryPinInfo,
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pin_QueryDirection,
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pin_QueryId,
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pin_QueryAccept,
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pin_EnumMediaTypes,
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pin_QueryInternalConnections,
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sink_EndOfStream,
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sink_BeginFlush,
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sink_EndFlush,
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sink_NewSegment,
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};
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/*** IMemInputPin implementation ***/
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static inline struct strmbase_sink *impl_from_IMemInputPin(IMemInputPin *iface)
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{
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return CONTAINING_RECORD(iface, struct strmbase_sink, IMemInputPin_iface);
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}
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static HRESULT WINAPI MemInputPin_QueryInterface(IMemInputPin * iface, REFIID riid, LPVOID * ppv)
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{
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struct strmbase_sink *This = impl_from_IMemInputPin(iface);
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return IPin_QueryInterface(&This->pin.IPin_iface, riid, ppv);
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}
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static ULONG WINAPI MemInputPin_AddRef(IMemInputPin * iface)
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{
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struct strmbase_sink *This = impl_from_IMemInputPin(iface);
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return IPin_AddRef(&This->pin.IPin_iface);
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}
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static ULONG WINAPI MemInputPin_Release(IMemInputPin * iface)
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{
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struct strmbase_sink *This = impl_from_IMemInputPin(iface);
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|
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return IPin_Release(&This->pin.IPin_iface);
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}
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|
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static HRESULT WINAPI MemInputPin_GetAllocator(IMemInputPin * iface, IMemAllocator ** ppAllocator)
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{
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struct strmbase_sink *This = impl_from_IMemInputPin(iface);
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|
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TRACE("pin %p %s:%s, allocator %p.\n", This, debugstr_w(This->pin.filter->name),
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debugstr_w(This->pin.name), ppAllocator);
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*ppAllocator = This->pAllocator;
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if (*ppAllocator)
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IMemAllocator_AddRef(*ppAllocator);
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return *ppAllocator ? S_OK : VFW_E_NO_ALLOCATOR;
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}
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static HRESULT WINAPI MemInputPin_NotifyAllocator(IMemInputPin * iface, IMemAllocator * pAllocator, BOOL bReadOnly)
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|
{
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struct strmbase_sink *This = impl_from_IMemInputPin(iface);
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|
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TRACE("pin %p %s:%s, allocator %p, read_only %d.\n", This, debugstr_w(This->pin.filter->name),
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debugstr_w(This->pin.name), pAllocator, bReadOnly);
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|
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if (bReadOnly)
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FIXME("Read only flag not handled yet!\n");
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|
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/* FIXME: Should we release the allocator on disconnection? */
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|
if (!pAllocator)
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|
{
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|
WARN("Null allocator\n");
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|
return E_POINTER;
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|
}
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|
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if (This->preferred_allocator && pAllocator != This->preferred_allocator)
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|
return E_FAIL;
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|
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if (This->pAllocator)
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IMemAllocator_Release(This->pAllocator);
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This->pAllocator = pAllocator;
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if (This->pAllocator)
|
|
IMemAllocator_AddRef(This->pAllocator);
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|
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|
return S_OK;
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|
}
|
|
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static HRESULT WINAPI MemInputPin_GetAllocatorRequirements(IMemInputPin *iface, ALLOCATOR_PROPERTIES *props)
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|
{
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|
struct strmbase_sink *pin = impl_from_IMemInputPin(iface);
|
|
|
|
TRACE("pin %p %s:%s, props %p.\n", pin, debugstr_w(pin->pin.filter->name),
|
|
debugstr_w(pin->pin.name), props);
|
|
|
|
/* override this method if you have any specific requirements */
|
|
|
|
return E_NOTIMPL;
|
|
}
|
|
|
|
static HRESULT WINAPI MemInputPin_Receive(IMemInputPin *iface, IMediaSample *sample)
|
|
{
|
|
struct strmbase_sink *pin = impl_from_IMemInputPin(iface);
|
|
HRESULT hr = S_FALSE;
|
|
|
|
TRACE("pin %p %s:%s, sample %p.\n", pin, debugstr_w(pin->pin.filter->name),
|
|
debugstr_w(pin->pin.name), sample);
|
|
|
|
if (pin->pFuncsTable->pfnReceive)
|
|
{
|
|
EnterCriticalSection(&pin->pin.filter->stream_cs);
|
|
hr = pin->pFuncsTable->pfnReceive(pin, sample);
|
|
LeaveCriticalSection(&pin->pin.filter->stream_cs);
|
|
}
|
|
return hr;
|
|
}
|
|
|
|
static HRESULT WINAPI MemInputPin_ReceiveMultiple(IMemInputPin * iface, IMediaSample ** pSamples, LONG nSamples, LONG *nSamplesProcessed)
|
|
{
|
|
HRESULT hr = S_OK;
|
|
|
|
for (*nSamplesProcessed = 0; *nSamplesProcessed < nSamples; (*nSamplesProcessed)++)
|
|
{
|
|
hr = IMemInputPin_Receive(iface, pSamples[*nSamplesProcessed]);
|
|
if (hr != S_OK)
|
|
break;
|
|
}
|
|
|
|
return hr;
|
|
}
|
|
|
|
static HRESULT WINAPI MemInputPin_ReceiveCanBlock(IMemInputPin * iface)
|
|
{
|
|
struct strmbase_sink *pin = impl_from_IMemInputPin(iface);
|
|
|
|
TRACE("pin %p %s:%s.\n", pin, debugstr_w(pin->pin.filter->name), debugstr_w(pin->pin.name));
|
|
|
|
return S_OK;
|
|
}
|
|
|
|
static const IMemInputPinVtbl MemInputPin_Vtbl =
|
|
{
|
|
MemInputPin_QueryInterface,
|
|
MemInputPin_AddRef,
|
|
MemInputPin_Release,
|
|
MemInputPin_GetAllocator,
|
|
MemInputPin_NotifyAllocator,
|
|
MemInputPin_GetAllocatorRequirements,
|
|
MemInputPin_Receive,
|
|
MemInputPin_ReceiveMultiple,
|
|
MemInputPin_ReceiveCanBlock
|
|
};
|
|
|
|
void strmbase_sink_init(struct strmbase_sink *pin, struct strmbase_filter *filter,
|
|
const WCHAR *name, const struct strmbase_sink_ops *func_table, IMemAllocator *allocator)
|
|
{
|
|
memset(pin, 0, sizeof(*pin));
|
|
pin->pin.IPin_iface.lpVtbl = &sink_vtbl;
|
|
pin->pin.filter = filter;
|
|
pin->pin.dir = PINDIR_INPUT;
|
|
lstrcpyW(pin->pin.name, name);
|
|
lstrcpyW(pin->pin.id, name);
|
|
pin->pin.ops = &func_table->base;
|
|
pin->pFuncsTable = func_table;
|
|
pin->pAllocator = pin->preferred_allocator = allocator;
|
|
if (pin->preferred_allocator)
|
|
IMemAllocator_AddRef(pin->preferred_allocator);
|
|
pin->IMemInputPin_iface.lpVtbl = &MemInputPin_Vtbl;
|
|
}
|
|
|
|
void strmbase_sink_cleanup(struct strmbase_sink *pin)
|
|
{
|
|
FreeMediaType(&pin->pin.mt);
|
|
if (pin->pAllocator)
|
|
IMemAllocator_Release(pin->pAllocator);
|
|
pin->pAllocator = NULL;
|
|
pin->pin.IPin_iface.lpVtbl = NULL;
|
|
}
|