passthrough.c File Reference

#include "quartz_private.h"

Include dependency graph for passthrough.c:

Go to the source code of this file.

Classes
struct	seeking_passthrough

Functions
	WINE_DEFAULT_DEBUG_CHANNEL (quartz)
static struct seeking_passthrough *	impl_from_IUnknown (IUnknown *iface)
static HRESULT WINAPI	seeking_passthrough_QueryInterface (IUnknown *iface, REFIID iid, void **out)
static ULONG WINAPI	seeking_passthrough_AddRef (IUnknown *iface)
static ULONG WINAPI	seeking_passthrough_Release (IUnknown *iface)
HRESULT	seeking_passthrough_create (IUnknown *outer, IUnknown **out)

Variables
static const IUnknownVtbl	seeking_passthrough_vtbl

Function Documentation

impl_from_IUnknown()

static struct seeking_passthrough * impl_from_IUnknown ( IUnknown *  iface )

static

Definition at line 34 of file passthrough.c.

{
    return CONTAINING_RECORD(iface, struct seeking_passthrough, IUnknown_inner);
}

Referenced by seeking_passthrough_AddRef(), seeking_passthrough_QueryInterface(), and seeking_passthrough_Release().

seeking_passthrough_AddRef()

static ULONG WINAPI seeking_passthrough_AddRef ( IUnknown *  iface )

static

Definition at line 64 of file passthrough.c.

{
    struct seeking_passthrough *passthrough = impl_from_IUnknown(iface);
    ULONG refcount = InterlockedIncrement(&passthrough->refcount);
 
    TRACE("%p increasing refcount to %lu.\n", passthrough, refcount);
    return refcount;
}

seeking_passthrough_create()

HRESULT seeking_passthrough_create	(	IUnknown *	outer,
		IUnknown **	out
	)

Definition at line 94 of file passthrough.c.

{
    struct seeking_passthrough *object;
 
    TRACE("outer %p, out %p.\n", outer, out);
 
    if (!(object = calloc(1, sizeof(*object))))
        return E_OUTOFMEMORY;
 
    object->IUnknown_inner.lpVtbl = &seeking_passthrough_vtbl;
    object->outer_unk = outer ? outer : &object->IUnknown_inner;
    object->refcount = 1;
 
    strmbase_passthrough_init(&object->passthrough, object->outer_unk);
 
    TRACE("Created seeking passthrough %p.\n", object);
    *out = &object->IUnknown_inner;
    return S_OK;
}

seeking_passthrough_QueryInterface()

static HRESULT WINAPI seeking_passthrough_QueryInterface ( IUnknown *  iface, REFIID  iid, void **  out  )

static

Definition at line 39 of file passthrough.c.

{
    struct seeking_passthrough *passthrough = impl_from_IUnknown(iface);
 
    TRACE("passthrough %p, iid %s, out %p.\n", passthrough, debugstr_guid(iid), out);
 
    if (IsEqualGUID(iid, &IID_IUnknown))
        *out = iface;
    else if (IsEqualGUID(iid, &IID_IMediaPosition))
        *out = &passthrough->passthrough.IMediaPosition_iface;
    else if (IsEqualGUID(iid, &IID_IMediaSeeking))
        *out = &passthrough->passthrough.IMediaSeeking_iface;
    else if (IsEqualGUID(iid, &IID_ISeekingPassThru))
        *out = &passthrough->passthrough.ISeekingPassThru_iface;
    else
    {
        *out = NULL;
        WARN("%s not implemented, returning E_NOINTERFACE.\n", debugstr_guid(iid));
        return E_NOINTERFACE;
    }
 
    IUnknown_AddRef((IUnknown *)*out);
    return S_OK;
}

seeking_passthrough_Release()

static ULONG WINAPI seeking_passthrough_Release ( IUnknown *  iface )

static

Definition at line 73 of file passthrough.c.

{
    struct seeking_passthrough *passthrough = impl_from_IUnknown(iface);
    ULONG refcount = InterlockedDecrement(&passthrough->refcount);
 
    TRACE("%p decreasing refcount to %lu.\n", passthrough, refcount);
    if (!refcount)
    {
        strmbase_passthrough_cleanup(&passthrough->passthrough);
        free(passthrough);
    }
    return refcount;
}

WINE_DEFAULT_DEBUG_CHANNEL()

WINE_DEFAULT_DEBUG_CHANNEL

(

quartz

)

Variable Documentation

seeking_passthrough_vtbl

const IUnknownVtbl seeking_passthrough_vtbl

static

Initial value:

=
{
    seeking_passthrough_QueryInterface,
    seeking_passthrough_AddRef,
    seeking_passthrough_Release,
}

Definition at line 87 of file passthrough.c.

Referenced by seeking_passthrough_create().