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Sweden-Number/dlls/mf/session.c

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/*
* Copyright 2017 Nikolay Sivov
*
* 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
*/
#include <stdarg.h>
#define COBJMACROS
#include "windef.h"
#include "winbase.h"
#include "mfidl.h"
#include "mfapi.h"
#include "mferror.h"
#include "wine/debug.h"
#include "wine/heap.h"
#include "wine/list.h"
WINE_DEFAULT_DEBUG_CHANNEL(mfplat);
enum session_command
{
SESSION_CMD_CLEAR_TOPOLOGIES,
SESSION_CMD_CLOSE,
};
struct session_op
{
IUnknown IUnknown_iface;
LONG refcount;
enum session_command command;
};
struct queued_topology
{
struct list entry;
IMFTopology *topology;
};
enum session_state
{
SESSION_STATE_STOPPED = 0,
SESSION_STATE_CLOSED,
SESSION_STATE_SHUT_DOWN,
};
struct media_session
{
IMFMediaSession IMFMediaSession_iface;
IMFGetService IMFGetService_iface;
IMFRateSupport IMFRateSupport_iface;
IMFRateControl IMFRateControl_iface;
IMFAsyncCallback commands_callback;
LONG refcount;
IMFMediaEventQueue *event_queue;
IMFPresentationClock *clock;
IMFRateControl *clock_rate_control;
struct list topologies;
enum session_state state;
CRITICAL_SECTION cs;
};
struct clock_sink
{
struct list entry;
IMFClockStateSink *state_sink;
};
enum clock_command
{
CLOCK_CMD_START = 0,
CLOCK_CMD_STOP,
CLOCK_CMD_PAUSE,
CLOCK_CMD_SET_RATE,
CLOCK_CMD_MAX,
};
enum clock_notification
{
CLOCK_NOTIFY_START,
CLOCK_NOTIFY_STOP,
CLOCK_NOTIFY_PAUSE,
CLOCK_NOTIFY_RESTART,
CLOCK_NOTIFY_SET_RATE,
};
struct clock_state_change_param
{
union
{
LONGLONG offset;
float rate;
} u;
};
struct sink_notification
{
IUnknown IUnknown_iface;
LONG refcount;
MFTIME system_time;
struct clock_state_change_param param;
enum clock_notification notification;
IMFClockStateSink *sink;
};
struct presentation_clock
{
IMFPresentationClock IMFPresentationClock_iface;
IMFRateControl IMFRateControl_iface;
IMFTimer IMFTimer_iface;
IMFShutdown IMFShutdown_iface;
IMFAsyncCallback IMFAsyncCallback_iface;
LONG refcount;
IMFPresentationTimeSource *time_source;
IMFClockStateSink *time_source_sink;
MFCLOCK_STATE state;
struct list sinks;
float rate;
CRITICAL_SECTION cs;
};
static inline struct media_session *impl_from_IMFMediaSession(IMFMediaSession *iface)
{
return CONTAINING_RECORD(iface, struct media_session, IMFMediaSession_iface);
}
static struct media_session *impl_from_commands_callback_IMFAsyncCallback(IMFAsyncCallback *iface)
{
return CONTAINING_RECORD(iface, struct media_session, commands_callback);
}
static struct media_session *impl_from_IMFGetService(IMFGetService *iface)
{
return CONTAINING_RECORD(iface, struct media_session, IMFGetService_iface);
}
static struct media_session *impl_session_from_IMFRateSupport(IMFRateSupport *iface)
{
return CONTAINING_RECORD(iface, struct media_session, IMFRateSupport_iface);
}
static struct media_session *impl_session_from_IMFRateControl(IMFRateControl *iface)
{
return CONTAINING_RECORD(iface, struct media_session, IMFRateControl_iface);
}
static struct session_op *impl_op_from_IUnknown(IUnknown *iface)
{
return CONTAINING_RECORD(iface, struct session_op, IUnknown_iface);
}
static struct presentation_clock *impl_from_IMFPresentationClock(IMFPresentationClock *iface)
{
return CONTAINING_RECORD(iface, struct presentation_clock, IMFPresentationClock_iface);
}
static struct presentation_clock *impl_from_IMFRateControl(IMFRateControl *iface)
{
return CONTAINING_RECORD(iface, struct presentation_clock, IMFRateControl_iface);
}
static struct presentation_clock *impl_from_IMFTimer(IMFTimer *iface)
{
return CONTAINING_RECORD(iface, struct presentation_clock, IMFTimer_iface);
}
static struct presentation_clock *impl_from_IMFShutdown(IMFShutdown *iface)
{
return CONTAINING_RECORD(iface, struct presentation_clock, IMFShutdown_iface);
}
static struct presentation_clock *impl_from_IMFAsyncCallback(IMFAsyncCallback *iface)
{
return CONTAINING_RECORD(iface, struct presentation_clock, IMFAsyncCallback_iface);
}
static struct sink_notification *impl_from_IUnknown(IUnknown *iface)
{
return CONTAINING_RECORD(iface, struct sink_notification, IUnknown_iface);
}
static HRESULT WINAPI session_op_QueryInterface(IUnknown *iface, REFIID riid, void **obj)
{
if (IsEqualIID(riid, &IID_IUnknown))
{
*obj = iface;
IUnknown_AddRef(iface);
return S_OK;
}
*obj = NULL;
return E_NOINTERFACE;
}
static ULONG WINAPI session_op_AddRef(IUnknown *iface)
{
struct session_op *op = impl_op_from_IUnknown(iface);
ULONG refcount = InterlockedIncrement(&op->refcount);
TRACE("%p, refcount %u.\n", iface, refcount);
return refcount;
}
static ULONG WINAPI session_op_Release(IUnknown *iface)
{
struct session_op *op = impl_op_from_IUnknown(iface);
ULONG refcount = InterlockedDecrement(&op->refcount);
TRACE("%p, refcount %u.\n", iface, refcount);
if (!refcount)
{
heap_free(op);
}
return refcount;
}
static IUnknownVtbl session_op_vtbl =
{
session_op_QueryInterface,
session_op_AddRef,
session_op_Release,
};
static HRESULT create_session_op(enum session_command command, IUnknown **ret)
{
struct session_op *op;
if (!(op = heap_alloc(sizeof(*op))))
return E_OUTOFMEMORY;
op->IUnknown_iface.lpVtbl = &session_op_vtbl;
op->refcount = 1;
op->command = command;
*ret = &op->IUnknown_iface;
return S_OK;
}
static void session_clear_topologies(struct media_session *session)
{
struct queued_topology *ptr, *next;
LIST_FOR_EACH_ENTRY_SAFE(ptr, next, &session->topologies, struct queued_topology, entry)
{
list_remove(&ptr->entry);
IMFTopology_Release(ptr->topology);
heap_free(ptr);
}
}
static HRESULT WINAPI mfsession_QueryInterface(IMFMediaSession *iface, REFIID riid, void **out)
{
struct media_session *session = impl_from_IMFMediaSession(iface);
TRACE("(%p)->(%s %p)\n", iface, debugstr_guid(riid), out);
if (IsEqualIID(riid, &IID_IMFMediaSession) ||
IsEqualIID(riid, &IID_IMFMediaEventGenerator) ||
IsEqualIID(riid, &IID_IUnknown))
{
*out = &session->IMFMediaSession_iface;
IMFMediaSession_AddRef(iface);
return S_OK;
}
else if (IsEqualIID(riid, &IID_IMFGetService))
{
*out = &session->IMFGetService_iface;
IMFMediaSession_AddRef(iface);
return S_OK;
}
WARN("Unsupported %s.\n", debugstr_guid(riid));
*out = NULL;
return E_NOINTERFACE;
}
static ULONG WINAPI mfsession_AddRef(IMFMediaSession *iface)
{
struct media_session *session = impl_from_IMFMediaSession(iface);
ULONG refcount = InterlockedIncrement(&session->refcount);
TRACE("(%p) refcount=%u\n", iface, refcount);
return refcount;
}
static ULONG WINAPI mfsession_Release(IMFMediaSession *iface)
{
struct media_session *session = impl_from_IMFMediaSession(iface);
ULONG refcount = InterlockedDecrement(&session->refcount);
TRACE("(%p) refcount=%u\n", iface, refcount);
if (!refcount)
{
session_clear_topologies(session);
if (session->event_queue)
IMFMediaEventQueue_Release(session->event_queue);
if (session->clock)
IMFPresentationClock_Release(session->clock);
if (session->clock_rate_control)
IMFRateControl_Release(session->clock_rate_control);
DeleteCriticalSection(&session->cs);
heap_free(session);
}
return refcount;
}
static HRESULT WINAPI mfsession_GetEvent(IMFMediaSession *iface, DWORD flags, IMFMediaEvent **event)
{
struct media_session *session = impl_from_IMFMediaSession(iface);
TRACE("(%p)->(%#x, %p)\n", iface, flags, event);
return IMFMediaEventQueue_GetEvent(session->event_queue, flags, event);
}
static HRESULT WINAPI mfsession_BeginGetEvent(IMFMediaSession *iface, IMFAsyncCallback *callback, IUnknown *state)
{
struct media_session *session = impl_from_IMFMediaSession(iface);
TRACE("(%p)->(%p, %p)\n", iface, callback, state);
return IMFMediaEventQueue_BeginGetEvent(session->event_queue, callback, state);
}
static HRESULT WINAPI mfsession_EndGetEvent(IMFMediaSession *iface, IMFAsyncResult *result, IMFMediaEvent **event)
{
struct media_session *session = impl_from_IMFMediaSession(iface);
TRACE("(%p)->(%p, %p)\n", iface, result, event);
return IMFMediaEventQueue_EndGetEvent(session->event_queue, result, event);
}
static HRESULT WINAPI mfsession_QueueEvent(IMFMediaSession *iface, MediaEventType event_type, REFGUID ext_type,
HRESULT hr, const PROPVARIANT *value)
{
struct media_session *session = impl_from_IMFMediaSession(iface);
TRACE("(%p)->(%d, %s, %#x, %p)\n", iface, event_type, debugstr_guid(ext_type), hr, value);
return IMFMediaEventQueue_QueueEventParamVar(session->event_queue, event_type, ext_type, hr, value);
}
static HRESULT WINAPI mfsession_SetTopology(IMFMediaSession *iface, DWORD flags, IMFTopology *topology)
{
struct media_session *session = impl_from_IMFMediaSession(iface);
struct queued_topology *queued_topology;
FIXME("%p, %#x, %p.\n", iface, flags, topology);
if (!(queued_topology = heap_alloc(sizeof(*queued_topology))))
return E_OUTOFMEMORY;
queued_topology->topology = topology;
IMFTopology_AddRef(queued_topology->topology);
EnterCriticalSection(&session->cs);
list_add_tail(&session->topologies, &queued_topology->entry);
LeaveCriticalSection(&session->cs);
return S_OK;
}
static HRESULT session_submit_command(struct media_session *session, IUnknown *op)
{
HRESULT hr;
EnterCriticalSection(&session->cs);
if (session->state == SESSION_STATE_SHUT_DOWN)
hr = MF_E_SHUTDOWN;
else
hr = MFPutWorkItem(MFASYNC_CALLBACK_QUEUE_STANDARD, &session->commands_callback, op);
LeaveCriticalSection(&session->cs);
return hr;
}
static HRESULT WINAPI mfsession_ClearTopologies(IMFMediaSession *iface)
{
struct media_session *session = impl_from_IMFMediaSession(iface);
IUnknown *op;
HRESULT hr;
TRACE("%p.\n", iface);
if (FAILED(hr = create_session_op(SESSION_CMD_CLEAR_TOPOLOGIES, &op)))
return hr;
hr = session_submit_command(session, op);
IUnknown_Release(op);
return hr;
}
static HRESULT WINAPI mfsession_Start(IMFMediaSession *iface, const GUID *format, const PROPVARIANT *start)
{
FIXME("(%p)->(%s, %p)\n", iface, debugstr_guid(format), start);
return E_NOTIMPL;
}
static HRESULT WINAPI mfsession_Pause(IMFMediaSession *iface)
{
FIXME("(%p)\n", iface);
return E_NOTIMPL;
}
static HRESULT WINAPI mfsession_Stop(IMFMediaSession *iface)
{
FIXME("(%p)\n", iface);
return E_NOTIMPL;
}
static HRESULT WINAPI mfsession_Close(IMFMediaSession *iface)
{
struct media_session *session = impl_from_IMFMediaSession(iface);
IUnknown *op;
HRESULT hr;
TRACE("(%p)\n", iface);
if (FAILED(hr = create_session_op(SESSION_CMD_CLOSE, &op)))
return hr;
hr = session_submit_command(session, op);
IUnknown_Release(op);
return hr;
}
static HRESULT WINAPI mfsession_Shutdown(IMFMediaSession *iface)
{
struct media_session *session = impl_from_IMFMediaSession(iface);
HRESULT hr = S_OK;
FIXME("(%p)\n", iface);
EnterCriticalSection(&session->cs);
if (session->state == SESSION_STATE_SHUT_DOWN)
hr = MF_E_SHUTDOWN;
else
{
session->state = SESSION_STATE_SHUT_DOWN;
IMFMediaEventQueue_Shutdown(session->event_queue);
}
LeaveCriticalSection(&session->cs);
return hr;
}
static HRESULT WINAPI mfsession_GetClock(IMFMediaSession *iface, IMFClock **clock)
{
struct media_session *session = impl_from_IMFMediaSession(iface);
TRACE("%p, %p.\n", iface, clock);
*clock = (IMFClock *)session->clock;
IMFClock_AddRef(*clock);
return S_OK;
}
static HRESULT WINAPI mfsession_GetSessionCapabilities(IMFMediaSession *iface, DWORD *caps)
{
FIXME("(%p)->(%p)\n", iface, caps);
return E_NOTIMPL;
}
static HRESULT WINAPI mfsession_GetFullTopology(IMFMediaSession *iface, DWORD flags, TOPOID id, IMFTopology **topology)
{
FIXME("(%p)->(%#x, %s, %p)\n", iface, flags, wine_dbgstr_longlong(id), topology);
return E_NOTIMPL;
}
static const IMFMediaSessionVtbl mfmediasessionvtbl =
{
mfsession_QueryInterface,
mfsession_AddRef,
mfsession_Release,
mfsession_GetEvent,
mfsession_BeginGetEvent,
mfsession_EndGetEvent,
mfsession_QueueEvent,
mfsession_SetTopology,
mfsession_ClearTopologies,
mfsession_Start,
mfsession_Pause,
mfsession_Stop,
mfsession_Close,
mfsession_Shutdown,
mfsession_GetClock,
mfsession_GetSessionCapabilities,
mfsession_GetFullTopology,
};
static HRESULT WINAPI session_get_service_QueryInterface(IMFGetService *iface, REFIID riid, void **obj)
{
struct media_session *session = impl_from_IMFGetService(iface);
return IMFMediaSession_QueryInterface(&session->IMFMediaSession_iface, riid, obj);
}
static ULONG WINAPI session_get_service_AddRef(IMFGetService *iface)
{
struct media_session *session = impl_from_IMFGetService(iface);
return IMFMediaSession_AddRef(&session->IMFMediaSession_iface);
}
static ULONG WINAPI session_get_service_Release(IMFGetService *iface)
{
struct media_session *session = impl_from_IMFGetService(iface);
return IMFMediaSession_Release(&session->IMFMediaSession_iface);
}
static HRESULT WINAPI session_get_service_GetService(IMFGetService *iface, REFGUID service, REFIID riid, void **obj)
{
struct media_session *session = impl_from_IMFGetService(iface);
TRACE("%p, %s, %s, %p.\n", iface, debugstr_guid(service), debugstr_guid(riid), obj);
*obj = NULL;
if (IsEqualGUID(service, &MF_RATE_CONTROL_SERVICE))
{
if (IsEqualIID(riid, &IID_IMFRateSupport))
{
*obj = &session->IMFRateSupport_iface;
}
else if (IsEqualIID(riid, &IID_IMFRateControl))
{
*obj = &session->IMFRateControl_iface;
}
if (*obj)
IUnknown_AddRef((IUnknown *)*obj);
return *obj ? S_OK : E_NOINTERFACE;
}
else
FIXME("Unsupported service %s.\n", debugstr_guid(service));
return E_NOTIMPL;
}
static const IMFGetServiceVtbl session_get_service_vtbl =
{
session_get_service_QueryInterface,
session_get_service_AddRef,
session_get_service_Release,
session_get_service_GetService,
};
static HRESULT WINAPI session_commands_callback_QueryInterface(IMFAsyncCallback *iface, REFIID riid, void **obj)
{
if (IsEqualIID(riid, &IID_IMFAsyncCallback) ||
IsEqualIID(riid, &IID_IUnknown))
{
*obj = iface;
IMFAsyncCallback_AddRef(iface);
return S_OK;
}
WARN("Unsupported %s.\n", debugstr_guid(riid));
*obj = NULL;
return E_NOINTERFACE;
}
static ULONG WINAPI session_commands_callback_AddRef(IMFAsyncCallback *iface)
{
struct media_session *session = impl_from_commands_callback_IMFAsyncCallback(iface);
return IMFMediaSession_AddRef(&session->IMFMediaSession_iface);
}
static ULONG WINAPI session_commands_callback_Release(IMFAsyncCallback *iface)
{
struct media_session *session = impl_from_commands_callback_IMFAsyncCallback(iface);
return IMFMediaSession_Release(&session->IMFMediaSession_iface);
}
static HRESULT WINAPI session_commands_callback_GetParameters(IMFAsyncCallback *iface, DWORD *flags, DWORD *queue)
{
return E_NOTIMPL;
}
static HRESULT WINAPI session_commands_callback_Invoke(IMFAsyncCallback *iface, IMFAsyncResult *result)
{
struct session_op *op = impl_op_from_IUnknown(IMFAsyncResult_GetStateNoAddRef(result));
struct media_session *session = impl_from_commands_callback_IMFAsyncCallback(iface);
switch (op->command)
{
case SESSION_CMD_CLEAR_TOPOLOGIES:
EnterCriticalSection(&session->cs);
session_clear_topologies(session);
LeaveCriticalSection(&session->cs);
IMFMediaEventQueue_QueueEventParamVar(session->event_queue, MESessionTopologiesCleared, &GUID_NULL,
S_OK, NULL);
break;
case SESSION_CMD_CLOSE:
EnterCriticalSection(&session->cs);
if (session->state != SESSION_STATE_CLOSED)
{
/* FIXME: actually do something to presentation objects */
session->state = SESSION_STATE_CLOSED;
IMFMediaEventQueue_QueueEventParamVar(session->event_queue, MESessionClosed, &GUID_NULL, S_OK, NULL);
}
LeaveCriticalSection(&session->cs);
break;
default:
;
}
return S_OK;
}
static const IMFAsyncCallbackVtbl session_commands_callback_vtbl =
{
session_commands_callback_QueryInterface,
session_commands_callback_AddRef,
session_commands_callback_Release,
session_commands_callback_GetParameters,
session_commands_callback_Invoke,
};
static HRESULT WINAPI session_rate_support_QueryInterface(IMFRateSupport *iface, REFIID riid, void **obj)
{
struct media_session *session = impl_session_from_IMFRateSupport(iface);
return IMFMediaSession_QueryInterface(&session->IMFMediaSession_iface, riid, obj);
}
static ULONG WINAPI session_rate_support_AddRef(IMFRateSupport *iface)
{
struct media_session *session = impl_session_from_IMFRateSupport(iface);
return IMFMediaSession_AddRef(&session->IMFMediaSession_iface);
}
static ULONG WINAPI session_rate_support_Release(IMFRateSupport *iface)
{
struct media_session *session = impl_session_from_IMFRateSupport(iface);
return IMFMediaSession_Release(&session->IMFMediaSession_iface);
}
static HRESULT WINAPI session_rate_support_GetSlowestRate(IMFRateSupport *iface, MFRATE_DIRECTION direction,
BOOL thin, float *rate)
{
FIXME("%p, %d, %d, %p.\n", iface, direction, thin, rate);
return E_NOTIMPL;
}
static HRESULT WINAPI session_rate_support_GetFastestRate(IMFRateSupport *iface, MFRATE_DIRECTION direction,
BOOL thin, float *rate)
{
FIXME("%p, %d, %d, %p.\n", iface, direction, thin, rate);
return E_NOTIMPL;
}
static HRESULT WINAPI session_rate_support_IsRateSupported(IMFRateSupport *iface, BOOL thin, float rate,
float *nearest_supported_rate)
{
FIXME("%p, %d, %f, %p.\n", iface, thin, rate, nearest_supported_rate);
return E_NOTIMPL;
}
static const IMFRateSupportVtbl session_rate_support_vtbl =
{
session_rate_support_QueryInterface,
session_rate_support_AddRef,
session_rate_support_Release,
session_rate_support_GetSlowestRate,
session_rate_support_GetFastestRate,
session_rate_support_IsRateSupported,
};
static HRESULT WINAPI session_rate_control_QueryInterface(IMFRateControl *iface, REFIID riid, void **obj)
{
struct media_session *session = impl_session_from_IMFRateControl(iface);
return IMFMediaSession_QueryInterface(&session->IMFMediaSession_iface, riid, obj);
}
static ULONG WINAPI session_rate_control_AddRef(IMFRateControl *iface)
{
struct media_session *session = impl_session_from_IMFRateControl(iface);
return IMFMediaSession_AddRef(&session->IMFMediaSession_iface);
}
static ULONG WINAPI session_rate_control_Release(IMFRateControl *iface)
{
struct media_session *session = impl_session_from_IMFRateControl(iface);
return IMFMediaSession_Release(&session->IMFMediaSession_iface);
}
static HRESULT WINAPI session_rate_control_SetRate(IMFRateControl *iface, BOOL thin, float rate)
{
FIXME("%p, %d, %f.\n", iface, thin, rate);
return E_NOTIMPL;
}
static HRESULT WINAPI session_rate_control_GetRate(IMFRateControl *iface, BOOL *thin, float *rate)
{
struct media_session *session = impl_session_from_IMFRateControl(iface);
TRACE("%p, %p, %p.\n", iface, thin, rate);
return IMFRateControl_GetRate(session->clock_rate_control, thin, rate);
}
static const IMFRateControlVtbl session_rate_control_vtbl =
{
session_rate_control_QueryInterface,
session_rate_control_AddRef,
session_rate_control_Release,
session_rate_control_SetRate,
session_rate_control_GetRate,
};
/***********************************************************************
* MFCreateMediaSession (mf.@)
*/
HRESULT WINAPI MFCreateMediaSession(IMFAttributes *config, IMFMediaSession **session)
{
struct media_session *object;
HRESULT hr;
TRACE("(%p, %p)\n", config, session);
if (config)
FIXME("session configuration ignored\n");
object = heap_alloc_zero(sizeof(*object));
if (!object)
return E_OUTOFMEMORY;
object->IMFMediaSession_iface.lpVtbl = &mfmediasessionvtbl;
object->IMFGetService_iface.lpVtbl = &session_get_service_vtbl;
object->IMFRateSupport_iface.lpVtbl = &session_rate_support_vtbl;
object->IMFRateControl_iface.lpVtbl = &session_rate_control_vtbl;
object->commands_callback.lpVtbl = &session_commands_callback_vtbl;
object->refcount = 1;
list_init(&object->topologies);
InitializeCriticalSection(&object->cs);
if (FAILED(hr = MFCreateEventQueue(&object->event_queue)))
goto failed;
if (FAILED(hr = MFCreatePresentationClock(&object->clock)))
goto failed;
if (FAILED(hr = IMFPresentationClock_QueryInterface(object->clock, &IID_IMFRateControl,
(void **)&object->clock_rate_control)))
{
goto failed;
}
*session = &object->IMFMediaSession_iface;
return S_OK;
failed:
IMFMediaSession_Release(&object->IMFMediaSession_iface);
return hr;
}
static HRESULT WINAPI present_clock_QueryInterface(IMFPresentationClock *iface, REFIID riid, void **out)
{
struct presentation_clock *clock = impl_from_IMFPresentationClock(iface);
TRACE("%p, %s, %p.\n", iface, debugstr_guid(riid), out);
if (IsEqualIID(riid, &IID_IMFPresentationClock) ||
IsEqualIID(riid, &IID_IMFClock) ||
IsEqualIID(riid, &IID_IUnknown))
{
*out = &clock->IMFPresentationClock_iface;
}
else if (IsEqualIID(riid, &IID_IMFRateControl))
{
*out = &clock->IMFRateControl_iface;
}
else if (IsEqualIID(riid, &IID_IMFTimer))
{
*out = &clock->IMFTimer_iface;
}
else if (IsEqualIID(riid, &IID_IMFShutdown))
{
*out = &clock->IMFShutdown_iface;
}
else
{
WARN("Unsupported %s.\n", debugstr_guid(riid));
*out = NULL;
return E_NOINTERFACE;
}
IUnknown_AddRef((IUnknown *)*out);
return S_OK;
}
static ULONG WINAPI present_clock_AddRef(IMFPresentationClock *iface)
{
struct presentation_clock *clock = impl_from_IMFPresentationClock(iface);
ULONG refcount = InterlockedIncrement(&clock->refcount);
TRACE("%p, refcount %u.\n", iface, refcount);
return refcount;
}
static ULONG WINAPI present_clock_Release(IMFPresentationClock *iface)
{
struct presentation_clock *clock = impl_from_IMFPresentationClock(iface);
ULONG refcount = InterlockedDecrement(&clock->refcount);
struct clock_sink *sink, *sink2;
TRACE("%p, refcount %u.\n", iface, refcount);
if (!refcount)
{
if (clock->time_source)
IMFPresentationTimeSource_Release(clock->time_source);
if (clock->time_source_sink)
IMFClockStateSink_Release(clock->time_source_sink);
LIST_FOR_EACH_ENTRY_SAFE(sink, sink2, &clock->sinks, struct clock_sink, entry)
{
list_remove(&sink->entry);
IMFClockStateSink_Release(sink->state_sink);
heap_free(sink);
}
DeleteCriticalSection(&clock->cs);
heap_free(clock);
}
return refcount;
}
static HRESULT WINAPI present_clock_GetClockCharacteristics(IMFPresentationClock *iface, DWORD *flags)
{
struct presentation_clock *clock = impl_from_IMFPresentationClock(iface);
HRESULT hr = MF_E_CLOCK_NO_TIME_SOURCE;
TRACE("%p, %p.\n", iface, flags);
EnterCriticalSection(&clock->cs);
if (clock->time_source)
hr = IMFPresentationTimeSource_GetClockCharacteristics(clock->time_source, flags);
LeaveCriticalSection(&clock->cs);
return hr;
}
static HRESULT WINAPI present_clock_GetCorrelatedTime(IMFPresentationClock *iface, DWORD reserved,
LONGLONG *clock_time, MFTIME *system_time)
{
struct presentation_clock *clock = impl_from_IMFPresentationClock(iface);
HRESULT hr = MF_E_CLOCK_NO_TIME_SOURCE;
TRACE("%p, %#x, %p, %p.\n", iface, reserved, clock_time, system_time);
EnterCriticalSection(&clock->cs);
if (clock->time_source)
hr = IMFPresentationTimeSource_GetCorrelatedTime(clock->time_source, reserved, clock_time, system_time);
LeaveCriticalSection(&clock->cs);
return hr;
}
static HRESULT WINAPI present_clock_GetContinuityKey(IMFPresentationClock *iface, DWORD *key)
{
TRACE("%p, %p.\n", iface, key);
*key = 0;
return S_OK;
}
static HRESULT WINAPI present_clock_GetState(IMFPresentationClock *iface, DWORD reserved, MFCLOCK_STATE *state)
{
struct presentation_clock *clock = impl_from_IMFPresentationClock(iface);
TRACE("%p, %#x, %p.\n", iface, reserved, state);
EnterCriticalSection(&clock->cs);
*state = clock->state;
LeaveCriticalSection(&clock->cs);
return S_OK;
}
static HRESULT WINAPI present_clock_GetProperties(IMFPresentationClock *iface, MFCLOCK_PROPERTIES *props)
{
struct presentation_clock *clock = impl_from_IMFPresentationClock(iface);
HRESULT hr = MF_E_CLOCK_NO_TIME_SOURCE;
TRACE("%p, %p.\n", iface, props);
EnterCriticalSection(&clock->cs);
if (clock->time_source)
hr = IMFPresentationTimeSource_GetProperties(clock->time_source, props);
LeaveCriticalSection(&clock->cs);
return hr;
}
static HRESULT WINAPI present_clock_SetTimeSource(IMFPresentationClock *iface,
IMFPresentationTimeSource *time_source)
{
struct presentation_clock *clock = impl_from_IMFPresentationClock(iface);
HRESULT hr;
TRACE("%p, %p.\n", iface, time_source);
EnterCriticalSection(&clock->cs);
if (clock->time_source)
IMFPresentationTimeSource_Release(clock->time_source);
if (clock->time_source_sink)
IMFClockStateSink_Release(clock->time_source_sink);
clock->time_source = NULL;
clock->time_source_sink = NULL;
hr = IMFPresentationTimeSource_QueryInterface(time_source, &IID_IMFClockStateSink, (void **)&clock->time_source_sink);
if (SUCCEEDED(hr))
{
clock->time_source = time_source;
IMFPresentationTimeSource_AddRef(clock->time_source);
}
LeaveCriticalSection(&clock->cs);
return hr;
}
static HRESULT WINAPI present_clock_GetTimeSource(IMFPresentationClock *iface,
IMFPresentationTimeSource **time_source)
{
struct presentation_clock *clock = impl_from_IMFPresentationClock(iface);
HRESULT hr = S_OK;
TRACE("%p, %p.\n", iface, time_source);
if (!time_source)
return E_INVALIDARG;
EnterCriticalSection(&clock->cs);
if (clock->time_source)
{
*time_source = clock->time_source;
IMFPresentationTimeSource_AddRef(*time_source);
}
else
hr = MF_E_CLOCK_NO_TIME_SOURCE;
LeaveCriticalSection(&clock->cs);
return hr;
}
static HRESULT WINAPI present_clock_GetTime(IMFPresentationClock *iface, MFTIME *time)
{
struct presentation_clock *clock = impl_from_IMFPresentationClock(iface);
HRESULT hr = MF_E_CLOCK_NO_TIME_SOURCE;
MFTIME systime;
TRACE("%p, %p.\n", iface, time);
if (!time)
return E_POINTER;
EnterCriticalSection(&clock->cs);
if (clock->time_source)
hr = IMFPresentationTimeSource_GetCorrelatedTime(clock->time_source, 0, time, &systime);
LeaveCriticalSection(&clock->cs);
return hr;
}
static HRESULT WINAPI present_clock_AddClockStateSink(IMFPresentationClock *iface, IMFClockStateSink *state_sink)
{
struct presentation_clock *clock = impl_from_IMFPresentationClock(iface);
struct clock_sink *sink, *cur;
HRESULT hr = S_OK;
TRACE("%p, %p.\n", iface, state_sink);
if (!state_sink)
return E_INVALIDARG;
sink = heap_alloc(sizeof(*sink));
if (!sink)
return E_OUTOFMEMORY;
sink->state_sink = state_sink;
IMFClockStateSink_AddRef(sink->state_sink);
EnterCriticalSection(&clock->cs);
LIST_FOR_EACH_ENTRY(cur, &clock->sinks, struct clock_sink, entry)
{
if (cur->state_sink == state_sink)
{
hr = E_INVALIDARG;
break;
}
}
if (SUCCEEDED(hr))
list_add_tail(&clock->sinks, &sink->entry);
LeaveCriticalSection(&clock->cs);
if (FAILED(hr))
{
IMFClockStateSink_Release(sink->state_sink);
heap_free(sink);
}
return hr;
}
static HRESULT WINAPI present_clock_RemoveClockStateSink(IMFPresentationClock *iface,
IMFClockStateSink *state_sink)
{
struct presentation_clock *clock = impl_from_IMFPresentationClock(iface);
struct clock_sink *sink;
TRACE("%p, %p.\n", iface, state_sink);
if (!state_sink)
return E_INVALIDARG;
EnterCriticalSection(&clock->cs);
LIST_FOR_EACH_ENTRY(sink, &clock->sinks, struct clock_sink, entry)
{
if (sink->state_sink == state_sink)
{
IMFClockStateSink_Release(sink->state_sink);
list_remove(&sink->entry);
heap_free(sink);
break;
}
}
LeaveCriticalSection(&clock->cs);
return S_OK;
}
static HRESULT WINAPI sink_notification_QueryInterface(IUnknown *iface, REFIID riid, void **out)
{
if (IsEqualIID(riid, &IID_IUnknown))
{
*out = iface;
IUnknown_AddRef(iface);
return S_OK;
}
WARN("Unsupported %s.\n", debugstr_guid(riid));
*out = NULL;
return E_NOINTERFACE;
}
static ULONG WINAPI sink_notification_AddRef(IUnknown *iface)
{
struct sink_notification *notification = impl_from_IUnknown(iface);
ULONG refcount = InterlockedIncrement(&notification->refcount);
TRACE("%p, refcount %u.\n", iface, refcount);
return refcount;
}
static ULONG WINAPI sink_notification_Release(IUnknown *iface)
{
struct sink_notification *notification = impl_from_IUnknown(iface);
ULONG refcount = InterlockedDecrement(&notification->refcount);
TRACE("%p, refcount %u.\n", iface, refcount);
if (!refcount)
{
IMFClockStateSink_Release(notification->sink);
heap_free(notification);
}
return refcount;
}
static const IUnknownVtbl sinknotificationvtbl =
{
sink_notification_QueryInterface,
sink_notification_AddRef,
sink_notification_Release,
};
static HRESULT create_sink_notification(MFTIME system_time, struct clock_state_change_param param,
enum clock_notification notification, IMFClockStateSink *sink, IUnknown **out)
{
struct sink_notification *object;
object = heap_alloc(sizeof(*object));
if (!object)
return E_OUTOFMEMORY;
object->IUnknown_iface.lpVtbl = &sinknotificationvtbl;
object->refcount = 1;
object->system_time = system_time;
object->param = param;
object->notification = notification;
object->sink = sink;
IMFClockStateSink_AddRef(object->sink);
*out = &object->IUnknown_iface;
return S_OK;
}
static HRESULT clock_call_state_change(MFTIME system_time, struct clock_state_change_param param,
enum clock_notification notification, IMFClockStateSink *sink)
{
HRESULT hr = S_OK;
switch (notification)
{
case CLOCK_NOTIFY_START:
hr = IMFClockStateSink_OnClockStart(sink, system_time, param.u.offset);
break;
case CLOCK_NOTIFY_STOP:
hr = IMFClockStateSink_OnClockStop(sink, system_time);
break;
case CLOCK_NOTIFY_PAUSE:
hr = IMFClockStateSink_OnClockPause(sink, system_time);
break;
case CLOCK_NOTIFY_RESTART:
hr = IMFClockStateSink_OnClockRestart(sink, system_time);
break;
case CLOCK_NOTIFY_SET_RATE:
/* System time source does not allow 0.0 rate, presentation clock allows it without raising errors. */
IMFClockStateSink_OnClockSetRate(sink, system_time, param.u.rate);
break;
default:
;
}
return hr;
}
static HRESULT clock_change_state(struct presentation_clock *clock, enum clock_command command,
struct clock_state_change_param param)
{
static const BYTE state_change_is_allowed[MFCLOCK_STATE_PAUSED+1][CLOCK_CMD_MAX] =
{ /* S S* P, R */
/* INVALID */ { 1, 1, 1, 1 },
/* RUNNING */ { 1, 1, 1, 1 },
/* STOPPED */ { 1, 1, 0, 1 },
/* PAUSED */ { 1, 1, 0, 1 },
};
static const MFCLOCK_STATE states[CLOCK_CMD_MAX] =
{
/* CLOCK_CMD_START */ MFCLOCK_STATE_RUNNING,
/* CLOCK_CMD_STOP */ MFCLOCK_STATE_STOPPED,
/* CLOCK_CMD_PAUSE */ MFCLOCK_STATE_PAUSED,
/* CLOCK_CMD_SET_RATE */ 0, /* Unused */
};
enum clock_notification notification;
struct clock_sink *sink;
IUnknown *notify_object;
IMFAsyncResult *result;
MFTIME system_time;
HRESULT hr;
if (command != CLOCK_CMD_SET_RATE && clock->state == states[command] && clock->state != MFCLOCK_STATE_RUNNING)
return MF_E_CLOCK_STATE_ALREADY_SET;
if (!state_change_is_allowed[clock->state][command])
return MF_E_INVALIDREQUEST;
system_time = MFGetSystemTime();
switch (command)
{
case CLOCK_CMD_START:
if (clock->state == MFCLOCK_STATE_PAUSED && param.u.offset == PRESENTATION_CURRENT_POSITION)
notification = CLOCK_NOTIFY_RESTART;
else
notification = CLOCK_NOTIFY_START;
break;
case CLOCK_CMD_STOP:
notification = CLOCK_NOTIFY_STOP;
break;
case CLOCK_CMD_PAUSE:
notification = CLOCK_NOTIFY_PAUSE;
break;
case CLOCK_CMD_SET_RATE:
notification = CLOCK_NOTIFY_SET_RATE;
break;
default:
;
}
if (FAILED(hr = clock_call_state_change(system_time, param, notification, clock->time_source_sink)))
return hr;
clock->state = states[command];
LIST_FOR_EACH_ENTRY(sink, &clock->sinks, struct clock_sink, entry)
{
if (SUCCEEDED(create_sink_notification(system_time, param, notification, sink->state_sink, &notify_object)))
{
hr = MFCreateAsyncResult(notify_object, &clock->IMFAsyncCallback_iface, NULL, &result);
IUnknown_Release(notify_object);
if (SUCCEEDED(hr))
{
MFPutWorkItemEx(MFASYNC_CALLBACK_QUEUE_STANDARD, result);
IMFAsyncResult_Release(result);
}
}
}
return S_OK;
}
static HRESULT WINAPI present_clock_Start(IMFPresentationClock *iface, LONGLONG start_offset)
{
struct presentation_clock *clock = impl_from_IMFPresentationClock(iface);
struct clock_state_change_param param = {{0}};
HRESULT hr;
TRACE("%p, %s.\n", iface, wine_dbgstr_longlong(start_offset));
EnterCriticalSection(&clock->cs);
param.u.offset = start_offset;
hr = clock_change_state(clock, CLOCK_CMD_START, param);
LeaveCriticalSection(&clock->cs);
return hr;
}
static HRESULT WINAPI present_clock_Stop(IMFPresentationClock *iface)
{
struct presentation_clock *clock = impl_from_IMFPresentationClock(iface);
struct clock_state_change_param param = {{0}};
HRESULT hr;
TRACE("%p.\n", iface);
EnterCriticalSection(&clock->cs);
hr = clock_change_state(clock, CLOCK_CMD_STOP, param);
LeaveCriticalSection(&clock->cs);
return hr;
}
static HRESULT WINAPI present_clock_Pause(IMFPresentationClock *iface)
{
struct presentation_clock *clock = impl_from_IMFPresentationClock(iface);
struct clock_state_change_param param = {{0}};
HRESULT hr;
TRACE("%p.\n", iface);
EnterCriticalSection(&clock->cs);
hr = clock_change_state(clock, CLOCK_CMD_PAUSE, param);
LeaveCriticalSection(&clock->cs);
return hr;
}
static const IMFPresentationClockVtbl presentationclockvtbl =
{
present_clock_QueryInterface,
present_clock_AddRef,
present_clock_Release,
present_clock_GetClockCharacteristics,
present_clock_GetCorrelatedTime,
present_clock_GetContinuityKey,
present_clock_GetState,
present_clock_GetProperties,
present_clock_SetTimeSource,
present_clock_GetTimeSource,
present_clock_GetTime,
present_clock_AddClockStateSink,
present_clock_RemoveClockStateSink,
present_clock_Start,
present_clock_Stop,
present_clock_Pause,
};
static HRESULT WINAPI present_clock_rate_control_QueryInterface(IMFRateControl *iface, REFIID riid, void **out)
{
struct presentation_clock *clock = impl_from_IMFRateControl(iface);
return IMFPresentationClock_QueryInterface(&clock->IMFPresentationClock_iface, riid, out);
}
static ULONG WINAPI present_clock_rate_control_AddRef(IMFRateControl *iface)
{
struct presentation_clock *clock = impl_from_IMFRateControl(iface);
return IMFPresentationClock_AddRef(&clock->IMFPresentationClock_iface);
}
static ULONG WINAPI present_clock_rate_control_Release(IMFRateControl *iface)
{
struct presentation_clock *clock = impl_from_IMFRateControl(iface);
return IMFPresentationClock_Release(&clock->IMFPresentationClock_iface);
}
static HRESULT WINAPI present_clock_rate_SetRate(IMFRateControl *iface, BOOL thin, float rate)
{
struct presentation_clock *clock = impl_from_IMFRateControl(iface);
struct clock_state_change_param param;
HRESULT hr;
TRACE("%p, %d, %f.\n", iface, thin, rate);
if (thin)
return MF_E_THINNING_UNSUPPORTED;
EnterCriticalSection(&clock->cs);
param.u.rate = rate;
if (SUCCEEDED(hr = clock_change_state(clock, CLOCK_CMD_SET_RATE, param)))
clock->rate = rate;
LeaveCriticalSection(&clock->cs);
return hr;
}
static HRESULT WINAPI present_clock_rate_GetRate(IMFRateControl *iface, BOOL *thin, float *rate)
{
struct presentation_clock *clock = impl_from_IMFRateControl(iface);
TRACE("%p, %p, %p.\n", iface, thin, rate);
if (!rate)
return E_INVALIDARG;
if (thin)
*thin = FALSE;
EnterCriticalSection(&clock->cs);
*rate = clock->rate;
LeaveCriticalSection(&clock->cs);
return S_OK;
}
static const IMFRateControlVtbl presentclockratecontrolvtbl =
{
present_clock_rate_control_QueryInterface,
present_clock_rate_control_AddRef,
present_clock_rate_control_Release,
present_clock_rate_SetRate,
present_clock_rate_GetRate,
};
static HRESULT WINAPI present_clock_timer_QueryInterface(IMFTimer *iface, REFIID riid, void **out)
{
struct presentation_clock *clock = impl_from_IMFTimer(iface);
return IMFPresentationClock_QueryInterface(&clock->IMFPresentationClock_iface, riid, out);
}
static ULONG WINAPI present_clock_timer_AddRef(IMFTimer *iface)
{
struct presentation_clock *clock = impl_from_IMFTimer(iface);
return IMFPresentationClock_AddRef(&clock->IMFPresentationClock_iface);
}
static ULONG WINAPI present_clock_timer_Release(IMFTimer *iface)
{
struct presentation_clock *clock = impl_from_IMFTimer(iface);
return IMFPresentationClock_Release(&clock->IMFPresentationClock_iface);
}
static HRESULT WINAPI present_clock_timer_SetTimer(IMFTimer *iface, DWORD flags, LONGLONG time,
IMFAsyncCallback *callback, IUnknown *state, IUnknown **cancel_key)
{
FIXME("%p, %#x, %s, %p, %p, %p.\n", iface, flags, wine_dbgstr_longlong(time), callback, state, cancel_key);
return E_NOTIMPL;
}
static HRESULT WINAPI present_clock_timer_CancelTimer(IMFTimer *iface, IUnknown *cancel_key)
{
FIXME("%p, %p.\n", iface, cancel_key);
return E_NOTIMPL;
}
static const IMFTimerVtbl presentclocktimervtbl =
{
present_clock_timer_QueryInterface,
present_clock_timer_AddRef,
present_clock_timer_Release,
present_clock_timer_SetTimer,
present_clock_timer_CancelTimer,
};
static HRESULT WINAPI present_clock_shutdown_QueryInterface(IMFShutdown *iface, REFIID riid, void **out)
{
struct presentation_clock *clock = impl_from_IMFShutdown(iface);
return IMFPresentationClock_QueryInterface(&clock->IMFPresentationClock_iface, riid, out);
}
static ULONG WINAPI present_clock_shutdown_AddRef(IMFShutdown *iface)
{
struct presentation_clock *clock = impl_from_IMFShutdown(iface);
return IMFPresentationClock_AddRef(&clock->IMFPresentationClock_iface);
}
static ULONG WINAPI present_clock_shutdown_Release(IMFShutdown *iface)
{
struct presentation_clock *clock = impl_from_IMFShutdown(iface);
return IMFPresentationClock_Release(&clock->IMFPresentationClock_iface);
}
static HRESULT WINAPI present_clock_shutdown_Shutdown(IMFShutdown *iface)
{
FIXME("%p.\n", iface);
return E_NOTIMPL;
}
static HRESULT WINAPI present_clock_shutdown_GetShutdownStatus(IMFShutdown *iface, MFSHUTDOWN_STATUS *status)
{
FIXME("%p, %p.\n", iface, status);
return E_NOTIMPL;
}
static const IMFShutdownVtbl presentclockshutdownvtbl =
{
present_clock_shutdown_QueryInterface,
present_clock_shutdown_AddRef,
present_clock_shutdown_Release,
present_clock_shutdown_Shutdown,
present_clock_shutdown_GetShutdownStatus,
};
static HRESULT WINAPI present_clock_sink_callback_QueryInterface(IMFAsyncCallback *iface, REFIID riid, void **out)
{
if (IsEqualIID(riid, &IID_IMFAsyncCallback) ||
IsEqualIID(riid, &IID_IUnknown))
{
*out = iface;
IMFAsyncCallback_AddRef(iface);
return S_OK;
}
WARN("Unsupported %s.\n", wine_dbgstr_guid(riid));
*out = NULL;
return E_NOINTERFACE;
}
static ULONG WINAPI present_clock_sink_callback_AddRef(IMFAsyncCallback *iface)
{
struct presentation_clock *clock = impl_from_IMFAsyncCallback(iface);
return IMFPresentationClock_AddRef(&clock->IMFPresentationClock_iface);
}
static ULONG WINAPI present_clock_sink_callback_Release(IMFAsyncCallback *iface)
{
struct presentation_clock *clock = impl_from_IMFAsyncCallback(iface);
return IMFPresentationClock_Release(&clock->IMFPresentationClock_iface);
}
static HRESULT WINAPI present_clock_sink_callback_GetParameters(IMFAsyncCallback *iface, DWORD *flags, DWORD *queue)
{
return E_NOTIMPL;
}
static HRESULT WINAPI present_clock_sink_callback_Invoke(IMFAsyncCallback *iface, IMFAsyncResult *result)
{
struct sink_notification *data;
IUnknown *object;
HRESULT hr;
if (FAILED(hr = IMFAsyncResult_GetObject(result, &object)))
return hr;
data = impl_from_IUnknown(object);
clock_call_state_change(data->system_time, data->param, data->notification, data->sink);
IUnknown_Release(object);
return S_OK;
}
static const IMFAsyncCallbackVtbl presentclocksinkcallbackvtbl =
{
present_clock_sink_callback_QueryInterface,
present_clock_sink_callback_AddRef,
present_clock_sink_callback_Release,
present_clock_sink_callback_GetParameters,
present_clock_sink_callback_Invoke,
};
/***********************************************************************
* MFCreatePresentationClock (mf.@)
*/
HRESULT WINAPI MFCreatePresentationClock(IMFPresentationClock **clock)
{
struct presentation_clock *object;
TRACE("%p.\n", clock);
object = heap_alloc_zero(sizeof(*object));
if (!object)
return E_OUTOFMEMORY;
object->IMFPresentationClock_iface.lpVtbl = &presentationclockvtbl;
object->IMFRateControl_iface.lpVtbl = &presentclockratecontrolvtbl;
object->IMFTimer_iface.lpVtbl = &presentclocktimervtbl;
object->IMFShutdown_iface.lpVtbl = &presentclockshutdownvtbl;
object->IMFAsyncCallback_iface.lpVtbl = &presentclocksinkcallbackvtbl;
object->refcount = 1;
list_init(&object->sinks);
object->rate = 1.0f;
InitializeCriticalSection(&object->cs);
*clock = &object->IMFPresentationClock_iface;
return S_OK;
}
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