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mf: Track stream sinks state to maintain session state. 

Signed-off-by: Nikolay Sivov <nsivov@codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
This commit is contained in:
Nikolay Sivov 2020-02-28 15:01:01 +03:00 committed by Alexandre Julliard
parent 9122d73ccd
commit 74e7e45d9f
1 changed files with 84 additions and 0 deletions
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84
dlls/mf/session.c
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@ -1582,6 +1582,19 @@ static BOOL session_is_source_nodes_state(struct media_session *session, enum ob
return TRUE;
}
static BOOL session_is_output_nodes_state(struct media_session *session, enum object_state state)
{
struct output_node *node;
LIST_FOR_EACH_ENTRY(node, &session->presentation.output_nodes, struct output_node, entry)
{
if (node->state != state)
return FALSE;
}
return TRUE;
}
static enum object_state session_get_object_state_for_event(MediaEventType event)
{
switch (event)
@ -1737,6 +1750,68 @@ static void session_set_source_object_state(struct media_session *session, IUnkn
}
}
static void session_set_sink_stream_state(struct media_session *session, IMFStreamSink *stream,
MediaEventType event_type)
{
struct media_source *source;
struct output_node *node;
enum object_state state;
BOOL changed = FALSE;
IMFMediaEvent *event;
DWORD caps, flags;
if ((state = session_get_object_state_for_event(event_type)) == OBJ_STATE_INVALID)
return;
LIST_FOR_EACH_ENTRY(node, &session->presentation.output_nodes, struct output_node, entry)
{
if (stream == node->stream)
{
changed = node->state != state;
node->state = state;
break;
}
}
if (!changed)
return;
switch (session->state)
{
case SESSION_STATE_STARTING_SINKS:
if (!session_is_output_nodes_state(session, OBJ_STATE_STARTED))
break;
session->state = SESSION_STATE_RUNNING;
caps = session->caps | MFSESSIONCAP_PAUSE;
LIST_FOR_EACH_ENTRY(source, &session->presentation.sources, struct media_source, entry)
{
if (SUCCEEDED(IMFMediaSource_GetCharacteristics(source->source, &flags)))
{
if (!(flags & MFMEDIASOURCE_CAN_PAUSE))
{
caps &= ~MFSESSIONCAP_PAUSE;
break;
}
}
}
session_set_caps(session, caps);
if (SUCCEEDED(MFCreateMediaEvent(MESessionStarted, &GUID_NULL, S_OK, NULL, &event)))
{
IMFMediaEvent_SetUINT64(event, &MF_EVENT_PRESENTATION_TIME_OFFSET, 0);
IMFMediaEventQueue_QueueEvent(session->event_queue, event);
IMFMediaEvent_Release(event);
}
break;
default:
;
}
}
static HRESULT WINAPI session_events_callback_Invoke(IMFAsyncCallback *iface, IMFAsyncResult *result)
{
struct media_session *session = impl_from_events_callback_IMFAsyncCallback(iface);
@ -1803,6 +1878,15 @@ static HRESULT WINAPI session_events_callback_Invoke(IMFAsyncCallback *iface, IM
IMFMediaSource_Release(source);
break;
case MEStreamSinkStarted:
case MEStreamSinkPaused:
case MEStreamSinkStopped:
EnterCriticalSection(&session->cs);
session_set_sink_stream_state(session, (IMFStreamSink *)event_source, event_type);
LeaveCriticalSection(&session->cs);
break;
default:
;