Nikolay Sivov : mf: Track stream sinks state to maintain session state.
Alexandre Julliard
julliard at winehq.org
Fri Feb 28 13:54:41 CST 2020
Module: wine
Branch: master
Commit: 74e7e45d9f467912bff250dc6f3519de42b94555
URL: https://source.winehq.org/git/wine.git/?a=commit;h=74e7e45d9f467912bff250dc6f3519de42b94555
Author: Nikolay Sivov <nsivov at codeweavers.com>
Date: Fri Feb 28 15:01:01 2020 +0300
mf: Track stream sinks state to maintain session state.
Signed-off-by: Nikolay Sivov <nsivov at codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard at winehq.org>
---
dlls/mf/session.c | 84 +++++++++++++++++++++++++++++++++++++++++++++++++++++++
1 file changed, 84 insertions(+)
diff --git a/dlls/mf/session.c b/dlls/mf/session.c
index 367f39cd9c..70d042cf3d 100644
--- a/dlls/mf/session.c
+++ b/dlls/mf/session.c
@@ -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:
;
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