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mf: Implement Pause() command for media session. 

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 15:01:02 +03:00 committed by Alexandre Julliard
parent 74e7e45d9f
commit 43fd6bd94a
1 changed files with 63 additions and 0 deletions
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63
dlls/mf/session.c
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@ -76,6 +76,9 @@ enum session_state
SESSION_STATE_STARTING_SOURCES,
SESSION_STATE_STARTING_SINKS,
SESSION_STATE_RUNNING,
SESSION_STATE_PAUSING_SINKS,
SESSION_STATE_PAUSING_SOURCES,
SESSION_STATE_PAUSED,
SESSION_STATE_CLOSED,
SESSION_STATE_SHUT_DOWN,
};
@ -644,6 +647,34 @@ static void session_start(struct media_session *session, const GUID *time_format
LeaveCriticalSection(&session->cs);
}
static void session_pause(struct media_session *session)
{
HRESULT hr;
EnterCriticalSection(&session->cs);
switch (session->state)
{
case SESSION_STATE_RUNNING:
/* Transition in two steps - pause clock, wait for sinks and pause sources. */
if (SUCCEEDED(hr = IMFPresentationClock_Pause(session->clock)))
session->state = SESSION_STATE_PAUSING_SINKS;
break;
default:
hr = MF_E_INVALIDREQUEST;
}
if (FAILED(hr))
{
session->state = SESSION_STATE_PAUSED;
IMFMediaEventQueue_QueueEventParamVar(session->event_queue, MESessionPaused, &GUID_NULL, hr, NULL);
}
LeaveCriticalSection(&session->cs);
}
static struct media_source *session_get_media_source(struct media_session *session, IMFMediaSource *source)
{
struct media_source *cur;
@ -1469,6 +1500,7 @@ static HRESULT WINAPI session_commands_callback_Invoke(IMFAsyncCallback *iface,
session_start(session, &op->u.start.time_format, &op->u.start.start_position);
break;
case SESSION_CMD_PAUSE:
session_pause(session);
break;
case SESSION_CMD_CLOSE:
EnterCriticalSection(&session->cs);
@ -1744,6 +1776,17 @@ static void session_set_source_object_state(struct media_session *session, IUnkn
if (SUCCEEDED(session_start_clock(session)))
session->state = SESSION_STATE_STARTING_SINKS;
break;
case SESSION_STATE_PAUSING_SOURCES:
if (!session_is_source_nodes_state(session, OBJ_STATE_PAUSED))
break;
session->state = SESSION_STATE_PAUSED;
session_set_caps(session, session->caps & ~MFSESSIONCAP_PAUSE);
IMFMediaEventQueue_QueueEventParamVar(session->event_queue, MESessionPaused, &GUID_NULL, S_OK, NULL);
break;
default:
;
@ -1759,6 +1802,7 @@ static void session_set_sink_stream_state(struct media_session *session, IMFStre
BOOL changed = FALSE;
IMFMediaEvent *event;
DWORD caps, flags;
HRESULT hr;
if ((state = session_get_object_state_for_event(event_type)) == OBJ_STATE_INVALID)
return;
@ -1806,6 +1850,25 @@ static void session_set_sink_stream_state(struct media_session *session, IMFStre
IMFMediaEventQueue_QueueEvent(session->event_queue, event);
IMFMediaEvent_Release(event);
}
break;
case SESSION_STATE_PAUSING_SINKS:
if (!session_is_output_nodes_state(session, OBJ_STATE_PAUSED))
break;
session->state = SESSION_STATE_PAUSING_SOURCES;
LIST_FOR_EACH_ENTRY(source, &session->presentation.sources, struct media_source, entry)
{
if (FAILED(hr = IMFMediaSource_Pause(source->source)))
break;
}
if (FAILED(hr))
{
session->state = SESSION_STATE_PAUSED;
IMFMediaEventQueue_QueueEventParamVar(session->event_queue, MESessionPaused, &GUID_NULL, hr, NULL);
}
break;
default:
;