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mf: Support seeking while a session is started.

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Zhiyi Zhang 2023-10-24 12:42:12 -05:00 • committed by Alexandre Julliard
parent c1223d0be0
commit 9c82ce962b
1 changed files with 61 additions and 2 deletions
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63
dlls/mf/session.c
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@ -93,6 +93,7 @@ enum session_state
SESSION_STATE_STARTING_SOURCES,
SESSION_STATE_PREROLLING_SINKS,
SESSION_STATE_STARTING_SINKS,
SESSION_STATE_RESTARTING_SOURCES,
SESSION_STATE_STARTED,
SESSION_STATE_PAUSING_SINKS,
SESSION_STATE_PAUSING_SOURCES,
@ -929,6 +930,7 @@ static void session_start(struct media_session *session, const GUID *time_format
{
struct media_source *source;
struct topo_node *topo_node;
MFTIME duration;
HRESULT hr;
UINT i;
@ -981,8 +983,36 @@ static void session_start(struct media_session *session, const GUID *time_format
session->state = SESSION_STATE_STARTING_SOURCES;
break;
case SESSION_STATE_STARTED:
FIXME("Seeking is not implemented.\n");
session_command_complete(session);
/* Check for invalid positions */
LIST_FOR_EACH_ENTRY(source, &session->presentation.sources, struct media_source, entry)
{
hr = IMFPresentationDescriptor_GetUINT64(source->pd, &MF_PD_DURATION, (UINT64 *)&duration);
if (SUCCEEDED(hr) && IsEqualGUID(time_format, &GUID_NULL)
&& start_position->vt == VT_I8 && start_position->hVal.QuadPart > duration)
{
WARN("Start position %s out of range, hr %#lx.\n", wine_dbgstr_longlong(start_position->hVal.QuadPart), hr);
session_command_complete_with_event(session, MESessionStarted, MF_E_INVALID_POSITION, NULL);
return;
}
}
/* Stop sources */
LIST_FOR_EACH_ENTRY(source, &session->presentation.sources, struct media_source, entry)
{
if (FAILED(hr = IMFMediaSource_Stop(source->source)))
{
WARN("Failed to stop media source %p, hr %#lx.\n", source->source, hr);
session_command_complete_with_event(session, MESessionStarted, hr, NULL);
return;
}
}
session->presentation.time_format = *time_format;
session->presentation.start_position.vt = VT_EMPTY;
PropVariantCopy(&session->presentation.start_position, start_position);
/* SESSION_STATE_STARTED -> SESSION_STATE_RESTARTING_SOURCES -> SESSION_STATE_STARTED */
session->state = SESSION_STATE_RESTARTING_SOURCES;
break;
default:
session_command_complete_with_event(session, MESessionStarted, MF_E_INVALIDREQUEST, NULL);
@ -2888,6 +2918,7 @@ static BOOL session_set_node_object_state(struct media_session *session, IUnknow
static void session_set_source_object_state(struct media_session *session, IUnknown *object,
MediaEventType event_type)
{
struct media_source *source;
IMFStreamSink *stream_sink;
struct media_source *src;
struct media_sink *sink;
@ -2939,6 +2970,15 @@ static void session_set_source_object_state(struct media_session *session, IUnkn
session_set_presentation_clock(session);
/* If sinks are already started, start session immediately. This can happen when doing a
* seek from SESSION_STATE_STARTED */
if (session_is_output_nodes_state(session, OBJ_STATE_STARTED)
&& SUCCEEDED(session_start_clock(session)))
{
session_set_started(session);
return;
}
if (session->presentation.flags & SESSION_FLAG_NEEDS_PREROLL)
{
MFTIME preroll_time = 0;
@ -2976,6 +3016,25 @@ static void session_set_source_object_state(struct media_session *session, IUnkn
else if (SUCCEEDED(session_start_clock(session)))
session->state = SESSION_STATE_STARTING_SINKS;
break;
case SESSION_STATE_RESTARTING_SOURCES:
if (!session_is_source_nodes_state(session, OBJ_STATE_STOPPED))
break;
session_flush_nodes(session);
/* Start sources */
LIST_FOR_EACH_ENTRY(source, &session->presentation.sources, struct media_source, entry)
{
if (FAILED(hr = IMFMediaSource_Start(source->source, source->pd,
&session->presentation.time_format, &session->presentation.start_position)))
{
WARN("Failed to start media source %p, hr %#lx.\n", source->source, hr);
session_command_complete_with_event(session, MESessionStarted, hr, NULL);
return;
}
}
session->state = SESSION_STATE_STARTING_SOURCES;
break;
case SESSION_STATE_PAUSING_SOURCES:
if (!session_is_source_nodes_state(session, OBJ_STATE_PAUSED))