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mfmediaengine: Implement IMFMediaEngineEx::SetCurrentTime().

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Zhiyi Zhang 2023-07-28 18:04:30 +08:00 • committed by Alexandre Julliard
parent b1cca5b52a
commit 2bcc87b303
1 changed files with 52 additions and 7 deletions
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59
dlls/mfmediaengine/main.c
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@ -94,6 +94,7 @@ enum media_engine_flags
FLAGS_ENGINE_NEW_FRAME = 0x8000,
FLAGS_ENGINE_SOURCE_PENDING = 0x10000,
FLAGS_ENGINE_PLAY_PENDING = 0x20000,
FLAGS_ENGINE_SEEKING = 0x40000,
};
struct vec3
@ -164,6 +165,7 @@ struct media_engine
{
IMFMediaSource *source;
IMFPresentationDescriptor *pd;
PROPVARIANT start_position;
} presentation;
struct effects video_effects;
struct effects audio_effects;
@ -978,7 +980,14 @@ static HRESULT WINAPI media_engine_session_events_Invoke(IMFAsyncCallback *iface
break;
}
case MESessionStarted:
EnterCriticalSection(&engine->cs);
if (engine->flags & FLAGS_ENGINE_SEEKING)
{
media_engine_set_flag(engine, FLAGS_ENGINE_SEEKING | FLAGS_ENGINE_IS_ENDED, FALSE);
IMFMediaEngineNotify_EventNotify(engine->callback, MF_MEDIA_ENGINE_EVENT_SEEKED, 0, 0);
IMFMediaEngineNotify_EventNotify(engine->callback, MF_MEDIA_ENGINE_EVENT_TIMEUPDATE, 0, 0);
}
LeaveCriticalSection(&engine->cs);
IMFMediaEngineNotify_EventNotify(engine->callback, MF_MEDIA_ENGINE_EVENT_PLAYING, 0, 0);
break;
case MESessionEnded:
@ -1339,10 +1348,9 @@ static HRESULT media_engine_create_topology(struct media_engine *engine, IMFMedi
static void media_engine_start_playback(struct media_engine *engine)
{
PROPVARIANT var;
var.vt = VT_EMPTY;
IMFMediaSession_Start(engine->session, &GUID_NULL, &var);
IMFMediaSession_Start(engine->session, &GUID_NULL, &engine->presentation.start_position);
/* Reset the playback position to the current position */
engine->presentation.start_position.vt = VT_EMPTY;
}
static HRESULT WINAPI media_engine_load_handler_Invoke(IMFAsyncCallback *iface, IMFAsyncResult *result)
@ -1770,6 +1778,10 @@ static double WINAPI media_engine_GetCurrentTime(IMFMediaEngineEx *iface)
{
ret = engine->duration;
}
else if (engine->flags & FLAGS_ENGINE_PAUSED && engine->presentation.start_position.vt == VT_I8)
{
ret = (double)engine->presentation.start_position.hVal.QuadPart / 10000000;
}
else if (SUCCEEDED(IMFPresentationClock_GetTime(engine->clock, &clocktime)))
{
ret = mftime_to_seconds(clocktime);
@ -1779,17 +1791,50 @@ static double WINAPI media_engine_GetCurrentTime(IMFMediaEngineEx *iface)
return ret;
}
static HRESULT media_engine_set_current_time(struct media_engine *engine, double seektime)
{
PROPVARIANT position;
DWORD caps;
HRESULT hr;
hr = IMFMediaSession_GetSessionCapabilities(engine->session, &caps);
if (FAILED(hr) || !(caps & MFSESSIONCAP_SEEK))
return hr;
position.vt = VT_I8;
position.hVal.QuadPart = min(max(0, seektime), engine->duration) * 10000000;
if (IMFMediaEngineEx_IsPaused(&engine->IMFMediaEngineEx_iface))
{
engine->presentation.start_position = position;
IMFMediaEngineNotify_EventNotify(engine->callback, MF_MEDIA_ENGINE_EVENT_SEEKING, 0, 0);
IMFMediaEngineNotify_EventNotify(engine->callback, MF_MEDIA_ENGINE_EVENT_SEEKED, 0, 0);
IMFMediaEngineNotify_EventNotify(engine->callback, MF_MEDIA_ENGINE_EVENT_TIMEUPDATE, 0, 0);
return S_OK;
}
if (SUCCEEDED(hr = IMFMediaSession_Start(engine->session, &GUID_NULL, &position)))
{
media_engine_set_flag(engine, FLAGS_ENGINE_SEEKING, TRUE);
IMFMediaEngineNotify_EventNotify(engine->callback, MF_MEDIA_ENGINE_EVENT_SEEKING, 0, 0);
}
return hr;
}
static HRESULT WINAPI media_engine_SetCurrentTime(IMFMediaEngineEx *iface, double time)
{
struct media_engine *engine = impl_from_IMFMediaEngineEx(iface);
HRESULT hr = E_NOTIMPL;
HRESULT hr;
FIXME("(%p, %f): stub.\n", iface, time);
TRACE("%p, %f.\n", iface, time);
EnterCriticalSection(&engine->cs);
if (engine->flags & FLAGS_ENGINE_SHUT_DOWN)
hr = MF_E_SHUTDOWN;
else
hr = media_engine_set_current_time(engine, time);
LeaveCriticalSection(&engine->cs);