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mfmediaengine: Handle Play() when called before topology is set. 

Signed-off-by: Nikolay Sivov <nsivov@codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
This commit is contained in:
Nikolay Sivov 2021-07-22 17:46:11 +03:00 committed by Alexandre Julliard
parent c3c20fdc0b
commit bf824dbb92
1 changed files with 23 additions and 3 deletions
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26
dlls/mfmediaengine/main.c
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@ -84,6 +84,8 @@ enum media_engine_flags
FLAGS_ENGINE_FIRST_FRAME = 0x2000,
FLAGS_ENGINE_IS_ENDED = 0x4000,
FLAGS_ENGINE_NEW_FRAME = 0x8000,
FLAGS_ENGINE_SOURCE_PENDING = 0x10000,
FLAGS_ENGINE_PLAY_PENDING = 0x20000,
};
struct vec3
@ -1181,9 +1183,18 @@ static HRESULT media_engine_create_topology(struct media_engine *engine, IMFMedi
return hr;
}
static void media_engine_start_playback(struct media_engine *engine)
{
PROPVARIANT var;
var.vt = VT_EMPTY;
IMFMediaSession_Start(engine->session, &GUID_NULL, &var);
}
static HRESULT WINAPI media_engine_load_handler_Invoke(IMFAsyncCallback *iface, IMFAsyncResult *result)
{
struct media_engine *engine = impl_from_load_handler_IMFAsyncCallback(iface);
unsigned int start_playback;
MF_OBJECT_TYPE obj_type;
IMFMediaSource *source;
IUnknown *object = NULL;
@ -1194,6 +1205,9 @@ static HRESULT WINAPI media_engine_load_handler_Invoke(IMFAsyncCallback *iface,
engine->network_state = MF_MEDIA_ENGINE_NETWORK_LOADING;
IMFMediaEngineNotify_EventNotify(engine->callback, MF_MEDIA_ENGINE_EVENT_LOADSTART, 0, 0);
start_playback = engine->flags & FLAGS_ENGINE_PLAY_PENDING;
media_engine_set_flag(engine, FLAGS_ENGINE_SOURCE_PENDING | FLAGS_ENGINE_PLAY_PENDING, FALSE);
if (FAILED(hr = IMFSourceResolver_EndCreateObjectFromURL(engine->resolver, result, &obj_type, &object)))
WARN("Failed to create source object, hr %#x.\n", hr);
@ -1210,6 +1224,8 @@ static HRESULT WINAPI media_engine_load_handler_Invoke(IMFAsyncCallback *iface,
if (SUCCEEDED(hr))
{
engine->network_state = MF_MEDIA_ENGINE_NETWORK_IDLE;
if (start_playback)
media_engine_start_playback(engine);
}
else
{
@ -1387,6 +1403,9 @@ static HRESULT WINAPI media_engine_SetSource(IMFMediaEngine *iface, BSTR url)
&IID_IPropertyStore, (void **)&props);
hr = IMFSourceResolver_BeginCreateObjectFromURL(engine->resolver, url, flags, props, NULL,
&engine->load_handler, NULL);
if (SUCCEEDED(hr))
media_engine_set_flag(engine, FLAGS_ENGINE_SOURCE_PENDING, TRUE);
if (props)
IPropertyStore_Release(props);
}
@ -1723,7 +1742,6 @@ static HRESULT WINAPI media_engine_SetLoop(IMFMediaEngine *iface, BOOL loop)
static HRESULT WINAPI media_engine_Play(IMFMediaEngine *iface)
{
struct media_engine *engine = impl_from_IMFMediaEngine(iface);
PROPVARIANT var;
TRACE("%p.\n", iface);
@ -1736,8 +1754,10 @@ static HRESULT WINAPI media_engine_Play(IMFMediaEngine *iface)
media_engine_set_flag(engine, FLAGS_ENGINE_PAUSED | FLAGS_ENGINE_IS_ENDED, FALSE);
IMFMediaEngineNotify_EventNotify(engine->callback, MF_MEDIA_ENGINE_EVENT_PLAY, 0, 0);
var.vt = VT_EMPTY;
IMFMediaSession_Start(engine->session, &GUID_NULL, &var);
if (!(engine->flags & FLAGS_ENGINE_SOURCE_PENDING))
media_engine_start_playback(engine);
else
media_engine_set_flag(engine, FLAGS_ENGINE_PLAY_PENDING, TRUE);
media_engine_set_flag(engine, FLAGS_ENGINE_WAITING, TRUE);
}