[PATCH 1/2] mfmediaengine: Handle Play() when called before topology is set.
Nikolay Sivov
nsivov at codeweavers.com
Thu Jul 22 09:46:11 CDT 2021
Signed-off-by: Nikolay Sivov <nsivov at codeweavers.com>
---
dlls/mfmediaengine/main.c | 26 +++++++++++++++++++++++---
1 file changed, 23 insertions(+), 3 deletions(-)
diff --git a/dlls/mfmediaengine/main.c b/dlls/mfmediaengine/main.c
index bd3fd04aabd..a555d0dad99 100644
--- a/dlls/mfmediaengine/main.c
+++ b/dlls/mfmediaengine/main.c
@@ -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);
}
--
2.30.2
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