[PATCH v4 6/6] mf: Handle thinning in media session.

[Charlotte Pabst]

From: Charlotte Pabst

---
 dlls/mf/session.c  | 9 +++++++--
 dlls/mf/tests/mf.c | 1 -
 2 files changed, 7 insertions(+), 3 deletions(-)

diff --git a/dlls/mf/session.c b/dlls/mf/session.c
index 20401acc4b4..9294d40045d 100644
--- a/dlls/mf/session.c
+++ b/dlls/mf/session.c
@@ -260,6 +260,8 @@ struct media_session
         /* Latest SetRate() arguments. */
         BOOL thin;
         float rate;
+
+        BOOL thin_committed;
     } presentation;
     struct list topologies;
     struct list commands;
@@ -1541,7 +1543,7 @@ static void session_set_rate(struct media_session *session, BOOL thin, float rat
     if (SUCCEEDED(hr))
         hr = IMFRateControl_GetRate(session->clock_rate_control, NULL, &clock_rate);

-    if (SUCCEEDED(hr) && (rate != clock_rate) && SUCCEEDED(hr = session_subscribe_sources(session)))
+    if (SUCCEEDED(hr) && (rate != clock_rate || thin != session->presentation.thin_committed) && SUCCEEDED(hr = session_subscribe_sources(session)))
     {
         LIST_FOR_EACH_ENTRY(source, &session->presentation.sources, struct media_source, entry)
         {
@@ -1554,6 +1556,7 @@ static void session_set_rate(struct media_session *session, BOOL thin, float rat
                 {
                     session->presentation.flags |= SESSION_FLAG_PENDING_RATE_CHANGE;
                     session->presentation.rate = rate;
+                    session->presentation.thin = thin;
                     return;
                 }
             }
@@ -1578,6 +1581,8 @@ static void session_complete_rate_change(struct media_session *session)
     session->presentation.flags &= ~SESSION_FLAG_PENDING_RATE_CHANGE;
     session_set_presentation_clock(session);

+    session->presentation.thin_committed = session->presentation.thin;
+
     hr = IMFRateControl_SetRate(session->clock_rate_control, FALSE,
             session->presentation.rate);

@@ -4744,7 +4749,7 @@ static HRESULT WINAPI session_rate_control_GetRate(IMFRateControl *iface, BOOL *
     TRACE("%p, %p, %p.\n", iface, thin, rate);

if (thin)
-        *thin = FALSE;
+        *thin = session->presentation.thin_committed;

return IMFRateControl_GetRate(session->clock_rate_control, NULL, rate);
 }
diff --git a/dlls/mf/tests/mf.c b/dlls/mf/tests/mf.c
index 9e7b5a5bdfe..da26fab33aa 100644
--- a/dlls/mf/tests/mf.c
+++ b/dlls/mf/tests/mf.c
@@ -7092,7 +7092,6 @@ static void test_media_session_thinning(void)

hr = IMFRateControl_GetRate(rate_control, &thin, &rate);
     ok(hr == S_OK, "Unexpected hr %#lx.\n", hr);
-    todo_wine
     ok(thin == TRUE, "got thin %d\n", !!thin);
     ok(rate == 2.0, "got rate %f\n", rate);