[PATCH] mfplay: Enable rate control methods.

[Nikolay Sivov]

Signed-off-by: Nikolay Sivov 
---
 dlls/mfplay/player.c       | 62 +++++++++++++++++++++++++++++++++++---
 dlls/mfplay/tests/mfplay.c | 37 ++++++++++++++++++++++-
 2 files changed, 94 insertions(+), 5 deletions(-)

diff --git a/dlls/mfplay/player.c b/dlls/mfplay/player.c
index 6e0629ca0bc..7d9a4da8649 100644
--- a/dlls/mfplay/player.c
+++ b/dlls/mfplay/player.c
@@ -1104,16 +1104,44 @@ static HRESULT WINAPI media_player_GetDuration(IMFPMediaPlayer *iface, REFGUID p

static HRESULT WINAPI media_player_SetRate(IMFPMediaPlayer *iface, float rate)
 {
-    FIXME("%p, %f.\n", iface, rate);
+    struct media_player *player = impl_from_IMFPMediaPlayer(iface);
+    IMFRateControl *rate_control;
+    HRESULT hr;

-    return E_NOTIMPL;
+    TRACE("%p, %f.\n", iface, rate);
+
+    if (rate == 0.0f)
+        return MF_E_OUT_OF_RANGE;
+
+    if (SUCCEEDED(hr = MFGetService((IUnknown *)player->session, &MF_RATE_CONTROL_SERVICE, &IID_IMFRateControl,
+            (void **)&rate_control)))
+    {
+        hr = IMFRateControl_SetRate(rate_control, FALSE, rate);
+        IMFRateControl_Release(rate_control);
+    }
+
+    return hr;
 }

static HRESULT WINAPI media_player_GetRate(IMFPMediaPlayer *iface, float *rate)
 {
-    FIXME("%p, %p.\n", iface, rate);
+    struct media_player *player = impl_from_IMFPMediaPlayer(iface);
+    IMFRateControl *rate_control;
+    HRESULT hr;

-    return E_NOTIMPL;
+    TRACE("%p, %p.\n", iface, rate);
+
+    if (!rate)
+        return E_POINTER;
+
+    if (SUCCEEDED(hr = MFGetService((IUnknown *)player->session, &MF_RATE_CONTROL_SERVICE, &IID_IMFRateControl,
+            (void **)&rate_control)))
+    {
+        hr = IMFRateControl_GetRate(rate_control, NULL, rate);
+        IMFRateControl_Release(rate_control);
+    }
+
+    return hr;
 }

static HRESULT WINAPI media_player_GetSupportedRates(IMFPMediaPlayer *iface, BOOL forward,
@@ -2094,6 +2122,17 @@ static void media_player_playback_ended(struct media_player *player, HRESULT eve
     LeaveCriticalSection(&player->cs);
 }

+static void media_player_rate_changed(struct media_player *player, HRESULT event_status,
+        float rate, struct media_event **event)
+{
+    EnterCriticalSection(&player->cs);
+
+    if (SUCCEEDED(media_event_create(player, MFP_EVENT_TYPE_RATE_SET, event_status, player->item, event)))
+        (*event)->u.rate_set.flRate = rate;
+
+    LeaveCriticalSection(&player->cs);
+}
+
 static HRESULT WINAPI media_player_session_events_callback_Invoke(IMFAsyncCallback *iface,
         IMFAsyncResult *result)
 {
@@ -2106,6 +2145,7 @@ static HRESULT WINAPI media_player_session_events_callback_Invoke(IMFAsyncCallba
     IMFTopology *topology;
     unsigned int status;
     PROPVARIANT value;
+    float rate;

if (FAILED(hr = IMFMediaSession_EndGetEvent(player->session, result, &session_event)))
         return S_OK;
@@ -2160,6 +2200,20 @@ static HRESULT WINAPI media_player_session_events_callback_Invoke(IMFAsyncCallba

break;

+        case MESessionRateChanged:
+
+            rate = 0.0f;
+            if (SUCCEEDED(IMFMediaEvent_GetValue(session_event, &value)))
+            {
+                if (value.vt == VT_R4)
+                    rate = value.fltVal;
+                PropVariantClear(&value);
+            }
+
+            media_player_rate_changed(player, event_status, rate, &event);
+
+            break;
+
         case MEBufferingStarted:
         case MEBufferingStopped:
         case MEExtendedType:
diff --git a/dlls/mfplay/tests/mfplay.c b/dlls/mfplay/tests/mfplay.c
index 12825ba29da..50ecb1b09b9 100644
--- a/dlls/mfplay/tests/mfplay.c
+++ b/dlls/mfplay/tests/mfplay.c
@@ -171,10 +171,10 @@ static void test_create_player(void)
 static void test_shutdown(void)
 {
     SIZE size, min_size, max_size;
+    float slowest, fastest, rate;
     MFP_MEDIAPLAYER_STATE state;
     MFVideoNormalizedRect rect;
     IMFPMediaPlayer *player;
-    float slowest, fastest;
     IMFPMediaItem *item;
     PROPVARIANT propvar;
     COLORREF color;
@@ -263,6 +263,15 @@ static void test_shutdown(void)
     hr = IMFPMediaPlayer_GetPosition(player, &MFP_POSITIONTYPE_100NS, &propvar);
     ok(hr == MF_E_SHUTDOWN, "Unexpected hr %#lx.\n", hr);

+    hr = IMFPMediaPlayer_SetRate(player, 2.0f);
+    ok(hr == MF_E_SHUTDOWN, "Unexpected hr %#lx.\n", hr);
+
+    hr = IMFPMediaPlayer_GetRate(player, NULL);
+    ok(hr == E_POINTER, "Unexpected hr %#lx.\n", hr);
+
+    hr = IMFPMediaPlayer_GetRate(player, &rate);
+    ok(hr == MF_E_SHUTDOWN, "Unexpected hr %#lx.\n", hr);
+
     hr = IMFPMediaPlayer_Shutdown(player);
     ok(hr == S_OK, "Unexpected hr %#lx.\n", hr);

@@ -548,6 +557,31 @@ static void test_duration(void)
     IMFPMediaPlayer_Release(player);
 }

+static void test_playback_rate(void)
+{
+    IMFPMediaPlayer *player;
+    float rate;
+    HRESULT hr;
+
+    hr = MFPCreateMediaPlayer(NULL, FALSE, 0, NULL, NULL, &player);
+    ok(hr == S_OK, "Unexpected hr %#lx.\n", hr);
+
+    hr = IMFPMediaPlayer_SetRate(player, 0.0f);
+    ok(hr == MF_E_OUT_OF_RANGE, "Unexpected hr %#lx.\n", hr);
+
+    hr = IMFPMediaPlayer_SetRate(player, 2.0f);
+    ok(hr == S_OK, "Unexpected hr %#lx.\n", hr);
+
+    hr = IMFPMediaPlayer_GetRate(player, NULL);
+    ok(hr == E_POINTER, "Unexpected hr %#lx.\n", hr);
+
+    hr = IMFPMediaPlayer_GetRate(player, &rate);
+    ok(hr == S_OK, "Unexpected hr %#lx.\n", hr);
+    ok(rate == 1.0f, "Unexpected rate %f.\n", rate);
+
+    IMFPMediaPlayer_Release(player);
+}
+
 START_TEST(mfplay)
 {
     test_create_player();
@@ -555,4 +589,5 @@ START_TEST(mfplay)
     test_media_item();
     test_video_control();
     test_duration();
+    test_playback_rate();
 }