[PATCH 3/6] mf/session: Move transform node ProcessInput calls to a separate helper.

[Rémi Bernon]

From: Rémi Bernon

---
 dlls/mf/session.c | 85 ++++++++++++++++++++++++++---------------------
 1 file changed, 48 insertions(+), 37 deletions(-)

diff --git a/dlls/mf/session.c b/dlls/mf/session.c
index 3a2add63782..10fcbd80850 100644
--- a/dlls/mf/session.c
+++ b/dlls/mf/session.c
@@ -3164,14 +3164,58 @@ static HRESULT transform_node_pull_samples(const struct media_session *session,
     return hr;
 }

+static HRESULT transform_node_push_samples(const struct media_session *session, struct topo_node *node)
+{
+    BOOL drain = FALSE;
+    HRESULT hr = S_OK;
+    IMFSample *sample;
+    UINT i, id;
+
+    for (i = 0; i < node->u.transform.input_count; ++i)
+    {
+        struct transform_stream *stream = &node->u.transform.inputs[i];
+
+        id = transform_node_get_stream_id(node, FALSE, i);
+        while (SUCCEEDED(hr = transform_stream_pop_sample(stream, &sample)))
+        {
+            if (!sample)
+            {
+                transform_stream_drop_samples(stream);
+                drain = TRUE;
+                break;
+            }
+
+            hr = IMFTransform_ProcessInput(node->object.transform, id, sample, 0);
+            if (hr == MF_E_NOTACCEPTING)
+            {
+                transform_stream_push_sample(stream, sample, TRUE);
+                IMFSample_Release(sample);
+                break;
+            }
+
+            if (FAILED(hr))
+                WARN("Failed to process input for stream %u/%u, hr %#lx.\n", i, id, hr);
+            IMFSample_Release(sample);
+        }
+    }
+
+    if (drain)
+    {
+        if (FAILED(hr = IMFTransform_ProcessMessage(node->object.transform, MFT_MESSAGE_COMMAND_DRAIN, 0)))
+            WARN("Drain command failed for transform, hr %#lx.\n", hr);
+        return MF_E_END_OF_STREAM;
+    }
+
+    return hr;
+}
+
 static void session_deliver_sample_to_node(struct media_session *session, IMFTopologyNode *node, unsigned int input,
         IMFSample *sample)
 {
-    DWORD stream_id, downstream_input;
+    DWORD downstream_input;
     IMFTopologyNode *downstream_node;
     struct topo_node *topo_node;
     MF_TOPOLOGY_TYPE node_type;
-    BOOL drain = FALSE;
     TOPOID node_id;
     unsigned int i;
     HRESULT hr;
@@ -3208,45 +3252,12 @@ static void session_deliver_sample_to_node(struct media_session *session, IMFTop
             transform_stream_push_sample(input_stream, sample, FALSE);

transform_node_pull_samples(session, topo_node);
-
-            for (i = 0; i < topo_node->u.transform.input_count; ++i)
-            {
-                struct transform_stream *stream = &topo_node->u.transform.inputs[i];
-
-                stream_id = transform_node_get_stream_id(topo_node, FALSE, i);
-                while (SUCCEEDED(hr = transform_stream_pop_sample(stream, &sample)))
-                {
-                    if (!sample)
-                    {
-                        transform_stream_drop_samples(stream);
-                        drain = TRUE;
-                        break;
-                    }
-
-                    hr = IMFTransform_ProcessInput(topo_node->object.transform, stream_id, sample, 0);
-                    if (hr == MF_E_NOTACCEPTING)
-                    {
-                        transform_stream_push_sample(stream, sample, TRUE);
-                        IMFSample_Release(sample);
-                        break;
-                    }
-
-                    if (FAILED(hr))
-                        WARN("Failed to process input for stream %u/%lu, hr %#lx.\n", i, stream_id, hr);
-                    IMFSample_Release(sample);
-                }
-            }
-
-            if (drain)
-            {
-                if (FAILED(hr = IMFTransform_ProcessMessage(topo_node->object.transform, MFT_MESSAGE_COMMAND_DRAIN, 0)))
-                    WARN("Drain command failed for transform, hr %#lx.\n", hr);
-            }
+            hr = transform_node_push_samples(session, topo_node);

transform_node_pull_samples(session, topo_node);

/* Remaining unprocessed input has been discarded, now queue markers for every output. */
-            if (drain)
+            if (hr == MF_E_END_OF_STREAM)
             {
                 for (i = 0; i < topo_node->u.transform.output_count; ++i)
                 {