winegstreamer: Implement H264 decoder GetInputStreamInfo.

dlls/mf/tests/mf.c

@@ -6790,17 +6790,11 @@ static void test_h264_decoder(void)
     flags = MFT_INPUT_STREAM_WHOLE_SAMPLES | MFT_INPUT_STREAM_SINGLE_SAMPLE_PER_BUFFER | MFT_INPUT_STREAM_FIXED_SAMPLE_SIZE;
     memset(&input_info, 0xcd, sizeof(input_info));
     hr = IMFTransform_GetInputStreamInfo(transform, 0, &input_info);
-    todo_wine
     ok(hr == S_OK, "GetInputStreamInfo returned %#lx\n", hr);
-    todo_wine
     ok(input_info.hnsMaxLatency == 0, "got hnsMaxLatency %s\n", wine_dbgstr_longlong(input_info.hnsMaxLatency));
-    todo_wine
     ok(input_info.dwFlags == flags, "got dwFlags %#lx\n", input_info.dwFlags);
-    todo_wine
     ok(input_info.cbSize == 0x1000, "got cbSize %lu\n", input_info.cbSize);
-    todo_wine
     ok(input_info.cbMaxLookahead == 0, "got cbMaxLookahead %#lx\n", input_info.cbMaxLookahead);
-    todo_wine
     ok(input_info.cbAlignment == 0, "got cbAlignment %#lx\n", input_info.cbAlignment);
 
     flags = MFT_OUTPUT_STREAM_WHOLE_SAMPLES | MFT_OUTPUT_STREAM_SINGLE_SAMPLE_PER_BUFFER | MFT_OUTPUT_STREAM_FIXED_SAMPLE_SIZE;

dlls/winegstreamer/h264_decoder.c

@@ -217,8 +217,20 @@ static HRESULT WINAPI transform_GetStreamIDs(IMFTransform *iface, DWORD input_si
 
 static HRESULT WINAPI transform_GetInputStreamInfo(IMFTransform *iface, DWORD id, MFT_INPUT_STREAM_INFO *info)
 {
-    FIXME("iface %p, id %#lx, info %p stub!\n", iface, id, info);
-    return E_NOTIMPL;
+    struct h264_decoder *decoder = impl_from_IMFTransform(iface);
+
+    TRACE("iface %p, id %#lx, info %p.\n", iface, id, info);
+
+    if (!decoder->input_type)
+        return MF_E_TRANSFORM_TYPE_NOT_SET;
+
+    info->hnsMaxLatency = 0;
+    info->dwFlags = MFT_INPUT_STREAM_WHOLE_SAMPLES | MFT_INPUT_STREAM_SINGLE_SAMPLE_PER_BUFFER | MFT_INPUT_STREAM_FIXED_SAMPLE_SIZE;
+    info->cbSize = 0x1000;
+    info->cbMaxLookahead = 0;
+    info->cbAlignment = 0;
+
+    return S_OK;
 }
 
 static HRESULT WINAPI transform_GetOutputStreamInfo(IMFTransform *iface, DWORD id, MFT_OUTPUT_STREAM_INFO *info)