diff --git a/libavdevice/dshow.c b/libavdevice/dshow.c
index d7f5bd7069..1b9e5be399 100644
--- a/libavdevice/dshow.c
+++ b/libavdevice/dshow.c
@@ -510,7 +510,7 @@ end:
  * Pops up a user dialog allowing them to adjust properties for the given filter, if possible.
  */
 void
-dshow_show_filter_properties(IBaseFilter *device_filter, AVFormatContext *avctx) {
+ff_dshow_show_filter_properties(IBaseFilter *device_filter, AVFormatContext *avctx) {
     ISpecifyPropertyPages *property_pages = NULL;
     IUnknown *device_filter_iunknown = NULL;
     HRESULT hr;
@@ -582,7 +582,7 @@ dshow_cycle_pins(AVFormatContext *avctx, enum dshowDeviceType devtype,
     int should_show_properties = (devtype == VideoDevice) ? ctx->show_video_device_dialog : ctx->show_audio_device_dialog;
 
     if (should_show_properties)
-        dshow_show_filter_properties(device_filter, avctx);
+        ff_dshow_show_filter_properties(device_filter, avctx);
 
     r = IBaseFilter_EnumPins(device_filter, &pins);
     if (r != S_OK) {
@@ -887,7 +887,7 @@ dshow_open_device(AVFormatContext *avctx, ICreateDevEnum *devenum,
         goto error;
     }
 
-    r = dshow_try_setup_crossbar_options(graph_builder2, device_filter, devtype, avctx);
+    r = ff_dshow_try_setup_crossbar_options(graph_builder2, device_filter, devtype, avctx);
 
     if (r != S_OK) {
         av_log(avctx, AV_LOG_ERROR, "Could not setup CrossBar\n");
diff --git a/libavdevice/dshow_capture.h b/libavdevice/dshow_capture.h
index 475d62ba99..79c004a87f 100644
--- a/libavdevice/dshow_capture.h
+++ b/libavdevice/dshow_capture.h
@@ -346,9 +346,9 @@ struct dshow_ctx {
 /*****************************************************************************
  * CrossBar
  ****************************************************************************/
-HRESULT dshow_try_setup_crossbar_options(ICaptureGraphBuilder2 *graph_builder2,
+HRESULT ff_dshow_try_setup_crossbar_options(ICaptureGraphBuilder2 *graph_builder2,
     IBaseFilter *device_filter, enum dshowDeviceType devtype, AVFormatContext *avctx);
 
-void dshow_show_filter_properties(IBaseFilter *pFilter, AVFormatContext *avctx);
+void ff_dshow_show_filter_properties(IBaseFilter *pFilter, AVFormatContext *avctx);
 
 #endif /* AVDEVICE_DSHOW_CAPTURE_H */
diff --git a/libavdevice/dshow_crossbar.c b/libavdevice/dshow_crossbar.c
index 95fb466f4e..2438683cde 100644
--- a/libavdevice/dshow_crossbar.c
+++ b/libavdevice/dshow_crossbar.c
@@ -137,7 +137,7 @@ setup_crossbar_options(IAMCrossbar *cross_bar, enum dshowDeviceType devtype, AVF
  * Given a fully constructed graph, check if there is a cross bar filter, and configure its pins if so.
  */
 HRESULT
-dshow_try_setup_crossbar_options(ICaptureGraphBuilder2 *graph_builder2,
+ff_dshow_try_setup_crossbar_options(ICaptureGraphBuilder2 *graph_builder2,
     IBaseFilter *device_filter, enum dshowDeviceType devtype, AVFormatContext *avctx)
 {
     struct dshow_ctx *ctx = avctx->priv_data;
@@ -163,7 +163,7 @@ dshow_try_setup_crossbar_options(ICaptureGraphBuilder2 *graph_builder2,
         hr = IAMCrossbar_QueryInterface(cross_bar, &IID_IBaseFilter, (void **) &cross_bar_base_filter);
         if (hr != S_OK)
             goto end;
-        dshow_show_filter_properties(cross_bar_base_filter, avctx);
+        ff_dshow_show_filter_properties(cross_bar_base_filter, avctx);
     }
 
     if (devtype == VideoDevice && ctx->show_analog_tv_tuner_dialog) {
@@ -173,7 +173,7 @@ dshow_try_setup_crossbar_options(ICaptureGraphBuilder2 *graph_builder2,
             hr = IAMCrossbar_QueryInterface(tv_tuner_filter, &IID_IBaseFilter, (void **) &tv_tuner_base_filter);
             if (hr != S_OK)
                 goto end;
-            dshow_show_filter_properties(tv_tuner_base_filter, avctx);
+            ff_dshow_show_filter_properties(tv_tuner_base_filter, avctx);
         } else {
             av_log(avctx, AV_LOG_WARNING, "unable to find a tv tuner to display dialog for!");
         }
@@ -185,7 +185,7 @@ dshow_try_setup_crossbar_options(ICaptureGraphBuilder2 *graph_builder2,
             hr = IAMCrossbar_QueryInterface(tv_audio_filter, &IID_IBaseFilter, (void **) &tv_audio_base_filter);
             if (hr != S_OK)
                 goto end;
-            dshow_show_filter_properties(tv_audio_base_filter, avctx);
+            ff_dshow_show_filter_properties(tv_audio_base_filter, avctx);
         } else {
             av_log(avctx, AV_LOG_WARNING, "unable to find a tv audio tuner to display dialog for!");
         }