dshow: add properties dialog for tv tuners

Signed-off-by: rogerdpack <rogerpack2005@gmail.com>

doc/indevs.texi

@@ -253,6 +253,16 @@ If set to @option{true}, before capture starts, popup a display
 dialog to the end user, allowing them to manually
 modify crossbar pin routings.
 
+@item show_analog_tv_tuner_dialog
+If set to @option{true}, before capture starts, popup a display
+dialog to the end user, allowing them to manually
+modify TV channels and frequencies.
+
+@item show_analog_tv_tuner_audio_dialog
+If set to @option{true}, before capture starts, popup a display
+dialog to the end user, allowing them to manually
+modify TV audio (like mono vs. stereo, Language A,B or C).
+
 @end table
 
 @subsection Examples

libavdevice/dshow.c

@@ -1202,6 +1202,12 @@ static const AVOption options[] = {
     { "show_crossbar_connection_dialog", "display property dialog for crossbar connecting pins filter", OFFSET(show_crossbar_connection_dialog), AV_OPT_TYPE_INT, {.i64 = 0}, 0, 1, DEC, "show_crossbar_connection_dialog" },
     { "true", "", 0, AV_OPT_TYPE_CONST, {.i64=1}, 0, 0, DEC, "show_crossbar_connection_dialog" },
     { "false", "", 0, AV_OPT_TYPE_CONST, {.i64=0}, 0, 0, DEC, "show_crossbar_connection_dialog" },
+    { "show_analog_tv_tuner_dialog", "display property dialog for analog tuner filter", OFFSET(show_analog_tv_tuner_dialog), AV_OPT_TYPE_INT, {.i64 = 0}, 0, 1, DEC, "show_analog_tv_tuner_dialog" },
+    { "true", "", 0, AV_OPT_TYPE_CONST, {.i64=1}, 0, 0, DEC, "show_analog_tv_tuner_dialog" },
+    { "false", "", 0, AV_OPT_TYPE_CONST, {.i64=0}, 0, 0, DEC, "show_analog_tv_tuner_dialog" },
+    { "show_analog_tv_tuner_audio_dialog", "display property dialog for analog tuner audio filter", OFFSET(show_analog_tv_tuner_audio_dialog), AV_OPT_TYPE_INT, {.i64 = 0}, 0, 1, DEC, "show_analog_tv_tuner_dialog" },
+    { "true", "", 0, AV_OPT_TYPE_CONST, {.i64=1}, 0, 0, DEC, "show_analog_tv_tuner_audio_dialog" },
+    { "false", "", 0, AV_OPT_TYPE_CONST, {.i64=0}, 0, 0, DEC, "show_analog_tv_tuner_audio_dialog" },
     { NULL },
 };
 

libavdevice/dshow_capture.h

@@ -304,6 +304,8 @@ struct dshow_ctx {
     int   show_video_device_dialog;
     int   show_audio_device_dialog;
     int   show_crossbar_connection_dialog;
+    int   show_analog_tv_tuner_dialog;
+    int   show_analog_tv_tuner_audio_dialog;
 
     IBaseFilter *device_filter[2];
     IPin        *device_pin[2];

libavdevice/dshow_crossbar.c

@@ -142,23 +142,54 @@ dshow_try_setup_crossbar_options(ICaptureGraphBuilder2 *graph_builder2,
 {
     struct dshow_ctx *ctx = avctx->priv_data;
     IAMCrossbar *cross_bar = NULL;
-    IBaseFilter *cross_bar_filter = NULL;
+    IBaseFilter *cross_bar_base_filter = NULL;
+    IAMTVTuner *tv_tuner_filter = NULL;
+    IBaseFilter *tv_tuner_base_filter = NULL;
+    IAMAudioInputMixer *tv_audio_filter = NULL;
+    IBaseFilter *tv_audio_base_filter = NULL;
     HRESULT hr;
 
     hr = ICaptureGraphBuilder2_FindInterface(graph_builder2, &LOOK_UPSTREAM_ONLY, (const GUID *) NULL,
-            (IBaseFilter *) device_filter, &IID_IAMCrossbar, (void**) &cross_bar);
+            device_filter, &IID_IAMCrossbar, (void**) &cross_bar);
     if (hr != S_OK) {
         /* no crossbar found */
         hr = S_OK;
         goto end;
     }
+    /* TODO some TV tuners apparently have multiple crossbars? */
 
     if (ctx->show_crossbar_connection_dialog) {
-        hr = IAMCrossbar_QueryInterface(cross_bar, &IID_IBaseFilter, (void **) &cross_bar_filter);
+        hr = IAMCrossbar_QueryInterface(cross_bar, &IID_IBaseFilter, (void **) &cross_bar_base_filter);
         if (hr != S_OK)
             goto end;
-        dshow_show_filter_properties(cross_bar_filter, avctx);
+        dshow_show_filter_properties(cross_bar_base_filter, avctx);
     }
+
+    if (devtype == VideoDevice && ctx->show_analog_tv_tuner_dialog) {
+        hr = ICaptureGraphBuilder2_FindInterface(graph_builder2, &LOOK_UPSTREAM_ONLY, NULL, 
+             device_filter, &IID_IAMTVTuner, (void**) &tv_tuner_filter);
+        if (hr == S_OK) {
+            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);
+        } else {
+            av_log(avctx, AV_LOG_WARNING, "unable to find a tv tuner to display dialog for!");
+        }
+    }
+    if (devtype == AudioDevice && ctx->show_analog_tv_tuner_audio_dialog) {
+        hr = ICaptureGraphBuilder2_FindInterface(graph_builder2, &LOOK_UPSTREAM_ONLY, NULL, 
+             device_filter, &IID_IAMTVAudio, (void**) &tv_audio_filter);
+        if (hr == S_OK) {
+            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);
+        } else {
+            av_log(avctx, AV_LOG_WARNING, "unable to find a tv audio tuner to display dialog for!");
+        }
+    }
+
     hr = setup_crossbar_options(cross_bar, devtype, avctx);
     if (hr != S_OK)
         goto end;
@@ -166,7 +197,11 @@ dshow_try_setup_crossbar_options(ICaptureGraphBuilder2 *graph_builder2,
 end:
     if (cross_bar)
         IAMCrossbar_Release(cross_bar);
-    if (cross_bar_filter)
-        IBaseFilter_Release(cross_bar_filter);
+    if (cross_bar_base_filter)
+        IBaseFilter_Release(cross_bar_base_filter);
+    if (tv_tuner_filter)
+        IAMTVTuner_Release(tv_tuner_filter);
+    if (tv_tuner_base_filter)
+        IBaseFilter_Release(tv_tuner_base_filter);
     return hr;
 }