add audio source to readme

.github/workflows/build_all.yml

@@ -145,7 +145,7 @@ jobs:
           run: cmake -E make_directory ${{runner.workspace}}/build
 
         - name: Install dependencies
-          run: brew install pkg-config libusb fftw glfw airspy airspyhf portaudio hackrf libbladerf codec2 zstd autoconf automake libtool && pip3 install mako
+          run: brew install pkg-config libusb fftw glfw airspy airspyhf portaudio hackrf libbladerf codec2 zstd autoconf automake libtool && pip3 install mako --break-system-packages
 
         - name: Install volk
           run: git clone --recursive https://github.com/gnuradio/volk && cd volk && mkdir build && cd build && cmake -DCMAKE_OSX_DEPLOYMENT_TARGET=10.15 -DCMAKE_BUILD_TYPE=Release .. && make -j3 && sudo make install && cd ../../

core/src/gui/main_window.cpp

@@ -576,20 +576,20 @@ void MainWindow::draw() {
         // Handle scrollwheel
         int wheel = ImGui::GetIO().MouseWheel;
         if (wheel != 0 && (gui::waterfall.mouseInFFT || gui::waterfall.mouseInWaterfall)) {
-            // Select factor depending on modifier keys
-            double interval;
-            if (ImGui::IsKeyDown(ImGuiKey_LeftShift)) {
-                interval = vfo->snapInterval * 10.0;
-            }
-            else if (ImGui::IsKeyDown(ImGuiKey_LeftAlt)) {
-                interval = vfo->snapInterval * 0.1;
-            }
-            else {
-                interval = vfo->snapInterval;
-            }
-
             double nfreq;
             if (vfo != NULL) {
+                // Select factor depending on modifier keys
+                double interval;
+                if (ImGui::IsKeyDown(ImGuiKey_LeftShift)) {
+                    interval = vfo->snapInterval * 10.0;
+                }
+                else if (ImGui::IsKeyDown(ImGuiKey_LeftAlt)) {
+                    interval = vfo->snapInterval * 0.1;
+                }
+                else {
+                    interval = vfo->snapInterval;
+                }
+
                 nfreq = gui::waterfall.getCenterFrequency() + vfo->generalOffset + (interval * wheel);
                 nfreq = roundl(nfreq / interval) * interval;
             }

readme.md

@@ -329,6 +329,7 @@ Modules in beta are still included in releases for the most part but not enabled
 |----------------------|------------|-------------------|--------------------------------|:---------------:|:-----------------------:|:---------------------------:|
 | airspy_source        | Working    | libairspy         | OPT_BUILD_AIRSPY_SOURCE        | ✅              | ✅                     | ✅                         |
 | airspyhf_source      | Working    | libairspyhf       | OPT_BUILD_AIRSPYHF_SOURCE      | ✅              | ✅                     | ✅                         |
+| audio_source         | Working    | rtaudio           | OPT_BUILD_AUDIO_SOURCE         | ✅              | ✅                     | ✅                         |
 | bladerf_source       | Working    | libbladeRF        | OPT_BUILD_BLADERF_SOURCE       | ⛔              | ✅ (not Debian Buster) | ✅                         |
 | file_source          | Working    | -                 | OPT_BUILD_FILE_SOURCE          | ✅              | ✅                     | ✅                         |
 | hackrf_source        | Working    | libhackrf         | OPT_BUILD_HACKRF_SOURCE        | ✅              | ✅                     | ✅                         |