3 files changed, 19 insertions(+), 3 deletions(-)

M changelog.md
M module-audio/Audio/Operation/PlaybackOperation.cpp
M module-audio/Audio/decoder/decoder.hpp

@@ 4,6 4,10 @@
 
 * `[cellular]` Integration with basic flow for SIM card (cellular<>GUI)
 
+### Fixed
+
+* `[audio]` Fix playback of mono sound using headphones
+
 ## [0.48.1 2020-11-23]
 
 ### Added

@@ 90,9 90,16 @@ namespace audio
         eventCallback = callback;
         state         = State::Active;
 
-        currentProfile->SetInOutFlags(tags->num_channel == 2
-                                          ? static_cast<uint32_t>(bsp::AudioDevice::Flags::OutputStereo)
-                                          : static_cast<uint32_t>(bsp::AudioDevice::Flags::OutputMono));
+        if (tags->num_channel == channel::stereoSound) {
+            currentProfile->SetInOutFlags(static_cast<uint32_t>(bsp::AudioDevice::Flags::OutputStereo));
+        }
+        else {
+            currentProfile->SetInOutFlags(static_cast<uint32_t>(bsp::AudioDevice::Flags::OutputMono));
+            if (currentProfile->GetOutputPath() == bsp::AudioDevice::OutputPath::Headphones) {
+                currentProfile->SetOutputPath(bsp::AudioDevice::OutputPath::HeadphonesMono);
+            }
+        }
+
         currentProfile->SetSampleRate(tags->sample_rate);
 
         auto ret = audioDevice->Start(currentProfile->GetAudioFormat());

@@ 12,6 12,11 @@
 
 namespace audio
 {
+    namespace channel
+    {
+        constexpr inline auto monoSound   = 1;
+        constexpr inline auto stereoSound = 2;
+    } // namespace channel
 
     struct Tags
     {