early-access version 2832

README.md

@@ -1,7 +1,7 @@
 yuzu emulator early access
 =============
 
-This is the source code for early-access 2830.
+This is the source code for early-access 2832.
 
 ## Legal Notice
 

src/audio_core/renderer/command/sink/device.cpp

@@ -24,7 +24,16 @@ void DeviceSinkCommand::Process(const ADSP::CommandListProcessor& processor) {
     constexpr s32 max = std::numeric_limits<s16>::max();
 
     auto stream{processor.GetOutputSinkStream()};
-    const auto num_channels{stream->GetDeviceChannels()};
+    const auto num_out_channels{stream->GetDeviceChannels()};
+
+    auto system_channels{6U};
+    for (u32 i = 0; i < inputs.size(); i++) {
+        if (inputs[i] == 0) {
+            system_channels = i;
+            break;
+        }
+    }
+    const auto num_in_channels{std::min(system_channels, stream->GetDeviceChannels())};
 
     Sink::SinkBuffer out_buffer{
         .frames{TargetSampleCount},
@@ -33,13 +42,13 @@ void DeviceSinkCommand::Process(const ADSP::CommandListProcessor& processor) {
         .consumed{false},
     };
 
-    std::vector<s16> samples(out_buffer.frames * num_channels);
+    std::vector<s16> samples(out_buffer.frames * num_out_channels, 0);
 
-    for (u32 channel = 0; channel < num_channels; channel++) {
+    for (u32 channel = 0; channel < num_in_channels; channel++) {
         const auto offset{inputs[channel] * out_buffer.frames};
 
         for (u32 index = 0; index < out_buffer.frames; index++) {
-            samples[index * num_channels + channel] =
+            samples[index * num_out_channels + channel] =
                 static_cast<s16>(std::clamp(sample_buffer[offset + index], min, max));
         }
     }

src/audio_core/sink/cubeb_sink.cpp

@@ -499,6 +499,7 @@ CubebSink::CubebSink(std::string_view target_device_name) {
         }
     }
 
+    // TODO: Implement upmixing, not all games will provide 6 channel audio.
     cubeb_get_max_channel_count(ctx, &device_channels);
     device_channels = std::clamp(device_channels, 2U, 6U);
 }