9 files changed, 89 insertions, 58 deletions

diff --git a/src/android/app/src/main/AndroidManifest.xml b/src/android/app/src/main/AndroidManifest.xml
index 36e2dac98..933244140 100644
--- a/src/android/app/src/main/AndroidManifest.xml
+++ b/src/android/app/src/main/AndroidManifest.xml
@@ -56,7 +56,6 @@ SPDX-License-Identifier: GPL-3.0-or-later
             android:name="org.yuzu.yuzu_emu.activities.EmulationActivity"
             android:theme="@style/Theme.Yuzu.Main"
             android:launchMode="singleTop"
-            android:screenOrientation="userLandscape"
             android:supportsPictureInPicture="true"
             android:configChanges="orientation|screenSize|smallestScreenSize|screenLayout|uiMode"
             android:exported="true">
diff --git a/src/android/app/src/main/java/org/yuzu/yuzu_emu/features/settings/ui/SettingsActivity.kt b/src/android/app/src/main/java/org/yuzu/yuzu_emu/features/settings/ui/SettingsActivity.kt
index a5af5a7ae..e6fffc832 100644
--- a/src/android/app/src/main/java/org/yuzu/yuzu_emu/features/settings/ui/SettingsActivity.kt
+++ b/src/android/app/src/main/java/org/yuzu/yuzu_emu/features/settings/ui/SettingsActivity.kt
@@ -11,7 +11,6 @@ import android.view.View
 import android.view.ViewGroup.MarginLayoutParams
 import android.widget.Toast
 import androidx.activity.OnBackPressedCallback
-import androidx.activity.result.ActivityResultLauncher
 import androidx.activity.viewModels
 import androidx.appcompat.app.AppCompatActivity
 import androidx.core.view.ViewCompat
@@ -246,17 +245,5 @@ class SettingsActivity : AppCompatActivity(), SettingsActivityView {
             settings.putExtra(ARG_GAME_ID, gameId)
             context.startActivity(settings)
         }
-
-        fun launch(
-            context: Context,
-            launcher: ActivityResultLauncher<Intent>,
-            menuTag: String?,
-            gameId: String?
-        ) {
-            val settings = Intent(context, SettingsActivity::class.java)
-            settings.putExtra(ARG_MENU_TAG, menuTag)
-            settings.putExtra(ARG_GAME_ID, gameId)
-            launcher.launch(settings)
-        }
     }
 }
diff --git a/src/android/app/src/main/java/org/yuzu/yuzu_emu/fragments/EmulationFragment.kt b/src/android/app/src/main/java/org/yuzu/yuzu_emu/fragments/EmulationFragment.kt
index 25b9d4018..09e93a017 100644
--- a/src/android/app/src/main/java/org/yuzu/yuzu_emu/fragments/EmulationFragment.kt
+++ b/src/android/app/src/main/java/org/yuzu/yuzu_emu/fragments/EmulationFragment.kt
@@ -7,7 +7,6 @@ import android.annotation.SuppressLint
 import android.app.AlertDialog
 import android.content.Context
 import android.content.DialogInterface
-import android.content.Intent
 import android.content.SharedPreferences
 import android.content.pm.ActivityInfo
 import android.content.res.Configuration
@@ -19,8 +18,6 @@ import android.util.Rational
 import android.view.*
 import android.widget.TextView
 import androidx.activity.OnBackPressedCallback
-import androidx.activity.result.ActivityResultLauncher
-import androidx.activity.result.contract.ActivityResultContracts
 import androidx.appcompat.widget.PopupMenu
 import androidx.core.content.res.ResourcesCompat
 import androidx.core.graphics.Insets
@@ -66,8 +63,6 @@ class EmulationFragment : Fragment(), SurfaceHolder.Callback {
 
     private var isInFoldableLayout = false
 
-    private lateinit var onReturnFromSettings: ActivityResultLauncher<Intent>
-
     override fun onAttach(context: Context) {
         super.onAttach(context)
         if (context is EmulationActivity) {
@@ -81,11 +76,6 @@ class EmulationFragment : Fragment(), SurfaceHolder.Callback {
                         .collect { updateFoldableLayout(context, it) }
                 }
             }
-
-            onReturnFromSettings = context.activityResultRegistry.register(
-                "SettingsResult",
-                ActivityResultContracts.StartActivityForResult()
-            ) { updateScreenLayout() }
         } else {
             throw IllegalStateException("EmulationFragment must have EmulationActivity parent")
         }
@@ -149,12 +139,7 @@ class EmulationFragment : Fragment(), SurfaceHolder.Callback {
                 }
 
                 R.id.menu_settings -> {
-                    SettingsActivity.launch(
-                        requireContext(),
-                        onReturnFromSettings,
-                        SettingsFile.FILE_NAME_CONFIG,
-                        ""
-                    )
+                    SettingsActivity.launch(requireContext(), SettingsFile.FILE_NAME_CONFIG, "")
                     true
                 }
 
diff --git a/src/android/app/src/main/java/org/yuzu/yuzu_emu/views/FixedRatioSurfaceView.kt b/src/android/app/src/main/java/org/yuzu/yuzu_emu/views/FixedRatioSurfaceView.kt
index 685ccaa76..2f0868c63 100644
--- a/src/android/app/src/main/java/org/yuzu/yuzu_emu/views/FixedRatioSurfaceView.kt
+++ b/src/android/app/src/main/java/org/yuzu/yuzu_emu/views/FixedRatioSurfaceView.kt
@@ -7,7 +7,6 @@ import android.content.Context
 import android.util.AttributeSet
 import android.util.Rational
 import android.view.SurfaceView
-import kotlin.math.roundToInt
 
 class FixedRatioSurfaceView @JvmOverloads constructor(
     context: Context,
@@ -22,27 +21,44 @@ class FixedRatioSurfaceView @JvmOverloads constructor(
      */
     fun setAspectRatio(ratio: Rational?) {
         aspectRatio = ratio?.toFloat() ?: 0f
+        requestLayout()
     }
 
     override fun onMeasure(widthMeasureSpec: Int, heightMeasureSpec: Int) {
-        super.onMeasure(widthMeasureSpec, heightMeasureSpec)
-        val width = MeasureSpec.getSize(widthMeasureSpec)
-        val height = MeasureSpec.getSize(heightMeasureSpec)
+        val displayWidth: Float = MeasureSpec.getSize(widthMeasureSpec).toFloat()
+        val displayHeight: Float = MeasureSpec.getSize(heightMeasureSpec).toFloat()
         if (aspectRatio != 0f) {
-            val newWidth: Int
-            val newHeight: Int
-            if (height * aspectRatio < width) {
-                newWidth = (height * aspectRatio).roundToInt()
-                newHeight = height
+            val displayAspect = displayWidth / displayHeight
+            if (displayAspect < aspectRatio) {
+                // Max out width
+                val halfHeight = displayHeight / 2
+                val surfaceHeight = displayWidth / aspectRatio
+                val newTop: Float = halfHeight - (surfaceHeight / 2)
+                val newBottom: Float = halfHeight + (surfaceHeight / 2)
+                super.onMeasure(
+                    widthMeasureSpec,
+                    MeasureSpec.makeMeasureSpec(
+                        newBottom.toInt() - newTop.toInt(),
+                        MeasureSpec.EXACTLY
+                    )
+                )
+                return
             } else {
-                newWidth = width
-                newHeight = (width / aspectRatio).roundToInt()
+                // Max out height
+                val halfWidth = displayWidth / 2
+                val surfaceWidth = displayHeight * aspectRatio
+                val newLeft: Float = halfWidth - (surfaceWidth / 2)
+                val newRight: Float = halfWidth + (surfaceWidth / 2)
+                super.onMeasure(
+                    MeasureSpec.makeMeasureSpec(
+                        newRight.toInt() - newLeft.toInt(),
+                        MeasureSpec.EXACTLY
+                    ),
+                    heightMeasureSpec
+                )
+                return
             }
-            val left = (width - newWidth) / 2
-            val top = (height - newHeight) / 2
-            setLeftTopRightBottom(left, top, left + newWidth, top + newHeight)
-        } else {
-            setLeftTopRightBottom(0, 0, width, height)
         }
+        super.onMeasure(widthMeasureSpec, heightMeasureSpec)
     }
 }
diff --git a/src/audio_core/sink/cubeb_sink.cpp b/src/audio_core/sink/cubeb_sink.cpp
index 04d98a865..bbb598bc5 100644
--- a/src/audio_core/sink/cubeb_sink.cpp
+++ b/src/audio_core/sink/cubeb_sink.cpp
@@ -364,7 +364,7 @@ bool IsCubebSuitable() {
     }
 #endif
 
-    // Test min latency
+    // Get min latency
     cubeb_stream_params params{};
     params.rate = TargetSampleRate;
     params.channels = 2;
@@ -380,11 +380,6 @@ bool IsCubebSuitable() {
     }
     latency = std::max(latency, TargetSampleCount * 2);
 
-    if (latency > TargetSampleCount * 3) {
-        LOG_ERROR(Audio_Sink, "Cubeb latency is too high, it is not suitable.");
-        return false;
-    }
-
     // Test opening a device with standard parameters
     cubeb_devid output_device{0};
     cubeb_devid input_device{0};
diff --git a/src/audio_core/sink/sink_details.cpp b/src/audio_core/sink/sink_details.cpp
index 6bec8ee7c..7c9a4e3ac 100644
--- a/src/audio_core/sink/sink_details.cpp
+++ b/src/audio_core/sink/sink_details.cpp
@@ -83,8 +83,8 @@ const SinkDetails& GetOutputSinkDetails(Settings::AudioEngine sink_id) {
                 break;
             }
         }
-        LOG_ERROR(Service_Audio, "Auto-selecting the {} backend",
-                  Settings::CanonicalizeEnum(iter->id));
+        LOG_INFO(Service_Audio, "Auto-selecting the {} backend",
+                 Settings::CanonicalizeEnum(iter->id));
     } else {
         if (iter != std::end(sink_details) && !iter->is_suitable()) {
             LOG_ERROR(Service_Audio, "Selected backend {} is not suitable, falling back to null",
diff --git a/src/core/hle/service/audio/hwopus.cpp b/src/core/hle/service/audio/hwopus.cpp
index fa77007f3..4a8276ed1 100644
--- a/src/core/hle/service/audio/hwopus.cpp
+++ b/src/core/hle/service/audio/hwopus.cpp
@@ -174,7 +174,7 @@ public:
             {6, &IHardwareOpusDecoderManager::DecodeInterleaved, "DecodeInterleavedWithPerfAndResetOld"},
             {7, nullptr, "DecodeInterleavedForMultiStreamWithPerfAndResetOld"},
             {8, &IHardwareOpusDecoderManager::DecodeInterleaved, "DecodeInterleaved"},
-            {9, nullptr, "DecodeInterleavedForMultiStream"},
+            {9, &IHardwareOpusDecoderManager::DecodeInterleavedForMultiStream, "DecodeInterleavedForMultiStream"},
         };
         // clang-format on
 
@@ -206,6 +206,16 @@ private:
         decoder_state.DecodeInterleaved(ctx, OpusDecoderState::PerfTime::Enabled, extra_behavior);
     }
 
+    void DecodeInterleavedForMultiStream(HLERequestContext& ctx) {
+        LOG_DEBUG(Audio, "called");
+
+        IPC::RequestParser rp{ctx};
+        const auto extra_behavior = rp.Pop<bool>() ? OpusDecoderState::ExtraBehavior::ResetContext
+                                                   : OpusDecoderState::ExtraBehavior::None;
+
+        decoder_state.DecodeInterleaved(ctx, OpusDecoderState::PerfTime::Enabled, extra_behavior);
+    }
+
     OpusDecoderState decoder_state;
 };
 
@@ -354,6 +364,40 @@ void HwOpus::OpenHardwareOpusDecoderEx(HLERequestContext& ctx) {
         system, OpusDecoderState{std::move(decoder), sample_rate, channel_count});
 }
 
+void HwOpus::OpenHardwareOpusDecoderForMultiStreamEx(HLERequestContext& ctx) {
+    OpusMultiStreamParametersEx params;
+    std::memcpy(&params, ctx.ReadBuffer().data(), ctx.GetReadBufferSize());
+
+    const auto& sample_rate = params.sample_rate;
+    const auto& channel_count = params.channel_count;
+
+    LOG_INFO(
+        Audio,
+        "called with sample_rate={}, channel_count={}, number_streams={}, number_stereo_streams={}",
+        sample_rate, channel_count, params.number_streams, params.number_stereo_streams);
+
+    ASSERT_MSG(sample_rate == 48000 || sample_rate == 24000 || sample_rate == 16000 ||
+                   sample_rate == 12000 || sample_rate == 8000,
+               "Invalid sample rate");
+
+    int error = 0;
+    OpusDecoderPtr decoder{opus_multistream_decoder_create(
+        sample_rate, static_cast<int>(channel_count), params.number_streams,
+        params.number_stereo_streams, params.channel_mappings.data(), &error)};
+    if (error != OPUS_OK || decoder == nullptr) {
+        LOG_ERROR(Audio, "Failed to create Opus decoder (error={}).", error);
+        IPC::ResponseBuilder rb{ctx, 2};
+        // TODO(ogniK): Use correct error code
+        rb.Push(ResultUnknown);
+        return;
+    }
+
+    IPC::ResponseBuilder rb{ctx, 2, 0, 1};
+    rb.Push(ResultSuccess);
+    rb.PushIpcInterface<IHardwareOpusDecoderManager>(
+        system, OpusDecoderState{std::move(decoder), sample_rate, channel_count});
+}
+
 HwOpus::HwOpus(Core::System& system_) : ServiceFramework{system_, "hwopus"} {
     static const FunctionInfo functions[] = {
         {0, &HwOpus::OpenHardwareOpusDecoder, "OpenHardwareOpusDecoder"},
@@ -362,7 +406,8 @@ HwOpus::HwOpus(Core::System& system_) : ServiceFramework{system_, "hwopus"} {
         {3, nullptr, "GetWorkBufferSizeForMultiStream"},
         {4, &HwOpus::OpenHardwareOpusDecoderEx, "OpenHardwareOpusDecoderEx"},
         {5, &HwOpus::GetWorkBufferSizeEx, "GetWorkBufferSizeEx"},
-        {6, nullptr, "OpenHardwareOpusDecoderForMultiStreamEx"},
+        {6, &HwOpus::OpenHardwareOpusDecoderForMultiStreamEx,
+         "OpenHardwareOpusDecoderForMultiStreamEx"},
         {7, &HwOpus::GetWorkBufferSizeForMultiStreamEx, "GetWorkBufferSizeForMultiStreamEx"},
         {8, nullptr, "GetWorkBufferSizeExEx"},
         {9, nullptr, "GetWorkBufferSizeForMultiStreamExEx"},
diff --git a/src/core/hle/service/audio/hwopus.h b/src/core/hle/service/audio/hwopus.h
index ece65c02c..91d9998ac 100644
--- a/src/core/hle/service/audio/hwopus.h
+++ b/src/core/hle/service/audio/hwopus.h
@@ -18,8 +18,10 @@ struct OpusMultiStreamParametersEx {
     u32 number_stereo_streams;
     u32 use_large_frame_size;
     u32 padding;
-    std::array<u32, 64> channel_mappings;
+    std::array<u8, 0x100> channel_mappings;
 };
+static_assert(sizeof(OpusMultiStreamParametersEx) == 0x118,
+              "OpusMultiStreamParametersEx has incorrect size");
 
 class HwOpus final : public ServiceFramework<HwOpus> {
 public:
@@ -29,6 +31,7 @@ public:
 private:
     void OpenHardwareOpusDecoder(HLERequestContext& ctx);
     void OpenHardwareOpusDecoderEx(HLERequestContext& ctx);
+    void OpenHardwareOpusDecoderForMultiStreamEx(HLERequestContext& ctx);
     void GetWorkBufferSize(HLERequestContext& ctx);
     void GetWorkBufferSizeEx(HLERequestContext& ctx);
     void GetWorkBufferSizeForMultiStreamEx(HLERequestContext& ctx);
diff --git a/src/video_core/host1x/codecs/codec.cpp b/src/video_core/host1x/codecs/codec.cpp
index 220cce28a..8d7da50fc 100644
--- a/src/video_core/host1x/codecs/codec.cpp
+++ b/src/video_core/host1x/codecs/codec.cpp
@@ -319,6 +319,7 @@ void Codec::Decode() {
         LOG_WARNING(Service_NVDRV, "Zero width or height in frame");
         return;
     }
+    bool is_interlaced = initial_frame->interlaced_frame != 0;
     if (av_codec_ctx->hw_device_ctx) {
         final_frame = AVFramePtr{av_frame_alloc(), AVFrameDeleter};
         ASSERT_MSG(final_frame, "av_frame_alloc final_frame failed");
@@ -334,7 +335,7 @@ void Codec::Decode() {
         UNIMPLEMENTED_MSG("Unexpected video format: {}", final_frame->format);
         return;
     }
-    if (!final_frame->interlaced_frame) {
+    if (!is_interlaced) {
         av_frames.push(std::move(final_frame));
     } else {
         if (!filters_initialized) {