Merge pull request #8878 from Kelebek1/remove_pause

Remove pause callbacks from coretiming

src/audio_core/sink/cubeb_sink.cpp

@@ -129,20 +129,13 @@ public:
      *                 Default false.
      */
     void Start(bool resume = false) override {
-        if (!ctx) {
+        if (!ctx || !paused) {
             return;
         }
 
-        if (resume && was_playing) {
-            if (cubeb_stream_start(stream_backend) != CUBEB_OK) {
-                LOG_CRITICAL(Audio_Sink, "Error starting cubeb stream");
-            }
-            paused = false;
-        } else if (!resume) {
-            if (cubeb_stream_start(stream_backend) != CUBEB_OK) {
-                LOG_CRITICAL(Audio_Sink, "Error starting cubeb stream");
-            }
-            paused = false;
+        paused = false;
+        if (cubeb_stream_start(stream_backend) != CUBEB_OK) {
+            LOG_CRITICAL(Audio_Sink, "Error starting cubeb stream");
         }
     }
 
@@ -151,16 +144,15 @@ public:
      */
     void Stop() override {
         Unstall();
-        if (!ctx) {
+
+        if (!ctx || paused) {
             return;
         }
 
+        paused = true;
         if (cubeb_stream_stop(stream_backend) != CUBEB_OK) {
             LOG_CRITICAL(Audio_Sink, "Error stopping cubeb stream");
         }
-
-        was_playing.store(!paused);
-        paused = true;
     }
 
 private:
@@ -286,18 +278,6 @@ void CubebSink::CloseStreams() {
     sink_streams.clear();
 }
 
-void CubebSink::PauseStreams() {
-    for (auto& stream : sink_streams) {
-        stream->Stop();
-    }
-}
-
-void CubebSink::UnpauseStreams() {
-    for (auto& stream : sink_streams) {
-        stream->Start(true);
-    }
-}
-
 f32 CubebSink::GetDeviceVolume() const {
     if (sink_streams.empty()) {
         return 1.0f;

src/audio_core/sink/cubeb_sink.h

@@ -52,16 +52,6 @@ public:
      */
     void CloseStreams() override;
 
-    /**
-     * Pause all streams.
-     */
-    void PauseStreams() override;
-
-    /**
-     * Unpause all streams.
-     */
-    void UnpauseStreams() override;
-
     /**
      * Get the device volume. Set from calls to the IAudioDevice service.
      *

src/audio_core/sink/null_sink.h

@@ -44,8 +44,6 @@ public:
 
     void CloseStream(SinkStream*) override {}
     void CloseStreams() override {}
-    void PauseStreams() override {}
-    void UnpauseStreams() override {}
     f32 GetDeviceVolume() const override {
         return 1.0f;
     }

src/audio_core/sink/sdl2_sink.cpp

@@ -108,17 +108,12 @@ public:
      *                 Default false.
      */
     void Start(bool resume = false) override {
-        if (device == 0) {
+        if (device == 0 || !paused) {
             return;
         }
 
-        if (resume && was_playing) {
-            SDL_PauseAudioDevice(device, 0);
-            paused = false;
-        } else if (!resume) {
-            SDL_PauseAudioDevice(device, 0);
-            paused = false;
-        }
+        paused = false;
+        SDL_PauseAudioDevice(device, 0);
     }
 
     /**
@@ -126,11 +121,11 @@ public:
      */
     void Stop() override {
         Unstall();
-        if (device == 0) {
+        if (device == 0 || paused) {
             return;
         }
-        SDL_PauseAudioDevice(device, 1);
         paused = true;
+        SDL_PauseAudioDevice(device, 1);
     }
 
 private:
@@ -207,18 +202,6 @@ void SDLSink::CloseStreams() {
     sink_streams.clear();
 }
 
-void SDLSink::PauseStreams() {
-    for (auto& stream : sink_streams) {
-        stream->Stop();
-    }
-}
-
-void SDLSink::UnpauseStreams() {
-    for (auto& stream : sink_streams) {
-        stream->Start();
-    }
-}
-
 f32 SDLSink::GetDeviceVolume() const {
     if (sink_streams.empty()) {
         return 1.0f;

src/audio_core/sink/sdl2_sink.h

@@ -50,16 +50,6 @@ public:
      */
     void CloseStreams() override;
 
-    /**
-     * Pause all streams.
-     */
-    void PauseStreams() override;
-
-    /**
-     * Unpause all streams.
-     */
-    void UnpauseStreams() override;
-
     /**
      * Get the device volume. Set from calls to the IAudioDevice service.
      *

src/audio_core/sink/sink.h

@@ -39,16 +39,6 @@ public:
      */
     virtual void CloseStreams() = 0;
 
-    /**
-     * Pause all streams.
-     */
-    virtual void PauseStreams() = 0;
-
-    /**
-     * Unpause all streams.
-     */
-    virtual void UnpauseStreams() = 0;
-
     /**
      * Create a new sink stream, kept within this sink, with a pointer returned for use.
      * Do not free the returned pointer. When done with the stream, call CloseStream on the sink.

src/audio_core/sink/sink_stream.cpp

@@ -143,6 +143,12 @@ void SinkStream::ProcessAudioIn(std::span<const s16> input_buffer, std::size_t n
     const std::size_t frame_size_bytes = frame_size * sizeof(s16);
     size_t frames_written{0};
 
+    // If we're paused or going to shut down, we don't want to consume buffers as coretiming is
+    // paused and we'll desync, so just return.
+    if (system.IsPaused() || system.IsShuttingDown()) {
+        return;
+    }
+
     if (queued_buffers > max_queue_size) {
         Stall();
     }
@@ -193,6 +199,16 @@ void SinkStream::ProcessAudioOutAndRender(std::span<s16> output_buffer, std::siz
     const std::size_t frame_size_bytes = frame_size * sizeof(s16);
     size_t frames_written{0};
 
+    // If we're paused or going to shut down, we don't want to consume buffers as coretiming is
+    // paused and we'll desync, so just play silence.
+    if (system.IsPaused() || system.IsShuttingDown()) {
+        constexpr std::array<s16, 6> silence{};
+        for (size_t i = frames_written; i < num_frames; i++) {
+            std::memcpy(&output_buffer[i * frame_size], &silence[0], frame_size_bytes);
+        }
+        return;
+    }
+
     // Due to many frames being queued up with nvdec (5 frames or so?), a lot of buffers also get
     // queued up (30+) but not all at once, which causes constant stalling here, so just let the
     // video play out without attempting to stall.

src/audio_core/sink/sink_stream.h

@@ -220,8 +220,6 @@ protected:
     u32 device_channels{2};
     /// Is this stream currently paused?
     std::atomic<bool> paused{true};
-    /// Was this stream previously playing?
-    std::atomic<bool> was_playing{false};
     /// Name of this stream
     std::string name{};