Rename MusicStudio => Piano

Author: juniorrantila

MusicStudio/Browser.cpp Piano/Browser.cppMusicStudio/Browser.cpp renamed to Piano/Browser.cpp

@@ -0,0 +1,74 @@
+#pragma once
+#include <Ty/Id.h>
+#include <AU/Audio.h>
+#include <Ty/Vector.h>
+#include <Ty/View.h>
+#include <SoundIo/SoundIo.h>
+
+struct TrackSlice {
+    Id<AU::Audio> audio;
+    u32 start_frame;
+    u8 relative_end_beat;
+};
+
+struct SoundSlice {
+    TrackSlice* tracks;
+    usize tracks_count;
+};
+
+struct Playlist {
+    SoundSlice* sound_slice_by_beat_slot;
+    usize sound_slice_count;
+};
+
+struct AudioCommand {
+    Id<AU::Audio> audio;
+    bool play;
+};
+
+struct FrameContext {
+    Playlist playlist;
+    Vector<AudioCommand> commands;
+};
+
+View<AudioCommand const> beat_command(FrameContext* context, usize beat);
+View<AudioCommand const> beat_command(FrameContext* context, usize beat)
+{
+    context->commands.clear();
+    auto playlist = context->playlist;
+    usize current_slot = beat & 0xFFFFFFFFFFFFFF00;
+    usize relative_beat = beat & 0xFF;
+    if (current_slot > playlist.sound_slice_count) {
+        return {};
+    }
+    auto sound_slice = playlist.sound_slice_by_beat_slot[current_slot];
+    for (usize track_index = 0; track_index < sound_slice.tracks_count; track_index++) {
+        auto track = sound_slice.tracks[track_index];
+        auto play = track.relative_end_beat < relative_beat;
+        MUST(context->commands.append({
+            .audio = track.audio,
+            .play = play,
+        }));
+    }
+    return context->commands.view();
+}
+
+void audio_scheduler(void)
+{
+    auto ctx = FrameContext();
+    auto audios = Vector<AU::Audio>();
+    usize beats = 120;
+
+    SoundIoOutStream* streams[1024];
+
+    for (usize i = 0; i < beats; i++) {
+        auto commands = beat_command(&ctx, i);
+        for (auto command : commands) {
+            auto* stream = streams[command.audio.raw()];
+            soundio_outstream_pause(stream, !command.play);
+        }
+    }
+
+    // playlist.current_frame += frames;
+    // playlist.current_beat_time += 
+}