Everywhere: Hoist the Libraries folder to the top-level

Author: https://github.com/trflynn89
Commit: 93712b24bf
Pull-request: https://github.com/LadybirdBrowser/ladybird/pull/2256
Reviewed-by: https://github.com/sideshowbarker

Libraries/LibMedia/Audio/PlaybackStream.cpp

@@ -0,0 +1,38 @@
+/*
+ * Copyright (c) 2023, Gregory Bertilson <zaggy1024@gmail.com>
+ *
+ * SPDX-License-Identifier: BSD-2-Clause
+ */
+
+#include "PlaybackStream.h"
+
+#include <AK/Platform.h>
+#include <LibCore/ThreadedPromise.h>
+
+#if defined(HAVE_PULSEAUDIO)
+#    include "PlaybackStreamPulseAudio.h"
+#elif defined(AK_OS_MACOS)
+#    include "PlaybackStreamAudioUnit.h"
+#elif defined(AK_OS_ANDROID)
+#    include "PlaybackStreamOboe.h"
+#endif
+
+namespace Audio {
+
+ErrorOr<NonnullRefPtr<PlaybackStream>> PlaybackStream::create(OutputState initial_output_state, u32 sample_rate, u8 channels, u32 target_latency_ms, AudioDataRequestCallback&& data_request_callback)
+{
+    VERIFY(data_request_callback);
+    // Create the platform-specific implementation for this stream.
+#if defined(HAVE_PULSEAUDIO)
+    return PlaybackStreamPulseAudio::create(initial_output_state, sample_rate, channels, target_latency_ms, move(data_request_callback));
+#elif defined(AK_OS_MACOS)
+    return PlaybackStreamAudioUnit::create(initial_output_state, sample_rate, channels, target_latency_ms, move(data_request_callback));
+#elif defined(AK_OS_ANDROID)
+    return PlaybackStreamOboe::create(initial_output_state, sample_rate, channels, target_latency_ms, move(data_request_callback));
+#else
+    (void)initial_output_state, (void)sample_rate, (void)channels, (void)target_latency_ms;
+    return Error::from_string_literal("Audio output is not available for this platform");
+#endif
+}
+
+}