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Unified Diff: content/renderer/media/webaudiosourceprovider_impl.h

Issue 495353003: Move WebMediaPlayerImpl and its dependencies to media/blink. (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master
Patch Set: . Created 6 years, 3 months ago
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Index: content/renderer/media/webaudiosourceprovider_impl.h
diff --git a/content/renderer/media/webaudiosourceprovider_impl.h b/content/renderer/media/webaudiosourceprovider_impl.h
deleted file mode 100644
index aca9d830021cb51a64b819d8573fc7cbfc297603..0000000000000000000000000000000000000000
--- a/content/renderer/media/webaudiosourceprovider_impl.h
+++ /dev/null
@@ -1,90 +0,0 @@
-// Copyright 2013 The Chromium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-#ifndef CONTENT_RENDERER_MEDIA_WEBAUDIOSOURCEPROVIDER_IMPL_H_
-#define CONTENT_RENDERER_MEDIA_WEBAUDIOSOURCEPROVIDER_IMPL_H_
-
-#include "base/callback.h"
-#include "base/memory/weak_ptr.h"
-#include "base/synchronization/lock.h"
-#include "content/common/content_export.h"
-#include "media/base/audio_renderer_sink.h"
-#include "third_party/WebKit/public/platform/WebAudioSourceProvider.h"
-#include "third_party/WebKit/public/platform/WebVector.h"
-
-namespace blink {
-class WebAudioSourceProviderClient;
-}
-
-namespace content {
-
-// WebAudioSourceProviderImpl provides a bridge between classes:
-// blink::WebAudioSourceProvider <---> media::AudioRendererSink
-//
-// WebAudioSourceProviderImpl wraps an existing audio sink that is used unless
-// WebKit has set a client via setClient(). While a client is set WebKit will
-// periodically call provideInput() to render a certain number of audio
-// sample-frames using the sink's RenderCallback to get the data.
-//
-// All calls are protected by a lock.
-class CONTENT_EXPORT WebAudioSourceProviderImpl
- : NON_EXPORTED_BASE(public blink::WebAudioSourceProvider),
- NON_EXPORTED_BASE(public media::AudioRendererSink) {
- public:
- explicit WebAudioSourceProviderImpl(
- const scoped_refptr<media::AudioRendererSink>& sink);
-
- // blink::WebAudioSourceProvider implementation.
- virtual void setClient(blink::WebAudioSourceProviderClient* client);
- virtual void provideInput(const blink::WebVector<float*>& audio_data,
- size_t number_of_frames);
-
- // media::AudioRendererSink implementation.
- virtual void Start() OVERRIDE;
- virtual void Stop() OVERRIDE;
- virtual void Play() OVERRIDE;
- virtual void Pause() OVERRIDE;
- virtual bool SetVolume(double volume) OVERRIDE;
- virtual void Initialize(const media::AudioParameters& params,
- RenderCallback* renderer) OVERRIDE;
-
- protected:
- virtual ~WebAudioSourceProviderImpl();
-
- private:
- // Calls setFormat() on |client_| from the Blink renderer thread.
- void OnSetFormat();
-
- // Closure that posts a task to call OnSetFormat() on the renderer thread.
- base::Closure set_format_cb_;
-
- // Set to true when Initialize() is called.
- int channels_;
- int sample_rate_;
- double volume_;
-
- // Tracks the current playback state.
- enum PlaybackState { kStopped, kStarted, kPlaying };
- PlaybackState state_;
-
- // Where audio comes from.
- media::AudioRendererSink::RenderCallback* renderer_;
-
- // When set via setClient() it overrides |sink_| for consuming audio.
- blink::WebAudioSourceProviderClient* client_;
-
- // Where audio ends up unless overridden by |client_|.
- base::Lock sink_lock_;
- scoped_refptr<media::AudioRendererSink> sink_;
- scoped_ptr<media::AudioBus> bus_wrapper_;
-
- // NOTE: Weak pointers must be invalidated before all other member variables.
- base::WeakPtrFactory<WebAudioSourceProviderImpl> weak_factory_;
-
- DISALLOW_IMPLICIT_CONSTRUCTORS(WebAudioSourceProviderImpl);
-};
-
-} // namespace content
-
-#endif // CONTENT_RENDERER_MEDIA_WEBAUDIOSOURCEPROVIDER_IMPL_H_
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