Index: chromecast/public/cast_audio_stream_provider.h |
diff --git a/chromecast/public/cast_audio_stream_provider.h b/chromecast/public/cast_audio_stream_provider.h |
new file mode 100644 |
index 0000000000000000000000000000000000000000..2ecc872de5fb31ee063f934a14f42ed46e75e3c5 |
--- /dev/null |
+++ b/chromecast/public/cast_audio_stream_provider.h |
@@ -0,0 +1,43 @@ |
+// Copyright 2015 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 CHROMECAST_PUBLIC_CAST_AUDIO_STREAM_PROVIDER_H_ |
+#define CHROMECAST_PUBLIC_CAST_AUDIO_STREAM_PROVIDER_H_ |
+ |
+#include <string> |
+#include "cast_audio_stream.h" |
+#include "chromecast_export.h" |
+ |
+namespace chromecast { |
+ |
+// This is an interface used to provide platform-specific audio streams. |
+// Implementations of this interface should survive for the duration of the |
+// process. |
+ |
+// Note: This interface should be implemented by third parties seeking to |
+// provide an audio manager platform for Cast. CastAudioManager will call |
+// this interface. |
+ |
+class CHROMECAST_EXPORT CastAudioStreamProvider { |
lcwu1
2015/04/24 02:18:24
This name is actually a bit misleading as it seems
slan
2015/04/24 05:34:26
I like the second one. Done.
|
+ public: |
+ virtual ~CastAudioStreamProvider() {} |
+ |
+ // Returns the maximum number of output streams allowed. |
+ virtual int GetMaximumOutputStreamsAllowed() const = 0; |
+ |
+ // Returns the preferred output stream parameters. The caller may inject |
+ // |suggested| parameters, but it is left to the implementation to decide |
+ // which of these to return. |
+ virtual AudioParameters GetPreferredOutputStreamParameters( |
+ const AudioParameters& suggested) const = 0; |
+ |
+ // Creates the output stream with parameters described by |params|. Caller |
+ // does not take ownership of the returned stream. |
+ virtual AudioOutputStream* MakeOutputStream( |
+ const AudioParameters& params) = 0; |
+}; |
+ |
+} // namespace chromecast |
+ |
+#endif // CHROMECAST_PUBLIC_CAST_AUDIO_STREAM_PROVIDER_H_ |