Speex encoding/decoding.

remoting/codec/audio_decoder_speex.h

+// Copyright (c) 2012 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 REMOTING_CODEC_AUDIO_DECODER_SPEEX_H_
+#define REMOTING_CODEC_AUDIO_DECODER_SPEEX_H_
+
+#include "base/basictypes.h"
+#include "base/memory/scoped_ptr.h"
+#include "remoting/codec/audio_decoder.h"
+
+struct SpeexBits;
+
+namespace remoting {
+
+class AudioPacket;
+
+class AudioDecoderSpeex : public AudioDecoder {
+ public:
+  AudioDecoderSpeex();
+  virtual ~AudioDecoderSpeex();
+
+  // AudioDecoder implementation

[Sergey Ulanov, 2012/08/14 00:54:32]

nit: add period at the end of the comment

[kxing, 2012/08/16 13:57:54]

Done.

+  virtual scoped_ptr<AudioPacket> Decode(
+      scoped_ptr<AudioPacket> packet) OVERRIDE;
+
+ private:
+  scoped_ptr<SpeexBits> speex_bits_;
+  void* speex_state_;
+  int speex_frame_size_;
+
+  scoped_array<int16> buffer_;

[Sergey Ulanov, 2012/08/14 00:54:32]

Do we need this buffer? each input packet always contains whole speex frames, so
we don't need to buffer any data between Decode() calls.

[kxing, 2012/08/16 13:57:54]

Done.

+
+  DISALLOW_COPY_AND_ASSIGN(AudioDecoderSpeex);
+};
+
+}  // namespace remoting
+
+#endif  // REMOTING_CODEC_AUDIO_DECODER_SPEEX_H_