remoting/codec/audio_encoder_speex.h

   1 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #ifndef REMOTING_CODEC_AUDIO_ENCODER_SPEEX_H_
   6 #define REMOTING_CODEC_AUDIO_ENCODER_SPEEX_H_
   7
   8 #include <list>
   9 #include "base/basictypes.h"
  10 #include "base/memory/scoped_ptr.h"
  11 #include "remoting/codec/audio_encoder.h"
  12
  13 struct SpeexBits;
  14
  15 namespace remoting {
  16
  17 class AudioPacket;
  18
  19 class AudioEncoderSpeex : public AudioEncoder {
  20  public:
  21   AudioEncoderSpeex();
  22   virtual ~AudioEncoderSpeex();
  23
  24   // AudioEncoder implementation.
  25   virtual scoped_ptr<AudioPacket> Encode(
  26       scoped_ptr<AudioPacket> packet) OVERRIDE;
  27
  28  private:
  29   scoped_ptr<SpeexBits> speex_bits_;
  30   void* speex_state_;
  31   int speex_frame_size_;
  32
  33   scoped_ptr<int16[]> leftover_buffer_;
  34   // We may have some left-over unencoded frames from the previous AudioPacket.
  35   int leftover_frames_;
  36
  37   DISALLOW_COPY_AND_ASSIGN(AudioEncoderSpeex);
  38 };
  39
  40 }  // namespace remoting
  41
  42 #endif  // REMOTING_CODEC_AUDIO_ENCODER_SPEEX_H_