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| 1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | 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 | 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
| 4 | 4 |
| 5 #include "remoting/codec/audio_decoder_speex.h" | 5 #include "remoting/codec/audio_decoder_speex.h" |
| 6 | 6 |
| 7 #include <string> | 7 #include <string> |
| 8 | 8 |
| 9 #include "base/basictypes.h" | 9 #include "base/basictypes.h" |
| 10 #include "base/memory/scoped_ptr.h" | 10 #include "base/memory/scoped_ptr.h" |
| 11 #include "base/logging.h" | 11 #include "base/logging.h" |
| 12 #include "base/stl_util.h" | 12 #include "base/stl_util.h" |
| 13 #include "remoting/proto/audio.pb.h" | 13 #include "remoting/proto/audio.pb.h" |
| 14 #include "third_party/speex/speex.h" | 14 #include "third_party/speex/include/speex/speex_callbacks.h" |
| 15 #include "third_party/speex/include/speex/speex_stereo.h" |
| 15 | 16 |
| 16 namespace remoting { | 17 namespace remoting { |
| 17 | 18 |
| 18 namespace { | 19 namespace { |
| 19 | 20 |
| 20 // Hosts will never generate more than 100 frames in a single packet. | 21 // Hosts will never generate more than 100 frames in a single packet. |
| 21 const int kMaxFramesPerPacket = 100; | 22 const int kMaxFramesPerPacket = 100; |
| 22 | 23 |
| 23 } // namespace | 24 } // namespace |
| 24 | 25 |
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| 109 // Transform mono to stereo. | 110 // Transform mono to stereo. |
| 110 speex_decode_stereo_int(samples, speex_frame_size_, speex_stereo_state_); | 111 speex_decode_stereo_int(samples, speex_frame_size_, speex_stereo_state_); |
| 111 | 112 |
| 112 samples += (speex_frame_size_ * packet->channels()); | 113 samples += (speex_frame_size_ * packet->channels()); |
| 113 } | 114 } |
| 114 | 115 |
| 115 return decoded_packet.Pass(); | 116 return decoded_packet.Pass(); |
| 116 } | 117 } |
| 117 | 118 |
| 118 } // namespace remoting | 119 } // namespace remoting |
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