| OLD | NEW |
| 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_opus.h" | 5 #include "remoting/codec/audio_decoder_opus.h" |
| 6 | 6 |
| 7 #include "base/logging.h" | 7 #include "base/logging.h" |
| 8 #include "base/stl_util.h" | 8 #include "base/stl_util.h" |
| 9 #include "base/time/time.h" | 9 #include "base/time/time.h" |
| 10 #include "remoting/proto/audio.pb.h" | 10 #include "remoting/proto/audio.pb.h" |
| 11 #include "third_party/opus/src/include/opus.h" | 11 #include "third_party/opus/src/include/opus.h" |
| 12 | 12 |
| 13 namespace remoting { | 13 namespace remoting { |
| 14 | 14 |
| 15 namespace { | 15 namespace { |
| 16 | 16 |
| 17 // Maximum size of an Opus frame in milliseconds. | 17 // Maximum size of an Opus frame in milliseconds. |
| 18 const int kMaxFrameSizeMs = 120; | 18 const int kMaxFrameSizeMs = 120; |
| 19 | 19 |
| 20 // Hosts will never generate more than 100 frames in a single packet. | 20 // Hosts will never generate more than 100 frames in a single packet. |
| 21 const int kMaxFramesPerPacket = 100; | 21 const int kMaxFramesPerPacket = 100; |
| 22 | 22 |
| 23 const AudioPacket::SamplingRate kSamplingRate = | 23 const AudioPacket::SamplingRate kSamplingRate = |
| 24 AudioPacket::SAMPLING_RATE_48000; | 24 AudioPacket::SAMPLING_RATE_48000; |
| 25 | 25 |
| 26 } // namespace | 26 } // namespace |
| 27 | 27 |
| 28 AudioDecoderOpus::AudioDecoderOpus() | 28 AudioDecoderOpus::AudioDecoderOpus() |
| 29 : sampling_rate_(0), | 29 : sampling_rate_(0), channels_(0), decoder_(nullptr) {} |
| 30 channels_(0), | |
| 31 decoder_(nullptr) { | |
| 32 } | |
| 33 | 30 |
| 34 AudioDecoderOpus::~AudioDecoderOpus() { | 31 AudioDecoderOpus::~AudioDecoderOpus() { |
| 35 DestroyDecoder(); | 32 DestroyDecoder(); |
| 36 } | 33 } |
| 37 | 34 |
| 38 void AudioDecoderOpus::InitDecoder() { | 35 void AudioDecoderOpus::InitDecoder() { |
| 39 DCHECK(!decoder_); | 36 DCHECK(!decoder_); |
| 40 int error; | 37 int error; |
| 41 decoder_ = opus_decoder_create(kSamplingRate, channels_, &error); | 38 decoder_ = opus_decoder_create(kSamplingRate, channels_, &error); |
| 42 if (!decoder_) { | 39 if (!decoder_) { |
| (...skipping 88 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
| 131 if (!buffer_pos) { | 128 if (!buffer_pos) { |
| 132 return nullptr; | 129 return nullptr; |
| 133 } | 130 } |
| 134 | 131 |
| 135 decoded_data->resize(buffer_pos); | 132 decoded_data->resize(buffer_pos); |
| 136 | 133 |
| 137 return decoded_packet.Pass(); | 134 return decoded_packet.Pass(); |
| 138 } | 135 } |
| 139 | 136 |
| 140 } // namespace remoting | 137 } // namespace remoting |
| OLD | NEW |