kwiberg | b1ed7f0 | 2017-06-17 17:30:09 -0700 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (c) 2017 The WebRTC project authors. All Rights Reserved. |
| 3 | * |
| 4 | * Use of this source code is governed by a BSD-style license |
| 5 | * that can be found in the LICENSE file in the root of the source |
| 6 | * tree. An additional intellectual property rights grant can be found |
| 7 | * in the file PATENTS. All contributing project authors may |
| 8 | * be found in the AUTHORS file in the root of the source tree. |
| 9 | */ |
| 10 | |
Mirko Bonadei | 92ea95e | 2017-09-15 06:47:31 +0200 | [diff] [blame] | 11 | #include "api/audio_codecs/g722/audio_decoder_g722.h" |
kwiberg | b1ed7f0 | 2017-06-17 17:30:09 -0700 | [diff] [blame] | 12 | |
| 13 | #include <memory> |
| 14 | #include <vector> |
| 15 | |
Karl Wiberg | 918f50c | 2018-07-05 11:40:33 +0200 | [diff] [blame] | 16 | #include "absl/memory/memory.h" |
Niels Möller | 2edab4c | 2018-10-22 09:48:08 +0200 | [diff] [blame^] | 17 | #include "absl/strings/match.h" |
Mirko Bonadei | 92ea95e | 2017-09-15 06:47:31 +0200 | [diff] [blame] | 18 | #include "modules/audio_coding/codecs/g722/audio_decoder_g722.h" |
Karl Wiberg | e40468b | 2017-11-22 10:42:26 +0100 | [diff] [blame] | 19 | #include "rtc_base/numerics/safe_conversions.h" |
kwiberg | b1ed7f0 | 2017-06-17 17:30:09 -0700 | [diff] [blame] | 20 | |
| 21 | namespace webrtc { |
| 22 | |
Danil Chapovalov | 0bc58cf | 2018-06-21 13:32:56 +0200 | [diff] [blame] | 23 | absl::optional<AudioDecoderG722::Config> AudioDecoderG722::SdpToConfig( |
kwiberg | b1ed7f0 | 2017-06-17 17:30:09 -0700 | [diff] [blame] | 24 | const SdpAudioFormat& format) { |
Niels Möller | 2edab4c | 2018-10-22 09:48:08 +0200 | [diff] [blame^] | 25 | return absl::EqualsIgnoreCase(format.name, "G722") && |
kwiberg | 1b97e26 | 2017-06-26 04:19:43 -0700 | [diff] [blame] | 26 | format.clockrate_hz == 8000 && |
| 27 | (format.num_channels == 1 || format.num_channels == 2) |
Danil Chapovalov | 0bc58cf | 2018-06-21 13:32:56 +0200 | [diff] [blame] | 28 | ? absl::optional<Config>( |
kwiberg | 1b97e26 | 2017-06-26 04:19:43 -0700 | [diff] [blame] | 29 | Config{rtc::dchecked_cast<int>(format.num_channels)}) |
Danil Chapovalov | 0bc58cf | 2018-06-21 13:32:56 +0200 | [diff] [blame] | 30 | : absl::nullopt; |
kwiberg | b1ed7f0 | 2017-06-17 17:30:09 -0700 | [diff] [blame] | 31 | } |
| 32 | |
| 33 | void AudioDecoderG722::AppendSupportedDecoders( |
| 34 | std::vector<AudioCodecSpec>* specs) { |
kwiberg | e5eb724 | 2017-08-25 03:10:50 -0700 | [diff] [blame] | 35 | specs->push_back({{"G722", 8000, 1}, {16000, 1, 64000}}); |
kwiberg | b1ed7f0 | 2017-06-17 17:30:09 -0700 | [diff] [blame] | 36 | } |
| 37 | |
| 38 | std::unique_ptr<AudioDecoder> AudioDecoderG722::MakeAudioDecoder( |
Karl Wiberg | 17668ec | 2018-03-01 15:13:27 +0100 | [diff] [blame] | 39 | Config config, |
Danil Chapovalov | 0bc58cf | 2018-06-21 13:32:56 +0200 | [diff] [blame] | 40 | absl::optional<AudioCodecPairId> /*codec_pair_id*/) { |
kwiberg | 1b97e26 | 2017-06-26 04:19:43 -0700 | [diff] [blame] | 41 | switch (config.num_channels) { |
| 42 | case 1: |
Karl Wiberg | 918f50c | 2018-07-05 11:40:33 +0200 | [diff] [blame] | 43 | return absl::make_unique<AudioDecoderG722Impl>(); |
kwiberg | 1b97e26 | 2017-06-26 04:19:43 -0700 | [diff] [blame] | 44 | case 2: |
Karl Wiberg | 918f50c | 2018-07-05 11:40:33 +0200 | [diff] [blame] | 45 | return absl::make_unique<AudioDecoderG722StereoImpl>(); |
kwiberg | 1b97e26 | 2017-06-26 04:19:43 -0700 | [diff] [blame] | 46 | default: |
| 47 | return nullptr; |
| 48 | } |
kwiberg | b1ed7f0 | 2017-06-17 17:30:09 -0700 | [diff] [blame] | 49 | } |
| 50 | |
| 51 | } // namespace webrtc |