kwiberg | e985b90 | 2017-07-31 18:34:57 | [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 04:47:31 | [diff] [blame] | 11 | #ifndef API_AUDIO_CODECS_G711_AUDIO_DECODER_G711_H_ |
| 12 | #define API_AUDIO_CODECS_G711_AUDIO_DECODER_G711_H_ |
kwiberg | e985b90 | 2017-07-31 18:34:57 | [diff] [blame] | 13 | |
| 14 | #include <memory> |
| 15 | #include <vector> |
| 16 | |
Danil Chapovalov | 0bc58cf | 2018-06-21 11:32:56 | [diff] [blame] | 17 | #include "absl/types/optional.h" |
Karl Wiberg | 17668ec | 2018-03-01 14:13:27 | [diff] [blame] | 18 | #include "api/audio_codecs/audio_codec_pair_id.h" |
Mirko Bonadei | 92ea95e | 2017-09-15 04:47:31 | [diff] [blame] | 19 | #include "api/audio_codecs/audio_decoder.h" |
| 20 | #include "api/audio_codecs/audio_format.h" |
kwiberg | e985b90 | 2017-07-31 18:34:57 | [diff] [blame] | 21 | |
| 22 | namespace webrtc { |
| 23 | |
| 24 | // G711 decoder API for use as a template parameter to |
| 25 | // CreateAudioDecoderFactory<...>(). |
| 26 | // |
| 27 | // NOTE: This struct is still under development and may change without notice. |
| 28 | struct AudioDecoderG711 { |
| 29 | struct Config { |
| 30 | enum class Type { kPcmU, kPcmA }; |
| 31 | bool IsOk() const { |
| 32 | return (type == Type::kPcmU || type == Type::kPcmA) && num_channels >= 1; |
| 33 | } |
| 34 | Type type; |
| 35 | int num_channels; |
| 36 | }; |
Danil Chapovalov | 0bc58cf | 2018-06-21 11:32:56 | [diff] [blame] | 37 | static absl::optional<Config> SdpToConfig(const SdpAudioFormat& audio_format); |
kwiberg | e985b90 | 2017-07-31 18:34:57 | [diff] [blame] | 38 | static void AppendSupportedDecoders(std::vector<AudioCodecSpec>* specs); |
Karl Wiberg | 17668ec | 2018-03-01 14:13:27 | [diff] [blame] | 39 | static std::unique_ptr<AudioDecoder> MakeAudioDecoder( |
| 40 | const Config& config, |
Danil Chapovalov | 0bc58cf | 2018-06-21 11:32:56 | [diff] [blame] | 41 | absl::optional<AudioCodecPairId> codec_pair_id = absl::nullopt); |
kwiberg | e985b90 | 2017-07-31 18:34:57 | [diff] [blame] | 42 | }; |
| 43 | |
| 44 | } // namespace webrtc |
| 45 | |
Mirko Bonadei | 92ea95e | 2017-09-15 04:47:31 | [diff] [blame] | 46 | #endif // API_AUDIO_CODECS_G711_AUDIO_DECODER_G711_H_ |