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kwibergb1ed7f02017-06-17 17:30:09 -07001/*
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 Bonadei92ea95e2017-09-15 06:47:31 +020011#ifndef API_AUDIO_CODECS_G722_AUDIO_DECODER_G722_H_
12#define API_AUDIO_CODECS_G722_AUDIO_DECODER_G722_H_
kwibergb1ed7f02017-06-17 17:30:09 -070013
14#include <memory>
15#include <vector>
16
Danil Chapovalov0bc58cf2018-06-21 13:32:56 +020017#include "absl/types/optional.h"
Karl Wiberg17668ec2018-03-01 15:13:27 +010018#include "api/audio_codecs/audio_codec_pair_id.h"
Mirko Bonadei92ea95e2017-09-15 06:47:31 +020019#include "api/audio_codecs/audio_decoder.h"
20#include "api/audio_codecs/audio_format.h"
Jonas Orelande62c2f22022-03-29 11:04:48 +020021#include "api/field_trials_view.h"
Mirko Bonadei3b56ee72018-10-15 17:15:12 +020022#include "rtc_base/system/rtc_export.h"
kwibergb1ed7f02017-06-17 17:30:09 -070023
24namespace webrtc {
25
26// G722 decoder API for use as a template parameter to
27// CreateAudioDecoderFactory<...>().
Mirko Bonadei3b56ee72018-10-15 17:15:12 +020028struct RTC_EXPORT AudioDecoderG722 {
kwiberg1b97e262017-06-26 04:19:43 -070029 struct Config {
30 bool IsOk() const { return num_channels == 1 || num_channels == 2; }
31 int num_channels;
32 };
Danil Chapovalov0bc58cf2018-06-21 13:32:56 +020033 static absl::optional<Config> SdpToConfig(const SdpAudioFormat& audio_format);
kwibergb1ed7f02017-06-17 17:30:09 -070034 static void AppendSupportedDecoders(std::vector<AudioCodecSpec>* specs);
Karl Wiberg17668ec2018-03-01 15:13:27 +010035 static std::unique_ptr<AudioDecoder> MakeAudioDecoder(
36 Config config,
Jonas Oreland6e2b9e22022-03-15 14:29:00 +010037 absl::optional<AudioCodecPairId> codec_pair_id = absl::nullopt,
Jonas Orelande62c2f22022-03-29 11:04:48 +020038 const FieldTrialsView* field_trials = nullptr);
kwibergb1ed7f02017-06-17 17:30:09 -070039};
40
41} // namespace webrtc
42
Mirko Bonadei92ea95e2017-09-15 06:47:31 +020043#endif // API_AUDIO_CODECS_G722_AUDIO_DECODER_G722_H_