84f6a3fc6b
We use Optional in our public API, so its header should be in webrtc/api/. BUG=webrtc:8205 Review-Url: https://codereview.webrtc.org/3011943002 Cr-Commit-Position: refs/heads/master@{#19693}
44 lines
1.4 KiB
C++
44 lines
1.4 KiB
C++
/*
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* Copyright (c) 2017 The WebRTC project authors. All Rights Reserved.
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*
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* Use of this source code is governed by a BSD-style license
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* that can be found in the LICENSE file in the root of the source
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* tree. An additional intellectual property rights grant can be found
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* in the file PATENTS. All contributing project authors may
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* be found in the AUTHORS file in the root of the source tree.
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*/
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#ifndef WEBRTC_API_AUDIO_CODECS_G711_AUDIO_DECODER_G711_H_
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#define WEBRTC_API_AUDIO_CODECS_G711_AUDIO_DECODER_G711_H_
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#include <memory>
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#include <vector>
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#include "webrtc/api/audio_codecs/audio_decoder.h"
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#include "webrtc/api/audio_codecs/audio_format.h"
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#include "webrtc/api/optional.h"
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namespace webrtc {
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// G711 decoder API for use as a template parameter to
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// CreateAudioDecoderFactory<...>().
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//
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// NOTE: This struct is still under development and may change without notice.
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struct AudioDecoderG711 {
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struct Config {
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enum class Type { kPcmU, kPcmA };
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bool IsOk() const {
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return (type == Type::kPcmU || type == Type::kPcmA) && num_channels >= 1;
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}
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Type type;
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int num_channels;
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};
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static rtc::Optional<Config> SdpToConfig(const SdpAudioFormat& audio_format);
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static void AppendSupportedDecoders(std::vector<AudioCodecSpec>* specs);
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static std::unique_ptr<AudioDecoder> MakeAudioDecoder(const Config& config);
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};
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} // namespace webrtc
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#endif // WEBRTC_API_AUDIO_CODECS_G711_AUDIO_DECODER_G711_H_
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