blob: b9650c95a6dc6a148698d28fd81abb8feff2f9fe [file] [log] [blame]
/*
* Copyright (c) 2017 The WebRTC project authors. All Rights Reserved.
*
* Use of this source code is governed by a BSD-style license
* that can be found in the LICENSE file in the root of the source
* tree. An additional intellectual property rights grant can be found
* in the file PATENTS. All contributing project authors may
* be found in the AUTHORS file in the root of the source tree.
*/
#ifndef WEBRTC_API_AUDIO_CODECS_G711_AUDIO_DECODER_G711_H_
#define WEBRTC_API_AUDIO_CODECS_G711_AUDIO_DECODER_G711_H_
#include <memory>
#include <vector>
#include "webrtc/api/audio_codecs/audio_decoder.h"
#include "webrtc/api/audio_codecs/audio_format.h"
#include "webrtc/rtc_base/optional.h"
namespace webrtc {
// G711 decoder API for use as a template parameter to
// CreateAudioDecoderFactory<...>().
//
// NOTE: This struct is still under development and may change without notice.
struct AudioDecoderG711 {
struct Config {
enum class Type { kPcmU, kPcmA };
bool IsOk() const {
return (type == Type::kPcmU || type == Type::kPcmA) && num_channels >= 1;
}
Type type;
int num_channels;
};
static rtc::Optional<Config> SdpToConfig(const SdpAudioFormat& audio_format);
static void AppendSupportedDecoders(std::vector<AudioCodecSpec>* specs);
static std::unique_ptr<AudioDecoder> MakeAudioDecoder(const Config& config);
};
} // namespace webrtc
#endif // WEBRTC_API_AUDIO_CODECS_G711_AUDIO_DECODER_G711_H_